Panasonic CQ-C1312NW, Service Manual

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9. TERMINALS DESCRIPTION
9.1. Main Block
IC601 : YESAM281
Pin
No.
Port Description I/O (V)
FM AM CD
1 (NC) - - - - -
2 VSM Radio signal
strength I 0 0 0
3 SD/ST Radio station
detect I 0.3 0 0.8
4 AVSS Ground - 0 0 0
5 SCL Audio control
serial clock O 4.9 4.9 4.9
6 SDA Audio control data O 4.9 4.9 4.9
7 AVREF (Conecting to +5V) - 4.9 4.9 4.9
8 CD SO CD data output I 2.1 2.3 1.7
9 CD SI CD data input O 0 0 3.3
10 CD SCK CD clock O 4.7 4.7 4.7
11 CDC DATA/
XM-TX SO
(NC)
- - - - -
12 XM-RX SI
(NC)
- - - - -
13 CDC CLK
(NC)
- - - - -
14 CDC REM
(NC)
- - - - -
15 BZ OUT
(NC)
- - - - -
16 LCD DO LCD data I 4.8 4.8 4.8
17 LCD DI LCD data O 4.7 4.7 4.7
18 LCD CLK LCD Clock O 4.8 4.8 4.8
19 CD MUTE CD mute I 0 0 4.8
20 CD RST CD reset O 4.8 4.8 4.8
21 CD STB CD strobe I 3.7 3.7 3.7
22 CDC SENS
(NC)
- - - - -
23 PLL DO PLL data I 4.9 4.9 4.9
24 PLL CLK PLL data clock O 4.8 4.8 4.8
25 PLL DI PLL data O 0 0 0
26 PLL CE PLL chip select O 0 0 0
27 (NC) - - - - -
28 (NC) - - - - -
29 (NC) - - - - -
30 (NC) - - - - -
31 (NC) - - - - -
32 (NC) - - - - -
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