Kenwood RD-HD5MD Service Manual page 13

Pin No. Pin Name I/O
77 CSEL
78 PSEL
79 MSEL
80 SSEL
6-5 D/A Converter : PCM1742 (IC507)
Pin No. Pin Name
1 BCK
2 DATA
3 LRCK
4 DGND
5 VDD
6 VCC
7 VOUTL
8 VOUTR
9 AGND
10 VCOM
11 ZEROR
12 ZEROL
13 MD
14 MC
15 ML
16 SCK
6-6 Digital Signal Processor : CXD2664R (X33, IC1)
Pin No. Pin Name
1 MNT0
2~4 MNT(1~3)
5 VDC0
6 SWDT
7 SCLK
8 XLAT
9 VSC0
10 SRDT
11 SENS
12 XRST
13 SQSY
14 DQSY
15 RPWR
16 XINT
17 TX
18 VDIO0
19 OSCI
20 OSCO
CIRCUIT DESCRIPTION
Designation of oscillation frequency.
I
H : f = 33.8688MHz L : f = 16.9344MHz
Test pin (Normal : L ) when IOSEL is H.
I
SRDATA input when IOSEL is L.
SMCK output when IOSEL is H.
H : SMCK = 8.4672MHz
I
LRCK input when IOSEL is L.
H : Lch data, L : Rch data
SUBQ output mode switching pin when IOSEL is H.
H : Q code buffer use mode
I
BCLK input when IOSEL is L.
Q code buffer use mode
I/O
I Audio data bit clock input.
I Audio data digital input.
I Audio data latch enable input.
- Digital ground.
- Digital power supply (+3.3V).
- Analog power supply (+5V).
O Analog output for L-channel.
O Analog output for R-channel.
- Analog ground.
- Common voltage decoupling.
O Zero flag output for R-channel.
O Zero flag output for L-channel.
I Mode control data input.
I Mode control clock input.
I Mode control latch input.
I System clock input.
I/O
I/O Monitor output.
O Monitor output.
- CORE power supply.
- Data input for microcomputer serial interface.
- Shift clock input for microcomputer serial interface.
- Latch input for microcomputer serial interface.
- CORE GND.
O Data output for microcomputer serial interface.
Outputs the internal status corresponding to the microcomputer serial
O
interface address.
I Reset input. Low : reset
O Disc subcode Q sync/ADIP sync output.
O U-bit CD or MD format subcode Q sync output when the digital in source is CD or MD.
I Laser power switching.
O Interrupt request output.
I Enable signal input for recording data output. High : enable
- I/O power supply.
I Crystal oscillation circuit input.
I/O Crystal oscillation circuit output. (Input when OSCN = high.)
RD-HD5MD/HD7
Pin Description
Switching pin of frequency.
L : SMCK = 4.2336MHz
SMCK = 4.2336MHz (Fixed)
L : CLDCK synchronism mode
Description
Pin Description
Latched at the falling edge.
High : recording power, Low : playback power
Low when the interrupt status occurs.
Active
H L
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