5 Troubleshooting
GS17VS/GS17VT/GS19VS/GS19VT/
GS15MS/GS17MS/GS19MS
5-3
5-2 No Audio (GS15M*/GS17M*/GS19M*)
When Pin 2 of IC600 is DC 5V
does proper DC 13V appear at
Pin 7, 8 of IC600?
Check IC600 and related circuit.
Check Stereo Cable.
Yes
No
When Pin 1 of IC502 is DC 13V
does proper DC 6V appear at
Pin 3 of IC502?
Check IC502 and related circuit.
Yes
No
Does the signal appear at
Pin 4, 6 of IC500?
Check Audio PBA and Sound Source.
No
Yes
Does the signal appear at
Pin 9, 12, 13, and 16 of IC500?
Check IC500 and related circuit.
No
Yes
Check Specker and Audio Ass’y.
Summary of Contents for 73V
Page 14: ...3 Disassembly and Reassembly 3 4 GS17VS GS17VT GS19VS GS19VT GS15MS GS17MS GS19MS Memo ...
Page 18: ...4 Alignments and Adjustments 4 4 GS17VS GS17VT GS19VS GS19VT GS15MS GS17MS GS19MS Memo ...
Page 24: ...6 Exploded View Parts List 6 2 GS17VS GS17VT GS19VS GS19VT GS15MS GS17MS GS19MS 6 2 GS17VT ...
Page 25: ...6 Exploded View Parts List GS17VS GS17VT GS19VS GS19VT GS15MS GS17MS GS19MS 6 3 6 3 GS19VS ...
Page 26: ...6 Exploded View Parts List 6 4 GS17VS GS17VT GS19VS GS19VT GS15MS GS17MS GS19MS 6 4 GS19VT ...
Page 27: ...6 Exploded View Parts List GS17VS GS17VT GS19VS GS19VT GS15MS GS17MS GS19MS 6 5 6 5 GS15MS ...
Page 28: ...6 Exploded View Parts List 6 6 GS17VS GS17VT GS19VS GS19VT GS15MS GS17MS GS19MS 6 6 GS17MS ...
Page 29: ...6 Exploded View Parts List GS17VS GS17VT GS19VS GS19VT GS15MS GS17MS GS19MS 6 7 6 7 GS19MS ...
Page 30: ...Memo 6 Exploded View Parts List 6 8 GS17VS GS17VT GS19VS GS19VT GS15MS GS17MS GS19MS ...
Page 46: ...8 Block Diagrams 8 2 GS17VS GS17VT GS19VS GS19VT GS15MS GS17MS GS19MS Memo ...
Page 48: ...Memo 9 Wiring Diagram 9 2 GS17VS GS17VT GS19VS GS19VT GS15MS GS17MS GS19MS ...
Page 52: ...Memo 10 PCB Layout 10 4 GS17VS GS17VT GS19VS GS19VT GS15MS GS17MS GS19MS ...
Page 54: ...11 Schematic Diagrams 11 2 GS17VS GS17VT GS19VS GS19VT GS15MS GS17MS GS19MS 1 2 3 ...