background image

CX-JT8

27

27

CN708

C711

C712

C721

C719

C720

C718

C717

C715

C716

C714

C706

C707

R739

R740

R741

M702

M701

R738

C747

C748

R707

C705

C709

R730

C746

C708

R729

C743

C744

R725

R726

R731

C754

C742

C753

R760

C756

C722

FB707

FB708

R720

R719

R718

R721

C830

R826

R827

R828

R825

C825

R823

R824

C829

FB808

FB701

R765

C734

C735

X701

C732

C733

C729

C811

R817

R818

C812

R819

R820

FB807

FB801

FB802

C844

C856

C810

R801

R802

C837

R803

R804

R805

C813

C814

C843

C803

C805

C815

C816

R834

R833

R832

IC803

FB803

FB805

FB806

CN710

(SUFFIX-11)

(SUFFIX-13)

C802

C807

R732

C806

C817

R717

R716

C741

R728

R745

R701

R706

R708

C710

R727

C703

C723

R711

R703

R704

R705

C702

C701

R702

FB804

C831

C704

R709

S701

R714

R715

TP

TP

TP

TP

C713

R829

R747

R746

R713

C823

C824

R744

R807

R806

IC801

C804

C859

C858

C857

C860

R860

C835

C834

C731

Q701

R722

IC721

IC722

IC802

16P

0.1

47p

0.1

0.0047

100p

1

0.0047

1 50V

0.001

0.1

0.1

100

6.3V

0

6.8k

0

6.8k

0.1

220
10V

10

0.001

100

6.3V

1.2k

0.1

0.1

12k

0.047

1

680

680

2.2k

47p

0.1

47p

100

47p

0.1

100

100

100

100

22p

100

100

100

100

47p

100

100

47p

1M

15p

18p

16.9344MHz

0.01

0.01

220
10V

0.1

3.3k

150

1

1k

1k

0.1

1

0.1

100

100

0.1

100

100

100

0.1

100

6.3V

0.1

0.01

100

6.3V

220
10V

0.1

100

100

2.2k

MM1571J

19P

0.1

100

6.3V

0

0.1

0.1

100

100

0.1

47k

100

47k

47k

10k

0.047

100

0.1

100

6.3V

330

15k

15k

15k

100

6.3V

0.1

15k

22p

47

6.3V

27k

100

100

0.0047

100

33

33

1k

47p

47p

100k

100

100

LC78684E-E

22p

22p

22p

22p

100p

100

0.1

220
10V

0.1

UP0411600SO

1k

LC78646E-E

BA5836FP

LC32V4265CT

-25

D

R

F

DRF

C

D

_

R

E

S

CD_RES

C

D

_

W

R

Q

CD_WRQ

D

O

DO

D

I

DI

C

L

CL

C

D

_

C

E

CD_CE

W

E

R

A

S

A

0

A

1

A

2

A

3

A

4

A

5

A

6

A

7

A

8

U

C

A

S

L

C

A

S

I/O

9

I/O

1

0

I/O

1

1

I/O

1

2

I/O

1

3

I/O

1

4

I/O

1

5

I/O

1

6

I/O

1

I/O

2

I/O

3

I/O

4

I/O

5

I/O

6

I/O

7

I/O

8

I/O

1

I/O

2

I/O

3

I/O

4

I/O

5

I/O

6

I/O

7

I/O

8

I/O

9

I/O

1

0

I/O

1

1

I/O

1

2

I/O

1

3

I/O

1

4

I/O

1

5

I/O

16

M

P

3

_

C

E

MP3_CE

FSYNC

FS

Y

N

C

A0

A1

A2

A3

A4

A5

A6

A7

A8

OE

UCAS

LCAS

WE

RAS

O

E

F

G

N

D

V

C

V

C

C

E

C

B

N

C

A

D

VC

VCC

E

D

A

B

C

F

GND

LD

VR

PD

F+

T-

T+

F-

(SLED)

(SPINDLE)

G

N

D

S

L

IN

IN

4

B

IA

S

V

C

C

V

C

C

T

IN

IN

3

R

E

S

E

T

VO

3

(+)

V

O

3(-)

V

O

4(-)

V

O

4

(+)

