5 Troubleshooting
5-4
LS15E33C/LS17E34C
Does the signal appear at
Pin 67 (Tuner sound signal) and Pin
57, 56 (PC sound) and Pin 51, 50 (VCR
sound) and Pin 53,54(component) of
IC53 (MSP3411G)?
Check CN51 (PC conector)
and CN26(VCR connector) and
CN25(component connector).
Yes
No
Does the signal appear at Pin 27,
28 of IC53 (MSP3411G)?
Check IC32 and related circuit.
Yes
No
Does the signal appear
at L53~L56?
Check IC55 (Audio amp) and related circuit.
Yes
No
Replace the speaker.
5-4 No Sound
Summary of Contents for LS15E33C
Page 18: ...6 Exploded View Parts List 6 2 LS15E33C LS17E34C 6 2 LS17E34C ...
Page 58: ...11 Schematic Diagrams 11 2 LS15E33C LS17E34C 1 2 3 ...
Page 60: ...11 Schematic Diagrams 11 4 LS15E33C LS17E34C 4 ...
Page 62: ...11 Schematic Diagrams 11 6 LS15E33C LS17E34C 5 6 7 8 ...
Page 64: ...11 Schematic Diagrams 11 8 LS15E33C LS17E34C 9 10 11 12 13 14 ...