Panasonic TX-37LZ70P / TX-R37LZ70 Service Manual ▷ View online
Wiring diagram
AP-
B
O
A
R
D
AP
6
A
P3
AP
4
A
P1
2
PSU
S
-BO
A
R
D
S1
H-
BO
AR
D
H4
A
H6
H2
JK
300
1
H
51
AV
1
AV
2
JK
200
2
JK
300
5
H3
A
DG
-B
OA
RD
D
G
25
D
G
28
DG1
HDMI1
DG2
DG6
LCD P
ANEL
G-
BO
AR
D
G51
JK
370
0
V
-BO
A
RD
V
1
YP
BP
R, A
U
DIO
IN
PC
IN
A
U
D
IO OUT
SER
VIC
E
A
V3
JK
450
1
JK
450
0
HDMI2
D
G
27
H
12
SP
KE
Y
AP
1
A
P8
AP
2
A
P1
1
JK
300
2
B
JK
300
3B
R-
BO
AR
D
R2
V2
D
G
52
GS-BOARD
GS8
JK
390
0
SD
SLOT
DG2
9
SER
VIC
E
D
G
33
SER
VIC
E
TU
3200
17
Video & Stereo Audio Block Diagram
AV1 21PIN SC
A
R
T
AV1_V
20
AV1_VOUT
19
AV1_RED
15
AV1_GREEN
11
AV1_BLUE
7
AV1_L
6
AV1_LOUT
3
AV1_R
2
AV1_ROUT
1
JK
300
2
B
AV2 21PIN SC
A
R
T
AV2_V
20
AV2_VOUT
19
AV2_C
15
AV2 GREEN
11
AV2 BLUE
7
AV2_L
6
AV2_LOUT
3
AV2_R
2
AV2_ROUT
1
JK
300
3B
Y
PB
PR
L
R
IC3001
VIDEO SWITCH
77
AV1_GREEN
MAIN_PR_OUT
38
MAIN_PB_OUT
39
79
AV1_RED
81
AV1_BLUE
51
AV3_GREEN
55
AV3_BLUE
63
YPBPR_
Y
65
YPBPR_
P
B
67
YPBPR
_PR
PC_R
75
PC_G
71
12
AV2_C
8,10
AV2_V
MAIN_RF_CVBS
91
53
AV3_RED/C
1
AV1_V
33
AV1_VO
31
AV2_VO
PC_B
73
MAIN_Y_OUT
40
YPBPR_Y
YPBPR_PB
YPBPR_PR
JK
300
5
YPBPR, AUDIO IN
IC3101
AUDIO SWITCH
PC_RI
N
11
TV_R
42
AV1_
R
17
PC_L
IN
10
TV_L
41
PC_LIN
PC_RIN
AV1_L
O
23
AV1_L
16
AV2_
RO
26
AV2_
R
15
AV2_L
O
25
AV2_L
14
AV1_
RO
24
JK3001
2 3
1
PC
MAIN_RGB_CVBS_OUT
44
H6
3
5
7
10
14
16
14
16
62
60
58
H-BOARD
AV_R
33
AV_L
32
IC2106
AUDIO
PROCESSOR
95
AV4_
V
97
AV4_
Y
AUDIOOUT_R
64
66
68
72
70
DT
V_
SDIN
24
DTV_LRCK
18
DTV2_
S
DIN
23
HDMI_B
C
LK
27
DTV_BCLK
19
HDMI_
SDIN
22
HDMI_LR
CK
26
SPDIF
_IN
39
74
AUXOUTL2
75
AUXOUTR2
79
AV_R
78
AV_L
TUNER
21 10
99
AV4_C
VIDEO
_O
U
T
Q201
7
Q201
6
SIF
_O
U
T
SIF
_IN
1
8
JK2002
L
R
AUDIO OUT
IC2011
AUDIO
AMPLIFIER
7
6
1
2
Q201
5
Q202
1
AUDIOOUT_L
G51
1
3
5
13
15
7
11
H51
9
7
17
10
8
15
19
IC2012
HP
AMPLIFIER
1
7
3
5
58
HPOUTR1
57
HPOUTL1
HP_LOUT
HP_ROUT
7
AV4_R
6
AV4_L
45
SQ
_R-
44
SQ
_R+
43
SQ
_L
-
42
SQ
_L
+
IC2301
AUDIO
