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Service Manual
CD-ROM WRITER
DW-S114X
WY) PIONEER’ The Art of Entertainment
@ PIONEER co-row wniten Ow.51100
° "o "0 “o” ORDER NO.
RRV1362
THIS MANUAL — APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
This service manual Is intended for qualified service technicians; it is not meant for the casual
do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repalr complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician.
WARNING
Lead in solder used in this product Is listed by the California Health and Welfare agency as a known reproductive toxicant which
may cause birth defects or other reproductive harm (California Health & Safety Code, Section 25249.5).
When servicing or handling circuit boards and other components which contain lead in solder, avoid unprotected skin contact with
the solder. Also, when soldering do not inhale any smoke or fumes produced.
NOTICE
(FOR CANADIAN MODEL ONLY)
Fuse symbols -HE—# (fast operating fuse) and/or -§E—8 (slow operating fuse) on PCB indicate that replacement parts
must be of identical designation.
REMARQUE
(POUR MODELE CANADIEN SEULEMENT)
Les symboles de fusible -BE—H (fusible de type rapide) et/ou -§&—# (fusible de type lent) sur CCI indiquent que Jes
piéces de remplacement doivent avoir la méme désignation.
(FOR USA MODEL ONLY)
1.SAFETY PRECAUTIONS
The following check should be performed for the
continued protection of the customer and service
technician.
LEAKAGE CURRENT CHECK
Measure leakage current to a known earth ground
(water pipe, conduit, etc.) by connecting a leakage
current tester such as Simpson Model 229-2 or
metal parts of the appliance (input/output terminals,
screwheads, metal overlays, control shaft, etc.). Plug
the AC line cord of the appliance directly into a 120V
AC 60Hz outlet and turn the AC power switch on. Any
current measured must not exceed 0.5mA.
Reading should
Leakage | "Ot be above
0.5mA
Test all
exposed metal
surfaces
Also test with
plug reversed
(Using AC adapter plug as required)
Earth
ground
AC Leakage Test
equivalent between the earth ground and ail exposed |
ANY MEASUREMENTS NOT WITHIN THE LIMITS
OUTLINED ABOVE ARE INDICATIVE OF A PO- TENTIAL SHOCK HAZARD AND MUST BE COR-
RECTED BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER.
2.PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in the appli-
ance have special safety related characteristics. These
are often not evident from visual inspection nor the
protection afforded by them necessarily can be ob-
tained by using replacement components rated for vol-
tage, wattage, etc. Replacement parts which have
these special safety characteristics are identified in
this Service Manual.
Electrical components having such features are
identified by marking with a A on the schematics and
on the parts list in this Service Manual.
The use of a substitute replacement component which
dose not have the same safety characteristics as the
PIONEER recommended replacement one, shown in
the parts list in this Service Manual, may create shock,
fire, or other hazards.
Product Safety is continuously under review and
new instructions are issued from time to time. For
the latest information, always consult the current
PIONEER Service Manual. A subscription to, or ad-
ditional copies of, PIONEER Service Manual may be obtained at a nominal charge from PIONEER.
DW - S114X
(FOR EUROPEAN MODEL ONLY)
VARO! WARNING!
AVATTAESSA JA SUQJALUKITUS DEVICE INCLUDES LASER DIODE WHICH
NAKYMATTOMALLE LASERSATEILYLLE. WHICH IS DANGEROUS TO EYES. THERE |S
ALA KATSO SATEESEEN. A WARNING SIGN ACCORDING TO PICTURE
LASER 1 INSIDE THE DEVICE CLOSE TO THE LASER LASER
Kuva 1 DIODE. Picture 1 Lasersateilyn Warning sign for
ADVERSEL: USYNLIG LASERSTRALING VED ABNING
NAR SIKKERHEOSAFBRYDERE ER UDE AF IMPORTANT ————_
FUNKTION UNDGA UDSAETTELSE FOR THIS PIONEER APPARATUS CONTAINS
STRALING. LASER OF CLASS 1. SERVICING OPERATION OF THE APPARATUS SHOULD BE DONE BY A SPECIALLY INSTRUCTED PERSON.
varoitusmerkki laser radiation
VARNING!
OSYNLIG LASERSTRALNING NAR DENNA
DEL AR OPPNAD OCH SPARREN
AR URKOPPLAD. BETRAKTA EJ STRALEN. LASER DIODE CHARACTERISTICS ——
MAXIMUM OUTPUT POWER: 5 mw |
WAVELENGTH: 780-785 nm
LABEL CHECK
EX HS Tt CAUTION INVISIBLE LASER CLASS 1 LASER PRODUCT
ace yr 0 N on RADIATION WHEN OPEN, LASER KLASSE 1 AVOID EXPOSURE TO BEAM
YRWI1O5-A PRW1018 ORW1129
__ ADVARSEL USYNLIG LASERSTRALING VED ABMING NAR SIKKERHED SAF- BAYDERE ER UDE AF FUNKTION. UNOGA UOSATTELSE FOR STRALING.
