Toshiba 42HP83 Service Manual page 34

Q870A
4 2
Q870
C871
1
5 3
G872
C874
D870
+
D870A
R870
+
C870
L870
PROTECT
GND(12V)
GND(12V)
GND(12V)
+
12V
12V
Q890
12V
GJ90
9V_FAN
GND E
JP011
GND
POWFAN
R891
STOPFAN
B
5V1
D891
STOP_FAN
9V_FAN
R893
D892
13
9VS
GND 12
R892
5V1 11
STOP_FAN
GND 10
9
3.3VS2
8
3.3VS2
C880
3.3VS2 7
GND 6 Q880
Q880A
5
GND
GND
4
C881
3.3VS1 3
3.3VS1 2
3.3VS1 1
GJ80
LOWB2 BOARD PD1340
BOTTOM (FOIL) SIDE
Q860A
4 2
Q860
C861
5 3
G862
D860
C864
L861
D860A
+
C860
L860
+
D862
C875
23547390
TOP (COMPONENT) SIDE
Q860A
Q890A
2 4
1
3 5
JP004
C864
+
JP006
JP005
R860
C860
+
+
+
D862
PD1340
23599744A
– 39 –
C891
C890
+
Q890
Q890A
E
1
R891
D891
B
R893
D892
+
R860
R892
+
C880
Q880
+
Q880A
+
C881
TZ-1
Q860
2
1
3
G862
JP001
C874
D860
L861
+
R870
+
L860
+
C875
JP007
PROTECT
GND(12V)
GND(12V)
GND(12V)
12V
12V
12V
9V_FAN
GND
GND
POW_FAN
STOP_FAN
STOP_FAN
5V1
P819
9V_FAN
13
9VS
12
GND
11
STOP_FAN 5V1
P818
10
GND
9
3.3VS2
8
3.3VS2
7
3.3VS2
6
GND
5
GND
4
GND
3
3.3VS1
2
3.3VS1
1
3.3VS1
Q870A
Q870
4
5
G872
D870
JP003
JP002
+
L870 C870