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KD-S7350
JVC KD-S7350 User Manual
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SCHEMATIC DIAGRAMS
CD RECEIVER
No.49778SCH
2003/0
2
COPYRIGHT 2003 VICTOR COMPANY OF JAPAN, LTD.
KD-S7350 / KD-S690
KD-S7350/KD-S690
Area Suffix
J
Northern America
Model
KD-S7350
KD-S690
Rear LINE OUT terminal for front speaker
Provide
Not provide
Contents
Block diag
ram
Standard schematic diagr
ams
Printed circuit boards
2-1
2-2
2-5,6
CD-ROM No.SML20030
2
S
S
KD-S7350
KD-S690
w
w
w
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1
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0
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9
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8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
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9
2
8
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2
9
8
0
5
1
5
1
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6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
38
40
Table of Contents
49778.pdf
1
SECTION 1
2
1.1 Safety Precautions
2
1.2 Preventing static electricity
3
1.2.1 Grounding to prevent damage by static electricity
3
1.3 Handling the traverse unit (optical pickup)
3
1.4 Attention when traverse unit is decomposed
3
SECTION 2
4
2.1 Main body section
4
2.1.1 Removing the front panel assembly (See Fig.
4
2.1.2 Removing the front chassis assembly (See Figs.
4
2.1.3 Removing the heat sink (See Fig.
5
2.1.4 Removing the bottom cover (See Figs.
5
2.1.5 Removing the rear bracket (See Fig.
5
2.1.6 Removing the main board assembly (See Fig.
6
2.1.7 Removing the CD mechanism assembly (See Fig.
6
2.1.8 Removing the front board (See Figs.
7
2.2 CD Mechanism Assembly
8
2.2.1 Removing the top cover (See Figs.
8
2.2.2 Removing the connector board (See Figs.
9
2.2.3 Removing the DET switch (See Figs.
10
2.2.4 Removing the chassis unit (See Figs.
11
2.2.5 Removing the clamper assembly (See Figs.
12
2.2.6 Removing the loading / feed motor assembly (See Figs.
13
2.2.7 Removing the pickup unit (See Figs.
14
2.2.8 Reattaching the pickup unit (See Figs.
14
2.2.9 Removing the trigger arm (See Figs.
15
2.2.10 Removing the top plate assembly (See Fig.
15
2.2.11 Removing the mode sw. / select lock arm (See Figs.
16
2.2.12 Reassembling the mode sw. / select lock arm (See Figs.
17
2.2.13 Removing the select arm R / link plate (See Figs.
18
2.2.14 Reattaching the Select arm R / link plate (See Figs.
18
2.2.15 Removing the loading roller assembly (See Figs.
19
2.2.16 Removing the loading gear 5, 6 and 7 (See Figs.
20
2.2.17 Removing the gears (See Figs.
21
2.2.18 Removing the turn table / spindle motor (See Figs.
22
SECTION 3
23
3.1 Adjustment method
23
3.2 Troubleshooting
24
3.2.1 Feed section
24
3.2.2 Focus section
24
3.2.3 Spindle section
24
3.2.4 Tracking section
24
3.2.5 Signal processing section
25
3.3 Maintenance of laser pickup
26
3.4 Replacement of laser pickup
26
SECTION 4
27
4.1 HA17558F (IC571) : Ope. amp.
27
4.2 LA6579H (IC561) : 4-Channel bridge driver
28
4.3 TA2157FN (IC501) : RF amp
30
4.4 TC94A14FA (IC521) : DSP & DAC
32
4.5 UPD178078GF-592 (IC701) : System CPU
34
4.6 RPM6938-SV4 (IC602) : Remote control receiver
36
p49778sch.pdf
39
Cover
39
Block diagram
41
Standard schematic diagrams
42
Printed circuit boards
48
Back cover
50
49778par.pdf
51
Cover
51
Exploded view of general assembly and parts list (Block No. M1)
52
CD mechanism assembly and parts list (Block No. MB)
55
Electrical parts list (Block No. 02)
58
Packing materials and accessories parts list (Block No. M3,M5)
64
4
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JVC KD-S7350 Specifications
General
Brand
JVC
Model
KD-S7350
Category
Car Receiver
Language
English
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