Sharp CDEA-135-V Service manual

CD-EA135V

SERVICE MANUAL

No. S7363CDEA135V

VIDEO CD MINI SYSTEM

MODEL CD-EA135V

CD-EA135V Video CD Mini System consisting of CD-EA135V (main unit) and CP-EA135 (speaker system).

• In the interests of user-safety the set should be restored to its original condition and only parts identical to those specified be used.

NTSC/PAL

This Service Manual is for the CD-EA135V, which is a minor-

modification model of the CD-E805V. This manual, therefore, describes only the changed points from the service manual. Please refer to the CD-E805V, service manual (No. S3331CDE805V/) for the following servicing items.

CD-E805V

Page

REMOVING AND REINSTALLING THE MAIN PARTS............. 9

ADJUSTMENT ......................................................................... 10

WAVEFORMS OF CD CIRCUIT.............................................. 42

TROUBLESHOOTING............................................................. 43

FUNCTION TABLE OF IC ....................................................... 47

CONTENTS

SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2

VOLTAGE SELECTION..................................................................................................................................................... 2

AC POWER SUPPLY CORD AND AC PLUG ADAPTOR ................................................................................................. 2

SPECIFICATIONS ............................................................................................................................................................. 3

NAMES OF PARTS ........................................................................................................................................................... 4

DISASSEMBLY.................................................................................................................................................................. 6

BLOCK DIAGRAM ............................................................................................................................................................. 9

SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD............................................................................................. 12

NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 34

TYPES OF TRANSISTOR AND LED............................................................................................................................... 34

VOLTAGE ........................................................................................................................................................................ 35

FL DISPLAY..................................................................................................................................................................... 36

REPLACEMENT PARTS LIST/EXPLODED VIEW

Page

SHARP CORPORATION

This document has been published to be used for after sales service only. The contents are subject to change without notice.

CD-EA135V

SAFETY PRECAUTION FOR SERVICE MANUAL

WARNINGS

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. THEREFORE IT IS IMPORTANT THAT THE FOLLOWING PRECAUTIONS ARE OBSERVED DURING SERVICING TO PROTECT YOUR EYES AGAINST EXPOSURE TO THE LASER BEAM.

1-WHEN THE CABINET IS REMOVED, THE POWER IS TURNED ON WITHOUT A COMPACT DISC IN POSITION AND THE

PICKUP IS ON THE OUTER EDGE THE LASER WILL LIGHT FOR SEVERAL SECONDS TO DETECT A DISC. DO NOT LOOK INTO THE PICKUP LENS.

2-THE LASER POWER OUTPUT OF THE PICKUP UNIT AND REPLACEMENT SERVICE PARTS ARE ALL FACTORY

PRESET BEFORE SHIPMENT.

DO NOT ATTEMPT TO READJUST THE LASER PICKUP UNIT DURING REPLACEMENT OR SERVICING. 3-UNDER NO CIRCUMSTANCES STARE INTO THE PICKUP LENS AT ANY TIME. 4-CAUTION-USE OF CONTROLS OR ADJUSTMENTS, OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE

SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.

Laser Diode Properties Material: GaAIAs Wavelength: 780 nm Emission Duration: continuous Laser Output: max. 0.6 mW

VOLTAGE SELECTION

Before operating the unit on mains, check the preset voltage. If the voltage is different from your local voltage, adjust the voltage as follows. Turn the selector with a screwdriver until the appropriate voltage number appears in the window (110 V, 127 V, 220 V or 230 V - 240 V AC).

AC POWER SUPPLY CORD AND AC PLUG ADAPTOR

QACCE0015AW00

– 2 –

QPLGA0004AWZZ

CD-EA135V

FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL.

SPECIFICATIONS

General

Power source AC 110/127/220/230 - 240 V, 50/60 Hz Power

consumption Dimensions Width: 270 mm (10-5/8")

Weight 6.2 kg (13.7 lbs.)

53 W

Height: 305 mm (12") Depth: 342 mm (13-1/2")

Amplifier

Output power MPO: 78 W (39 W + 39 W) (10 % T.H.D.)

RMS: 40 W (20 W + 20 W) (10 % T.H.D.) RMS: 34 W (17 W + 17 W) (0.9 % T.H.D.)

Output terminals Speakers: 6 ohms

Headphones: 16 - 50 ohms (recommended: 32 ohms)

Video out: 1 Vp-p (75 ohms)

Input terminals Video/Auxiliary (audio signal): 500 mV/47 k

ohms Microphone: 1 mV/600 ohms

Video CD

Video output format

PAL/NTSC

CD player

Type 3-disc multi-play compact disc player Signal readout Non-contact, 3-beam semiconductor laser

D/A converter 1-bit D/A converter Frequency

response Dynamic range 90 dB (1 kHz)

pickup

20 - 20,000 Hz

Tuner

Frequency range FM: 88 - 108 MHz

AM: 531 - 1,602 kHz

Cassette deck

Frequency response

Signal/noise ratio 55 dB (TAPE 1, playback)

Wow and flutter 0.3 % (WRMS)

CP-EA135

Type 2-way type speaker system

Maximum input power

Rated input power 20 W Impedance 6 ohms Dimensions Width: 200 mm (7-7/8")

Weight 2.4 kg (5.3 lbs.)/each

50 - 14,000 Hz (normal tape)

50 dB (TAPE 2, recording/playback)

5 cm (2") tweeter 12 cm (4-3/4") woofer 40 W

Height: 305 mm (12") Depth: 187 mm (7-3/8")

Specifications for this model are subject to change without prior notice.

