Pioneer XR-A770/KUCXJ Page 21 Service Manual Download

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XR-A880, XR-A770

SW ASSY
(AWZ8429)

C8371

100/10

L8371 47

J8502

CN8005- Pin 1 :
PLAY MODE (RF)

VREF:CN8005- Pin3

VREF

1.8Vp-p

CN8005- Pin 2 :
TEST MODE,
Tracking Open(TRER)

1.0Vp-p

H : 500nsec/div

H : 5msec/div

VREF

Note: The encircled numbers
denote measuring point in the
schematic diagram.

2/3

CN1052

C8257

0.1

2SD1858X

2SB1237X

0.047

C8256 0.1

C8255 0.1

C8308

1000p

C8307

1000p

0.047

B D

Summary of Contents for XR-A770/KUCXJ

Page 1: ...RATION 1998 RRV2065 CONTENTS T ZZK DEC 1998 Printed in Japan 1 SAFETY INFORMATION 2 2 EXPLODED VIEWS AND PARTS LIST 4 3 SCHEMATIC DIAGRAM 16 4 PCB CONNECTION DIAGRAM 34 5 PCB PARTS LIST 49 6 ADJUSTMENT 57 7 GENERAL INFORMATION 63 7 1 PARTS 63 7 1 1 IC 63 7 1 2 DISPLAY 69 7 2 DISASSEMBLY 71 7 3 BLOCK DIAGRAM 74 8 PANEL FACILITIES AND SPECIFICATIONS 76 STEREO CD CASSETTE DECK RECEIVER XR A880 XR A77...

Page 2: ...not evident from visual inspection nor the protection afforded by them necessarily can be obtained by using replacement components rated for voltage 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 on the schematics and on the parts list in this Service Man...

Page 3: ...n the test mode Laser diode oscillation will continue if pin 62 of LA9240ML IC8101 on the CD ASSY mounted on the M Loading Mechanism assembly is connected to GND or else the terminals of Q8101 are shorted to each other fault condition 2 When the cover is opened close viewing of the objective lens with the naked eye will cause exposure to a Class 1 laser beam Refer to page 62 IMPORTANT THIS PIONEER...

Page 4: ...W E R 6 1 3 7 9 1 2 8 1 2 8 2 2 9 2 2 10 2 13 14 11 15 4 5 KUCXJ Type Only KUCXJ Type Only KUCXJ Type Only YPWXJ Type Only 12 9 13 2 EXPLODED VIEWS AND PARTS LIST NOTES Parts marked by NSP and can not be supplied The 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 Screws adjacent to ...

Page 5: ...R A880 KUCXJ YPWXJ XR A770 KUCXJ and YPWXJ are constructed the same except for the following Mark No Symbol and Description Part No Remarks XR A880 XR A880 XR A770 XR A770 KUCXJ YPWXJ KUCXJ YPWXJ 4 Remote Control Unit CU XR050 XZN3008 XZN3008 Not used Not used 4 Remote Control Unit CU XR049 Not used Not used XZN3007 XZN3007 8 Front Pad XHA3005 XHA3009 XHA3005 XHA3009 9 Rear Pad XHA3006 XHA3010 XHA...

Page 6: ... 12 Note Attatch on the same numbers three Refer to 2 5 M MECHANISM CD Note Hook Tray cap on top of loading tray and then insert the bottom three hooks 9 9 11 15 11 15 11 1 6 4 5 7 14 13 3 3 XR A770 Only 9 8 17 16 18 18 10 KUCXJ Type only 19 ...

Page 7: ...w VBT30P080FZK 12 Disc Label XAX3127 13 Jog Knob Assy XXG3023 14 Bass Knob XAB3005 15 Screw BCZ30P080FZK NSP 16 Cord Stopper DNF1128 17 Push Rivet AEC7138 18 Cushion Rubber XEB3002 19 65 Label See Contrast table 2 2 CONTRAST TABLE XR A880 KUCXJ YPWXJ XR A770 KUCXJ and YPWXJ are constructed the same except for the following Mark No Symbol and Description Part No Remarks XR A880 XR A880 XR A770 XR A...

Page 8: ...c a a b a c d Refer to 2 4 FRONT PANEL SECTION 8 17 19 19 19 29 22 7 11 33 19 19 13 27 35 XR A880 ONLY 27 16 34 30 38 28 28 2 3 5 4 9 10 14 15 25 36 21 19 31 32 37 41 42 18 20 1 19 24 XR A770 only XR A880 only 24 19 24 19 24 24 24 24 24 11 22 39 40 A A 19 26 YPWXJ Type only ...

Page 9: ... Contrast table 2 38 Mica Sheet XEE3002 39 Locking Spacer XEC3009 40 Card Spacer XEC3008 41 Push Rivet See Contrast table 2 42 Shield Plate See Contrast table 2 Mark No Description Part No 2 CONTRAST TABLE XR A880 KUCXJ YPWXJ XR A770 KUCXJ and YPWXJ are constructed the same except for the following Mark No Symbol and Description Part No Remarks XR A880 XR A880 XR A770 XR A770 KUCXJ YPWXJ KUCXJ YPW...

Page 10: ... 2 4 FRONT PANEL SECTION 17 17 26 32 23 15 18 19 21 21 33 30 31 27 13 14 16 25 24 35 2 1 6 7 17 8 36 34 2 2 34 1 2 37 20 28 44 43 45 17 6 38 XR A880ONLY Refer to 2 7 MECHANISM UNIT 40 12 17 17 10 46 9 17 3 5 42 41 39 A A ...

Page 11: ... 2 34 Power Button XZN3022 35 Play Button XZN3024 36 S C Button XZN3025 37 TIMER Button XZN3029 38 Sub Buttun XAD3012 39 Dolby Lens See Contrast table 2 40 Diffusion Sheet XAK3035 41 Dolby Panel See Contrast table 2 42 Button Lens See Contrast table 2 NSP 43 Front Panel Assy B See Contrast table 2 44 Sub Panel B See Contrast table 2 45 Front Panel B See Contrast table 2 46 Binder ZCA SKB90BK 2 CON...

Page 12: ...12 XR A880 XR A770 2 5 M MECHANISM CD 8 7 14 13 12 26 15 21 25 22 24 23 11 5 2 1 10 16 18 29 29 6 17 19 Refer to 2 6 SERVO MECHANISM ASSY 9 3 29 29 29 27 28 29 29 29 29 30 ...

Page 13: ...8 Planet Gear ANW7096 19 Actuater ANW7097 20 21 15P F F C 30V ADD7038 22 Connector Assy 6P ADE7010 23 Float Rubber A AEB7063 24 Float Rubber B AEB7066 25 Servo Mechanism Assy AXA7039 26 Screw IPZ30P080FMC 27 Carriage Motor VXM1033 28 Motor Pulley PNW1634 29 Ha Narl GEM1016 30 Cushion Rubber XEB3003 1 Servo Mechanism AXA7039 2 SPINDLE MOTOR Assy AEA7009 3 SLEAD MOTOR Assy AEA7010 4 Gear A AEA7013 5...

Page 14: ...14 XR A880 XR A770 1 10 13 12 Mech Ι Mech ΙΙ Mech ΙΙ Mech Ι Mech ΙΙ Only Mech Ι Only Mech ΙΙ Only 2 9 4 3 7 2 7 MECHANISM UNIT ...

Page 15: ...ech ΙΙ F513 811 3 Motor Main BLK Mech ΙΙ only F525 324 4 PCB Control BLK F567 621 5 Clutch Assy BLK F522 037 6 Main Belt FF17G 31 7 Joint Belt 113 Mech ΙΙ only FF19D 21 8 Clutch Assy BLK F522 045 9 Roller Pinch BLK R F514 129 10 Roller Pinch BLK L F514 130 11 F R Belt FF18W 12 12 Plate Base BLK F512 127 13 Plate Base BLK F512 128 ...

Page 16: ...SSY XR A880 XWZ3134 XR A770 XWZ3114 DISPLAY ASSY XR A880 KUCXJ XWZ3135 XR A770 KUCXJ XWZ3117 XR A880 YPWXJ XWZ3142 XR A770 YPWXJ XWZ3143 SERVO MECHANISM ASSY AXA7039 E CD ASSY XWZ3141 CN8001 CN8002 DECK MECHA B I SUB DISPLAY ASSY XR A880 XWZ3132 XR A770 XWZ3112 K FM AM TUNER MODULE AXQ7065 A E 3 3 E ...

Page 17: ...SSY XR A880 XWZ3195 XR A770 XWZ3194 L SECONDARY ASSY XWZ3137 F CD SW LED ASSY XWZ3131 J PRIMARY ASSY KUCXJ TYPE XWZ3118 YPWXJ TYPE XWZ3115 G SUB TRANS ASSY KUCXJ TYPE XWZ3119 YPWXJ TYPE XWZ3116 H MOTOR ASSY AWZ8428 C SW ASSY AWZ8429 D TRADE ASSY XWZ3140 M PRO LOGIC ASSY XWZ3133 N XR A880 ONLY XR A880 XR A880 XR A770 XR A770 YPWXJ TYPE KUCXJ TYPE KUCXJ TYPE ONLY ...

Page 18: ...XR A880 XR A770 18 A B C D 1 2 3 4 1 2 3 4 3 2 FM AM TUNER MODULE RF AMP 1T378A 1T378A MIX AMP BUFFER IF AMP FM B SW MW RF TUNING BLOCK AKX7041 OSC FM AM TUNER MODULE AXQ7065 A ...

Page 19: ...XR A880 XR A770 19 A B C D 5 6 7 8 5 6 7 8 AF AMP REGULATOR PLL AF AMP 2 3 E CN3051 A ...

Page 20: ...XR A880 XR A770 20 A B C D 1 2 3 4 1 2 3 4 3 3 CD MOTOR and SW ASSEMBLIES B CD ASSY SERVO MECHANISM ASSY AXA7039 C MOTOR ASSY AWZ8428 J8502 D20PWW0405E 56k R8123 CARRIAGE MOTOR XWZ3141 B C ...