VORSICHT! UNSICHTBARE LASER-STRAHLUNG TRITT AUS, WENN DECKEL {ODER KLAPPE) GEOFFNET (ST! NICHT OEM STRAHL ALISSE TZENt
VRWT094
Additional Laser Caution
1. Laser Interlock Mechanism
The ON/OFF status of the clamp switch ($1005) for
detecting loading completion is detected by the system
microprocessor, and the design prevents laser diode
oscillation when the clamp switch is OFF.
Thus, the interlock will no longer function if the clamp
switch (S1005) is deliberately shorted.
The interlock also does not function in the test mode *1.
Laser diode oscillation will continue, if between collector
and emitter of Q102 and Q110 mounted on the HAMP
UNIT is connected to GND, shorted to each other ( fault
condition ).
If the fault condition described in 1 is induced with the
cover removed and the objective lens extending past the
outer circumference of the disc clamper diameter, close
viewing of the objective lens with the naked eye will
cause exposure to a Class 1 or higher laser beam.
‘VARO!
Avattaessa ja suojalukitus ohitetta- essa olet slttiina ndkymattonalle lasersateilylle, Al& katso séteescen.
VARNING!
Osynlig laserstrd4lning nér denna del ar Oppnad och sparren ar urkopplad. Betraxta ej strdlen. vRw297-4
* 1: Refer to page 42.
DW - S114X
2. EXPLODED VIEWS, PACKING AND PARTS LIST NOTES:
@ Parts marked by “NSP” are generally unavailable because they are not in our Master Spare Parts List.
@ The A\ mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.
4 1k GNDA Bonnie @102~Q106, Q110 -2SA1461 x *K COEFFICIENT 8129, R130) @Vars R120 R121 1 1256129" C132 R129 R130 R1 R N —_
B C283 10p eon Ostes 82 82 82 B82 10076R3 ; 01 100 100 Seg REN LOPS —+@V05v
3 pt ; 48) KSPL ae @ js VA-5 GNDA ( 3 GNDD
tole ao Se = e aan ee vVO5SVv 4 A- VAtS GNDA C134" @ 2
1C119 (2/2): 7 C135 10/16 eee REC 1NH FRONT MONITOR 1-V : _ ar oer age pene eee
Meena, Sexe CONVERSION AMP eee x a ca 3 lene
Pe eee ee ere Sees) vep 91 5 221 R204 C131R124 ™ Tex KRS SUB UNIT
BICKUP 4 IC119(1/2) : SR LSIR EG aS & o°01 180 oorreo} | 2501462 iw: ees —— 4 |. ow (2/2)
SUB BEAM I-V g I * REC INH CN113 | ASSY CONVERSION AMP 5 ea Ui ae ce a @108 i Ch em jOE2-F2 (SCH — 4) ' (DXX2241) ee x | at Te [2sarac2 me F —= l@ler_F1
BY 9 ae. TC7S0BF
Sh ee : = Dre bad begs| [|v — t
Aes R218 10K GioF + BK > aK GNDO ioe $49 HE
=e 2SA1462 GNDA — ae -4Q)RE —
\ VA+5, = =~ H3]- D
\ = 1) |- 1 rk, as ob Mb mk wih x C2001 c
al as 2g" 2.0" —— 10} 8 \ v8 8 xy a} a 4 :
R138 é z A 9
| 2 EN 1 a R205 C150 R125 { =i L J SENS
| ee | ot ON 210. eae 33 3.6K 7, ISENSY (GNDA)
———— x FDR 1 390 LASER DIODE DRIVE 6 coi 5 2) Roe Facets: as ves os OT Hy FRT
1¢2001 (4172) 162001 (272) oe Aste @lror
C a ke XRA4SS60F - Ber! ——@)ra1 C
i SS SS : | 8 = ae 8 i 7 . —£1:F1 @Jspr
web aterm - ——Q]srt
Pj Soe a oe f = ae LDPW _ iS Eoe. See ae Coe Tees Ba enes eee - 4 = XSPL
: a SE | 1c20___ - - + we ene -~ ~ ----%LDON i at Pre es TC7S 32F
VA+S
IC113: EFM \ REC. POWER BUFFER AMP VA45 0.5 uS/div 0.2V/ div
7 a 7 —_LVRM "At the REC POWER ON
\ ane i: as C216
— i Ro Rea ckvocot
i “—] vR104 % G 2K casel ci - - "Wve
\ eNO ce aw ‘Fg0. 01F 10716 a a
Hl — ry GNOA \ E0141 O PB. Pw 1800P >
‘F001 R90 Wess cs oS ae eames Be es elt A a fel 6, 2 7K VRS GNDA
GNDAY, nea os me Ca 1 NDA o vals, IC19: PB POWER AMP
VA-3
HAMP UNIT, HAMP. UNIT,
SCH-2 PICKUP ASSY PICKUP ASSY SCH-2
20
| ; | ; | ; | ° | ; [
21
DWw-s114x | | 2 | 3 | , | ‘ | .
