background image

Service Manual

FILE NO.

Micro Component System

DC-DA1200M 

 (XE-2)

DC-DA1250M 

 (SP-2)

PRODUCT CODE No.
129 694 13 (XE-2)
129 694 16 (SP-2)

REFERENCE No. 

SM

5810658

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
Schematic diagram

(FRONT) ...................................................................... 14
(CD) ............................................................................. 16

(TUNER) ...................................................................... 20
(AMPLIFIER) ............................................................... 24

Wiring diagram

(FRONT & CD) ............................................................ 18

(KEY) ........................................................................... 19
(TUNER) ...................................................................... 22
(AMPLIFIER) ............................................................... 26
(POWER TRANSFORMER) ........................................ 28

Wiring connection ............................................................ 29

Contents

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)

(XE)

 (SP)

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

Page 1: ...2 Exploded view 3 Parts list 4 IC block diagram description 7 Schematic diagram FRONT 14 CD 16 TUNER 20 AMPLIFIER 24 Wiring diagram FRONT CD 18 KEY 19 TUNER 22 AMPLIFIER 26 POWER TRANSFORMER 28 Wiring connection 29 Contents 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...

Page 2: ...ad capstan and pinch roller before making any measurement Measurement Take up torque Back tension Tape tension Cassette for PLAY TW 2111A PLAY TW 2111A Drive power cassette measurement F FWD REW TW 2231 TW 2412 PLAY 30 70gr cm 1 0 6 0gr cm 80 gr or more F FWD REW 55 gr or more a Replacing the head 1 After replacement demagnetize the heads by using a degausser 2 Be sure to clean the heads before at...

Page 3: ...adjustments Speaker impedance 4 ohms MODE ST Stereo TUNING FM 87 5 108MHz AM 522 1611 kHz 9 kHz steps 520 1610 kHz 10 kHz steps E VT T002A 94V 0 1AD4B10D3000C IC211 L2153 L2151 CT252 S2001 D2102 L2103 XF211 L2104 XF221 Q2201 C2303 D2153 CN202 D2101 C2116 XF222 C2313 J2312 C2311 C2317 C2307 T2002 XF231 XF233 C2301 C2305 C2306 D2452 C2457 C2451 C2321 C2327 C2328 J2301 J2313 X2451 J2201 CN221 C2903 C...

Page 4: ...8 7 11 22 2 13 14 15 17 18 16 3 4 5 1 23 51 21 21 21 54 55 24 Y03 Y01 Y02 Y05 Y05 Y04 Y04 Y05 Y06 Y07 53 56 52 Y11 Y11 Y12 Y14 Y13 Y15 Y16 Y16 Y17 Y17 Y20 Y20 Y22 Y22 Y21 Y19 Y19 Y18 Y13 Y08 Y09 Y10 Y10 Y10 Y09 72 71 73 74 75 76 58 59 57 This is a basic exploded view ...

Page 5: ...329 2258 KNOB VOLUME 4 614 330 7662 ASSY PANEL FRONT 5 614 309 7969 ASSY GEAR CASSETTE 6 614 329 2210 DEC WINDOW BUTTON 7 614 329 6690 DEC WINDOW BUTTON 8 614 329 6706 DEC WINDOW BUTTON 9 614 329 2142 BUTTON TOP 4 KEYS 10 614 329 2159 BUTTON LEFT 3 KEYS 11 614 329 2135 BUTTON FUNC 4 KEYS 12 614 329 2166 BUTTON RIGHT 2 KEYS 13 614 329 2265 KNOB DECK MECHA REC 14 614 329 2272 KNOB DECK MECHA PLAY 15...

Page 6: ...4 81 UR91 D6202 407 241 2204 LED LT7V34 81 UR91 DS601 407 217 1101 PHOTO DIODE SPS 442 1G or 407 229 6101 PHOTO DIODE SPS 442 1 G1 IC601 410 545 7400 IC LC877148A 54K7 E MICON L6010 645 001 5441 INDUCTOR 2 2U K LCD61 645 072 1960 LCD LS601 614 329 6720 DEC SHEET LCD DEC LCD SHEET Q6101 405 014 4509 TR 2SC2412K R or 405 011 1006 TR 2SC1623 L6 or 405 146 2206 TR KTC3875 GR Q6107 405 005 5508 TR 2SA8...

