Sony XR-A6800 Service Manual

W2-2001

SURROUND MODE

DISPLAY/RDS

REPEAT

PHONES

auto synchro egiting system

• XR-A6800

full logic aut reverse

stereo double cassette deck

STEREO CD CASSETTE DECK RECEIVER

XR-A6800

XR-A4800

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

Type

MYXJ AC220-230V NVXJ – AC230V

XR-A6800 XR-A4800

Model

Power Requirement Remarks

ORDER NO.

RRV2328

CONTENTS

1. SAFETY INFORMATION

2. EXPLODED VIEWS AND PARTS LIST

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

4. PCB CONNECTION DIAGRAM

5. PCB PARTS LIST

6. ADJUSTMENT

PIONEER 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 EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936

c

PIONEER CORPORATION 2000

................................................

.....................................................

.......................................

.................

...

...........................

16 32 46 53

2 3

7. GENERAL INFORMATION

7.1 DIAGNOSIS

7.1.1 DISASSEMBLY

7.2 PARTS

7.2.1 IC

7.2.2 DISPLAY

8. PANEL FACILITIES AND SPECIFICATIONS

..................................................

..........................................................

................................

....................................

...............................................

....

T – IZK JULY 2000 Printed in Japan

62 62 62 65 65 67 69

XR-A6800, XR-A4800

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.

WARNING ! THE AEL (ACCESSIBLE EMISSION LEVEL) OF THE LASER POWER OUTPUT IS LESS THAN CLASS 1 BUT THE LASER COMPONENT IS CAPABLE OF EMITTING RADIATION EXCEEDING THE LIMIT FOR CLASS 1. A SPECIALLY INSTRUCTED PERSON SHOULD DO SERVICING OPERATION OF THE APPARATUS.

LABEL CHECK (For MYXJ and NVXJ Types)

Printed on the Rear Panel

MYXJ Type

NVXJ Type

1.Laser Interlock Mechanism The position of the switch (S9501) for detecting loading state is detected by the system microprocessor, and the design prevents laser diode oscillation when the switch (S9501) is pressed physically. Thus, the interlock will no longer function if the switch (S9501) is released physically and deliberatery .

The interlock also does not function in the test mode ∗. Laser diode oscillation will continue, if pin 1 of CXA1821M (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 e xposure to a Class 1 laser beam.

LASER DIODE CHARACTERISTICS MAXIMUM OUTPUT POWER: 5 mW WAVELENGTH: 780 nm to 785 nm

Additional Laser Caution

∗

: Refer to page 61.

2

XR-A6800, XR-A4800

2. EXPLODED VIEWS AND PARTS LIST

NOTES:• Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List.

2.1 PACKING

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.

•

4

VOL

K A

R A O K

E

S

DISC DISCDISC

F

S

C L E E

P

P .B

POW

CLEAR A S S

ER

D IS P

PGM L A Y

A U X

R E P E A T

R A N

D O M

S T A

T

REM

IO

N

O TE CO

NTRO

MONOBAND

L U NIT CU

-XR025

5

XR-A6800/MYXJ and XR-A4800/MYXJ Only

1

2

3

6

11

13

14

12

8(1/2)

9(1/2)

7

XR-A4800/NVXJ Only

1

17

16

9(2/2)

8(2/2)

(1) PACKING PARTS LIST

Mark No. Description Part No.

1 Power Cord See Contrast table (2)

2 FM Antenna ADH7005 3 AM Loop Antenna XTB3001 4 Remote Control Unit XZN3106 5 Battery Cover XZN3103

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

7 Packing Sheet AHG7049 8 Front Pad XHA3018 9 Rear Pad XHA3019

10 Packing Case See Contrast table (2)

NSP 11 Warranty Card ARY7022

12 Polyethylene Bag Z21-038

(0.03 × 230 × 340)

13 Operating Instructions XRE3030

(English/French)

14 Operating Instructions See Contrast table (2)

(Italian/Dutch/German)

15 Operating Instructions See Contrast table (2)

(Portuguese/Swedish/Spanish)

NSP 16 Polyethylene Bag See Contrast table (2) 17 Fuse (T5A) See Contrast table (2)

15

10

XR-A6800/MYXJ and XR-A4800/MYXJ Only

(2) CONTRAST TABLE

XR-A6800/MYXJ, XR-A4800/MYXJ and NVXJ are constructed the same except for the following :

Mark No. Symbol and Description

1

Power Cord

10

Packing Case

14

Operating Instructions (Italian/Dutch/German)

15

Operating Instructions (Portuguese/Swedish/Spanish)

NSP

16

Polyethylene Bag

17

Fuse (T5A)

XR-A6800/MYXJ XR-A4800/MYXJ XR-A4800/NVXJ

ADG1154 XHD3143 XRC3020

XRC3021

Not used Not used

Part No.

ADG1154 XHD3142 XRC3020

XRC3021

Not used Not used

Remarks

ADG1156 XHD3142

Not used Not used

AHG7033 AEK7001

3

XR-A6800, XR-A4800

2.2 EXTERIOR SECTION

32

(1/3)

Refer to "2.4 $M MECHANISM CD-2".

5

26

27

Note :

Hook Tray cap on top of loading

tray and then insert the bottom

three hooks.

32

46

45

(2/3)

42

32

2

33

41

(3/3)

9

G

28

35

A

E

G

39

34

XR-A6800 Only

F

44

13

46

15

45

XR-A6800/MYXJ, XR-A4800/MYXJ Only

43

XR-A6800

30

Only

45

45 45

3

H

31

39

45

22

XR-A6800

29

8

Only

39

6

45 43

43

XR-A6800 Only

17

XR-A6800

16

Only

7

F

41

4

A

E B

F

1

Refer to "2.3 FRONT PANEL SECTION".

36

4

25

39

37

14

A

B

C

D

40

23

40

19

39

38

18

24

39

C

D

39

G

24

21

XR-A6800, XR-A4800

(1) EXTERIOR SECTION PARTS LIST

Mark No. Description Part No. Mark No. Description Part No.

1 AF Assy See Contrast table (2) 2 SECONDARY Assy See Contrast table (2) 3 PRIMARY Assy See Contrast table (2) 4 FM/AM TUNER Module AXQ7068

NSP 5 $M MECHANISM CD-2 See Contrast table (2) 6 Ceramic Capacitor (C1) CKPUYB102K50

7 Power Transformer (T1) See Contrast table (2) 8 Fuse (FU2) See Contrast table (2)

9 Flexible Cable (08P) XDD3048

10 • • • • • 11 • • • • •

12 • • • • • 13 PCB Bracket ANG7263

NSP 14 Chassis XNA3005

15 Rear Panel See Contrast table (2) 16 PCB Bracket XNG3006

17 Earth Plate XNG3015 18 Heat Sink See Contrast table (2) 19 Sub Heat Sink B XNH3012 20 • • • • •

21 Cushion Leg A XEB3008 22 Wire Clip A XEC3003 23 Card Spacer XEC3008 24 Leg XMR3012 25 SEC Holder A See Contrast table (2)

NSP 29 Fuse Card See Contrast table (2)

NSP 36 Getter See Contrast table (2) NSP 37 DO NOT THROW Assy • • • • • NSP 38 CABLE HOLDER Assy • • • • •

26 Tray Cap Assy XAK3156 27 Pioneer Badge XAM3001 28 Bonnet Case XZN3098

30 Caution Label HE See Contrast table (2) 31 Caution Label See Contrast table (2)

32 Disc Label XAX3127 33 ICP Label See Contrast table (2) 34 ICP Label See Contrast table (2) 35 ICP Label See Contrast table (2)

39 Screw BBZ30P080FMC 40 Screw BBZ30P180FMC

41 Screw ASZ40P060FMC 42 Screw BPZ30P080FMC 43 Screw VBZ30P080FZK 44 Barier XEC3013 45 Screw BPZ30P100FZK

46 Screw VBT30P080FZK

(2) CONTRAST TABLE

XR-A6800/MYXJ, XR-A4800/MYXJ and NVXJ are constructed the same except for the following :

Mark No. Symbol and Description

1

AF Assy

2

SECONDARY Assy

3

NSP

PRIMARY Assy

5

$M MECHANISM CD-2

7

Power Transformer (T1)

XR-A6800/MYXJ XR-A4800/MYXJ XR-A4800/NVXJ

XWZ3310 XWZ3304 XWZ3312 XXA3012

XTS3037

Part No.

