Main Board (14 Of 15) Schematic Diagram - Panasonic TH-37LRT12U Service Manual

12.15. Main Board (14 of 15) Schematic Diagram

MAIN BOARD PCB-657-D (14/15)
!
D
+5V_SB +5V_SB
R562 R561
10K 0
C
TUNER_MODE
TUNER_MODE P(16)
DETECT_TUNER
DETECT_TUNER P(16)
TXD
TXD
RXD
RXD
SCL_3V3
SCL_3V3
SDA_3V3
SDA_3V3
SIFAIN0
SIFAIN0
Tuner_CVBS_IN
Tuner_CVBS_IN P(3,6)
B
DTV_AUDIO_R
DTV_AUDIO_R P(3,6)
DTV_AUDIO_L
DTV_AUDIO_L P(3,6)
DTV_IR
DTV_IR
DTV_KEY_CH+
DTV_KEY_CH+ P(3,10)
DTV_KEY_CH-
DTV_KEY_CH- P(3,10)
DTV_SV-Y_IN
DTV_SV-Y_IN
DTV_SV-C_IN
DTV_SV-C_IN
RS232_RX
RS232_RX
RS232_TX
RS232_TX
RS232_DETECT
RS232_DETECT P(7,10)
A
TH-32/37LRT12
Main Board (14 of 15) Schematic Diagram
5
A+D Tuner Socket
TUNER_5V F_5V
FB50 FB51
BEAD NC/BEAD
P_12V
Z73 ZMM55C6V8 Z71 SD12
1 2 2 1
C495 C493
0.1uF 0.1uF
GND_AV
C491 C492
CON35
2 1 1 2
100uF/16V 220uF/35V
TP188
1 1 32
1 1 32
TP189 SCL_3V3_AOV
1 2 31
1 2 31
TP190 SDA_3V3_AOV TX_AOV
1 3 30
1 3 30
TP191 RX_AOV
1 4 29
1 4 29
TP192 SIFAIN0_AOV
1 5 28
1 5 28
TP193 DTV_IR_AOV
1 6 27
1 6 27
TP194 Tuner_CVBS_IN_AOV
1 7 26
1 7 26
TP195 1 8 25 DTV_DETECT_AOV
1 8 25
TP196 DTV_KEY_CH-_AOV
1 9 24
1 9 24
TP197 DTV_KEY_CH+_AOV
1 10 23
1 10 23
TP198 DETECTTU_AOV
1 11 22
1 11 22
TP199 1 12 21
1 12 21
TP200 DTV_AUDIO_R_AOV
1 13 20
1 13 20
TP201 DTV_SV-Y_IN_AOV
1 14 19
1 14 19
TP202 DTV_AUDIO_L_AOV
1 15 18
1 15 18
TP203 1 16 17 DTV_SV-C_IN_AOV
1 16 17
R519 R520 32PIN_SOCKET
47K 47K
GND_AV
GND_AV
A+D_TUNER
P(10,16)
P(10,16)
P(5,7,10,16)
P(5,7,10,16)
P(3,7)
P(3,10)
3V3_SB 3V3_SB
P(3,6)
P(3,6)
+5V_SB
R605 R604 U44
P(10)
16
P(10)
VCC
NC/4.7K 4.7K
RS232_TX
12
1Y0
14 13
1Y1 1Z
TUNER_TX
15
1Y2
11
1Y3
RS232_RX
1
2Y0
5 3
2Y1 2Z
TUNER_RX
2
2Y2
4
2Y3
DETECTTU_AOV
10
S0
RS232_DETECT
9 7
S1
VEE
6 8
IE GND
74HC4052_1
TUNER RS232 N.C
S0(Pin11) 0 0 1
RS232_DET 1 0 0
4
+5V_SB
R571 R555 0
10K DTV_IR DTV_IR_AOV
GND_AV
Z51
1
1
TP219
1
1
TP218 ZMM55C6V8
1
1
TP217 GND_AV
1
1
TP216
1
1
TP215
1
1
TP214
1
1
1 TP213
1
TP212
1
1
TP211 R557 0
1
1
TP210
1
1
1 TP209 DTV_KEY_CH+ DTV_KEY_CH+_AOV
1
TP208
1
1
TP207
1
1
TP206 Z54
1
1
1 TP205
1
TP204
ZMM55C6V8
R521 R522 GND_AV
75 75
R559 0
GND_AV DTV_SV-Y_IN DTV_SV-Y_IN_AOV
Z55
ZMM55C6V8
GND_AV
R550 0
Tuner_CVBS_IN Tuner_CVBS_IN_AOV
3V3_SB
Z60
R577 R581
4.7K 4.7K ZMM55C6V8
GND_AV
TXD
R547 0
SCL_3V3 SCL_3V3_AOV
RXD
Z57
ZMM55C6V8
GND_AV
S1 S0 OUTPUT
0 0 0
0 1 1
1 0 2
1 1 3
3
53
TH-32LRT12U-A
R556 0
R564 0
TUNER_MODE DTV_DETECT_AOV DETECT_TUNER DETECTTU_AOV
Z52 Z70
ZMM55C6V8 ZMM55C6V8
GND_AV GND_AV
R558 0 R552 0
DTV_KEY_CH- DTV_KEY_CH-_AOV DTV_AUDIO_L DTV_AUDIO_L_AOV
Z53 Z62
ZMM55C6V8 ZMM55C6V8
GND_AV GND_AV
R560 0 R553 0
DTV_SV-C_IN DTV_SV-C_IN_AOV TUNER_TX TX_AOV
Z56 Z63
ZMM55C6V8 ZMM55C6V8
GND_AV GND_AV
R551 0 R554 0
DTV_AUDIO_R DTV_AUDIO_R_AOV TUNER_RX RX_AOV
Z61 Z64
ZMM55C6V8 ZMM55C6V8
GND_AV GND_AV
R548 0 R549 0
SDA_3V3 SDA_3V3_AOV SIFAIN0 SIFAIN0_AOV
Z58 Z59
ZMM55C6V8 ZMM55C6V8
GND_AV GND_AV
TH-32/37LRT12
Main Board (14 of 15) Schematic Diagram
2 1
* TH-37LRT12U/M/A