, 10628 — pin 1 GQ) HF SmS/dw —0.1V/ div 20uS/dw —O.2V/ div @) ret
SER m of —— SPINDLE ORIVE — *°7? 3g = SCH - ! oP <f = (=> SCH ~ 4) 4 LEVEL SHIFT ea ce 5 ee : 10626 (272) am ae <r Pea a 1C625 (2/2) : ICB10 : WBL FILTER NUM2904M
|e 56 [eeea2} 8 coe MOL AND SPINDLE. STOP Sw pTCT24ek Xp IC707 (2/4) > JYO5V e706 373) et GNDAy _ sib GENERATION R725 ROT V10A TCTAHCOBAF ian : cere SroR> 8. 2k: age (c625k272) (= SCH - 4) y ¥ -bce09 Terancaorsar Sore es 10622 9 08 eo ey ® Q631 2x iF ; 7 NUM311M Te, 7 GNOA GNOA Shy ih GNDA OTC124EK i
Se 1C623 Wes Poe an 9 GNDD —— GND ae TO asa) NJV3 11M ¥ ae 4 7 v 1626 (172) V10A (SCH — 4) : (C623 - co79* 1c624 (272) R745%, “(= SCH — 4) sPocn
- Sager “RF il ae ot a lee (Weer R930 C702 : 1707 (1/4), ‘ BAL Polo ciaiai — 1S we32 STRATEGY — IC706.(1/3- 3/3) : (for OPC)” GNDA ‘NON CONNECTION (SCH — 4) | OTe 248K C EVERY MDC EVER : C fo, 7 ~~ 7 7 (= SCH — 4) ia MIX E YY é ~
Breen, ee ___ 10622: RF_TOP HOLD (for OPC) 7 - AF ag \ pat
CAUTION FOR CONTINUEO PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO ICP-N20. MFD BY ROHM CO. LTO. FOR 1€1202
CAUTION
CNTB UNIT, TOC BOARD ASSY,
FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO ICP-N15. MFO BY ROHM CO. LTO. FOR 1C1203.
SUB UNIT (2/2),
FG BOARD ASSY
v-10 | MAIN UNIT (1/2) CN651 (=6SCH - 5)
TE 4 {(B+C)- (A+0) } — (SU81-SUB2)
MAIN UNIT
(= SCH - 5)
POWER ASSY
27 r
[SCH 5 |
SIGNAL ROUTE me > EFM SIGNAL LINE
D 3 4 5 6 7 8
DW - S114X
3.5 MAIN (1/2) AND LDSB UNITS PLLON 0.1mS/div 50mV/ div + At the X1 PLAY
50nVp-p
Bs 2 MAIN UNIT (1/2) (DWX1614) ¢ pal 6)
ve 2 a R1230 £1001 vD+S Ops" 100. OTHII72 v04S IC SOCKET GGC1079
¥¥ ue RF FP «x7 x 7 C7} a a (C160 0444 230) C76t ea caae ? —SHF-1AA F GNDD x602 - = A B7P-SHF~1 3706p SF 0 01 45 1584Mitr i a) co34
cNeO1 SERVO CONTROL IC pendkn), R613 -_RG14 10K _ lypck 0 01 53229-0200 (re2ory VA-5 TRKIN eats WAR - ¢—4nA aoe : se, -- typ
iu
as F on Qn gees Ol == oe ee dle DSS106D , CN6Q2 - = aie = - or x602 ceéo. raf GNDD bet + vo+s 1 +o 0 Ot ag IC606. SRAM
bf al» GNOD L603 DTL1012 boy 4 S12 L dro uy | 4 Re val > F103 x Fe 2) ge ban C617 Sart, A, a = Ee Cietre x| x} xq X| xt <] ql qaqgaagoa 220 sop /®
HE 2 mp] 888 4 eee hes at eziies wt! 14 19 vt, KV1420 C627 a RRRRK o> 0 " = T XOUT sf
EE dlls) FTE sNoo D611 47/6R3 fo £ prrrikit eertich - BEY cose (276) >, m -« O a -
