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Sanyo DC-DA1200M (XE-2); DC-DA1250M (SP-2) Service Manual

Micro component system
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Service Manual
Contents
Laser beam safety precaution .......................................... 1
Tape adjustments ............................................................ 1
Tuner adjustments ........................................................... 2
CD pick-up maintenance .................................................. 2
Exploded view .................................................................. 3
Parts list ........................................................................... 4
IC block diagram & description ........................................ 7
(FRONT) ...................................................................... 14
(CD) ............................................................................. 16
This service manual consists of
For XE-2 ; "DC-DA1200MU/XE-2" (Main unit : 129 693 13) and " SX-DA1200M/XE" (Speaker system: 165 104 04)
For SP-2 ; "DC-DA1250MU/SP-2" (Main unit : 129 693 16) and " SX-DA1250M/SP" (Speaker system: 165 045 15)
Micro Component System
(XE)
Wiring connection ............................................................ 29
FILE NO.
DC-DA1200M
DC-DA1250M
(SP)
PRODUCT CODE No.
129 694 13 (XE-2)
129 694 16 (SP-2)
(TUNER) ...................................................................... 20
(AMPLIFIER) ............................................................... 24
(FRONT & CD) ............................................................ 18
(KEY) ........................................................................... 19
(TUNER) ...................................................................... 22
(AMPLIFIER) ............................................................... 26
(POWER TRANSFORMER) ........................................ 28
REFERENCE No.
(XE-2)
(SP-2)
SM
5810658

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Table of Contents
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  Summary of Contents for Sanyo DC-DA1200M (XE-2); DC-DA1250M (SP-2)

  • Page 1: Table Of Contents

    FILE NO. Service Manual DC-DA1200M Micro Component System (XE-2) DC-DA1250M (SP-2) (XE) (SP) Contents PRODUCT CODE No. 129 694 13 (XE-2) 129 694 16 (SP-2) Laser beam safety precaution .......... 1 (TUNER) ..............20 Tape adjustments ............1 (AMPLIFIER) ............... 24 Tuner adjustments ............
  • Page 2: Laser Beam Safety Precaution

    LASER BEAM SAFETY PRECAUTION • Pick-up that emits a laser beam is used in this CD player section. CAUTION : THIS PRODUCT CONTAINS A LOW POWER LASER DEVICE, TO ENSURE CONTINUED SAFETY DO NOT REMOVE ANY COVERS OR ATTEMPT TO GAIN ACCESS TO THE INSIDE OF THE PRODUCT.
  • Page 3: Tuner Adjustments

    Clean a lens with swab of the cotton which moistened it with alcohol, cleaning paper or cleaning disc appointed. Specified cleaning disc : LC-1 (Part code : 645 026 1961 ..manufactured by SANYO.) Show a clean procedure in the following in reference by swab of cotton.
  • Page 4: Exploded View

    EXPLODED VIEW - 3 -...
  • Page 5: Parts List

    PARTS LIST PRODUCT SAFETY NOTICE EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH THE IEC SYMBOL IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATED COMPONENTS IN WHICH SAFETY AND ! ! ! PERFORMANCE CAN BE OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED BY , USE ONLY THE ! ! ! REPLACEMENT PARTS DESIGNATED, OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WATTAGE OR VOLTAGE THAT...
  • Page 6 PARTS LIST KEY P.W.BOARD ASSY REF.NO. PART NO. DESCRIPTION S6511 614 220 5471 SWITCH,TACT REF.NO. PART NO. DESCRIPTION 614 240 1002 SWITCH,TACT 614 331 7111 ASSY,PWB,KEY(Only initial) 645 006 5958 SWITCH,PUSH 1P-1T CN605 614 330 3367 ASSY,WIRE,KEY TO TUNER X6101 645 032 1627 OSC,CRYSTAL 32.768KHZ S6512 614 220 5471 SWITCH,TACT...
  • Page 7 PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION IC211 409 016 0200 IC LA1186N-AUDIO IC412 409 612 2202 IC KIA6282K IC231 409 474 3201 IC LA1844ML IC446 409 039 9204 IC NJM78L05A IC241 409 439 4502 IC LC72121M-D L4781 645 002 1459 INDUCTOR,22U K L2001...
  • Page 8: Ic Block Diagram & Description

    PARTS LIST POWER TRANSFORMER P.W.BOARD ASSY TAPE MECHANISM REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION 614 331 7098 ASSY,PWB,DG(Only initial) 614 309 7976 ASSY,MECHA,TM-DA70TN-SH CN451 614 017 8203 TERMINAL BOARD 614 312 0629 ASSY,MOTOR,FOR SERVICE CN452 614 017 8203 TERMINAL BOARD 645 009 1612 PINCH ROLLER ARM ASSY CN455 645 005 9315 PLUG,2P...
  • Page 9 IC BLOCK DIAGRAM & DESCRIPTION IC101 LC78646-UHK-E (CMOS LSI for CD Player) RFVDD FIN1 RFVSS FIN2 TIN1 TBAL TIN2 TBAL LEVEL SET MONI RFMON REFI CONT VREF DEFECT TRACK JUMP SERVO PROCESSEROR ADIN ADAVDD AUTO ADJUST ADAVSS JITTER JITTC DETECT SLDO SLCO SLICE LEVEL...
  • Page 10 IC BLOCK DIAGRAM & DESCRIPTION IC102 LC78684NE-UHK-E (MP3 Decoder for CD Player) System CPU- I / F Clock-gen CKIN DRAM-I /F VPRER VCOC VPDO CKOUT STREQ STCK Anti-Shock Data- I / F CDROM STDAT CNTOK (compression· Decoder incompressible) CRCF LRSY DATACK Decoder FSYNC...
  • Page 11 IC BLOCK DIAGRAM & DESCRIPTION IC104 LA6548NH-E (CD Driver) Level shift Level shift Level shift Level shift PIN No. Pin Name Description (Function) PIN No. Pin Name Description (Function) VCC1 Power supply (VCC2, short-circuit 28pin) RESET Connect to condenser MUTE Output ON/OFF terminal of dalay time setting VIN1...
  • Page 12 IC BLOCK DIAGRAM & DESCRIPTION IC103 M12L16161A-7TG (Synchronous DRAM) Bank select Data Input Register DQ15 LDQM DQ14 DQ13 512K DQ12 DQ11 512K DQ10 Column Decoder LDQM N.C/RFU UDQM Latency & Burst Length LCKE Programming Register A10/AP LRAS LCBR LCAS LDQM LWCBR Timing Register WE L(U)DQM...
  • Page 13 IC BLOCK DIAGRAM & DESCRIPTION IC231 LA1844ML (Audio Tuner IC) RF.AMP PILOT DECODER BUFF CANCEL ANTI-BIRDIE P-DET STEREO LEVEL AM/FM COMP S-CURVE BUFF PILOT 304kHz TUNING DRIVE IC241 LC72121M-D (Pll Synthesizer) Vssx REFERENCE PHASE DETECTOR DIVIDER CHARGE PUMP XOUT SWALLOW COUNTER UNLOCK FMIN 1/16, 1/17 4bits...
  • Page 14 IC BLOCK DIAGRAM & DESCRIPTION IC411 LC75348M-E (Electronic Volume) LSELO LIN LTRE LBASS1 LBASS2 LOUT TEST LVref MULTIPLEXER ZERO CROSSDET CONTROL ZERO CROSSDET INTERFACE CIRCUIT MULTIPLEXER ZERO CROSSDET RVref NO SIGNAL TIMER Vref RSELO RIN RTRE RBASS1 RBASS2 ROUT Pin Name Pin No.
  • Page 15: Schematic Diagram (Front)

    SCHEMATIC DIAGRAM (FRONT) D6010 L6010 1SS133 S6001 C6111 100P R6413 LCD61 560K C6110 C6112 100P 100P R6117 CD_DRF JOG+ C6113 R6118 100P MP3_CE MP3_CE JOG- R6801 TU_CE SYN_REC SYNC_REC C6018 R6119 TAPE_PLAY R6802 R6520 RESET RESET 4.7K XT1(I) R6500 R6501 R6805 R6502 R6503...
  • Page 16 SCHEMATIC DIAGRAM (CD) R1318 C1324 DSP-DATA C1338 DSP-COND DSP-CLK RESET R1354 RESET C1312 0.047 VREF C1313 C1337 3.3V R1412 C1314 R1314 6.8K R1321 R1340 C1307 R1415 100K 47/10 DATA C1418 1.5K SLCO R1322 R1411 6.8K SLCIST R1341 C1421 DATACK COMMAND SERIAL R1323 C1419...
  • Page 17 WIRING DIAGRAM (FRONT&CD, KEY) KEY P.W.BOARD 1AD4B10D3000D T002A 94V-0 S6512 S6513 S6514 KEY0 GND CLOCK/ S6515 CN605 TIMER R6512 R6513 R6514 SURROUND BASS SOUND PRESET FRONT P.W.BOARD CD P.W.BOARD MEMORY S6504 S6505 S6506 DS601 J1244 J1243 R6505 J1242 POWER FUNCTION J1225 J1241 J1115...
  • Page 18: (Tuner)

    SCHEMATIC DIAGRAM (TUNER) XF211 IC211 R2204 470K XF222 LA1186N T2002 XF233 C2306 C2114 Q2201 1;50 R2201 R2306 XF221 KTC3195 XF231 C2322 2.7K C2305 1000P C2321 0.47;50 C2345 1;50 R2202 C2105 R2105 C2111 R2301 0.01 1.5K 1000P FM IF AM MIX AM IF FM DET MUTE...
  • Page 19 WIRING DIAGRAM (TUNER) S2001 R2910 R2454 J2200 J2201 C2116 Q2451 R2460 C2104 C2115 C2115 C2115 C2463 C2453 J2101 C2462 J2301 R2103 R2103 R2103 IC241 D2102 D2101 J2302 C2103 R2108 C2454 R2102 C2107 C2107 C2107 C2322 L2103 J2304 L2001 J2102 J2103 R2455 R2455 R2455...
  • Page 20 SCHEMATIC DIAGRAM (AMPLIFIER) S4950-3 R4820 4.7K R4821 R4757 R4822 8.2K KRC102M Q4740 S4950-4 R4805 Q4751 S4950-8 2SD1012 R4825 1000P 1000P C4705 R4922 R4756 C4805 4.7K PR496 C4913 C4833 1500mA 4700/25 R4923 1/50 R4705 C4726 (FUSE) S4950-7 R4716 C4751 CN421 1/50 1/50 B.S.1 CH-1...
  • Page 21 WIRING DIAGRAM (AMPLIFER) J4117 CN411 Q4902 R4914 D4982 C4906 FU401 C4982 C4982 C4982 CN405 D4983 Q4904 C4983 C4983 C4983 C4916 D4980 L4902 C4981 C4981 C4981 D4984 C4915 D4981 C4918 T2.5A L 250V C4980 C4980 C4980 LF1.5 R4810 R4810 R4810 C4811 J4124 PR495 R4804...
  • Page 22: Amplifier

    BROWN YELLOW MOTOR SWITCH R/P HEAD ORANGE (6P) CD MECHANISM This is a basic wiring connection. This is a basic wiring diagram. SANYO Electric Co., Ltd. Osaka, Japan Sep. / '04 Printed in Japan - 28 - - 29 -...

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