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<strong>STR</strong>-<strong>DB870</strong>/<strong>DB1070</strong><br />
Pin No. Pin Name I/O Description<br />
41 M STATUS O STATUS (M BUS) control signal output to the select switch (IC751)<br />
42 D.POWER O Power ON/OFF control signal output terminal (digital section power)<br />
43 V.POWER O Power ON/OFF control signal output terminal (video section power)<br />
44 VSS — Ground terminal<br />
45, 46 NC I Not used (fixed at “L” )<br />
47 ERROR I Error signal input from the audio DSP (IC1601)<br />
48 NC I Not used (fixed at “L” )<br />
49 SUB.T.PORT O Sub power transformer (T2) on/off signal output terminal<br />
50 AUDIO SPLIT LED O LED drive signal output of AUDIO SPLIT indicator (D1801)<br />
51 GND — Not used (fixed at “L” )<br />
52 MD2 O MD2 signal output terminal (fixed at “L” )<br />
53 MD1 O MD1 signal output terminal (fixed at “H” )<br />
54 MD0 O MD0 signal output terminal (fixed at “H” )<br />
55 RSTX I System reset signal input from the reset signal generator (IC1702)<br />
56 VCC — Power supply terminal (+3.3V)<br />
57 X1 O Main system clock output terminal (16.5MHz)<br />
58 X0 I Main system clock output terminal (16.5MHz)<br />
59 VSS — Ground terminal<br />
60 STOP I AC power check signal input terminal<br />
61 RDS CLK I RDS serial data transfer clock signal input from the RDS decoder (IC1303)<br />
62 POWER I Key input terminal I/1 key (S1704) input<br />
63 MBUS TV I TV (M BUS) signal input from the TV jack (J755) (US, Canadian models only)<br />
64 MBUS DVD I DVD (M BUS) signal input terminal (US, Canadian models only)<br />
65 MBUS VIDEO I VIDEO (M BUS) input terminal (US, Canadian models only)<br />
66 SIRCS I Sircs signal input from the remote control receiver (IC1701) and select switch (IC751)<br />
67 DIR ERROR I Error signal input from the digital audio interface receiver (IC1408)<br />
68 VCC — Power supply terminal (+3.3V)<br />
69 XSTATE I Clock status flag signal input from the digital audio interface receiver (IC1408)<br />
70 DATA0 I Audio data input from the digital audio interface receiver (IC1408)<br />
71 XMODE O Reset signal output to the digital audio interface receiver (IC1408) “L”: active<br />
72 CKSEL1 O System clock select 1 output to the digital audio interface receiver (IC1408)<br />
73 CLK O Clock signal output to the digital audio interface receiver (IC1408)<br />
74 CE O Chip enable signal output to the digital audio interface receiver (IC1408)<br />
75 DI O Data output to the digital audio interface receiver (IC1408)<br />
76 DO I Data input from the digital audio interface receiver (IC1408)<br />
77 VCC — Power supply terminal (+3.3V)<br />
78 BST O Booster control signal output to the audio DSP2 (IC1601)<br />
79 PM2 O PLL initialize signal output to the audio DSP2 (IC1601)<br />
80 XRST2 O Reset signal output to the audio DSP2 (IC1601)<br />
81 HACN2 I Host acknowledge signal input from the audio DSP2(IC1601)<br />
82 HCS2 O Host chip select signal output to the audio DSP2 (IC1601)<br />
83 GB9 I Signal input from the audio DSP1 (IC1501)<br />
84 BST1 O Boot strap signal output to the audio DSP1 (IC1501)<br />
85 HCS1 O Host chip select signal output to the audio DSP1 (IC1501)<br />
86 A1 IN I Audio bus input terminal (control A1)<br />
87 A1 OUT O Audio bus output terminal (control A1)<br />
51
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