(3) Capstan motor stops
3-5
SECTION3 ELECTRICAL
ELECTRICAL TROUBLESHOOTING GUIDE
Check the Ass’y between PMC01
and Capstan motor
YES
NO
Aren’t pattern or componets between
IC501 Pin33 and PMC01 Pin9 short?
NO
Check Power circuit
Does CFG signal appear at PMC01 Pin1?
Check the Ass’y of Capstan motor
When the capstan motor stops
Is it 12VA at PMC01 Pin2?
YES
Is there 2.8V at PMC01 Pin9?
YES
NO
Does PWM signal appear at IC501 Pin 33?
NO
NO
Aren’t pattern or componets between IC501 Pin67 and
PMC01 Pin1 short?
Replace IC501
YES
NO
YES
Check CFG signal appear at IC501
Pin67?
Does Capstan PWM signal appear
at IC501 Pin33?
YES
Aren’t pattern or componets between
IC501 Pin33 and PMC01 Pin1 short?
YES
Summary of Contents for TL-AT130M
Page 23: ...3 14 3 13 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 1 OVERALL WIRING DIAGRAM ...
Page 24: ...3 16 3 15 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 2 POWER BLOCK DIAGRAM ...
Page 25: ...3 18 3 17 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 3 POWER CLRCUIT DIAGRAM ...
Page 26: ...3 19 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 4 AUDIO BLOCK DIAGRAM ...
Page 27: ...3 20 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 5 Y C BLOCK DIAGRAM ...
Page 28: ...3 22 3 21 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 6 A V CIRCUIT DIAGRAM ...
Page 29: ...3 23 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS ...
Page 30: ...3 25 3 24 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 7 SYSTEM BLOCK DIAGRAM ...
Page 31: ...3 26 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS ...
Page 32: ...3 28 3 27 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 8 SYSTEM CLRCUIT DIAGRAM ...
Page 33: ...3 30 3 29 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 9 JACK CLRCUIT DIAGRAM ...
Page 34: ...3 32 3 31 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 10 KEY BOARD CLRCUIT DIAGRAM ...
Page 35: ...3 34 3 33 SECTION3 ELECTRICAL PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD ...