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APPENDIX F:
TROUBLE DIAGNOSIS AND
CORRECTION
F-1
General
F-1
Problem Localization Routine
F-1
General Principles
F-2
Power Supply Tests
F-2
VU Meter Techniques
F-3
Card Swap Technique
F-3
Cards Common To Both Channels
F-4
Failures Which Cannot Be Diagnosed By Card-
Swapping
F-4
Phase Corrector Failures
F-5
Emergency Bypass Of Cards # 0 And # 1
F-5
Fig. F-1:
Card # 6 Channel Reversal Jumpers
F-6
Fig. F-2:
Card # 8/#9 Emergency Bypass
Jumpers
F-7
CATALOG Of TROUBLE SYMPTOMS AND
POSSIBLE CAUSES
F-9
Factory Assistance
F-10 Diagnosis At The Component Level
F-10
Troubleshooting IC Opamps
F-11
Selecting and Ordering Replacement Parts
F-11
Ordering Parts From the Factory
F-11
Replacement Of Components On Printed Circuit
Cards
F-13 Shipping Instructions
F-13
Circuit Cards
F-13
Shipping The Complete Chassis
r
hg APPENDIX G:
INTERFACING OPTIMOD-TV TO THE
ORBAN 8182A/SG STEREO
GENERATOR
G-1
Interface
G-2
Fig. G-1: Wiring Diagram, Stereo Generator
Interconnection
III
APPENDIX H:
NORMAL POSITIONS OF JUMPERS
ON CARDS
APPENDIX I:
( not used)
El
APPENDIX J:
SO
-
EMATICS, PARTS LOCATORS,
AND PARTS LISTS
J-1
General
J-1
Table Of Contents For Appendix J
J-
Schematics With Parts Locator
J-2
Input Filter
J-4
Motherboard
J-5
Raw DC Section
J-6
Meter Resistor
J-8
Card # PS (Power Supply)
J-10
Card # 0/1
J-12
Card # 2
J-14
Card # 3/4
J-16
Card # 5
J-18
Card # 6
J-20
Card # 7
J-22
Card # 8/9
J-24 SYSTEM BLOCK DIAGRAM
J-27 PARTS UST
J-27
Obtaining Spare Parts
J-41
Vendor Codes
APPENDIX K:
( not used)
DI
APPENDIX L:
SPECIFICATIONS
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