Kenwood DV-605 Service Manual page 10

DV-605/DVF-R5060-S
2-6 24-bit, 192kHz Stereo DAC : WM8728 (Main, IC61)
Pin No. Pin Name
1 LRCIN
2 DIN
3 BCKIN
4 MCLK
5 ZERO
6 DGND
7 DVDD
8 VOUTR
9 AGND
10 AVDD
11 VOUTL
12 VMID
13 VREFN
14 VREFP
15 CSBIWL
16 MODE
17 MUTEB
18 SDIDEM
19 SCKDSD
20 LAT12S
2-7 VFD Controller :CXP82532(IC91)
Pin No. Pin Name
1 RXD
2 RMC IN
3~7 -
8 RESET MAIN
9,10 -
11 MODE SELECT
12,13 -
14~18 DISC(5~1) LED
19~21 NC
22 REGION
23,24 -
25~27 KEY1~KEY3
28,29 -
30 RST
31 EXTAL
32 XTAL
33 VSS
34~56 SEG01~SEG23
57,58 -
59~70 G12~G1
71 VFDP
72,73 VDD
74 SCART H
75,76 -
77 TXD
78,79 -
10
80 -
CIRCUIT DESCRIPTION
I/O
DAC sample rate clock input : PCM input mode
I
Right channel DSD bitstream input : DSD input mode
Serial audio data input : PCM input mode
I
Left channel DSD bitstream input : DSD input mode
I Audio data bit clock input.
I Master clock input.
O Infinite zero detect flag.
- Digital ground supply.
- Digital positive supply.
O Right channel DAC output.
- Analog ground supply.
- Analog positive supply.
O Left channel DAC output.
O Mid rail decoupling point.
- DAC negative reference.
- DAC positive reference.
Software mode : 3-wire serial control chip select
I
Hardware mode : Input word length
I Control mode selection.
- Mute control. "L" = Mute on, "H" = Mute off
Software mode : 3 or 2-wire serial control data input
-
Hardware mode : De-Emphasis select
Software mode : 3 or 2-wire serial control clock input
I
Hardware mode : DSD bitstream operation select
Software mode : 3-wire serial control load input
I
Hardware mode : Input data format selection
I/O
I Communication from MPEG (IC21).
I Input for remote control receiving circuit.
- Unused.
I/O System reset.
- Unused.
- Unused.
- Unused.
I Key return input for segment signal with performs key scanning.
- Unused.
- Setting of the destination.
- Unused.
I Key input port.
- Unused.
I Reset signal input.
I Connection for system clock oscillation crystal.
O Connection for system clock oscillation crystal.
- GND
O Segment signal output for FDP.
- Unused.
O Grid signal output for FDP.
- Power supply (-25V) for FDP.
- Positive power supply(+5.0V).
- Unused.
- Unused.
O Communication to MPEG (IC21).
- Unused.
- Connected to power supply(+5V).
Pin Description
Description