Pioneer XR-A770 Service Manual Download Page 4

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XR-A880, XR-A770

2.2 EXTERIOR (1/2)

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.

XR-A770 Only

Summary of Contents for XR-A770

Page 1: ... 1 SAFETY INFORMATION 2 2 EXPLODED VIEWS AND PARTS LIST 3 3 SCHEMATIC DIAGRAM 14 4 PCB CONNECTION DIAGRAM 32 5 PCB PARTS LIST 47 6 ADJUSTMENT 55 7 GENERAL INFORMATION 61 7 1 PARTS 61 7 1 1 IC 61 7 1 2 DISPLAY 67 7 2 DISASSEMBLY 69 7 3 BLOCK DIAGRAM 72 8 PANEL FACILITIES AND SPECIFICATIONS 74 STEREO CD CASSETTE DECK RECEIVER XR A880 XR A770 THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL S AND TYP...

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 Ma...

Page 3: ...C XR A770 DBDXJ and DXJ NC are constructed the same except for the following Mark No Symbol and Description Part No Remarks XR A880 XR A880 XR A770 XR A770 DBDXJ DXJ NC DBDXJ DXJ NC 2 Operating Instructions Not used XRE3010 Not used XRE3010 English Spanish Portuguese 2 Operating Instructions English Spanish Chinese XRE3011 Not used XRE3011 Not used 4 Remote Control Unit CU XR050 XZN3008 XZN3008 No...

Page 4: ...IOR 1 2 2 12 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 10 4 5 7 14 13 3 3 XR A770 Only 9 8 17 16 ...

Page 5: ...9 Screw BPZ30P100FZK 10 Pioneer Badge XZN3049 11 Screw VBZ30P080FZK 12 Disc Label XAX3127 13 Jog Knob Assy XXG3023 14 Bass Knob XAB3005 15 Screw BCZ30P080FZK 16 Cord Stopper DNF1128 17 Push Rivet AEC7138 2 CONTRAST TABLE XR A880 DBDXJ DXJ NC XR A770 DBDXJ and DXJ NC are constructed the same except for the following Mark No Symbol and Description Part No Remarks XR A880 XR A880 XR A770 XR A770 DBDX...

Page 6: ... b c c c c a a b a c d Refer to 2 4 FRONT PANEL SECTION 8 19 17 19 19 19 29 22 7 11 33 19 19 13 27 35 XR A880 ONLY XR A880 ONLY 27 16 34 30 38 28 28 2 3 6 5 4 9 10 14 15 25 36 21 19 31 32 37 41 42 18 20 1 19 24 24 XR A770 XR A880 24 19 26 24 19 24 24 11 22 39 40 A A ...

Page 7: ...32 PRO LOGIC Assy See Contrast table 2 33 H S Bracket XNG3007 34 FET Bracket XNG3009 35 H S Support XNG3014 36 Wire Clip B XEC3004 37 PCB Spacer B See 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 DBDXJ DXJ NC XR A770 DBDXJ and DXJ N...

Page 8: ...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 9: ... 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 CONTRAST...

Page 10: ...10 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 ...

Page 11: ...ver ANW7095 18 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 1 Servo Mechanism AXA7039 2 SPINDLE MOTOR Assy AEA7009 3 SLEAD MOTOR Assy AEA7010 4 Gear A AEA7013 5 Gear B AEA70...

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

Page 13: ... F513 819 2 Motor Main BLK Mech Ι only F525 324 3 4 PCB Control BLK Mech Ι only F567 621 5 Clutch Assy BLK F522 037 6 Main Belt FF17G 31 7 Joint Belt 113 Mech Ι 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 14: ... WIRING DIAGRAM 1 3 AF ASSY XR A880 XWZ3128 XR A770 XWZ3106 DISPLAY ASSY XR A880 XWZ3130 XR A770 XWZ3109 SERVO MECHANISM ASSY AXA7039 E CD ASSY XWZ3050 CN8004 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 15: ...nd PARTS LIST or PCB PARTS LIST CN8003 REAR AMP ASSY XR A880 XWZ3160 XR A770 XWZ3108 L SECONDARY ASSY XWZ3137 F CD SW LED ASSY XWZ3131 J PRIMARY ASSY XWZ3111 G SUB TRANS ASSY XWZ3113 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 ...

Page 16: ...XR A880 XR A770 16 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 17: ...XR A880 XR A770 17 A B C D 5 6 7 8 5 6 7 8 AF AMP REGULATOR PLL AF AMP 2 3 E CN3051 A ...

Page 18: ...XR A880 XR A770 18 A B C D 1 2 3 4 1 2 3 4 3 3 CD MOTOR and SW ASSEMBLIES B CD ASSY XWZ3050 SERVO MECHANISM ASSY AXA7039 C MOTOR ASSY AWZ8428 J8502 D20PWW0405E 56k R8123 CARRIAGE MOTOR B C ...