S

P

IN

R

ES

ET

R

E

G

-B

R

E

G

O

U

T

M

U

TE

G

N

D

IN

2

FO

IN

G

N

D

O

P

 O

U

T

V

O

2

(-)

V

O

2

(+

)

V

O

1

(+

)

V

O

1

(-)

IN

(-)

O

P

SLCIST

EFMIN

RF

RFVDD

RFVSS

FIN1

FIN2

TIN1

TIN2

VREF

REF1

FE

TEC

TE

RFMON

JITTC

ADAVDD

ADAVSS

TDO

FD

O

S

P

D

O

S

LD

O

G

P

D

A

C

C

O

N

T

4

M

P

3

R

E

S

D

E

F

E

C

T

F

S

E

Q

M

O

N

I1

M

O

N

I2

M

O

N

I3

M

O

N

I4

M

O

N

I5

V

SS

V

D

D

D

O

U

T

TEST

V

/*

P

S

B

C

K

/F

G

L

D

S

FR

V

V

D

D

P

C

K

IS

T

V

V

S

S

P

D

O

2

P

D

O

1

C

O

N

T

2

V

SS

V

D

D

5

D

R

F

D

O

D

I

C

L

C

E

L

IM

IT

 S

W

C

D

_

M

U

T

E

DATA

DATACK

LRSY

ASDFIN

ASDACK

ASLRCK

16MOUT

EFLG

C2F

XVSS

XIN

XOUT

XVDD

RVDD

RCHO

RVSS

LCHO

LVDD

FSX/16MIN

DRF

FSYNC

CL

DO

DI

3.3V

3.3V

AMUTE

CD_CE

CD_WRQ

CD_RES

D.OUT

MP3_CE

VIN

GND

CONT

VO

NOISE

V

S

S

I/O

16

I/O

15

I/O

1

4

I/O

1

3

V

S

S

I/O9

I/O

1

0

I/O

1

1

I/O

1

2

N

C

L

CA

S

U

CA

S

O

E

A8

A7

A6

A5

A4

V

S

S

V

CC

I/O

1

I/O

2

I/O

3

I/O

4

V

C

C

I/O

5

I/O

6

I/O

7

I/O

8

N

C

N

C

W

E

R

AS

N

C

A0

A1

A

2

A3

V

CC

MADRS0

MADRS1

MADRS2

MADRS3

MADRS4

MADRS5

MADRS6

MADRS7

MADRS9

MADRS8

DVDD4

VSS

MADRS10

MADRS11

MADRS12

OEB

CASUB

CASLB

WEB

RASB

DATACK

D

A

T

A

IN

R

ES

B

IN

T

B

C

E

C

L

CM

D

IN

C

M

D

O

U

T

O

V

F

CN

T

O

K

W

O

K

V

S

S

D

V

D

D6

C

R

C

F

FS

Y

N

C

STD

AT

S

TC

K

S

T

R

EQ

V

S

S DVDD5

DVDD2

V

S

S

M

D

A

T

A0

M

D

A

T

A1

M

D

A

T

A

2

M

D

A

T

A

3

M

D

A

T

A

4

M

D

A

T

A5

M

D

A

TA

6

M

D

A

TA

7

D

V

D

D

3

VS

S

M

D

A

TA

8

M

D

A

T

A9

M

D

A

T

A

10

M

D

A

TA

11

M

D

A

TA

1

2

M

D

A

TA

13

M

D

A

TA

14

MDATA15

LRSY

ADDATA

ADLRCK

C2FIN

TEST1

CKIN

VSS

CKOUT

TEST2

DVDD1

PW

SBSY

SFSY

SBCK

AVDD

VPRFR

VCOC

VPDO

AVSS

+1.8V REGULATOR

ADBCK

LVSS

*

W

R

Q

*R

E

S

LD

D

SLCO

S

B

C

K

/C

O

N

T

6

RF AMP,

SLED/SPINDLE

MOTOR DRIVE,

FOCUS/TRACKING

COIL DRIVE

AUTOMATIC

POWER

CONTROL

(LIMIT IN)

(LD)

(PD)

(VC)

(FE)

(TE)

(RF)

MP3 DECODER

MEMORY

A-GND

D-GND

P+7.0V

P-GND

DIGITAL SIGNAL PROCESSOR,

DIGITAL SERVO PROCESSOR,

DIGITAL FILTER,D/A CONVERTER

FOCUS/TRACKING ERROR AMP,

R-CH

L-CH

A1

A2

6-6.

SCHEMATIC  DIAGRAM  – BD Board –

 See page 52 for IC Block Diagrams.

 See page 52 for Waveforms.

The components identified by mark 

0

 or dotted

line with mark 

0

 are critical for safety.

Replace only with part number specified.

(Page 32)

(Page 38)

Summary of Contents for CX-JT8

Page 1: ...http servis manual com...

Page 2: ...tube and the function of external input is changed over CD TRAY LOCK MODE This mode is used to unable to take sample disc out of tray in the shop Procedure 1 Press the POWER key to turn the power ON 2...

Page 3: ...of CD section and tape deck section alternately If an error occurred stop display which that section 2 CD Section The sequence during the aging mode is following as below Display at the aging mode is...

Page 4: ...layback starts 8 When the CD SYNC key is pressed with the test tape AMS 100 AMS 110A in the deck number of space between tunes is counted then if AMS 110A is set OK is displayed on the fluorescent ind...

Page 5: ...n A and B And confirm peak to peak level within 3 0 5 Vp p Note Try to measure several times to make sure than the ratio of A B or B A is more than 10 7 Take sweep time as long as possible and light u...

Page 6: ...3 DI 62 CL 96 I CD NUMBER SENS 22 I BU IP DOWN CD OPEN CLOSE 9 RIN LM R 11 RESET 1 O SYS MUTE 94 O POWER RELAY 29 I HOLD S MUTE O POWER HOLD 61 CE 65 WRQ 67 DRF 72 CD MUTE 66 RES 4 OUT1 2 OUT2 M751 LO...

Page 7: ...S6 I A MODE S9 U10 S6 U4 U8 U9 U7 U11 U5 U6 U10 U4 93 O POWER LED 8 O BU2099 LCK 41 45 56 71 31 40 MIC SA SA MIC E VOLUME 79 I BASS B 80 I BASS A ROTARY ENCODER S802 TREBLE MIDDLE 81 I JOG B 82 I JOG...

Page 8: ...504 RESET SIGNAL GENERATOR IC502 MIC MIC MIXING CD L A D402 TUNER L J TAPE L REC L TAPE L REC L G DI SO CLK MCLK LCK K RESET POWER DOWN C 21 DATA 22 CLOCK D401 MIC SA Page 23 E S MUTE O POWER HOLD B M...

Page 9: ...MP3_CE MP3_CE FSYNC FSYNC A0 A1 A2 A3 A4 A5 A6 A7 A8 OE UCAS LCAS WE RAS OE F GND VC VCC E C B NC A D VC VCC E D A B C F GND LD VR PD F T T F SLED SPINDLE GND SLIN IN4 BIAS VCC VCC TIN IN3 RESET VO3 V...

Page 10: ...7k 4 7k 4 7k 0 1 0 1 0 1 100 10k 10 50V 12k 1k 100 2P 4P 5P 5P 3P RPI 576 2P 2P 0 1 4 7k 12P 3P DTC114ESA BA6956AN BA6956AN RNF RNF TM 2 GND TM 1 SENS IN SENS OUT GND TM 1 TM 2 SENS IN SENS OUT GND S...

Page 11: ...10 50V 2 2k 1SS355 4 7 50V 1000 10V 10 50V 10 50V 10 50V 1k 470p 2 2k 2 2k 2SA1235F 10k 220p 0 0 0 33k 15k 1k 2SD1306 2SD1306 0 0 15k 0 220p 1M 0 47 50V 2P 4 7k 220p 10 50V M61529FP 10 50V 220p 0 1 1...

Page 12: ...55 100p 100p 100p 100 10k 100 BU2099FV 10k 10k 10k 10k 10k 10k 10k 10k 0 1 100 10k 10k 10k 10k 10k 10k 10k 10k 10k 10k 1SS355 4 7k 2 2 50V 1 50V 3P 1000p 10k 2200p 2200p 1000p 2200p 10k 0 0047 0 0047...

Page 13: ...SC3052F 2SK2158 2SA953K 2SC3052 NJM2156 0 3P 3 3k 10k 10k 4 7 100V 0 0 3300p 3300p 47k 82k 10 2SK2158 2SK2158 0 2SK2158 2SK2158 2SK2158 2SK2158 27k 3 3k 2 2k 820 5 6k 4 7k B1 B2 B3 B4 B5 B6 B7 B8 B9 B...

Page 14: ...10V 0 2SA1235F 2SC3052F 10EDB40 TB3 2SC3052F 0 1k 0 0 0 0 0 2SA1980G 2SC3052F 0 0 0 0 C2 C1 C3 C4 C5 E1 E2 E3 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 MIC S MIC SIG FIL2 FIL1 VFL EVER 10V MIC 10V 4V ST TUNED CE...

Page 15: ...50V 10p 10p 10p M61529FP 10 50V 220p 0 1 10 50V 10k 1k 10p 10 16V 4 7 35V 10 16V 4 7 35V 0 01 470p 0 1 470p 470p 0 1000p 470k 2 2k 2 2k 0 1 47k 0 01 22k 0 01 0 A1 A2 A3 A4 A5 A6 A7 B1 B2 B3 B4 B5 B6...

Page 16: ...0k 1SS355 4 7k 2 2 50V 1 50V 3P 1SS355 1000p 10k 2200p 2200p 1000p 2200p 10k 0 0047 0 0047 0 022 100V 2SC2001 2SC3052F 2SC3052F 2SA1235F 2SC3052F 220 HA12237F 0 0 0 0 0 0 0 100 2 2k 4 7k 1 50V BU2099F...

Page 17: ...2k UDZSTE 1713B 2SC2001LK 680 2W 680 2W 2SC3052F 2SK2158 2SA953K 2SC3052 NJM2156 0 3P 3 3k 10k 10k 4 7 100V 0 0 3300p 3300p 47k 82k 10 0 1 0 10k 10k 10k 10k 47p 1000p 10k 2SK2158 2SK2158 0 2 2k 2SK215...

Page 18: ...2SC3052F 10EDB40 TB3 2SC3052F 0 1k 0 0 0 0 0 220p 220p 2SA1980G 2SC3052F 0 C2 C1 C3 C4 C5 E1 E2 E3 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 MIC S MIC SIG FIL2 FIL1 VFL EVER 10V MIC 10V 4V RCLK RDATA ST TUNED CE...

Page 19: ...TE 17 2 2k 1SS355TE 17 15k 10k 82k 82k 1SS355TE 17 330p 3 3k 330p 3 3k 10k 1SS355TE 17 10k 3 3k 10k 330p 10k 47k 1 5k 10k 220k 220k 22k 47k 47k 0 1 0 1 0 1 100V MC2836 10k 12P 13P 1SS355TE 17 1SS355TE...

Page 20: ...01 33 35V MC2836 MC2838 100 3 9k 27k 820p 47k 1M 15k 1k 68k 0 1 470k 1k 820p 27k 2200p 2200p 2 2k 2 2k 100p 100V 100p 100V 10k 2SB792A RS 100 1k 6 8k 100 0 01 2 7k 39 100p 100V 100p 100V 1SS244 2SD81...

Page 21: ...02 CN402 J401 S331 R327 J221 10k 10k 6 8k 4 7k 1k 1k 1k SLR325VC N SLR325VC N SLR325VC N 7P 5P 1000p 1000p 3P 3 3k CD1 CD2 CD3 NC D GND VM GND MIC OUT MIC IN KEY1 HP CTL HP GND L OUT R OUT HP CTL MIC...

Page 22: ...SLR325VC N SLR325VC N SLR325VC N SLR325VC N SLR325VC N SLR325VC N SLR325VC N SLR325VC N BU2099FV 1k 0 1 0 1 0 1 50V NJM4565M TE2 1 50V 10 470k 15k 1SS133T 77 NJM4565M TE2 0 1 50V 0 470 82p 270k 100 22...

Page 23: ...6 D901 CN901 S901 C902 PT902 F902 RY901 F906 RY902 PT902 PT901 PT901 1SS355 1SS355 1SS355 1SS355 11P 0 1 T8AL 250V 1SS355 1SS355 2P 470 25V T2 5AL 250V T8AL 250V VH AC VH AC GND VL AC VL AC VM AC VM A...