XWZ3297 XWZ3289 XWZ3299 XXA3009 XTS3036

Remarks

XWZ3297 XWZ3289 XWZ3299 XXA3009

XTS3036

NSP

8

Fuse (FU2)

15

Rear Panel

18

Heat Sink

25

SEC Holder A

29

Fuse Card

30

Caution Label HE

31

Caution Label

33

ICP Label

34

ICP Label

35

ICP Label

36

Getter

AEK1061 (T5A)

XNC3058 XNH3010 XMR3014 AAX7098

PRW1233 VRW1094 XAX3121 XAX3153 XAX3158

XAX3169

AEK1060 (T4A)

XNC3053 XNH3009 XMR3015

Not used

PRW1233 VRW1094

Not used Not used Not used

XAX3163

AEK1060 (T4A)

XNC3053 XNH3009 XMR3015

Not used

PRW1018

Not used Not used Not used Not used

XAX3163

5

XR-A6800, XR-A4800

2.3 FRONT PANEL SECTION

19

33

27

34

32

28

53

39

41

11

46

26

52

36

49

9

16

40

35

38

A

18

43

30

29

37

17

11

B

54

21

2

J

55

23

54

10

8

51

C

55

7

12

55

6

I

1

D

C

24

55

22

Refer to "2.6 DECK MECHANISM UNIT".

3

55

56

55

4

55

D

5

57

55

25

15

20

14

44

42

45

47

A

13

48

B

6

XR-A6800, XR-A4800

(1) FRONT PANEL SECTION PARTS LIST

Mark No. Description Part No. Mark No. Description Part No.

1 DISPLAY Assy See Contrast table (2) 2 BLUE LED Assy XWZ3292 3 Deck Mechanism Unit XYM3012 4 Flexible Cable 27P XDD3041 5 Flexible Cable 15P XDD3050

6 Flexible Cable 19P XDD3051 7 GND Plate B XNG3031 8 GND Plate C See Contrast table (2) 9 Ratch Spring_L ABH7130

10 Ratch Spring_R ABH7131 11 Damper Assy XXA3025

12 Door Spring_L XBH3010 13 Door Spring_R XBH3011 14 Cushion Leg A XEB3008 15 Cushion Spring XEB3010

16 Ratch Mold_L XMR3001 17 Ratch Mold_R XMR3002 18 Volume Knob XAA3013 19 JOG Knob XAA3015 20 MIC Knob XAB3007

21 FUNC Button L See Contrast table (2) 22 FUNC Button R See Contrast table (2) 23 FUNC Frame L XAD3052 24 FUNC Frame R XAD3053 25 CD ENT Button XAD3055

26 Display Panel See Contrast table (2) 27 EQ Panel See Contrast table (2) 28 JOG Lens XAK3152 29 V Lens XAK3153 30 LT Conductor XAK3155

31 • • • • • 32 FL Filter XAK3162 33 FL Cover XAK3163 34 Cover Sheet L XAK3184 35 Cover Sheet R XAK3185

36 Power Button See Contrast table (2) 37 CD Button XAD3045 38 SC Button XAD3046 39 SC Button L XAD3047 40 SC Button R XAD3048

41 DOLBY Button XAD3054 42 Sub Panel See Contrast table (2) 43 ST Lens XAK3151 44 Deck Lens L XAK3159 45 Deck Lens R XAK3160

46 JOG Conductor XAK3165 47 Deck Door_L See Contrast table (2) 48 Deck Door_R See Contrast table (2) 49 Front Panel XMB3026 50 • • • • •

