Pioneer XRVS-77 Service manual

PREV NEXT RETURN SELECT

XR-VS77

STEREO CD/VCD CASSETTE DECK RECEIVER

XR-VS77

XR-VS55

THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).

Type

DBDXJ AC110-127V/220-230V/240V With the voltage selector
DLXJ/NC AC110-127V/220-230V/240V With the voltage selector

XR-VS77 XR-VS55 the following method.

Model

Power Requirement

The Voltage can be converted by

ORDER NO.

RRV2035

CONTENTS

1. SAFETY INFORMATION ...................................... 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

PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan

PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 501 Orchard Road, #10-00 Wheelock Place, Singapore 238880

PIONEER ELECTRONIC CORPORATION 1998

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

T – ZZK OCT. 1998 Printed in Japan

XR-VS77, XR-VS55

1. SAFETY INFORMATION

This service manual is intended for qualified service technicians ; it is not meant for the casual do-it­yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained
to properly and safely repair complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may
void the warranty. If you are not qualified to perform the repair of this product properly and safely, you
should not risk trying to do so and refer the repair to a qualified service technician.

LABEL CHECK (For DLXJ/NC type)

THIS PIONEER APPARATUS CONTAINS

IMPORTANT

LASER OF CLASS 1.
SERVICING OPERATION OF THE APPARATUS
SHOULD BE DONE BY A SPECIALLY
INSTRUCTED PERSON.

LASER DIODE CHARACTERISTICS
MAXIMUM OUTPUT POWER: 1.3 mW
WAVELENGTH: 790 nm ± 25 nm

Printed on the Rear Panel

Additional Laser Caution

1.Laser Interlock Mechanism
The position of the switch (S8501) for detecting loading
state is detected by the system microprocessor, and
the design prevents laser diode oscillation when the
switch (S8501) is pressed physically.
Thus, the interlock will no longer function if the switch (S8501)
is released physically and deliberatery.

The interlock also does not function in 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 61.

XR-VS55
/DLXJ/NC

XR-VS77
/DLXJ/NC

2

2. EXPLODED VIEWS AND PARTS LIST

XR-VS77, XR-VS55

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 mark on the product are used for disassembly.

•

2.1 PACKING

1

3

17

6

8(1/2)

16

9(1/2)

4

VOL

K
A

R
A
O
K

E

S

DISC DISC DISC

F

S

C
L
E
E

P

P
.B

POWER

CLEAR
A
S
S

D
ISP

PGM
LA
Y

A
U
X

R
E
P
E
A
T

R
A
N

D
O
M

STATION

REMOTE CONTROL UNIT CU-XR025

MONOBAND

2

5

7

13

14

15

9(2/2)

11

10

8(2/2)

(1) PACKING PARTS LIST

Mark No. Description Part No.

1 FM Antenna ADH7004
2 Operating Instructions XRE3019

(English/Chinese/Chinese)
3 AM Loop Antenna XTB3001
4 Remote Control Unit XZN3009

(CU-XR051)
5 Battery Cover AZA7204

NSP 6 Dry Cell Battery (R6P, AA) VEM-013

7 Catalog Bag Z21-038

(0.03 × 230 × 340)
8 Front Pad XHA3003

Mark No. Description Part No.

9 Rear Pad XHA3004
10 Packing Case See Contrast table (2)
11 Packing Sheet AHG7049
12 • • • • •

13 Power Cord See Contrast table (2)

14 Polyethylene Bag AHG7033

NSP 15 Caution Card XAX3130
NSP 16 Door Spacer XHG3002

17 Video Cord VDE1034

(2) CONTRAST TABLE

XR-VS77/DBDXJ, DLXJ/NC, XR-VS55/DBDXJ and DLXJ/NC are constructed the same except for the following :

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31droCrewoP8511GDA4511GDA8511GDA4511GDA

77SV-RX

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77SV-RX

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55SV-RX

JXDBD/

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CN/JXLD/

skrameR

3

XR-VS77, XR-VS55

2.2 EXTERIOR (1/2)

Note :
Hook Tray cap on top of loading tray and then
insert the bottom three hooks.

Note :
Attatch on the same numbers × three.

12

21

15

8

9

15

21

9

21

2
Refer to
"2.5 $M MECHANISM VCD".

17
18

6

10

XR-VS55
only

12

9

19

1

4

5

20

13, 14

16

11

XR-VS77 only

9

19

3

7

XR-VS77 only

4

(1) EXTERIOR (1/2) PARTS LIST

Mark No. Description Part No.

XR-VS77, XR-VS55

NSP 2 $M Mechanism VCD XXA3007

NSP 17 Cord Stopper See Contrast table (2)

1 16P F.F.C/30V XDD3006
3 Volume Knob See Contrast table (2)

4 FL Cover A See Contrast table (2)
5 FL Cover B See Contrast table (2)

6 Tray Cap See Contrast table (2)
7 Display Panel See Contrast table (2)
8 Bonnet Case See Contrast table (2)
9 Screw BPZ30P100FZK

10 Pioneer Badge AZN3049
11 Screw VBZ30P080FZK

12 Disc Label XAX3127
13 Jog Knob Assy See Contrast table (2)
14 Jog Knob See Contrast table (2)
15 Screw BCZ30P060FZK

16 Cord Clamper See Contrast table (2)
18 Push Rivet See Contrast table (2)

19 Cushion Rubber XEB3002
20 Mic Knob See Contrast table (2)

21 Screw VBT30P080FZK

(2) CONTRAST TABLE

XR-VS77/DBDXJ, DLXJ/NC, XR-VS55/DBDXJ and DLXJ/NC are constructed the same except for the following :

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4ArevoCLF6203KAX6203KAXdesutoNdesutoN
5BrevoCLF6303KAX6303KAXdesutoNdesutoN
6paCyarT7403NZX7403NZX8403NZX8403NZX
7lenaPyalpsiD5403KAX5403KAX2503KAX2503KAX

77SV-RX

JXDBD/

77SV-RX
CN/JXLD/

55SV-RX

JXDBD/

55SV-RX
CN/JXLD/

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8esaCtennoB9303NZX9303NZX5403NZX5403NZX

31yssAbonKgoJ4203GXX4203GXXdesutoNdesutoN
41bonKgoJdesutoNdesutoN9003AAX9003AAX
61repmalCdroC481-HNR481-HNRdesutoNdesutoN

PSN71reppotSdroCdesutoNdesutoN8211FND8211FND

81teviRhsuPdesutoNdesutoN8317CEA8317CEA
02bonKciM4003BAX4003BAX6003BAX6003BAX

5

XR-VS77, XR-VS55

2.3 EXTERIOR (2/2)

XR-VS77
only

28

27

14

15

19

24

19

24
24

24

XR-VS77
only

24

19

XR-VS77

1

Except
DLXJ/NC Type

25

XR-VS55

DLXJ/NC Type only

26

19

XR-VS77

31

only

29

11

XR-VS55
only

3

30

2

6

21

19

7

13

32

22

4

19

5

19

19

Refer to
"2.4 FRONT PANEL SECTION".

17

33

XR-VS55
only

22

XR-VS77
only

8

6

(1) EXTERIOR (2/2) PARTS LIST

XR-VS77, XR-VS55

Mark No. Description Part No.

1 AF Assy See Contrast table (2)
2 SECONDARY Assy See Contrast table (2)
3 PRIMARY Assy XWZ3048
4 FM/AM TUNER MODULE AXQ7065
5 T1 Power Transformer See Contrast table (2)

6 FU2, FU3 Fuse See Contrast table (2)
7 FU1 Fuse See Contrast table (2)
NSP 8 Chassis XNA3001

9 • • • • •

10 • • • • •
11 PCB Bracket XNG3006

12 • • • • •
13 Heat Sink See Contrast table (2)
14 Wire Clip XEC3002
15 Rear Panel See Contrast table (2)

Mark No. Description Part No.

16 • • • • •

NSP 17 SUPPORT Assy XNP3008

18 • • • • •
19 Screw VBZ30P080FZK
20 • • • • •

21 Screw ASZ40P060FMC
22 Binder ZCA-SKB90BK
23 • • • • •
24 Screw BPZ30P100FZK
25 Caution Label See Contrast table (2)

NSP 26 Name Label See Contrast table (2)

27 ICP Label See Contrast table (2)

28 ICP Label See Contrast table (2)
29 SUB TRANS Assy XWZ3049
NSP 30 Fuse Card See Contrast table (2)

NSP 31 Fuse Card See Contrast table (2)

32 Locking Spacer See Contrast table (2)

33 Card Spacer See Contrast table (2)

(2) CONTRAST TABLE

XR-VS77/DBDXJ, DLXJ/NC, XR-VS55/DBDXJ and DLXJ/NC are constructed the same except for the following :

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2yssAYRADNOCES3013ZWX3013ZWX9603ZWX9603ZWX
5remrofsnarTrewoP1T5103STX5103STX2103STX2103STX

6)A2T(esuF3UF,2UF7501KEA7501KEAdesutoNdesutoN

6)A6.1T(esuF3UF,2UFdesutoNdesutoN6501KEA6501KEA

77SV-RX

JXDBD/

77SV-RX
CN/JXLD/

55SV-RX

JXDBD/

55SV-RX
CN/JXLD/

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51lenaPraeR6003CNX6003CNX8003CNX8003CNX
52lebaLnoituaCdesutoN8101WRPdesutoN8101WRP

PSN62lebaLemaN8003LAXdesutoN3203LAXdesutoN

72lebaLPCI0213XAX0213XAXdesutoNdesutoN
82lebaLPCI1213XAX1213XAXdesutoNdesutoN

PSN03draCesuF7532XAA7532XAAdesutoNdesutoN
PSN13draCesuF9907XAA9907XAAdesutoNdesutoN

23recapSgnikcoLdesutoNdesutoN9003CEX9003CEX
33recapSdraCdesutoNdesutoN8003CEX8003CEX

7

XR-VS77, XR-VS55

2.4 FRONT PANEL SECTION

XR-VS55 only

34

XR-VS77 only

26

23

17

21

15

XR-VS55 only

25

18

33

24

32

XR-VS77 only

34(1/2)

34(2/2)

35

13

XR-VS77
only

19

14

17

21

36

29

16

20

1

17

17

9

17

37

6

17

XR-VS55 only

25

17

11

5

7

17

XR-VS55 only

8

38

XR-VS77 only

10

12
Refer to "2.7 and 2.8

MECHANISM UNIT".

2

17

4

27

30

28

31

8

(1) FRONT PANEL SECTION PARTS LIST

XR-VS77, XR-VS55

Mark No. Description Part No.

1 DISPLAY Assy See Contrast table (2)
2 CD SW LED Assy See Contrast table (2)

3 • • • • •
4 Connector Assy 2P See Contrast table (2)
5 Connector Assy 3P See Contrast table (2)

6 Cord With Plug DE007VE0
7 Flexible Cable See Contrast table (2)
8 Flexible Cable 40P XDD3005
9 Connector Assy 3P See Contrast table (2)

10 Connector Assy 5P See Contrast table (2)
11 GND Plate A XNG3004

12 Mechanism Unit See Contrast table (2)
13 Door Spring L XBH3001
14 Door Spring R XBH3002
15 Latch Spring L ABH7130

16 Latch Spring R ABH7131
17 Screw BPZ30P100FZK
18 Latch Mold L XMR3001
19 Latch Mold R XMR3002
20 GND Plate B XNG3005

Mark No. Description Part No.

21 Damper Assy AXA7052
22 • • • • •

NSP 23 Front Panel Assy See Contrast table (2)

24 Function Button See Contrast table (2)
25 CD Button See Contrast table (2)

26 CD Lens See Contrast table (2)
27 Deck Lens L XZN3035
28 Deck Lens R XZN3036
29 Jog Lens See Contrast table (2)
30 Door Pocket L See Contrast table (2)

31 Door Pocket R See Contrast table (2)
32 Front Panel See Contrast table (2)
33 Sub Panel A See Contrast table (2)
34 Power Button See Contrast table (2)
35 Play Button See Contrast table (2)

36 S.C. Button See Contrast table (2)
37 TIMER Button See Contrast table (2)
38 Binder See Contrast table (2)

(2) CONTRAST TABLE

XR-VS77/DBDXJ, DLXJ/NC, XR-VS55/DBDXJ and DLXJ/NC are constructed the same except for the following :

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2yssADELWSDC6803ZWX6803ZWXdesutoNdesutoN
4P2yssArotcennoCdesutoNdesutoN2103EDX2103EDX
5P3yssArotcennoCdesutoNdesutoN1103EDX1103EDX
7P91elbaCelbixelF9003DDX9003DDXdesutoNdesutoN

7P71elbaCelbixelFdesutoNdesutoN0103DDX0103DDX
9P3yssArotcennoC1003EDX1003EDX9003EDX9003EDX

01P5yssArotcennoC2003EDX2003EDXdesutoNdesutoN
21tinUmsinahceM3003MYX3003MYX2003MYX2003MYX

PSN32yssAlenaPtnorF5103GXX5103GXX2103GXX2103GXX

42nottuBnoitcnuF0203NZX0203NZX1203NZX1203NZX
52nottuBDC8103NZX8103NZX9103NZX9103NZX
62sneLDC7303NZX7303NZXdesutoNdesutoN
92sneLgoJ5203KAX5203KAXdesutoNdesutoN
03LtekcoProoD3103NZX3103NZX4103NZX4103NZX

13RtekcoProoD5103NZX5103NZX6103NZX6103NZX
23lenaPtnorF1103NZX1103NZX2103NZX2103NZX
33lenaPbuS2303NZX2303NZX4303NZX4303NZX
43nottuBrewoP2203NZX2203NZX3203NZX3203NZX
53nottuByalP4203NZX4203NZXdesutoNdesutoN

63nottuB.C.S6203NZX6203NZX8203NZX8203NZX
73nottuBREMIT9203NZX9203NZX0303NZX0303NZX
83redniBdesutoNdesutoNKB09BKS-ACZKB09BKS-ACZ

77SV-RX

JXDBD/

77SV-RX
CN/JXLD/

55SV-RX

JXDBD/

55SV-RX

skrameR

CN/JXLD/

9

XR-VS77, XR-VS55

2.5 $M MECHANISM VCD

13

8

A

7

14

21

1

Refer to "2.6 SERVO MECHANISM ASSY".

25

22

24

23

11

12

10

31

16

29

29

26

17

15

29
18

2

19

6

4

27

28

5

3

10

29

29

29

29

29

29

B

A

9

B

3020

$M MECHANISM VCD PARTS LIST

•

Mark No. Description Part No.

1 MOTOR Assy XWZ3080
NSP 2 SW Assy XWZ3081
3 VCD SURVO Assy XWX3003
4 TRADE Assy XWZ3082

5 Servo Spring ABH7126
6 Belt AEB7072

7 Clamp Magnet AMF7001
8 Yoke ANB7067
9 Mecha Base XNW3001

10 Loading Tray XNW3002
11 Servo Base XNW3003

12 Rotary Tray ANW7113
13 Clamper ANW7091
14 Clamper Holder XNW3004
15 Main Cam ANW7093

16 Gear Pully ANW7094
17 Lock Lever ANW7095
18 Planet Gear ANW7096
19 Actuater ANW7097
20 13P F.F.C/30V XDD3008

XR-VS77, XR-VS55

2.6 SERVO MECHANISM ASSY

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

SERVO MECHANISM ASSY PARTS LIST

•

Mark No. Description Part No.

1 Servo Mechanism AXA7039
2 SPINDLE MOTOR Assy AEA7009
3 SLEAD MOTOR Assy AEA7010
4 Gear A AEA7013
5 Gear B AEA7014

6 Screw AEA7015
7 Screw AEA7016
8 Screw AEA7017
9 Screw AEA7018

10 Leaf Switch AEA7011

11

XR-VS77, XR-VS55

2.7 MECHANISM UNIT (XR-VS77)

Mech. Ι
Only

Mech. ΙΙ

4

Mech. ΙΙ
Only

7

2

12

Mech. Ι

13

Mech. Ι

9

Mech. ΙΙ
Only

10

1

1

Mech. ΙΙ

12

XR-VS77, XR-VS55

5

8

11

6

MECHANISM UNIT PARTS LIST

•

Mark No. Description Part No.