– 3 –

CD-EA135V

p

CD-EA135V

Front panel

NAMES OF P ARTS

1. Disc Tray

2. Timer Set Indicator

3. Video CD Digest/Time Search Button

4. Video CD On Screen Display On/Off Button

5. Video CD Playback Control Button

6. Memory/Set Button

7. On/Stand-by Button

8. Clock Button

9. Timer/Sleep Button

10. Tuning and Time Up Button

11. Tuning and Time Down Button

12. Headphone Socket

13. Tape 2 Record Pause Button

14. Tape 1 Cassette Compartment

15. Equaliser Mode Select Button

16. Extra Bass/Demo Mode Button

17. Volume Up and Down Buttons

18. Disc Skip Button

19. Disc Tray Open/Close Button

20. Tape 2 Cassette Compartment

21. Video CD/CD/MP3 Disc Button

22. Tape (1 2) Button

23. Video CD Stop or Return, CD/MP3 Disc/Tape Stop Button

24. Tape 2 Reverse Play Button

25. Video CD Skip or Previous, CD/MP3 Disc Track Down or Fast Reverse, Tape 2 Fast Wind, Tuner Preset Down Button

26. Tape 2 Reverse Mode Select Button

27. Tuner (Band) Button

28. Video/Auxiliary Button

29. Video CD Play or Repeat or Select or Resume, CD/MP3 Disc Play or Repeat, Tape 1 Play, Tape 2 Forward Play Button

30. Video CD Skip or Next, CD/MP3 Disc Track Up or Fast Forward, Tape 2 Fast Wind, Tuner Preset Up Button

31. Microphone Level Control

32. Microphone Socket

10 11

12 13

14

1 2 3

4 5

6 7 8 9

21 22

23 24

25 26

27 28

29 30

15 16

17 18

19 20

31 32

Display

1. Disc Number Indicators

2. Disc Play Indicator

3. MP3 Disc Indicator

4. Tape Reverse Mode Indicator

5. Tape 2 Reverse Play Indicator

6. Tape 1 Play or Tape 2 Forward Play Indicator

7. FM Stereo Mode Indicator

8. FM Stereo Receiving Indicator

9. Memory Indicator

10. Extra Bass Indicator

11. Timer Recording Indicator

12. Timer Play Indicator

13. Disc Pause Indicator

14. Disc Repeat Play Indicator

15. Karaoke Mode Indicator

16. Tape 2 Record Indicator

17. Sleep Indicator

Rear panel

1. Video Output Socket

2. AC Voltage Selector

3. AC Power Lead

4. FM 75 Ohms Aerial Terminal

5. FM Aerial Earth Terminal

6. AM Loop Aerial Socket

7. Span Selector Switch

8. Video/Auxiliary (Audio Signal) Input Sockets

9. S

eaker Terminals

2 31 879456 10

16 1713 14

15

4

1

5 6 7

2

8 9

3

11 12

– 4 –

CD-EA135V

Remote control

CD-EA135V

1. Remote Control Transmitter

2. Disc Number Select Buttons

3. Disc Memory Button

4. Programme Clear Button

5. Echo Level Up and Down Buttons

6. Karaoke Mode Button

7. Video CD Auto/On Button

8. Video CD Playback Control Auto/Off Button

9. Video CD On Screen Display On/Off Button

10. Video CD Digest/Time Search Button

11. Video CD Bookmark Button

12. PAL/NTSC Select Button

13. Video CD/CD/MP3 Disc Button

14. Tape (1 2) Button

15. On/Stand-by Button

16. Disc Random Button

17. MP3 Disc Display Button

18. Direct Search Buttons

19. Tuner Preset Up and Down Buttons

20. Extra Bass Button

21. Equaliser Mode Select Button

22. Volume Up and Down Buttons

23. Tuner (Band) Button

24. Video/Auxiliary Button

25. Tape 2 Reverse Play Button

26. Video CD Skip or Previous, CD/MP3 Disc Track Down or Fast Reverse, Tape 2 Fast Wind Button

27. Disc Pause Button

28. Video CD Skip or Next, CD/MP3 Disc Track Up or Fast Forward, Tape 2 Fast Wind Button

29. Tape 2 Record Pause Button

30. Video CD Stop or Return, CD/MP3 Disc/Tape Stop Button

31. Video CD Play or Repeat or Select or Resume, CD/MP3 Disc Play or Repeat, Tape 1 Play, Tape 2 Forward Play Button

1

2 3 4

15 16 17

5 6

18 7 8 9

19

25 26

27 28

10 11 12 13 14

20

21

22

29 30 31

23

24

Buttons with " " mark in the illustration or highlighted in bold on the left can be operated on the remote control only.