Page 21: ... RF VREF CN8005 Pin3 VREF 1 8Vp p CN8005 Pin 2 TEST MODE Tracking Open TRER 1 0Vp p H 500nsec div H 5msec div VREF 1 2 Note The encircled numbers denote measuring point in the schematic diagram 2 3 E CN1052 C8257 0 1 2SD1858X 2SD1858X 2SB1237X 2SB1237X 0 047 C8256 0 1 C8255 0 1 YB YB C8308 1000p C8307 1000p 0 047 B D ...

Page 22: ...1 2 3 4 1 2 3 4 3 4 AF ASSY 1 3 1 3 AF ASSY XR A880 XWZ3134 XR A770 XWZ3114 DECK PB SIGNAL ROUTE E PB DECK REC SIGNAL ROUTE REC PB PB PB PB PB REC REC REC REC REC REC REC PB 22k 22k 0 022 C2323 0 022 33k 33k 220k 220k 0 01 1 3 E ...

Page 23: ...XR A880 XR A770 23 A B C D 5 6 7 8 5 6 7 8 2 3 E 2 3 E 2 3 E REC REC REC REC REC PB PB PB PB PB PB PB 22k 22k IC2101 2 2 BA4558F HT IC2101 1 2 BA4558F HT 1 3 E ...

Page 24: ... R3020 XR A880 1 8k XR A770 3 9k BA4558F HT BA4558F HT BA4558F HT 22p 1 100k 180k XR A880 ONLY 3 3 E CN83 H CN3702 M CN5501 I CN8004 B TA TA TA TA CD CD CD CD CD PB PB PB PB PB PB PB C C B B B B B C C T C C C C B B B B F W F W B B F W F W F W B C S T S T S T S T S T S S S PRO PRO PRO B C T T 2 3 E ...

Page 25: ...4 3 3 AUDIO SIGNAL ROUTE E 3 3 E 3 3 E 3 3 E 3 3 E E CD AUDIO SIGNAL ROUTE CD CENTER SIGNAL ROUTE C SURROUND TWEETER SIGNAL ROUTE S T FRONT WOOFER SIGNAL ROUTE F W PRO LOGIC SIGNAL ROUTE PRO BASS BLASTER SIGNAL ROUTE B TUNER AUDIO SIGNAL ROUTE TA DECK PB SIGNAL ROUTE PB DECK REC SIGNAL ROUTE REC 3 3 E 1 3 E CN6201 A TA TA PB PB REC REC REC REC REC REC REC PB B B B B B B B B B W W W W W W W W B B F...

Page 26: ... BA4558F HT BA4558F HT BA4558F HT BA4558F HT 2 2 50 2 2 50 2 2 50 2 2 50 4 7k 4 7k 2 2 50 D3674 U1GC44 D3673 2 2 50 1 2 2 2 1 2 2 2 100k 100k 2 3 E 2 3 E 120k 120k 120k 120k 1 2 2 2 BA4558F HT 2SC5200 P BA4558F HT C3315 C3316 XR A880 820p XR A770 470p CENTER SIGNAL ROUTE C SURROUND TWEETER SIGNAL ROUTE S T FRONT WOOFER SIGNAL ROUTE F W C C C S T S T S T C C S T S T S T S T C C C S T F W F W F W F ...

Page 27: ...TYPE NO 491 400 MFD BY LITTELFUSE INK FOR IC23 AEK7004 CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 4911 25 MFD BY LITTELFUSE INK FOR IC3331 AEK7010 CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 491002 MFD BY LITTELFUSE INK FOR IC33 AEK7013 CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYP...

Page 28: ...3 4 3 7 PRIMARY and SUB TRANS ASSEMBLIES H SUB TRANS ASSY KUCXJ TYPE AWZ3119 YPWXJ TYPE AWZ3116 J81 G PRIMARY ASSY KUCXJ TYPE XWZ3118 YPWXJ TYPE XWZ3115 KUCXJ TYPE XTS3029 YPWXJ TYPE XTS3018 2 3 E 10000p 250 POWER TRANSFORMER YPWXJ ONLY G H ...

Page 29: ...7 8 AN1 LIVE NEUTRAL KUCXJ REK1085 6 3A YPWXJ AEK1060 T4A KUCXJ AKP7032 YPWXJ BKP1046 KUCXJ ONLY KUCXJ ONLY YPWXJ ONLY NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE WITH SAME TYPE AND RATINGS ONLY CAUTION H ...

Page 30: ...52 1SS181 DISPLAY ASSY S5911 DISPLAY S5912 TIMER CLOCK ADJ S5913 ENTER S5914 P BASS XR A880 BALANCE XR A770 S5915 ZOOM SURROUND S5916 BASS BLASTER S5917 EQUALIZER S5918 PRESET S5919 STANDBY ON S5920 TUNING S5921 TUNING S5922 STOP S5923 PLAY PAUSE S5924 REC STOP S5925 FREQ STATION S5926 Dolby NR ON OFF S5927 ASES COPY S5928 AUX S5929 TAPE Ι ΙΙ S5930 TUNER BAND S5931 CD S5951 VOLUME S5952 SOUND MORP...

Page 31: ...R A770 ONLY D5553 D5554 1SS181 D5555 D5556 1SS181 D5557 D5560 1SS181 D5561 D5568 1SS181 XR A880 ONLY XR A880 470 XR A770 1k CN5502 52045 1445 CN5501 52045 3845 CN2901 52045 1945 DECK MECHA CD SW LED ASSY S5937 OPEN CLOSE S5938 DISC CHANGE S5939 DISC 3 S5940 DISC 2 S5941 DISC 1 KUCXJ ONLY I J ...

Page 32: ... ASSY XR A880 XWZ3195 XR A770 XWZ3194 K SUB DISPLAY ASSY XR A880 XWZ3132 XR A770 XWZ3112 CN3401 3 3 E CN5502 I CENTER SIGNAL ROUTE C C C C C C C S T S T C C S T S T S T S T S T S T S T S T SURROUND TWEETER SIGNAL ROUTE S T SUB DISPLAY ASSY S5401 60Hz level control S5402 120Hz level control S5403 WOOFER level control XR A770 ONLY S5404 P BASS ON OFF XR A770 S5404 PRO LOGIC MODE XR A880 K L ...

Page 33: ... 1 2 3 4 M N 3 10 TRADE and PRO LOGIC ASSEMBLIES XR A880 ONLY KP200TA13L N PRO LOGIC ASSY XWZ3133 M TRADE ASSY XWZ3140 CN3701 3 3 E CENTER SIGNAL ROUTE C PRO LOGIC SIGNAL ROUTE PRO PRO PRO PRO PRO PRO SURROUND SIGNAL ROUTE S C C C C S S ...

Page 34: ... parts for several destinations For further information for respective destinations be sure to check with the schematic diagram 4 View point of PCB diagrams Symbol In PCB Diagrams Symbol In Schematic Diagrams Part Name B C E D D G G S S B C E B C E D G S B C E B C E B C E Transistor Transistor with resistor Field effect transistor Resistor array 3 terminal regulator Capacitor Connector P C Board C...

Page 35: ... 1 2 3 4 1 2 3 4 4 1 FM AM TUNER MODULE VR6201 Q6203 Q6204 Q6304 Q6306 Q6401 Q6303 Q6302 Q6301 Q6214 Q6402 Q6403 Q6404 Q6202 Q6201 IC6202 IC6201 Q6205 CN3051 E FM AM TUNER MODULE A FM AM TUNER MODULE A ANP7159 B SIDE A SIDE B A ...

Page 36: ...XR A770 36 A B C D 1 2 3 4 1 2 3 4 4 2 CD MOTOR and SW ASSEMBLIES SW ASSY D MOTOR ASSY C CD ASSY B CN1052 E PICKUP ASSY LOADING MOTOR SERVO MECHANISM ASSY ANP7144 E Q8101 Q8254 Q8252 Q8251 Q8253 M SIDE A B C D ...

Page 37: ...XR A880 XR A770 37 A B C D 1 2 3 4 1 2 3 4 B C D SIDE B SW ASSY D MOTOR ASSY C CD ASSY B ANP7144 E IC8201 IC8101 IC8301 ...

Page 38: ...XR A880 XR A770 38 A B C D 1 2 3 4 1 2 3 4 4 3 AF ASSY CN3702 M CN83 H FAN MOTOR J11 J11 F VR280 Q3081 Q3081 Q54 IC32 Q51 Q52 Q57 IC23 Q21 Q22 Q34 Q31 IC42 IC51 IC AF ASSY E E ...

Page 39: ...XR A880 XR A770 39 A B C D 5 6 7 8 5 6 7 8 CN5501 I CN6201 A J3401 L MECHANISM UNIT CN8004 B XNP3009 B VR2301 VR2306 VR2802 VR2801 IC2301 Q51 Q52 Q57 Q2801 Q2804 IC3301 Q2802 IC51 IC3331 E SIDE A ...

Page 40: ... A B C D 1 2 3 4 1 2 3 4 E SIDE B IC5892 Q2802 Q2306 Q3607 Q2805 Q2807 Q2105 Q2104 IC2201 Q5751 IC3 Q2203 Q2204 Q3311 Q3314 Q5752 IC2101 Q2301 Q3622 Q3611 Q3606 Q3605 Q3353 Q3354 Q2103 IC5751 IC5751 IC3 IC5891 AF ASSY E ...

Page 41: ...XR A880 XR A770 41 A B C D 5 6 7 8 5 6 7 8 E XNP3009 B 5751 Q3101 Q3102 IC3001 IC3101 IC3103 Q2203 Q2204 Q56 Q53 Q55 3311 Q3314 Q5752 5751 IC5751 IC3381 IC34 Q33 Q3401 Q3403 IC3201 IC3203 Q3202 Q3201 ...

Page 42: ...XR A880 XR A770 42 A B C D 1 2 3 4 1 2 3 4 4 4 SECONDARY ASSY XNP3009 B IC41 IC71 IC21 IC22 IC31 Q71 J11 E T1 POWER TRANSFORMER SECONDARY ASSY F SECONDARY ASSY F F SIDE A SIDE B ...

Page 43: ...XR A880 XR A770 43 A B C D 1 2 3 4 1 2 3 4 H G 4 5 PRIMARY and SUB TRANS ASSEMBLIES XNP3013 B J81 E AC IN T1 POWER TRANSFORMER PRIMARY ASSY G SUB TRANS ASSY H LIVE NEUTRAL SIDE A ...

Page 44: ...XR A880 XR A770 44 A B C D 1 2 3 4 1 2 3 4 4 6 DISPLAY and CD SW LED ASSEMBLIES XNP3013 B CN5102 E MECHANISM UNIT DISPLAY ASSY I CD SW LED ASSY J CN5401 K SIDE A I J ...

Page 45: ...A880 XR A770 45 A B C D 1 2 3 4 1 2 3 4 I J Q2901 Q2903 Q2906 Q2908 IC5601 IC5501 IC5631 IC3901 IC3931 Q2904 Q5502 Q5501 Q5601 Q5604 Q2910 Q5821 Q5606 Q5605 XNP3013 B DISPLAY ASSY I CD SW LED ASSY J SIDE B ...

Page 46: ...XR A880 XR A770 46 A B C D 1 2 3 4 1 2 3 4 4 7 REAR AMP TRADE and PRO LOGIC ASSEMBLIES XNP3013 B XNP3009 B XNP3009 B CN3701 E CN3401 E PRO LOGIC ASSY N TRADE ASSY M REAR AMP ASSY L L M N SIDE A ...

Page 47: ...XR A880 XR A770 47 A B C D 1 2 3 4 1 2 3 4 L N SIDE B REAR AMP ASSY L PRO LOGIC ASSY N XNP3009 B XNP3013 B ...

Page 48: ...XR A880 XR A770 48 A B C D 1 2 3 4 1 2 3 4 4 8 SUB DISPLAY ASSY IC5411 Q5411 Q5415 XNP3013 B CN5502 I SUB DISPLAY ASSY K SIDE A SIDE B K ...

Page 49: ...F 107 F6203 ATF 119 A F6401 ATF 155 F6206 ATF7008 F6202 ATF7011 L6206 L6208 L6403 LAU2R2J TRANSFORMERS T6201 ATB7008 T6401 ATE7002 CAPACITORS C6208 CCSQCH100D50 C6212 C6274 C6275 C6408 CCSQCH101J50 C6412 CCSQCH102J50 C6221 C6222 C6416 CCSQCH150J50 C6271 CCSQCH200J50 C6415 CCSQCH330J50 C6406 CCSQCH331J50 C6401 C6419 CCSQCH5R0C50 C6407 CCSQCK1R0C50 C6410 CCSQCK2R0C50 C6413 CCSQRH180J50 C6414 CCSQRH8...

Page 50: ...RRIAGE MOTOR VXM1033 SW ASSY SWITCHES AND RELAYS S8502 ASG7009 S8501 DSG1017 OTHERS J8501 JUMPER WIRE 6P D20PWY0610E C6224 CEAT100M50 C6243 CEAT101M16 C6231 CEAT1R0M50 C6227 CEAT220M25 C6214 C6236 CEAT2R2M50 C6262 CEAT3R3M50 C6219 CEAT470M10 C6244 CEAT470M16 C6249 C6250 C6265 C6266 CEAT4R7M50 C6258 CEJA470M16 C6215 CFTLA103J50 C6211 C6254 C6403 C6417 CKSQYB102K50 C6201 C6205 C6210 C6237 C6276 CKSQ...

Page 51: ...0pF ACG7024 C2301 C2302 CCSQCH100D50 C2192 CCSQCH220J50 C38 CCSQCH331J50 C3319 C3320 CCSQCH3R0C50 C3321 C3322 CCSQCH470J50 C33 CEAL100M50 C3621 CEAL2R2M50 C3311 C3312 CEANL2R2M50 C3317 C3318 CEANP100M35 C3313 C3314 CEANP2R2M50 C2207 C2803 C2810 C3041 C3042 CEAT100M50 C3047 C3048 C3081 C3091 C3093 CEAT100M50 C3450 C36 C3602 C51 CEAT100M50 C2002 C2316 CEAT101M16 C3651 CEAT101M35 C3303 C3304 C3622 C5...

Page 52: ...HEADPHONE JACK XKN3002 AF ASSY XWZ3114 SEMICONDUCTORS IC23 400mA AEK7004 IC3331 1 25A AEK7010 IC33 2A AEK7013 IC2101 IC3101 IC3103 IC3201 BA4558F HT IC3202 IC3381 IC34 IC3421 IC5691 BA4558F HT IC3203 BU4066BCF IC5891 IC5892 BU4094BCF IC2201 HA12136AF IC2301 HA12211NT IC3001 LC75396NE IC42 NJM7805FA IC32 NJM7812FA IC3301 STK407 090B Q3354 Q3601 Q3621 Q55 2SA1037K Q2806 2SB1197K Q22 2SB1375 Q2803 Q2...

Page 53: ...CKSQYB223K50 C3029 C3030 CKSQYB273K25 C2808 C2809 CKSQYB332K50 C2333 C2334 CKSQYB392K50 C3315 C3316 CKSQYB471K50 C2807 CKSQYB472K50 C3111 C3112 C5891 CKSQYB473K25 C3201 C3202 CKSQYB562K50 C2307 C2308 C2331 C2332 CKSQYB681K50 C3013 C3014 CKSQYB681K50 C3019 C3020 C3031 C3032 CKSQYB682K50 C3323 C3324 CKSQYB682K50 C3025 C3026 CKSQYB683K25 C3331 C3333 CKSQYF104Z50 C2194 C37 CKSQYF105Z16 C2801 CQHA822J2...

Page 54: ...AST TABLE XWZ3135 and XWZ3142 are constructed the same except for the following 2 PARTS LIST FOR XWZ3135 SEMICONDUCTORS IC5631 BA3835F IC5601 BU2092F IC5501 PDC049A Q5501 2SA1037K Q2903 Q2906 Q2908 2SB1132 Q5604 Q5801 2SC2412K Q2910 Q2911 DTA124EK Q5606 DTC124EK Q2901 Q2904 Q2907 Q5502 Q5603 DTC143EK Q5821 DTC143EK D5592 D5593 D5811 1SS133 D5551 D5554 D5557 D5568 1SS181 D2901 D2903 D5569 D5570 D55...

Page 55: ... RELAYS S5937 S5941 XSG3001 RESISTORS All Resistors RS1 10S J OTHERS J5501 JUMPER WIRE D20PWW0615E RESISTORS R5529 470Ω ACN7056 R5554 R5556 R5561 R5562 1 5kΩ ACN7062 R5558 R5563 R5564 47kΩ ACN7077 R5508 RA11T104J R5506 RA7T104J R2907 R2909 R2910 R5611 R5919 RD1 4PU102J R5915 RD1 4PU181J R5925 RD1 4PU331J R5605 R5606 R5612 R5613 R5926 RD1 4PU561J R2902 R5604 R5607 R5610 RD1 4PU681J R5927 RD1 4PU821...

Page 56: ...2 1SS133 CAPACITORS C3727 CCSQCH681J50 C3741 C3744 CEANL3R3M50 C3737 C3739 C3746 C3748 CEANL4R7M50 C3703 C3706 C3709 C3715 CEAT100M50 C3718 C3720 C3732 C3733 CEAT100M50 C3707 C3708 C3713 C3716 CEAT221M10 C3726 CEAT221M6R3 C3717 CEAT2R2M50 C3731 CEAT470M10 C3721 CEATR33M50 C3722 C3736 C3738 C3747 C3749 CEATR47M50 C3701 C3702 CFTLA104J50 C3740 C3742 C3743 C3745 CFTLA154J50 C3730 CFTLA474J50 C3750 C3...

Page 57: ... g n i r b m e h t n e e w t e b p a g a s i e r e h t f I 2 0 4 6 L d n a 1 0 4 6 L n e e w t e b p a g o n s i e r e h t e r u s e k a m g n i t s u j d a e r o f e B s t n e m t s u j d a e k a m n e h t d n a t s r i f r e h t o p e t S o N t n e m t s u j d A e l t i T d o M 0 3 z H 0 0 4 G S M A n o i t p e c e R y c n e u q e r F y a l p s i D t n e m t s u j d A n o i t a c o L s n o i t a...

Page 58: ...Bias Adjustment 3 Recording Level Adjustment 4 ALC Operation Check As the reference recording level is 250nwb m for STD 331E the recording level will be higher by 4 dB for STD 331B 160nwb m When adjusting pay carefull attention to the type of tape used 6 2 CASSETTE DECK SECTION Adjustment points and test points are shown in Fig 3 Fig 5 and Fig 7 Mechanical Adjustment Test tape NCT 111 3kHz 30min 1...

Page 59: ... B d 0 2 k c e D I h t u m i z a d a e H t n e m t s u j d a 5 g i F w e r c s T S E T E P A T h c R L T N I O P y s s A F A k c a b y a l p x a M l e v e l l a n g i s o t d n o b n o c i l i s y l p p a t n e m t s u j d a r e t f A w e r c s t n e m t s u j d a h t u m i z a d a e h e h t k c e D I I p e t S e d o M l a n g i S t u p n I e p a T t s e T s t n i o P g n i t s u j d A t n e m e r...

Page 60: ...d r o c e r s l a n g i s z H k 0 1 w o l e b e t o N e h t e e s k c e D I I T S E T E P A T h c R L T N I O P y s s A F A l e v e l k c a b y a l p l i t n u t n e m t s u j d a t a e p e R 0 n i h t i w s i l a n g i s z H k 0 1 e h t f o B d 5 0 l a n g i s z H 5 1 3 e h t f o t a h t m o r f K C E D I h c L 1 0 8 2 R V h c R 2 0 8 2 R V p e t S e d o M e p a T t s e T l a n g i S t u p n I s ...

Page 61: ...61 XR A880 XR A770 A VR2302 VR2802 VR2303 VR2305 VR2304 TAPE TEST POINT Fig 7 Adjustment and Measurement Points FRONT L ch R ch VR2306 VR2801 L2801 VR2301 SIDE A AF ASSY ...

Page 62: ...CLOSE OPEN Tracking servo STOP all operations TEST DISC YEDS 7 STANDBY ON CD TEST Short Point CD TEST Short Point inwards outwards Pickup Move TEST MODE ON TEST MODE PLAY TEST MODE STOP CANCEL How to Start Cancel Test Mode Test Point 6 3 TEST MODE NOTE There is no information to be shown in this CD adjustment DISPLAY ASSY CD TEST Bottom Side SIDE B REC STOP PLAY PAUSE ...

Page 63: ...C E R H 5 F F O N O R N F F O N O R N r o f n i p l o r t n o c e d o M F F O R N L N O R N H 3 1 S A I B s r e t l i f e v i t c a e h t r o f n i p t u p n i t n e r r u c e c n e r e f e R 6 T U O B P t u p t u o e d o c e D k c a b y a l P 4 1 N I B P t u p n i e d o c e D k c a b y a l P 7 T E D r o t c e t e d l e v e l e h t r o f n i p t n a t s n o c e m i T 5 1 D N G d n u o r G 8 T U O ...

Page 64: ... f e r r e z i l a u q E 1 1 R F N B P 6 2 R X U A t u p n i Q E C E R 2 1 L Q E B P t u p t u o B A N 7 2 L X U A 3 1 R Q E B P 8 2 R E P A T 4 1 L A l a C B P t n e m t s u j d a n i a g r o f t u p n i k c a b d e e F 9 2 L E P A T 5 1 R A l a C B P 0 3 D N G n i p D N G LC75396NE AF ASSY IC3001 Electrical Volume IC Block Diagram 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27...

Page 65: ...R E M I T O r e m i t r o f l o r t n o c D E L 3 7 2 F L A H S O I e d o n a l o r t n o c y a l p s i d L F 4 2 2 Y E K I t u p n i y e k t n o r F 4 7 1 _ 2 O r C S O I 5 2 N I E P S I t u p n i l a n g i s r e z y l a n a m u r t c e p S 5 7 2 _ 2 O r C S O I 6 2 3 Y E K I t u p n i y e k t n o r F 6 7 N O N A C S O l o r t n o c t u p n i n a c s y e K 7 2 Q R W D C I t u p n i l a n g i s K ...

Page 66: ... 4 S S V V V 0 o t d e t c e n n o c e b t s u M n i p d n u o r g O C V l a n r e t n I 5 T E S I I A n i p n o i t c e n n o c r o t s i s e r t n e m t s u j d a t n e r r u c t u p t u o O D P 6 D D V V n i p y l p p u s r e w o p O C V l a n r e t n I 7 R F I A t n e m t s u j d a e g n a r y c n e u q e r f O C V 8 S S V V 0 o t d e t c e n n o c e b t s u M n i p d n u o r g m e t s y s l a...

Page 67: ... t u p t u o l e n n a h c t h g i R 1 4 D D V R n i p y l p p u s r e w o p l e n n a h c t h g i R 2 4 8 T N O C R E T U M O n i p t u p t u o e t u m l e n n a h c t h g i R 3 4 D D V X n i p y l p p u s r e w o p r o t a l l i c s o l a t s y r C 4 4 T U O X O n i p t n e m e l e r o t a l l i c s o l a t s y r c z H M 4 4 3 9 6 1 a r o f s n o i t c e n n o C 5 4 N I X I 6 4 S S V X V 0 o t d...

Page 68: ...Y OUT OSC L BPF1 RT IN LT IN DC OUT C MODE GND NS BPF1 NS BPF2 OSC CLK DATA ENABLE DATA V SS CLK L BPF2 R BPF1 S DC OUT C DC OUT R DC OUT L DC OUT S IN C OUT S OUT R OUT L OUT AC GND L IN V CC V REF R IN R BPF2 L BPF3 20kΩ 20kΩ BPF RECT RECT VOL B NR ADM S RAM DEV OSC VOL PG R L R S S S L R S L R R S C L L R L LOGDIFF BFL CONT ADM CONT OUT FILTER DC OUT STRIM VOL MUTE IN FILTER NOISE FIL DATA DEC ...

Page 69: ...PLAY ASSY V5621 FL Display Pin Assignment Grid Assignment 1G 2G 3G 4G 5G 6G 7G 8G 9G 16G 2G 2G to 9G 7G 9G 16G to 10G 9G s t u w d1 d2 S3 S2 S4 S5 S1 B26 B13 B20 B7 B14 B1 a1 a2 d1 d2 D1 D1 D2 a1 f b k h r p n e c j a2 S6 S7 g m 15G 14G 13G 12G 11G 10G ...

