Kenwood DVR-8100, Service Manual

Page: 7 / 33

DVR-8100
7
CIRCUIT DESCRIPTION
Pin No. Pin Name I/O Pin Description
Logic
H L
15 SUPPLY PROTECT I Unused.
16 4586 CDTO I Data input from level shift (X09, IC8).
17 AK4586 INT0 I Error detection when digital input. ERROR
18 AK4586 INT1 I Audio bit validity detection for digital input. DETECTED
19 AK4586 OVERLEVEL I Clip detection from AK4586 (X09, IC7). CLIP
20 AK4586 DZF1 I Zero detection when digital input. ZERO
21 DSP-INTREQ I Interruption pin for DSP.
22 SUB CPU CLK O Clock output to sub CPU.
23 SUB CPU DATA IN I Data input from sub CPU.
24 SUB CPU DATA OUT O Data output to sub CPU.
25 DSP 493xxCLK O Communication clock to DSP.
26 DSP493xxDATA IN I Communication data input from DSP.
27 DSP493xxDATA OUT O Communication data output to DSP.
28 AD REF AV ref Power supply (+5.0V)
29,30 KEY IN (1,2) I A/D key inputs.
31 EEPROM DATA I/O EEPROM data input and output.
32 TUNED I Tuned signal input from tuner.
33 OPT_DET I
Detection pin for optical input.
Optical : 0.71V~2.69V Coax : 0V~0.7V, 2.7V~5.0V
34 MODEL_OPTION I Unused.
35 PLL-DATA IN/ST CHK I Control data for tuner.
36 STEP-OPTION I Setting pin for tuner.
37 VSS Avss GND
38 RST I Reset signal input.
39 XTAL-IN I Crystal oscillator input (10MHz).
40 XTAL-OUT O Crystal oscillator output (10MHz).
41 VSS I GND
42 NC NC Unused.
43 GND I GND
44 VDD VDD Power supply (+5.0V)
45 VFDP - GND
46 BD3811_DATA O Control data output to BD3811 (X09, IC23).
47 RELAY-F O Control pin for front speaker relay. RELAY ON
48 BD3811_CLK O Clock output to BD3811 (X09, IC23).
49 BD3811_MUTE O Mute control to BD3811 (X09, IC23).
50 PLL-CE O Chip select to PLL IC.
51 PLL-CLK O Clock output to PLL IC.
52 PLL D OUT O Control data output to PLL IC.
53 AK4586CS O AD/DA chip select.
54 AK4586RST O AD/DA reset.
55~57 VIDEO CTL(1~3) O Select signal (1~3) for video selector.
58,59 VIDEO MUTE (1,2) O Mute signal (1,2) for video selector.
60 AK4586 MST/SLV O Unused.
61 10dB ATT O Unused.
62 A_MUTE O Amplifier mute control. MUTE ON
63 T_MUTE O Tuner mute control. MUTE ON
64 DSP 493xxRST O Reset output to DSP.
65~67 DSP (A15~A17) O Address output to DSP.
68 STBY LED O Control pin for standby LED. LED ON
69 RELAY-R O Control pin for surround speaker relay. RELAY ON
70 PACK CONTROL O Mute control to TA2022 (X09, IC500~502). MUTE ON MUTE OFF
71 RELAY POWER O Control pin to power relay. POWER ON
72 SUB RST O Reset signal output to sub CPU.
73 AK4586 CLK O Data output to AK4586 (X09, IC7).
www. xiaoyu163. com
QQ 376315150
9 9
2
8 9
4 2
9 8
TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299