5
KDC-MP425/MP6026
KDC-W6027/W6027Y
Ref. No.
Application / Function
Operation / Condition / Compatibility
DSI lights when the base is "L".
Q151
DSI Driver
DSI turns off when the base is "H".
DSI turns on and off when panel is taken off.
Q152
Panel 5V SW
When the panel is attached, the base goes "L", turning the Tr ON to supply 5V to the panel.
When panel is taken off, panel 5V cut off.
Q153,154
ILL Control
ILL lights when the base of Q153 is "H".
Q201
Noise buffer
Q350
Pre and NF Mute SW
Drives the Pre and NF Mute sw (Q351,355) when the base is "L".
(not always Pre and NF)
Q351
Pre / NF Mute SW
Mutes the Pre Rear Lch or NF Lch when the base is "H".
Q352
Pre / NF Mute SW
Mutes the Pre Rear Rch or NF Rch when the base is "H".
Q354
Pre and NF Mute SW
Drives the Pre and NF Mute sw (Q352,356) when the base is "L".
(not always Pre and NF)
Q355
Pre Mute SW
Mutes the Front Lch when the base is "H".
Q356
Pre Mute SW
Mutes the Front Rch when the base is "H".
COMPONENTS DESCRIPTION
SYSTEM MICROCOMPUTER : UPD703030GC044 (X34 : IC1)
Pin No.
Pin Name
I/O
Application
Truth
Processing Operation Description
value table
1
PLL CLK
I/O
CLK output terminal to F/E
2
Not used
O
3PANEL-DET
I
Panel DET terminal
No panel DET : L, Panel DET : H
4
IC2 SDA
I/O
DATA input/output terminal with E-VOL
5
IC2 SCL
I/O
CLK output terminal to E-VOL
6
VDD
-
7
VSS
-
8
FLIP-DET
I
Flip DET terminal
L : Panel DET, H : Panel flippable
9
BEEP
O
BEEP output terminal
10
REMO
I
Remote control input
11
R QUAL
I
RDS decoder QUAL input terminal
Not used
O
Destination other than E and E2
MICROCOMPUTER'S TERMINAL DESCRIPTION
