Mechanism Μ-Com : Ic4 (X32- : Cd Player Unit) - Kenwood KDC-MP4033 Service Manual

MICROCOMPUTER'S TERMINAL DESCRIPTION
MECHANISM µ-COM : IC4 (X32- : CD PLAYER UNIT)
Pin No. Pin Name I/O
1 NC -
2 E2P SCL I/O
3~5 NC -
6 VDD -
7 GND -
8,9 NC -
10,11 PON1,PON2 O
12 LOE/LIM SW I
13 DAC MUTE O
14 DAC RST O
15 EMPH O
16,17 NC -
18 IC/Vpp -
19 MUTE L O
20 MUTE R O
21 TYPE I
22 TEST O 1 O
23 TEST O 2 O
24 TEST O 3 O
25 TEST O 4 O
26 NC -
27 WAIT I
28~30 NC -
31 RESET I
32 XT1 I
33 XT2 -
34 REGC -
35 X2 -
36 X1 I
37 Vss -
38 VDD -
39 NC -
40 WRL I
Application
Not used.
Rom correction E2P I2C clock
Not used.
5V electric potential
GND electric potential
Not used.
Power ON/OFF control
Down-limit SW detection
DAC MUTE control
DAC RESET
External DAC Emphasis control
Not used.
Write voltage (FLASH)
Lch audio MUTE control
Rch audio MUTE control
DAC switching
TEST MODE O 1
TEST MODE O 2
TEST MODE O 3
TEST MODE O 4
Not used.
Wait control signal detection
Not used.
Reset detection
Not used.
Not used.
GND electric potential
5V electric potential
NC
Multiplex WRITE signal
KDC-MP2032/MP232/MP4033/
KDC-MP4033S/W4534/W4534Y
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
7