Pin No.
23
Symbol Pin voltage
T3
—
CXA1704R
Equivalent circuit
35µ
35µ
143
23
Description
Connect to GND.
24
MTQ
—
25
VCC1CH
4.75 V
26 REC1CONT
—
27 REC1CONT
—
143
24
50k
40µ 40µ
EVR adjustment that determines Q
of the middle-frequency tuner. Q is
large when the applied voltage is
large.
143
26
71k
40µ 40µ
Channel 1 power supply.
EVR adjustment of recording
channel 1 damping
Damping is applied strongly when
the applied voltage is small.
Recording channel 1 output.
Open collector.
27
—8—