Page 19: ... 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 CN1051 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 20: ...1 2 3 4 1 2 3 4 3 4 AF ASSY 1 3 1 3 AF ASSY XR A880 XWZ3128 XR A770 XWZ3106 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 21: ...XR A880 XR A770 21 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 22: ... 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 T S T S T PRO PRO C T T 2 3 E ...

Page 23: ...WZ3106 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 PRO LOGIC 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 PB B B B B B B B B B W W W W W W W W B B F W F W F W F W B B...

Page 24: ... 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 D7674 U1GC44 D7673 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 25: ...Y WITH SAME 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 W...

Page 26: ...XR A880 XR A770 26 A B C D 1 2 3 4 1 2 3 4 3 7 PRIMARY and SUB TRANS ASSEMBLIES H SUB TRANS ASSY AWZ3113 J81 G PRIMARY ASSY XWZ3111 2 3 E 10000p 250 AEK1059 AEK1059 POWER TRANSFORMER G H ...

Page 27: ...XR A880 XR A770 27 A B C D 5 6 7 8 5 6 7 8 AN1 LIVE NEUTRAL REK1030 H ...

Page 28: ... 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 MORPHING JOG Function I ...

Page 29: ... K E XR A770 ONLY D5553 D5554 1SS181 D5555 D5556 1SS181 D5557 D5560 1SS181 D5563 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 I J ...

Page 30: ... ASSY XR A880 XWZ3160 XR A770 XWZ3108 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 31: ... 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 AUDIO SIGNAL ROUTE S C C C C S S ...

Page 32: ... 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 33: ... 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 34: ...XR A770 34 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 CN1051 E PICKUP ASSY LOADING MOTOR SERVO MECHANISM ASSY ANP7144 E Q8101 Q8254 Q8252 Q8251 Q8253 M SIDE A B C D ...

Page 35: ...XR A880 XR A770 35 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 36: ...XR A880 XR A770 36 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 37: ...XR A880 XR A770 37 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 38: ... 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 39: ...XR A880 XR A770 39 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 40: ...XR A880 XR A770 40 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 41: ...XR A880 XR A770 41 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 42: ...XR A880 XR A770 42 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 43: ...A880 XR A770 43 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 44: ...XR A880 XR A770 44 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 45: ...XR A880 XR A770 45 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 46: ...XR A880 XR A770 46 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 47: ...70 DBDXJ DXJ NC DBDXJ DXJ NC FM AM TUNER MODULE AXQ7065 AXQ7065 NSP M SERVO BOARD ASSY XWX3002 XWX3002 CD ASSY XWZ3050 XWZ3050 MOTOR ASSY AWZ8428 AWZ8428 NSP SW ASSY AWZ8429 AWZ8429 NSP MAIN ASSY XWM3066 XWM3059 REAR AMP ASSY XWZ3160 XWZ3108 AF ASSY XWZ3128 XWZ3106 SECONDARY ASSY XWZ3137 XWZ3137 TRADE ASSY XWZ3140 Not used NSP COMPLEX ASSY XWM3067 XWM3060 PRIMARY ASSY XWZ3111 XWZ3111 SUB TRANS ASS...

Page 48: ...TAL RESONATOR ASS1093 7 2000MHz CN6201 14P SOCKET KP200IA14L MW RF TUNING BLOCK AXX7041 CD ASSY SEMICONDUCTORS IC8201 BA5923FP IC8101 LA9241ML IC8301 LC78622NE Q8101 2SA1048 Q8251 Q8252 2SB1237X Q8253 Q8254 2SD1858X D8253 1SS181 D8251 D8252 1SS355 COILS L8351 L8352 LFA1R0K L8201 L8371 LFA470J CAPACITORS C8145 C8352 C8354 C8356 C8358 CCSQCH101J50 C8361 C8362 CCSQCH101J50 C8132 C8310 C8311 CCSQCH150...

Page 49: ...3051 D3601 D3604 D3623 D3624 1SS355 D5891 1SS355 D3355 D3356 20E2 FC D31 GBU4D D3357 D3358 MTZJ10C D3083 MTZJ11C D33 MTZJ20A D52 MTZJ22D D3363 D3364 MTZJ39C D3401 MTZJ4 7B D2001 MTZJ6 2A D48 MTZJ6 8C D7673 D7674 U1GC44 COILS AND FILTERS L3331 L3332 AF CHOKE COIL ATH 133 L2801 OSCILLATION COIL ATX7002 L3001 LAU1R0J L3991 LAU4R7J L2301 L2302 LTA822J F2201 F2202 MPX FILTER RTF1209 RELAY RY3601 ASR700...

Page 50: ...HERS 4P CABLE HOLDER 51048 0400 CN1051 20P FFC CONNECTOR 52045 2045 CN5102 38P FFC CONNECTOR 52045 3845 CN3401 17P JUMPER CONNECTOR 52147 1710 CN3331 4P SPEAKER TERMINAL AKE7001 CN2302 KR CONNECTOR B2B PH K S CN2303 KR CONNECTOR B3B PH K R CN2301 KR CONNECTOR 3P B3B PH K S J81 JUMPER WIRE 4P D20PYY0440E CN3051 14P PLUG KM200IB14 CN3701 13P PLUG KM200TA13 JA3431 3P PIN JACK RKB1044 PCB BINDER VEF10...

