CASIO PZ-700 Service Manual

PZ-700

(without price)

INDEX

Model-C: Europe
Model-E: Other Countries

PORTABLE CD PLAYER

CONTENTS

Disassembly Instructions.............................................................................................................. 1

CD Adjustment ............................................................................................................................... 2

Block Diagram ................................................................................................................................ 3

Troubleshooting............................................................................................................................. 4

PCB Views ...................................................................................................................................... 7

CD AMP PCB Top View.............................................................................................................7

CD AMP PCB Bottom View........................................................................................................ 8

Wiring Diagram............................................................................................................................... 9

Schematic Diagram...................................................................................................................... 10

Parts List....................................................................................................................................... 11

Exploded View.............................................................................................................................. 13

DISASSEMBLY INSTRUCTIONS

1. Remove four screws A holding the top case.

2. Remove the CD mechanism.

3. Remove the CD AMP PCB.

Upper case

CD mechanism

CD AMP PCB

Lower case

A

A

A

A

1

CD ADJUSTMENT

Precautions

To prevent damage caused by static electricity, the following procedures for grounding is requir or repairing the
unit.

Shorting tab
Desolder here

Pickup

[Note] Remove the connection after installed.

1. Wrist-Strap
for grounding

1MΩ

1MΩ

Pickup

2. Conductive Sheet

1. Grounding for the human body
Be sure to put on a wrist-strap for grounding (with impedance lower than 106 Ω) whose other end is grounded.
The strap works to drain away the static electricity build-up on the human body.

2. Grounding for the work table
Be sure to lay on the table a conductive sheet (with impedance lower than 106 Ω) such as a sheet of copper
which is grounded.

3. As static electricity build-up on clothes is not drainded away, be careful not to let your clothes touch the unit.

4. The short-pad on the pick-up PCB of a spare part is short-circuited for protection during shipment. To open
the short circuit, remove the soldering quickly with a soldering iron whose insulation resistance is larger than
10MΩ after connection to a suitable APC circuit.

Equipment Required

* Multi Meter
* Oscilloscope
* Compact Disc
* Dummy Load 10 kΩ

2

CD Mechanism

BLOCK DIAGRAM

Pickup

Spindle
Motor

Disc

Super 1chip digital servo processor

MN662740RE

Head AMP
AN8806SB

M

Driver

AN8819NFB

Digital Signal

Processing

Digital Servo

Processing

DF-DAC

TX

L ch

R ch

Microcomputer

MN150413 (4 bits)

LCD KEY

3

TROUBLESHOOTING

Press the “PLAY/PAUSE” key.

Is “00” displayed

on the LCD ?

Yes

Load a CD and close the CD door.

Are total track

number displayed ?

Yes

Is the audio signal

present at the headphone

terminal ?

Yes

No

No

No

1

2

3

Press or key.

Can a selected

track number be searched

smoothly ?

Yes

Set “CHARGE” switch “ON”.

Is “BATT”

displayed on the LCD ?

Yes

OK

No

4

No

5

*Only when batteries are in the
CD player and AC adaptor is
connected.

4

Repair Item 1: At power on, “00” is not displayed.

1

Is the switch

“HOLD” set “OFF” ?

Yes

Is the voltage

3.25 !0.1V at terminal
TP1 ?

Yes

Does clock

pulse appear at pin 15 of

IC801 ?

Yes

* Check IC801.
* Check the circuit around IC801.
* Check LCD801.

No

No

No

Repair Item 2: Total track number is not displayed.

* Set the “HOLD” switch “OFF”.

* Check IC502.
* Check the circuit around IC502.
* Check the Q401, Q402, T401 circuit.

* Check IC601.
* Check the X601.
* Check the circuit around IC601.

2

Does the LASER emit ?

Yes

Does the lens move

up and down ?

Yes

* Check IC501 and IC601.
* Check the circuit around IC501 and

IC601.

No

No * Check IC502.

* Check >3V appears at pin 3 of IC501.
* Check IC501.
* Check Q501.

* Check the circuit around IC502.

5

Repair Item 3: The audio signal is not present in headphone Terminal.

3

Is the audio signal

present in “LINE OUT”

jack ?

Yes

* Check IC301.
* Check the circuit around IC301.

No

* Check IC601.
* Check the circuit around IC601.

Repair Item 4: A selected track number can’t be searched.

4

* Check the pickup.
* Check the FL wire connector.
* Check IC502.

Repair Item 5: “BATT” is not displayed on the LCD.

5

Is the level

“LOW” at pin 35 of

IC801 ?

Yes

* Check LCD801.
* Check IC801.

No

* Check Q404.
* Check S402.

6

CD AMP PCB Top View

PCB VIEWS

7

CD AMP PCB Bottom View

8

WIRING DIAGRAM

CD Mechanism

KSS-542

Blue

White

Red

9

A/L

VC

VCC

LD

GLD

VR
PD

PD1
PD2

CN501

F+
F­T+
T-

F

E

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

R513 91

R505 100K

VDD

C523

0.022

R506 100K

R501 33K

R502 33K

AN8806SB

CD HEAD AMP

R514 15

C511

100 6.3V

Q501

2SA933SR

TAP1
TAP2
TAP3
TAP4
TAP5
TAP6
TAP7

TP2

R525
150K

R512 27K
C522 470P

C510 470P

3635343332313029282726252423222120

PDF

PDE

PDPD

TBAL

PDER

PDFR

LOP

VCC

RF-

RFOUT

R503 820K

R504 820K

IC501

PDAC

PDLDLDON

123456789

R515

10K

C513 0.022

R517 NOP

6.8K

R516

TP6

C514

100
50V

C506
NOP

C515 4.7P

RF

C512 220 6.3V

(OGND)

R519

NOP

C516 0.1

SHORT
SHORT
SHORT
SHORT
OPEN
SHORT
OPEN

C501

0.022

C502

0.022

R510 39K

TEOUT

TP4

FEOUT

R511 56K

FE-

TE-

FBAL

IROSS

FEDUT

TEOUT

RFIN

C.ACC

ARF

C.ENV

C.EA

C.SBD

101112131415161718

C520

C518 100P

C519

0.027

C517 1 50V

C504

0.039

TP5

TEBPF

BDO

2200P

R509

220K

DET

VDET

C.SFRT

OF IR

C521

19

ENV

VREF

XRDET

GND

2200P

C503 100

C505 0.027

TP3
ARF

L502 100µH

6.3V

C507 0.1

C524
100P

VREF

C508 0.1

R523

47K

R574
330KR522 3.3K

C801

C509 4700P

C603

1000P

LCD801

12345678910111213

R802

R803

47K

47K

L801 100µH

1

220

6.3V

0.022

C803

C802

(DGND)

C604

0.022

R804

47K

PWC

21 TRV
22 TWD
23 PC
24 ECM
25 ECS
26 KICK
27 TRD
28 FOD
29 VREF
30 FBAL
31 TBAL
32 FE
33 TE
34 RFENV
35 VDET
36 OFT
37 TRCRS
38 /RF DET
39 BDO
40 LDON

TES

R602
47K

R603
620K

R505
10K

C804 1 50V

R601 3.3K

20

/RST 18

SHCK 19

414243

R604
100K

C805 100P

C601 0.022

STAT 17

BLCK 13

SUBO 15

SOCK 14

IWUTE 16

MN662740RE

CD DIGTAL SERVO

SUPER 1 CHIP LSI

44 ARF

45 IREF

46 DRF

47 DSLF

48 PLLF

R605 680

C605

0.33

646362

1
2 SEG5
3 SEG4
4 SEG3
5 SEG2
6 SEG1
7 COM3 SE00
8 COM2
9 COM1
10 COM0
11 VLCD3
12 VLCD2
13 VLCD1
14 VDD
15 OSC1
16

171819 XI

121110

MLD 9

MCLK 7

MDATA 8

IC601

49 VCOF

50 AVDD2

51 AVSS2525354555657 VSS

C607
220

6.3V

AGND

C606

0.022

61

SEG10 6059SEG13 58

SEG14 57

IC801

MN150413

µµ

µ-CON

µµ

20 /RST

21 P30 DOOR SW

22 P31 STAT

23 SBD SUBO

24 SBT SOCK

SW1
DOOR SW

W2

W3

SCHEMATIC DIAGRAM

C602 0.022

TAP6

SSEL 80
MSEL 79
PSEL 78
CSEL 77
RSEL 76

OUTR 75

AVSS1 74

OUTL 73

AVDD1 72

/TEST 71
IDSEL 70

69
68
67
66
65
64
63
62
61

59 X2

60 VDD

L602 2.2µH

22P

PGMPC70 46

PLAY P60 42

STOP P61 41

MODE P63 39

29 P10 PCON

30 P11 AMUTE3132

TAP3

C621 0.022

C622 47 6.3V

48

47

D801 1N4148

36

BATT P23

35

CHARGE P22

34
33

TAP7

TAP4

TAP5

L603

C629

10

L601 10µH

2.2µH

0.1

C630

0.02

TAP2
TAP1

6

321

DVSS1 5

DVDD1 4

58 X1

C608

0.01

R608

16.9344

47K

C609

4.7P

DGND

55545352515049

SEG13 56

F-SKIP PC71 45

HOLD PC72 44
REST PC73 43

SUBOOUT P50 38

25 P00 MCLK

26 P01 MDATA

27 P02 MLD

28 P03 MRESET

X601
MHz

C620

B-SKIP P62 40

BLKCK IRO37

R614 15K

R201

1K

R101

1K

C202 10 50V

R202

C201

100K

2200P

C102 10 50V

C101
2200P

D802 1N4148

PLAY

S802

F.SKIP

S803

PGM

S804

C625 0.1
R611 8.2K

R617 15K
R612 68K

R613 5.6K
R618 10K

R610 2.2K
R615 47K

R616 220K

C623

0.022

R102 100K

VDD

R609 10C524 100 6.3V

C554

0.1

C409 0.02

MODE

S806

B.SKIP

S805

STOP

S801

C555

0.1

TP1

C408 220 6.3V

S401A

HOLD

C627 2200P

C628 1200P

C626 0.022

AVDD

C552

0.1

C556 0.1

C557

33

10V

D551

1N5817

C558

47 6.3V Q502

R403

1.5K

C407 0.01

R406 100

ON

S401B

OFF

SW

C553

0.1

Q401

1702N

TRVSTOP CRIP

22

PC 20

23 TR

INTV 21

INSP 19

24 TR+

L501
33µH

25 FO­26 FO+
27 P.GND
28 P.GND
29 SP+
30 SP­31 TRV+
32 TRV­33 VC

AN8819NFB
CD DRIVE &

CONVERTER

34 TB

35 RESET

36 MRST

IC502

DC-DC

37 EMPT1

R555 47

KTA127Y

C405 0.1

R402 10

C408

T401

47P

2

Q402

1702N

(MGND)

C404

0.022

D402 1N4148

C403

0.022
C410

220
10V

Notes:

1. All resistance values are in ohms (k=1000 ohms, M=1000 kohms).

2. All capacitance values are In µF (P=10-6 µF).

3. All resistors are 1/8 watt, unless otherwise specified.

INTR 17

INFD 16

VREF 15

LDON 18

DRVCC 14

38 CLK

39 START

40 PDWER

41 CT

42 PWMC4344

C565 2.2 50V

C567 390P

R558

3.3K

3

1

C404

47

6.3V

Batteries

UM3x2

C551
33

6.3V

12

SVCC 11
AVDD 13

VSEN 10

BSEL 9
SPRO 8
SGND 7

DRGND 6

IN 5

FB 4
OUT 3
DED 2

PVCC 1

C568 0.01

R556 470K

R551 220

C559 1 50V

R552 8.2K

C550 0.022

C561 0.1

R557
22K

C565 47P

C103

10 16V

VOLUME VOLUME

4

2

C310 33 6.3V

R302

27

C312

0.1

R409
NOP

R408
100K

C401 0.01

R401

C563 100P

C301
1µ

Q302
DTA124EK

D303 1N14148

Q101
DTC143TKA

R104

R204

22K

22K

R105 1K

VR301

1

C104

C204

1000P

1000P

5 4 3 2 1

REF LIN PWO RIN P/S

IC301 LA4533M

Vcc Lout GND Rout Tmute

6 7 8 9 10

R303 33K

C311

220 10V

ON OFF

ON OFF

S402A S402B

CHARGE

27

R411 470

R553 10K

R554 5.6K

Q201
DTC143TKA

C203
10 16V

5

3

R205
1K

Q303
DTC343TK

C106 220 10V

C206 220 10V

Q404
DTC114
TKA

R410
100K

C562 100 6.3V

R108 100K

C108 0.47

R208 100K

C208 0.47

390

R107

0.1

R207

C107

L401

LED401

390

CN502

CN503

CN504

REST SWD302 1N14148

2
3
1

OFF

ON

OFF

ON

Headphone

2
3
1

C207 0.1

1
3
2

C411 0.01

TRV­TRV+

SP­SP+

J301

Line Out

SW301A

BBS

SW301B

BBS

J302

J401

DC JACK-

DC1

PARTS LIST

PZ-700

Notes: 1. Prices and specifications are subject to change

without pointer notice.

