3-5
•
S
TVR
•
ST
V
L
•
C
KV
•
UN
D
•
O
EV
•
VC
O
M
O
•
LN
R
•
MO
D
•
OE
H
•
ST
H
L
•
ST
H
R
•
CP
H
3
•
CP
H
2
•
CP
H
1
•
89
P
_R
•
89
P
_G
•
89
P
_B
•
SP
L
-
•
SP
L
+
•
SP
R
-
•
SP
R
+
•
3.
3
V
•
BA
T
_OUT
•
PW
R
C
T
L
_L
C
D
VCOM BLOCK
•
N
JM3
414
A IC
•
VOLTAGE SUPPLY
SMOTHLY
LCD POWER BLOCK
•
VG
H
(15
V)
•
VG
L
(-1
0V)
•
7.
5
V
•
5V
•
MP
1
5
40 IC
R/G/B Circuit
BLOCK
•
RO
U
T
•
GO
U
T
•
BO
U
T
•
VC
O
M
•
VG
H
•
VG
L
•
S
TVR
•
ST
V
L
•
C
KV
•
UN
D
•
O
EV
•
VC
O
M
O
•
L
NR
•
MO
D
•
OE
H
•
ST
H
L
•
ST
H
R
•
CP
H
3
•
CP
H
2
•
CP
H
1
•
89
P
_R
•
89
P
_G
•
89
P
_B
LCD PANEL
SPEAK
•
SP
L
-
•
SP
L
+
•
SP
R
-
•
SP
R
+
BACKLIGHT
•
BAT_
OUT
•
PWRC
TL_
LCD
•
M
P2359 IC
INVERTER P
OWER BLOCK
Connector
(Main interface)
BLOCK DIAGRAM
Summary of Contents for DP270B
Page 15: ...3 6 MEMO ...
Page 17: ...3 9 3 10 PRINTED CIRCUIT DIAGRAM TOP VIEW BOTTOM VIEW MEMO ...
Page 34: ...3 27 2 WIRING CONNECTION DIAGRAM 2 MAIN PCB KEY PCB MAIN PCB Key PCB ...
Page 51: ...3 55 3 56 1 MAIN P C BOARD TOP VIEW PRINTED CIRCUIT DIAGRAMS ...