Panasonic CQ-C3302N Service Manual page 7

Port
Pin
No.
37 LCD 5V Display 5V control
CNT
38 EJ ILL LED control (EJ/ILL) O 4.8 4.8 4.8
39 OP/CL Panel open/close
detect
40 (NC)
41 EJECT EJECT switch
42 ROTARY 1 Rotary encoder
input 1
43 ROTARY 2 Rotary encoder
input 2
44 (NC)
45 (NC)
46 PANEL Panel detection
47 STBY Power IC stundby
control
48 EEPROM (Not Used)
CE
49 EEPROM
SK (NC)
50 EEPROM
DI (NC)
51 EEPROM (Not Used)
DO
52 CDC1/2
(NC)
53 INV CNT Illumination control
54 AMP CNT Amp power control
55 ANT CNT Antenna power
control
56 EXT.MUTE External mute
57 MAIN CNT Main power control
58 AMP MUTE Amp mute control
59 AF MUTE AF mute control
60 RESET Reset
61 RDS CLK RDS clock
62 (NC)
63 (NC)
64 RM DATA Remote control
data
65 BATT Battery voltage
detection
66 CDC STB/ CD Changer strobe/
XM receiver
/ XM DET
detection
67 VSS0 Ground
68 VDD1 +5V power supply
69 X2 Crystal oscillator
Description I/O
O
I
- -
I
I
I
- -
- -
I
O 4.8 4.8 4.8
-
- -
- -
-
- -
O 4.8 4.8 4.8
O 4.8 4.8 4.8
O 4.8 4.8 4.8
O 4.8 4.8 4.8
O 4.8 4.8 4.8
O 4.8 4.8 4.8
O 4.8 4.8 4.8
I
I
- -
- -
I
I
I
-
-
-
(V)
FM AM CD
0 0 0
4.9 4.9 4.9
- - -
4.9 4.9 4.9
4.8 4.8 4.8
4.7 4.7 4.7
- - -
- - -
4.6 4.6 4.6
- - -
- - -
- - -
- - -
- - -
4.8 4.8 4.8
2.8 2.8 2.8
- - -
- - -
4.8 4.8 4.8
4.5 4.5 4.5
4.8 4.8 4.8
0 0 0
4.8 4.8 4.8
2.9 2.9 2.9
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