1 Plate HD BLK (Mech. ΙΙ) F513-811
1 Plate HD BLK (Mech. 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

13

XR-VS77, XR-VS55

2.8 MECHANISM UNIT (XR-VS55)

Mech. ΙΙ
Only

6

Mech. Ι
Only

Mech. ΙΙ

Mech. Ι

4

2

12

Mech. ΙΙ Only

14

Mech. ΙΙ

9

Mech. ΙΙ
Only

10

Mech. ΙΙ
Only

13

1

1

Mech. Ι

XR-VS77, XR-VS55

5

8

11

MECHANISM UNIT PARTS LIST

•

Mark No. Description Part No.

1 Plate HD BLK (Mech. ΙΙ) F513-811
1 Plate HD BLK (Mech. Ι) F513-825
2 Motor Main BLK (Mech. ΙΙ only) F525-324
3 • • • • •
4 PCB Control BLK F567-622

6

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

15

1

XR-VS77, XR-VS55

3. SCHEMATIC DIAGRAM

3.1 OVERALL WIRING DIAGRAM

A

J

CD SW LED
ASSY
(XWZ3086)

XR-VS77 ONLY

23

4

B

C

A

FM/AM TUNER
MODULE
(AXQ7065)

CN6201

E

E

AF ASSY
(XR-VS77 : XWZ3102)
(XR-VS55 : XWZ3068)

E E

1/3, 3/3

2/3,

B

VCD SURVO ASSY (XWX3003)

D

DA

SW ASSY
(XWZ3081)

C

MOTOR
ASSY
(XWZ3080)

DB

TRADE ASSY
(XWZ3082)

16

SERVO MECHANISM ASSY
(AXA7039)

1234

5

678

XR-VS77, XR-VS55

Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and P AR TS LIST" or "PCB PARTS LIST".

I

DISPLAY ASSY
(XR-VS77 : XWZ3104)
(XR-VS55 : XWZ3070)

XR-VS77 ONLY

XR-VS77 ONLY

AEK7071

A

B

XR-VS77 ONLY

F

SECONDARY
ASSY
(XR-VS77 : XWZ3103)
(XR-VS55 : XWZ3069)

G

PRIMARY ASSY
(XWZ3048)

C

H

SUB TRANS ASSY
(XWZ3049)

D

17

5

6

7

8

1

RF AMP

1T378A

1T378A

MIX AMP

BUFFER

IF AMP

FM +B SW

MW RF TUNING BLOCK
AKX7041

OSC

FM/AM TUNER MODULE
(AXQ7065)

XR-VS77, XR-VS55

3.2 FM/AM TUNER MODULE

A

23

4

B

C

D

18

A

1234

5

678

XR-VS77, XR-VS55

A

B

AF AMP

AF AMP

REGULATOR

CN3051

2/3E

C

PLL

D

A

5

6

7

8

19

1

23

XR-VS77, XR-VS55

3.3 VCD SURVO, MOTOR, SW and TRADE ASSEMBLIES

4

2

A

B

1

C

TRADE ASSY
(XWZ3082)

DB

D

DA

20

SW ASSY (XWZ3081)

1/2B

1234

DA DB

5

678

XR-VS77, XR-VS55

A

2/2

B

B

C

MOTOR ASSY
(XWZ3080)

5

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

CN1003- Pin 3 :

1

PLAY MODE (RF)

H : 500nsec/div

2.0Vp-p

VREF

6

2/2

B

B

1/2

CN1003- Pin 2 :

2

TEST MODE,
Tracking Open(TRER)

H : 5msec/div

1.0Vp-p

VREF:CN1003- Pin1

7

2/2

B

VCD SURVO ASSY (1/2)
(XWX3003)

SIGNAL ROUTE

(CD)

:CD AUDIO SIGNAL ROUTE

(FS)

: FOCUS SERVO LOOP LINE

(TS)

: TRACKING SERVO LOOP LINE

(SM)

: SPINDLE MOTOR ROUTE

(CM)

: CARRIAGE MOTOR ROUTE

(LM)

VREF

: LOADING MOTOR ROUTE

1/2B

C

8

C

D

21

1

XR-VS77, XR-VS55

A

B

23

4

C

D

22

2/2B

1234

5

678

XR-VS77, XR-VS55

SIGNAL ROUTE

(CD)

:CD AUDIO SIGNAL ROUTE

A

1/2

B

B

B

(CD)

VCD SURVO ASSY (2/2)

2/2

(XWX3003)

CN1053

2/3

E

C

(CD)

1/2

B

D

5

6

7

8

2/2B

23

1

XR-VS77, XR-VS55

3.4 AF ASSY (1/3)

23

4

A

E

1/3

AF ASSY
(XR-VS77 : XWZ3102)
(XR-VS55 : XWZ3068)

XR-VS77
ONLY

22k(XR-VS77)
39k(XR-VS55)

B

: DECK PB SIGNAL ROUTE
: DECK REC SIGNAL ROUTE

XR-VS55
ONLY

XR-VS77
ONLY

C2335 27p

C2336 27p

XR-VS55
ONLY

C2337 27p

XR-VS55
ONLY

XR-VS77
ONLY

XR-VS55
ONLY

XR-VS77
ONLY

680p(XR-A660)
1000p(XRA550,A330)

C

XR-VS55
ONLY

D

33k(XR-VS77)
47k(XR-VS55)

220k(XR-VS77)
100k(XR-VS55)

XR-VS77
ONLY

0.022(XR-VS77)

0.027(XR-VS55)

C2338 27p

XR-VS55
ONLY

24

1/3

E

1234

XR-VS55
ONLY

5

678

XR-VS77, XR-VS55

A

XR-VS55
ONLY

XR-VS55
ONLY

22k(XR-VS77)
1k(XR-VS55)

22k(XR-VS77)
1k(XR-VS55)

XR-VS55
ONLY

XR-VS77 ONLY

XR-VS55
ONLY

E

2/3

E

B

C

2/3

3/3

E

D

2/3

E

XR-VS77
ONLY

1/3

E

5

6

7

8

25

1

XR-VS77, XR-VS55

23

4

3.5 AF ASSY (2/3)

A

: AUDIO SIGNAL ROUTE
: CD AUDIO SIGNAL ROUTE
: TUNER AUDIO SIGNAL ROUTE
: DECK PB SIGNAL ROUTE
: DECK REC SIGNAL ROUTE

B

2.2/50(XR-VS77)

0.47/50(XR-VS55)

CN1004

B

6.8k(XR-VS77)
0k(XR-VS55)

6.8k(XR-VS77)

3.9k(XR-VS55)

E

3/3

C

XR-VS77
ONLY

D

CN5501

I

26

2/3

E

1234

6.8k(XR-VS77)
0k(XR-VS55)

6.8k(XR-VS77)

3.9k(XR-VS55)

XR-VS77
ONLY

XR-VS55 ONLY

2.7k(XR-VS77)
56k(XR-VS55)

5

A

CN6201

678

XR-VS77, XR-VS55

A

AF ASSY

2/3

E

(XR-VS77 : XWZ3102)
(XR-VS55 : XWZ3068)

3/3

E

XR-VS77 ONLY

B

C

3/3

E

XR-VS77
ONLY

1/3

E

3/3

E

3/3

E

D

1/3

E

2/3

E

5

6

7

8

27

1

23

XR-VS77, XR-VS55

3.6 AF (3/3) and SECONDARY ASSEMBLIES

A

2/3

E

B

IC3301
STK407-070B(XR-VS77)
STK407-050B(XR-VS55)

4

2/3

E

1/3

E

C

2/3

E

1/3

E

2/3

D

E

28

2/3

E

3/3

E

1234

5

678

XR-VS77, XR-VS55

E

AF ASSY

3/3

(XR-VS77 : XWZ3102)
(XR-VS55 : XWZ3068)

: AUDIO SIGNAL ROUTE

CAUTION : FOR CONTINUED PROTECTION AGAINST

CAUTION : FOR CONTINUED PROTECTION AGAINST

CAUTION : FOR CONTINUED PROTECTION AGAINST

RISK OF FIRE. REPLACE ONLY WITH SAME
TYPE NO. 4911.25 MFD, BY LITTELFUSE INK.
FOR IC71 (AEK7010).

RISK OF FIRE. REPLACE ONLY WITH SAME
TYPE NO. 491003 MFD, BY LITTELFUSE INK.
FOR IC31 AND IC41 (AEK7015).

RISK OF FIRE. REPLACE ONLY WITH SAME
TYPE NO. 491007 MFD, BY LITTELFUSE INK.
FOR IC11 AND IC12 (AEK7021: XR-VS77).

12k(XR-VS77)
15k(XR-VS55)

CAUTION : FOR CONTINUED PROTECTION AGAINST

CAUTION

CAUTION

RISK OF FIRE. REPLACE ONLY WITH SAME
TYPE NO. 491005 MFD, BY LITTELFUSE INK.
FOR IC21 AND IC22 (AEK7046: XR-VS77).

: FOR CONTINUED PROTECTION AGAINST

RISK OF FIRE. REPLACE ONLY WITH SAME
TYPE NO. 491005 MFD, BY LITTELFUSE INK.
FOR IC11 AND IC12

: FOR CONTINUED PROTECTION AGAINST

RISK OF FIRE. REPLACE ONLY WITH SAME
TYPE NO. 491004 MFD, BY LITTELFUSE INK.
FOR IC21 AND IC22

(AEK7019: XR-VS55).

(AEK7053: XR-VS55).

SPEAKER

XR-VS77 ONLY

A

B

2SA965(XR-VS77)
2SA1837(XR-VS55)

5.6k(XR-VS77)

2.2k(XR-VS55)

XR-VS77
ONLY

100/100(XR-VS77)
220/63(XR-VS55)

XR-VS55
ONLY

820(XR-VS77)

1.5k(XR-VS55)

J81

H

3300/50(XR-VS77)
2200/50(XR-VS55)

IC11, IC12

AEK7021(XR-VS77)

AEK7019(XR-VS55)

IC21, IC22

AEK7046(XR-VS77)

AEK7053(XR-VS55)

SECONDARY ASSY

F

(XR-VS77 : XWZ3103)
(XR-VS55 : XWZ3069)

C

T1

POWER TRANSFORMER

D

3/3

E

5

6

7

F

8

29

1

23

XR-VS77, XR-VS55

3.7 PRIMARY and SUB TRANS ASSEMBLIES

A

PRIMARY ASSY

G

(XWZ3048)

4

H5 H6

B

XR-VS77 : AEK1057 (T2A)
XR-VS55 : AEK1056 (T1.6A)

POWER TRANSFORMER

C

AKR7001

H3 H4

SUB TRANS ASSY

H

(XWZ3049)

CN81

3/3

E

D

30

G H

1234

5

678

XR-VS77, XR-VS55

A

B

10000pF/AC250V

• NOTE FOR FUSE REPLACEMENT

CAUTION -

FOR CONTINUED PROTECTION AGAINST RISK OF FIRE.
REPLACE WITH SAME TYPE AND RATINGS ONLY.

XR-VS77 : AEK1060 (T4A)
XR-VS55 : AEK1059 (T3.15A)

C

D

G H

5

6

7

8

31

1

23

XR-VS77, XR-VS55

3.8 DISPLAY and CD SW LED ASSEMBLIES

DISPLAY ASSY

A

I

(XR-VS77 : XWZ3104)
(XR-VS55 : XWZ3070)

4

SLP6118C51H

B

1k(XR-VS77)
0(XR-VS55)

XR-VS77
ONLY

XR-VS77
ONLY

XR-VS55
ONLY

XR-VS77
ONLY

C

XR-VS55
ONLY

D

V5621 FL TUBE
XAV3004(XR-VS77)
XAV3003(XR-VS55)

32

I

1234

5

678

XR-VS77, XR-VS55

XR-VS77 ONLY

SLP9118C51H

XR-VS77 ONLY

CN5501
52045-4045

XR-VS77
ONLY

E

2/3

CN5101

1SS183

HLEM19S-1(XR-VS77)
HLEM17S-1(XR-VS55)

A

B

DECK MECH

XR-VS77
ONLY

DISPLAY ASSY

S5911 : DISPLAY
S5912 : TIMER
S5913 : ENTER
S5914 : P. BASS
S5915 : ZOOM SURROUND
S5916 : BASS BLASTER
S5917 : EQUALIZER
S5918 : PRESET
S5919 : STANDBY/ON
S5920 : TUNING - 1 4
S5921 : TUNING + ¡ ¢
S5922 : STOP
S5923 : PLAY/PAUSE

XR-VS55
ONLY

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

5

XR-VS77 ONLY

6

CD SW LED ASSY

J

(XWZ3086)

7

XR-VS77 ONLY

XR-VS55
ONLY

S5937 : OPEN/CLOSE
S5938 : DISC CHANGE
S5939 : DISC 3 SELECT
S5940 : DISC 2 SELECT
S5941 : DISC 1 SELECT

JI

8

33

C

D

XR-VS77, XR-VS55

4. PCB CONNECTION DIAGRAM

NOTE FOR PCB DIAGRAMS :

1. Part numbers in PCB diagrams match those in the schematic
diagrams.

2. A comparison between the main parts of PCB and schematic
diagrams is shown below.

Symbol In PCB
Diagrams

BCE

BCE

D

Symbol In Schematic
Diagrams

BCEBCE

BCE

DGGSS

BCE

DGS

Part Name

Transistor

Transistor
with resistor

Field effect
transistor

Resistor array

3-terminal
regulator

3. The parts mounted on this 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.

Connector

Capacitor

SIDE A

P.C.Board

Chip Part

SIDE B

34

1

4.1 FM/AM TUNER MODULE

FM/AM TUNER MODULE

A

234

XR-VS77, XR-VS55

A

CN3051

E

SIDE A

B

FM/AM TUNER MODULE

A

Q6204

VR6201

Q6203

SIDE B

C

IC6201

1

IC6202

Q6202Q6201

Q6205

2

Q6403

Q6404

Q6303 Q6302Q6301

Q6214

Q6402

Q6401

3

Q6304

Q6306

(ANP7159-B)

A

4

D

35

1

23

XR-VS77, XR-VS55

4.2 VCD SURVO, MOTOR, SW and TRADE ASSEMBLIES

4

DB

A

TRADE ASSY

SERVO
MECHANISM
ASSY

DA

SW ASSY

LOADING

MOTOR

MOTOR ASSY

C

M

B

E

CN1053

VCD SURVO ASSY

B

(XNP3011-A)

Q1351
Q1352
Q1353
Q1354

IC1001

C

D

PICKUP
ASSY

SIDE A

IC1401
IC1301

IC1201
Q1101

IC1701

IC1501
IC1752

(XNP3010-A)

36

CB

1234

DA DB

1

234

XR-VS77, XR-VS55

A

B

VCD SURVO ASSY

B

IC1754
IC1755

IC1101
IC1751

C

D

(XNP3010-A)

1

2

3

SIDE B

B

4

37

1

E

AF ASSY

H

J81

CN6201

A

MECHANISM

UNIT

F

J11

VR2302
VR2802

VR230
VR280

Q2801Q2804Q2803Q3081 Q71

Q3351Q31 IC32 IC51 IC42 Q3352

XR-VS77, XR-VS55

4.3 AF ASSY

A

23

4

B

C

D

38

SIDE A

E

1234

5

678

XR-VS77, XR-VS55

1

B

CN1004

I

CN5501

A

B

VR2802

1 IC3301

VR2301
VR2801

VR2303VR2302

IC2301

VR2306

MECHANISM
UNIT

MECHANISM
UNIT

(XNP3008-C)

Q52
Q51

C

D

E

5

6

7

8

39

1

1

2

XR-VS77, XR-VS55

A

B

23

E

AF ASSY

4

C

(XNP3008-C)

D

SIDE B

40

E

1234

IC5891 IC2101
IC5892 Q3605 Q3608

Q2802 Q2306 Q2105 Q3601

Q53

IC3301

Q2301 Q2204 Q2203 Q

Q3603 Q2302

Q3314 Q3313 Q3312 Q33

IC2201

5

678

XR-VS77, XR-VS55

A

B

IC2101 Q2201Q2202 Q5751 Q5752

2204 Q2203 Q2103 IC5751

IC2201
Q3312 Q3311 Q3351 Q3352

Q3353 Q3354 Q3101 Q3102

IC42 IC51 IC32 Q31

5

IC5691 IC3001
IC3951 IC3101 IC3103

Q2805 Q2807

C

D

E

6

7

8

41

1

23

XR-VS77, XR-VS55

4.4 SECONDARY and PRIMARY ASSEMBLIES

A

F

SECONDARY ASSY

B

E

J11

IC71

IC11
IC12

IC21
IC22

4

IC31
IC41

(XNP3008-C)

POWER TRANSFORMER (T1)

C

NL

Y1

H

Y2

(XNP3012-B)

D

G

PRIMARY ASSY

SIDE A

42

F

G

1234

1

4.5 SUB TRANS ASSY

234

XR-VS77, XR-VS55

E

CN81

Y2

H

SUB TRANS ASSY

A

B

G

Y1

AC IN

C

LIVE

NEUTRAL

(XNP3012-B)

D

SIDE A

H

1

2

3

4

43

1

23

XR-VS77, XR-VS55

4.6 DISPLAY and CD SW LED ASSEMBLIES

A

E

CN5101

MECHANISM
UNIT

B

4

I

DISPLAY
ASSY

C

J

CD SW LED
ASSY

(XNP3012-B)

D

SIDE A

44

I

J

1234

Q2903
Q2901

Q2906

Q2908
Q2907

1

I

DISPLAY
ASSY

234

XR-VS77, XR-VS55

A

B

Q5605

IC5601

Q2904

IC5501

Q2910
Q2911

Q5801
Q5502

Q5501
Q5821

IC5631

C

J

CD SW LED
ASSY

Q5606

Q5601
Q5604

IC3901

IC3931

(XNP3012-B)

D

SIDE B

JI

1

2

3

4

45

XR-VS77, XR-VS55

Mark No. Description Part No.

5. PCB PARTS LIST

NOTES:

LIST OF HOLE PCB ASSEMBLIES

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.
When ordering resistors, first convert resistance values into code form as shown in the following examples.

•

Ex.1 When there are 2 effective digits (any digit apart from 0), such as 560 ohm and 47k ohm (tolerance is shown by J=5%,
and K=10%).

560 Ω→56 × 10
47k Ω→47 × 10

1

→ 561 ........................................................RD1/4PU 5 6 1 J

3

→ 473 ........................................................RD1/4PU 4 7 3 J

0.5 Ω→R50 .....................................................................................RN2H

1 Ω→1R0 ..................................................................................... RS1P 1 R 0 K

Ex.2 When there are 3 effective digits (such as in high precision metal film resistors).

5.62k Ω→ 562 × 10

1

→ 5621 ...................................................... RN1/4PC 5 6 2 1 F

kraMnoitpircseDdnalobmyS

ELUDOMRENUTMA/MF

YSSAOBRUSDCV

PSN

YSSAWS

PSN

YSSABCPAHCEMM$

YSSAROTOM

YSSAEDART

Mark No. Description Part No.

R 5 0

K

.oNtraP
77SV-RX55SV-RX
,JXDBD

CN/JXLD

5607QXA

3003XWX
4003XWX

0803ZWX
1803ZWX
2803ZWX

,JXDBD

CN/JXLD

5607QXA
3003XWX
4003XWX

0803ZWX
1803ZWX
2803ZWX

skrameR

PSN

PSN

YSSANIAM

YSSAFA

YSSAYRADNOCES

YSSAXELPMOC

YSSAYRAMIRP

YSSASNARTBUS

YSSAYALPSID

YSSADELWSDC

Mark No. Description Part No.

FM/AM TUNER MODULE

A

SEMICONDUCTORS

IC6201 LA1832ML
IC6202 LC72131MD
Q6402 2SC2223
Q6203 2SC2705
Q6201, Q6202 2SC2712

Q6214, Q6403 2SC2714
Q6404 2SK302
Q6401 3SK194
Q6204 DTA124ES
Q6205 DTC124EK

D6202 1SS254
D6401, D6402 1T378A

COILS AND FILTERS

L6404 FM COIL ATC1003
L6401 FM RF COIL ATC1020
L6402 FM RF COIL ATC1021
F6204 FM CERAMIC FILTER ATF–107
F6203 FM CERAMIC FILTER ATF–119

7503MWX

2013ZWX
3013ZWX

8503MWX

8403ZWX
9403ZWX
4013ZWX
6803ZWX

0403MWX
8603ZWX
9603ZWX

1403MWX
8403ZWX
9403ZWX
0703ZWX

desutoN

Mark No. Description Part No.

F6401 FM BAND PASS FILTER ATF–155
F6206 FM CERAMIC DISCRIMINATOR ATF7008
F6202 AM CERAMIC FILTER ATF7011
L6206, L6208, L6403 LAU2R2J

TRANSFORMERS

T6201 AM IF TRANS. ATB7008
T6401 FM CONNECT TRANS. 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

46

XR-VS77, XR-VS55

Mark No. Description Part No.

C6413 CCSQRH180J50
C6414 CCSQRH8R0D50
C6405 CCSQTH150J50
C6234, C6235 CEAL1R0M50
C6245 CEAL470M16

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 CKSQYB103K50
C6278, C6280, C6281, C6402, C6409 CKSQYB103K50
C6418 CKSQYB103K50

C6251, C6252 CKSQYB153K50
C6203, C6259 CKSQYB223K50
C6228 CKSQYB472K50
C6209 CKSQYB473K50
C6230 CKSQYB821K50

C6218, C6223, C6255 CKSQYF103Z50
C6220, C6226, C6242, C6256 CKSQYF223Z50
C6225 CKSQYF473Z50

RESISTORS

R6280 RD1/4PU101J
R6413, R6416, R6418, R6906, R6909 RS1/8S0R0J
R6401 RS1/8S470J
VR6201 (10kΩ) PCP1029
Other Resistors RS1/10S J

OTHERS

BN6202 4P ANTENNA TERMINAL AKE7025
X6202 CERAMIC RESONATOR ASS1066

(456kHz)

X6201 CRYSTAL RESONATOR ASS1093

(7.2000MHz)

Mark No. Description Part No.

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
C1707 CCSQCH331J50

C1130 CCSQCH3R0C50
C1715, C1717 CCSQCH470J50
C1138 CEAT100M50
C1003, C1108, C1144, C1207, C1214 CEAT101M10
C1301, C1351, C1501 CEAT101M10

C1127 CEAT1R0M50
C1005, C1007, C1126, C1141, C1409 CEAT470M16
C1411 CEAT470M16
C1718 CEAT471M6R3
C1136 CEAT4R7M50

C1109 CEATR22M50
C1124 CEATR47M50
C1101 CEJA3R3M50
C1105 CEJA470M10
C1106, C1119, C1134 CKSQYB102K50

C1102, C1122, C1123, C1139, C1140 CKSQYB103K50
C1209, C1215, C1218, C1231, C1302 CKSQYB103K50
C1354, C1502–C1506, C1703, C9002 CKSQYB103K50
C9005, C9013, C9015 CKSQYB103K50
C1001, C1002, C1004, C1008, C1135 CKSQYB104K25

CN6201 14P SOCKET KP200IA14L

VCD SURVO ASSY

B

MW RF TUNING BLOCK AXX7041

SEMICONDUCTORS

IC1001 BA033FP

IC1401 BA4558F–HT
IC1301 BA5923FP
IC1701 CL680T–D1
IC1101 LA9240ML

IC1201 LC78632RE
IC1752 MB814260–70PJ
IC1501 PDC051A
IC1751 PDK032A
IC1754 TC7W14F

IC1753 TC7WU04F
Q1101 2SA1048
Q1351, Q1352 2SB1237X
Q1353, Q1354 2SD1858X
D1351–D1354 1SS355

C1151, C1202, C1203, C1511 CKSQYB104K25
C1701, C1702, C1704, C1710–C1714 CKSQYB104K25
C1716, C1751–C1754, C1757, C9004 CKSQYB104K25
C9006, C9008, C9017, C9019 CKSQYB104K25
C1405, C1406 CKSQYB152K50

C1111 CKSQYB153K25
C1114, C1117, C1120, C1121 CKSQYB154K16
C1125 CKSQYB221K50
C1131 CKSQYB222K50
C1107 CKSQYB223K50

C1110, C1403, C1404, C1407, C1408 CKSQYB331K50
C1115, C1128 CKSQYB332K50
C1113 CKSQYB333K25
C1112, C1143 CKSQYB334K16
C1212 CKSQYB471K50

C1507 CKSQYB472K50
C1116, C1142 CKSQYB473K50
C1401, C1402 CKSQYB561K50
C1118, C1201, C1204, C1206 CKSQYF104Z25

47

XR-VS77, XR-VS55

Mark No. Description Part No.

RESISTORS

R1704 RS1/10S2001F
Other Resistors RS1/10S J

OTHERS

CN1004 16P FFC CONNECTOR 52044–1645
CN1003 3P SIDE POST B3P–SHF–1AA
CN1002 13P FFC CONNECTOR SLW13R–1C7
CN1001 15P FFC CONNECTOR SLW15R–1C7
JA1701 1P PIN JACK VKB1063

X1201 CRYSTAL RESONATOR PSS1008
X1501 CERAMIC RESONATOR RSS1050
X1751 CRYSTAL RESONATOR VSS1086

MOTOR ASSY

C

(16.9344MHz)
(6MHz)
(27MHz)

SWITCHES AND RELAYS

S9503 ASG7009

OTHERS

J9502 JUMPER WIRE 4P D20PWW0405E

MOTOR PULLEY PNW1634
CARRIAGE MOTOR VXM1033

Mark No. Description Part No.

Q3081 2SD1858X

Q31 2SD2012

Q2203, Q2204, 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

D35, D36 MTZJ15C

D3359, D3360 MTZJ18B

D74 MTZJ33C

D3363, D3364 MTZJ39C

D2001 MTZJ6.2A

D48, D53 MTZJ6.8C

D75 MTZJ8.2B
D71, D72 S5688G

SW ASSY

DA

SWITCHES AND RELAYS

S9502 ASG7009
S9501 DSG1017

OTHERS

J9501 JUMPER WIRE 6P D20PWY0610E

TRADE ASSY

DB

OTHERS

CN9501 52147–0610
CN9001 S6B–PH–K–S
CN9002 SLW13R–1C7

AF ASSY (XWZ3102)

E

SEMICONDUCTORS

IC2101, IC3101–IC3103, IC3951 BA4558F–HT
IC5691 BA4558F–HT
IC5891, IC5892 BU4094BCF
IC2201 HA12136AF
IC2301 HA12211NT
IC3001 LC75394NED

IC42, IC51 NJM7805FA
IC32 NJM7812FA
IC3301 STK407–070B

Q71 2SA965

Q3354, Q3601, Q3621 2SA1037K

Q51, Q52 2SB1237X
Q2803, Q2804 2SC1815
Q2801 2SC2240
Q2102, Q2201, Q2202, Q3101, Q3102 2SC2412K
Q3353, Q3603, Q3605–Q3608, Q53 2SC2412K

COILS AND FILTERS

L3331, L3332 ATH–133

L2801 ATX7002

L3991 LAU4R7J

L2301, L2302 LTA822J

F2201, F2202 RTF1209

SWITCHES AND RELAYS

RY3601 ASR7008

CAPACITORS

C2303, C2304 (270pF) ACG7024

C2301, C2302 CCSQCH100D50

C3047, C3048 CCSQCH101J50

C2192 CCSQCH220J50

C3319, C3320 CCSQCH3R0C50

C3317, C3318 CEANP220M35

C3621 CEANP2R2M2A

C3313, C3314 CEANP2R2M50

C2207, C2803, C2810, C3045, C3046 CEAT100M50

C3081, C3091, C33, C35, C3602 CEAT100M50

C3953, C43, C52 CEAT100M50

C2002, C2316 CEAT101M16

C71 CEAT101M2A

C3303, C3304 CEAT101M50

C2312, C2313, C3035, C3036 CEAT1R0M50

C3107, C3108, C32, C3311, C3312 CEAT1R0M50

C42 CEAT1R0M50

C2106, C2214, C2215, C2321, C2322 CEAT220M50

C53, C72 CEAT220M50

C2001, C3601 CEAT221M16
C41 CEAT222M25

C31 CEAT222M35

C2201, C2202, C2205, C2206 CEAT2R2M50

C2212, C2213, C2319, C2320 CEAT2R2M50

C3005–C3010, C3015–C3018 CEAT2R2M50

48

XR-VS77, XR-VS55

Mark No. Description Part No.

C3037–C3042, C3104 CEAT2R2M50
C2804, C2805, C3105 CEAT330M16
C3106, C3109 CEAT4R7M50
C3021, C3022 CEATR10M50
C2203, C2204, C3101, C3102 CEATR22M50

C3325 CEATR47M50
C3027, C3028 CFTLA334J50
C3023, C3024 CFTLA474J50
C2802 CKCYB681K2H
C5892 CKSQYB102K50

C1992, C1993, C2315, C2317, C2318 CKSQYB103K50
C3053, C3098, C3103 CKSQYB103K50
C2191, C2193, C3099, C5891 CKSQYB104K25
C2194 CKSQYB105K10
C3033, C3034 CKSQYB122K50

C2208, C2209 CKSQYB152K50
C3315, C3316 CKSQYB222K50
C2323, C2326 CKSQYB223K50
C3029, C3030 CKSQYB273K50
C2808, C2809 CKSQYB332K50

C2333, C2334 CKSQYB392K50
C2807 CKSQYB472K50
C3111, C3112 CKSQYB473K25
C2307, C2308, C2331, C2332 CKSQYB681K50
C3013, C3014 CKSQYB681K50

C3019, C3020, C3031, C3032 CKSQYB682K50
C3025, C3026 CKSQYB683K25
C3331–C3333 CKSQYF104Z50
C2801 CQHA822J2A
C2210, C2211 CQMBA103J50

C2806 CQMBA223J50

RESISTORS

R2812 RD1/2LMF270J
R2809 RD1/2LMF4R7J
R54 RD1/2PM181J
R52 RD1/2PM221J
R72 RD1/2PM562J

R3333, R3334 RD1/4LMF100J
R3353, R3354 RD1/4PU101J
R73 RD1/4PU103J
R3081 RD1/4PU221J
R3317, R3318 RD1/4PU683J

Mark No. Description Part No.