51 GND Plate A See Contrast table (2) 52 Spacer XEB3012 53 Spacer XEB3013 54 Spacer XEB3011 55 Screw BPZ30P080FMC

56 Connector Assy 3P XDE3037 57 Connector Assy 5P XDE3038

(2) CONTRAST TABLE

XR-A6800/MYXJ, XR-A4800/MYXJ and NVXJ are constructed the same except for the following :

Mark No. Symbol and Description

1

DISPLAY Assy

8

GND Plate C

21

FUNC Button L

22

FUNC Button R

26

Display Panel

27

EQ Panel

36

Power Button

42

Sub Panel

47

Deck Door_L

48

Deck Door_R

51

GND Plate A

XR-A6800/MYXJ XR-A4800/MYXJ XR-A4800/NVXJ

XWZ3311 XNG3047 XAD3050 XAD3051 XAK3130

XAK3150 XAD3044 XAK3142 XAN3022 XAN3026

Not used

Part No.

XWZ3298

Not used XAD3076 XAD3077 XAK3125

XAK3149 XAD3043 XAK3137 XAN3021 XAN3025

XNG3030

Remarks

XWZ3298

Not used XAD3076 XAD3077 XAK3125

XAK3149 XAD3043 XAK3137 XAN3021 XAN3025

XNG3030

7

XR-A6800, XR-A4800

2.4 $M MECHANISM CD-2

12

29

26

8

7

A

14

13

D

2

15

29

18

6

19

21

1

C

27

Refer to "2.5 SERVO MECHANISM ASSY".

25

22

D

24

23

11

C

5

28

29

10

30

32

29

16

29

17

29

D

B

A

9

B

E

4

C

31

3

B

20

8

29

(1) $M MECHANISM CD-2 PARTS LIST

(2) CONTRAST TABLE

$M MECHANISM CD-2 (XXA3012) and (XXA3009) are constructed the same except for the following :

Mark No. Symbol and Description

Part No.

Remarks

XXA3012 (XR-A6800) XXA3009 (XR-A4800)

3 CD Assy XWZ3233 XWZ3229

XR-A6800, XR-A4800

Mark No. Description Part No.

1 MOTOR Assy XWZ3230 2 SW Assy XWZ3231 3 CD Assy See Contrast table (2) 4 TRADE Assy XWZ3232 5 Servo Spring ABH7126

6 Belt AEB7072 7 Clamp Magnet AMF7001 8 Yoke ANB7216 9 Mecha Base XNW3011

10 Loading Tray XNW3002 11 Traverse Base XNW3006

12 Rotary Tray ANW7124 13 Clamper XNW3007 14 Clamper Holder XNW3004 15 Main Cam ANW7093

Mark No. Description Part No.

16 Gear Pulley ANW7094 17 Lock Lever ANW7095 18 Planet Gear ANW7096 19 Actuator ANW7097 20 Mini Card Spacer AEC7143

21 16P 200 Flexible Cable/60V XDD3036 22 Connector Assy (6P) ADE7010 23 Float Rubber A AEB7063 24 Float Rubber B AEB7066 25 Servo Mechanism Assy XXA3010

26 Screw IPZ30P080FMC 27 Carriage Motor VXM1033 28 Motor Pulley PNW1634 29 Ha Narl GEM1016 30 Cushion Rubber XEB3005

31 11P 185 Flexible Cable/30V XDD3037 32 Cushion Rubber XEB3007

2.5 SERVO MECHANISM ASSY

No supplied part

4

1

14

9

5

SERVO MECHANISM ASSY PARTS LIST

•

Mark No. Description Part No.

