JVC CD-1770 - Switch Circuit Board; Bias Switch Circuit Board; Equalizer Switch Circuit Board; Peak Level Indicator Circuit Board

Switch Circuit Board Red print is shown the voltage (V) of playback mode.
{ ) voltage; at recording mode.
When you measure the voltage by tester, we recommend
you to use 20k2/V or more impedance tester.
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Bias Current
REC Gain Adj.
Mic Jack Circuit Board
+ Adjust semi-fixed resistors by parts side.
» Adjust semi-fixed resistors by parts side.
Fig. 18
CD-1770/A/B/C/E
No. 4144
294°