Panasonic CQ-C7402W, Service Manual

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Pin
No.
Port Part Name &
Description
I/O (V)
67 NC No Connection - -
68 NC No Connection - -
69 FLASH OE/
LCD RD
FLASH output enable
and LCD driver lead
strobe O 3.4
70 LCD WR LCD driver light
strobe signal O 3.4
71 FLASH WE FLASH light enable
signal O 3.4
72 NC No Connection - -
73 LCD RESET LCD driver reset
control O 3.4
74 FLASH RY/BY FLASH ready/busy
input
I 3.4
75 /RST System reset signal
input I 3.5
76 NC No Connection - -
77 X1A No Connection - -
78 X0A Not used I 0
79 VSS Ground - 0
80 X0 MAIN system clock
input (12.5MHz) I 1.3
81 X1 MAIN system clock
output (12.5MHz) O 1.5
82 VCC Positive power supply - 3.5
83 D0 FLASH D0/LCD D0 I 0.9
84 D1 FLASH D1/LCD D1 I 0.9
85 D2 FLASH D2/LCD D2 I 1.1
86 D3 FLASH D3/LCD D3 I 0.9
87 D4 FLASH D4/LCD D4 I 1.0
88 D5 FLASH D5/LCD D5 I 1.1
89 D6 FLASH D6/LCD D6 I 1.1
90 D7 FLASH D7/LCD D7 I 0.8
91 D8 FLASH D8 I/O 0.9
92 D9 FLASH D9 I/O 0.9
93 D10 FLASH D10 I/O 0.9
94 D11 FLASH D11 I/O 0.8
95 D12 FLASH D12 I/O 0.8
96 D13 FLASH D13 I/O 0.7
97 D14 FLASH D14 I/O 0.7
98 D15 FLASH D15 I/O 0.7
99 A16 FLASH A15 O 3.0
100 A17 FLASH A16 O 1.7
10.3. CD Servo Block
IC401 : YESAM275
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