Read Panasonic VL-GD001RU Service Manual online
(B) Although the handset rings, the doorphone does not ring;
Note:
(*1) Refer to Check IC2 (P.20)
Short P1 and P2 with 560~680 .
TPB
0V
ENV
(Pin 14 of IC2)
SND
(Pin 10 of IC2)
Q4
Collector
<Fig.103>
18
VL-GD001RU
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