Panasonic SC-HM910 - Safety Precautions; Before Repair and Adjustment

SC-HM910/SC-HM810
3
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general
public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service
a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians.
Any attempt to service or repair the porduct or products dealt with in this service information by anyone else could result
in serious injury or death.
CONTENTS
Page
1 Safety Precaution........................................................................................................................................................ 4
2 Before Repair and Adjustment .................................................................................................................................... 4
3 Protection Circuitry...................................................................................................................................................... 5
4 Accessories................................................................................................................................................................. 5
5 Front panel controls .................................................................................................................................................... 6
6 Handling Precautions For Traverse Deck ................................................................................................................... 8
7 Operation Checks and Main Component Replacement Procedures .......................................................................... 9
8 Precaution of Laser Diode ........................................................................................................................................ 31
10 Self-Diagnostic Function ........................................................................................................................................... 33
11 Cd Test Mode Function............................................................................................................................................. 35
12 Measurements and Adjustments .............................................................................................................................. 36
13 Schematic Diagram................................................................................................................................................... 38
14 Printed Circuit Board ................................................................................................................................................. 54
15 Block Diagram........................................................................................................................................................... 66
16 Wiring Connection Diagram ...................................................................................................................................... 74
17 Illustration of IC, Transistors and Diodes .................................................................................................................. 75
18 Terminal Function of IC............................................................................................................................................. 76
19 Troubleshooting Guide.............................................................................................................................................. 79
20 Parts Location and Replacement Parts List .............................................................................................................. 80