GNDA ole 2.2K GNDD = zx oO Oe oer eee Ob oh OOOO ee ONZY GND}y Bz TC 74 AC O4F py bas lon hen be ba bao | vu VO e Be ST SS OO OSS g¥o D a | URCKB ui @ P R615 = _ EFMIN X fol paps nah dandnn naar anna arg? ALRKIN >be e COOhE Dr >> b>
EER Oe Be le, 4770R 1 er —— TRRge EFMASY ut Sa $38 xo X LRCK BE Aven RB5S 220 A Pe b o wv) i
St DCON S ameveqe --—- 100k REALWR 2 weKk Bary $b Rok 10606 D TRKEON 3300P va ® aan 4 0,033 6 - vr 0.01 EFMOUT C2FckR Cobte aH LH51 16NA- 10 >
GNDA GNDA 33 FOKYS ° cbt | a. oe EFMRISE BCK hy a 5 “C852 1C605 z FCSCON 1C601 Fa ; vi mi EFM3T BCKF NDI 4 7p DYW1432 -
SUB UNIT (BD-AC) EFM oe 3 EFMaT DCKIN 100 Cr GNOD VODDOUAYrES
Rios mere R634] CRE eT eS Sy ci ip anid A DE FMOUT C2F pe we ae Nm gm m VA+ DFCT T T = ara:
(= SCH - 4) | cormir | [ c@06" {SERVO CONTROL) RG33 200KR620 ies z ener ae ee EMO a eT
XRFDT OGND |B a * VAtS EVFEN . DINOE. —. QIND 4 “ J~) 6 lle
CDMIR - 8 i TESTO 1C602 oREQg, ———_—_DREG p> AD eres ° 6 a TESTI DAOUT f 4<-Q9 Ox XRA4S60F 774 rf (= SCH- 6)
OSreeh aa 8 ro 1C611 (172) ud @- “8 A TEST2 PDSOO4B DAIN&—— a F a fs EFM3 PAGE TBR GL: WL: Papa) P20 FSC ae NS Soe Y3 Ra24 oes al EPDO DPDO SO aN wy OG o Nr rs OTE STMO DHAL F fy A 7 = 1S
Bee ofp c743|T 3% 375] ela B i p< 0 eat al TESTM1 DVCQOUT ai, ees a ae
» REE P ° » 0 01 on Cal means ic602 Bucetdl ros Fane GNOD p 5 ® "We 8 ey TESTM2 EFM ENCODER, DECODER, js amas Pe - ae _ SESHS SS! IC605 : nese EFMO u a: Paes SPINDLE SERVO AND ATIP DECODER ae x = PROGRAM ROM 3
— lo TESTRO 2 N D+5 is bie ee Se eb OS XSMPL aa - GNDAJ we k, A be Ll teste B&B kn | $
(from HEAD) U golo n Ps MON | SI Mon F 1005 e I* soKa xB Ww beh Ta [20 fm Po Fo 24] 4 vo | YF = bok OTF 1069 u iad oO 1D JE |D[O|H 1H] OH XLDON R7B3 Ver Sg VA-5 - ee x bk3Z9z2 vuzzZz tx pbb pbbbp OLS IFS lola
10K + On mop ae oO 2255289 F1002 eas Ce b& Bd | puna ei 10076R3 D z >ZO- aoa>> > wxn= oO DTH1122 > Rw Dp pljpp
VAtIO° Ce12°% a) Lzraryess--—HnHnanndQgooreu G rg XO 10709 (172) 1 GAA Eee SOLE OSs bb or aKa ‘ IGNOA GNDA XRA4S5S60F 3 rena ae-a ae ae anaes vu unnwn voanananna Ce31 AD
RQ Ss e s 25 Bg Se: so BRS SSPE RERE EEREBER ci dl ere NP VPp @) on ene) i> [> D 1€709 (2/72) Q603 oof N ri | ae + |» ko 0 bh iN 2
>| xRA45S60F OTAt 24EK Va aS
1eees tree) a es =] 4 (C634 GNOD GNDD GNDA o ae es A 1€611 (272) TC7S32F es - +. Sa-e .,. i
TAOL af XRA4560F Gnpp !C609 Pp ee +5. - MIRROR SIGNAL .
