Panasonic CQ-DF402U Service Manual page 11

Pin Port
No.
PS IC2 mute
1
Loading motor control
2 REV
Loading motor control
3 FWD
Not used
4 P47
5 P46 Not used
6 C1 CD clock
7 ACC ACC input
SW4 Switch input
8
Switch input
9 SW3
Not used
10 TEST
Reset switch
11 INSW
Not used
12 P31
(Ground pull-down)
13 VPP
14 X2 Crystal oscillator
15 X1 Crystal oscillator
16 VSS0 Ground
+5V power supply
17 VDD0
18 XT2 Not used
(Conecting to ground)
19 XT1
20 /RESET Reset input
21 P30 Not used
22 MUTE Mute control
Switch input
23 SW1
24 SW2 Switch input
Serial data
25 SO(INT)
Data strobe
26 /STB
27 SO Serial data
28 SI Serial data
29 /SCK Data shift clock
(Connecting to ground)
30 L-ZERO
31 D.MUTE DSP mute
32 DATA CD data
33 C2 CD clock
34 R-ZERO (Connecting to ground)
35 RXD Not used
36 TXD Not used
37 ASCK Not used
38 VDD1 +5V power supply
39 VSS1 Ground
40 /XALEN XAL enable
41 A0 Data/Command flag
42 RST2 Reset output
43 RFOK RF signal input
Description I/O (V)
O 4.8
O 0
O 0
- -
- -
I 4.8
I 0
I 0.5
I 0.5
- -
I 4.8
- -
- 0
- 2.9
- 2.0
- 0
- 4.8
- -
- 0
I 4.9
- -
O 4.8
I 0
I 4.8
O 0
O 0
O 0.4
I 3.8
O 3.8
- 0
O 0
I/O 0
I 0
- 0
- -
- -
- -
- 4.8
- 0
O 0
O 3.8
O 4.8
I 4.7
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