- 2-15 -
AM•COIL Troubleshooting
Check the “High” of L107 Pin 2
Refer to “IC103 Troubleshooting”
Replace the L107
Check the oscillation of L107 Pin 13
Refer to “IC102 Troubleshooting”
YES
YES
NO
NO
Play
Check the VCC supplying to IC202 pin 18
Refer to “Power Circuit Troubleshooting”
Check the Deck Mecha
Replace the Deck
Mecha.
Replace the IC202
Check the signal output of IC202 pin 5, 20
Check the Muting Circuit
YES
YES
YES
NO
NO
NO
YES
YES
NO
Dubbing(“NORMAL or REC “//“HIGH”)
Q252, 202 “OFF”//“ON” : R273, 223
“LOW”//“HIGH
Q253, 203 “ON”//“OFF” Refer to “IC203 Troubleshooting”
Refer to “REC Troubleshooting”