Page 24: ...N902 RY902 F906 JW906 JW905 F905 F902 JW918 JW911 JW916 JW914 JW902 JW909 CN901 JW913 S901 JW917 JW915 D906 C901 PT901 PT902 1SS355 1SS355 1SS355 1SS355 470 25V 11P T8AL 250V T8AL 250V T2 5AL 250V 2P...

Page 25: ...LDS LDD FR VVDD PCKIST VVSS PDO2 PDO1 CONT1 CONT2 CONT3 RFVDD RFVSS FIN1 FIN2 TIN1 TIN2 VREF FIN1 FIN2 TIN1 TIN2 REFI REFI DEFECT FE TEC TE RFMON JITTC ADAVDD ADAVSS TDO SLCO SLCIST EFMIN RF FIN1 FIN2...

Page 26: ...TABLE 508 4 243 821 01 PULLEY TABLE 509 1 776 182 11 WIRE FLAT TYPE 5 CORE 510 1 687 134 11 MOTOR TB BOARD 511 4 243 816 01 TRAY 512 3 231 598 01 SHEET BA 513 4 245 570 01 GEAR JOINT 514 4 245 571 01...

Page 27: ...11 DRIVER BOARD 557 4 225 844 01 GEAR LOADING A 558 4 224 611 01 GEAR LOADING B 559 4 224 609 01 GEAR LOADING C 560 3 016 533 11 WASHER FR STOPPER 561 4 244 108 01 GEAR SWING 562 4 224 608 01 COLLAR...

Page 28: ...CHUCKING 604 4 218 252 61 SCREW PTPWH M2 6 FLOATING 605 4 243 822 01 LEVER LIFTER 606 X 4955 536 1 HOLDER 213 ASSY 607 4 227 549 11 INSULATOR 608 4 227 045 31 SPRING INSULATOR COIL 609 4 231 151 01 ST...

Page 29: ...ENS 0657 8 820 020 11 OPTICAL PICK UP KSS 213D Z RP 658 1 823 859 11 WIRE FLAT TYPE 16 CORE 659 2 625 188 02 GEAR A M701 X 2625 769 1 GEAR ASSY MB RP MOTOR SLED M702 X 2161 802 1 CHASSIS ASSY DCP T T...

Page 30: ...may have some difference from the original one RESISTORS All resistors are in ohms METAL Metal film resistor METAL OXIDE Metal oxide film resistor F nonflammable Items marked are not stocked since th...

Page 31: ...746 1 216 803 11 METAL CHIP 33 5 1 10W R747 1 216 803 11 METAL CHIP 33 5 1 10W R760 1 216 809 11 METAL CHIP 100 5 1 10W R765 1 216 857 11 METAL CHIP 1M 5 1 10W R801 1 216 809 11 METAL CHIP 100 5 1 10W...

Page 32: ...ELECT 4 7uF 20 50V C102 1 126 963 11 ELECT 4 7uF 20 50V C103 1 126 933 11 ELECT 100uF 20 16V C108 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V AEP UK CIS C201 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C202...

Page 33: ...79 1 126 947 11 ELECT 47uF 20 25V C380 1 126 935 11 ELECT 470uF 20 16V C381 1 126 947 11 ELECT 47uF 20 16V C382 1 130 477 00 MYLAR 0 0033uF 5 50V C383 1 130 477 00 MYLAR 0 0033uF 5 50V C384 1 136 159...

Page 34: ...IS JR300 1 216 864 11 SHORT CHIP 0 JR302 1 216 864 11 SHORT CHIP 0 SUFFIX 11 JR303 1 216 864 11 SHORT CHIP 0 JR304 1 216 864 11 SHORT CHIP 0 JR305 1 216 864 11 SHORT CHIP 0 JR306 1 216 864 11 SHORT CH...

Page 35: ...1 10W R309 1 216 864 11 SHORT CHIP 0 R310 1 216 864 11 SHORT CHIP 0 R313 1 216 845 11 METAL CHIP 100K 5 1 10W R314 1 216 845 11 METAL CHIP 100K 5 1 10W R315 1 216 833 11 METAL CHIP 10K 5 1 10W R316 1...

Page 36: ...33 11 METAL CHIP 10K 5 1 10W R419 1 216 833 11 METAL CHIP 10K 5 1 10W R420 1 216 833 11 METAL CHIP 10K 5 1 10W R421 1 216 833 11 METAL CHIP 10K 5 1 10W R424 1 216 837 11 METAL CHIP 22K 5 1 10W R425 1...

Page 37: ...ELECT 1000uF 20 6 3V C506 1 164 156 11 CERAMIC CHIP 0 1uF 25V C507 1 164 156 11 CERAMIC CHIP 0 1uF 25V C508 1 164 156 11 CERAMIC CHIP 0 1uF 25V C509 1 124 248 00 ELECT 22uF 20 35V C510 1 164 156 11 C...

Page 38: ...216 864 11 SHORT CHIP 0 JR401 1 216 864 11 SHORT CHIP 0 JR403 1 216 296 11 SHORT CHIP 0 E E51 SP AUS JR601 1 216 864 11 SHORT CHIP 0 JR602 1 216 864 11 SHORT CHIP 0 JR603 1 216 864 11 SHORT CHIP 0 JR...

Page 39: ...7 1 216 196 00 RES CHIP 820 5 1 8W R238 1 249 417 11 CARBON 1K 5 1 4W R239 1 216 196 00 RES CHIP 820 5 1 8W R240 1 249 416 11 CARBON 820 5 1 4W R243 1 216 198 00 RES CHIP 1K 5 1 8W R245 1 249 429 11 C...

Page 40: ...11 CARBON 10K 5 1 4W R807 1 216 797 11 METAL CHIP 10 5 1 10W R808 1 216 797 11 METAL CHIP 10 5 1 10W R809 1 249 429 11 CARBON 10K 5 1 4W R810 1 249 429 11 CARBON 10K 5 1 4W R811 1 249 393 11 CARBON 1...

Page 41: ...75 21 SWITCH KEYBOARD DISPLAY S323 1 762 875 21 SWITCH KEYBOARD TAPE A B S324 1 762 875 21 SWITCH KEYBOARD TUNER BAND S325 1 762 875 21 SWITCH KEYBOARD MD VIDEO S326 1 762 875 21 SWITCH KEYBOARD CD S8...

Page 42: ...RD 13P DIODE D1 6 500 360 01 DIODE D10XB20 D2 6 500 340 01 DIODE G5SBA60L 6088 D11 8 719 988 61 DIODE 1SS355TE 17 D12 6 500 334 01 DIODE MC2836 D13 6 500 335 01 DIODE MC2838 D16 6 500 335 01 DIODE MC2...

Page 43: ...10W R6 1 216 842 11 METAL CHIP 56K 5 1 10W R7 1 216 842 11 METAL CHIP 56K 5 1 10W R8 1 216 842 11 METAL CHIP 56K 5 1 10W R9 1 216 842 11 METAL CHIP 56K 5 1 10W R10 1 216 821 11 METAL CHIP 1K 5 1 10W R...

Page 44: ...16 821 11 METAL CHIP 1K 5 1 10W R512 1 216 821 11 METAL CHIP 1K 5 1 10W R513 1 218 867 11 METAL CHIP 6 8K 5 1 10W R514 1 218 867 11 METAL CHIP 6 8K 5 1 10W R515 1 216 813 11 METAL CHIP 220 5 1 10W R51...

Page 45: ...AY THERMISTOR TH501 1 805 217 11 THERMISTOR 1012 TH502 1 805 217 11 THERMISTOR 1012 1 687 132 11 SENSOR BOARD CONNECTOR CN731 1 785 329 21 PIN CONNECTOR LIGHT ANGLE 3P IC IC731 not supplied POWER SENS...

Page 46: ...GLASS TUBE DIA 5 T8AL 250V 0F906 1 576 655 11 FUSE GLASS TUBE DIA 5 T8AL 250V M701 X 2625 769 1 GEAR ASSY MB RP MOTOR SLED M702 X 2161 802 1 CHASSIS ASSY DCP T T SPINDLE M741 A 4723 963 A MOTOR ASSY...

Reviews: