Pb-Board Block And Schematic Diagram - Panasonic TH-50PHD8BK Service Manual

TH-50PHD8BK / TH-50PHD8BS / TH-50PHD8EK / TH-50PHD8ES

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