Table Of Contents - Panasonic SA-AK770PL Service Manual

Table of Contents

Specifications1
Table Of Contents2
Safety Precautions3
Leakage Current Cold Check3
Leakage Current Hot Check3
Before Use3
General Guidelines3
Before Repair And Adjustment4
Protection Circuitry4
Safety Part Information4
Prevention Of Electro Static Discharge (Esd) To5
Electrostatically Sensitive (Es) Devices5
Handling Precautions For Traverse Unit6
Cautions To Be Taken In Handling The Optical Pickup Unit6
Grounding For Electrostatic Breakdown Prevention6
Precaution Of Laser Diode8
About Lead Free Solder (Pbf)9
Service Caution Based On Legal Restrictions9
Operation Procedures10
Main Unit Key Buttons Operations10
Overview Of Controls10
Remote Control Key Buttons Operations11
Using The Music Port12
Note On Cds12
Connecting And Playing A Usb Mass Storage Class Device13
Self Diagnosis And Special Mode Setting14
Service Mode Table14
Service Mode Summary Table14
Reliability Test Mode17
Error Code Table Display19
Error Code Table (For Deck Mechanism)20
Error Code Table (For Cd Mechanism Unit)20
Error Code Table (For Power Supply)21
Assembling And Disassembling22
Disassembly Of Front Panel Unit22
Disassembly Flow Chart24
Main Components And P.c.b. Location25
Disassembly Of Top Cabinet26
Follow The (Step 1) - (Step 5) Of Item26
P.c.b27
Step 6 Detach 5P Wire Cable At Connector (Cn1113) At Usb27
Disassembly Of Jupiter Usb Pcb28
Disassembly Of Fan Unit29
Disassembly Of Rear Panel30
Isassembly Of Panel P.c.b., Tact Switch P.c.b., Side Bar Led Pcb31
Disassembly Of Mic P.c.b.34
Disassembly Of Usb Connector/Led P.c.b.34
Disassembly Of Cd Lid35
Disassembly Of Music Port Pcb35
Disassembly Of Deck Mechanism Unit35
Disassembly Of Deck P.c.b.36
Disassembly Of Deck Mechanism37
Replacement Of Pinch Roller And Head Block37
Replacement Of Motor, Capstan Belt A, Capstan Belt B, And Winding Belt37
Disassembly Of Deck Mechanism P.c.b.39
Disassembly Of Cassette Lid39
Rectification For Tape Jam Problem39
Disassembly Of Traverse Unit40
Disassembly Of D-Amp P.c.b.41
Replacement Of Audio Digital Amp Ic43
Assembly Of Audio Digital Amp Ic43
Disassembly Of Main P.c.b.46
Replacement Of Voltage Regulator Ic47
Assembly Of Voltage Regulator Ic48
Replacement Of Switch Transistor48
Assembly Of Switch Transistor48
Disassembly Of Smps P.c.b.49
Replacement Of Switch Regulator Ic49
Replacement Of Switch Regulator Diode50
Assembly Of Switch Regulator Ic50
Replacement Of Regulator Diode51
Assembly Of Switch Regulator Diode51
Disassembly Of Ac Inlet P.c.b.54
Disassembly Of Voltage Selector56
Disassembly And Assembly Of Traverse Unit Assembly In Play Position58
Service Fixture And Tools60
Service Positions60
Checking And Repairing Of Main P.c.b.60
Checking And Repairing Panel, Deck P.c.b., Tact Switch Pcb60
Checking And Repairing Jupiter Usb P.c.b.61
Checking And Repairing Mic Pcb62
Checking And Repairing Of D-Amp P.c.b.63
Checking And Repairing Of Ac Inlet P.c.b. & Smps P.c.b.65
Operation Check With Cassette Tape68
Operation Check Without Cassette Tape68
Procedure For Checking Operation Of Individual Parts Of Deck Mechanism Unit68
Measurement And Adjustments69
Cassette Deck Section69
Bias Voltage Check70
Bias Frequency Check70
Voltage Measurement And Waveform Chart71
Waveform Chart76
Wiring Diagram79
Block Diagram81
Power Supply85
Notes Of Schematic Diagram89
Schematic Diagram91
Printed Circuit Board109
Printed Circuit Boards110
Illustration Of Ics, Transistors And Diodes117
Terminal Function Of Integrated Circuits118
Exploded Views121
Packaging124
Replacement Parts List125