CP-EA135

1. Tweeter

2. Woofer

3. Bass Reflex Ducts

4. Speaker Wire

1

2 3

3

4

– 5 –

CD-EA135V

(B1)x2 ø3x10mm

(A1)x2 ø3x12mm

(B1)x2 ø3x10mm

(B1)x4 ø3x10mm

Rear Panel

Side Panel (Right)

Side Panel (Left)

Top Cabinet

Front

Panel

Lock Lever

CD Player Unit (Bottom View)

Caution on Disassembly

Follow the below-mentioned notes when disassembling the unit and reassembling it, to keep it safe and ensure excellent performance:

1. Take cassette tape and compact disc out of the unit.

2. Be sure to remove the power supply plug from the wall

3. Take off nylon bands or wire holders where they need to

4. Take sufficient care on static electricity of integrated

STEP

1 Top Cabinet 1. Screw ...................... (A1) x4 6-1

2 Side Panel 1. Screw ...................... (B1) x8 6-1

3 CD Tray Cover/ 1. Turn on the power supply,.. 6-2

4 Rear Panel 1. Screw ...................... (D1) x9 6-2

5 Main PWB 1. Screw ...................... (E1) x4

6 Front Panel 1. Screw .......................(F1) x1 7-1

7 Display PWB 1. Screw ...................... (G1) x9

- 2. Bracket .................... (G2) x1 7-2

8 Mic PWB 1. Screw ...................... (H1) x1 7-2

9 Tape Mechanism 1. Open the cassette holder. 7-3

10

11 Turntable 1. Hook.........................(L1) x2 7-4

12 Loading Tray 1.

13 Video CD PWB 1. Screw ......................(N1) x2 7-6

14 CD Mechanism 1. Hook........................ (P1) x2 8-1

Note 1: How to open the changer manually. (Fig. 6-3)

1. In this state, turn fully the lock lever in the arrow direction through

2. After that, push forward the Loading tray.

Note 2:

1. After removing the connector for the optical pickup from the connector, wrap the conductive aluminium foil around the front end of the connector so as to protect the optical pickup from electrostatic damage.

Note 3:

1. Be careful not to break the claw of the CD mechanism.

2. When fining back the cam gear assembly, let it lock by front movement.

DISASSEMBLY

outlet before starting to disassemble the unit. be removed when disassembling the unit. After servicing

the unit, be sure to rearrange the leads where they were before disassembling.

circuits and other circuits when servicing.

CD-EA135V

REMOVAL PROCEDURE FIGURE

(Left/Right)

CD Player Unit open the disc tray, take out

Headphones PWB

(Note 2) 2. Hook........................ (N2) x1

the hole on the loading tray bottom.

the CD tray cover, and close. (Note 1)

2. Screw ...................... (C1) x1

3. Hook........................ (C2) x3

4. Hook........................ (C3) x2

5. Socket ..................... (C4) x4

2. Socket ..................... (E2) x4

3. Flat Cable ............... (E3) x1 7-1

4. Flat Wire.................. (E4) x1

2. Hook.........................(F2) x2

3. Flat Wire...................(F3) x1

3. Flat Cable ............... (G3) x1 7-3

2. Tip ........................... (H2) x1

2. Screw...................... (J1) x5

1. Screw ...................... (K1) x1 7-2

2. Stabilizer Holder ......(L2) x1

Turn fully the lock lever in the arrow direction

2.

Push the loading tray backward to engage the claw with the groove and remove it in the direction of the arrow.(M1) x6

3. Socket ..................... (N3) x4

2. Hook........................ (P2) x2

.