AF ASSY (XWZ3068)

E

SEMICONDUCTORS

IC2101, IC3951, IC5691 BA4558F–HT
IC5891 BU4094BCF

IC2301 HA12211NT
IC42, IC51 NJM7805FA
IC32 NJM7812FA

IC3301 STK407–050B
Q71 2SA1837

Q31 2SD2012

Q3351 IRFI9Z34G
Q3352 IRFIZ34G
D3301, D3302 1SR139–100

D3355, D3356 20E2–FC

D72, D76 S5688G

IC3001 LC75394NED

Q3354, Q3601, Q3621 2SA1037K

Q51, Q52 2SB1237X

Q2803, Q2804 2SC1815

Q2102, Q2201, Q2202, Q3353, Q3603 2SC2412K

Q3605–Q3608, Q53 2SC2412K

Q3081 2SD1858X

Q2203, Q2204, Q2805, Q3311, Q3312 2SD2114K

Q2301, Q2302 2SK368

Q3313 DTA124EK

Q2104, Q2105, Q3314 DTC124EK

Q2103, Q2306 DTC143EK

D2301–D2306, D3351–D3354 1SS133

D3361, D3362, D3601, D3603, D3604 1SS133

D3621, D3622, D3625, D3626, D5891 1SS133

D73 1SS133

D2102, D2103, D3051 1SS355

D3357, D3358 MTZJ10C

D3083 MTZJ11C

D35, D36 MTZJ15C

D3359, D3360 MTZJ18B

D74 MTZJ33C

D3363, D3364 MTZJ39C

D2001 MTZJ6.2A

D48, D53 MTZJ6.8C

D75 MTZJ8.2B

R3991, R3992 RS2LMF331J

R3601, R3602 RS3LMFR22J
VR2303–VR2306 (10kΩ) VCP1156
VR2301, VR2302 (100kΩ) VCP1162
VR2801, VR2802 (220kΩ) VCP1164

Other Resistors RS1/10S J

OTHERS

15P CABLE HOLDER 51063–1505
CN1053 16P FFC CONNECTOR 52045–1645
CN5101 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

COILS AND FILTERS

L3331, L3332 ATH–133
L2801 ATX7002
L3991 LAU4R7J
L2301, L2302 LTA822J

SWITCHES AND RELAYS

RY3601 ASR7008

CAPACITORS

C2303, C2304 (270pF) ACG7024
C2335–C2338 CCCCH270J50
C2301, C2302 CCSQCH100D50
C3047–C3049 CCSQCH101J50
C3319, C3320 CCSQCH3R0C50

C3317, C3318 CEANP220M35
C3621 CEANP2R2M2A
C3313, C3314 CEANP2R2M50
C73 CEAT100M2A
C2810, C3045, C3046, C3081, C3091 CEAT100M50

49

XR-VS77, XR-VS55

Mark No. Description Part No.

C33, C35, C3602, C3953, C43 CEAT100M50
C52 CEAT100M50
C2002, C2316 CEAT101M16
C3303, C3304 CEAT101M50
C2312, C2313, C32, C3311, C3312 CEAT1R0M50

C42 CEAT1R0M50
C2106, C2214, C2215, C2321, C2322 CEAT220M50
C53, C72 CEAT220M50
C2001, C3601 CEAT221M16
C71 CEAT221M63

C41 CEAT222M25
C31 CEAT222M35

C2212, C2213, C2319, C2320 CEAT2R2M50
C3005–C3010, C3015–C3018 CEAT2R2M50
C3037–C3040, C3082 CEAT2R2M50

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 CKSQYB472K50

C2331, C2332, C3013, C3014 CKSQYB681K50
C3019, C3020, C3031, C3032 CKSQYB682K50
C3025, C3026 CKSQYB683K25
C3331–C3333 CKSQYF104Z50
C2801 CQHA822J2A

C2806 CQMBA223J50

RESISTORS

R2812 RD1/2LMF270J
R2809 RD1/2LMF4R7J
R54 RD1/2PM181J
R52 RD1/2PM221J
R72 RD1/2PM222J

R3333, R3334 RD1/4LMF100J
R3353, R3354 RD1/4PU101J
R2113, R73 RD1/4PU103J
R3081 RD1/4PU221J
R3317, R3318 RD1/4PU683J

R3991, R3992 RS2LMF331J

R3601, R3602 RS2LMFR22J
VR2802 (100kΩ) VCP1162
Other Resistors RS1/10S J

Mark No. Description Part No.

CN3991 HEADPHONE JACK XKN3001

SECONDARY ASSY

F

(1) CONTRAST TABLE

XWZ3069 and XWZ3103 are constructed the same except
for the following :

Mark Symbol and Description

IC11,IC12 PROTECTOR AEK7021 AEK7019
IC21,IC22 PROTECTOR AEK7046 AEK7053
C21,C22 CEAT332M50 CEAT222M50

Part No.

XWZ3103 XWZ3069

(7A) (5A)
(5A) (4A)

Remarks

(2) PARTS LIST FOR XWZ3103
SEMICONDUCTORS

IC71 (1.25A) AEK7010
IC31, IC41 (3A) AEK7015
IC11, IC12 (7A) AEK7021
IC21, IC22 (5A) AEK7046
D11, D21 GBU4DL–5303

D41–D44 S5566G(TPB2)
D31–D34 S5688G

CAPACITORS

C11, C12 (220µF/63V) ACH7071
C21, C22 CEAT332M50

OTHERS

J11 JUMPER WIRE D15A15–350–2651

PRIMARY ASSY

G

15P CABLE HOLDER 51063–1505

SWITCH

S1 AKX7006

CAPACITOR

C3 (10000pF/AC250V) ACG7020

OTHERS

H3–H6 FUSE CLIP AKR7001

SUB TRANS ASSY

H

SEMICONDUCTORS

IC81 NJM7805FA

D81–D84 S5688G

Q81 2SD1859X
D85, D88–D90 1SS133

OTHERS

CN1053 16P FFC CONNECTOR 52045–1645
CN5101 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 2P PIN JACK VKB1060

50

15P CABLE HOLDER 51063–1505

TRANSFORMER

T2 ATT7027

SWITCH AND RELAY

S2 AKX7004
RY81 ASR7018

CAPACITORS

C83 CEAT100M50

C82 CEAT102M25

XR-VS77, XR-VS55

Mark No. Description Part No.

RESISTORS

All Resistors RD1/4PU J

OTHERS

AN1 1P AC INLET BKP1046

H1, H2 FUSE CLIP AKR7001
J81 JUMPER WIRE 4P D20PYY0425E

DISPLAY ASSY (XWZ3104)

I

4P CABLE HOLDER 51048–0400

SEMICONDUCTORS

IC5631 BA3835F
IC3901 BA4558F–HT
IC5601 BU2092F
IC3931 BU9253FS
IC5501 PDC050B

Q5501 2SA1037K
Q2903, Q2906, Q2908 2SB1132
Q5604, Q5801 2SC2412K
Q2910, Q2911 DTA124EK
Q5606 DTC124EK

Q2901, Q2904, Q2907, Q5502, Q5603 DTC143EK
Q5821 DTC143EK
D5591, D5593, D5811 1SS133
D5563–D5568 1SS181
D2901–D2903, D5569, D5570, D5626 1SS355

D5901 1SS355
D5612 BR5064X
D5613–D5616 MAA5064X
D5608–D5611 MBG5064X
D3931 MTZJ5.1B

Mark No. Description Part No.

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
R5925 RD1/4PU331J
R3940 RD1/4PU471J
R5605, R5606, R5612, R5613, R5926 RD1/4PU561J

R2902, R5604, R5607–R5610 RD1/4PU681J
R5927 RD1/4PU821J
R2911–R2913, R5567 RS1/8S0R0J
R5702 RS1/8S223J
R5614 RS1/8S331J

R2905 RS1/8S681J
VR3901, VR3931 XCS3002
Other Resistors RS1/10S J

OTHERS

CN2901 19P FFC CONNECTOR 52045–1945
CN5501 40P FFC CONNECTOR 52045–4045
JA3901, JA3902 JACK AKN7004
5901 REMOTE RECEIVER UNIT GP1U28X
V5621 FL TUBE XAV3004

D5617–D5620 SLP6118C51H
D5603–D5607, D5621 SLP9118C51H

COILS AND FILTERS

F3903, F3904 DTF1069
L5811 LAU220J
L3931 LCTB100K2125

SWITCHES AND RELAYS

S5951 ASX7004
S5952 ASX7017
S5911–S5931 XSG3001

CAPACITORS

C5812 (0.047F/5.5V) ACH1246
C3941 CCSQCH101J50
C5601 CCSQSL151J50
C3903 CCSQSL331J50
C5821 CEJA100M16

C3943 CEJA101M16
C5803 CEJA1R0M50
C3933 CEJA220M16
C3901, C3902, C3904, C3906 CEJA2R2M50
C3905, C5510, C5811, C5814 CEJA470M16

C3936, C3937 CEJA4R7M50
C3932 CEJAR47M50
C5804 CKSQYB102K50
C3911, C3931, C3934, C3940 CKSQYB103K50
C3910, C5816, C5997–C5999 CKSQYB104K25

2902 FL HOLDER XNG3008
X5501 CERAMIC RESONATOR RSS1050

DISPLAY ASSY (XWZ3070)

I

(6MHz)

SEMICONDUCTORS

IC3901 BA4558F–HT
IC3931 BU9253FS
IC5501 PDC050B
Q5501 2SA1037K
Q2903, Q2906, Q2908 2SB1132

Q5604, Q5801 2SC2412K
Q2910, Q2911 DTA124EK
Q5606 DTC124EK
Q2901, Q2904, Q2907, Q5502 DTC143EK
Q5601–Q5603, Q5605, Q5821 DTC143EK

D5591, D5631, D5811 1SS133
D5563–D5568 1SS181
D2901–D2903, D5569, D5570, D5626 1SS355
D5901 1SS355
D3931 MTZJ5.1B

D5602 SLP3118C51H
D5601 SLP7118C51H
D5603, D5604, D5621 SLP9118C51H

COILS AND FILTERS

F3903, F3904 DTF1069
L5811 LAU220J
L3931 LCTB100K2125

51

XR-VS77, XR-VS55

Mark No. Description Part No.

SWITCHES AND RELAYS

S5951 ASX7004
S5952 ASX7017
S5911–S5915, S5917–S5925 XSG3001
S5927–S5936 XSG3001

CAPACITORS

C5812 (0.047F/5.5V) ACH1246
C3941 CCSQCH101J50
C3903 CCSQSL331J50
C5821 CEJA100M16
C3943 CEJA101M16

C5803 CEJA1R0M50
C3933 CEJA220M16
C3901, C3902, C3904, C3906 CEJA2R2M50
C3905, C5510, C5811, C5814 CEJA470M16
C3936, C3937 CEJA4R7M50

C3932 CEJAR47M50
C5804 CKSQYB102K50
C3911, C3931, C3934, 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

Mark No. Description Part No.

CD SW LED ASSY

J

SEMICONDUCTORS

D5623 SLP3118C51H
D5624 SLP7118C51H
D5622 SLP9118C51H

SWITCHES

S5937–S5941 XSG3001

RESISTORS

All Resistors RS1/10S J

OTHERS

J5501 JUMPER WIRE D20PWW0615E

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 RD1/4PU181J
R5925 RD1/4PU331J
R3940 RD1/4PU471J
R5926 RD1/4PU561J

R2902 RD1/4PU681J
R5927 RD1/4PU821J
R2911–R2913, R5567 RS1/8S0R0J
R5702 RS1/8S223J
R5614 RS1/8S331J

R2905 RS1/8S681J
VR3901, VR3931 XCS3002
Other Resistors RS1/10S J

OTHERS

CN2901 17P FFC CONNECTOR 52045–1745
CN5501 40P FFC CONNECTOR 52045–4045
JA3901, JA3902 JACK AKN7004
5901 REMOTE RECEIVER UNIT GP1U28X
5631 FL HOLDER VNF1096

52

V5621 FL TUBE XAV3003
X5501 CERAMIC RESONATOR RSS1050

(6MHz)

6. ADJUSTMENT

6.1 TUNER SECTION

FM Tuner Section

Set the mode selector to FM BAND.

•

Connect the wiring as shown in Fig. 1.

•

petS
.oN

1

2

:etoN

AM Tuner Section

Set the mode selector to AM BAND.

•

Connect the wiring as shown in Fig. 1.

•

petS
.oN

1

(etoN* .zHk0001ebdluohsseicneuqerf,petszHk01gnisuaeraehtroF:)1

tnemtsujdA

eltiT

dnEtnorF

ytivitisneS

.DNIDENUT

leveLgnithgiL

.stnemtsujdaekamneht

tnemtsujdA

eltiT

dnEtnorF

ytivitisneS

)zHM(

8903-0zHM89

8981 ± 2zHM891026RV

)zHk(

(999 * )154-53(zHk999 * )11026T

XR-VS77, XR-VS55

,zHk1(GSMF ± ).vedzHk57

ycneuqerF

ycneuqerF

leveL

Bd( µ )V

).doM%03,zH004(GSMA

leveL

Bd( µ )m/V

noitpeceR

ycneuqerF

yalpsiD

noitpeceR

ycneuqerF

yalpsiD

tnemtsujdA

noitacoL

2046L

1046T

.puthgilot

tnemtsujdA

noitacoL

snoitacificepS

-1026CIehtneewtebegatlovCDehttahtostsujdA

.levelmumixamtasemocebDNGdna02nip

strats.DNIDENUTforotacidniehttahtostsujdA

dna,tsrifrehtohcaehtiwtcatnocotnimehtgnirb,mehtneewtebpagasierehtfI.2046Ldna1046Lneewtebpagonsierehterusekam,gnitsujdaerofeB

snoitacificepS

-1026CIehtneewtebegatlovCDehttahtostsujdA

.levelmumixamtasemocebDNGdna02nip

AM
antenna
terminal

FM
antenna
terminal

AM SG

MPX SG FM SG

FM75Ω antenna terminal

Center

Fig. 1 AM and FM Adjustment Wiring Diagram

FM/AM TUNER MODULE

SIDE A

YELLOW BLACK

AXX7041

60cm

T6401

Center

Loop antenna

AM antenna terminal

PRODUCT

T6201

DC

Voltmeter

IC6201

Pin 20

VR6201

L6401

L6402

Fig. 2 Adjustment Point

53

XR-VS77, XR-VS55

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 (3kHz, 30min).

•

1. Tape Speed Adjustment

.oNedoMepaTtseT

1

kceD I

YALP

111-TCN

)zHk3:kcabyalP(

gnitsujdA

stnioP

noRV.JDA
ETTESSAC

)3.giF(AHCEM

AF Assy

tnemerusaeM

stnioP

TSETEPAT

)hcR(TNIOP

)yssAFA(

Front Side

zH0003semoceb ± rettulf&wowtahtmrifnoC.zH02

Tape Speed
ADJ. VR

erudecorPtnemtsujdAskrameR

gnidaerehttahtostsujdadnaWSYALPehtsserP

mrifnoc,noitceridesreverehtni(%3.0wolebsilevel

zH0003nihtiwsignidaerehttaht ± .)zH06

Cassette
Mechanism
Section
(Side View)

Fig.3 Tape Speed ADJ. Point

Electrical Adjustment

Check the following before starting.

(1) Confirm that the tape speed adjustment has been completed.
(2) Clean the heads and demagnetize them using a head eraser.
(3) Set the measurement level to 0 dBV = 1 Vrms.
(4) Use the specified tape for adjustment. Use the labeled (A)
side of the test tape.

STD-331E : For playback check
STD-632 : Normal blank tape

(5) Provide yourself with the following measuring devides:

AC millivoltmeter

•

Low-frequency oscillator

•

Attenuator

•

Oscilloscope

•

(6) Adjust both right and left channels unless otherwise specified.
(7) Turn the DOLBY NR switch off unless otherwize specified.
(8) Warm up the unit for several minutes before adjustment.
In particular, be sure to warm up the unit in the REC/PLAY
mode for 3 to 5 minutes before starting recording/playback
frequency characteristics adjustment.
(9) Always follow the indicated adjustment order.
Otherwise, a complete adjustment may not be achieved.

Playback Adjustment (Decks I and II)

(1) Head Azimuth Adjustment
(2) Playback Level Adjustment

Recording Adjustment (Deck I)

(1) Bias Oscillation Frequency Adjustment
(2) Recording 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.

Dolby noise reduction manufactured under license from Dolby
Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol are trademarks of Dolby
Laboratories Licensing Corporation.

54

0 dB

30s

315Hz

0 dB: 315 Hz, 250 nwb/m

30s 30s 30s 10s 10s ......................................................................................................... 10s

12.5

6.3kHz 10kHz 315Hz 14kHz

kHz

10kHz

8kHz 4kHz 2kHz

Fig. 4 STD-331E Test Tape

Playback Adjustment

(1) Head Azimuth Adjustment

Do not switch between forward and reverse operation with the screwdriver inserted.

