Sharp CDE-705-V Service manual

CD-E705V

SERVICE MANUAL

No. S5345CDE705V/

VIDEO CD MINI SYSTEM

MODEL CD-E705V

CD-E705V Video CD Mini System consisting of CD-E705V
(main unit) and CP-E705 (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-E705V, 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

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

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

FL DISPLAY.............................................................................. 59

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

VOLTAGE ........................................................................................................................................................................ 34

NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 35

TYPES OF TRANSISTOR AND LED............................................................................................................................... 35

WAVEFORMS OF CD CIRCUIT...................................................................................................................................... 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-E705V

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

QACCA0008AW00

QPLGA0004AWZZQPLGA0003AWZZ

– 2 –

CD-E705V

CD-E705V

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 8.2 kg (18.1 lbs.)

121 W

Height: 330 mm (13")
Depth: 355 mm (13-15/16")

Amplifier

Output power MPO: 470 W (235 W + 235 W) (10 % T.H.D.)

RMS: 250 W (125 W + 125 W) (10 % T.H.D.)
RMS: 200 W (100 W + 100 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 1/2: 1 mV/600 ohms

Video CD

Video output
format

PAL/NTSC

Tuner

Frequency range FM: 88 - 108 MHz

Cassette deck

Frequency
response

Signal/noise ratio 55 dB (TAPE 1, playback)
Wow and flutter 0.3 % (WRMS)

AM: 531 - 1,602 kHz

50 - 14,000 Hz (normal tape)

50 dB (TAPE 2, recording/playback)

CP-E705

Type 3-way 4-speaker system with passive radia-

Maximum input
power

Rated input power 125 W
Impedance 6 ohms
Dimensions Width: 277 mm (10-7/8")

Weight 4.5 kg (9.9 lbs.)/each

tor
Super tweeter 2
5 cm (2") tweeter
16 cm (6-1/2") woofer
16 cm (6-1/2") passive radiator
250 W

Height: 330 mm (13")
Depth: 273 mm (10-3/4")

