- 2-14 -
• TAPE TROUBLESHOOTING
1) Play
Check the power supplying to
IC401 Pin16
Check the DC output
Q241 “C ”
Check the “high ”
IC101 Pin92 or Q242 “B ”
Check the pattern
Q405 “C ”Voltage Check(8.5V)
PN402 Pin 3 Voltage Check(12.5V) ➞
Q407,Q489 Check
PN402 Pin1 Pin2 Check(Normal
Speed:Q483,+10%:Q481,-10%:Q485)
Q487 “C ”Voltage Check:When solenoid is drived
Check the patternCheck(PB MUTE “Low ”REC
MUTE “High ”REC BIAS “Low ”)
Check the Deck Mecha
Replace the IC201
Replace
the Deck Mecha
Check the signal output of
IC401 Pin 5,26
NO NO
YES
NO
NO
YES
YES
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