Circuit Description - Kenwood DVR-8100 Service Manual

DVR-8100
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3 7 63 1515 0
1. Pin Description of MPEG Processor IC (DVD & VIDEO IC61)
Pin No.
PIOs and communication
1 PIO2(5) RGB SEL(BLANK)
2 PIO2(6) VIDEO MUTE
3 PIO2(7) 16: 9 INDICATOR
6 PIO3(0) SCART H (TV/AUX)
7 PIO3(1)
8 PIO3(2)
9 PIO3(3)
10 PIO3(4) IR REMOCON
11 PIO3(5)
12 PIO3(6)
13 PIO3(7) DVD RESET
Front-end
16 B DATA
17 B BCLK
18 B FLAG
19 B SYNC
Reserved
20 B WCLK
21 B V4
22 NRSS OUT
23 VDD RGB
24 VSS RGB
TE
Video DAC
L 13942296513
25,26,27 B/G/R (OUT)
28 V REF RG
29 I REF RG
30 VDD YCC
31 VSS YCC
32~34 Y/C/CV (OUT)
35 V REF YCC
36 I REF YCC
PIOs and communication
39 PIO4(0)HP MUTE
40 PIO4(1)
41 PIO4(2)
42 PIO4(3) DAC RESET
43 PIO4(4) PLL CS
44 PIO4(5) DAC CLOCK
45 PIO4(6) DAC DATA
46 PIO4(7) DAC CS
Audio DAC
48 VDD PCM
49 VSS PCM
51 DAC SCLK
52 DAC PCMOUT0
53 DAC PCMOUT1
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54 DAC PCMOUT2
55 DAC PCMCLK
56 DAC LRCLK
57 SPDIF OUT
Shared memory interface
58~63 SMI ADR(4~9)
66~69 SMI ADR(3~0)
4

CIRCUIT DESCRIPTION

Pin Name
x ao
y
. i
8
I/O
I/O RGB sel (blank). unused
I/O Video mute control.
I/O 16 : 9 indicator (unused).
I/O Unused.
I/O Unused.
- CSB (unused).
- SDIN (unused).
I/O Unused.
- SCLK (unused).
I/O Unused.
I/O Power- on reset of front-end module.
I I2S Data
I I2S Bit clock
I I2S Error flag
I/O I2S Sector / ABS time
I/O Unused.
I/O Unused.
I/O Unused.
- Supply voltage for RGB (+3.3VA).
- GND
Q Q
3 6 7 1 3
O B/G/R signal outputs.
I Reference voltage input for DAC RGB.
I Reference current input for DAC RGB.
- Supply voltage for YCC (+3.3VA).
- GND
O Y/C/CV signal outputs.
I Reference voltage input for DAC YCC.
I Reference current input for DAC YCC.
- Unused.
- Unused.
- Unused.
- Unused.
- Unused.
O DAC clock output.
O DAC data output.
O DAC chip select.
- Supply voltage for PCM (+3V3).
- Ground for PCM.
O DAC over sampling clock.
O DAC PCM data out 0.
O DAC PCM out 1 (unused).
O DAC PCM out 2 (unused).
O DAC PCM clock.
u163
O DAC PCM Left/Right clock.
O Audio digital data output.
.
O SDRAM address bus.
O SDRAM address bus.
2 9 9 4 2 8
Pin Description
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9