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

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

– 3 –

CD-E705V

CD-E705V

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 Control

18. Disc Tray Open/Close Button

19. Disc Skip Button

20. Tape 2 Cassette Compartment

21. Microphone Level Control

22. Microphone Socket 1

23. Microphone Socket 2

24. Video CD/CD/MP3 Disc Button

25. Tape (1 2) Button

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

27. Tape 2 Reverse Play Button

28. Video CD Skip or Previous, CD/MP3 Disc Track Down or

Fast Reverse, Tape 2 Fast Wind,
Tuner Preset Down Button

29. Tape 2 Reverse Mode Select Button

30. Tuner (Band) Button

31. Video/Auxiliary Button

32. Video CD Play or Repeat or Select or Resume,

CD/MP3 Disc Play or Repeat, Tape 1 Play,
Tape 2 Forward Play Button

33. Video CD Skip or Next, CD/MP3 Disc Track Up or

Fast Forward, Tape 2 Fast Wind,
Tuner Preset Up Button

1
2
3

4
5

6
7
8

9
10
11

12
13

14

21 22 23

24
25

26
27

28
29

15

16
17

18
19

20

30
31

32
33

Display

1. Disc Pause Indicator

2. Extra Bass Indicator

3. MP3 Disc Indicator

4. Disc Number Indicators

5. Tape 2 Record Indicator

6. FM Stereo Mode Indicator

7. FM Stereo Receiving Indicator

8. Timer Play Indicator

9. Sleep Indicator

10. Timer Recording Indicator

11. Disc Play Indicator

12. Disc Repeat Play Indicator

13. Karaoke Mode Indicator

14. Tape Reverse Mode Indicator

15. Tape 2 Reverse Play Indicator

16. Tape 1 Play or Tape 2 Forward Play Indicator

17. Memory Indicator

Rear panel

1. Video Output Socket

2. Cooling Fan

3. AC Voltage Selector

4. AC Power Lead

5. FM 75 Ohms Aerial Terminal

6. FM Aerial Earth Terminal

7. AM Loop Aerial Socket

8. Span Selector Switch

9. Video/Auxiliary (Audio Signal) Input Sockets

10. Speaker Terminals

11
12

2456781031 9

1
2
3

4

13
14

15 16 17

5
6
7

8
9

10

– 4 –

CD-E705V

Remote control

CD-E705V

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-E705

1. Super Tweeters

2. Woofer

3. Tweeter

4. Passive Radiator

5. Speaker Wire

– 5 –

1

2

3

4

5

(B1)x2
ø3x10mm

(A1)x2
ø3x12mm

(A1)x2
ø3x12mm

(B1)x2
ø3x10mm

(B1)x4
ø3x10mm

Rear
Panel

Side Panel
(Right)

Side Panel
(Left)

Top Cabinet

Front

Panel

(C3)x1

CD Player
Unit

CD Tray Cover

(C2)x3

1

1

2

2

(E1)x1
ø3x10mm

(C1)x1

ø3x10mm

(E1)x1
ø3x10mm

(D1)x1
ø3x10mm

Lug Wire

Main PWB

Rear
Panel

Fan Motor

Pull

(C3)x1

(D1)x8
ø3x10mm

(C4)x4

Video
CD PWB

CD-E705V

DISASSEMBLY

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
outlet before starting to disassemble the unit.

3. Take off nylon bands or wire holders where they need to
be removed when disassembling the unit. After servicing
the unit, be sure to rearrange the leads where they were
before disassembling.

4. Take sufficient care on static electricity of integrated
circuits and other circuits when servicing.

CD-E705V

STEP

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

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

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

REMOVAL PROCEDURE FIGURE

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

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

(Left/Right)

3 CD Tray Cover/ 1.

CD Player Unit the disc tray, take out the

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

Fan Motor 2. Socket ..................... (D2) x1 7-1

5 Main PWB 1. Screw ...................... (E1) x4 6-2, 7-1

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

7 Mic PWB 1. Screw ...................... (G1) x2 7-2

8

Headphones PWB

9 Display PWB 1. Knob ......................... (J1) x1 7-3

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

the hole on the loading tray bottom.

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

movement.

Turn on the power supply, open

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 7-1, 7-2

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

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

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

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

2. Tip Wire................... (G2) x1

1. Screw ...................... (H1) x1 7-2

2. Screw .....................(J2) x10

3. Flat Cable ................ (J3) x1

2. Screw...................... (K1) x5

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

6-3
7-5

CD-E705V

Figure 6-1

Figure 6-2

Lock Lever

CD Player Unit
(Bottom View)

Figure 6-3

– 6 –

CD-E705V

Loading
Tray

(N1)x2
ø3x10mm

(N3)x2

Video CD

PWB

(N2)x1

(N3)x2

(F2)x1

Power PWB

Transformer
PWB

(E1)x2

ø3x10mm

Display PWB

(F3)x1
(E2)x1

(D2)x1

(E3)x1

Main PWB

Figure 7-1

(E2)x1

(E2)x1

(F1)x1

ø3x10mm

Front Panel

Front Panel

(E4)x1

Headphones
PWB

(F2)x1

(L1)x2

(L2)x1

Figure 7-4

(M1)x3

Turntable

Loading
Tray

CD Player Unit

Loading Tray

3

Tape
Mechanism

(G1)x2
ø3x10mm

Display PWB

(J2)x10
ø3x10mm

Tape
Mechanism

Lug Wire

(K1)x5
ø3x10mm

(G2)x1

(E2)x1

ø3x10mm

(H1)x1

Figure 7-2

(J3)x1

Front Panel

Mic
PWB

Headphones
PWB

(J1)x1

Open

2

1

(M1)x3

Figure 7-5

Lug Wire

Figure 7-3

Cassette
Holder

Figure 7-6

– 7 –

CD-E705V

CD
Mechanism

(P1)x1

(P2)x2

(P1)x1

Loading Tray

Figure 8-1

CP-E705

STEP

REMOVAL PROCEDURE FIGURE

1 Passive Radiator 1. Screw ...................... (A1) x4 8-2

2. Side Panel .............. (A2) x1

3. Screw ...................... (A3) x4 8-4

2 Woofer 1. Front Panel ............. (B1) x1 8-3

2. Screw ...................... (B2) x4 8-4

3 Tweeter 1. Screw ...................... (C1) x2 8-4

4 Super Tweeter 1. Screw ...................... (D1) x4 8-4

(B1)x1

Speaker Box

Figure 8-2

(A2)x1

(A1)x4
ø4x40mm

Screwdriver

(D1)x2
ø3x12mm

Tweeter

Super Tweeter

(C1)x2
ø3x12mm

(D1)x2
ø3x12mm

Driver should
be pried away
from Speaker Box.

Figure 8-3

Super Tweeter

Speaker Box

Speaker Box

Passive
Radiator

– 8 –

(B2)x4
ø4x16mm

Woofer

Figure 8-4

(A3)x4
ø4x16mm

CD-E705V

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

VO4+

4

VO4–

5
6

VO3+

7

VO3–

VO2+

8
9

VO2–
VO+

10

VO–

11

CONSTANT

VOLTAGE

+B4

1

20

30

Q2

IC2

+B13

+B12

+5V

+5V

22

12

VIN1

13

VIN2

15

VIN3

17

VIN4

24

VCONT

25

FWD

LA6574H

29

+B12

27

REV

28

VO5–

FOCUS/TRACKING/

2

SPIN/SLED DRIVER

VO5+

3

26

95

1
31
51
81

13

~~

28

VIDEO CD DECODER

4

12

49
52

45

54

63
72
75
77
91

100

5
16
32
53
44

45

~

48

64

Figure 9 BLOCK DIAGRAM (1/3)

16.9344 MHz

VDD5

68

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

19

FDO

TDO

22

21

ICM3

17,19,21,22 PIN

93

94

91

AJN

ARFS

ARCLK

ICM2

ES3880FM

~~

32

47

41

51

56

57

62

VCD COMPANION

66

60

73

59

+B12

XL1

49

48

XIN

XOUT

LC78637E

CD SERVO

SLDO

SPDO

24

23

48

88

43

44

30

31

41

43

ICM3

ES3889F

90

78

– 9 –

66

67

DRF

RES

IC1

CONT1

CONT2

71

72

~~

82

87

LSC1#

LROMCE#

LOE#

80

50

25

26

ARCLK

AJN

ARFS

3323

37

CE

77
69
57

~

55
51
50
44
43
40
37
28
17

6

CONT5

+B13

QM4

+B12

+B7

5

4

Q4

Q3

+B12

3
2

QM2 QM3

A
B
C
D

1

2

~~

12
13

15
22

24

63

61

64

65

62

DI

CL

DO

VVSS

WRQ

VSS

ASDFIN

ASLRCK

XVSS

FSX

RVSS

LVSS
TEST

VSS

SBCK

AVSS2
AVSS1

CONI3

CONT3

26

27

34

70

79
68
66
65
64

62

~~

55

100

DSC_C

69

6

1

99
97
95
93
85
83
81

8

98
96
94
92
89

~

86
84
82
80

71

79

74

XL2

27 MHz

CNP5

10
1 1
12

CNP6

CNP3

1
2
3
4
5
6

1
2
3
4
5
6

CNP4

ICM4

CE_
OE_

1

WRG
DRF

2

CE

3

DO

4

DI

5

CLK

6
7

CD RES
CLAMP SW.

8
9

O/C SW
DISC N.SW

DSA_STB
MPEG_POW

R-CH

1

A_GND

2

L-CH

3

D_GND

4

+5V(+B7)

5

A10V(+B8)

6

D_GND

7

+8V(+B4)

8

1

1

2

2

3

3

4

4

5

5

6

6

1

1

2

2

3

3

4

4

5

5

6

6

+B12

32
30

25
23

EPROM

IX0528AW

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

CD-E705V

C
K

5

M

D

_
N

_
_
W

R
R

O

R

W

P
E

JK2

MIC2

JK1

MIC1

VRK1

MIC LEVEL

TAPE 1

P.B. HEAD

TAPE 2

REC./P.B.

HEAD

FM

ANTENNA

SO302

FM ANTENNA

TERMINAL

AM LOOP
ANTENNA

2

40

LATCH

DATA

4

CLOCK

9

ROUT

LOUT

12
13

VCC

22

CNP6

FROM VIDEO CD

SECTION

L-CH
R-CH

P.B.

L-CH
R-CH

AC BIAS

ERASE

HEAD

BF301

121

CNP301

ICK1

M65856SP

MIC AMP.

42
41

35
36

RIN

32
31

LIN

23

REC.

B.P.F

FM RF

QK1

CNS601

SWITCHING

Q101~
Q104

TA7358AP

FM FRONT END

1

4

3

L312 T301

AM TRACKING

T303 T306

ICK2

KIA4558P

OPE AMP.

6

7

5
2

1

3

+B5

BI601

R

1

1

2

3

3

4

L

L(T1)
R(T1)
L(T2)
R(T2)

POP REDUCE

L REC.
R REC

SWITCHING

Q105
Q106

+B5

Q111

L103

BIAS
OSC

IC301

5

7
FM

PLL(TUNER)

R

L

VIDEO/AUX IN

1
24

2
23

6

T1/T2
REC

9

16
11

12

NOR/

15

HIGH

SWITCHING

Q112

SWITCHING

6
9

8

OSC

FM

OSC

OSC BUFF

Q302

AM BAND
COVERAGE

IC302

LC72131

FM+B

JK690

P.B

H/N

T1/T2

19

Q114

Q113

SWITCHING

FM IF

T302

CF303

21

AM MIX

AM OSC IN

AM OSC OUT

AM RF IN

X352

VT

4.5 MHz

22 111615

1

20

OSC

+B5

Q360

FM

7

SWITCHING

L

AUX

R

TAPE

TUNER

CD

+B5

13

L

4

P.B.

21

R

REC.

L

7

18

R

IC101

PLAYBACK AND RECORD/

AN7345K

PLAYBACK AMP.

+B5

Q109

Q110
BIAS

+B5

+B6

T351

AM IF

L

R

L

R

L

R

L

R

9

450 kHz

CF352

7

LA1832S

STEREO

FM IF DET./

FM MPX./

DI

CE

MO/ST

FM/AM

21

10

L

R

8

17

9
16
10
15

LC75341

11
14

PROCESSOR

12
13

7

LR

LED703,
LED704

+B6

985

4

GND

AM IF

FM/AM

OUT

1821 12162324

IC303

AM IF

CLK

DO

5436

IC601

AUDIO

18

LED

DRIVER

Q710

+B6

ZD351

5.1V

10.7 MHz
X351

CF351

456 kHz

13

17

FM

DET

VCO

MPXIN

FM/AM

L

MO/ST
R

FM+B

17

+B5

+B5

23

1

DI

2

CE

24

CLK

21

4

3

Q107
Q108

MUTING

63

MICROCOMPUTER

TO VIDEO CD SECTION

14
15

–20dB
ATT

R
L

VOLUME

IC701

IX0554AW

SYSTEM

(2/2)

3

27 59 62

+B5

Q601
Q602

REC./PLAY

JOG701

JOG

49 50

~

Q603
Q604

T1/T2

BIAS

MUTE

SYSTEM

VF1

+B3

+B3

–VF

1

S

S

SEL

I

ST

POW

18

L

14

R

7

+B3

L

+B4

A

+B5

U

VF2

+B10

D

+B7

A

+B8

S

+B9

MOTO
DRIVE

Q706

Q707
Q708

SOLEN

DRIVE

Figure 10 BLOCK DIAGRAM (2/3)

– 10 –

CD-E705V

FL701

FL DISPLAY

32

51

19

~

27

33

~

45

~

41

+B10

TO VIDEO CD
SECTION

TAPE

MECHANISM

ASS'Y

MUTE

SYSTEM

VF1

+B3

+B3

–VF

VF2

SW601

SPAN

SELECTOR

IC901

STK41242

POWER AMP.

18

L

14

R

7

6

M_13V

+B3

LD+7V

+B4

A_10V

+B5

UNSW_5.6V

+B10

D_5V

+B7

A_10V

+B8

SW_5V

+B9

MOTOR
DRIVER

Q706

Q707
Q708

SOLENOID

DRIVER

D905~D907

5

2

-B1

-B2

+B2

54 57 585655

38 52 51

70

~

78
79

VLOAD

80

~~

85

86

100

19245678

+B10

SP DET.

L-OUT

11

8

R-OUT

1

+B1

IC855

VOLTAGE

REGULATOR

IC854

MICROCOMPUTER

VDD

RESET

IC851

KIA7812AP

VOLTAGE

REGULATOR

KIA7810AP

AN78L05

KIA7805AP

IC852 ~ IC854

VOLTAGE REGULATOR

TAPE

MECHANISM

ASS'Y

48

IC701

IX0554AW

SYSTEM

(1/2)

RESET

11 12 1 0 16 1 7 20 21 22 2324

XL701

4.194304 MHz

Q709

+B10

Q901~
Q904

SP RELAY

D801

D802

IC851

IC852

REGULATOR

IC853

Q711Q712

55

40

46

VDD

VDD

~

+B10

Q905

ON-OFF

IC852

KIA7810AP

VOLTAGE

D803,
D804

+B3

25 13 30

AVDD

CLK

CEDIDO

FAN MOTOR

DRIVER

RL914

F802

T4A L 250V

F801

T4A L 250V

T2A L 250V

T2A L 250V

Q801

REGULATOR

39

34

33

~

31

37

26
15
41

F803

VOLTAGE

REMOTE

3

SENSOR

+B10

SW701-SW724

TO VIDEO CD
SECTION

Q906

+B3

F804

POWER TRANSFORMER

RX701

1

2

KEY

+B7

M

MOTOR

SO901
SPEAKER
TERMINAL

JK701

HEADPHONES

PT801

+B10

M901

FAN

T.F.

F807

T2A L 250V

F806

T2A L 250V

230-240 V

220 V
127 V
110 V

SW801

VOLTAGE

SELECTOR

AC POWER

SUPPLY CORD

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

50/60 Hz

F805

T4A L 250V

Figure 11 BLOCK DIAGRAM (3/3)

– 11 –

CD-E705V

0 022

9

T

7

C135

A

CNS601

R-CH

1

A_GND

2

L-CH

3

CD_GND

4

CD_+B

5

CNP6

A_10V

P21 12 - D

6

D_GND

TO VIDEO CD PWB

7

LD+7V

8

B

C

BI601

1

3
4
5
6
7
8
9

LD+7V

1

A_10V

2

D+5V

3

CD_GND

4

L-CH

5

A_GND

6

P16 1 - D~G

TO POWER SECTION

R-CH

7

CD_D_GND

8

CD_A_GND

9

R601

FM SIGNAL

MIC SIGNAL

PLAYBACK SIGNAL

+B
+B

+B

+B

R619

330

R618

330

RECORD SIGNAL
CD SIGNAL
VIDEO SIGNAL

SYSTEM

MUTE

Q603

R617

KTC3199 GR

2.2K

R616

2.2K

SYSTEM

MUTE

Q604

KTC3199 GR

SPARE

R615

R614

6.8K

6.8K

R613

390

KTC3199 GR

Q602
KTC3199 GR

390

R612

Q601

R611

R610

2.2K

R605 C609

10K

1/50

C605

C607

2.2K

R607

3.9K

0.15

0.15

C613

C611

1/50

0.0015

C615

4.7/50
1/50

C617

1/50

C619

10

C621

11

1/50

C623
1/50

1K

R602

1K

220P

C652

220P

C651

IC601

LC75341

AUDIO PROCESSOR

1

DI
CE

2

3

4

5

6

7

8

9

VSS
LOUT

LBASS
LTRE

LIN

LSEL0

L4

L3

L2

L1

CCB

INTERFACE

–

+

–

–

+

+

AUX

DECK

TUNER

CD

C653
220P

CLK

VDD

–

+

VREF

+

–

ROUT

–

+

RBASS

RTRE

–

+

RIN

RSEL0

–

+

R4
R3

R2

R1

C601

220/16

24

+B

23

C603

220/16

22

C608

0.15

21

C606

R

0.15

20

19

C614

18

C616

17

C618

16

C620

15

C622

14

C624

1312

3

1/50

4.7/50

1/50

1/50

1/50

1/50

C640

22/50

R620

22K

C639

22K

1/50

R621

C625

0.0022

R609

820

C626

0.0022

R608

820

D

R149
150

SWITCHING

KRC104 M

R147

R146

10K

10K

9.3V

15K

1K

1K

0V

KTC3199 GR

C105

9.3V

560P

C106

560P

KTA1266 GR

8.6V

Q112

SWITCHING

R

C108
330P

L

C107

330P

IC101

AN7345K

PLAYBACK

AND

RECORD/

PLAYBACK

AMP.

R111

15K

E

TAPE 1

PLAYBACK HEAD

T1_R

1

R-CHL-CH

F

ERASE HEAD

R-CH

L-CH

TAPE 2

G

RECORD/

PLAYBACK HEAD

1

A_GND

2

2

T1_L

3

3

CNP101

CNS102

1
2
3
4

5
6

BI102

1
2
3
4
5
6

M_GND

1

ERASE

2

T2_R2

3
4

T2_R1

5

T2_L1

6

T2_L2

7

C104
180P

C103
180P

C102
560P

C101
560P

Q102

KTC3200 GR

R104

0V

2.2K

0.7V

0V

R106

0.7V

3.3K

0V

Q104

KTC3200 GR

Q103

KTC3200 GR

0V

0.7V

R105

3.3K

0V

0.7V

Q101

0V

KTC3200 GR

Q101~Q106: SWITCHING

R103

2.2K

R109

R107

4.7K

47K

R108

R110

0V

47K

0V

0V

4.7K

Q105

KTC3199 GR

0V

0V

R112

R102

R101

Q106

0V

2

R148

4.7K

0V

2

KRC104 M
SWITCHING

L

R116

56

C112
47/25

C114

0.033
R118

100K

R114

1K

C110
330P

24 23 22 21

–
+

Hich=T1
+
–

123 4

C109
330P

R113

1K

R117

100K
C113

0.033

C111

47/25

R115

56

Q113

0V

Q114

R120

R119

C115

1

C116

560P

3.9K

3.9K

560P

C141

100/16

3.4V

3

1

3.4V
3

12K

R122

C120

R124

5.6K

C118

47/25

20

112K

112K

IC101

56 78

R123

C117

47/25

5.6K

R121
12K

R

0.0022

19 1718

C121

0.022

C119

0.0022

R150

68K

C150

47/50

8.2K

R126

R128

5.6K

Hich=CHROME

C143

3.3/50

R127

8.2K

0V

0.0022

C124

R129

C123

5.6K

0.0022

R138

10K

0.7V

Q108

KTC3199 GR

MUTING

100

R132

1.5K

R130

C128

0.022

C126
22/50

–
+

+
–

C125
22/50

100

R133

0.022

1.5K

C127

R131

56K
56K

C129

0.0033

C130

9

0.0033

REC_R

R134

C132

10 11 12

C131

R139
10K

10K

47/25

ALC

47/25

R135

KTC319

22/50

C133

Nor/CrO2

ALC

10K

R136

0.7V

Q10

MU

220/10

C134

13141516

RIPPLE

220K

Vcc

H

• NOTES ON SCHEMATIC DIAGRAM can be found on page 35.

1

23456

Figure 12 SCHEMATIC DIAGRAM (1/13)

– 12 –

1

5K

1

5K

R130

R131

R

VREF

ROUT

BASS
RTRE

RSEL0

CD-E705V

P24 3 - H

TO MIC PWB

CNPK1

CNSK1

13456789

BIK1

KOK OUT(L)

C653
220P

24

CLK

23

VDD

C603
220/16

22

21

C606

0.15

20

19

C614

RIN

18

C616

17

C618

R4

16

C620

R3

15

C622

R2

14

C624

R1

13

1/50

4.7/50

1/50

1/50

1/50

1/50

C608

0.15

C601

220/16

+B

R606

3.9K

C602

0.022

C610
1/50

C612

0.0015

R604

R603

1K

+B

10K

KOK OUT(R)

R642

10K

R644

6.8K

R643

6.8K
R641

10K

1234

A_GND

A_+10V

KOK IN(L)

+B

KOK IN(R)

+B

56789

10 12

DI

D_GND

KOK IN(R)

KOK OUT(R)

KOK IN(R)

KOK OUT(R)

11

CLK

1110

MIC IN

KOK LATCH

MAIN PWB-A1 (1/3)

R693

C691
390P

390P

33K

R692

33K

CHASSIS
CE

A+10V

+B

DGND

DI

CLK

TUN_R

AGND

TUN_L

DO

R691

6.8K
R690 C690

6.8K

BIV1 CNSV1

121

VIDEO OUT

L-CH

R-CH

R688

VIDEO/AUX IN/

1

VIDEO OUT

28

27

26

25

24
23
22

21

20

2

VIDEO/AUX IN

JK690

P15 10, 11 - H

TO TUNER SECTION

CNP8

P23 12 - C

TO VIDEO CD PWB

R138

10K

0.7V

Q108

KTC3199 GR

MUTING

100

R132

.

C128

0.022

C126
22/50

17

–
+

ME

+
–

8

C125
22/50

100

R133

.

0.022

C127

56K
56K

C129

C626

0.0033

C130

9

0.0033

0.0022

REC_R

R134

R139

10K

10K

C132

47/25

22/50

C133

Nor/CrO2

ALC

10 11 12

C131

47/25

10K

R135

820

R608

220K

R136

0.7V

Q107

KTC3199 GR

MUTING

220/10

C134

13141516

Vcc

RIPPLE

ALC

0.022

C135

SW601

SPAN SELECTOR

50 kHz/9 kHz

(AUDIO PRO)

AGND

TAPE_A_GND

+B

+B

+B

A+10V

+B_PROTECT

P16 1 - E~G

TO POWER SECTION

+B

D_GND

M_+13V

+B

SW_5V

SP_DET

SP_RLY

KARAOKE LATCH

+B_PROTECT

+B
+B
+B

SPAN

MIC IN

D_GND

S_MUTE

T_T1/T2

REC/PLAY

T_BIAS

A+10V

M_+13V

SW_5V
SP_DET
SP_RLY

–20dB

CE

DO

CLK

DI

CNP701B

FFC701

20

20

19

18
17
16

15

14

13
12

11
10

9

8

7
6

5
4

3
2
1

1

+B

R137

220K

REC_L

0V

R158

220

0V

47K

R143

C137

0.047(ML)

+B

+B

11.6V

Q109

KTA1266 GR

SWITCHING

82

R142

22K

R144

C138

0.0082

C139

(1/2W)

0V

0.039(ML)

R140

0V

R145

L103

BIAS

Q110

KRC104 M

47K

11.6V

0V

3

2

R141

4.7K

1

0V

Q111

0V

BIAS OSC.

KTC3203 Y

4.7

C140

47/25

330 µH

M_GND

10 11 12 13 14 15 16 17 18 19

100 kHz/10 kHz

CNP701A

P18 1 - F

TO DISPLAY PWB

7

8 9 10 11 12

Figure 13 SCHEMATIC DIAGRAM (2/13)

– 13 –

CD-E705V

3

3/50

1K

2

AM OSC IN

3

R373

A

B

C

D

E

F

AM

LOOP

ANTENNA

FM 75 OHMS

FM ANTENNA

TERMINAL

SO302

GND

C302

0.001

AM TRACKING

C331

1

15P

R323

2

(UJ)

SVC348S

68K

R309

10K

22P

C313

3

0.047
C332

0.022

VD301

(CH)

R316

4.7K

R336

10K

TP301

C381

12P(CH)

C382

15P(CH)

C342

R382

150

0.022

X352

4.5 MHz

C397

0.022

R375

470

R358

3.9K

0.022

C389

C383

47P

R351

C351

10K

R365

24

5.6K

AM OSC OUT

FM IF IN

1

0.022

10/50

C350

C352

0.001

10K

R381

C39

1/50

22 21 20

VSS

AOUT

X OUT

X IN

123

1K

R374

C362

C394

CE

.

47/25

I

C323

C338

0.001

D301

DS1SS133

D302

DS1SS133

BF301
B.P.F.

123

CNP301

1

1

22

C303

123456 789

10P(CH)

C304

0.01

FM RF

D305

DS1SS133

L312

C308

4.7P
(CH)

C314

0.0047

C315

0.0047

0.022

FM FRONT END

IC301

TA7358AP

C305

4.7P

(CH)

0.001

C320

0.001

C309

VD302

SVC211C

100K

R311

R314

22

C316

0.022

R313

C317

AM OSC.

AM BAND

COVERAGE fL

C311
18P

15P(CH)

C310

C312

0.022

33K

R325

47K

0.001

R327

33

AM ANTENNA

T306

10

R302

T301

FM OSC.

T303

C335

560P

C306

0.022

C324

4.7P
(UJ)

FM IF

R322

680

Q302

KTC3194 Y

OSC. BUFFER

C334

22P
(CH)

C307

10/50

FM BAND

COVERAGE fL

VD303

SVC211C

T302

C318
100P

C330

CF303

FM SIGNAL
AM SIGNAL

G

MAIN PWB-A1 (2/3)

H

• NOTES ON SCHEMATIC DIAGRAM can be found on page 35.

1

23456

Figure 14 SCHEMATIC DIAGRAM (3/13)

– 14 –

C342

0.022

10K

R365

R358

3.9K

24 23 2122

5.6K

R351

FM IF IN

123 456 78 9

0.022

10/50

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

0.022

2.2/50

C364

C365

20

VSM

AM LOW CUT

1K

1

2

0.001

C366

1819

FM/AM OUT

AM IF IN

3

CF352

GND

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

C369

MPX IN

MPX VCO

VCC

10 11 12

470K

1K

27P(UJ)

IF OUT

PHASE

C357

2.2/50

C356

0.001

C355

C374

0.015

151617 14 13

L-CH OUT

R-CH OUT

C358

1/50

R355

3.3K

22P

0.015

C373

MO/ST

PHASE

C371
1/50

(FM/AM)

C370

C372

1/50

IC303

LA1832S

FM IF DET./FM MPX./AM IF

1/50

CD-E705V

C389

C397

0.022

R382

150

H)

X352

2

H)

R381

22 21 20

X OUT

4.5 MHz
X IN

123456

C383

47P

R375

470

0.001

10K

VSS

C393

1/50

AOUT

1K

R374

C392

C394

47/25

0.001
C380

10/50

R380

1.5K

R379

19 18 17 16 15 14 13 12

AIN

IC302

CL

DI

CE

1K

1K

1K

R378

R372

R373

C387

0.022

L351

100 µH

2.2K

PD

VDD

FM IN

AM IN

YPA1CY103N

DO

CONT

IF

FM/AM

IC302

LC72131

PLL (TUNER)

0.01

C385

FM/AM

987

SD

IF IN

MO/ST

1110

R377

C386
330P

ST IND

R376

1K

R393

1K

47K

R386

22K

C399

0.022

R395

R360

47K

4.7K

C398

100/10

R388

R387

5.6K

3.9K

R359

SWITCHING

1.8K

L352

100 µH

C396

100/10

C395

0.022

Q360

KTA1266 GR

R385

5.6K

5.6K

R384

ZD351

DZ5.1BSB

R392

270

R391

270

R383

5.6K

C391

47/25

C388

0.001

C384

0.001

CE

DI

CLKDOA+10V

TO MAIN SECTION

7

8 9 10 11 12

AGND

222720242528

P13 12 - C, D

DGND

TUN_R

23

TUN_L

2126

Figure 15 SCHEMATIC DIAGRAM (4/13)

– 15 –