Kenwood DPX-3070, Service Manual

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DPX-3070/3070B
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CD MECHANISM CONTROL IC : 789166YGB-A513 (X32 : IC1)
Pin No. Name I/O Description Processing Operation
1~6 NC I NC GND
7 ZMUTE L I 0-bit MUTE detect (Lch)
Less than 54h : Normal condition,
More than 54h : 0-bit mute detect
8 ZMUTE R I 0-bit MUTE detect (Rch)
Less than 54h : Normal condition,
More than 54h : 0-bit mute detect
9 AVSS - DGND
10 /MUTE L O Lch Audio mute control L : MUTE ON, H : MUTE OFF
11 /MUTE R O Rch Audio mute control L : MUTE ON, H : MUTE OFF
12 /MSTOP I Interruption for stand-by L : Stop, H : Release for stop mode
13 INTQ I Interruption for DSP IC H : Interruption
14 /FOGUP I Interruption for focus gain up L : Foucus gain up, H : Normal condition
15 PON O Power ON/OFF control H : ON, L : OFF
16 /SCK O Serial data clock output for DSP
17 VDD1 - BU5V
18 SO O Serial data output for DSP
19 SI I Serial data input for DSP
20 /CLK I/O I2C clock for system control
21 DATA I/O I2C data for system control
22 VPP - Flash saving terminal
23 XT2 - NC Open
24 XT1 I NC GND
25 /MRESET I Reset detect L : Reset, H : Normal condition
26 X2 - System clock 4.19MHz
27 X1 I System clock 4.19MHz
28 VSS0 - DGND
29 VDD0 - BU5V
30 LOE&LIM SW I Loading end & limit SW detect L : Inside detect, H : Outside
31 DRV MUTE O Driver muting L : MUTE ON, H : MUTE OFF
32,33 NC O NC Open
34 /SERCH O Condition of serch state L : Search, H : Normal condition
35 /STB O Data strobe signal output
36 A0 O Command & parameter signal output
37 VSS1 - DGND
38 /DSP RESET O DSP reset control L : Reset, H : Normal condition
39~41 NC - NC Open
42 /PON O Power ON/OFF control L : ON, H : OFF
43 AVDD - BU5V
44 AVREF - BU5V
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