6-2, 7-1 7-1, 7-2

7-2, 7-3

6-3 7-5

– 6 –

CD-EA135V

(C3)x1

Pull

Rear Panel

(C1)x1 ø3x10mm

Video CD PWB

(C4)x4

(D1)x8 ø3x10mm

Figure 6-1

2

Figure 6-2

Figure 6-3

1

(E1)x1 ø3x10mm

CD Tray Cover

(C2)x3

CD Player Unit

(C3)x1

Main PWB

Lug Wire

(E1)x1 ø3x10mm

(D1)x1 ø3x10mm

1 2

(E2)x1

CD Player Unit

Loading Tray

(L2)x1

(L1)x2

Turntable

(E3)x1

CD-EA135V

(F2)x1

(E1)x2

ø3x6mm

Power PWB

Transformer PWB

Display PWB

(F3)x1

(E2)x1

ø3x10mm

Figure 7-1

Front Panel

(F1)x1

Front Panel

(E4)x1

Headphones PWB

Main PWB (F2)x1

Figure 7-4

(M1)x3

Loading Tray

3

Mic PWB

(G2)x1

(G1)x1 ø3x10mm

Display PWB

(G1)x8 ø3x10mm

Tape Mechanism

(J1)x5 ø3x10mm

(H2)x1

(H1)x1 ø3x10mm

Lug Wire

(E2)x1

ø3x10mm

(K1)x1

(G3)x1

Tape Mechanism

Figure 7-2

Front Panel

Headphones PWB

Open

1

(N3)x2

2

(M1)x3

Figure 7-5

(N1)x2 ø3x10mm

Video CD

PWB

Loading Tray

Lug Wire

Figure 7-3

Cassette Holder

(N2)x1

(N3)x2

Figure 7-6

– 7 –

CD-EA135V

(P1)x1

CD Mechanism

(P2)x2

(P1)x1

Loading Tray

Figure 8-1

CP-EA135

STEP

Screwdriver

REMOVAL PROCEDURE FIGURE

1 Woofer 1. Front Panel ............. (A1) x1 8-2

2 Tweeter 1. Screw ...................... (B1) x2 8-3

Driver should be pried away from Speaker Box.

2. Screw ...................... (A2) x4 8-3

(A1)x1

Speaker Box

(B1)x2 ø3x10mm

(A2)x4 ø4x12mm

Tweeter

Speaker Box

Woofer

Figure 8-3

Figure 8-2

– 8 –

CD-EA135V

PICKUP UNIT

FOCUS COIL

TRACKING COIL

50

45 26

49 46

44 41

31 27

2356

TJM4558CD

OPE AMP.

+B8

JK690

VIDEO OUT

+5V(+B7)

D C

B A

+B12 1 6

25

2

ICM1

DRAM

1625635T

CNS702

~

5 7

~

10

21

~

24

~

~~

TO DISPLAY SECTION

IC3

48

QM1

+B8

+3.3V (+B11)

+3.3V

Q1

+3.3V LASER

DRIVER

+B11

20

VO4+

4

VO4–

5 6

VO3+ VO3–

7

VO2+

8 9

VO2– VO+

10

VO–

11

CONSTANT

VOLTAGE

Q2

+5V

+B4

22

1

12

VIN1 VIN2 VIN3 VIN4

VCONT

IC2

FWD

LA6574H

REV

VO5–

FOCUS/TRACKING/

SPIN/SLED DRIVER

VO5+

29

30

26

+B13

1 31 51 81

+B12

13

~~

28

4

12

49 52

+B12

XL1

16.9344 MHz

49

+5V

13 15

17 24

25 27 28

2 3

95

94

ARFS

AVDD1

7

AVDD2

18

VDD

38

LVDD

41

RVDD

46

XVDD

47

VVDD

75

AIN

2

~

DIN

5

10

VREF EIN

12

FIN

13 20

FDO

TDO

19

22

21

24

ICM3

17,19,21,22 PIN

93

91

AJN

ARCLK

VDD5

68

ICM2

ES3880FM

VIDEO CD DECODER

~~

45

47

54

62

63 72 75 77 91

100

5 16 32 53 44

45

~

48

64

59

+B12

43

32

41

43

51

56

57

ES3889F

VCD COMPANION

78

66

60

73

48

XIN

XOUT

IC1

LC78637E

CD SERVO

SLDO

SPDO

23

48

88

LROMCE#

44

30

31

41

ICM3

90

67

DRF

72

~~

87

LSC1#

50

26

AJN

ARFS

3323

64

65

66

DO

RES

WRQ

CONT3

CONT1

CONT2

71

34

70

82

79 68 66 65

LOE#

64 62

~~

55

80

100

6

1

25

ARCLK

37

71

74

XL2

27 MHz

Figure 9 BLOCK DIAGRAM (1/3)

– 9 –

63

62

DI

CL

VVSS

VSS

ASDFIN

ASLRCK

XVSS

FSX

RVSS

LVSS TEST

VSS

SBCK

AVSS2 AVSS1

CONI3

26

27

DSC_C

69

99 97 95 93 85 83 81

8

98 96 94 92 89

~

86 84

82 80

79

61

CE

CONT5

CNP5

1

WRG DRF

QM2 QM3

A B C D

1 2

12 13

15 22

24

~~

CE_ OE_

2 3 4 5 6 7 8 9

10

1 1

12

1 2 3 4 5 6 7 8

CNP6

CNP3

1 2 3 4 5 6

CNP4

ICM4

IX0528AW

CE DO DI CLK

CD RES CLAMP SW.

O/C SW DISC N.SW

DSA_STB MPEG_POW

R-CH A_GND L-CH D_GND +5V(+B7) A10V(+B8) D_GND +8V(+B4)

1

2

3

4

5

6

1

2

3

4

5

6

+B12

32 30

25 23

EPROM

21

~~

17

CNS701

SECTION

TO DISPLAY

CNS601

TO MAIN SECTION

SW4

PICKUP IN

M2

M

SLED

MOTOR

M1

M

SPINDLE

MOTOR

SW1 OPEN/ CLOSE

SW2 CLAMP

SW3

DISC

NUMBER

M

M3

T/T UP/DOWN

LOADING MOTOR

+B13

77 69 57

55 51 50 44 43 40 37 28 17

5

3

QM4

2

4

~

+B12

+B7

Q4

6

Q3

+B12

CD-EA135V

FM

ANTENNA

SO302

FM ANTENNA

TERMINAL

AM LOOP

ANTENNA

CNP301

121

+B3

4

GND

FM/AM

OUT

18

FM+B

10.7 MHz

CF351

985

FM

DET

MPXIN

16

17

VCO

X351

456 kHz

MO/ST

FM/AM

12

13

L

14

R

15

FM IF

8432

FM

OSC

T301

OSC. BUFF

Q302

AM BAND

COVERAGE

6

9

FM

OSC.

T302

BF301

2

B.P.F.

T303

1

FM RF

AM TRACKING

IC301

TA7358AP

FM FRONT END

57

L312

T306

CF303

IC303

LA1832S

FM IF DET./

FM MPX./AM IF

T351

AM IF

21

AM MIX

FM/AM IF MPX.

21

23

AM RF IN

AM OSC IN

450 kHz

CF352

AM IF

7

STEREO

JK1 MIC

VRK1

MIC LEVEL

FROM VIDEO CD

CNP6

TAPE 1

P.B. HEAD

TAPE 2

REC./P.B. HEAD

ERASE

HEAD

12

13

L-CH R-CH

9

40

LATCH

DATA

CLOCK

ROUT

LOUT

RIN

LIN

VCC

22

REC.

P.B.

AC BIAS

ICK1

M65856SP

MIC AMP.

42 41

35 36

32 31

23

1 2

3

SWITCHING

Q101Q104

BI601CNS601

1

3 4

POP REDUCE

SWITCHING

Q105 Q106

BIAS OSC

ICK2

KIA4558P

OPE AMP.

6

7

5

2

1

3

+B4QK1

IC101

PLAYBACK AND RECORD/

L(T1) R(T1)

L(T2) R(T2)

L NF

R NF

L REC.

R REC.

REF

Q112

Q111 L103

AN7345K

PLAYBACK AMP.

1

24

2

23

3

22

6 9

16

14

12

T1/T2

REC

NOR/ HIGH

15

SWITCHING

Q114

SWITCHING

P.B

H/N

T1/T2

19

Q113

+B

FM

13

L

4

R

21

5

20

REC.RL

7

18

L NF

8

17

R NF

ALC

10

SWITCHING

Q109

VT

+B3

Q360

SWITCHING

+B4

P.B.

BIAS

Q110

20

FM

X352

4.5 MHz

1

22

OSC

PLL(TUNER)

7

JK690

VIDEO/AUX IN

L R

TAPE

TUNER

CD

+B2

1615

IC302

LC72131

FM/AM

9

L

R

L R

MOTOR DRIVER

Q706

Q707 Q708

SOLENOID

DRIVER

CE

DI

CLK

4

3

16 10 15 11 14 12 13

11

9

MO/ST 10

5

21

8

17

IC601

LC75341

AUDIO PROCESSOR

18

7

MECHANISM

DO

6

17

23

+B2

Q711 Q712

TAPE

ASS'Y

3

+B3

MUTING

CLK

Q107 Q108

–20dB

ATT

Q601 Q602

SYSTEM MUTE

REC/PLAY

T1/T2

BIAS

Q603 Q604

1

DI

2

CE

24

R

21

L

4

Figure 10 BLOCK DIAGRAM (2/3)

– 10 –

CD-EA135V

C

+B3

2119

5~

70

-

85

79

86

-

100

SP. DET.

D905 D906

FL701

FL DISPLAY

56

VLOAD

VDD

2

145

+B4

SW601

SPAN

SELECTOR

~

41

27

51

50 48

44 45

+B4

46

VDD

IC701

IX0554AW

SYSTEM MICROCOMPUTER

897

RESET

11 1210 15 16 17

XL701

4.19 MHz

Q709

VDD

+B4

40 30

AVDD

CEDIDO

CLK

20 21 22 23 24

TO TAPE

MECHANISM

25

13

39 38 37

+B4

34 33

-

31 29

41

RX701

REMOTE

1

SENSOR

2

SW701-SW726

+B PROTECT

TO VIDEO CD

+B2

3

KEY

SECTION

+B4

HEADPHONES

JK701

STEM

TE

Q603 Q604

1

L

2

14

R

IC901

STK43205

POWER AMP.

/PLAY

LD+7V

+B6 +B2

+13V +B4

+5.6V

AN78L05

VF1

T1/T2

–VF

VF2

+VCC

15

8

KTC2026

IC855

A+10V

+B3

IC854

IC851,IC852,IC853, IC854:

VOLTAGE REGULATOR

-VCC

9

–B1

KIA7812AP

KIA7810AP

+B5

+5V

13

+B1

IC851

IC852

IC853

KIA7805AP

Q901 Q902 Q903 Q904

R-OUT

10

L-OUT

7

D802

D804

D803

VOLTAGE

REGULATOR

Q801

T3.15A L 250V

T2A L 250V

SP RELAY

ON-OFF

POWER TRANSFORMER

F802

F801

F804

F803

Q905

PT801

T.F.

MAIN

SPEAKER TERMINAL

GROUND

RL914

230-240 V

220 V 127 V 110V

AC POWER SUPPLY CORD

AC 110/127/220/230-240 V,

SW801 VOLTAGE SELECTOR

50/60 Hz

SO901

BIAS

Figure 11 BLOCK DIAGRAM (3/3)

– 11 –

CD-EA135V

1

2

1 /

4

R

6

C132

C

C104 180P

C103 180P

C640 22/50

CD SIGNAL VIDEO SIGNAL MIC SIGNAL

R617

2.2K

R615

4.7K 4.7K

R614

R616

2.2K

R620 22K

Q102

KTC3200 GR

0V

0.7V

0V

0.7V

0V

Q104

KTC3200 GR

Q103 KTC3200 GR

0V

0.7V

0V

0.7V

SWITCHING

0V

Q101

KTC3200 GR

R613 390

Q601

KTC3199 GR

Q602

KTC3199 GR

R612 390

S_MUTE

R104

2.2K

R106

3.3K

R105

3.3K

R103

2.2K

R605

10K

R611

2.2K

R610

C639

1/50

2.2K

C609

1/50

SWITCHING

0V

SWITCHING

R110

4.7K

KTC3199 GR

R109

4.7K

0V

SWITCHING

R107

R621 22K

9.3V

Q112

KTA1266 GR

R102

1K

R101

1K

47K

R108

0V

Q106

Q105

KTC3199 GR

0V

47K

C602

C625

0.0022

8.6V

C106

C105

0.022

560P

C601

R607

3.9K

C611

0.0022

C629

0.001

R363

2.7K

PLAYBACK

560P

PLAYBACK

220P

C653

220/16

220P

C652

C607

0.12

C615

C617 C619

C621

R609

220

+B

R146

R147

10K

R112

15K

R

R114

L

C107 330P

R113

IC101

AN7345K

AND

RECORD/

AMP.

R111

15K

1

220P

C651

2 3 4

C605

5

0.1

(ML)

6

C613

1/50

7

4.7/50 8

1/50

9

1/50

10

1/50

11

12 C623 1/50

L

0V

R148

4.7K

0V

C112

100/25

C114

0.033

1K

C108 330P

24

23

22

123

C109

1K

330P

R117

100K C113

0.033

C111

100/25

DI

CE VSS LOUT

LBASS LTRE LIN LSEL0 L4 L3

L2 L1

CCB

INTERFACE

–

+

–

+

–

+

AUX

DECK

TUNER

CD

IC601

LC75341

AUDIO PROCESSOR

SWITCHING

Q113

KRC104 M

3.4V

3

2

1

C141

100/16

1

0V

3.4V

3

2

Q114

SWITCHING

KRC104 M

R116 56

R118

100K

C110

330P

–

Hich=T1

–

R115 56

C116 560P

+

112K

+

R119

560P

R122

R124

15K

C118

47/25

R120

3.9K

20

21

45 6

3.9K R123

15K

C117C115 47/25

R121

10K

C120

C121

10K

–

+ +

VREF

–

ROUT

–

+

RBASS

–

+

RTRE

RSEL0

–

+

R149

150

C150

47/25

68K

R150

8.2K

R126

0.0022

R128

5.6K

19

18

IC101

AN7345K

78 9

0.022

C143

3.3/50

R127

8.2K

C119

0.0022

24

CLK VDD

23 22 21 20 19

RIN

18 17

R4

16

R3

15

R2

14

R1

13

–20dBATT

MUTING

0V

KTC3199 GR

270P

C124

17

Hich=CHROME

R129

5.6K

270P

C123

R136

Q108

R130

R131

C603

C606

0.1(ML) C614

C618

C620

C622

1/50

220K

R138

0.7V

100

R132

1.5K

C126 22/50

–

+

–

C125

22/50

R133

1.5K

+B

C608

0.12

10K

C128

100

C127

C616

C624

1/50

C130

0.022

56K 56K112K

C129

0.022

R

0.0033

16

0.0033

1

2

1

R134

A

FM SIGNAL PLAYBACK SIGNAL

RECORD SIGNAL

BI601

CNS601

R-CH

1

2 3 4

CNP6

TO

VIDEO CD

PWB

P21 12-D

5 6 7

8

B

C

D

1

A_GND

3

L-CH

4

CD_GND

5

D_5V

6

A_5V

7

D_GND

8

(DRIVER)

9

LD+7V

1

GND(A_GND)

2 3 4

D_GND(DRIVER)

5

6 7 8

9

10

P16 1-F

11

TO POWER SECTION

12

13 14

15 16 17

+B

L-CH

R_CH LD+7V

A_5V D_5V GND (CD_GND)

CD(A_GND)

