Sony SPP-SS950, Service Manual

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1 KEYPADB5 — Not used
2-4 D0-2 — Not used
5 D3 I DIAL MAKE rate selection input H: 40%, L: 33%
6 D4 I Model selection input H: SPP-SS950
7-9 D5-7 — Not used
10-14 KEY PADI0-4 — Not used
15 KEYPADI5 I PAGE key input
16 VSSC — Ground
17 VDDC — Power supply (+5 V)
18 VDDP — Power supplu (+5 V)
19 VSSC — Ground
20, 21 OSC1, 2 — Not used
22, 23 KEYPADB3, 4 — Not used
24 CDCDATAI I CODEC DATA input
25 CDCDATAO I/O CODEC DATA output
26 CDCMCLK O CODEC master CLK output
27 RESETO O Reset signal output
28 CDCICLK O CODEC interface CLK output
29 VDDP — Power supply (+5 V)
30 VSSP — Ground
31 KEYPADB2 O PAGE key output
32 CDCFRAME O CODEC FRAM output
33 ARTI I ART input
34 ARTO O ART output
35, 36 KEYPADB1, 0 — Not used
37 GPIOB7 O RELAY ON/OFF output H: active
38 VDDP — Power supply (+5 V)
39 LCDCS — Not used
40 VDDC — Power supply (+5 V)
41 VSSC — Ground
42 TEST I Test mode select input L: active
43 LNAATN O LNA gain select output H: low gain
44 RXEN O RX enable output H: active
45 VDDA — Power supply (+5 V)
46 VSSA — Ground
47 VDDA — Power supply (+5V)
48 VSSA — Ground
49 TXDATA O TX DATA output
50 VRP O Analog standard voltage output
51 RXIP I RX input (I positive)
52 RXIN I RX input (I negative)
53 RXQP I RX input (Q positive)
54 RXQN I RX input (Q negative)
55 NC — Not used
56 IBIAS I Analog bias input
57 AGND O Analog ground
6-5. IC PIN FUNCTION DESCRIPTION
• BASE MAIN BAORD IC751 C7302-11 (RDSSS9M-ASIC)
Pin No. Pin Name I/O Function