VAIS 2 z oe XQ PBPLL = SWITCH i 7 fe PLLCN XX RECPLL HC =) Ine | bb jo Fl bade be baste ie
} nyo = <a|z g iG REET a 4 - Bee - JWRREQ DI ¢ x ‘I -.-22 7
ela aoa : ee : ~ 10615 {rorco & Roe On pve See EFM. SPINDLE if g pps 4 |
4 4 5) j-4.— — ea | la 0.015 CONTROL AMP I _ 82 in pe |“ Tocs | 4 B47 5) (41 62 ce45* a Ok a 7 " DF 5 RET -3 com (091 4776R3 & fo 3 N Fi p2F 1H
dl aoieetase aay 4 J | PLLCN 10615 (172) ra IC603 3 mt C GNDA a RECPLL XRA4560F PEO EFMEN - a
RFB 5 46 0) (3 0) 3 fle ° 2 . 3, GGC1 O77 Ih _ po (NH TEGO} BTGO i AD | PBPLL ny Pat 7 (1P204)
LOPWB fas my Pe2 = CN701 VEE tee1 [12 OTG1 i : 8) ons (UPD78355GC TEA) N [S2084~0510 CDOWN GND TEG2}2_ BF = o syhar— -10K Pea XRFOT
RST ‘ ob Ni 1C615 (272) ea Sates ¥ & A456 0F + : a : ge SENS SIGNAL PLL — ae oo \ oo 604 2x aan Kd isan pred GNDA «| SW sw or 289 TC124EK PBE IC603 exes + | GNDA 2a 3 pee & MECHA. CONTROL 4 su Pa7 :
SUB UNIT] 8CODEB pe acoreeeria 1€613(172)| “GNOA ro cNpa AVSS MICROCOMPUTER (2/2) EDR GNDA XRFDT =<
wet |(Oy °~ —_ : Ze H avop CN107 -—-———-- — | ms 7 .st N
(SCH-4)] Fa |@HES-- 8 oy TE! TRACKING AUTO Ossi TRACK! bee 10216838
eee GAIN CONTROL —— ae een ee eo a ee eS _ 0852021 GFP won 163) Be VVVUMMMZZVVVVVVVVY CH. op eOr
a) ~~ A NBDNAOOWWWVUWBKWWHD ae, oo - _-- REEBEUERPE PEPE RED C639 32MH7
vas It - - U : cH GNDA oe Sees ER a 1o6
GNOA Sy, ws (= SCH - 6) cnoo
vats |p — faa wx
EFMI EFMI * DB os R819 | r ana GNOD C732 ie or "" R309 ve cove GNDD er 47076R3 aie e Po BE 10 ae = D 100K x2 16613 (272 D
vors |r — Lc7em YO*° Seaancor DTA124€K | ; rr oO eats ee D7 GNOD | Te 01 mre C733 % RB7S r¢ ‘ a xMTL EO 1000/6R3p-—JvF 7 Win Hs ie pT sw s +
on ZN ae : SP aca =f a cea? ’ beka wee 4 . D O_ Vv + a) D aye ¢ ee ge | 388
R764 4.7K VAtS (C637 (1/2), C614: nvr, iS ene oe - a PLL PHASE DIFFERENCE i ees "4
INPUT LPF 10613 (2/2) : e627} x i is TRACKING XRA4560F R733 R732 VA-5S a m LOW PASS. BOOST 120K 4 oe GNDA va-ay “— Te 77ORS
R742 aed R644 10K EPDD R731 2 2750 +4 cpp! oo). 284 ARS ee a as eee C692"
on 2 t XRA4560F mtg O WOBBLE SPINDLE 0605 ‘ 40 XRA4560F o . R730 4 Ql__} 1€614 (172) of'’ TRKER | : R824 1C621 (272) = [C637 (172) ak u 1mS/div SOmV/div SERVO GAIN SW. ‘o4 E04, as6 NRAASEGE 4M | pe
4 VA45 "At the X1 PLAY (Tracking cae F - 8
———-— _ GNDA 200Vp-p By feted
‘ 3% Ds cB17 R761 q las; | T +—_— ry 3 R676 {C621 : POCE 5 pz vel My ea eee __D EPOU TRACKING ERROR _| 2) poe? 1C604 z —0 O70) : 1 "On LEVEL DET | reste D1
CLAMPER rhic1213 7 ney on a ' sw nit o1 Pa cuP rn 4% 0722 = Ye"
ou =. YE R1201]| R1202 rv oo At ol ‘ aes s 10K i 10K _ oT ava” 10632. 10633, 1C635 . _ Oo H LDOSB UNIT 0.01 CN611 R1203 Cee ‘ : ire ends a WBL SPINDLE CONTROL AMP
F782 ass 1g . St hte we fod 2 ro B ESOID! as Z 3 ene Wee) orn ote 2) GOO) 1001 +0C OUT z % glo 4 B
-&. & & ! A R70K ttle . ee re Slo fa) IC1017 f° 3 > - Ss : Ps fo Ol] g” 1C18176 SO) = 6 °
ssao osoldl le ne re 8 jo} 88 7 3 = gn 8 HEV! PSOrai s1atdl g./ Sea. giao O «eas 2 AR @0%91 1C604 11002 = : p0aO 10aV eOOdrdl GE Orie 'e = dy er h __ 8s ‘ eu Dies = Qio2 o oa ‘ 3 3 LL —
11001 oo ees Wee & ‘ “ BES DI 3° PP ek | Fxo) cera gig, i a 0 Zi Lo sph QW Be Le 5.6 8 & 2 ; fay cae 7 | RPPBS aiier 2 O70 cioz4
' 8 a alee fre as so Op — z * 3 ° oR‘ a8 SAL og 2 iS ° a
A oN oh cin os ie 204. Cb F021 Sen Geeeee ti. | oe
Ke ef DIr1069 GNDD rd o20 me KS
<N1025 i vues GNDD } Sas
RDRFO | CNI204 81002 +ov | GADD
POWER
|
By HOG1030 | 41227 4K P . TEST?
