CDP-195 SONY | Alldatasheet

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. " | CDP-195/295 i . UK Model : 6 ; CDP-491 as Australian Model CDP-295 Photo : CDP-295. ee Model Name Using Similar Mechanism | CDP-291/391 CD Mechanism Type CDM14-5BD1 Optical Pick-Up Block Type BU-5BD1 SPECIFICATIONS ‘Compact disc player Supplied accessories Outputs: LINE OUT Output level 2 V (at 50 kilohms) Remote commander RM-D295 (CDP-295/491) PHONES: Output level max. 10 mW. system es os : Weight Approx 95 9 (402)

240 V AC, 50 Hz f,~, 1his Compact Disc player is

50/60 Hz LASER product. LUOKAN TtaseLaTe ial consumption PRODUCT label is located Ce netding foe go Bem —————"" onthe rear exterior. MICROFILM’ ®

SAFETY-RELATED COMPONENT WARNING!! ATTENTION AU COMPOSANT AYANT RAPPORT . A LA SECURITE! COMPONENTS IDENTIFIED BY MARK AX OR DOTTED LINE WITH MARK A\\ ON THE SCHEMATIC DIAGRAMS AND IN LES COMPOSANTS IDENTIFIES PAR UNE MARQUE 4\\ SUR THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. LES DIAGRAMMES SCHEMATIQUES ET LA LISTE DES REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PIECES SONT CRITIQUES POUR LA SECURITE DE FONC- PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR TIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR IN SUPPLEMENTS PUBLISHED BY SONY. DES PIECES SONY DONT LES NUMEROS SONT DONNES DANS CE MANUEL OU DANS LES SUPPLEMENTS PUBLIES PAR SONY. PROTECTION OF EYES FROM LASER BEAM DURING SERVICING This set employs a laser. Therefore, be sure to follow carefully the 1, Laser Diode Properties instructions below when servicing. © Material: GaAlAs * Wavelength: 780nm * — Emission Duration: continuous CAUTION * Laser Output: max.44.6uW* Use of controls or adjustments or performance of procedures * This output is the value measured at a distance of about other than those specified herein may result in hazardous 200mm from the objective lens surface on the Optical Pick-up radiation exposure. Block. 2. During service, do not take the Optical Pick-up Block apart, and do not adjust the APC circuit. If there is a breakdown in the APC NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR Soc int APC be, ones the entire Optical Pic! BASE UNIT P ® . The laser diode in the optical pick-up block may suffer electrostatic breakdown because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic breakdown and also use the procedure in the printed matter which is included in the repair parts, The flexible board is easily damaged and should be handled with care. TABLE OF CONTENTS Section Title Page Section Title Page 4-4, Printing Wiring Boards ....scusssessesesnennensenne 14 4-6, Semiconductor Lead Layouts cece 24 3. DISASSEMBLY OF BASE UNIT... 7 441. Pin Fi fF IC101 AND IC401 o.rcsenseennee 8 1. Pin Function of Ic 6. ELECTRICAL PARTS LIST wemrnsnnnnnnnee 28 -2-

_ CDP-195/295/491 MODEL IDENTIFICATION ~ SPECIFICATION LABEL ~ CDP-195 CDP-195 CDP-295 CDP-295 CDP-491 CDP-491 OE —— “a SERIAL NO. SERIAL NO. | MADE IN JAPAN MADE IN FRANCE US, Canadian MODEL: AC120, 60Hz 12W AEP MODEL: AC220-230V, 50/60Hz AEP MODEL: AC220-230V, 50/60Hz UK MODEL: AC240V, 50/60Hz Australian MODEL: AC240V, 50/60Hz E, Saudi Arabian MODEL: AC110-120, 220-240v, 50/60Hz, 12W SAFETY CHECK-OUT After correcting the original service problem, perform the 3. Measuring the voltage drop across a resistor by means of a following safety check before releasing the set to the customer: YOM or battery-operated AC voltmeter. The "limit indica- Check the antenna terminals, metal trim, "metallized" knobs, screws, tion is 0.75V, so analog meters must have an accurate low- and all other exposed metal parts for AC leakage. Check leakage as voltage scale. The Simpson 250 and Sanwa SH-63Trd are described below. examples of a passive VOM that is suitable. Nearly all battery operated digital multimeters that have a 2V AC range are LEAKAGE TEST suitable. (See Fig.A) The AC leakage from any exposed metal part to earth ground To Exposed Metal and from all exposed metal parts to any exposed metal part having Parts on Set a retum to chassis, must not exceed 0.5mA (500 microampers). | Leakage current can be measured by any one of three methods. a 1. A commercial leakage tester, such as the Simpson 229 or RCA r WT-S40A. Follow the manufacturers’ instructions to use these o15ur = 18K ac instruments. ue Ty . seu 2. A battery-operated AC milliammeter. The Data Precision 245 — digital multimeter is suitable for this job. — + Earth Ground Fig. A. Using an AC voltmeter to check AC leakage. -3-