NSP 1 Motor Chassis Assy • • • • •

NSP 5 Screw +P2*3 • • • • •

3

2

2 Motor Gear Assy X-2625-769-(1) 3 Sled Shaft 2-626-908-(01) 4 Gear (A)(S) 2-625-188-(02)

6 Leaf Switch 1-572-085-(11) 7 Motor(6p)(S)PCB 1-639-678-(12) 8 Connector Pin 6p 1-564-722-(11) 9 Gear(B)(RP) 2-627-003-(01)

10 • • • • • 11 • • • • •

12 • • • • • 13 • • • • • 14 KSS-213C(Pick-up) 8-848-483-(05)

6

8

7

9

XR-A6800, XR-A4800

2.6 DECK MECHANISM UNIT

• DECK MECHANISM UNIT (1/2)

42

22

41

23

67

80

15

16

20

60

17

81

104

18

19

101

100

81

61

45

88

19

83

62

102

103

18

63

1

13

3

10

4

5

84

86

80

39

34

XR-A6800, XR-A4800

35

70

107

43

68

25

69

27

105

51

32

33

82

50

36

37

87

30

29

64

14

11

66

65

12

14

28

85

6

106

52

11

XR-A6800, XR-A4800

• DECK MECHANISM UNIT (2/2)

22

23

53

107

67

15

20

81

104

19

18

101

100

81

61

45

19

62

103

102

2

13

47

12

80

16

60

17

82

83

84

63

4

5

3

34

XR-A6800, XR-A4800

35

70

43

107

68

25

69

105

48

26

107

27

32

33

36

37

87

30

29

28

64

14

11

66

65

12

6

85

31

106

14

13

XR-A6800, XR-A4800

DECK MECHANISM UNIT PARTS LIST

•

1 Assy’y HD Holder 50-093-4373 2 Assy’y HD Holder 50-093-4104 3 Frame HD 50-219-3024 4 Plate AZ 50-119-4046 5 Spring AZ 50-160-4108

6 Lever HD 50-259-3342

Mark No. Description Part No.Mark No. Description Part No.

60 Spring 01-081-4601 61 Spring 01-082-4652

62 Spring 01-082-4651 63 Spring 01-082-4650 64 Spring 01-080-4649 65 Spring 01-080-4607

11 Chassis HD 50-112-3045 12 Cap Pinch R 50-219-4033 13 Cap Pinch L 50-219-4034 14 Roller Pinch 50-027-41054 15 Ass’y Plate D 50-219-4311

16 Cap Reel 50-228-4020 17 Gear Reel 50-222-4006 18 Lever ST 50-259-4041 19 Guide C 50-219-4014 20 Lever Brake 50-259-3251

22 Arm SW 50-239-4027 23 Arm CS 50-239-4026 25 Ass’y Cover 50-093-4063

26 Ass’y Flywheel LA 50-093-3366 27 Arm Trigger 50-268-3016 28 Arm Cam 50-139-4292 29 Gear Cam 50-221-3009 30 Coller 03-300-4455

31 Ass’y Flywheel RA 50-093-3360 32 Ass’y Clutch 50-093-4069 33 Arm UD A 50-239-4017 34 Gear UD 50-222-4007 35 Pulley D 50-223-4254

36 Plunger 03-300-4442 37 Ass’y Bobbin 50-093-4125 39 Ass’y Motor 50-093-4316

41 Belt BR 02-084-4205 42 Belt AR 02-084-4203 43 Belt FR 02-083-4188 45 PCB HD 50-070-4057

66 Spring 01-080-4635 67 Spring 01-082-4654 68 Spring 01-082-4598 69 Spring 01-082-4597 70 Spring 01-081-4657

80 Screw GSE10A2003 81 Screw GSE20A2005

82 Screw GSE10A2004 83 Screw GSD10A2018 84 Screw 03-300-4056 85 Screw GSL10A1704

86 Screw GSP10A2603 87 Screw GSP11A2012

88 Screw GSE20A2004 100 Washer GWN21X040040 101 Washer GWM19X055035S

102 Washer GWM19S035035 103 Washer GWM17S050035S 104 Washer GWM48X075010 105 Washer GWP23X040020

106 Washer GWP21X045020 107 Washer GWP12X030040S

14

46 Housing S5BPHKS 47 Housing S3BPHKS 48 Pulley IDL 50-223-4023 50 Ass’y PCB 50-093-4363

51 Ass’y Flywheel L 50-093-3367 52 Ass’y Flywheel RB 50-093-3361 53 Pulley 33-229-4264

XR-A6800, XR-A4800

15

1

23

XR-A6800, XR-A4800

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM and OVERALL WIRING DIAGRAM

