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TH-42PHD8BK / TH-42PHD8BS / TH-42PHD8EK / TH-42PHD8ES
15.6. PB-Board Block and Schematic Diagram
A
B
IC850
1
PB
P30
30
+15V
1
FAN SOS
3
C
+5V
4
FAN CONT
5
FAN SOS
SOS BLINKING TIMES:
LED 6 TIMES
PB FAN CONTROL
D
E
TH-42PHD8BK/BS/EK/ES
PB-Board Block and Schematic Diagram
1
FAN CONTROL
REGULATOR
PB
FAN
31
FAN
+9V/+7.2V
VOLTAGE
2
1
1
CONTROL
2
2
D850
4
3
3
3
R854
Q850
PB
33
FAN
1
1
2
2
D852
3
3
R856
PB
35
FAN
1
1
2
2
D854
3
3
R858
2
3
TO
P-BOARD
PB
(P30)
30
1
15.0
DR15V
0
2
GND
MA2C165001VT
3
0
FAN SOS
4
5.0
5V
6.6
5
FAN CONT
IC850
C0DAAZG00014
FAN CONTROL
REGULATOR
C850
50V
0.1u
15V
L851
JS852
68u
R862
T3A205016
C852
25V
7.5k
470u
D859
C854
R863
16V
910
B0JAME000091
470u
R850
4.7k
R853
470
R852
Q850
R851
47k
2SC3311ARA
3.3k
4
5
64
TO FAN
PB
PB
PB
35
33
31
R858
R856
R854
1.2k
1.2k
1.2k
D852
D850
D854
MA2C165001VT
MA2C165001VT
TPFAN
PB-BOARD TNPA3655
TH-42PHD8BK/BS/EK/ES
PB-Board Block and Schematic Diagram
6
7
8
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