Kenwood KDC-MP628 Service Manual page 12

KDC-MP628/MP7028/MP728
MP8029/W7031/W7031Y
QQ
MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
● MECHANISM MICROCOMPUTER : IC4 (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
TE
L 13942296513
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
www
39 NC
40 WRL
41,42 NC
.
43 RD
12
I/O Application
O Not used.
I/O Rom correction E2P I2C clock
O Not used.
- 5V electric potential
- GND electric potential
O Not used.
O Power ON/OFF control
I Down-limit SW detection
O DAC MUTE control
O DAC RESET
O External DAC Emphasis control
O Not used.
- Write voltage (FLASH)
O Lch audio MUTE control
O Rch audio MUTE control
I DAC switching terminal
O TEST MODE O 1
O TEST MODE O 2
O TEST MODE O 3
O TEST MODE O 4
O Not used.
I Wait control signal detection
O Not used.
I Reset detection
I Not used.
- Not used.
-
-
I
- GND electric potential
- 5V electric potential
O NC
x ao
y
I Multiplex WRITE signal
O Not used.
i
O Multiplex RD signal
8
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.
Q Q
3 6 7 1 3
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
u163
Low-fixed
.
* DXM-6580W : X92-5080-00, DXM-6590W : X92-5190-00
2 9 9 4 2 8
Remarks
Used only with DXM-6590W.
With DXM-6580W, open and L-fixed.
Used only with DXM-6590W.
With DXM-6580W, open and L-fixed.
Used only with DXM-6590W.
With DXM-6580W, open and L-fixed.
1 5 0 5 8 2 9 9 4
H : DXM-6580W, L : DXM-6590W
m
3.3V driven
co
3.3V driven
3.3V driven
3.3V driven
9 9
2 8 9 9