GND (D_GND)

+B_PROTECT M_+13.5V

A_+10V SW_5V

SP_DET SP_RLY

GND (M_GND)

+B

R619

330

R618

330

+B

+B +B

Q603

KTC3199 GR

SYSTEM MUTE

Q604

KTC3199 GR

SYSTEM MUTE

E

TAPE 1

PLAYBACK HEAD

CNP101

R-CHL-CH

1 2 3

T1_R

1

A_GND

2

T1_L

3

F

2 3

4

1

5 6

CNS102

1 2 3 4

5

6

1 2 3 4 5 6 7

BI102

M_GND

ERASE T2_R2

T2_R1 T2_L1 T2_L2

ERASE HEAD

R-CH

L-CH

TAPE 2

RECORD/

G

PLAYBACK HEAD

SWITCHING

C102

560P

C101 560P

H

• NOTES ON SCHEMATIC DIAGRAM can be found on page 34.

1

23456

Figure 12 SCHEMATIC DIAGRAM (1/13)

– 12 –

CD-EA135V

47/25

8

2K

/

R126

24

CLK

+B

VDD

23

C603

22

VREF

RTRE

RIN

MUTING

0V

C124

R129

5.6K

C123

R4 R3 R2 R1

–20dBATT

270P

C608

21

0.12

20

C606

0.1(ML)

19

C614

18

C616

17

C618

16

C620

15 14

C622

1/50

13

C624

1/50

R136

220K

R138

10K

0.7V

Q108

KTC3199 GR

100

R132

C130

1.5K

R130

C128

0.022

C126 22/50

17

–

+

56K

Hich=CHROME

56K

+

–

C125

22/50

100

R133

C129

1.5K

C127

R131

0.022

ROUT

RBASS

RSEL0

R

8.2K

28

K

18

01

45K

78 9

50

3.3

.

R603

0.0033

16

0.0033

R601

1K

22/50

1/50

R

R134

C131 47/25

R602

1K

C610

1/50

R606

3.9K

C612

0.0022

4.7/50

C626

0.0022

REC_R

R139

10K

C132

47/25

C133

22/50

14

15

RIPPLE

Nor/CrO2

ALC

10 11 12

R135

10K

J635

R608

220

+B

MUTING

0.7V

Q107

KTC3199 GR

C134

220/10

13

Vcc

GND

10K

C135

0.022

0V

REC_L

R137 220K

R158

220

Q109

SWITCHING

KTA1266 GR

0V

82

R142

(1/2W)

47K

R143

C137

0.047(ML)

R364

2.7K

KOK OUT(L)

KOK IN(L)

+B

R140 47K

11.6V

4.7K

R141

2

11.6V

KTC3203 Y

0V

22K

R144

C138

0.0082

C139

0.039(ML)

C630

0.001

Q110 KRC104 M

1

0V

Q111

R145

4.7

T_BIAS 3

BIAS

BIAS OSC.

L103

330µH

0V

REC/PLAY

C140

47/25

+B

R691

C691 390P

5.6K

R690

C690 390P

5.6K

KOK OUT(R) KOK IN(R)

+B

A_+10V

+B

T-T1 T2

+B+B

SP_DET

SP_RLY

–20dB

SW_5V

1234567891011121314151617181920

1

T_BIAS

M_+13.5V

A_+10V

REC/PLAY

T_T1/T2

CNP701A

DISPLAY PWB

P18 1-F

D_GND

S_MUTE

TO

DI

CLK

DI

+B-PROTECT

CE

DO

CE

DO

R693

68K

R692

68K

R688

1

CHASSIS

+B

KOK_LATCH

MIC IN

SPAN

TUN_R

A GND TUN_L

D_GND

A_+10V

KOK OUT(L)

KOK IN(L)

A_GND A_+10V

KOK OUT(R)

KOK IN(R)

D_GND

CLK

KOK LATCH

MIC IN

CNP701B

20

FFC701

CLK

DO

CE

DI

BIV1

121

18 19 20 21 22

23 24

25

26

BIK1

1

3 4 5 6 7 8

9 10 11 12

CNSV1

2

CNP8

VIDEO OUT

L-CH

JK690

VIDEO OUT/AUX IN

R-CH

SW601

SPAN SELECTOR

50 kHz/9 kHz

100 kHz/10 kHz

P15 11-H

TO TUNER SECTION

CNSK1

1

2 3

MIC PWB

P24 3-H

4 5

CNPK1 6 7 8 9

10 11

P23 12 - C

TO VIDEO CD PWB

TO

7

8 9 10 11 12

Figure 13 SCHEMATIC DIAGRAM (2/13)

– 13 –

CD-EA135V

22K

C302

0.001

A

B

C

D

E

F

AM

LOOP

ANTENNA

SO302

FM ANTENNA

TERMINAL

FM 75 OHMS

1

GND

CNP302

1 22

D301

DS1SS133

D302

DS1SS133

BF301 B.P.F.

123

C323

C338

0.001

0.022

FM FRONT END

IC301

C303

D305

DS1SS133

C308

4.7P (CH)

C314

10P(CH)

0.0047

C304

0.01

C315

TA7358AP

123456 789

C305

4.7P (CH)

0.001

C320

0.001

C309

FM RF

L312

R311

R314

22

C316

100K

0.022

VD302

SVC211C

R313

C317

FM SIGNAL

AM OSC.

AM BAND

COVERAGE fL

C311 18P

15P(CH)

C310

C312

0.022

33K

R325

47K

0.001

R327

33

AM TRACKING

AM ANTENNA

T306

10

R302

T301

FM OSC.

T303

C335

560P

C334

22P (UJ)

C306

0.022

C324

4.7P

COVERAGE fL

(UJ)

T302

FM IF

R322

680

C318 100P

Q302

KTC3194 Y

OSC. BUFFER

C307 10/50

FM BAND

VD303

SVC211C

C330

R323

CF303

1

15P

2

(UJ)

68K

R309

C313

C331

0.047 C332

0.022

VD301

SVC348S

10K

22P

(CH)

3

R316

4.7K

R336

10K

TP301

+B

C381

12P

C382

15P

C342

R382

(CH)

150

(CH)

0.022

X352

4.5 MHz

R365

R358

3.9K

5.6K

R351

0.022

10/50

C351

C352

C393

0.001

C397

0.022

R381

C389

1/50

22 21 20

X OUT

X IN

123456

R375

470

10K

24 23 2122

10K

VSS

C361

C362

3.3/50

AM OSC IN

AM OSC OUT

AM MIX OUT

FM IF IN

123

0.022

C350

C392

C394

47/25

0.001

R380

1.5K

IC302

AOUT

LC72131

DI

CE

1K

R372

R374

R373

0.022

FM AFC

REG

T351

AM IF

C380

10/50

19 18

AIN

CL

0.022

C363

AM RF IN

R379

PDDO

1K

R378

AM SIGNAL

G

H

• NOTES ON SCHEMATIC DIAGRAM can be found on page 34.

1

MAIN PWB-A1 (2/3)

23456

Figure 14 SCHEMATIC DIAGRAM (3/13)

+B

– 14 –

C342

0.022

10K

R365

R358

3.9K

24 23 2122

5.6K

R351

FM IF IN

123 456 78 9

10/50

0.022

C351

C352

C361

C362

3.3/50

AM OSC IN

AM OSC OUT

AM MIX OUT

0.022

C350

0.022

FM AFC

REG

T351

AM IF

0.022

C363

AM RF IN

R352

2.2/25

C364

20

VSM

1K

1

2

0.022

C365

0.001

C366

1819

FM/AM OUT

AM LOW CUT

AM IF IN

GND

3

CF352

C353

R350

2.7K C367

1/50

SD

0.022

0.022 C354

STEREO

FM DET

R353

CF351

270

X351

TP302

456 kHz

TP

R357

R356

1/50

C368

MPX IN

MPX VCO

VCC

IF OUT

10 11 12

C357

2.2/50

470K

1K

C369

C356

0.001

C355

PHASE

C374

0.015

27P(UJ)

151617 14 13

L-CH OUT

R-CH OUT

R355

3.3K

22P

0.015

C373

MO/ST

PHASE

(FM/AM)

1/50

C358

C370

C371 1/50

C372

1/50

IC303

LA1832S

FM IF DET./FM MPX./AM IF

1/50

CD-EA135V

R361 10K

R362 10K

R393

SD

IF IN

MO/ST

1110

R377

C386 330P

ST IND

R376

1K

47K

C393

0.001

C397

0.022

+B

R382

150

C381

(CH)

12P

X352

4.5 MHz

C382

(CH)

15P

R375

470

+B

10K

R381

C389

1/50

22 21 20

VSS

X OUT

X IN

123456

C394

47/25

R380

1.5K

IC302

AOUT

LC72131

DI

CE

1K

R374

R373

C392

0.001 C380

10/50

19 18 17 16 15 14 13 12

CL

1K

R372

C387

2.2K

R379

PD

AIN

VDD

FM IN

DO

FM/AM

1K

R378

LC72131

PLL (TUNER)

0.022

L351

100µH

C385

AM IN

YPA1CY103N

CONT

IF

FM/AM

987

+B

IC302

0.01

R386

22K

C399

0.022

R395

47K

R360

4.7K

C398

100/10

R387

5.6K

R388

3.9K

R359

SWITCHING

1.8K

100/10

+B

R384

C396 C395

0.022

Q360

KTA1266 GR

R385

5.6K

ZD351

DZ5.1BSB

R392

270

R391

270

R383

5.6K

C391

47/25

+B

C388

0.001

C384

0.001

+B

CE

DI

CLKDOA+10V

TO MAIN PWB P13 12-C

7

8 9 10 11 12

AGND

192621242322

DGND

TUN_R

18

TUN_L

2025

Figure 15 SCHEMATIC DIAGRAM (4/13)

– 15 –