•

petSedoM

1YALP

)Bd02-

/langiStupnI

epaTtseT

epattsetE133-DTS

,zHk01:kcabyalP(

kceD I

kceD II

stnioPgnitsujdA

htumizadaeH

tnemtsujda

)5.giF(wercs

6.3

kHz

stnioP

)yssAFA(

XR-VS77, XR-VS55

500Hz250Hz125

1kHz

tnemerusaeM

TSETEPAT

)hcR,L(TNIOP

tnemtsujdA

eulaV

kcabyalp.xaM

levellangis

Hz

63Hz 40Hz

skrameR

–20 dB

otdnobnocilisylppa,tnemtsujdaretfA

.wercstnemtsujdahtumizadaeheht

(2) Playback Level Adjustment

Since this adjustment determines playback Dolby NR level, perform it carefully.

•

petSedoM

1YALP

E133-DTS

epattset

/langiStupnI

epaTtseT

kceD I

)Bd0,zH513:kcabyalP(

kceD II

stnioPgnitsujdA

)hcL(3032RV
)hcR(4032RV

)hcL(5032RV
)hcR(6032RV

tnemerusaeM

stnioP

TSETEPAT

)hcR,L(TNIOP

)yssAFA(

tnemtsujdA

eulaV

VBd7.3–

skrameR

PLAY BACK

250

3dB

10k

3dB 4dB

12.5k

RECORDING

250

3dB

10k

3dB 5dB

12.5k

REV Azimuth Adjustment Screw

Fig. 5 Head Azimuth Adjustment Screw

FWD Azimuth Adjustment Screw

Fig. 6 Frequency Characteristics

55

XR-VS77, XR-VS55

Recording Adjustment

(1) Bias Oscillation Frequency Adjustment

petSedoM

1CER

/langiStupnI

epaTtseT

236-DTSehtdaoL

ehttesdnaepattset

.edomgnidrocer

kceD II

KCED I

stnioPgnitsujdA



1082L

)yssAFA(

(2) Recording Bias Adjustment

Since this adjustment affects recording bias, prevent distortion from increasing due to underbias.

•

petSedoMepaTtseT/langiStupnIstnioPgnitsujdA

dnaepattset236-DTSehtdaoL

kceD II 

KCED I levellangistupnI

kceD II 

KCED I

1CER

2

CER →

YALP

.XUAotrotceles

.slangiszHk01

ehtotlangiszH513atupnI

tupniehttesdnalanimretXUA

dnazH513ehtkcabyalp/drocer

)wolebetoNehtees(

Note : Set the 10kHz input signal level to the same value as the 315Hz input signal level of step 1.

tnemerusaeM

stnioP

A

neewteB

7.giFnitniop
± .zHk2

.DNGdna

)hcL(1082RV
)hcR(2082RV

eulaV

noitallicsO

stnioP

TSETEPAT

)yssAFA(

TSETEPAT

)yssAFA(

tnemtsujdA

otycneuqerf

zHk0.501eb

.zHk3ot2

tnemerusaeM

)hcR,L(TNIOP

)hcR,L(TNIOP

skrameR

ruofrofnottubPOTS/CERehtfI

DNATSnisirewopehtelihwsdnoces

esaercedlliwycneuqerfeht,edomYB

eulaVtnemtsujdAskrameR

VBd7.32–

levelkcabyalplitnutnemtsujdataepeR

0nihtiwsilangiszHk01ehtfo ± Bd5.0

.langiszH513ehtfotahtmorf

(3) Recording Level Adjustment

petSedoMepaTtseT/langiStupnIstnioPgnitsujdA

1CER

2

CER →

YALP

.XUAotrotceles

.langis

ehtotlangiszH513atupnI

tupniehttesdnalanimretXUA

dnaepattset236-DTSehtdaoL

zH513ehtkcabyalp/drocer

(4) ALC Operation Check

petSedoMepaTtseT/langiStupnIstnioPgnitsujdA

1

2

/CER
ESUAP

.XUAotrotceles

ehtotlangiszH513atupnI

tupniehttesdnalanimretXUA

kceD II

KCED I

kceD II 

KCED I

tnemerusaeM

stnioP

levellangistupnI

)hcL(1032RV
)hcR(2032RV

levellangistupnI

ehtevodaBd01+levelaotteS

.1petstaleveltupni

TSETEPAT

)hcR,L(TNIOP

)yssAFA(

TSETEPAT

)hcR,L(TNIOP

)yssAFA(

tnemerusaeM

stnioP

TSETEPAT

TNIOP

)hcR,L(

)yssAFA(

VBd2.8–

2.2– ± .VBd5.2

eulaVtnemtsujdAskrameR

VBd7.7–

dnakcabyalp,gnidrocertaepeR

ehtfolevelkcabyalplitnutnemtsujda

.VBd7.7–semoceblangiszH513

eulaVtnemtsujdAskrameR

signidaerehttahtmrifnoC

56

XR-VS77, XR-VS55

AF ASSY

SIDE A

L2801

A

VR2302

VR2802

TAPE TEST

POINT

L ch R ch

VR2301

VR2801

VR2303 VR2305

VR2304

VR2306

FRONT

Fig.7 Adjustment and Measurement Points

57

XR-VS77, XR-VS55

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

.oNedoMepaTtseT

1

kceD I

YALP

111-TCN

)zHk3:kcabyalP(

gnitsujdA

stnioP

noRV.JDA
ETTESSAC

)8.giF(AHCEM

AF Assy

stnioP

TSETEPAT

)yssAFA(

)hcR(TNIOP

tnemerusaeM

Front Side

erudecorPtnemtsujdAskrameR

gnidaerehttahtostsujdadnaWSYALPehtsserP

zH0003semoceb ± rettulf&wowtahtmrifnoC.zH02

mrifnoc,noitceridesreverehtni(%3.0wolebsilevel

zH0003nihtiwsignidaerehttaht ± .)zH06

Tape Speed
ADJ. VR

Cassette
Mechanism
Section
(Side View)

Fig.8 Tape Speed ADJ. Point

Electrical Adjustment

Check the following before starting.

(1) Confirm that the tape speed adjustment has been completed.
(2) Clean the heads and demagnetize them using a head eraser.
(3) Set the measurement level to 0 dBV = 1 Vrms.
(4) Use the specified tape for adjustment. Use the labeled (A)
side of the test tape.

STD-331E : For playback check
STD-632 : Normal blank tape

(5) Provide yourself with the following measuring devides:

AC voltmeter (Noisemeter : filter off)

•

AC millivoltmeter

•

Low-frequency oscillator

•

Attenuator

•

Oscilloscope

•

(6) Adjust both right and left channels unless otherwise specified.

0 dB

30s

315Hz

0 dB: 315 Hz, 250 nwb/m

30s 30s 30s 10s 10s ......................................................................................................... 10s

6.3kHz 10kHz 315Hz 14kHz

12.5
kHz

(7) Warm up the unit for several minutes before adjustment.
In particular, be sure to warm up the unit in the REC/PLAY
mode for 3 to 5 minutes before starting recording/playback
frequency characteristics adjustment.
(8) Always follow the indicated adjustment order.
Otherwise, a complete adjustment may not be achieved.

Playback Adjustment (Decks I and II)

(1) Head Azimuth Adjustment

Recording Adjustment (Deck I)

(1) Bias Oscillation Frequency Adjustment
(2) Recording Bias 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.

10kHz

6.3

8kHz 4kHz 2kHz

kHz

1kHz

500Hz250Hz125

Hz

–20 dB

63Hz 40Hz

58

Fig. 9 STD-331E Test Tape

XR-VS77, XR-VS55

REV Azimuth Adjustment Screw

FWD Azimuth Adjustment Screw

Fig. 10 Head Azimuth Adjustment Screw

Playback Adjustment

(1) Head Azimuth Adjustment

Do not switch between forward and reverse operation with the screwdriver inserted.

•

petSedoM

1YALP

)Bd02-

/langiStupnI

epaTtseT

epattsetE133-DTS

,zHk01:kcabyalP(

kceD I

kceD II

stnioPgnitsujdA

htumizadaeH

tnemtsujda

)01.giF(wercs

stnioP

TSETEPAT

)yssAFA(

Recording Adjustment

(1) Bias Oscillation Frequency Adjustment

petSedoM

1CER

/langiStupnI

epaTtseT

236-DTSehtdaoL

ehttesdnaepattset

.edomgnidrocer

kceD II

KCED I

stnioPgnitsujdA



1082L

)yssAFA(

stnioP

A

neewteB

.DNGdna

tnemerusaeM

)hcR,L(TNIOP

tnemerusaeM

11.giFnitniop
± .zHk2

tnemtsujdA

eulaV

kcabyalp.xaM

levellangis

tnemtsujdA

eulaV

noitallicsO

otycneuqerf

zHk0.501eb

skrameR

otdnobnocilisylppa,tnemtsujdaretfA

.wercstnemtsujdahtumizadaeheht

skrameR

(2) Recording Bias Adjustment

Since this adjustment affects recording bias, prevent distortion from increasing due to underbias.

•

petSedoMepaTtseT/langiStupnIstnioPgnitsujdA

1CER

2

)langisoN(drocer

CER →

YALP

B

dnaepattset236-DTSehtdaoL

.epattset236-DTSehtdaoL

zHk01dnazH513ehtdroceR

leveltupniVBd52-taslangis

.kcabyalpdna)tniopkcehc(

IkceD

kceD II

KCED I

Note : No connecting to BIAS TP POINT at Step 2 REC→PLAY.

2082RV

)yssAFA(



2082RV

)yssAFA(

)yssAFA(

)yssAFA(

tnemerusaeM

stnioP

TNIOPPTSAIB

TSETEPAT

)hcR,L(TNIOP

V72–V42

.langiszH513

eulaVtnemtsujdAskrameR

litnutnemtsujdataepeR

ehtfolevelkcabyalp

0nihtiwsilangiszHk01 ±

ehtfotahtmorfBd0.1

59

XR-VS77, XR-VS55

FRONT

AF ASSY

SIDE B

TAPE TEST

POINT

R ch

L ch

VR2301

VR2802

VR2302

B

(VR is nothing)

L2801

BIAS TP POINT

A

Fig.11 Adjustment and Measurement Points

60

6.3 TEST MODE

NOTE: There is no information to be shown in this CD adjustment.

How to Start/Cancel Test Mode

TEST MODE : ON

XR-VS77, XR-VS55

TEST DISC: YEDS-7

STANDBY/ON

TEST MODE : PLAY

TEST DISC: YEDS-7

Pickup

outwards

Move

inwards

TEST MODE : STOP CANCEL

REC/
STOP

CD

Function CD

REC/
STOP

Laser diode: LIGHTS UP
Focus servo: CLOSE

CD TEST

Short Point

"TEST 4"

Spindle motor: START
Spindle servo: CLOSE

PLAY/
PAUSE

CD TEST

Short Point

PLAY/
PAUSE

CLOSE OPEN

Tracking servo:

STOP all operations.

Test Point

DISPLAY ASSY

STANDBY/ON

SIDE B

Bottom Side

CD TEST

61

XR-VS77, XR-VS55

7. GENERAL INFORMATION

7.1 PARTS

7.1.1 IC

• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.

HA12136AF (AF ASSY : IC2201)

• Dolby B Type NR System IC
Pin Function

•

.oNemaNniPnoitcnuF.oNemaNniPnoitcnuF

1NICERtupni)edocnE(gnidroceR9TUOCERtuptuo)edocnE(gnidroceR
2V

CC

3NIBPtupni)edoceD(kcabyalP11TUOBPtuptuo)edoceD(kcabyalP
4ferVegatlovecnerefeR21BP/CER

5FFO/NORN
6TUOBPtuptuo)edoceD(kcabyalP41NIBPtupni)edoceD(kcabyalP

7TEDrotcetedlevelehtrofniptnatsnocemiT51DNGdnuorG
8TUOCERtuptuo)edocnE(gnidroceR61NICERtupni)edocnE(gnidroceR

ylppusrewoP01TEDrotcetedlevelehtrofniptnatsnocemiT

FFO/NORNrofniplortnocedoM

FFORN:"L",NORN:"H"

31SAIBsretlifevitcaehtrofniptupnitnerrucecnerefeR

)edoceD/edocnE(BP/CERrofniplortnocedoM

)edoceD(BP:"L",)edocnE(CER:"H"

HA12211NT (AF ASSY : IC2301)

• REC Equalizer and PB Equalizer System IC
Block Diagram

•

REC IN

GND

TAPE(L)

TAPE(R)

AUX(L)

AUX(R)

30 29 28 27 26 25 24 23 22 21 20 19 18 17 16

12dB

L–ch

R–ch

REC–EQ

IREF

B

A

from logic

BCr

REC–SEL

139k

5k 2.7k 2.26k 1.12k

ACr

L–ch

R–ch

HSP

A

B

A/B

to Dolby

PB–OUT(L)

10k

B(L)

PB–OUT(R)

PB–CAL

B(R)

PB–CAL

62

PB–IN

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Vcc

REC–OUT(L)

REC–OUT(R)

B(L)

REC–RETURN

PB–IN

B(R)

VREF

PB–IN

A(L)

PB–IN

A(R)

PB–NF

(L)

PB–NF

(R)

PB–EQ

(L)

PB–EQ

(R)

PB–CAL

A(L)

PB–CAL

A(R)

Pin Function

•

.oNemaNniPnoitcnuF.oNemaNniPnoitcnuF

1V

CC

2)L(TUOCER

3)R(TUOCER81)R(TUOBP
4NRUTER-CERnruterCER91)L(TUOBP

5)L(BNI-BP

6)R(BNI-BP12PSH

VCCnip61)R(BlaC-BP

tuptuoQE-CER

tupnikcedBBP

71)L(BlaC-BP

02B/A

tuptuoBP

7FERVegatlovecnerefeR22rcA

8)L(ANI-BP

9)R(ANI-BP42LES-CERtupnilortnocedoM

01)L(FN-BP

11)R(FN-BP62)R(XUA

21)L(QE-BP

31)R(QE-BP82)R(EPAT

41)L(AlaC-BP

51)R(AlaC-BP03DNGnipDNG

tupnikcedABP

kcabdeefQEBP

tuptuoBAN

tnemtsujdaniagroftupnikcabdeeF

32rcB

52FERItupnitnerrucecnereferrezilauqE

72)L(XUA

92)L(EPAT

XR-VS77, XR-VS55

tnemtsujdaniagroftupnikcabdeeF

tupnilortnocedoM

tupniQE-CER

LC75394NED (AF ASSY : IC3001)

• Electrical Volume IC
Pin Function

•

.oNemaNniPnoitcnuF.oNemaNniPnoitcnuF

13C4FL
22C4FL 431NIVNIRgnittesniagtupnirof.pmaPOfotupnignitrevnI
31C4FL 53OLESRtuptuorotcelestupnI
43C3FL
52C3FL 731C1FR
61C3FL 832C1FR
73C2FL
82C2FL 041C2FR
91C2FL 142C2FR

013C1FL
112C1FL 341C3FR
211C1FL 442C3FR
31NITLecnadepmi-wolhtiwdevirdsitahtniptupnilortnocenoT543C3FR
41OLESLtuptuorotcelestupnI641C4FR
511NIVNILgnittesniagtupnirof.pmaPOfotupnignitrevnI742C4FR
614L
713L 945FRnipnoitcennocroticapaclanretxEkcolblortnocdnab5F
81CNnoitcennocnoN05ferVRskcolbrotcelestupnidnaenot,emulovfonipnommoC
912LtupnilangiS152NIVNIRrezilauqecihpargrof.pmaPOfotupnignitrevnI
02CNnoitcennocnoN25TUOTRtuptuolortnocenoT
121LtupnilangiS35NIRVRecnadepmi-wolhtiwdevirdsitahtniptupniemuloV
22SSVmetsyscigollanretnifodnuorG45CNnoitcennocnoN
32LC

42ID 65ferV
52ECrefsnartatadelbanE:HnipelbanepihC75V

62SSVmetsyscigollanretnifodnuorG85TUORVLniptuptuoemuloV
72SSVA.pmaPOlanretnifodnuorG95CNnoitcennocnoN
821RtupnilangiS06NIRVLecnadepmi-wolhtiwdevirdsitahtniptupniemuloV
92CNnoitcennocnoN16TUOTLtuptuolortnocenoT
032RtupnilangiS262NIVNILrezilauqecihpargrof.pmaPOfotupnignitrevnI
13CNnoitcennocnoN36ferVLskcolbrotcelestupnidnaenot,emulovfonipnommoC
233RtupnilangiS465FLnipnoitcennocroticapaclanretxEkcolblortnocdnab5F

tupnilangiS

hcLfokcolblortnocdnab4F

nipnoitcennocroticapaclanretxE

hcLfokcolblortnocdnab3F

nipnoitcennocroticapaclanretxE

hcLfokcolblortnocdnab2F

nipnoitcennocroticapaclanretxE

hcLfokcolblortnocdnab1F

nipnoitcennocroticapaclanretxE

lortnocroftupnikcolcdnaatadlaireS

334RtupnilangiS

63NITRecnadepmi-wolhtiwdevirdsitahtniptupnilortnocenoT

933C1FR

243C2FR

843C4FR

55TUORVRniptuptuoemuloV

DD

ylppusrewoP

hcRfokcolblortnocdnab1F

nipnoitcennocroticapaclanretxE

hcRfokcolblortnocdnab2F

nipnoitcennocroticapaclanretxE

hcRfokcolblortnocdnab3F

nipnoitcennocroticapaclanretxE

hcRfokcolblortnocdnab4F

nipnoitcennocroticapaclanretxE

roticapacatcennoCkcolbgnitarenegegatlov2/DDV

.SSVdnaferVneewteb

63

XR-VS77, XR-VS55

Block Diagram

•

LF4C3

LF4C2

LF4C1

LF3C3

LF3C2

LF3C1

LF2C3

LF2C2

LF2C1

LF1C3

LF5

LVref

LINVIN2

LTOUT

64 63 62 61 60 59 58 57 56 55 54 53 50

1

2

3

4

5

6

7

8

9

10

LVrefLVrefLVrefLVref

LVRIN

NC

LVref

DD

LVROUT

V

LATCH

DECODER

Vref

RVROUT

NC

RVref

RVRIN

52 51 49

RTOUT

RVrefRVrefRVrefRVref

RVref

RINVIN2

RF5

48

47

46

45

44

43

42

41

40

39

RF4C3

RF4C2

RF4C1

RF3C3

RF3C2

RF3C1

RF2C3

RF2C2

RF2C1

RF1C3

LF1C2

LF1C1

LTIN

LSELO

LINVIN1

L4

11

12

13

14

15

16

17 18 19 20 21 22 23 24 25 26 27 28 3129 30 32

L3

NC

L2

NC

LVref

L1

SHIFT REGISTER

CONTROL

CL

DI

SS

V

CE

SS

V

AVSS

RVref

R1

NC

R2

NC

R3

38

37

36

35

34

33

RF1C2

RF1C1

RTIN

RSELO

RINVIN1

R4

64

STK407-070B (AF ASSY : IC3301)(XR-VS77)

STK407-050B (AF ASSY : IC3301)(XR-VS55)

• Audio IC
Block Diagram

•

XR-VS77, XR-VS55

3796

TR1 TR2

C1

R1

10

TR3 TR4

11

12

15

TR5

R2

D1

D2

C2

R6

R3

TR6

R4

R5

TR8

TR7

R7

TR9

TR11

R8

D3

TR10

TR12

R9

2 8

D4

TR20

TR19

R13

TR18

C4

R14

R15

R16

R17

TR21

TR23

R18

D5

TR22

TR24

R19

1 4 5

TR13TR14

C3

R11

14

TR15TR16

13

TR17

R12

65

XR-VS77, XR-VS55

PDC050A (DISPLAY ASSY : IC5501)

• System Control Microcomputer
Pin Function

•

.oNemaNniPO/InoitcnuF.oNemaNniPO/InoitcnuF

1TESERDCVO ISLDCVroftuptuoteseR15PDFV–
2CNOdesutoN253955D/*S*
3CNIdesutoN352955D/*S*
4CNOdesutoN451955D/*S*

5KLCPXEO

6ATADPXEO

7ECPXEO
8AEPS/1DELO

9BEPS/2DELO 95*SO

01CEPS/3DELO 06*SO/I
11CAI
21TESERXItupniteserUPC26*SO/I

311LEERI leer2kcedroftupniesluP36*SO/I
412LEERI leer1kcedroftupniesluP46*SO/I
51SSV–dnuorG56*SO/I
611FCI 66*SO/I
712FCO 76RRA/*SO/I
81DDV–ylppusrewop86FRA/*SO/I
911YEKItupniyektnorF961EDOM/*SO/I
02SMI tupnilangisSMkceD072EDOM/*SO/I
12ENUT/TSI noitceted)OERETS(denutrenuT171FLAH/*SO/I
22CNIdesutoN27DDV–ylppusrewoP
32DELREMITO )ylno77SV-RX()remitrof(lortnocDEL372FLAH/*SO/I

52NI-EPSI tupnilangisrezylanamurtcepS572_2OrC/*SO/I
623YEKItupniyektnorF67NONACSO lortnoctupninacsyeK
72SCVI ISLDCVmorftupniebortS772LOSO lortnocdionelos1kceD
82CNIdesutoN871LOSO lortnocdionelos2kceD
92NOCOMERI tupnilangislortnocetomeR97ROTOMO lortnocrotomkceD
03*G
13*G 181GOJLOV
23*G 282GOJLOV
33*G 38ECLLPO tuptuoebortsCILLPrenuT
43*G 48CN–desutoN

53*G 58ECLOVEO
63*G 68REWOPO lortnocrewopniaM

73*G 78ETUMENILOlortnocetumeniL
83*G 88
93*G 98SSV–dnuorG

04*G 09DDV–ylppusrewoP
14*G
24*G 29CN
34*G 391GOJPROM
44*G 492GOJPROM
54*G 59ATADSYSO tuptuoatadlaireS
64DDV–ylppusrewoP69ATADXTItupniatadlaireS
747955D/*SO
846955D/*SO 89SDVO ISLDCVroftuptuoatadlaireS
945955D/*S* 99VDVI ISLDCVroftupniatadlaireS
054955D/*S* 001KLCVO ISLDCVroftuptuokcolC

OedonalortnocyalpsidLF

O

tuptuo

/lortnocDEL

tupnieslupCA

edonalortnocyalpsidLF

)ylno77SV-RX(

edonalortnocyalpsidLF

CIDEL,)4904UB(CIPXEroftuptuokcolC

)5301VL(CIcigolorPdna)2902UB(

CIDEL,)4904UB(CIPXEroftuptuoataD

)5301VL(CIcigolorPdna)2902UB(

eborts)2902UB(CIDEL,)4904UB(CIPXE

)rotinomylppusrewop,kcolcrof(

55*SO

65*SO

75*SO
85*SO

lortnoctuptuo)3291UB(CIrezylanamurtcepS

16*SO/I

08ATADSDRI SDRroftupniataD

IgojemulovroftupniesluP

DELREMIT

ECDEL/

19CN

79KLCSO tuptuokcolclaireS

O

InoitcennocoN

IgojgnihpromdnuosroftupniesluP

tuptuo

edonalortnocyalpsidLF

edonalortnocyalpsidLF422YEKItupniyektnorF471_2OrC/*SO/I

eborts)49357CL(CIlortnocemulovniaM

/)REMITrof(lortnocDEL

tuptuoeborts)2902UB(CIlortnocDEL

66

LC78622NE (CD ASSY : IC8301)

• CD DSP IC
Block Diagram

•

EFMO

VVDD4VVSS

9 3 5 59

6

1

DEFI

EFMIN

Slice level
control

10

TST11

TAI

PCK

FR

ISET

PDO

7 20 64 11 32 33 62 23 8

21

VCO clock
oscillator
clock control

2k × 8-bits
RAM

TEST2

TEST1

TEST4

TEST3

TEST5

VDD

VSS

RAM address
generator

XR-VS77, XR-VS55

Sync

22

detection EFM
demosulation

12

CLV Digital
servo

13
14
49

Sub core

51

separation
QCRC

47
50

63
53

Microcomputer
Interface

55
57

TGL

General
purpose port

25 26 27 28

PCCL

CONT1

CONT2

56

Servo
commander

54

15 16 17 1920 4560 61 46 52 44 43 39 41 35 40 37 42 38 364834 2418 29

HFL

TES

TOFF

JP–

JP+

58

*RES

C1, C2 error detection
& correcting Flag
Processing

CONT3

CONT4

CONT5

EMPH/CONT6

Pin Function

•

FSEQ

CLV+
CLV–

V/*P

PW
SBCK
SBSY

SFSY

*CS

WRQ

SQOUT

*CQCK

COIN

RWC

.oNemaNniPO/InoitcnuF

1IFEDI .)desununehwV0otdetcennocebtsuM(niptupni)FED(langisnoitcetedtcefeD
2IATI
3ODPO niptuptuorotarapmocesahplortnocOCVlanretxE
4SSVV
5TESIIA nipnoitcennocrotsisertnemtsujdatnerructuptuoODP
6DDVV
7RFIAtnemtsujdaegnarycneuqerfOCV
8SSV
9OMFEO

01NIMFEI niptupnilangisMFE
112TSETI .V0otdetcennocebtsuM.ni-tliubsirotsisernwod-llupAniptupnitseT
21+VLCO
31–VLCO

41P*/VO
51LFHI .tupnittimhcSasisihTniptupnilangisnoitcetedkcarT

61SETI .tupnittimhcSasisihTniptupnilangisrorregnikcarT
71FFOTO niptuptuoffognikcarT
81LGTO .wolnehwniagehtesaercnIniptuptuognihctiwsniaggnikcarT
91+PJO
02–PJO

−

snipLLP

−

−

lortnoclevelecilS

tuptuolortnocrotomcsiD

tuptuopmujkcarT

Crystal oscillation
system generator

16M

4.2M

EFLG

nipylppusrewopOCVlanretnI

niptuptuolangisMFE

.levelwolaovreshguorgnirudlevelhgihastuptuO

XVSS

.V0otdetcennocebtsuMnipdnuorgmetsyslatigiD

FSX

XIN

XOUT

.dnammocrossecorporcimybtuptuoeulav-eerhtottesebnaC

XVDD

niptuptuorotinomgnihctiwscitamotualortnocesahp/ovreshguoR

Interpolation
mute

8 × oversampling
digital-filter

RVSS

RVDD

MUTER/CONT7

.V0otdetcennocebtsuMnipdnuorgOCVlanretnI

Digital
attenuator

1-bit DAC

L. P. F

RCHO

.dnammocrossecorporcimybdeificepsnehwelbissoposlasituptuoeulav-eerhT

Digital
output

LVSS

LCHO

MUTEL/CONT8

30

31

LVDD

C2F

DOUT

.V0otdetcennocebtsuM.ni-tliubsirotsisernwod-llupAniptupnitseT

67

XR-VS77, XR-VS55

.oNemaNniPO/InoitcnuF

12KCPO .dekcolsiesahpehtnehwzHM8123.4niptuptuOniprotinomkcolckcabyalpatadMFE

22QESFO

32DDV
421TNOC
522TNOC2esoprup-lareneG
623TNOC3esoprup-lareneG
724TNOC4esoprup-lareneG
825TNOC5esoprup-lareneG
926TNOC/HPMEO 6esoprup-lareneG/.ksidsisahpme-edafokcabyalpsetacidnilevelhgihAniprotinomsisahpme-eD
03F2CO niptuptuogalf2C
13TUODO )tamrofAJIE(niptuptuolatigiD
233TSETI
334TSETI

43LCCPI

537TNOC/LETUMO
63DDVL
73OHCLO niptuptuolennahctfeL
83SSVL
93SSVR
04OHCRO niptuptuolennahcthgiR
14DDVR
248TNOC/RETUMO niptuptuoetumlennahcthgiR
34DDVX
44TUOXO
54NIXI
64SSVX
74YSBSO niptuptuolangisnoitazinorhcnyskcolcedocbuS
84GLFEO niprotinomnoitcerrocrorreelbuoddnaelgnis2C,1C
94WPO niptuptuoWdnaU,T,S,R,Q,PedocbuS
05YSFSO .etatsybdnatsnieraedocbusehtnehwsllaflangissihTniptuptuolangisnoitazinorhcnysemarfedocbuS
15KCBSI ).desununehwV0otdetcennocebtsuM(.tupnittimhcSasisihTniptupnikcolctuodaeredocbuS
25XSFO rotallicsolatsyrcehtmorfdedividlangisnoitazinorhcnyszHk53.7ehtrofniptuptuO
35QRWO niptuptuoybdnatstuptuoQedocbuS
45CWRI .tupnittimhcSasisihTniptupnilortnocetirw/daeR
55TUOQSO niptuptuoQedocbuS
65NIOCI rossecorporcimlortnocmorfniptupnidnammoC

75KCQC*I
85SER*I .deilppatsrifsirewopretfaylfeirbwoltesebtsumnipsihTniptupniteseR

9511TSTO ).levelwolatuptuoyllamroN(.nepoevaeLniptuptuotseT
06M61O niptuptuozHM4439.61
16M2.4O niptuptuozHM6332.4
265TSETI .V0otdetcennocebtsuM.ni-tliubsirotsisernwod-llupAniptupnitseT
36SC*I .dellortnoctonfiV0otdetcennocebtsuM.ni-tliubsirotsisernwod-llupAniptupnitcelespihC
461TSETI .V0otdetcennocebtsuM.rotsisernwod-llupoNniptupnitseT

−

1esoprup-lareneG

O/I

−

−

−

−

−

−

tib-enolennahctfeL

retrevnocA/D

-enolennahcthgiR

retrevnocA/Dtib

.egnarlangisnoitazinorhcnys

nipylppusrewopmetsyslatigiD

sdnammocllarofelbissoplortnoC:L

nipylppusrewoprotallicsolatsyrC

.tupnittimhcSasisihT

niptuptuonoitcetedlangisnoitazinorhcnyS

detarenegylanretniehtdnalangisMFEehtmorfdetcetedlangisnoitazinorhcnysehtnehwlevelhgihatuptuO

eratahtesehtfoynA.rossecorporcimehtmorfsdnammocatadlairesybdellortnoC

tuptuosaputesro,V0otdetcennocdnastropniptupnisaputesrehtieebtsumdesunu

.nepotfeldnastropnip

.V0otdetcennocebtsuM.ni-tliubsirotsisernwod-llupAniptupnitseT

nipgniyfitnedidnammoctuptuo/tupniesoprup-lareneG

.E22687CLfoesohtotralimissnoitcnufhtiwdesunehwV0otdetcennocebtsuM

dnammoctroptuptuo/tupniesoprup-larenegehtrofylnoelbissoplortnoC:H

niptuptuoetumlennahctfeL

nipylppusrewoplennahctfeL

.V0otdetcennocebtsuMnipdnuorglennahctfeL

.V0otdetcennocebtsuMnipdnuorglennahcthgiR

nipylppusrewoplennahcthgiR

niptnemelerotallicsolatsyrczHM4439.61arofsnoitcennoC

.V0otdetcennocebtsuMnipdnuorgrotallicsolatsyrC

.niptupnikcolctuodaeredocbusnipTUOQSehtdnakcolcnoitisiuqcatupnidnammocehthtobroftupnI

.DDVXdnaDDVR,DDVL,DDVV,DDV,.e.i,snipylppusrewopllaotdeilppusebtsumlaitnetopemasehT:etoN

68

BU9253FS (DISPLAY ASSY : IC3931)

• 1 Chip Karaoke Echo LSI
Block Diagram

•

XR-VS77, XR-VS55

Pin Function

•

CR

MUTE

VCC

ADINT IN

ADINT OUT

16

15 14 13 12 11 10 9

OSC A/D

SRAMCOUNTER

D/A

1

2345678

GND

ECHO VR

BIAS

DAINT IN

ADLPF OUT

DALPF IN

DAINT OUT

MlX IN

ADLPF IN

MIX

MIX OUT

DALPF OUT

.oNemaNniPO/InoitcnuF.oNemaNniPO/InoitcnuF

lDNG-niPdnuorG9NIXlMI tupniPMAXIM
2ohcERVOHCEI lortnoclevelohcE01NIFPLDAI tupniFPLedisDA
3SAIB- saibCDtrapgolanA11TUOFPLDAO tuptuoFPLedisDA
4NITNIADI tupnirotargetnledisAD21TUOTNIDAO tuptuorotargetnledisDA
5TUOTNIADO tuptuorotargetnledisAD31NITNIDAI tupnirotargetnledisDA
6NIFPLADI tupniFPLedisAD41CCV-nipCCV
7TUOFPLADO tuptuoFPLedisAD51ETUMIlortnocetuM
8TUOXIMO tuptuoPMAXIM61RC- rotallics0rofniPRC

CL680T-D1 (VCD ASSY : IC1701)

• MPEG Decoder
Block Diagram

•

HostData

Serial Bitstream

CD Subcode Data

Host

lnterface

CD

lnterace

lnternal Bus

RISC

CPU

DRAM/ROM

lnterface

DRAM and ROM

Decompression

Coprocessors

Video

Interface

Audio

Interface

Video Data

Audio Data

69

XR-VS77, XR-VS55

LA9241ML (VCD ASSY : IC1101)

• CD RF/SERVO
Block Diagram

•

LDD

LDS

VCC1

64

63

62

61

BH1

60

PH1

59

LF2

58

VR

57

REF1

56

VCC2

55

FSS

54

DRF

53

CE

52

DAT

51

CL

50

CLK

DEF

49

FIN2 1

FIN1 2

E3

F4

TB 5

TE- 6

TE 7

TESI 8

SCI 9

TH 10

TA 11

TD- 12

TD 13

APC

I/V

BAL

T.SERVO & T.LOGIC

VCA

VCA

TE

F.SERVO & F.LOGIC

RF DET

REF

u-com

INTER FACE

SPINDLE SERVO SLED SERVO

SLC

RFAmp

NC48

TBC47

FSC46
DGND45

SLI44
SLC43
RFS-43

RFSM41
CV+40
CV-39
SLOF38
HFL37
TES36
TOFF35

TGL34
JP+33

70

JP 14

TO 15

FD 16

17FA18

FD-

19FE20

FA-

21

22NC23SP24

FE-

AGND

25

26

SPG

SP-

27

SPD

28

SLEQ

29

SLD

30

SL-

31

SL+

32

JP-

PDK032A (VCD ASSY : IC1751)

• 1M ROM
Block Diagram

•

A16 2
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

ADDRESS BUFFER

MEMORY MATRIX

ADDRESS DECODER

COLUMN SELECTOR

(131,072 x 8bit)

XR-VS77, XR-VS55

D721
D620

D519
D418

D317

OUTPUT BUFFER

D215
D114

D013

CE 22

OE 24

OE1/OE1
/D.C.

CE

BUFFER

OE

1

BUFFER

TIMING

GENERATOR

SENSE AMP

32

Vcc

16

GND

71

XR-VS77, XR-VS55

LC78632 (VCD ASSY : IC1201)

• Compact Disc Signal Processing and Servo control for Video Compact Disc player.
Pin Function

•

.oNlobmysniPO/InoitpircseD

1ODPVO .niptuptuotseT
220DPO .desunufinepotfelebtsulM.tuptuopmupegrahcLLPkcabyalpedomdeeps-dauqdnadeeps-elbuoD
310DPO .niptuptuopmupegrahcLLPkcabyalpkco1ctipdeeps-lamoN
4SSVA .V0otdetcennocebotyllamroN.nipdnuorgmetsysgolanA
5RF .egnarycneuqerfOCVni-tliubehttesotnipnoitcennocrotsiseR
6DDVA.nipdnuorgmetsysgolanA
7TESI .tnerructuptuo20DPdna10DPtesotnipnoitcennocrotsiseR
8IATI .SSVotdetcennocebtsulM.ni-tliubsiretsisernwod-llupA.niptupnitseT
9OMFEO .niptuptuolangisMFE

01SSV .V0otdetcennoceblamroN.nipdnuorgmetsyslatigiD
11NIMFEI .niptupnilangisMFE
211TSETI .SSVotdetcennocebtsuM.ni-tliubsiretsisernwod-llupA.niptupnitseT
31+VLCO
41-VLCO

51P/VO
612TSETI .SSVotdetcennocebtsuM.ni-tliubsiretsisernwod-llupA.niptupnitseT

713TSETI .SSVotdetcennocebtsuM.ni-tliubsiretsisernwod-llupA.niptupnitseT
814PO/I
91LFHI .tupnittimhcSasisihT.niptupnilangisnoitcetedkcarT

02SETI .tupnittimhcSasisihT.niptupnilangisrorregnikcarT
12KCPO .dekcolsiesahpehtnehwzHM8123.4niptuptu0.niprotinomkcolctibkcabylpatadMFE

22QESFO
32FFOTO .niptuptuoffognikcarT

42LGTO .wolnehwniagehtesaercnI.niptuptuognihctiwsniaggnikcarT
52DLHT.tuptuodlohgnikcarT
624TSETI .SSVotdetcennocebtsuM.ni-tliubsiretsisernwod-llupA.niptupnitseT
72DDV.nipylppusrewopmetsyslatigiD

82+PJO
92-PJO

03+DLSO
13-DLSO
23HPMEO .ksidsisahpme-eDafokcabyalpsetacidnilevelhgihA.niprotinomsisahpme-eD

335PO/I
43OKCRLO .niptuptuokcolcRL:stuptuoretliflatigiD

53OLOFDO .dnammocFFOFDehthtiwdenrutebnacretliflatigidehT.niptuptuoatadRL:stuptuoretliflatigiD
63OKCADO .niptuptuokcolctuB:stuptuoretliflatigiD
731TNOCO.troptuptuO

83KCFD/0PO/I
93NIFD/1PO/I
042PO/I

.noitareleced

.lortnocesahpsetacidnituptuolevel-woladna

.desutonnehw

.langiscnysdetarenegyllanretni

.spmujdrawtuognirudnoitareleced

.desutonnehw

.desutonnehwSSVroDDVotdetcennoc
.desutonnehwSSVroDDVotdetcennoc

roflevelhgihastuptuo-VLCdna,noitareleccaroflevel-hgihastuptuo+VLC.niptuptuolortnocovreseldnipS

,ovreshguorsetacidnituptuolevel-hgihA.niptuptuorotinomgnihctiwscitamotualortnocesahp/ovreshguoR

SSVroDOVotdetcennocdnatupniehtottesrodenepodnatuptuoehtottesebrehtiedluohshcihw,trop0/I

ehthtiwseergalangisMFEehtmorfdetcetedlangiscnysehtnehw"H".niptuptuonoitcetedlangiscnyS

gnrudnoitarelecedrofdnaspmujtuognirudnoitareleccarofhtoblevelhgihatuptuo+PJ.niptuptuopmujkcmT

rofdnaspmujnoitceriddrawnignirudnoitareleccarofhtoblevelhgihastuptuo-pJ.spmujnoitceriddrawni

.rossecorporcimlortnocmetsysehtmorftnessdnammocybslevel4fo1ottesebnacnipsihT.tuptuodelS

SSVroDDVotdetcennocdnatupniehtottesrodenepodnatuptuoehtottesebrehtiedluohshcihw,tropO/I

dnatupniehtottesrodenepodnatuptuoehtottesebrehtiedluohshcihw,niptupnikcolctibFDrotrop0/I

dnatupniehtottesrodenepodnatuptuoehtottesebrehtiedluohshcihw,niptupniatadFDrotropO/I

dnaedomkcohs-itnaehtniretlifsisahpme-edehtforevoegnahcffO/nOroftupninasastcaoslahcihw,tropO/I

.desutonnehwSSVroDDVotdetcennocdnatupniehtottesrodenepodnatuptuoehtottesebrehtiedluohs

72

.oNlobmysniPO/InoitpircseD

14RLFD/3P0/I
24YSRLO .niptuptuokcolcRL:AXMOR

342KCO .dnammocNOC2KCehthtiwdetrevniebnacytiralopehT.niptuptuokcolctiB:AXMOR
44AXM0RO
54F2CO .niptuptuogalf2C:AXMOR

64LETUMO .niptuptuoetumlennahctfeL:CADtib-1
74DDVL.nipylppusrewoplennahctfeL:CADtib-1
84PHCLO .niptuptuoPlennahctfeL:CADtib-1
94NHCLO .niptuptuoNlennahctfeL:CADtib-1
05SSVL .V0otdetcennocebtsuM.nipdnuorglennahctfeL:CADtib-1
15SSVX.V0otdetcennocebtsuM.dnuorgrotallicsolatsyrC

25TUOXO
35NIXI

45DDVX.nipylppusrewoprotallicsolatsyrC
55SSVR .V0otdetcennocebtsuM.nipdnuorglennahcthgiR:CADtib-1
65NHCRO .niptuptuoNlennahcthgiR:CADtib-1
75PHCRO .niptuptuoPlennahcthgiR:CADtib-1
85DDVR.nipylppusrewoplennahcthgiR:CADtib-1
95RETUMO .niptuptuoetumlennahcthgiR:CADtib-1
06YSBSO .niptuptuolangisnoitazinorhcnyskcolcedocbuS
16GLFEO .rotinometatsnoitcerrocrorre2CdnalC
26WPO .niptuptuoWdnaU,T,S,R,Q,PedocbuS
36YSFSO .esatsybdnatsnieraedocbusehtnehwsllaflangissihT.niptuptuolangisnoitazinorhcnysemarfedocbuS
46KCBSI .desunufiV0otdetcennocebtsumnipsihT.tupnittimhcSasisihT.niptupnikcolctuodaeredocbuS
56TUODO .niptuptuolatigiD
66XSFO .rotallicsolatsyrcehtmorfdedividlangisnoitazinorhcnyszHk53.7ehtrofniptuptuo
76QRWO .niptuptuoybdnatstuptuoQedocbuS
86CWRI .niptupnilortnocetirw/daeR
96TUOQSO .niptuptuoQedocbuS
07NIOCI .rossecorporcimlortnocmorfniptupnidnammoC

17KCQCI
27SERI .deilppatsrifsirewopretfaylfeirbwoltesebtsumnipsihT.niptupniteserpihC

37FTSETO .niptuptuotseT
472TNOCO.troptuptuO
57M61O .niptuptuozHM4439.61
67M2.4O .niptuptuozHM6332.4
775TSETI .V0otdetcennocebtsuM.ni-tliubsirotsisernwod-llupA.niptupnitseT

87SCI
97IFEDI .SSVotnipehttcennoc.tonfI.nipsihtesuoteruseB.niptupnilangisnoitcetedtcefeD

08COCVI .SSVotdetcennocebtsuM.niptupnitseT

.dnammoc

.dellortnoc

.kcabyalpdeeps

.noitareleced

.tupnittimhcS

.desutonnehwSSVroDDVotdetcennoc

XR-VS77, XR-VS55

dnatupniehtottesrodenepodnatuptuoehtottesebrehtiedluohshcihw,niptupnikcolcFDrotuptuotroP

AXMORehtgniussiybtuptuoebnacdetalopretnineebtonsahtahtataD.niptuptuoataddetalopretnI:AXMOR

-dauqrofrotallicsolatsyrczHM8868.33aesU.niptnemelerotallicsolatsyrczHM4439.61arofsnoitcennoC
roflevelhgihastuptuo-VLCdna,noitareleccaroflevel-hgihastuptuo+VLC.niptuptuolortnocovreseldnipS

sisihT.niptupnikcolctuodaeredocbusnipTUOQSehtdnakcolcnoitisiuqcatupnidammocehthtobroftupnI

tonnehwPSDtcelesotSSVottcennocoteruseB.ni-tliubsirotsisernwod-llupA.niptupnitcelespihC

73

XR-VS77, XR-VS55

PDC051A (VCD ASSY : IC1501)

• VCD Control Microcomputer
Pin Function

•

.oNlobmySO/IemaNniPnoitcnuF.oNemaNniPO/IemaNniPnoitcnuF

1ZZUB/61PO——)CN(desutoN15PV—— DNGotdetcennoC
20MWP/71PO——)CN(desutoN

303PO ECDC
413PI FRDDClanimretnoitcetedlevelFR

523PO FCDC)evitcA:"L"(ISLDCroftcelespihC
633PO TSRDCISLDCV/DCroflanimretteseR

743POSCV

853PI YDRH
963PO——)CN(desutoN

0173PO——)CN(desutoN
110TNI/07PITNIH)evitcA:"L"(ISLDCVroftupnitpurretnI180GP/84SICSID

21SERI TSRVlanimrettupniteseR281GP/94SIEDISNI

3147PI——)DDVotdetcennoC(desutoN382GP/05SINEPO

4157PO——)CN(desutoN483GP/15SIPMALC
511SSV———DNGotdetcennoC

611FCI——
712FCO——982SSV———DNGotdetcennoC
811DDV———V5+otdetcennoC092DDV———V5+otdetcennoC

91

|

22
32

|

62

721TNI/17PIQRWDC

822TNI/27PO——)CN(desutoN69

923TNI/37PO——)CN(desutoN790KCS/21PO/I
03

|

54
643DDV———V5+otdetcennoC0011KCS/51POKCHISLDCVroftuptuokcolclaireS
74

|

05

0NA/08P

|

3NA/38P
4NA/48P

|

7NA/78P

0T/0S

|

51T/51S

0CP/61S

|

3CP/91S

I——)DNGotdetcennoC(desutoN

O——)CN(desutoN

O——)CN(desutoN

———)CN(desutoN

)etirW:"H"(

)evitcA:"L"(

ISLVDCroflangisyaledataD

)evitcA:"L"(

)KO:"L"(

)evitcA:"L"(tpurretnItnuockcarT

25

|

ISLDCroflanimretlortnocetirW-daeR

55
65

|

36
46

|

retupmocorcimNIAMroftcelespihC

17
274DDV———V5+otdetcennoC

37

|

08

58

|

88

rotanosercimareCzHM6otdetcennoC

1940PO +DAOL
2950PO –DAOL
3960PO ETUMD)evitcA:"L"(revirdovresfoetuM

4970PO LESH

langisybdnatsatadQedocbusDC

590OS/01PO

891OS/31PO——)CN(desutoN
99

4CP/02S

|

7CP/32S
0DP/42S

|

7DP/13S
0EP/23S

|

7EP/93S

0FP/04S

|

7FP/74S

00P

|

30P

0BS/0IS/11P

1BS/1IS/41P

O——)CN(desutoN

O——)CN(desutoN

O——)CN(desutoN

O——)CN(desutoN

O——)CN(desutoN

VDV

ATADDC/

I

O/IOIDHISLDCVroftuptuo/tupniatadlaireS

TUOQS/SDV

KLCDC/KLCV

)msinahcemDC(

noitisopcsidfonoitcetedtupnI

noitisopredilsfonoitcetedtupnI

)msinahcemDC(

noitisopesolc/nepofonoitcetedtupnI

)msinahcemDC(

pmalccsidfonoitcetedtupnI

)msinahcemDC(

revirdrotomgnidaoLfolortnoC

DCVroftuptuotceresataD/sserddA

)sserddA:"H"(ISL

tuptuoatadlaireS

)ISLDC/retupmocorcimNIAM(

tupniatadlaireS

)ISLDC/retupmocorcimNIAM(

tuptuo/tupnikcolclaireS

)ISLDC/retupmocorcimNIAM(

74

7.1.2 DISPLAY
7 XAV3004 (DISPLAY ASSY : V5621)(XR-VS77)

• FL Display

• Pin Assignment

53 1

XR-VS77, XR-VS55

• Grid Assignment

1G 2G 3G 4G 5G 6G 7G 8G 9G

16G

a1 a2

s

t

u

wd1d2

(2G) (2G to 9G) (7G)

15G 14G 13G 12G 11G 10G

a1

a2 S6 S7

h

g

rpn

d1 d2

j

k

m

D1 D1

D2

fb

ec

(9G)

B26 B13

B20 B7

S4

S3

S2

S5

B14 B1

S1

(9G) (16G to 10G)

75

XR-VS77, XR-VS55

• Pin Connection

Pin No.