2. As for spare parts order and supply, refer to the
“GUIDEBOOK for Spare parts Supply”, published
separately.

3. The numbers in item column correspond to the
same numbers in drawing.

11

N Item Code No. Part Name Specification Q'ty Rank Remark

ELECTRICAL PARTS

ICs

N IC301 1915 7516 IC/HEADPONE AMP/LA4533M
N IC501 1915 7517 IC/HEAD AMP/AN8806SB
N IC502 1915 7518 IC/DRIVER/AN8819NFB
N IC601 1915 7515 IC/SUPER/MN662740RE
N IC801 1915 7514 IC/MICROCOMPUTER/

MN150413GHA

JACKS

N J301 1915 7508 JACK/STEREO EARPHONE/3.5MM,

TC38-072

N J302 1915 7509 JACK/STEREO EARPHONE/3.5MM,

TC38-072

N J401 1915 7510 JACK/DC POWER/TC18-073-02

LCD

N LED401 1915 7526 LCD/DISPLAY-CDP14

SWITCHES

N S301,401 1915 7505 SWITCH/SLIDE/SKC-22D02S-G2-NS
N S402 1915 7506 SWITCH/DETECTOR/ESE11SV1
N S801~806 1915 7507 SWITCH/TACT/5MM 100GF/

TS-065001-100

TRANSISTORS

N Q101,201 1915 7521 TRANSISTOR/DTC143TKA
N Q302 1915 7520 TRANSISTOR/DTA124EK
N Q303 1915 7522 TRANSISTOR/DTC343TK
N Q401,402 1915 7525 TRANSISTOR/1702N
N Q404 1915 7519 TRANSISTOR/DTC114TKA
N Q501 1915 7523 TRANSISTOR/2SA933SR
N Q502 1915 7524 TRANSISTOR/KTA1271Y

VARIABLE RESISTOR

N VR301 1915 7504 VOLUME/ROTARY/PRC1001GB

-(UPV)-C10K-T20A15D16

MECHANICAL PARTS

N 1 1915 7493 CASE/TOP
N 2 1915 7494 CASE/BOTTOM
N 3 1915 7495 DOOR/CD
N 4 1915 7496 COVER/BATTERY
N 5 1915 7497 KNOB/PLAY
N 6 1915 7498 KNOB/MODE
N 7 1915 7499 KNOB/OPEN
N 8 1915 7500 KNOB/SLIDE
N 9 1915 7502 WINDOW/LCD
N 10 1915 7501 LENS/CD DOOR
N 11 1915 7511 CONNECTOR/FPC/15PIN,

SLW 15-1C7

N 12 1915 7527 CD MECHANISM/KSM-542BAA

ACCESSORIES

N 1915 7513 EARPHONE/STEREO, H102-009
N 1915 7503 AC ADAPTOR/EI-41 4.5V500MA

(AO3497)

N 1915 7512 PLUG ADAPTOR/IR40,

CCT5902-0701

OTHER

N 1915 7528 CHE01-SMT-CDP14

Note : N - New parts

29-25453365-00
29-25880685-00
29-25881985-00
29-25274085-00
29-25041385-00

19-12100123-00

19-12100124-00

19-62100108-00

55-35100116-00

18-31100212-00
18-45100100-00
18-62100109-01

29-36014380-00
29-36012481-00
29-36034300-00
29-36170250-00
29-36011480-00
29-36093380-09
29-36127190-05

17-10100105-00

10-01011101-00
10-02008901-00
10-03009604-00
10-03009701-00
10-05025001-00
10-05025100-00
10-05025201-00
10-05025300-00
10-08008801-01
10-08008700-00
19-82100101-00

89-10100105-00

27-12100133-00
16-90100192-00

19-87001001-00

99-50141211-01

1 A
1 A
1 A
1 A
1 A

1 B

1 B

1 B

1 B

2 C
1 C
6 C

2 B
1 B
1 B
1 B
1 B
1 B
1 B

1 B

1 X
1 X
1 X
1 C
1 C
1 C
1 C
2 C
1 X
1 X
1 B

1 B

1 C
1 C

1 C

1 X

PZ-700 Common
PZ-700 Common
PZ-700 Common
PZ-700 Common
PZ-700 Common

PZ-700 Common

PZ-700 Common

PZ-700 Common

PZ-700 Common

PZ-700 Common
PZ-700 Common
PZ-700 Common

PZ-700 Common
PZ-700 Common
PZ-700 Common
PZ-700 Common
PZ-700 Common
PZ-700 Common
PZ-700 Common

PZ-700 Common

PZ-700 Common
PZ-700 Common
PZ-700 Common
PZ-700 Common
PZ-700 Common
PZ-700 Common
PZ-700 Common
PZ-700 Common
PZ-700 Common
PZ-700 Common
PZ-700 Common

PZ-700 Common

PZ-700 Common
PZ-700 Common

PZ-700 for others

PZ-700 Common

12

Case

3

9

EXPLODED VIEW

10

1

12

6

7

5

11

8

8

2

4

13

AF0400181A

CASIO TECHNO CO.,LTD.

Overseas Service Division

8-11-10, Nishi-Shinjuku
Shinjuku-ku, Tokyo 160-0023, Japan