Panasonic CQ-C3503N, Service Manual

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Pin
No.
Port Description I/O (V)
FM AM CD
27 LOW
BATT
Battery low level
detect I 5.1 5.1 0
28 NC - - - - -
29 PANEL Panel detect switch I 0 0 0
30 NC - - - - -
31 NC - - - - -
32 NC - - - - -
33 NC - - - - -
34 NC - - - - -
35 TBASS TruBASS IC
contorol
O 0 0 0
36 NC - - - - -
37 NC - - - - -
38 NC - - - - -
39 VDD
PORT
Power supply (+5V) - 5.1 5.1 5.1
40 VSS
PORT
Ground - 0 0 0
41 NC - - - - -
42 NC - - - - -
43 NC - - - - -
44 NC - - - - -
45 NC - - - - -
46 NC - - - - -
47 NC - - - - -
48 NC - - - - -
49 PWR
CNT
Power on control O 4.9 5 5
50 AMP
CNT
Amp control signal O 5.1 5.1 5.1
51 AMP
MUTE
Power IC mute
signal O 5.1 5.1 5.1
52 STBY Power IC standby
control O 5.1 5.1 5.1
53 SSC Tuner search
sensitivity change O 0 0 5.1
54 AF
MUTE
AF mute O 5.1 5.1 5.1
55 I2C
DATA
Electronic VOL
data O 5.1 5.1 5.1
56 I2C
CLK
Electronic VOL
clock O 5.1 5.1 5.1
57 NC - - - - -
58 POWER
LED
Power LED O 0 0 0
59 NC - - - - -
60 NC - - - - -
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