Pa-Board Block Diagram - Panasonic TH-37PX600B Service Manual

TH-37PV600E / TH-37PX600B / TH-42PV600E / TH-42PX600B

14.18. PA-Board Block Diagram

PA
DC-DC CONVERTER/POWER SOS
SPEAKER OUT/AUDIO AMP
FAN CONTROL
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
3
SOS
PA32
D5804
FAN 1
SOS 3
TO FAN
PA33
1
FAN
SOS 3
D5806
PA34
FAN 1
D5807
SOS 3
TH-37/42PV600E, TH-37/42PX600B
PA-Board Block Diagram
IC5601
AVR 5V/9V
SUB9V/
16 14
ON/OFF1 VOUT1
MAIN9V
10
VIN
SUB5V/MAIN5V
2 ON/OFF2 VOUT2 4
Q5613
Q5601
ON/OFF
Q5643 Q5641
Q5604
ON/OFF
Q5642
NR14V
SUB_3.3V
D5641
SUB_9V-1
SUB_5V
D5643
D5635 D5642 D5644 D5639
D5634
Q5644
D5640
D5637
D5638
IC2300
IC2304
120Hz LPF
EQUALIZER AMP
Vadj 4
6
7 6
Vout
2 5
(sw)
5
3
1 3
2
2
IC2306
OP AMP
IC2301
IC2305
600Hz HPF
EQUALIZER AMP
6
7 6
5
5
3
1 3
2
2
FAN SOS
IC2307
LED BLINKING : 11TIMES
OP AMP
IC5602
AVR 1.8V/3.3V
Q5610
15 ON/OFF1 VOUT1
9 VIN
MAIN5V
Q5603
1
ON/OFF2 VOUT2
ON/OFF
Q5605
IC5604
AVR 3.3V
1 VIN VOUT
SUB9V(2.2A)
MAIN_9V(0.4A) MAIN_9V
Q5602
SUB5V
MAIN5V
MAIN3.3V
MAIN1.8V
D5646
PA SOS
D5649
MAIN_1.8V LED BLINKING : 10TIMES
MAIN_9V
MAIN_5V
D5647
SUB3.3V
STB5V1
MAIN9V
Q2300
Q2306 Q2302
7
1 Q2307 Q2303
MAIN_9V
6
7
5
3
1
2
Q2308 Q2304
7
1 Q2309 Q2305
6
7
5
3
1
2
104
MAIN3.3V
13
MAIN1.8V
3
5
TPS9 TPS9V
PA20
TO DG20
SUB9V
1 SUB9V
2 SUB9V
TPS5 TPS5V 3 SUB9V
TPM9 TPM9V
MAIN9V 6 MAIN9V
8 SUB5V
TPM5 TPM5V
9 SUB5V
12 MAIN5V
13 MAIN5V
TPM33 TPM33V
18 MAIN3.3V
19 MAIN3.3V
TPM18 TPM18V
20 MAIN3.3V
23 MAIN1.8V
24
MAIN1.8V
TUNER_MAIN_ON
32 TUNER_MAIN_ON
TV_SUB_ON
33
TUNER_SUB_ON
SOS
34 PA_SOS
35 SOUND_SOS
TP5616 TP5615 TP5617
16
FAN_CONT
17 FAN_SOS
37 SL
39 SR
TPS33
TPS33V
PA40 TO H40
1
STB5V
3 SUB9V
5 MAIN9V
7 SUB5VA
9 SUB5VA
11 SUB3.3V
13 MAIN3.3V
15 AMUTE
PA5 TO P5
SOUND SOS
LED BLINKING : 12TIMES
1 +15V
2 +15V
D2309
6
+15V
IC2302 7 +15V
8
+15V
SPEAKER AMP
WOOFER
3 RINP AVCC 48
SPEAKER L
PA2
5 LINP LOUTP 19
W_L-
26 PVCCL LOUTP 20 5
W_L+
27 PVCCL LOUTN 21 4
34 PVCCR LOUTN 22
35 PVCCR ROUTN 39
W_R-
44 SHUTDOWN ROUTN 40 2
W_R+
Q2301
46 FAULT ROUTP 41 1
42
ROUTP WOOFER
SPEAKER R
IC2303
SPEAKER AMP
SQUAWKER
3 RINP AVCC 48
SPEAKER L
PA1
5 LINP LOUTP 19
SQ_L-
26 PVCCL LOUTP 20 5
SQ_L+
27 PVCCL LOUTN 21 4
34 PVCCR LOUTN 22
35 PVCCR ROUTN 39
SQ_R-
44 40 2
SHUTDOWN ROUTN
SQ_R+
46 FAULT ROUTP 41 1
42
ROUTP SQUAWKER
SPEAKER R
TH-37/42PV600E, TH-37/42PX600B
PA-Board Block Diagram