Page 51: ... C3028 CFTLA334J50 C3023 C3024 CFTLA474J50 C2812 CKCYB103K50 C2802 CKCYB681K2H C1996 C3308 C5693 C5892 CKSQYB102K50 C1922 C1993 C1995 C1998 C1999 CKSQYB103K50 C2315 C2317 C2318 C3053 C3103 CKSQYB103K50 C3209 C3210 CKSQYB103K50 C1997 C2191 C2193 C3097 C3099 CKSQYB104K25 C3652 CKSQYB104K25 C3033 C3034 CKSQYB122K50 C2208 C2209 CKSQYB152K50 C2323 C2326 CKSQYB223K25 C3207 C3208 CKSQYB223K50 C3029 C3030...

Page 52: ...LTER ATF1136 TRANSFORMER T2 ATT7027 CAPACITORS C83 CEAT100M50 C82 CEAT102M25 RESISTORS R83 RS1 10S102J Other Resistors RD1 4PU J OTHERS CN83 4P JUMPER CONNECTOR 52147 0410 H1 H2 FUSE CLIP AKR7001 AN1 1P AC INLET BKP1046 DISPLAY ASSY 1 CONTRAST TABLE XWZ3130 and XWZ3109 are constructed the same except for the following 2 PARTS LIST FOR XWZ3130 SEMICONDUCTORS IC5631 BA3835F IC5601 BU2092F IC5501 PDC...

Page 53: ...945 CN5501 38P FFC CONNECTOR 52045 3845 X5901 REMOTE RECEIVER UNIT GP1U28X V5621 FL TUBE XAV3004 2902 FL HOLDER XNG3008 CD SW LED ASSY SEMICONDUCTORS D5623 SLP3118C51H D5624 SLP7118C51H D5622 SLP9118C51H SWITCHES S5937 S5941 XSG3001 RESISTORS All Resistors RS1 10S J OTHERS J5501 JUMPER WIRE D20PWW0615E SUB DISPLAY ASSY 1 CONTRAST TABLE XWZ3132 and XWZ3112 are constructed the same except for the fo...

Page 54: ... Q3672 Not used 2SA1037K C3671 Not used CEAT101M10 R3671 R3674 R3676 Not used RS1 10S103J R3677 Not used RS1 10S103J R3675 Not used RS1 10S472J PRO LOGIC ASSY SEMICONDUCTORS IC3701 LV1035M D3701 D3702 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 CEAT221M...

Page 55: ... 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 56: ...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 57: ... 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 58: ...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 59: ...59 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 60: ...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 61: ...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 62: ... 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 63: ...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 64: ... 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 65: ... 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 66: ...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 67: ...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 68: ... 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 69: ...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 11 12 3 3 1 3 Bonnet Case Unhook Tray Cap M Mechanism CD Release the jumper wire from Cord Stopper 10 9 ...

Page 70: ...tom View FRONT PANEL DISPLAY Assy Front Panel CD SW LED Assy AF Assy FM AM TUNER MODULE SUB TRANS Assy TRADE Assy XR A880 only PRO LOGIC Assy XR A880 only PRIMARY Assy SECONDARY Assy 5 4 3 3 3 1 Unhook 1 Unhook 2 Mechanism Unit Release the jumper wire from Clip B SUB DISPLAY Assy 2 ...

Page 71: ...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 72: ...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 73: ...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 74: ...TION button Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation DOLBY and the double D symbol are trademarks of Dolby Laboratories Licensing Corporation ASES COPY button _ TAPE I Eject button 0 TAPE I cassette door Dolby NR ON OFF button Volume control VOLUME DISPLAY button ENTER button SOUND MORPHING JOG dial TIMER CLOCK ADJ button PHONES jack Headphones...

Page 75: ...n BEAT CUT 2 is selected Indicates SOUND MORPHING status Indicates TAPE status Displays audio level spectrum analyzer and other indications Indicates CD player operation status 7 For models XR A770 and XR A880 60 Hz level control P BASS ON OFF button indicator 120 Hz level control WOOFER LEVEL control FRONT PANEL For moders XR A770 CENTER level control REAR level control PRO LOGIC MODE button indi...

Page 76: ...on 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 If you press the CD function button when a CD is loaded the CD automatically starts playing If you press the TAPE I II function but...

Page 77: ...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 78: ...back head x 1 Playback head x 1 Erasing head x 1 Motor DC servo motor x 1 Tape type TYPE I Normal tape NOTE Specifications and design are subject to possible modification without notice due to improvement Miscellaneous Power Requirements AC 110 127 220 230 240 V switchable 50 60 Hz Power Consumption XR A770 XR A880 800 W Power Consumption in Standby mode 1 W Dimensions XR A770 XR A880 270 W x 380 ...

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