Mechanism Μ-Com : Ic4 On X32- (Cd Player Unit) - Kenwood KDC-MP332 Service Manual

KDC-MP332/MP5033
KDC-W534/W534Y
MICROCOMPUTER'S TERMINAL DESCRIPTION
MECHANISM µ-com : IC4 on X32- (CD PLAYER UNIT)
Pin No. Pin Name
1 NC
2 E2P SCL
3~5 NC
6 VDD
7 GND
8,9 NC
10,11 PON1,PON2
12 LOE/LIM SW
13 DAC MUTE
14 DAC RST
15 EMPH
16,17 NC
18 IC/Vpp
19 MUTE L
20 MUTE R
21 TYPE
22 TEST O 1
23 TEST O 2
24 TEST O 3
25 TEST O 4
26 NC
27 WAIT
28~30 NC
31 RESET
32 XT1
33 XT2
34 REGC
35 X2
36 X1
37 Vss
38 VDD
39 NC
40 WRL
8
I/O Application
- Not used.
I/O Rom correction E2P I2C clock
- Not used
- 5V electric potential
- GND electric potential
- Not used
O Power ON/OFF control
I Down-limit SW detection
O DAC MUTE control
O DAC RESET
O External DAC Emphasis control
- Not used
- Write voltage (FLASH)
O Lch audio MUTE control
O Rch audio MUTE control
I DAC switching
O TEST MODE O 1
O TEST MODE O 2
O TEST MODE O 3
O TEST MODE O 4
- Not used.
I Wait control signal detection
- Not used
I Reset detection
I Not used
- Not used
-
-
I
- GND electric potential
- 5V electric potential
- NC
I Multiplex WRITE signal
Processing Operation
Description
Low-fixed
Low-fixed
Low-fixed
H : ON, L : OFF
L : Lim detection
H : MUTE ON, L : MUTE OFF
H : NORMAL, L : RESET
H : Emphasis ON,
L : Emphasis OFF
Low-fixed
L : Normal operation,
H : In writing
L : MUTE ON, H : MUTE OFF
L : MUTE ON, H : MUTE OFF
H : DSP built-in DAC used,
L : DSP built-in DAC Not used
(Not used)
(Not used)
(Not used)
(Not used)
Low-fixed
Low-fixed
H : NORMAL, L : RESET
Output stopped in standby
Remarks
Used with DXM-6680W (X32-586).
With DXM-6580W (X32-574), open
and L-fixed.
Used with DXM-6680W (X32-586).
With DXM-6580W (X32-574), open
and L-fixed.
Used with DXM-6680W (X32-586).
With DXM-6580W (X32-574), open
and L-fixed.
H : DXM-6580W (X32-574),
L : DXM-6680W (X32-586)
3.3V driven
3.3V driven