Page 70: ... e r p n d1 d2 S7 S2 S3 S4 S5 10G to 16G B14 B15 B16 B17 B18 B19 B20 B21 B1 B2 B3 B4 B5 B6 B7 B8 B22 B23 B24 B25 B9 B10 B11 B12 B26 B13 S1 Pin Connection Pin No Connection F2 53 F2 52 F2 51 NP 50 NP 49 1G 48 2G 47 3G 46 4G 45 5G 44 6G 43 7G 42 8G 41 9G 40 10G 39 11G 38 12G 37 13G 36 14G 35 15G 34 16G 33 P1 32 P2 31 P3 30 P4 29 P5 28 P6 27 Pin No Connection P7 26 P8 25 P9 24 P10 23 P11 22 P12 21 P1...

Page 71: ...n be pulled out when the main cam is in this position The Lock Lever should be in the notch of the Main Cam 7 2 DISASSEMBLY M MECHANISM CD 2 1 3 7 2 5 3 1 3 1 3 1 4 6 8 12 3 3 1 3 Bonnet Case Unhook Tray Cap M Mechanism CD 11 9 10 Release the jumper wire from Cord Stopper ...

Page 72: ... AM TUNER MODULE SUB TRANS Assy TRADE Assy XR A880 only PRO LOGIC Assy XR A880 only PRIMARY Assy SECONDARY Assy 5 4 3 Unhook 1 Unhook 2 Mechanism Unit Release the jumper wire from Clip B SUB DISPLAY Assy Front Side M MECHANISM CD ADDITIONAL TO JOB Mechanism Base Bottom View 3 2 1 2 ...

Page 73: ...hanism CD Actuater Hook Hook Servo Mechanism Assy Servo Base Hook Carriage Motor Motor Pulley Servicing pulley press in station Loading Tray For replacement of the carriage motor fit the motor pulley by using the servicing pulley press in station located on the loading tray as shown in the figure on the right 1 2 1 2 1 1 2 ...

Page 74: ...3 8dB 2dB 8dB 2dB 6dB 5 HA12211NT HA12136AF DOLBY NR Vref Vref 19 14 11 4 Vref Vref BASS BLASTER REAR CENTER TRIM 10dB To R ch From R ch IC3001 DUMMY LC75396 ZOOM SURROUND BASS BLASTER BASS TREBLE 53 55 52 54 50 49 45 46 48 47 35 45 24 22 VR2305 Vref E IC3701 N Q2301 E IC2301 E IC2201 E E A B 7 3 BLOCK DIAGRAM ...

Page 75: ...R A770 5dB XR A880 5dB XR A770 8dB 34 33 30 31 28 TAPE DECK REC TAPE DECK REC IN HA12136AF MPX DOLBY NR Vref Vref Vref Vref HA12211NT 16 9 27 2 IC2201 E IC2301 E VR2301 E F2201 E IC3381 E IC3421 E IC3951 IC3202 XR A880 ONLY IC3201 LPF HPF E IC3203 XR A770 ONLY DOLBY PROLOGIC OFF DOLBY PROLOGIC ON E E E IC3401 L IC3301 E RY3601 E CN3901 HEAD PHONE E ...

Page 76: ...I Eject button 0 TAPE I cassette door Dolby Ÿ NR ON OFF button Volume control VOLUME DISPLAY button ENTER button S M JOG Sound Morphing JOG TIMER CLOCK ADJ button PHONES jack Headphones TAPE II Eject button 0 ª TAPE II cassette door º BASS BLASTER button indicator PRESET button indicator EQUALIZER button indicator Ÿ ZOOM SURROUND button indicator P BASS DEMO button XR A770 BLANCE DEMO button TIMER...

Page 77: ...rs XR A880 Display section 7 5 6 9 8 0 5 Displays timer function indications 6 Indicates CD function status 7 Lights during recording 8 Lights during ASES operation 9 Lights during Sleep Timer operation 0 Indicates tuner operation status Displays a wide range of operation status indications Lights when BEAT CUT 2 is selected Indicates tuner reception status Indicates SOUND MORPHING status Indicate...

Page 78: ...P Stop button Fast forward track search button 1 4 Fast reverse track search button During cassette deck input PLAY PAUSE Play button Tape transport direction STOP Stop button Fast forward button Music search button 1 4 Rewind button Music search button During tuner operation PLAY PAUSE MEMORY STATION MEMORY button Frequency Station up button 1 4 Frequency Station down button 7 Auto Play Function ...

Page 79: ...requency up VOLUME 5 up down buttons DISPLAY button REMOTE CONTROL UNIT For moders XR A770 1 OPEN CLOSE button 2 DISC CHANGE button 3 PGM button 4 SLEEP timer button 5 TAPE I II function button 6 AUX function button 7 MONO button 8 LEVEL MODE button 9 MORPHING MODE button MORPHING jog control buttons 0 PRO LOGIC MODE button TEST TONE button STANDBY ON button DISC select buttons 1 3 CLEAR button Nu...

Page 80: ...0 W 30 W 3 kHz T H D 10 4 Ω FM AM Tuner section FM tuner section Frequency Range 87 5 MHz to 108 MHz Antenna input 75 Ω unbalanced AM tuner section FrequencyRange 531 kHz to 1 602kHz Antenna input Loop antenna CD section Type Compact disc digital audio system Wow and Flutter Limit of measurement 0 001 W PEAK or less EIAJ NOTE Specifications and design subject to possible modification without notic...

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