Panasonic CQ-C3400U Service Manual page 11

Pin Port
No.
P1 (NC)
1
S2/P2
2
(NC)
3-39 S3-39
LCD segment data
40-
COM1-4 LCD common
43
44,45 KS1, 2
Not used
46-
KS3-6 Key strobe
49
50-
Kl1-5 Key data
54
55 TEST (Connecting to ground)
56 VDD
+5V power supply
57 VDD1 VDD1 filter terminal
58 VDD2 VDD2 filter terminal
59 VSS
Ground
60 OSC
Oscillator terminal
61 DO
Key data output
62 CE
LCD driver chip enable
63 CLK
LCD clock
64 DI
LCD data
9.3. CD Servo Block / [CQ-C3400U/CQ-C3300U]
IC401 : YESAM176
Description
-
-
I/O (V)
- -
- -
O 2.5
O 2.5
-
-
O 5.0
I 0
0
-
- 5.0
- 3.3
- 1.7
- 0
- 5.0
O 5.0
I 0
I 5.0
I 5.0
11