Sony TC-K333ESR Service Manual page 12

TC-K333ESR/K730ES
Bias Osc Frequency Adjustment
Setting:
Metal Tape (TYPE IV)
LINE IN: no signal
REC LEVEL knob: standard record position
(See page 7.)
@ Bias Osc Frequency
Procedure:
1. Mode: record
metal tape
recorded portion
LINE OUT
a
frequency counter
(CN312—red}
PB board ;
(black)
CN505-— red
F
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