Pa-Board Block Diagrarm - Panasonic TH-37PX60U Service Manual

TH-37PX60U / TH-42PX60U

14.18. PA-Board Block Diagrarm

TO P10 PA10
F_STBY_14V 1 TP16
F_STBY_14V 2
F_STBY_14V 3
STB5V1
IC5801
AVR 15V
FAN CONTROL
1 Vin
5 ON/OFF
PA31
FAN 1
D5805
SOS 3
PA32
FAN 1
SOS 3
PA33
FAN 1
SOS 3
D5806
PA34
FAN 1
D5807
SOS 3
TH-37/42PX60U
PA-Board Block Diagram
IC5601
AVR 5V/9V
SUB9V/
16 ON/OFF1 VOUT1 14
MAIN9V
10 VIN
SUB5V/MAIN5V
2 ON/OFF2 VOUT2 4
Q5613
Q5643 Q5641
Q5604
ON/OFF
NR14V
SUB_3.3V
D5641
SUB_9V-1
SUB_5V
D5643
D5635 D5642 D5644 D5639
D5634
Q5644
D5640
D5637
D5638
Vadj 4
Vout
2
(sw)
IC2304
OP AMP
6
D5804
5
3
2
IC2306
OP AMP
6
5
FAN SOS
LED BLINKING : 11TIMES 3
2
AVR 1.8V/3.3V
Q5610
15 ON/OFF1
9 VIN
MAIN5V
Q5603
1 ON/OFF2
ON/OFF
Q5605
1
SUB9V(2.2A)
MAIN_9V(0.4A) MAIN_9V(0.1A)
Q5601
ON/OFF Q5602
SUB5V(1.0A)
MAIN5V(0.37A)
MAIN3.3V(1.55A)
MAIN1.8V(1.2A)
Q5642
D5646
PA SOS
D5649
MAIN_1.8V LED BLINKING : 10TIMES
MAIN_9V
MAIN_5V
D5647 SUB3.3V
STB5V1
MAIN9V
Q2306 Q2302
7
1 Q2307 Q2303
MAIN9V
7
1
92
IC5602
MAIN3.3V(2.5A)
VOUT1 13
MAIN1.8V(1.2A)
VOUT2 3
IC5604
AVR 3.3V
VIN VOUT 5
TPS9 TPS9V
SUB9V(1.7A)
TPS5 TPS5V
TPM9 TPM9V
TPM5 TPM5V
TPM33 TPM33V
TPM18 TPM18V
TUNER_MAIN_ON
TV_SUB_ON
SOS
TP5616 TP5615 TP5617
TPS33
TPS33V
SOUND SOS
LED BLINKING : 12TIMES
Q2300
D2309
IC2302
SPEAKER AMP
3 48
RINP AVCC
5 LINP LOUTP 19
26 PVCCL LOUTP 20
27 21
PVCCL LOUTN
34 22
PVCCR LOUTN
35 PVCCR ROUTN 39
44 40
SHUTDOWN ROUTN
Q2301 46 41
FAULT ROUTP
ROUTP 42
PA
DC-DC CONVERTER
SPEAKER OUT/AUDIO AMP
FAN CONTROL
PA20 TO DG20
1 SUB9V
2 SUB9V
3 SUB9V
6 MAIN9V
8 SUB5V
9 SUB5V
12 MAIN5V
13 MAIN5V
18 MAIN3.3V
19 MAIN3.3V
20 MAIN3.3V
23 MAIN1.8V
24 MAIN1.8V
32
TUNER_MAIN_ON
33 TUNER_SUB_ON
34 PA_SOS
35
SOUND_SOS
16 FAN_CONT
17 FAN_SOS
37
SL
39 SR
PA40 TO H40
1 STB5V
3
SUB9V
5 MAIN9V
7 SUB5VA
9 SUB5VA
11 SUB3.3V
13 MAIN3.3V
15 AMUTE
PA5 TO P5
1 +15V
2 +15V
6 +15V
7 +15V
8 +15V
TO SPEAKER
PA2
(W-R & W-L)
5 W_L-
4 W_L+
2 W_R-
1
W_R+
TH-37/42PX60U
PA-Board Block Diagram