A

JA3902 JA3901

CN5502

I

DISPLAY ASSY (XR-A6800 : XWZ3311) (XR-A4800 : XWZ3298)

MAIN

MIC

SUB

MIC VOL

2 7

IC3901

BA4558F-HT

MIC AMP

CN5501

CN5105

V5621

FL TUBE

LEDs

IC5501

PDC063A

SYSTEM

CONTROL

29

12 13

MAIN VOL

MORPHING JOG

4

X5901

KEYs

DECK CONTROLCD CONTROL

REMOTE RECEIVER UNIT

B

CN6201

BN6201

FM

AM

IC6201

LA1832ML

1

FM

2

AM

14

L

15

R

A

FM/AM TUNER MODULE

C

(AXQ7068)

AUX IN

JA3001

L

R

CN3051

4 16

BU1923F

IC5751

RDS IC

L

19 30

R L

17 32

R L

16 33

R

21

L

28

R

DECK

TUNER

AUX

CD

IC3001

LC75394NED

E-VOL IC

F

60

L

53

R

61

L

52

R

58

L

55

R

F 1/3- F 3/3

VOCAL FADER

6 9

AF ASSY (XR-A6800 : XWZ3310)

IC3836

BA3838F

L R

3

L

8

R

IC3301 STK407-090B (XR-A6800) STK407-070B (XR-A4800)

POWER AMP

14

L

10

R

7

L

1

R

IC3501, IC3502

BA4558F-HT

GODZILLA AMP

L

7 6

R

L

5 3

R

(XR-A4800 : XWZ3297)

CN1052

CN8201

CN8204

CD ASSY

7278

R

L

DIGITAL

SERVO

CN8101

D

CN8102

IC8101

CXA1821M

RF AMP DRIVER

IC8301

BA5970FP

CN8002

CN9002

CN9001

LOADING

DRIVER

B

(XR-A6800 : XWZ3233) (XR-A4800 : XWZ3229)

JA8651

XR-A6800 ONLY

CN9501

D

J9501

SERVO MECHANISM ASSY (XXA3010)

TRADE ASSY

E

(XWZ3232)

$M MECHANISM CD-2 (XR-A6800 : XXA3012) (XR-A4800 : XXA3009)

SW ASSY (XWZ3231)

J9502

C

MOTOR ASSY (XWZ3230)

J9502

16

1234

5

678

XR-A6800, XR-A4800

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

BLUE LED

J

ASSY (XWZ3292)

J5602

J5601

DECK MECHANISM UNIT (XYM3012)

CN2901

XR-A6800 ONLY

CN3331

L

SPEAKERS

R

MATRIX

XR-A6800 ONLY

JA3441

L R

9 LLR

16

1

R

DOLBYNR IC

J81

19 18

27 26

8

IC2201

HA12136AF

2

3

LR

L

R

IC2301

L

HA12211NT

REC PB IC

R

8 9 LR

: AUDIO SIGNAL ROUTE (CD)

CN2303CN2301

CN2302

A

B

JA3991

PHONES

G

J11 J11

SECONDARY ASSY (XR-A6800 : XWZ3304) (XR-A4800 : XWZ3289)

T1

POWER

TRANSFORMER XR-A6800 : XTS3037 XR-A4800 : XTS3036

RY81

CN81

IC81

Q81

H

PRIMARY ASSY (XR-A6800 : XWZ3312) (XR-A4800 : XWZ3299)

CN2

4 3 2 1

CN1

2 1

RY81

D81

T2

FU2 XR-A6800 : AEK1061 (T5A) XR-A4800 : AEK1060 (T4A)

L1

AN1

AC POWER CORD MYXJ : ADG1154 NVXJ : ADH1156

C

D

17

5

6

7

8

1

XR-A6800, XR-A4800

3.2 FM/AM TUNER MODULE

A

RF AMP

OSC

B

23

MIX AMP

4

BUFFER

IF AMP

FM +B SW

C

AM RF TUNING BLOCK

D

18

A

1234

PLL

5

678

XR-A6800, XR-A4800

A

FM/AM TUNER MODULE

A

(AXQ7068)

: The power supply is shown with the marked box.

