Sony UVW-1800P Service Manual page 315

Conditions for adjustment Adjustment point « Specifications
+ AUDIO INPUT CH-1/2; Step 4
No signal
+ REC mode CHA CH-2
Blank tape TP301/ AR-14 (-1) TP311 / AR-14 (5-1)
GND : £301 G-1) GND : £311 (J-1)
Tc
TP321 / AR-14 (J-1)
GND : £311 0-1)
Spec. 150+15mV rms
AR-I4 BOARD (A side)
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