Kenwood DV-605, Service Manual

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