Page 7: ... TPG BIN 3X8 AMPLIFIER P W BOARD ASSY REF NO PART NO DESCRIPTION 75 614 331 7081 ASSY PWB AMP Only initial C4714 403 058 4608 POLYESTER 0 15U J 50V C4814 403 058 4608 POLYESTER 0 15U J 50V C4913 403 329 6003 ELECT 4700U M 25V C4918 403 377 6307 POLYESTER 1000P J 50V or 403 056 7502 POLYESTER 1000P J 50V CN401 645 006 1875 PLUG 2P SPEAKER CN402 645 006 1875 PLUG 2P SPEAKER CN405 645 004 2904 PLUG 4...

Page 8: ...ut pin Must be connected to 0V 41 LVDD L channel D A converter L channel power supply pin 42 LCHO AO LVDD 2 L channel output pin 43 LVSS L channel ground pin Must be connected to 0V 44 RVSS R channel D A converter R channel ground pin Must be connected to 0V 45 RCHO AO LVDD 2 R channel output pin 46 RVDD R channel power supply pin 47 XVDD Crystal oscillator Crystal oscillator power supply pin 48 X...

Page 9: ... V P VDD VSS MONI 1 5 FSX 16MIN C2F EFLG DOUT LRSY DATACK DATA ASLRCK ASDACK ASDFIN MIX EQ AGC LPF LPF LPF TBAL TBAL SW SW PH BH LEVEL SET RAM MONI CONT A D SERVO PROCESSEROR TRACK JUMP APC AUTO ADJUST D A DRF S H JITTER DETECT SLICE LEVEL CONTROL PLL VCEC CLV CAV CONTROL RUPTURE DEFECT FRAME SYNC DETECT PROTECT INSERT EFM DECODE SUBCODE DECODE CRC MONITOR SIGNAL SELECTOR RAM CLOCK GENERATOR ERROR...

Page 10: ...output L active when use EDO DRAM CS output L active when use SDRAM 46 MADRS12 O DRAM address output 12 47 MADRS11 O DRAM address output 11 48 MADRS10 O DRAM address output 10 49 MADRS9 O DRAM address output 9 50 MADRS8 O DRAM address output 8 OEB O 44 45 43 CASLB O CASUB O Audio IF Subcode IF PLL Power supply Memory IF Power supply Memory IF Pin No Pin Name I O Block Description 51 DVDD4 Digital ...

Page 11: ...ing CH2 Input terminal External PNP Connect to transistor collector External PNP Connect to transistor base RESET output PIN No Pin Name Description Function PIN No Pin Name Description Function 16 17 18 19 20 21 22 23 24 25 26 27 28 CD VIN3 VG3 VO3 VO3 NC NC VO4 VO4 VG4 VIN4 VREF VCC2 RESET Connect to condenser of dalay time setting CH3 Input terminal Gain setting CH3 Input terminal Gain setting ...

Page 12: ...ddresses on the positive going edge of the CLK with RAS low Enables row access precharge Latches column addresses on the positive going edge of the CLK with CAS low Enables column access Enables write operation and row precharge Latches data in starting from CAS WE active Makes data output Hi Z tSHZ after the clock and masks the output Blocks data input when L U DQM active System Clock Chip Enable...

Page 13: ...SC ALC BUFF P DET FF 19k 2 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 IC231 LA1844ML Audio Tuner IC 2 1 24 17 16 3 4 5 6 18 15 7 8 9 10 11 14 19 20 21 22 13 Vssx XIN XOUT FMIN AMIN CE DI CL DO VDD Vssd PD AIN AOUT Vssa IFIN IO1 IO2 BO1BO2 BO3 BO4 PHASE DETECTOR CHARGE PUMP UNLOCK DETECTOR UNIVERSAL COUNTER REFERENCE DIVIDER SWALLOW COUNTER 1 16 1 17 4bits 12bits PROGRAMMABLE DI...

Page 14: ...imer is completed data is set compulsorily CE 2 Chip EnableTerminal Data is written in an internal latch in time for set to L from H and each Analog Switch operates Data transmission is set to Enable on H level DI CL 1 30 Serial Data foe Control and Clock Input Terminal TEST 4 Test Terminal of Electronic Volume Maintain a Vss potential NC 15 16 NO CONNECT Terminal Open or Connect toVss L1 L2 L3 L4...

Page 15: ...820 820 FRONT LED 820 10K 10K 0 0 0 0 0 0 0 1 0 1 1000P 560K 560K 1 2 3 1 2 1 2 3 4 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20...

Page 16: ...A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 OE CASUB CAS WE RAS A4 A5 A6 A7 A8 A9 STREQ CAS D8 D9 D10 D11 D12 D13 D14 D15 D6 D5 D4 D3 D2 D1 D0 D7 WE RAS A0 A1 A2 A3 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 STREQ STCK STDAT STCK CASUB OE A10 A11 A10 A11 STDAT D A B C BASE MECHANISM DA11T3CN LD MD VR LD PD GND T T F F F E LIMIT SW SPINDLE MOTOR SLED MOTOR PICK UP SF P101NR TRCKING COIL FOCUS COIL M M...

Page 17: ... TU_CLK 5 6V TU_DATA GND LID SW GND KEY2 TU_CE GND T002A 94V 0 1AD4B10D3010A J6204 J6200 J6106 J6107 J6110 J6111 J6314 CD_RES 9V CD_CE C6018 C6324 LCD61 R1302 R1303 C1301 R1346 R1344 R1344 R1343 R1343 C1506 C1506 R1310 R1310 C1306 C1306 R1305 R1305 CAN CAN C1319 C1319 R1312 R1312 C1334 C1334 R1330 R1330 C1509 C1509 R1317 R1317 C1332 C1332 R1327 R1327 R1308 R1308 R1353 R1353 R1355 R1355 CAN CAN CAN...

Page 18: ...2 22 16 10K 100P 10K 10K 10K 1000P LC72121M 220 KTC3195 0 01 330 10 50 10 50 68K 0 047 1SS133 100P 100P MTZJ3 0B 1K 100P 1 50 4700P 0 1 56K 4 7 50 47K 0 018 10 50 KRA107M 560P 0 047 10K 18P 1SS133 1SS133 1000P 100 100 3 3K 100P 330P SVC342 MWANT MWOSC 56K 820K 27K220 470K 7 2M 1000P 1SS133 330 0 01 0 47 50 0 01 LA1186N 0 01 100 0 022 18 SVC211 100K 100P 8 2U 1000P 100K SVC211 100K 0 01 0 022 330K ...

Page 19: ...J2200 L2001 IC241 C2151 R2201 R2151 R2131 C2154 C2152 C2152 C2107 C2107 R2103 R2103 R2107 R2107 C2110 C2110 C2141 C2141 C2323 C2323 C2310 C2310 C2318 C2318 C2308 C2308 R2312 R2312R2308 R2308 R2309 R2309C2309 C2309 C2115 C2115 R2302 R2302 C2304 C2304 C2312 C2312 R2306 R2306 R2455 R2455 C2152 C2101 C2107 R2102 R2103 R2106 C2105 R2107 C2111 C2110 R2105 C2109 C2112 C2141 C2114 C2203 C2113 R2110 R2110 ...

Page 20: ...3 10 16 10 16 10K 0 01 KRC102M KRC102M 8 2K 1 5K 5 6K 8 2K 1 5K 5 6K 2 7K 100 10 0 01 0 01 KTA1271 KRC107M 4 7K 1 50 NJM78L05A 1SS133 47 10 0 01 220 25 KTA1271 47K 4 7K 22U 22U 1K 1K 10 25 10 25 1 2K 1 2K 22 16 100P 100P 1K 1K 100P 1K LC75348 220 16 100 22K 100K 22K 56K 27K 100K 3 9K 56K 27K 100K 100K 3 9K 4 7K 10K 10K 4 7K 6 8K 6 8K 0 1 0 1 0 1 0 1 2700P 2700P 1 50 1 50 1 50 1 50 1 50 1 50 1 50 1...

Page 21: ...7 J4327 C4994 D4993 IC446 Q4995 J4130 Q4994 J4339 J4338 J4131 C4701 C4801 CN491 J4104 J4117 J4212 J4321 J4322 C4993 NIP CUT J4221 J4335 J4122 J4318 IC412 J4303 J4107 J4106 J4108 J4304 J4305 J4110 C4715 C4815 C4730 C4912 J4208 J4207 D4984 C4911 Q4996 Q4997 J4323 J4334 J4224 C4930 J4105 R4942 R4710 J4325 J4333 J4113 TO CD C4981 C4981 C4982 C4982 C4983 C4983 C4980 C4980 C4952 C4952 C4803 C4803 R4810 ...

Page 22: ... CN421 HEAD PHONE CN405 4P CN411 2P CN401 2P CN490 8P CN402 2P CN221 4P CN204 2P CN222 10P CN605 2P CN202 CN201 TUNER P W B KEY P W B CD P W B FRONT P W B AM LOOP ANT FM ANT AMPLIFIER P W B POWER TRANSFORMER P W B FU410 T2 5A L 250V CN455 2P CN452 BL CN451 BW P T MOTOR SWITCH R P HEAD RED ORANGE YELLOW BROWN M TAPE DECK MECHANISM WIRING DIAGRAM POWER TRANSFORMER BW BL RE BK T002A 94V 0 1AD4B10D300...

Reviews: