background image

82

XR-VS77, XR-VS55

+

TAPE

DECK

TAPE

DECK

PB

TAPE

DECK

FUNCTION

TUNER

MODULE

CD

$ MECH

AUX

(200mV)

(-8dB)

(-3.8dB)

(-2dB)

(-8dB)

(+2dB)

(-6dB)

To R ch

From R ch

-

+

-

+

-

+

5

+

-

+

+

HA12211NT

HA12136AF
DOLBY NR

Vref

Vref

19

14

11

4

+

-

Vref

Vref

BASS

BLASTER

IC3001

DUMMY

LC75394

TONE
BUSS

(3 BAND)

+

17

55

20

18

15

14

10

11

13

VR2305

-

+

Vref

E

A

B

Q2301

E

IC2301

E

IC2201

XR-VS77 ONLY

XR-VS77 ONLY

E

E

XR-VS77 ONLY

ZOOM

SURROUND

FUNCTION

BASS

BLASTER

7

3

1

5

(+30dB)

(+15dB)

IC2501
MIC AMP

IC2501
MIC AMP

VR3901

JA3901
JA3902

MIC1
MIC2

I

I

I

I

7.3 BLOCK DIAGRAM

Summary of Contents for XR-VS55

Page 1: ...MATION 2 2 EXPLODED VIEWS AND PARTS LIST 3 3 SCHEMATIC DIAGRAM 16 4 PCB CONNECTION DIAGRAM 34 5 PCB PARTS LIST 46 6 ADJUSTMENT 53 7 GENERAL INFORMATION 62 7 1 PARTS 62 7 1 1 IC 62 7 1 2 DISPLAY 75 7 2 DISASSEMBLY 79 7 3 BLOCK DIAGRAM 82 8 PANEL FACILITIES AND SPECIFICATIONS 84 STEREO CD VCD CASSETTE DECK RECEIVER XR VS77 XR VS55 THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL S AND TYPE S PREV NE...

Page 2: ...ened close viewing of the objective lens with the naked eye will cause exposure to a Class 1 laser beam Refer to page 61 1 SAFETY INFORMATION This service manual is intended for qualified service technicians it is not meant for the casual do it yourselfer Qualified technicians have the necessary test equipment and tools and have been trained to properly and safely repair complex products such as t...

Page 3: ...A R S T A T I O N R E M O T E C O N T R O L U N I T C U X R 0 2 5 M O N O B A N D P G M R E P E A T R A N D O M A U X P B A S S D I S P L A Y S L E E P P O W E R 6 1 3 7 8 1 2 11 16 9 1 2 15 4 9 2 2 10 8 2 2 5 2 13 14 2 CONTRAST TABLE XR VS77 DBDXJ DLXJ NC XR VS55 DBDXJ and DLXJ NC are constructed the same except for the following 9 Rear Pad XHA3004 10 Packing Case See Contrast table 2 11 Packing ...

Page 4: ... 9 5 4 6 10 2 12 Note Attatch on the same numbers three 12 Refer to 2 5 M MECHANISM VCD 7 20 Note Hook Tray cap on top of loading tray and then insert the bottom three hooks 8 9 9 21 21 15 18 21 15 1 17 16 9 XR VS77 only XR VS77 only XR VS55 only 19 ...

Page 5: ... a l o b m y S o N t r a P s k r a m e R 7 7 S V R X J X D B D 7 7 S V R X C N J X L D 5 5 S V R X J X D B D 5 5 S V R X C N J X L D 3 b o n K e m u l o V 5 0 0 3 A A X 5 0 0 3 A A X 7 0 0 3 A A X 7 0 0 3 A A X 4 A r e v o C L F 6 2 0 3 K A X 6 2 0 3 K A X d e s u t o N d e s u t o N 5 B r e v o C L F 6 3 0 3 K A X 6 3 0 3 K A X d e s u t o N d e s u t o N 6 p a C y a r T 7 4 0 3 N Z X 7 4 0 3 N Z...

Page 6: ...T PANEL SECTION 8 17 13 19 19 19 3 5 6 21 30 2 XR VS77 only XR VS55 only XR VS55 XR VS77 XR VS77 only 28 27 19 14 15 25 4 7 1 22 22 32 24 24 24 24 24 19 26 33 19 19 19 31 29 11 XR VS55 only XR VS77 only DLXJ NC Type only Except DLXJ NC Type XR VS77 only ...

Page 7: ...R X C N J X L D 1 y s s A F A 2 0 1 3 Z W X 2 0 1 3 Z W X 8 6 0 3 Z W X 8 6 0 3 Z W X 2 y s s A Y R A D N O C E S 3 0 1 3 Z W X 3 0 1 3 Z W X 9 6 0 3 Z W X 9 6 0 3 Z W X 5 r e m r o f s n a r T r e w o P 1 T 5 1 0 3 S T X 5 1 0 3 S T X 2 1 0 3 S T X 2 1 0 3 S T X 6 A 2 T e s u F 3 U F 2 U F 7 5 0 1 K E A 7 5 0 1 K E A d e s u t o N d e s u t o N 6 A 6 1 T e s u F 3 U F 2 U F d e s u t o N d e s u ...

Page 8: ... only XR VS55 only XR VS77 only XR VS77 only XR VS77 only 17 26 17 17 17 1 7 8 32 14 16 20 37 29 36 34 2 2 35 34 1 2 24 11 17 17 17 12 Refer to 2 7 and 2 8 MECHANISM UNIT 10 9 5 4 19 21 13 18 15 21 33 27 30 28 31 17 25 25 23 2 XR VS55 only XR VS55 only 38 6 17 34 ...

Page 9: ...0 3 N Z X 4 1 0 3 N Z X 1 3 R t e k c o P r o o D 5 1 0 3 N Z X 5 1 0 3 N Z X 6 1 0 3 N Z X 6 1 0 3 N Z X 2 3 l e n a P t n o r F 1 1 0 3 N Z X 1 1 0 3 N Z X 2 1 0 3 N Z X 2 1 0 3 N Z X 3 3 l e n a P b u S 2 3 0 3 N Z X 2 3 0 3 N Z X 4 3 0 3 N Z X 4 3 0 3 N Z X 4 3 n o t t u B r e w o P 2 2 0 3 N Z X 2 2 0 3 N Z X 3 2 0 3 N Z X 3 2 0 3 N Z X 5 3 n o t t u B y a l P 4 2 0 3 N Z X 4 2 0 3 N Z X d e ...

Page 10: ...10 XR VS77 XR VS55 2 5 M MECHANISM VCD 8 7 14 13 12 26 15 21 25 22 24 23 11 5 2 1 10 16 18 29 29 6 17 19 9 27 28 29 29 29 Refer to 2 6 SERVO MECHANISM ASSY 29 29 29 29 4 3 30 20 B B A A 31 ...

Page 11: ...95 18 Planet Gear ANW7096 19 Actuater ANW7097 20 13P F F C 30V XDD3008 21 15P F F C 30V XDD3007 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 Card Spacer AEC7143 31 Cushion Rubber XEB3004 1 Servo Mechanism AXA7039 2 SPINDLE MOTOR Assy AEA7...

Page 12: ...12 XR VS77 XR VS55 1 10 13 12 Mech Ι Mech ΙΙ Mech ΙΙ Mech Ι Mech ΙΙ Only Mech Ι Only Mech ΙΙ Only 1 9 4 2 7 2 7 MECHANISM UNIT XR VS77 ...

Page 13: ...ech Ι F513 819 2 Motor Main BLK Mech ΙΙ only F525 324 3 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 14: ...14 XR VS77 XR VS55 1 10 13 12 Mech ΙΙ Mech ΙΙ Only Mech ΙΙ Mech Ι Mech Ι Mech ΙΙ Only Mech Ι Only Mech ΙΙ Only 1 9 4 2 6 Mech ΙΙ Only 2 8 MECHANISM UNIT XR VS55 ...

Page 15: ...F525 324 3 4 PCB Control BLK F567 622 5 Clutch Assy BLK F522 037 6 Main Belt FF17G 31 7 8 Clutch Assy BLK Mech ΙΙ F522 045 8 Clutch Assy BLK Mech Ι F522 038 9 Roller Pinch BLK R Mech ΙΙ F514 129 9 Roller Pinch BLK R Mech Ι F514 131 10 Roller Pinch BLK L Mech ΙΙ only F514 130 11 F R Belt FF18W 12 12 Plate Base BLK Mech ΙΙ only F512 127 13 Plate Base BLK Mech ΙΙ only F512 128 ...

Page 16: ...ERALL WIRING DIAGRAM 1 3 3 3 AF ASSY XR VS77 XWZ3102 XR VS55 XWZ3068 E CD SW LED ASSY XWZ3086 XR VS77 ONLY CN6201 J FM AM TUNER MODULE AXQ7065 A E 2 3 E E VCD SURVO ASSY XWX3003 SERVO MECHANISM ASSY AXA7039 B MOTOR ASSY XWZ3080 SW ASSY XWZ3081 C DA DB TRADE ASSY XWZ3082 ...

Page 17: ...ice parts be sure to refer to EXPLODED VIEWS and PARTS LIST or PCB PARTS LIST DISPLAY ASSY XR VS77 XWZ3104 XR VS55 XWZ3070 I SECONDARY ASSY XR VS77 XWZ3103 XR VS55 XWZ3069 F PRIMARY ASSY XWZ3048 G SUB TRANS ASSY XWZ3049 H AEK7071 XR VS77 ONLY XR VS77 ONLY XR VS77 ONLY ...

Page 18: ...XR VS77 XR VS55 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 VS77 XR VS55 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 VS77 XR VS55 20 A B C D 1 2 3 4 1 2 3 4 DA SW ASSY XWZ3081 DB TRADE ASSY XWZ3082 1 2 3 3 VCD SURVO MOTOR SW and TRADE ASSEMBLIES 1 2 B DA DB ...

Page 21: ...E TRACKING SERVO LOOP LINE SPINDLE MOTOR ROUTE CARRIAGE MOTOR ROUTE LOADING MOTOR ROUTE CD FS TS SM CM LM C MOTOR ASSY XWZ3080 CN1003 Pin 3 PLAY MODE RF VREF CN1003 Pin1 VREF 2 0Vp p CN1003 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 C 1 2 B ...

Page 22: ...XR VS77 XR VS55 22 A B C D 1 2 3 4 1 2 3 4 2 2 B ...

Page 23: ...XR VS77 XR VS55 23 A B C D 5 6 7 8 5 6 7 8 VCD SURVO ASSY 2 2 XWX3003 B 2 2 1 2 B 2 3 E 1 2 B CN1053 SIGNAL ROUTE CD AUDIO SIGNAL ROUTE CD CD CD 2 2 B ...

Page 24: ...XR VS55 XR VS77 ONLY XR VS77 ONLY XR VS55 ONLY XR VS55 ONLY C2335 27p C2336 27p XR VS55 ONLY XR VS77 ONLY XR VS55 ONLY XR VS55 ONLY 0 022 XR VS77 0 027 XR VS55 680p XR A660 1000p XRA550 A330 220k XR VS77 100k XR VS55 33k XR VS77 47k XR VS55 XR VS77 ONLY XR VS55 ONLY C2337 27p C2338 27p DECK PB SIGNAL ROUTE DECK REC SIGNAL ROUTE 1 3 E ...

Page 25: ...S77 XR VS55 25 A B C D 5 6 7 8 5 6 7 8 2 3 E 2 3 E 3 3 E 2 3 E XR VS77 ONLY XR VS55 ONLY XR VS55 ONLY XR VS55 ONLY XR VS77 ONLY 22k XR VS77 1k XR VS55 22k XR VS77 1k XR VS55 XR VS55 ONLY XR VS55 ONLY 1 3 E ...

Page 26: ... XR VS77 ONLY XR VS55 ONLY 2 7k XR VS77 56k XR VS55 6 8k XR VS77 0k XR VS55 6 8k XR VS77 3 9k XR VS55 2 2 50 XR VS77 0 47 50 XR VS55 6 8k XR VS77 0k XR VS55 6 8k XR VS77 3 9k XR VS55 AUDIO SIGNAL ROUTE CD AUDIO SIGNAL ROUTE TUNER AUDIO SIGNAL ROUTE DECK PB SIGNAL ROUTE DECK REC SIGNAL ROUTE 2 3 E ...

Page 27: ...XR VS77 XR VS55 27 A B C D 5 6 7 8 5 6 7 8 AF ASSY XR VS77 XWZ3102 XR VS55 XWZ3068 3 3 E 2 3 E 3 3 E 3 3 E 3 3 E 1 3 E 1 3 E CN6201 A XR VS77 ONLY XR VS77 ONLY 2 3 E ...

Page 28: ...XR VS77 XR VS55 28 A B C D 1 2 3 4 1 2 3 4 3 6 AF 3 3 and SECONDARY ASSEMBLIES IC3301 STK407 070B XR VS77 STK407 050B XR VS55 2 3 E 2 3 E 1 3 E 2 3 E 2 3 E 1 3 E 2 3 E 3 3 E ...

Page 29: ...MFD BY LITTELFUSE INK FOR IC71 AEK7010 CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 491005 MFD BY LITTELFUSE INK FOR IC21 AND IC22 AEK7046 XR VS77 CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 491003 MFD BY LITTELFUSE INK FOR IC31 AND IC41 AEK7015 CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH S...

Page 30: ... VS55 30 A B C D 1 2 3 4 1 2 3 4 3 7 PRIMARY and SUB TRANS ASSEMBLIES PRIMARY ASSY XWZ3048 G SUB TRANS ASSY XWZ3049 H H5 H6 H3 H4 AKR7001 XR VS77 AEK1057 T2A XR VS55 AEK1056 T1 6A POWER TRANSFORMER 3 3 CN81 E G H ...

Page 31: ...VS55 31 A B C D 5 6 7 8 5 6 7 8 10000pF AC250V XR VS77 AEK1060 T4A XR VS55 AEK1059 T3 15A NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE WITH SAME TYPE AND RATINGS ONLY CAUTION G H ...

Page 32: ...1 2 3 4 I 3 8 DISPLAY and CD SW LED ASSEMBLIES DISPLAY ASSY XR VS77 XWZ3104 XR VS55 XWZ3070 I XR VS55 ONLY XR VS77 ONLY XR VS55 ONLY XR VS77 ONLY XR VS77 ONLY SLP6118C51H 1k XR VS77 0 XR VS55 V5621 FL TUBE XAV3004 XR VS77 XAV3003 XR VS55 ...

Page 33: ...918 PRESET S5919 STANDBY ON S5920 TUNING 1 4 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 S5932 DISC 1 SELECT S5933 DISC 2 SELECT S5934 DISC 3 SELECT S5935 DISC CHANGE S5936 OPEN CLOSE XR VS55 ONLY XR VS77 ONLY XR VS77 ONLY XR VS77 ONLY XR VS55 ONLY XR VS77 ONLY XR VS77 ONLY J DE...

Page 34: ...PCB include all necessary 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 Capaci...

Page 35: ... 1 2 3 4 1 2 3 4 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 4 1 FM AM TUNER MODULE A SIDE A SIDE B ...

Page 36: ...SY SW ASSY MOTOR ASSY C VCD SURVO ASSY B CN1053 E PICKUP ASSY LOADING MOTOR SERVO MECHANISM ASSY XNP3010 A XNP3011 A Q1353 Q1351 Q1101 Q1352 Q1354 IC1001 IC1401 IC1301 IC1201 IC1501 IC1752 IC1701 M SIDE A 4 2 VCD SURVO MOTOR SW and TRADE ASSEMBLIES C B DA DB ...

Page 37: ...XR VS77 XR VS55 37 A B C D 1 2 3 4 1 2 3 4 VCD SURVO ASSY B XNP3010 A IC1754 IC1755 IC1101 IC1751 SIDE B B ...

Page 38: ...XR VS77 XR VS55 38 A B C D 1 2 3 4 1 2 3 4 4 3 AF ASSY E AF ASSY H J81 CN6201 A MECHANISM UNIT F J11 VR2302 VR2802 VR230 VR280 Q2801 Q2804 Q2803 Q3081 Q71 Q3351 Q31 IC32 IC51 IC42 Q3352 E SIDE A ...

Page 39: ...XR VS77 XR VS55 39 A B C D 5 6 7 8 5 6 7 8 1 XNP3008 C B CN1004 I CN5501 MECHANISM UNIT MECHANISM UNIT VR2303 VR2302 VR2802 VR2301 VR2801 VR2306 Q52 Q51 IC2301 1 IC3301 E ...

Page 40: ...XR VS77 XR VS55 40 A B C D 1 2 3 4 1 2 3 4 E AF ASSY XNP3008 C IC5891 IC2101 IC2201 Q53 IC5892 Q3605 Q3608 Q2802 Q2306 Q2105 Q3601 Q3314 Q3313 Q3312 Q331 Q3603 Q2302 Q2301 Q2204 Q2203 Q2 IC3301 E SIDE B ...

Page 41: ... VS55 41 A B C D 5 6 7 8 5 6 7 8 IC2101 Q2201 Q2202 Q5751 Q5752 IC2201 Q3312 Q3311 Q3351 Q3352 Q3353 Q3354 Q3101 Q3102 Q2204 Q2203 Q2103 IC5751 IC5691 IC3001 IC3951 IC3101 IC3103 IC42 IC51 IC32 Q31 Q2805 Q2807 E ...

Page 42: ... XR VS55 42 A B C D 1 2 3 4 1 2 3 4 4 4 SECONDARY and PRIMARY ASSEMBLIES N L F SECONDARY ASSY G PRIMARY ASSY E J11 H Y1 POWER TRANSFORMER T1 Y2 XNP3008 C XNP3012 B IC71 IC11 IC12 IC21 IC22 IC31 IC41 F G SIDE A ...

Page 43: ...XR VS77 XR VS55 43 A B C D 1 2 3 4 1 2 3 4 4 5 SUB TRANS ASSY H SUB TRANS ASSY E CN81 AC IN G Y1 Y2 XNP3012 B LIVE NEUTRAL H SIDE A ...

Page 44: ...XR VS77 XR VS55 44 A B C D 1 2 3 4 1 2 3 4 4 6 DISPLAY and CD SW LED ASSEMBLIES I DISPLAY ASSY J CD SW LED ASSY E CN5101 MECHANISM UNIT XNP3012 B I J SIDE A ...

Page 45: ...S55 45 A B C D 1 2 3 4 1 2 3 4 J CD SW LED ASSY I DISPLAY ASSY XNP3012 B Q2903 Q2901 Q2906 Q2907 Q2904 Q5605 Q2910 Q2911 Q5502 Q5501 Q5821 Q5606 Q5601 Q5604 Q5801 IC5601 IC5501 IC5631 IC3901 IC3931 Q2908 J I SIDE B ...

Page 46: ...igh precision metal film resistors 5 62k Ω 562 101 5621 RN1 4PC 5 6 2 1 F k r a M n o i t p i r c s e D d n a l o b m y S o N t r a P s k r a m e R 7 7 S V R X 5 5 S V R X J X D B D C N J X L D J X D B D C N J X L D P S N P S N P S N P S N E L U D O M R E N U T M A M F Y S S A O B R U S D C V Y S S A B C P A H C E M M Y S S A R O T O M Y S S A W S Y S S A E D A R T Y S S A N I A M Y S S A F A Y S ...

Page 47: ...1858X D1351 D1354 1SS355 B COILS AND FILTERS F1501 DTF1064 F1201 DTF1066 F1202 DTF1067 F1705 F1706 DTF1069 L1702 LCTB1R8K2125 L1701 LCTB2R7K2125 L1201 LFA100J L1001 LFA220J CAPACITORS C1129 C1205 C1208 C1213 C1353 CCSQCH101J50 C1706 C1722 CCSQCH101J50 C1133 C1755 C1756 CCSQCH120J50 C1720 CCSQCH121J50 C1216 CCSQCH150J50 C1708 CCSQCH151J50 C1217 CCSQCH180J50 C1705 CCSQCH271J50 C1132 CCSQCH300J50 C17...

Page 48: ...2204 Q2805 Q3311 Q3312 2SD2114K Q2301 Q2302 2SK368 Q3313 DTA124EK Q2104 Q2105 Q3314 DTC124EK Q2103 Q2306 Q2802 DTC143EK Q3351 IRFI9Z34G Q3352 IRFIZ34G D3301 D3302 1SR139 100 D2191 D2301 D2306 D3101 D3102 1SS133 D3351 D3354 D3361 D3362 D3601 1SS133 D3603 D3604 D3621 D3622 1SS133 D3625 D3626 D5891 D73 1SS133 D2102 D2103 D2201 D2202 D3051 1SS355 D3355 D3356 20E2 FC D3357 D3358 MTZJ10C D3083 MTZJ11C D...

Page 49: ...5101 40P FFC CONNECTOR 52045 4045 CN81 4P JUMPER CONNECTOR 52147 0410 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 CN3051 14P PLUG KM200IB14 JA3001 JA3441 2P PIN JACK VKB1060 CN3991 HEADPHONE JACK XKN3001 AF ASSY XWZ3068 SEMICONDUCTORS IC2101 IC3951 IC5691 BA4558F HT IC5891 BU4094BCF IC2301 HA12211NT IC3001 LC753...

Page 50: ...EAT2R2M50 C2804 C2805 CEAT330M16 C3021 C3022 CEATR10M50 C3041 C3042 C3325 CEATR47M50 C3027 C3028 CFTLA334J50 C3023 C3024 CFTLA474J50 C2307 C2308 CKSQYB102K50 C1992 C1993 C2315 C2317 C2318 CKSQYB103K50 C3053 C3098 CKSQYB103K50 C3099 C5891 CKSQYB104K25 C3033 C3034 CKSQYB122K50 C3315 C3316 CKSQYB222K50 C2323 C2326 C3029 C3030 CKSQYB273K50 C2808 C2809 CKSQYB332K50 C2333 C2334 CKSQYB392K50 C2807 CKSQYB...

Page 51: ... C3910 C5816 C5997 C5999 CKSQYB104K25 I C3939 CKSQYB123K50 C5509 C5951 C5954 CKSQYB471K50 C3907 C3938 C5506 C5508 CKSQYB472K50 C3935 CKSQYB473K50 C3942 C5602 C5631 C5634 C5901 CKSQYF104Z50 C5503 C5504 C5813 C5822 CKSQYF473Z50 RESISTORS R5529 470Ω ACN7056 R5561 R5562 1 5kΩ ACN7062 R5563 R5564 47kΩ ACN7077 R5508 RA11T104J R5506 RA7T104J R2907 R2909 R2910 R5611 R5919 RD1 4PU102J R5915 RD1 4PU181J R59...

Page 52: ...C3940 CKSQYB103K50 C3910 C5816 C5997 C5999 CKSQYB104K25 C3939 CKSQYB123K50 C5509 C5951 C5954 CKSQYB471K50 C3907 C3938 C5506 C5508 CKSQYB472K50 C3935 CKSQYB473K50 C3942 C5634 C5901 CKSQYF104Z50 C5625 CKSQYF224Z25 C5503 C5504 C5813 C5822 CKSQYF473Z50 RESISTORS R5529 470Ω ACN7056 R5561 R5562 1 5Ω ACN7062 R5563 R5564 47kΩ ACN7077 R5508 RA11T104J R5506 RA7T104J R2907 R2909 R2910 R5919 RD1 4PU102J R5915...

Page 53: ... a t n o c o t n i m e h t 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 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 54: ...stment 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 6 2 1 For XR VS77 Adjustment points and test points are shown in Fig 3 Fig 5 and Fig 7 Mechanical Adjustment Test tape NCT 111 3kH...

Page 55: ... 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 56: ...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 57: ...57 XR VS77 XR VS55 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 58: ...ias Adjustment 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 2 For XR VS55 Adjustment points and test points are shown in Fig 8 Fig 10 and Fig 11 Mechanical Adjustment Test tape NCT 111 3kHz 30min 1 Tape Speed Adjustment o N e d o M e p a T t s e T g n i t...

Page 59: ...d n a e p a t t s e t e d o m g n i d r o c e r k c e D I I n o i t a l l i c s O o t y c n e u q e r f z H k 0 5 0 1 e b z H k 2 K C E D I 1 0 8 2 L y s s A F A n e e w t e B 1 1 g i F n i t n i o p D N G d n a Recording Adjustment 1 Bias Oscillation Frequency Adjustment 2 Recording Bias Adjustment Since this adjustment affects recording bias prevent distortion from increasing due to underbias Pl...

Page 60: ...60 XR VS77 XR VS55 A B VR2302 VR2802 TAPE TEST POINT Fig 11 Adjustment and Measurement Points FRONT L ch R ch L2801 BIAS TP POINT VR is nothing VR2301 SIDE B AF ASSY ...

Page 61: ...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 62: ...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 63: ... 3 4 1 C 3 F R h c R f o k c o l b l o r t n o c d n a b 3 F n i p n o i t c e n n o c r o t i c a p a c l a n r e t x E 2 1 1 C 1 F L 4 4 2 C 3 F R 3 1 N I T L e c n a d e p m i w o l h t i w d e v i r d s i t a h t n i p t u p n i l o r t n o c e n o T 5 4 3 C 3 F R 4 1 O L E S L t u p t u o r o t c e l e s t u p n I 6 4 1 C 4 F R h c R f o k c o l b l o r t n o c d n a b 4 F n i p n o i t c e n...

Page 64: ...ref RVref LVref LVref LVref LVref LVref LVref LF4C3 LF4C2 LF4C1 LF3C3 LF3C2 LF3C1 LF2C3 LF2C2 LF2C1 LF1C3 LF1C2 LF1C1 LTIN LSELO LINVIN1 L4 RF4C3 RF4C2 RF4C1 RF3C3 RF3C2 RF3C1 RF2C3 RF2C2 RF2C1 RF1C3 RF1C2 RF1C1 RTIN RSELO RINVIN1 R4 LF5 LVref LINVIN2 LTOUT LVRIN NC LVROUT Vref RVROUT NC RVRIN RTOUT RINVIN2 RVref RF5 V DD L3 NC L2 NC L1 V SS CL CE V SS AV SS R1 NC R2 NC R3 DI CONTROL SHIFT REGISTE...

Page 65: ... IC3301 XR VS55 Audio IC Block Diagram 3 7 9 6 10 11 12 15 2 8 1 4 5 13 14 TR1 TR2 TR6 TR8 TR7 TR10 TR12 TR9 TR11 TR3 TR4 TR5 C1 C2 R1 R2 R3 R4 R8 R5 R9 R7 R6 D2 D3 TR13 TR14 TR18 TR20 TR19 TR22 TR24 TR21 TR23 TR15 TR16 TR17 C3 C4 R11 R12 R13 R14 R18 R15 R19 R17 R16 D4 D5 D1 ...

Page 66: ...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 S C V I I S L D C V m o r f t u p n i e b o r t S 7 7 2 L O S O l o r t n o c d i o n e l o s 1 k c e D 8 2 C N I d e s u t o N 8 7 1 L O S O ...

Page 67: ... 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 68: ... 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 69: ... t u o F P L e d i s D A 4 N I T N I A D I t u p n i r o t a r g e t n l e d i s A D 2 1 T U O T N I D A O t u p t u o r o t a r g e t n l e d i s D A 5 T U O T N I A D O t u p t u o r o t a r g e t n l e d i s A D 3 1 N I T N I D A I t u p n i r o t a r g e t n l e d i s D A 6 N I F P L A D I t u p n i F P L e d i s A D 4 1 C C V n i p C C V 7 T U O F P L A D O t u p t u o F P L e d i s A D 5 1 E...

Page 70: ... FSC 46 TBC 47 NC 48 DEF 49 CLK 50 CL 51 DAT 52 CE 53 DRF 54 FSS 55 VCC2 56 REF1 57 VR 58 LF2 59 PH1 60 BH1 61 LDD 62 LDS 63 VCC1 64 FD 17 FA 18 FA 19 FE 20 FE 21 AGND 22 NC 23 SP 24 SPG 25 SP 26 SPD 27 SLEQ 28 APC REF RF DET VCA VCA BAL I V TE T SERVO T LOGIC F SERVO F LOGIC SPINDLE SERVO SLED SERVO RFAmp SLC u com INTER FACE SLD 29 SL 30 SL 31 JP 32 LA9241ML VCD ASSY IC1101 CD RF SERVO Block Dia...

Page 71: ...8bit COLUMN SELECTOR CE BUFFER OE BUFFER TIMING GENERATOR SENSE AMP ADDRESS DECODER ADDRESS BUFFER OUTPUT BUFFER A15 3 A14 29 A13 28 A12 4 A11 25 A10 23 A9 26 A8 27 A7 5 A6 6 A5 7 A4 8 A3 9 A2 10 A1 11 A0 12 D7 21 D6 20 D5 19 D4 18 D3 17 D2 15 D1 14 D0 13 CE 22 OE 24 OE1 OE1 D C 1 Vcc 32 GND 16 ...

Page 72: ...e h t h t i w s e e r g a l a n g i s M F E e h t m o r f d e t c e t e d l a n g i s c n y s e h t n e h w H n i p t u p t u o n o i t c e t e d l a n g i s c n y S l a n g i s c n y s d e t a r e n e g y l l a n r e t n i 3 2 F F O T O n i p t u p t u o f f o g n i k c a r T 4 2 L G T O w o l n e h w n i a g e h t e s a e r c n I n i p t u p t u o g n i h c t i w s n i a g g n i k c a r T 5 2 D ...

Page 73: ...c t h g i R C A D t i b 1 9 5 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 C A D t i b 1 0 6 Y S B S O n i p t u p t u o l a n g i s n o i t a z i n o r h c n y s k c o l c e d o c b u S 1 6 G L F E O r o t i n o m e t a t s n o i t c e r r o c r o r r e 2 C d n a l C 2 6 W P O n i p t u p t u o W d n a U T S R Q P e d o c b u S 3 6 Y S F S O e s a t s y b d n a t s n i e r a e d ...

Page 74: ...e d t u p n I m s i n a h c e m D C 4 1 5 7 P O C N d e s u t o N 4 8 3 G P 1 5 S I P M A L C p m a l c c s i d f o n o i t c e t e d t u p n I m s i n a h c e m D C 5 1 1 S S V D N G o t d e t c e n n o C 5 8 8 8 0 0 P 3 0 P O C N d e s u t o N 6 1 1 F C I r o t a n o s e r c i m a r e C z H M 6 o t d e t c e n n o C 7 1 2 F C O 9 8 2 S S V D N G o t d e t c e n n o C 8 1 1 D D V V 5 o t d e t c ...

Page 75: ... ASSY V5621 XR VS77 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 76: ... 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 77: ... d2 f h j k m g r n p b e c Dp1 Pin No Connection F2 53 F2 52 NP 51 NP 50 NX 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 NX 34 NX 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 P13 20 P14 19 P15 18 P16 17 P17 16 P18 15 P19 14 P20 13 P21 12 P22 11 P23 10 P24 9 P25 8 P26 7 P27 6 NX 5 NP 4 NP 3 F1 2 F1 1 ...

Page 78: ...b b L6 B6 B6 R6 P7 f f B7 f f f L7 B7 B7 R7 P8 g g B8 g g g L8 B8 B8 R8 P9 m m m m m L9 B9 B9 R9 P10 c c c c c L10 B10 B10 R10 P11 e e e e e L11 B11 B11 R11 P12 r r r r r L12 B12 B12 R12 P13 p p p p p B13 B13 P14 n n n n n B14 B14 P15 d1 d1 d1 d1 d1 B15 B15 P16 d2 d2 d2 d2 d2 B16 B16 P17 s LS B17 B17 RS P18 t S1 B18 B18 P19 u B19 B19 P20 w B20 B20 P21 B21 B21 P22 P BASS SURR EQ B22 B22 P23 B23 B23...

Page 79: ...lled 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 VCD 2 1 3 7 3 5 3 1 2 1 2 1 4 6 8 12 3 2 1 2 Bonnet Case Unhook Tray Cap M Mechanism VCD 11 9 10 Release the jumper wire from Cord Stopper XR VS55 Only ...

Page 80: ...de M MECHANISM VCD ADDITIONAL TO JOB Mechanism Base Bottom View FRONT PANEL DISPLAY Assy Front Panel CD SW LED Assy XR VS77 only AF Assy FM AM TUNER MODULE SUB TRANS Assy PRIMARY Assy SECONDARY Assy 4 3 2 1 Unhook 1 Unhook 2 3 2 ...

Page 81: ...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 82: ...12136AF DOLBY NR Vref Vref 19 14 11 4 Vref Vref BASS BLASTER IC3001 DUMMY LC75394 TONE BUSS 3 BAND 17 55 20 18 15 14 10 11 13 VR2305 Vref E A B Q2301 E IC2301 E IC2201 XR VS77 ONLY XR VS77 ONLY E E XR VS77 ONLY ZOOM SURROUND FUNCTION BASS BLASTER 7 3 1 5 30dB 15dB IC2501 MIC AMP IC2501 MIC AMP VR3901 JA3901 JA3902 MIC1 MIC2 I I I I 7 3 BLOCK DIAGRAM ...

Page 83: ...L GAIN 29dB POWER AMP 14 58 STK407 050 42dB 7 62 60 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 IC3301 E CN3991 HEAD PHONE E XR VS77 ONLY MAIN VOL ...

Page 84: ... timer operation STANDBY indicator STANDBY ON switch TUNING 1 4 PREV button TUNING NEXT button STOP RETURN 7 button PLAY PAUSE SELECT 2 3 MEMORY button REC STOP button FREQ STATION button ASES COPY button TAPE I Eject button 0 TAPE I cassette door _ Volume control VOLUME DISPLAY button TIMER CLOCK ADJ button ENTER button SOUND MORPHING JOG dial PHONES jack Headphones TAPE II Eject button 0 TAPE II...

Page 85: ...on manufactured under license from Dolby Laboratories Licensing Corporation DOLBY and the double D symbol are trademarks of Dolby Laboratories Licensing Corporation _ 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 TAPE II Eject button 0 ª TAPE II cassette door ...

Page 86: ...icates 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 Indicates Video CD function status Indicates Karaoke function status Lights when BEAT CUT 2 is selected Indicates tuner reception status Indicates SOUND MORPHING status Indicates TAPE status...

Page 87: ...ntrol 1 4 PREV Fast reverse track search button PREV for VCD playback control During cassette deck input PLAY PAUSE Play button Tape transport direction STOP Stop button Fast forward button Music search button except XR VS55 1 4 Rewind button Music search button except XR VS55 During tuner operation PLAY PAUSE MEMORY STATION MEMORY button Frequency Station up button 1 4 Frequency Station down butt...

Page 88: ...Track search 4 Stop 7 Fast 1 SELECT NEXT PREV 4 for VCD playback control TAPE operation buttons Play 2 3 Music Search 4 Stop 7 Fast 1 The XR VS55 does not feature the Music Search 4 function TUNER buttons Stations change in order in the upward direction Stations change in order in the downward direction 1 Frequency down Frequency up DISPLAY button VOLUME 5 up down buttons Used both as Numerical ke...

Page 89: ...n in Standby mode 1 W NOTE Specifications and design subject to possible modification without notice due to improvement CD section Type Compact disc digital audio system Wow and Flutter Limit of measurement 0 001 W PEAK or less EIAJ Cassette deck section Systems 4 track 2 channel stereo Heads Recording playback head x 1 Playback head x 1 Erasing head x 1 Motor DC servo motor x 1 Tape type TYPE I N...

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