Panasonic SA-NS55 - Checking and Repairing Core Unit PCBs

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10.2. Checking and Repairing of Panel P.C.B.

37

SA-NS55E / SA-NS55EG

Table of Contents

Default Chapter2
- Table of Contents2
1 Safety Precautions4
- General Guidelines4
- Before Repair and Adjustment5
- Protection Circuitry5
- Safety Part Information5
2 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices6
3 Precaution of Laser Diode7
4 Handling Precautions for Traverse Deck8
5 Handling the Lead Free Solder9
- General Description about Lead Free Solder (Pbf)9
6 Accessories10
7 Operation Procedures11
- Main Unit Key Buttons Operation11
- Remote Control Key Buttons Operation11
- Disc Information12
8 Self Diagnosis and Special Mode Setting13
- Service Mode Summary Table13
- Service Mode Table13
- Error Code Table16
9 Assembling and Disassembling17
- Caution17
- Disassembly Flow Chart18
- Main Parts Location Diagram19
- Disassembly of Top Cabinet Unit20
- Disassembly of D-Port and HP / Music Port21
- Disassembly of USB P.C.B21
- Disassembly of Tuner Pack22
- Disassembly of Rear Cabinet Unit23
- Disassembly of Power and AC Inlet P.C.B23
- Disassembly of Transformer24
- Disassembly of Front Panel25
- Disassembly of Panel P.C.B25
- Disassembly of Main P.C.B26
- Disassembly of Switch P.C.B26
- Disassembly of Motor P.C.B27
- Disassembly of Gear Box28
- Disassembly of CD Loading Block28
- Disassembly of CD Mechanism30
- Disassembly of Traverse Unit, Driving Gear, and Cam Gear (CD Mechanism Unit)32
10 Service Positions36
- Checking and Repairing of HP / Music Port, D-Port and USB (Side B)36
- Checking and Repairing of Panel P.C.B37
- Checking and Repairing of Switch and Motor P.C.B38
- Checking and Repairing Transformer P.C.B39
- Checking and Repairing Power and AC Inlet P.C.B40
- Checking and Repairing Main P.C.B41
- Checking and Repairing CD Servo P.C.B42
11 Voltage Measurement & Waveform Chart43
- Voltage Measurement43
- Waveform Chart48
12 Wiring Connection Diagram49
13 Block Diagram51
- CD Servo/ Optical Pickup Unit51
- Main(1/2)/ Tuner Extent/ Panel/ D Port/ Motor/ Switch52
- Main(2/2)/ Usb Module/ Hp/Music Port/ Power/Transformer/ Ac Inlet53
- Notes of Schematic Diagram55
15 Schematic Diagram57
- CD Servo Circuit57
- Main Circuit58
- Panel Circuit61
- TUNER EXTENT CIRCUIT, HP / MUSIC PORT CIRCUIT and D-PORT CIRCUIT62
- Usb Circuit63
- Power Circuit64
- MOTOR CIRCUIT and SWITCH CIRCUIT65
- TRANSFORMER CIRCUIT and AC INLET CIRCUIT66
16 Printed Circuit Board67
- CD SERVO P.C.B and USB P.C.B67
- TUNER EXTENT P.C.B, MAIN P.C.B, HP/MUSIC PORT P.C.B and MOTOR P.C.B68
- PANEL P.C.B and D-PORT P.C.B69
  - POWER P.C.B, SWITCH P.C.B, TRANSFORMER P.C.B and AC INLET P.C.B70
17 Illustration of IC's, Transistors and Diodes71
18 Terminal Function of IC's72
- Ic7001 (Mn6627954Ma) IC Servo Processor/Digital Signal Processor/Digital Filter D/A Converter72
- IC7002 (BA5948FPE2) IC 4CH Drive73
- Ic807 (Mn101Ef16Zxw) Microprocessor73
19 Exploded Views75
- Cabinet Parts Location & Traverse Part Location75
- Packaging77
20 Replacement Parts List79

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