Kenwood D-W320V, Service Manual

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D-W320V
CIRCUIT DESCRIPTION
5
Pin No. Terminal Name I/O Function
1 VDA1 – ADC power supply
2 MICI I LPF input for Mic input
3 LPFO1 O LPF output for Mic input
4 VRA1 – ADC reference voltage
5 AIL I Line input (Lch)
6 LPFO2 O Not used
7 VRA2 – ADC reference voltage
8 AIR I Line input (Rch)
9 LPFO3 O Not used
10 GNDA1 – ADC ground
11 LI I Lch analog add input
12 LZ O Not used
13 GNDA2 – DAC ground
14 AOL O DAC output (Lch)
15 VR2 – DAC reference voltage
16 AOR O DAC out put (Rch)
17 VDA2 – DAC power SUPPLY
18 RZ O Not used
19 RI I Rch analog add input
20 VDX – X-TAL power supply
21 XI I X-TAL in (16.9344 MHz)
22 XO O X-TAL out
23 GNDX – Ground
24, 25 VDD1, CKS – Digital power supply
26 MCK2 O Not used
27 MCK1 O Clock output
28~30 SDO/BCKO/LRCKO – Not used
31 SDI I Digital audio data input
32 BCKI – Bit clock input
33 LRCKI – Channel clock input
34 GNDD – Digital ground
35 RESET I Reset
36 IFD I U-com I/F data input
37 IFS I U-com I/F data shift clock input
38 IFL I U-com I/F latch pulse input
39 EMP I DE-emphasis setting (H = DE-emphasis filter on)
40 EXTO O Not used
41~43 TEST/VDD2/VDL – Digital power supply
44 GNDL – Digital ground for DRAM
2. KARAOKE IC/DAC IC 201 (TC9409 BF)
Pin description
D-W320V 1P( 97.11.28 11:20 PM y [ W 2