Connection

Pin No.

Connection

F253F252F251NP50NP491G482G473G464G455G446G437G428G419G4010G3911G3812G3713G3614G3515G3416G33P132P231P330P429P528P6

P726P825P924P1023P1122P1221P1320P1419P1518P1617P1716P1815P1914P2013P2112P2211P2310P249P258P267P276NP5NP4F13F12F1

NOTE 1) F1, F2........... Filament

2) NP................ No pin

3) DL................. Datum Line

4) 1G to 16G..... Grid

• Anode Connection
1G 2G 3G to 6G

P1 –a1a1
P2 a2 a2
P3 hh
P4 jj
P5 kk
P6 bb
P7 (Left) ff
P8 gg

7G

a1
a2

h

k
b

g

27

1

8G

a1
a2

h

j

j

k

b

f

f

g

9G

a1
a2

h

j

k

b

f

g

10G to 16G

B14
B15
B16
B17
B18
B19
B20
B21

P9 (Right) mm
P10 (Upper right) cc
P11 ee
P12 rr
P13 pp
P14 nn
P15 (V-CD) d1 d1
P16 d2 d2
P17 s–
P18 (Under) t–
P19 (PBC) u –
P20 w–
P21 ––
P22 ––
P23 ––
P24 ––
P25 D1 D1
P26 –––

m

c
e

r
p
n

d1
d2

–
–
–
–
–
–
–
–

D1
D2

m

c

e

r
p
n

d1
d2

–
–
–
–
–
–
–
–

D1

–

m

c

e

p

n
d1
d2

S7
S2
S3
S4
S5

B1
B2
B3

r

B4
B5
B6
B7

B8
B22
B23
B24
B25

B9
B10
B11
B12
B26
B13

P27 –––

76

S6

–

–

S1

7 XAV3003 (DISPLAY ASSY : V5621) (XR-VS55)

• FL Display

• Pin Assignment

53 1

• Grid Assignment

10G

11G 12G 13G 14G

XR-VS77, XR-VS55

1G

L12

L10

L11

L9L8L7L6L5L4L3L2L1

LS

(10G)

• Pin Connection

Pin No.

Connection

F253F252NP51NP50NX491G482G473G464G455G446G437G428G419G4010G3911G3812G3713G3614G35NX34NX33P132P231P330P429P528P6

B24

s

B1B9B17 B1 B1B17

t

u
w

B9

Dp2

B16B24B8B8B16

2G 3G 4G 5G 6G 7G 8G 9G 12G

R10

a1 a2

hj

f

g

rn

ec

d1 d2

b

k

m

p

Dp1

R4

R2

R3

R1

R8

R6

R11

R9

R7

R5

(14G)

(2G to 9G)

B8

S1

R12

RS

27

Pin No.

Connection

1

P726P825P924P1023P1122P1221P1320P1419P1518P1617P1716P1815P1914P2013P2112P2211P2310P249P258P267P276NX5NP4NP3F12F1

NOTE 1) F1, F2.......... Filament

2) NP................ No pin

3) NX................ No extend pin

4) DL................. Datum Line

5) 1G to 14G..... Grid

6) Set view angle to 25.8° minimum at lower side.

77

XR-VS77, XR-VS55

• Anode Connection
1G 2G 3G to 6G 12G7G 8G 9G 10G 11G 13G 14G

P1 a1 a1 B1a1 a1 a1 L1 B1 B1 R1
P2 a2 a2 B2a2 a2 a2 L2 B2 B2 R2
P3 hh B3h h h L3 B3 B3 R3
P4 jj B4j j j L4 B4 B4 R4
P5 kk B5
P6 bb B6b b b L6 B6 B6 R6
P7 ff B7f f f L7 B7 B7 R7
P8 gg B8g g g L8 B8 B8 R8

P9 mmm m m L9 B9 B9 R9
P10 ccc c c L10 B10 B10 R10
P11 eee e e L11 B11 B11 R11
P12 rrr r r L12 B12 B12 R12
P13 pp
P14 nnnnn–B14 B14–
P15 d1 d1 d1 d1 d1 – B15 B15 –
P16 –d2d2d2 d2 d2 – B16 B16 –
P17 –s–– – LS B17 B17 RS
P18 –t– S1––––B18 B18–
P19 –u–––––B19 B19–
P20 –w–––––B20 B20–
P21 –––
P22 ––– –

k k k L5 B5 B5 R5

ppp–B13 B13–

(EQ)

(SURR.)
––––B21 B21–
––––B22 B22–

(P.BASS)

P23 ––– –––––B23 B23–
P24 ––– –––––B24 B24–
P25 – Dp1 Dp1 –Dp1 Dp1 – – – – –
P26 ––– –Dp2–––– ––
P27 ––– ––––– ––

78

7.2 DISASSEMBLY

$M MECHANISM VCD

2

Bonnet Case

1

× 2

XR-VS77, XR-VS55

1

× 3

1

1

× 2

× 2

4

7

× 3

6

3

Fitting

Main Cam

Lock Lever

1

× 2

Note: The loading tray can be pulled out
when the main cam is in this position.
(The Lock Lever should be in the
notch of the Main Cam.)

Tray Cap

8

5

× 3

Unhook

12

$M Mechanism VCD

10

(XR-VS55 Only)
Release the jumper wire
from Cord Stopper.

11

9

79

XR-VS77, XR-VS55

FRONT PANEL

1

Unhook

2

Unhook

FM/AM TUNER MODULE

AF Assy

SUB TRANS Assy

PRIMARY Assy SECONDARY Assy

$M MECHANISM VCD ADDITIONAL TO JOB

Mechanism Base (Bottom View)

Front Side

CD SW LED Assy
(XR-VS77 only)

Front Panel

DISPLAY Assy

3

4

80

3

2

1

2

XR-VS77, XR-VS55

Clamper Holder

Clamper Holder

Actuater

2

$M Mechanism CD

1

Hook

2

Actuater

Servo Base

1

Hook

Servo Mechanism
Assy

2

1

Hook

Servo Base

1

Hook

FITTING THE PULLEY INTO THE CARRIAGE MOTOR

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.

Carriage Motor

Motor Pulley

Servicing pulley press-in station

Loading Tray

81

XR-VS77, XR-VS55

7.3 BLOCK DIAGRAM

A

TUNER

MODULE

CD

$ MECH

AUX

(200mV)

TAPE

DECK

(-8dB)

MIC1
MIC2

JA3901
JA3902

I

DUMMY

17

(-2dB)

B

(-8dB)

(-3.8dB)

IC2501
MIC AMP

55

20

18

(+30dB) (+15dB)

VR3901

I

IC3001

E

LC75394

FUNCTION

-

+

15 14 10 11 13

(+2dB) (-6dB)

II

IC2501
MIC AMP

731 5

SURROUND

-

+

To R ch From R ch

BASS

BLASTER

XR-VS77 ONLY

ZOOM

+

BASS

BLASTER

-

+

TONE
BUSS

(3 BAND)

82

TAPE

DECK

PB

Vref

E

Q2301

5

Vref

+

HA12211NT

+

-

+

-

Vref

4

E

Vref

XR-VS77 ONLY

E

VR2305

XR-VS77 ONLY

IC2301

19 14

+

E

IC2201

-

+

HA12136AF
DOLBY NR

TAPE
DECK

FUNCTION

+

11

Vref

62 60

MAIN VOL.

XR-VS77, XA-VS55

E

IC3301

POWER AMP

-

+

1458

STK407-050
(+42dB)

7

FRONT
TOTAL GAIN
+29dB

HEAD
PHONE

CN3991

E

TAPE
DECK

REC IN

XR-VS77 ONLY

E

MPX

+

E

F2201

Vref

Vref

IC2201

-

16

+

HA12136AF
DOLBY NR

+

9

VR2301

E

Vref

E

+

27

HA12211NT

IC2301

­+

+

2

TAPE

DECK

REC

Vref

83

XR-VS77, XR-VS55

8. PANEL FACILITIES AND SPECIFICATIONS

• PANEL FACILITIES

7 XR-VS55

–

≠

Ÿ

7

8
9
0

-

=
~

!
@

#

(

)

1

23 4

VS55

3

PREV NEXT RETURN SELECT

5

6

_

+
¡

£
¢

™

∞

§

1 DISC-1 select button & indicator
2 DISC-2 select button & indicator
3 DISC-3 select button & indicator
4 DISC CHANGE button
5 OPEN/CLOSE button
6 Display
7 CD disc tray
8 CD Function button
9 TUNER/BAND Function button
0 TAPE I/II Function button

- AUX Function button
= TIMER indicator

Lights in Standby mode when the system has been set for timer
operation.

~ STANDBY indicator
! STANDBY/ON switch
@ TUNING 1 4 – PREV button
# TUNING + ¢ ¡ NEXT button
$ STOP/RETURN (7) button

$ % ^ * & ¶•ª º

% 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 cassette door
¶ PRESET button

• EQUALIZER button
ª ZOOM SURROUND button
º P.BASS (DEMO) button
– MIC MAIN SUB jacks
≠ MIC LEVEL knob
Ÿ ECHO LEVEL knob

84

XR-VS77, XA-VS55

ª

•

7 XR-VS77

456 7 8

¤

9123

0

­=

™

~
!

@
#
$

PREV NEXT RETURN SELECT

£

§
∞

¶
¢

fi‹›

%
_

+

^

&*)(¡

1 DISC-1 indicator
2 DISC-2 indicator
3 DISC-3 indicator
4 DISC-1 select button
5 DISC-2 select button
6 DISC-3 select button
7 DISC CHANGE button
8 OPEN/CLOSE button
9 Display
0 CD disc tray

- CD Function button & indicator
= TUNER/BAND Function button & indicator
~ TAPE I/II Function button & indicator
! AUX Function button & indicator
@ 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

ºÀŸ

⁄

≠

–

_ 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
º BASS BLASTER button & indicator
– PRESET button & indicator
≠ EQUALIZER button & indicator
Ÿ ZOOM SURROUND button & indicator
⁄ P.BASS (DEMO) button & indicator
¤ TIMER indicator

Lights in Standby mode when the system has been set for timer
operation.

‹ MIC MAIN SUB jacks
› MIC LEVEL knob
fi ECHO LEVEL knob

*

÷

Dolby noise reduction manufactured under license from Dolby
Laboratories Licensing Corporation.

÷

“DOLBY” and the double-D symbol are trademarks of Dolby
Laboratories Licensing Corporation.

85

XR-VS77, XR-VS55

7 For model XR-VS55

2

3

4

5

6

7 For model XR-VS77

$

=
~

9
^

7

89 0 -

7

5

6



1

=

@

!

#

#

@
!

0

~

-

8

Display section

1 Indicates audio level.
2 Lights when the selected function is CD.
3 Lights when the selected function is TAPE.
4 Indicates CD and TAPE play status.
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.
= 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.
% Displays audio level, spectrum analyzer and other

indications.

^ Indicates CD player operation status.

86

1
2

3
4

PREV NEXT

RETURN

SELECT

567

XR-VS77, XA-VS55

Function button section

1 CD function button
2 TUNER/BAND function button
3 TAPE I/II function button
4 AUX function button
5 TUNING 1,4 (–) PREV, (+) ¢,¡ NEXT buttons
6 STOP/RETURN button (7)
7 PLAY/PAUSE SELECT button (2 3)

÷ Roles of the common operation buttons (The rules of

the buttons vary depending on the input functions as
shown below.)

During CD input

PLAY/PAUSE/SELECT: Play/pause button/SELECT for VCD

playback control

STOP/RETURN: Stop button/RETURN for VCD playback

control

(+) ¢,¡/NEXT: Fast forward/track search button/NEXT

for VCD playback control

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) button

7 Function Auto Play

If you press the CD function button when a CD is loaded, the CD
automatically starts playing. If you press the TAPEI/II function
button when a tape is loaded in the cassette deck, the tape automati­cally starts playing.

NOTE:

The function cannot be switched during recording and tape copying.

87

XR-VS77, XR-VS55

1

2

3

4

5

6

7

123

KARAOKE

Remote control unit

1 OPEN/CLOSE button
2 DISC CHANGE button
3 KEYCON buttons

8

9

4 TAPE I/II function button
5 AUX function button
6 SHIFT button

0

%

-

=

E

~
!

@
#

To operate an indicated function on the numerical key-pad, press
the desired button while pressing the SHIFT button.
Ex. Press -> 1

Press while pressing -> SLEEP

7 SOUND MORPHING mode button & SOUND

MORPHING jog control buttons

8 STANDBY/ON button
9 DISC select buttons (1–3)
0 PGM button

- RETURN button

$

= SLOW , STEP E button
~ BAND button

Use to switch between FM and AM bands.

3 FM
AM 2

! CD function button
@ CD/TAPE/STATION (up,down) operation buttons

¶ CD operation buttons

(Play/Pause 3/8, 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 key-pad and various

functions.

When using for radio station tuning:

Pressing these buttons tunes the unit to the frequencies stored in
memory.

Examples:

Station 5
Station 13
Station 20

When using for the CD player:

Pressing these buttons lets you directly select the tracks you want
from the program you entered.

Examples:

3rd track
99th track

88

• SPECIFICATIONS

STEREO CD/VCD CASSETTE DECK RECEIVER

Amplifier section
<XR-VS55>

[FRONT]

Continuous Power Output (RMS)

.........................................70 W + 70 W (1 kHz, T.H.D. 10%, 6 Ω)

Peak Music Power Output................................................. 1,400 W

<XR-VS77>
[FRONT]

Continuous Power Output (RMS)

.....................................100 W + 100 W (1 kHz, T.H.D. 10%, 6 Ω)

Peak Music Power Output ................................................. 2,000 W

FM/AM Tuner section

FM tuner section

Frequency Range ......................................... 87.5 MHz to 108 MHz

Antenna input ........................................................75 Ω unbalanced

AM tuner section

Frequency Range

With 9 kHz step........................................ 531 kHz to 1,602 kHz

With 10 kHz step ...................................... 530 kHz to 1,700 kHz

Antenna...................................................................... Loop antenna

Miscellaneous

Power Requirements ... AC 110 – 127, 220 – 230, 240 V, 50/60 Hz
Power Consumption

XR-VS55/DBDXJ..............................................................390 W

DLXJ...................................................................90 W

DAMXJ .............................................................380 W

XR-VS77/DBDXJ..............................................................640 W

DLXJ.................................................................160 W

DAMXJ .............................................................640 W

Power Consumption in Standby mode.......................................1 W

XR-VS77, XA-VS55

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 (Normal) tape

Dimensions

XR-VS55, XR-VS77 ................ 270 (W) x 300 (H) x 336 (D) mm

Weight (without package)

XR-VS55 ...........................................................................7.6 kg

XR-VS77 ..............................................................................8 kg

Accessories

Operating instructions .................................................................... 1

Remote control unit ........................................................................1

FM antenna....................................................................................1

AM loop antenna ............................................................................1

Size AA/R6P dry cell batteries ....................................................... 2

Video cord ......................................................................................1

Power cord .....................................................................................1

NOTE:

Specifications and design subject to possible modification without
notice due to improvement.

1

123

KARAOKE

E

Yellow
(L=1.5m)

4

6

2

5

3

1 Remote control unit x 1 : XZN3009 (CU-XR051)
2 FM antenna x 1 : ADH7004
3 AM loop antenna x 1 : XTB3001
4 Video cord x 1 : VDE1034
5 AA/R6P dry cell batteries x 2
6 Power Cord x 1 : ADG1158 (DBDXJ type)

ADG1154 (DLXJ/NC type)

89