B

AF AMP

REGULATOR

CN3051

2/3

F

AF AMP

CN6201

KP200IA14L

C

D

A

5

6

7

8

19

1

23

XR-A6800, XR-A4800

3.3 CD, MOTOR, SW and TRADE ASSYS

4

A

CD ASSY (XR-A6800 : XWZ3233)

B

(XR-A4800 : XWZ3229)

TRADE

E

B

SERVO MECHANISM ASSY

SW ASSY

D

ASSY (XWZ3232)

CN9001

(S)

S6B-PH-K-S

(S) (C) (C)

(S)

(F)

(T)

(S)

(C) (C)

(S)

(S)(S)

(C)

(S)

(S) (C)

(C) (T) (T) (F) (F)

(F)

(XWZ3231)

J9501

D20PWY0610E

(C)(L)

(L)

(L) (L) (C) (L)

(C)

(C) (L)

(C)

(F)

CN9002

C

(L)

J9502

D20PWW0405E

CN9501

52147-0610

SLW11R-1C7

CN8002

SLW11R-1C7

(T)

C

CARRIAGE

S9503

(LOADING)

VXM1033

D

SERVO MECHANISM ASSY

CN8101

SLW16R-1C7

20

B C D E

1234

MOTOR

(F) (T) (T) (F)

ASSY (XWZ3230)

(CD)

(F)

(T)

(F) (T) (T) (F)

MOTOR

(F)

(T)

(CD)(CD)

2

1

5

678

XR-A6800, XR-A4800

: The power supply is shown with the marked box.

(CD)

: CD AUDIO SIGNAL ROUTE

(F)

: FOCUS SERVO LOOP LINE

(T)

: TRACKING SERVO LOOP LINE

(S)

: SPINDLE MOTOR ROUTE

(C)

: CARRIAGE MOTOR ROUTE

(L)

: LOADING MOTOR ROUTE

CN8204

52044-0845

A

CN1052

(CD)

2/3

F

(CD)

(S) (C)

(C) (T) (T) (F) (F)

(F)

(T)

(CD)

(CD)(CD)

CN8201

52045-1945

B

CN5502

I

(CD)

(L) (L)

XR-A6800

(T)

(CD)(CD)(CD)

ONLY

C

(CD)

(L)

(L) (L)

5

6

(L)

XR-A6800 ONLY

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

CN8203- Pin 1 :

1

PLAY MODE (RF)

H : 500nsec/div

7

1.8Vp-p

VREF

IC8101- Pin 13 :

2

TEST MODE, Tracking Open(TRER)

H : 5msec/div

1.0Vp-p VREF

B

8

D

21

1

XR-A6800, XR-A4800

3.4 AF ASSY (1/3)

A

F 1/3

B

23

AF ASSY (XR-A6800 : XWZ3310)

(XR-A4800 : XWZ3297)

R2311, R2312 XR-A6800 : 27k XR-A4800 : 22k

XR-A6800 ONLY

(REC)

XR-A4800 ONLY

(REC)

XR-A6800 ONLY

XR-A4800 ONLY

(PB)

-3.7 (XR-A6800)

(PB)

XR-A4800 ONLY

XR-A6800 ONLY

XR-A4800 ONLY

4

(REC)(REC)

XR-A4800 ONLY

XR-A6800 ONLY

(REC)

(PB) (PB)

(PB)

(REC)

(PB)

XR-A4800 ONLY

C

XR-A4800 ONLY

XR-A6800 : 33k XR-A4800 : 47k

VR2802 XR-A6800 : 220k (VCP1164) XR-A4800 : 100k (VCP1162)

VR2801

XR-A6800

220k VCP1164

ONLY

D

22

F

1/3

1234