LOCATION OF CONTROLS This section is extracted from instruction manual. =n g z= @ Fh 9 ow mn a SS SS SE Oe a =e] — — ooOooG op a a | (= pe -_ [loon oe eT lta) Gl Geb rlesa old a or od il TTT 2s) 3) ae fo) 39} O08) G7)he strats CDP-295 (7) POWER switch (2) Disc tray [3] Remote sensor [2 Display window {5} PROGRAM button [6] SHUFFLE button (Z CONTINUE button TIME button [B) CHECK (program check) button (40) Numeric buttons (EE CLEAR (program clear) button G2] > 12 (over 12) button £13] MUSIC SCAN button [14] PEAK SEARCH button (5) PHONE LEVEL control {96} FADER button PHONES jack REPEAT button EDIT/TIME FADE button [2D) We <44/> > PH (AMS*/RMS**/manual search) buttons [2] m (stop) button H1 (pause) button (2) & (play) button # (open/ctose) button * AMS is the abbreviation of Automatic Music Sensor. * * RMS is the abbreviation of Random Music Sensor. ~4-

Note: RF Level Check 1. CD Block basically constructed to operate with- oscilloscope out adjustment. Therefore, check each item in BD board C) order given. TP (RFO) | 2. Use YEDS-18 disc (3-702-101-01) unless otherwise TP (VC) Omw—yo- indicated. Procedure : 3. Use the oscilloscope with more than 10M@ im- 1. Connect oscilloscope to test point TP (RFO) on pedance. BD board. 4. Clean an object lens by an applicator with neutral 2. Turn Power switch on. detergent when the signal level is low than 3. Put disc (YEDS-18) in and playback. specified value with the following checks. 4. Confirm that oscilloscope waveform is clear and check RF signal level is correct or not. Note: S Curve Check ; Clear RF signal waveform means that the shape “©” BD board cncloscore can be clearly distinguished at the center of the wave- 7 0} cn TP (vc) ow—lo- RF signal waveform VOLT/OW :200mV Procedure : oooaaoORO TIME/DIV : $00nS 1. Connect oscilloscope to test point TP (FEO) on Ah BD board. RR tel: : SAE | 1.222 veep 2. Connect between test point TP (FES) and ‘TP SAN " “4 (VC) by lead wire. 3. Turned Power switch on and actuate the focus E-F Balance Check serch. (actuate the focus serch when disc table is cxciloseope moving in and out.) BD board 4. Check the oscilloscope waveform (S curve) is 1P (TES) ig symmetrical between A and B. And confirm peak TP(vc) ow—tlo- to peak level within 3+1Vp-p. Procedure : S curve waveform symmetry 1. Connect test point TP (ADJ) to ground and TP 4 (TES) to TP (VC) with lead wire. | 2. Connect oscilloscope to test point TP (TEO) on _ \\ within 3¢1Vp-p BD board. LS 3, Turn Power switch on. 4. Put disc (YEDS-18) in and playback. 5. After check, remove the lead wire connected in 5+ Confirm that the osilloscope waveform is sym- step 2. metrical on the top and bottom in relation to OV, Note: + Try to mesure several times to make sure and check this level. that the ratio of A:B or B: A is more than Traverse oscilloscope 10:7. SULA THU Mg + Take sweep time as long as possible and light ov — rate y _ up the brightness to obtain best waveform. ot Yi Wein Ponty level: 2+1Vp-p 6. Remove the lead wire connected in step 1. -5-

RF PLL Free-run Frequency Check { BD BOARD ] - Component Side - Procedure : = 1, Connect frequency counter to test point (PLCK) : AS Wirth with lead wire. oS eae os ete SS wi frequency counter [enon Wa be dga/Se-fasaales in board iogBls Me PRa ro NE — | ESS ite Aiys ESE” US TP (PLCK) Te ine“ be) Ses CRO’ Cb eee he oe ied Age 2. Turn Power switch on. NG , Yi Bees iS 3. Confirm that reading on frequency counter is pitras oy Kf Qe BS we 4, 3218MHz. if . aS on & Gales i Focus/Tracking Gain i, Gees i ear ae . wh This gain has a margin, so even if it is slightly off. Pega eps Eto) ge There is no problem. Pa i 4 Saas 1 ‘Therefore, do not perform, this adjustment. lcs do ak ab wceae = Please note that it should be fixed to mechanical cen- EE eect ter position when you moved and do not know original position. Adjustment Location ; (MAIN BOARD) — Component Side - 1C301 (conductor side ) +P 1€302 (PLCK ) | + oP Ny ( EFM ) a th. pa “i TP TP tga CRFCKY (ADJ i Sea! ——l TP CN301 WECK -6-

Note: Follow the disassembly procedure in the nomerical order given. © Turn the cam to the direction of arrow (Counter clock wise) by minus screw driver. @ Take off the disc table. © Remove the yoke bracket. @ Remove the MD (BU-5BD1) to the direction of arrow. BU.5BD1 yoke bracket © ° ms YS = = Oo \\ iN a " > % cam oc WA Q Vane a RS a eer GB ae Ny NS f % \\ a eX \\R FZ) IS EN A \\) c EE 12) a disc table { -7-

4-1. PIN FUNCTION OF C101 AND IC401 @1C101 (CXA1372Q) PIN FUNCTION [Fin No | PinName [1/0[ Saino ~ | [een ee eee single power supply is in use. FS3 |_I__|conncted between the FGD and FS3 pins. 4 FLB ‘The capacitor for low frequency boost in the focus servo loop is connected. 6 FE— Vi Inverted input to focus amplifier. i SRCH ‘Time constants to generate the focus search waveform are connected. [9 «| TG2 | 1 | connected between TGU pin and TG2 pin. aa aha power supply is in use.) in TAO Tracking drive output. 12 TA- Inverted input to tracking amplifier. 13 SL+ Non-inverted input to sled amplifier. “4 sLO Sled drive output. 18 sL- Non-inverted input to sled amplifier. 16 ESET ‘The 610k phase compensator resistor is connected to this pin. 7 ISET The current setting resistor is connected to this pin. 18 SSTOP The limit switch is connected to this pin.

19 AVEE Analog power supply (—5V when + dual power supplies are in use, or GND when a

single power supply is in use.) 20 DIRC Direct control pin. a LOCK I |Sled run-away prevention circuit operates when this signal is "L”. 22 CLK 1 |Serial data transfer clock input that is supplied from CPU (or DSP). 23 XLT I | Latch input from CPU (or DSP). 24 DATA I |Serial data input from CPU (or DSP). 26 | cour | O | Output to tracking counter. 27 SENS © |SENS output. 28 DGND — | Digital ground (GND). (GND when + dual power supplies are in use. GND when a single power supply is in use.) 29 MIRR O | Mirror output. 30 DFCT O__|Defect output. "H” when defective. - — 31 ASY Auto-assymmetry control input. 32 EFM EFM comparator output. 33 FOK Focus OK. . 34 cc2 Defect-bottom-hold input (inout by capacitive coupling). 35 cc1 Defect-bottom-hold output. 36 DVvcc Digital power supply. (+5V when + dual power supplies in use. +5V when a single power supply is in use.) 37 cB ‘The defect-bottom-hold capacitor is connreted to this pin. 38 cp The mirror hold capacitor is connected to this pin. 39 RF1 RF signal input (input by capacitive coupling). 40 RFO RF signal input (input by DC coupling). 41 DVEE Digital power supply (—5V when + dual power supplies are in use. GND when a single power supply is in use.) 42 T2ZC ‘Tracking zero-cross comparator input. 43 TE ‘Tracking error input. 44 TDFCT ‘The defect prevention hold capacitor is connected to this pin. 45 ATSC Anti-shock input. 46 F2C 1 | Focus zero-cross comparator input. 47 FE 1 | Focus error input. 48 FDFCT. 1_|'The defect prevention hold capactior is connected to this pin. -8-