3 GND ae a S78-PH KS f
| mipie F970 : | MAIN UNIT (2/72), tot ae OTF1068 ; E88 UNT, | LEDB UNIT, SCH-6 enon ohoo EJSB UNIT
1 ACK FRROR D1 208" __ ORANGE
Q1102. one | | REMOTE CONTROL INTERFACE 4, | | Be fact
2 - - @ en br 204 RANGE MRE SET
WRITL p1203 SREEN GND
pi202 SCH-6 B 3B PE fo (Jonttn
REEN | WHEL
1O@OSOOOOO
ee. | +
a fat
1 |
34 1 | 2 | 3 | 4 j 5 | 6
DW-S114X | | 2 | 3 | 4 | 5 | eS
3.7 POWER ASSY
A [scH- 7] -7
POWER ASSY (DWR1133) ® NOTE FOR FUSE REPLACEMENT CAUTION : FOR CONTINUED PROTECTION AGAINST CAUTION — FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, RISK _OF FIRE. REPLACE ONLY WITH
SAME TYPE NO. ICP-N25, MFD BY ROHM REPLACE ONLY WITH SAME TYPE AND RATINGS ONLY. CO., LTD, FOR 1C201.
AF 102 2:54 /250V
NEUTRAL Foot wt
|
CN104 5 ie)
Qi t
N N
= z Oo
k z Pe)
— 3P INLET (=*SCH - 1) > =
| A102
1.8/5W
Q103
10201 DIC1001 IC202, C203 DIC1002
Qi DTRI1001 01 Q102,Q103 DTR1002
CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO. ICP-N38, MFD BY ROHM
ee ea ee eee an (eee CO., LTD, FOR IC202 AND IC203.
RESISTORS: 1/6W UNLESS OTHERWISE NOTEO
ELECT. CAPACITORS a >: SOV UNLESS OTHERWISE NOTED
OTHER CAPAC! TORS = :100V UNLESS OTHERWISE NOTED
[ scH-7 ]°"" ASSY | POWER ““T SCH-7 |
35
4. PCB PARTS LIST NOTES: @ Parts marked by “NSP” are generally unavailable because they are not in our Master Spare Parts List.
DW -S114X
@ The A, mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing,
be sure to use parts of identical designation.
@ Parts marked by“ @® ” are not always kept in stock. Their delivery time may be longer than usual or they may be unavailable.
@ When ordering resistors, first convert resistance values into code form as shown in the following examples.
Ex.1 When there are 2 effective digits(any digit apart from 0), such as 560 ohm and 47k ohm(tolerance is shown by J=5%, and K= 10%). 560 CQ > 56 X [Oo em SO] ccecececeeeeeeeeeeeeeeeeeeeeseeeseesesenseseseeees RDU8PMB\6I J
ATK > ATX [Ol HAT Brcrecrcscnseneenseceeseeeeeseaeeaseaeseeeeseeeees RDI/4PS[4\(7I[B]
0.5 Q — ORS PPUTERUSETTOOSEETTIOSE TET OCET EE eeee re eeeeeereeeeer reece errr e tert tts RN2H [O][R][5]K
Ex.2 When there are 3 effective digits(such as in high precision metal film resistors). S.62K QD —> 562 X% 10" > SOD] ccrcsececsecsncecsceeenessreeeeeveeeeees RN1/4PC[5|6l [210] F
Mark No. Description Part No. Mark_ No. Description Part No.
LIST OF ASSEMBLIES 1C609, 1C636, 1C712 TCT4HC4053AF 1C1021 TCT7SOOF
NSP MOTH UNIT DWM1503 1C1016 TCTSO4F MAIN UNIT DWX1614 1C1014, 1C1022, 1C1026 TCTSO8F SUB UNIT DWX1615 1€1013, 1C1024, 1C634 TC7S32F HAMP UNIT D¥X1616 EJSB UNIT D¥X1617 1€1020, 1€1023 TC7SH32F CNTB UNIT DWX1618 1C1102 TC7WT4F LDSB UNIT D¥X1619 1C1006 TC7W7 4FU LEDB UNIT DWX1620 1C1001 (uPD70325GJ-10-5BG) GGC1062
1C603 (UPD78355GC-7EA) GGC1077 A POWER ASSY D¥R1133
Importance : When perfoming the adjustment, be sure to
turn the power on after set to DIP SW
(S1001), SW8, and SW1 to SW3. At this
time, operation can not performed from the
Host.
Description key operation
STOP
All servo OFF
Laser diode (LD) ON Focus ON
Spindle ON/tracking OFF Tracking ON
MAX power ON entry MAX power ON
Spindle rotation frequency : Normal speed
Spindle rotation frequency : Twofold speed
Spindle rotation frequency : Fourfold speed
Read out area Recording Read in (TOC) area Recording TOC read
Power calibration REC pause
REC start
PMA record
Calibration power ON
Tray open
Tray close
1Track jump : FWD
ITrack jump : RWD
10Track jump : FWD
tOTrack jump : RWD
96Track jump : FWD
96Track jump : RWD
TIME search
Track number search
*When replacing the disc, perform the TOC read. (However, does not perform the TOC read in the adjustment.) «Perform the power calibration before first recording after the disc is replaced. «Perform the PMA record after the recording.
«Perform the STOP when changing the spindle rotation frequency. Perform the power calibration before first recording after the spindle rotation frequency is changed.
«When finalizing the disc, be sure to perform the read out area recording and the read in area recording in
order.
42
DW - S114X
5.3 Adjustments
1. VCO Free-run Frequency Adjustment
@ Objective To optimize the VCO free-run frequency.
@ Symptom when out of | No play. adjustment
@Measurementinstru- | Connect the frequency counter | @Player state Stop ment connections and TP202 (CN609), pin 3 (just the power switch ON)
(EPLCK) @ Adjustment location | L603 (VCO. ADJ)
[Settings] @ Disc None needed
[Procedure]
1. Adjust L603 so that the VCO oscillation frequency at TP202 (CN609), pin 3 (EPLCK) is 4.322MHz + 0.00.2MHz.
2. Slider Speed Control Offset Adjustment
@ Objective To optimize the DC offset voltage of the slider speed control amp.
@ Symptom when out of | Player does not playback (slider moves at stop).
adjustment
@ Measurement instru- | Connect the oscilloscope to @ Player state ment connections TP1(CN103), Pin 7
(SLDDRY). GND : TP! (CN103), Pin 5
(AGND) {This connection may be via a
low-pass filter (39k Q
+1000pF)}
@ Adjustment location | VR101 (SLD. OFS)
[Settings] 5 mV/division None needed
5 ms/division
DC mode
[Procedure]
1. Move the pickup to midway across the disc.
2. If the pickup continues moving even when you try to stop it, coarse adjust VR1O1 (SLD.OFS) to stop it.
3. Adjust VRIO1 (SLD.OFS) so that the DC voltage at TP] (CN103), pin 7 (SLDDRV) is 0 + 10 mV.
4. Check that pickup movement is stopped.
43
DW - S114X
3. Playback Power Adjustment
@ Objective To optimize the playback power of the laser diode.
@ Symptom when out of | Play does not start, track search is impossible, track are skipped. adjustment
@ Measurement instru- | Shine the light dischrged from | @ Player state Laser diode (LD) ON ment connections the objective lens on the light
power meter sensor. ; @ Adjustment location | VRS (PB. PW)
[Settings]
Wavelength 790nm @ Disc None needed Average mode
[Procedure]
1, Open the disc tray.
2. Short-circuit the pins 1 and 2 of TP connector CN1026 (TP205). (Refer to fig. 1.)
3. Move the pickup to the position where shineable the light discharged from the objective lens on the light power meter
sensor. 4. Lights up the playback laser diode by laser diode (LD) ON.
5. Shine the light discharged from the objective lens in the pickup on the light power meter sensor. Adjust VR5 (PB.PW)
so that the playback laser diode output is an average 0.68 mW + 0.02 mW.
6. Turn off the all servos, and release the short-circuit of TP connector CN1026 (TP205).
Notes : Do not open the disc tray after the TP connector CN1026(TP20S) is short-circuited. The clamp motor will be
locked. If the clamp motor is locked, refer to the “Note 1 : How to open the tray manually” in section 6.
DISASSEMBLY (page 53).
DW - S114X
4. Recording Power Adjustment
@ Objective To optimize the recording power of the laser diode.
@ Symptom when out of |The player does not record nor playback self-recorded discs. It also skips tracks and the RF
adjustment waveform is dirty. (No problems during CD playback)
@Measurementinstru- | Shine the light discharged from | @ Player state Spindle rotation frequency : Fourfold
ment connections the objective lens on the light speed, max power ON entry, max
power meter sensor. power ON
[Settings] @ Adjustment location |WR104 (REC. PW)
Wavelength 790 nm
Average mode @ Disc None needed
[Procedure]
1. Fully turn VR104 (REC.PW) counterclockwise to reduce the power to the minimum.
2. Open the disc tray.
3. Short-circuit the pins | and 2 of TP connector CN1026(TP205). (Refer to fig. 1.)
4. Move the pickup to the position where shineable the light discharged from the objective lens on the light power meter
sensor.
5. Spindle rotation frequency : Fourfold speed, max power ON entry and max power ON to lights up the laser diode.
6. Shine the light discharged from the objective lens in the pickup on the light power meter sensor and adjust VRI04
(REC.PW) so that the playback laser diode output is an average of 10 mW + 0.05 mW.
7. Turn off the all servos, and release the short-circuit of TP connector CN1026(TP205).
Notes
« Power more than ten times greater than playback power is released during these adjustments.
Never look directly at the objective lens.
« The laser diode may be damaged if the recording power is greater than the specified value.
Always perform step | before making adjustments.
* Do not open the disc tray after the TP connector CN1026(TP205) is short-circuited. The clamp motor will be locked.
Be sure to perform the adjustment from step 1. If the clamp motor is locked, refer to the “Note 1 : How to open the
tray manually” in section 6. DISASSEMBLY (page 53).
5. Focus Offset Adjustment
@ Objective To coarse adjust the DC offset voltage of the focus servo circuit for perform the tracking adjustments correctly.
@ Symptom when out of | The model does not focus in, sound broken and the RF signal is dirty. adjustment
@ Measurement instru- | Connect the oscilloscope to @ Player state Spindle rotation frequency : Normal ment connections TP201 (CN601), Pin 1 (RF) speed, focus ON, spindle ON/
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LOADING i DRIVE LOUT 22,27 20
LOADING 2 : IC1008 IC1007 MOTOR 1 ici20101/2)
! FLASH SRAM CLAMP 2 | (128k x 8) (32k x 8) MOTOR = so
| akesatesonecotete’ |
58
9. PANEL FACILITIES
FRONT
a CO-ROMWARITER DW-S 114X
@) POWER switch This switch turns the power supply ON/OFF
2) POWER indicator Lights up when the power is ON.
@) Disc tray Auto-loading is done with the OPEN/CLOSE button. Place the disc onto the tray with the label facing up.
@) DISC indicator Lights up when loading the disc Blinks during reading of TOC data.
@ WRITE indicator Lights up during writing of CD-ROM data.
@ ERROR indicator Lights up when some trouble occurs during use of the unit.
OPEN/CLOSE button Press this button when moving the disc tray in and out.
REAR
@) SCSI connectors Two SCS! amphenol 50P connectors are implemented for
daisy chain configuration connectors.
(Either one of the two connectors can be used.}
() FUNCTION switches Used to set the operation mode of the unit. Turn the power off to the unit before changing the operation mode. See page 6 for details.
) GND terminal
@2 AC IN Connect to a wall outlet. The unit is designed to operate at AC 100 - 240V 50/60Hz. (There is no power supply voltage switch because switchover takes place automatically inside the unit.)
POWER-CORD CAUTION Handle the power cord by the plug. Do not pull out the plug by
tugging the cord and never touch the power cord when your
hands are wet as this could cause a short circuit or electric shock Do not place the unit, a piece of furniture, etc , on the
power cord, or pinch the cord. Never make a knot in the cord or tie it with other cords. The power cords should be routed such that they are not likely to be stepped on. A damaged
power cord can cause a fire or give you an electrical shock Check the power cord once in a while. When you find it
damaged, ask your nearest PIONEER authorized service center or your dealer for a replacement.
10. SPECIFICATIONS
[ General ] Dise ou... CD-ROM disc (conforming to YELLOW BOOK)
CD audio disc (conforming to RED BOOK) CD-RECORDABLE disc (conforming to ORANGE BOOK)
Data Capacity 0... ececceeseeeseeenseees 540 megabytes Data DIOCK SiZ@ occ cece ececeneeeene 2048 bytes/block Data transmission speed... 614 kilobytes/sec
(continuous) INterace:. cts Aeesisiein sieht wa caasthi ulosieetta ate SCSI 2
The accessory power cable can only be used on the continent of
North America. In Europe, do not use the accessory power cable.
Consult with the company sales representative. “Use Only Safety
Licensed Power Cable.”
{ Others ] Power voltage .........0...ccccescceeneeeeee AC 100V-240V, 50/60Hz
(automatic select) Power CONSUMPTION ....... cee cc cceeeeeeceeeeeee AC 100V, 0.33A
/AC 120V, 0.33A
fAC 240V, 0.23A Dimensions ...........000..00 210 (W) x 115 (H) x 399 (D) mm
8-9/32 (W) x 4-17/32 (H) x 15-23/32 (D) in. Weight .cieh is: otis actiaraitis auleaianevnets 5.3 kg (11 Ib 11 02)
Operating temperature......... +5 to +40°C (+41 to +104°F) Operating humidity ...0.0.0000000 ccc ceeeeeeeenees 10 to 85 % Storage temperature ............ -20 to +60°C (-9 to +140°F) Built-in terminators
NOTE:
Specifications and design subject to possible modifications