Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic LCD TH-37PE30B Viewing SGML_VIEW_DATA ALL TH-37PE30B SVC b_pa
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PA DC/DC Audio
SW REG
IC7551 MAIN 12V IC2306
TO DG2 SQUAWKER AMP(R)
L7552 PA2
1 AVR 2
R7560 1 BT_30V
+
SP_R+
5 12V 4 C7552 L7582 11 AMP 16
D7582
R7582 SP_R-
Q7553 3 VREF 17
4
R7551 1 ERROR PWM 8 R7586
IC2401 IC2403 20
DET
COMPARATOR SOUND CONTROL ACTIVE
R7552 C7583
OSC 7 FLITER
TV POWER
CONTROL 2 START PROTECT TO DG6 PA6
3 1 PA3
LIN 400Hz SQUAWKER(R)
C7582
Q7582 L_IN 1 1 L AMP
BASS
L OUT 25 5 HPF 7 IC2305
4 OUT 5 BT+30V OUT 1
AGC SURROUND ADJ EQUALIZER TREBLE SQUAWKER AMP(L)
RIN
TONE
8
2
R_IN 3 2 R AMP R OUT 24
IC7502 IC7581 11 AMP 16
SP_L+
3
Q7581
SW REG SP_L-
BT+30V CONTROL BT+30V 17 4
TO PF10 PA10 +9V2(S) Q7501 30 31 26 4
L7505 +9V(M)
SQUAWER(L)
UNR_21V 1 1 AVR 2 20
SDA1
SCL1
SCL1
+
9V 34 TV_ON/OFF S_CLOCK1 13
UNR_21V C7506
2 SDA1
R7505
21 SUB_9V2 S_DATA1 14
UNR_14V 5
23 SUB_9V2
IIC_BUS
STB_5V 7 Q7502 R7506
IC2302 WOOFER(R)
2 MAIM_12V
AC_ON/OFF 9
+9V(M) IIC_BUS Q2303,Q2304,Q2308 WOOFER AMP(R)
CONTROL PA1
3 SUB_5V
SW REG MAIN_DEFEAT 20 SP_R+
IC7501 +9V1(S)
5 SUB_5V
POWER_OFF_DEFEAT 19 AUDIO
11 AMP 16
SP_R-
1
L7502 15 MAIN_9V
MUTE
IC2402 4
17 2
1 AVR 2 RESET 18
7 SUB_5V CONTROL ACTIVE 4
+
9V C7502 17 FLITER 20
STB_5V
19 SUB_5V 5
11 MAIN_4.2V 3 400Hz 1
SW REG Q2305,Q2306 5 LPF 7
IC7503 +5V(S)
13 MAIN_4.2V
Q2309,Q2311
MAIN_2.5V WOOFER(L)
1 AVR 2
L7508 25
SPEAKER
8
IC2301
27 MAIN_2.5V SPEAKER_MUTE 16 MUTE WOOFER AMP(L)
+
5V C7512
17 CONTROL
UNR_14V SP_L+
11 AMP 16
32 TV_ON SP_L-
TO P7 17
33 SOS PA7 4
36 AC_ON/OFF AUDIO_15V 1 20
AUDIO_15V 2
R7516
TO P5 PA5
Q7506
R7514 AUDIO+14V AUDIO_12V 7
Q7507 AUDIO_12V 8
AUDIO+14V
CONTROL STB_5V 4
SW REG
IC7504 +4.2V(M)
L7511
IIC_BUS CONNECTION(FOR FACTORY USED)
1 AVR 2 7 Vpp12V
+
5 4.2V C7517
5 STB_5V
IC2304 3 RXD
SW REG
IC7505 +2.5V(M)
AUDIO+9V 1 TXD
AVR PA12
L7514
1 3
TO D12
1 AVR 2
9V
+
5 2.5V C7522
R7519
RESET
Q7509 11 RESET
Q7510
+3.3V(M) IRQ
10 IRQ
+2.5V(M)
SDA3
CONTROL 9 S_DATA3
SCL3
8 S_CLOCK3
SDA2
7 S_DATA2
SCL2
6 S_CLOCK2
SDA1
5 S_DATA1
SCL1
4 S_CLOCK1
IIC_CONT
2 IIC_CONT
+3.3V(M) STB_5V
1 STB_5V
Q7543 STB5V Q7541 ◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo