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DVD VIDEO/AUDIO PLAYER
SERVICE MANUAL
Jan., 2002 5
FILE NO. 813-200104
SD-4700
SD-5700
­ SUMMARY ­­­­­
This service manual covers only the different points from the service manual, file no. 810-200108,
for model SD-3750 since SD-4700, SD-5700 is basically the same designing as SD-3750.
Please refer to the file no. 810-200108 for other information.
SUPPLEMENT
DIGITAL VIDEO
®


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LASER BEAM CAUTION LABEL
When the power supply is being turned on, you may not remove this laser cautions label. If it removes, radiation of a laser
may be recceived.
PREPARATION OF SERVICING
Pickup Head consists of a laser diode that is very susceptible to external static electricity.
Although it operates properly after replacement, if it was subject to electrostatic discharge during replacement,
its life might be shortened. When replacing, use a conductive mat, soldering iron with ground wire, etc. to
protect the laser diode from damage by static electricity.
And also, the LSI and IC are same as above.
1M9
Ground conductive
wrist strap for body.
Soldering iron
with ground wire
or ceramic type
Conductive mat
The ground resistance
between the ground line
and the ground is less than 109.
®
Note:
: Only for SD-5700.
SD-4700 is not provided with HDCD decoder.


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4. BLOCK DIAGRAM
Output Block Diagram
5. CIRCUIT DIAGRAM
Output Circuit Diagram
CONTENTS
SECTION 3
SERVICING DIAGRAMS
SECTION 4
PARTS LIST
SAFETY PRECAUTION
NOTICE
ABBREVIATIONS
1. Integrated Circuit (IC)
2. Capacitor (Cap)
3. Resistor (Res)
4. EXPLODED VIEWS
4-1. Packing Assembly
4-2. Chassis Assembly
4-3. Mechanism Assembly
5. PARTS LIST


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QY01
QY07
QY13
QY14
QY16
ICY04
NJM4580
SD-5700
QY29
QY17
ICY01
AD1833
AUDIO DAC
ICY03
NJM4580E
AMP
ICY11
NJM4580E
AMP
ICY12
NJM4580E
AMP
ICY09
TC74HCU04AF
BUFFER
ICX01
BH7863FS
VIDEO LPF/AMP
QY27
JY01
JY02
Lch
Lch
Lch
Lch
FRONT1
FRONT2
REAR
SENTER SW
Rch
Rch
Rch
Rch
QY10
QY11
QY20
QY21
QY19
MUTE
MUTE
MUTE
CONTROL
MUTE
MUTE
MUTE
MUTE
MUTE
CONTROL
MUTE
CONTROL
QY25
QY03
QY06
QY12
QY15
QY18
QY02
QY04
QY05
QY08
QY09
SW
SW
SW
G+6DB
ADATAF
BCK
LRCK
SDATA
ADATAS
ADATACSW
HMUTE
ICE958
IN
CNY01
CNX01
IPX
Y
C
Y (I/P)/ G
CB (I/P)/ B
CR (I/P)/ R
17
16
15
20
18
19
1
2
25
9
11
13
15
17
CNY01
4
3
4
6
5
7
1
5V
JX02
PR
PB
Y
COMPOSITE
VIDEO
JX01
C
Y
S VIDEO
H : Interlace
DIGITAL OUTPUT
(COAXIAL)
ICY07
TOTX179
L : Progressive
OUT LP1
Lch SIGNAL
Lch SIGNAL
Rch SIGNAL
Rch SIGNAL
Lch SIGNAL
Rch SIGNAL
HMUTE
DIGITAL AUDIO SIGNAL
OUT LN1
OUT RN1
OUT RP1
OUT LP1
OUT LN1
OUT RN2
OUT RP2
OUT LP3
OUT LN3
OUT RN3
OUT RP3
AUDIO
VIDEO
20
18
17
15
21
22
1
2
35
36
47
48
37
38
45
46
39
40
2
3
1
5
6
7
1
7
2
5
6
3
2
3
5
6
1
7
13
2
4
6
8
5
3
8
12
14
17
19
22
21
30
32
25
24
JY03
29
Output Block Diagram
Fig. 3-1-1


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Output Circuit Diagram
Fig. 3-2-1