Read Panasonic SC-EN37EB / SC-EN37EG Service Manual online
Operating humidity range
5% to 9% RH (no condensation)
n SPEAKER SECTION
Type
1 Way, 1 speaker system
Speaker Unit(s)
Full Range Speaker
8 cm cone type 6
Ω
Impedance
6
Ω
Input power
6W (MAX)
1 Safety Precautions
4
1.1.
General Guidelines
4
1.2.
Caution for AC Mains Lead
5
1.3.
Before repair and adjustment
6
1.4.
Protection Circuitry
6
1.5.
Safety Parts Information
6
2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices
7
3 Precaution of Laser Diode
8
4 Handling Precautions For Traverse Unit
9
5 About Lead Free Solder (PbF)
10
5.1.
Service caution based on legal restrictions
10
6 Accessories
11
7 Operation Procedures
12
7.1.
Remote Control Key Buttons Operations
12
7.2.
Main Unit Key Buttons Operations
12
7.3.
Connection
13
8 Self diagnosis and special mode setting
14
8.1.
Service Mode Summary Table
14
8.2.
Service Mode Table 1
14
8.3.
Error Code Table 1
17
9 Assembling and Disassembling
18
9.1.
Caution
18
9.2.
Disassembly flow chart
19
9.3.
Main Components & P.C.B. Locations
20
9.4.
Disassembly of Rear Cabinet
21
9.5.
Disassembly of D-Port P.C.B.
21
9.6.
Disassembly of Panel P.C.B. & LED P.C.B.
21
9.7.
Disassembly of Main P.C.B., Sensor P.C.B. & Tuner
P.C.B.
22
9.8.
Disassembly of Switch P.C.B.
22
9.9.
Disassembly of Traverse Unit
23
9.10. Disassembly of Power Switch P.C.B. & Tact Switch P.C.B.
23
9.11. Replacement of Traverse Cover
24
9.12. Disassembly of CD Servo P.C.B.
25
9.13. Disassembly of Motor Unit & Motor P.C.B.
25
Dimension (W x H x D)
121 mm x 236 mm x 146 mm
Power consumption in standby mode:
2.0 W (appx.)
Notes:
· Specifications are subject to change without notice.
· Mass and dimensions are approximate.
· Specifications are subject to change without notice.
· Mass and dimensions are approximate.
9.14. Disassembly of CD Block & CD Lid
26
9.15. Disassembly of Speakers
27
10 Service Positions
30
10.1. Check and Repair of CD Servo P.C.B.
31
10.2. 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.
32
11 Voltage and Waveform Chart
33
11.1. Main P.C.B.
33
11.2. CD Servo P.C.B.
34
11.3. Motor P.C.B.
34
11.4. Panel P.C.B.
34
11.5. Tuner P.C.B.
34
11.6. Waveform Chart
35
12 Wiring Connection Diagram
36
13 Block Diagram
37
13.1. CD Servo
37
13.2. Tuner
38
13.3. Main (1/2), Transformer, Sensor & D-Port
39
13.4. Main (2/2), Panel, LED, Power Switch, Tact Switch, Switch
& Motor
40
14 Notes of Schematic Diagrams
41
15 Schematic Diagram
43
15.1. (A) CD Servo Circuit
43
15.2. (B) Tuner Circuit
44
15.3. (C) Main Circuit
45
15.4. (D) Panel Circuit & (E) D-Port Circuit
48
15.5. (F) LED Circuit, (G) Power Switch Circuit, (H) Switch
Circuit & (I) Tact Switch Circuit
49
15.6. (J) Motor Circuit, (K) Sensor Circuit & (L) Transformer
Circuit
50
16 Printed Circuit Board
51
16.1. (A) CD Servo P.C.B. & (B) Tuner P.C.B.
52
16.2. (C) Main P.C.B.
53
16.3. (D) Panel P.C.B., (E) D-Port P.C.B., (F) LED P.C.B., (G)
Power Switch P.C.B. & (H) Switch P.C.B.
54
CONTENTS
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Page
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SC-EN37EB / SC-EN37EG
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