© 1C401 (CXP50112-697Q) PIN FUNCTION [Pin No [Pin Name [170 | Description — 1-4 [= — [Not used (open). To 5-20 |S1-s16 O |Segment output to FL tube. 21-28 1G-8G O | Common output to FL tube. 29 SCOR I |Subcode sync signal SO + $1 detection input from IC301 (CXD2500AQ). 30 - —__| Not used (open). 31 +5V. — [4sv Oo 32 RST I | Reset input. 33 +5V _ +5V 34 Vpp — | Power voltage terminal (+5V). > 35-40 | KEYO- KEYS 1_|Key A/D input. 41 - Not used (Ground). a 42 | TIMER SW Auto play select input (Auto play "L”). 4300 «| Not used (Ground). 44 CLK Serial data transfer clock output to C301 (CXD2500AQ). 45 |DATA Serial data output to IC301 (CXD2500AQ). 46 = Not used (Ground). — 47 | FOK Focus OK signal input from IC101 (CXA1372Q). 48 | GFS Frame sync signal clock status input from 1C301 (CXD2500AQ). 49 | SUBQ Sub code (Q data) serial input from C301 (CXD2500AQ). 50 SQCLK Sub code (Q data) readout clock output to 1C301 (CXD2500AQ). 51 | XLT © | Serial data latch output. — 52. | PRGL © | Attenuate data latch clock output to 10302 (CXD2554P). 53 LDON O | Laser diode ON/OFF select output of optical pick-up. 54 AMUT O | Mating output for 10301 (CXD2500AQ) and Q344 (2SC3399). Muting on by "H”, Muting off by "L. 55 - 58 Bo - B3 —_| Not used (4+5V) DEFECT SW | 0 | Deffect circuit ON/OFF select output to 1G101 (OXA1372Q). _—— 61 SENSE I | SENS signal input from 10301 (CXD2500AQ). | 62 RMC I | Remote control signal input. 63 INSW I Hnput for loading out switch. 64 ouTsw I | Output for loading in switch. 65 ADJ 1 Tset mode input. GFS check will not activate by "L”, 66 AFADI 1 |'Test mode input. All test operation will be activate by "L” mode when power on. 67 | LODIN © | Output for turn the loading motor to loading. 68 LopouT O | Output for turn the loading motor to un loading. 69 - — | Not used (open). 70 - — _| Not used (open). 71 Vss — |Ground. Oy 72 |X'TAL © | Clock output. 73 +5V — )45V 74 | EXTAL 1} Clock input. (4MHz) 75 +5V — | 45V 76 | —30V 1 | Power voltage ~30V for built in FL tube controller. 7 - — | Not used (open). 7 |= = | Not used (open). 79 = = | Not used (open). 80 = —__|. Not used (open). -g-

CDP-795/2.95/407 4-6. SEMICONDUCTOR LEAD LAYOUTS CXA13720 CXD2500AQ CxD25520 DTA 4ES “ CXP50112-0970 DTC1 4ES Yo or 23C2483-YGR De = HARUM 7 tM il fi 2 2SC2E23A-LK . (TOP VIEW) ° wy GP1U52XB IN4148M M5293. 3Dé.7M-B1 [ee aa, : | we* r anoae 12345 "2 RD5.6ES-B2 2SA1175-HFE 2SB1094-L 28C1815-Y RD6.8ES-B1 2SB1274SA-RS RD7.5JS-B2 on 1SS202-1 \\ ~ 11ES2 11EQS04 e ei —. WH Jy { / i il 8 Ny fog 28D774-34 EC 8B -21-

| 4-7. IC BLOCK DIAGRAMS | Ic101_ CXA13720 )—@)-) Salata C)—G eo” ®) ad i Meck ace rigseal | fy EB Ss ws BaF - his ED oe vee Ge o G Th | ne == wa ws eg RRR, | "@ . ae, TRACE @) ser i ws O-EE Tr Med gt. | Me | . 1 —> $ Tasha i x @® eS (hg 0 “204 4. rorct @ ey TY, ae Yo "

0 O-O-O O20; COOLIO

i Ic103. M54641L | Veo Vee | i i | | | CONTROL | © | oxo | 1c201 M5293L i | | 65) REFERENCE tn Ferenc ka (sureties »@ — -2-

10302 CXD2554P

Ic202 _M5290P-16 STS SS wer] S/ = dam f [site] - =< (fs) Cae) SHS BS Levee cat |S ae ae | se Latin esac weg t LE [+ fom ou X fel ealtes Gran <HH Aone [| amie ee "SO. £1 Gower eeu . {6 tn (eee) 1C301 CXD2500A0. oad _—_ ——] b—-H—-O—O © DOOD e@oo0ozZz», * Eauseuc gape 8 328 @nannes ne 2 BRS (ASPFET BRP -e-OpP FOK AUTO S. ? R 1A sas0 1C305 CXD2552AQ pempbu- [4 SCOR Faw Ty LATOR me wee Hi wn cy Ba st pag eig 3 war | b oo Bes eae 255 9 ee Bo fovasee LS ee" OO-H @OO®D ©OO—® Po) |" oo <b i | vcoo (a) : Gi) c16M 10 ® <j} | —-< 28 veo! Fo - ee one wo =o Test @ | A ne @ [8 rere Pao g veer a exc ES Sie on Oa vss @ ss oenenA- PS 3S wt Boeken | Nc CD) as rr 3) xral I xc @ “2 @ [rol ise Sart} fovowrasro} Le me Rie Thi 7 wee Pon a frown |” Fe [pO erm _ —s wre rt Be er) EB 2 oo = PCO Gi CO } Of cae eo pao2 O® © © O-O—O—O— © Aro ii {@) 5403 geio8 $2 £8 @ € 8 ADDRESS: 45) QAOS avan @) Aw fo] GENERA io DADs evevera *@ 8 ee ‘4 ata processor — [fit) 9409 0-0-0 - 89000 sa bhhbhss Boo o* ' 3 se2esce Bese |S 3555558 -2B-

NOTE: + -XX, -X mean standardized parts, so they + tems marked “*” are not stocked since they are The components identified by mark or may have some differences from the original seldom required for routine service. Some de- dotted line with mark A\\ are critical for one. lay should be anticipated when ordering these safety. + The construction parts of an assembled part items. Replace only with part number specified. are indicated with a collation number in the + The mechanical parts with no reference num- remark column. ber in the exploded views are not supplied, Les composants identifiés par une marque * Color indication of Appearance Parts + Hardware(# mark) list is given in the last of this AX sont critiques pour la sécurité. Example: parts list. Ne les remplacer que par une piéce por- KNOB,BALANCE(WHITE)...(RED) tant le numéro spécifié. t tT Parts color Cabinet's color (1) CABINET SECTION a 8 TUK MODEL AEP MODEL!E MODEL | Saugi Arabia. 1 ' | MODEL ; S . 9 | jo it ES | 0 coe . ni <5 | 3 1 Qo 1 S : Se SS oP 1 11 ~ L-~ WL ee ee Ld Ss 124 9°13-@ | Australian "US, Canadian | Z S | MODEL MODEL ; Usa ! ' #2 y iA ae 10 | mo | y [eq RRR : On QQ) | rot supplied | 8 y oS .. CDM14-58D1 21) enaot OS. LAZOAN 2~<\\ | ys Nea SoH << f . CSSES b S a S88 lh AT Ne KS 4% 15 2 3 > wae Zk ee not supplied Ss Pen not supplied oo By Aha Ke EN? ON f 21 ° an S 7 iS SS suppl “hee . ae — | P FLOAT ody ON J | és ? Ve . LA Ar not supplied > not supplied a [OSS V8 ‘gp 22 SS QPS ESS 3 , A &: & ~~ ob: \\ SS ty . 1 23 YP SS 24

4 NS not supplied A #1 #1

except us, 5! FLD401 supplied with RV501 Canadian MODEL i Supplied with J501 —24-

1) CABINET SECTION

8 TUK MODEL [AEP MODEL'E MODEL | Saudi Arabia |

e a a6 | 10 ‘40 & eros > S 1 ' 2, | ar ek | nd | S| 11 | 1! a ~ Li~ Je ee ee Sf ern FAusirlian (US, Ganadian i a. S { \\MODEL ng ‘MODEL I Gian a 1 ! \\ ew & 10 | — < Ve ( LA, i ee ae oN CDM14-5801 [_ SRY onder 3 #8 wu ~ A “ Sf ySs TSS} 1, 3 eB aN SON : A uf wa Ne cy ™ 46 15 2 3 aN . we. ica | : Ca S¢ NRE not supplied {not sso ay as TANS at SPP LAN § . SA WN Sr * Xe SP FLD401,/~. ae oN —_ ING & © L not supplied > oA not supplied N BS \\ \\ ane “ RSs FQN oe S86 OS OSS ES 4) 3 i A. ' H Ne not supplied #1 #1 EXCEPT US, e)\\ FLD401 supplied with RV501 Canadian MODEL oT Supplied with J501

(2) MD SECTION (CDM14-5BD1) S10 So 311 an N< SEES 312 ESS ~ 309 ; 307 - X 5 ° 304 “——e SS oT LE KA ; ay 305 2 ZB S 2) a | ZA ASS rt cE le 8 50s (ncuing 315) SO I * e315 Lhe KX 301 wer ets ec Ss A

(3) PICK-UP BLOCK (BU-5BD1) 357. 2 RO Sh, JB waa SB . 38s I>QAL S SA ‘

7 A =a S< ge

U aha aX ~ a Mtoe EN) G—s50 gine Z as2 "oe , 354 So ' . Swe “ 4 351