Typ
1Wa
, 1 speaker s
stem
Speaker(s) 8 cm (5 1/2”) cone t
pe 6 W
Impedance 6 W
Inpu
power 3(M
)
Dimension (
xHxD) 121 mm
236 mm
146 mm
(4 3/4” x 9 9/32” x 5 3/4”)
1 Safety Precautions
4
1.1. General Guidelines
4
1.2. Caution for fuse replacement
5
1.3. Before repair and adjustment
5
1.4. Protection Circuitry
5
1.5. Safety Parts Information
5
2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices
6
3 Precaution of laser diode
7
4 Handling Precautions For Traverse Unit
7
5 About Lead Free Solder (PbF)
9
5.1. Service caution based on legal restrictions
9
6 Accessories
10
7 Operation Procedures
11
7.1. Remote Control Key Buttons Operations
11
7.2. Main Unit Key Buttons Operations
11
7.3. Connection
12
8 Self diagnosis and special mode setting
13
8.1. Service Mode Summary Table
13
8.2. Service Mode Table 1
13
8.3. Error Code Table 1
16
9 Assembling and Disassembling
17
9.1. Caution
17
9.2. Disassembly flow chart
18
9.3. Main Components & P.C.B. Locations
19
9.4. Disassembly of rear cabinet
20
9.5. Disassembly of D-Port P.C.B.
20
9.6. Disassembly of Panel P.C.B. & LED P.C.B.
20
9.7. Disassembly of Main P.C.B., Sensor P.C.B. & Tuner
P.C.B.
21
9.8. Disassembly of Switch P.C.B. & Traverse Unit
21
9.9. Disassembly of Power Switch P.C.B. & Tact Switch P.C.B.
22
9.10. Replacement of Traverse Cover
22
9.11. Disassembly of CD Servo P.C.B.
23
9.12. Disassembly of Motor Unit & Motor P.C.B.
24
9.13. Disassembly of CD Block & CD Lid
25
9.14. Disassembly of Speakers
26
Power consumption in standb
mode:
2.0 W (app
.)
Notes:
· Specifications are subject to change without notice.
· Mass and dimensions are approximate.
10 Service Fixture and Tools
29
11 Service Positions
29
11.1. Check and Repair of CD Servo P.C.B.
30
11.2. Check and repair of Main P.C.B., Sensor P.C.B., Tuner
P.C.B., Motor P.C.B., D-Port P.C.B., Panel P.C.B., LED
P.C.B., Power Switch P.C.B., Tact Switch P.C.B. & Switch
P.C.B. 31
12 Voltage and Waveform Chart
32
12.1. Main P.C.B.
32
12.2. CD Servo P.C.B.
33
12.3. Motor P.C.B.
33
12.4. Panel P.C.B.
33
12.5. Tuner P.C.B.
33
12.6. Waveform Chart
34
13 Wiring Connection Diagram
35
14 Block Diagram
37
14.1. CD Servo
37
14.2. Tuner
38
14.3. Main (1/2), Transformer, Sensor & D-Port
39
14.4. Main (2/2), Panel, LED, Power Switch, Tact Switch, Switch
& Motor
40
15 Notes of Schematic Diagrams
41
16 Schematic Diagram
43
16.1. (A) CD Servo Circuit
44
16.2. (B) Tuner Circuit
45
16.3. (C) Main Circuit
46
16.4. (D) Panel Circuit & (E) D-Port Circuit
49
16.5. (F) LED Circuit, (G) Power Switch Circuit, (H) Tact Switch
Circuit & (I) Switch Circuit
50
16.6. (J) Motor Circuit, (K) Sensor Circuit & (L) Transformer
Circuit
51
17 Printed Circuit Board
53
17.1. (A) CD Servo P.C.B. & (B) Tuner P.C.B.
54
17.2. (C) Main P.C.B.
55
17.3. (D) Panel P.C.B., (E) D-Port P.C.B., (F) LCD P.C.B., (G)
Power Switch P.C.B. & (H) Tact Switch P.C.B.
56
17.4. (I) Switch Circuit P.C.B., (J) Motor Circuit P.C.B., (K)
Sensor Circuit P.C.B. & (L) Transformer P.C.B.
57
CONTENTS
Page Page
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SC-EN37P