AMPLIFIER
8
16
18
6
31
36
43
24
H12
1
2
3
4
R
L
V
L
R
Y
C
C
JK3700
AV4_R
AV4_L
AV4_V
AV4_Y
AV4_C
HP_LOUT
HP_ROUT
G-BOARD
DG6
3
5
7
10
16
62
60
58
64
66
68
72
70
14
MAIN_Y_OUT
MAIN_PB_OUT
MAIN_PR_OUT
MAIN_PR_OUT
MAIN_RGB_CVBS_OUT
DTV_BCLK
DTV_SDIN
DTV_LRCK
DTV2_SDIN
HDMI_BCLK
HDMI_SDIN
HDMI_LRCK
SPDIF_IN
MAIN_Y/CVBS/G
MAIN_PB/C/B
MAIN_PR/R
RGB_CVBS
MAIN_PB/C/B
MAIN_PR/R
RGB_CVBS
DTV_BCKL
DTV_SDIN
DTV_LRCK
DTV2_SDIN
HDMI_BCLK
HDMI_SDIN
HDMI_LRCK
SPDIF_IN
DTV_SDIN
DTV_LRCK
DTV2_SDIN
HDMI_BCLK
HDMI_SDIN
HDMI_LRCK
SPDIF_IN
IC4510
ADV7493BBSTZ
99
Y_IN
78
PB/C
94
PR
VI1P
2-
VI
1P
9,VI
1P
12-
V
I1P
19,V
I1P
22-
VI1
P
29
CLK,CLKOA,
VS
YNC,H
S
Y
NC,ENB
IC8001-PeksLite2
MN2WS0039A
A17-A23,C17-C22
E17-E20,B17-B22
F17-F19,D20
E17-E20,B17-B22
F17-F19,D20
Q4516
Q4515
Q4514
Q4519
80
RGB_CVBS
7
HDMI_LRCK
3
HDMI_SDIN
8
HDMI_BCLK
HDMI 1
HDMI 2
JK4501
JK4500
112,113,115,116,
118,119,121,122
RXA_C
N
,C
P,0N,
0P,
1N,1
P,
2N,2
P
23
24
29
30
32
33
35
39
38
37
36
16
17
19
20
21
22
14
40
TD2
+
TCLK2
+
TD2
-
TCLK2
-
TC2
+
TB2
+
TC2
-
TB2
-
TA2
+
TD1
+
TA2
-
TD1
-
TCLK1
+
TC1
+
TCLK1
-
TC1
-
TB1
+
TB1
-
TA1
+
TA1
-
IC5105
FPGA
F
17
J3,G2,G3,T3,P4,R5,R2,N5,
P2,P3,N2,M4,N1,M5,L5,M2,
M3,L3,L4,K5,L2,G1,H1-H5
P2,P3,N2,M4,N1,M5,L5,M2,
M3,L3,L4,K5,L2,G1,H1-H5
DG25
TO LCD PANEL
13
16,17,18,24-33,
38-48,51-53,55,58
38-48,51-53,55,58
IC8002
DDR2-0
SDRAM
SDRAM
A15,A16,B15,B16,C15,C16,
D3,D5,D6,E4,E7-E11,E16,
F4,F5,F7-F10,F16
D3,D5,D6,E4,E7-E11,E16,
F4,F5,F7-F10,F16
O
S
D0-
O
SD
15
CLK,H,Y
S
,Y
M
DG-BOARD
A2-A9,B1,B3-B10,C1,C2,
C4-C10,D1,D2,E2,E3
C4-C10,D1,D2,E2,E3
AUXOUTR1
73
AUXOUTL1
72
IC8003
DDR2-1
SDRAM
SDRAM
Q3200
13 14
PC_H_IN
60
PC_V_IN
58
PC_H
42
PC_V
41
Q4517
97
SOY
PC_H
PC_H
PC_V
PC_V
63
PC_HS
62
PC_VS
SP_R SP_L
11
AM
76
AINL2
77
AINR2
DTV_BCKL
DTV_SDIN
DTV_LRCK
DTV2_SDIN
SPDIF_IN
DTV_SDIN
DTV_LRCK
DTV2_SDIN
SPDIF_IN
D13
A13
F14
D15
A10
A13
F14
D15
A10
THIS IS EXCHANGE UNIT
18
RXB_C
N
,C
P,0N,
0P,
1N,1
P,
2N,2
P
128,129,131,132,
134,135,137,138
IC5100
GC5P
MN84525
ROE
2-ROE9
,GOE
2-
GOE9
,BOE
2-BOE9
VS,H
S
,CL
K
R/G/BOUT
CLK,V
S
,HS
P5,U8,T7,U7,T9,U9,V9,V10,U10,
T10,V11,U11,T11,V12,U12,T12,
V13,U13,T13,U14,T14
T10,V11,U11,T11,V12,U12,T12,
V13,U13,T13,U14,T14
F
18
H17
H16
E15
E16
D15
D16
D17
C17
R18
R17
L
17
L
18
N15
N16
N17
N18
M17
M18
IC5003
FIFO
MEMORY
IC5010
EEPROM
FPGA (Cyclone)
JK3900
SD CARD slot
GS-BOARD
GS
8
1-12
DG52
SD CARD
IC4500
EEPROM
24
IC5000
8
EEPROM
IC4501
EEPROM
IC4504
EEPROM
IC4513
BUS REP
IC4514
BUS REP
MAIN5V
MAIN5V
FHD3.3V
MAIN3.3V
8
IC5600
DC/DC CONVER
17
DTV9V
Power Supply Block Diagram
SW2500
STBY_5V
5VS
S - BOARD
POWER SUPPLY
AP12
2
3
11
1
24V
IC7301
8
REGULATOR
5
IC7401
8
REGULATOR
5
IC7501
8
REGULATOR
5
IC7601
8
REGULATOR
5
IC7701
8
REGULATOR
5
R
E
LA
Y_5V
DC-DC ON/OFF
CONTROL
Q7205 Q7208
SOUND_Vcc
SUB_5V
MAIN_9V
Q7551
SOS
Q7206
Q7213
D7212
SUB_ON
Q7202 Q7203
AP3
2
3
17
18
21
18
21
22
23
+15V_S
DTV_9V
AP4
3
17
16
12
11
11
LCD_3.3V
LCD_3.3V
PANEL_12V
PANEL_12V
MAIN_9V
AP - BOARD
H3A
1,2
3
17
18
21
18
21
22
23
H4A
3
17
16
12
11
16
12
11
STB_5V
IC2008
7
Vin
REGULATOR
1
Vout
IC2010
1
Vin
REGULATOR
5
Vout
IC2013
4
Vin
REGULATOR
5
Vout
IC2107
7,5
Vin
REGULATOR
1
Vout
IC2303
3
Vin
REGULATOR
1
Vout
SUB5V
AUD3.3V
SUB5V
SIF3.3V
MAIN9V
5V
SUB3.3V
DVDD1.8V
SOUND15V
SOUND12V
DTV9V
BT30V
IC2011
8
AUD AMP
DTV9V
LCF
+15V_S
SOUND15V
26,27,32,35,40,41
1,21,22,23,44
AUD AMP
IC2301
SOUND15V
SOUND12V
IC2012
8
HP AMP
5V
IC3101
5
AUD SWITCH
DTV9V
14,21,31,40,51
4,53,59,68,71
AUD PROCESSOR
IC2106
6,25,
45,69
45,69
VIDEO SWITCH
IC3001
DTV9V
DVDD1.8V
SUB3.3V
H2
1
2
5
6
8
5
6
8
9
12
13
14
17
18
17
18
21
23
23
LCD3.3V
LCD3.3V
P12V
LCD3.3V
P12V
P12V
DTV9V
DTV9V
SUB5V
DTV9V
DTV9V
SUB5V
SUB5V
SUB5V
SUB5V
SUB3.3V
SUB3.3V
MAIN9V
STB5V
SUB3.3V
MAIN9V
STB5V
H - BOARD
TU3200
5,16,9
18
18
SUB5V
BT30V
DG2
1
2
5
6
8
9
12
13
14
17
18
17
18
21
23
23
IC5001
1 Vin
REGULATOR
5
Vout
IC5002
1,3
Vin
REGULATOR
5
Vout
IC5008
2 Vin
REGULATOR
4
Vout
IC5009
4
Vin
REGULATOR
5
Vout
SUB5V
PPL3.3V
FHD3.3V
DDR2.5V
HQ3.3V
1.5V
HQ3.3V
2.5V
IC5900
REGULATOR
2
Vout
IC4506
7
Vin
REGULATOR
1
Vout
IC4508
8
Vin
REGULATOR
1
Vout
IC5670
1
Vin
REGULATOR
5
Vout
IC4509
8
Vin
REGULATOR
1
Vout
DTV9V
FHD1.2V
SUB5V
3.3V
SUB3.3V
1.8V
SUB5V
STB3.3V
SUB3.3V
DVDD1.8V
LCD3.3V
HQ3.3V
LCF
1,8
Vin
STB5V
IC5012
1
Vin
REGULATOR
5
Vout
SUB5V
PPL2.5V
IC5671
IC RESET
IC8621
LVO
IC8622
LVO
SUB3.3V
IC8554
FLASH
29,43,53
SUB3.3V
2
STB5V
SUB3.3V
20
20
8
8
8,5
MAIN5V
MAIN3.3V
1
8,5
MAIN5V
MAIN3.3V
1
23
SUB3.3V
IC5601
DC/DC CONVER
IC5660
2
RESET IC
IC8004
CLK GEN
IC8601
EEPROM
IC1101
EEPROM
DTV9V
SUB3.3V
DTV9V
SUB3.3V
23
5,13,15
8
8
STB3.3V
SUB1.8V
3
IC5003
FIFO MEMORY
2,8,15,17,19,25,31,35,
36,42,48,55,61,62,66,
72,78,80,82,89,95,99,
100,106,112,119,125,
126
36,42,48,55,61,62,66,
72,78,80,82,89,95,99,
100,106,112,119,125,
126
FHD3.3V
IC1100
GENX4
31,50,74,78
81,85,94,108,
81,85,94,108,
STB3.3V
SUB5V
MAIN5V
Q5692
SUB3.3V
Q5693
MAIN3.3V
DG33
STB5V
1
IC8002
DDR2-0
A1,E1,M9,J9,R1,J1,A9,C1,
C3,C7,C9,E9,G1,G3,G7,G9
C3,C7,C9,E9,G1,G3,G7,G9
IC8003
DDR2-1
A1,E1,M9,J9,R1,J1, A9,C1,
C3,C7,C9,E9,G1,G3,G7,G9,
C3,C7,C9,E9,G1,G3,G7,G9,
IC5105
FPGA
K10,L9,H10,J9,U18,V17,V2,U1,
B18,A17,A2,B1,J5,J12
B18,A17,A2,B1,J5,J12
1.5V
1.8V_DDRI/F
1.8V_DDRI/F
IC5102
DDR L4,E4,D7,,L11,L7,D8,
E11,L8,H4,G4,K11,
E12,C8,C12,H11,K4,
C10,F11,F4,C3,J11,C7,
C5,J4,G11,E3,C4,C11
E12,C8,C12,H11,K4,
C10,F11,F4,C3,J11,C7,
C5,J4,G11,E3,C4,C11
DDR2.5V
IC4510
15,35,50,67
ADV7493BBSTZ
111,123,127,139
104,109,125,141
84,88
DVDDIO_3.3V
AVDD_3.3V
TVDD_3.3V
TVDD_3.3V
3.3V
1.8V
CVDD_1.8V
PVDD_1.8V
DVDD_1.8V
PVDD_1.8V
DVDD_1.8V
68,71,101
23,57,142
IC5100
K5,L5,P4,P5,R4,R5,V5,W5,E7,E8,D11,E11,
E12,D15,E15,E16,D19,D20,E19,E20,E23,
E24,M18,M19,N18,N19,F26,F27,J26,J27,
K26,K27,N26,N27,P26,P27,U26,U27,V26,
V27,AA26,AB26,AK26,AF18
E12,D15,E15,E16,D19,D20,E19,E20,E23,
E24,M18,M19,N18,N19,F26,F27,J26,J27,
K26,K27,N26,N27,P26,P27,U26,U27,V26,
V27,AA26,AB26,AK26,AF18
GC5P
FHD3.3V
DDR2.5V
AC4,AG5,AG14,AF6,V12,V13,W12,W13,
AA1,AA2,AB2-AB5,AG6,AG7,AF7,AF10,
AF11,AG10,AG11,AJ1
AA1,AA2,AB2-AB5,AG6,AG7,AF7,AF10,
AF11,AG10,AG11,AJ1
1.8V_DDRI/F
SUB3.3V
SUB1.2V
SUB1.8V
DG - BOARD
THIS IS EXCHANGE
UNIT
JK4500
18
JK4501
18
+5V
+5V
HDMI 2
HDMI 1
D4525
D4527
DG1
4
12
12
V1
4
2
2
STB3.3V
SUB5V
RM1001
LED RECEIVER
REMOTE CONTROL
R&G LED
D1001
Q1002
PC1001
PHOTO COUPLER
CATS -AI
Q1004
SUB5V
V - BOARD
SUB3.3V
DG25
1
2
3
4
4
P12V
P12V
P12V
P12V
TO LCD
PA
NEL
TO
INVE
RTER
+15V_S
+15V_S
+15V_S
DTV9V
DTV9V
SUB5V
SUB5V
SUB5V
MAIN9V
STB5V
LCD3.3V
LCD3.3V
P12V
LCD3.3V
P12V
P12V
SIF3.3V
12
29
AUD3.3V
3
PPL2.5V
AF19
D7209
D4532
IC4515
5
SUB5V
MAIN5V
3,8
IC4507
SUB5V
COMPARATOR
REGULATOR
1
Vin
5
Vout
DVDDIO3.3V
SUB1.8V
L8003
1.8V_DDRI/F
BT30V_SUPPLY
IC2610
Q2639
Q7214
SUB1.2V
12
MUTE SW
Q2033
DTV9V
D2033
STB5V
MAIN9V
Q2041 D2034
SERVICE
12
AP8
1
3
5VS
5VS
STBY_5V
AP11
1-9
AP1
1-5
AP2
1-5
S1
1
3
DG52
1
GS8
1
JK3900
4
SD CARD
GS - BOARD
IC2015
4
DTV9V
5
SUB5V
REGULATOR
IC5010
3,7,8,
FHD3.3V
MEMORY
IC5013
IC RESET
2
FHD3.3V
IC5901
2
Vin
REGULATOR
4
Vout
HQ3.3V
DDR2.5V
IC5902
4 Vin
REGULATOR
5
Vout
SUB5V
FHD3.3V
FHD3.3V
FPDA3.3V
LCF
FPDA3.3V
E1,G7,P1,M7,E9,E12,A5,A14,P8,
P11,V5,V14
P11,V5,V14
2.5V
E18,M12,H12,P18
M12-M14,N12-N14,P12-P14,R15,T16-T19,
U17-U19,V18,V19,W18,W19,B1,C2,D3,E4,
F5,AE26,AE27,AF26,AF27,AG27,AH28,
AJ29,AK30
U17-U19,V18,V19,W18,W19,B1,C2,D3,E4,
F5,AE26,AE27,AF26,AF27,AG27,AH28,
AJ29,AK30
FHD1.2V
DG29
FHD3.3V
1
SERVICE
R - BOARD
R2
1
V2
1
STB3.3V
IC8001-PeksLite2
MN2WS0039A
PPL3.3V
W15
19
SDA0B
HDMI_INT2
Control Block Diagram
AV1 21PIN SC
A
R
T
AV1_FB
16
AV1_SLOW
8
JK
300
2
B
AV2 21PIN SC
A
R
T
AV2_QLINK
10
AV2_SLOW
8
JK
300
3B
JK3001
14
13
PC
JK2002
R
L
AUDIO OUT
PC_H_IN
PC_V_IN
Q2002
Q2003
MONITOROUT_MUTE
IC3001
VIDEO SWITCH
46,74
42
48
84
49
83
85
4
58
41
60
80
PC_V
AV2_SLOW
FB
PC_H
AV1_FB
AV2_FB
PC_H_IN
PC_V_IN
SDA0B_5V
SCL0B_5V
SCL0B_5V
AV1_SLOW
VIDEO_STATUS
IC3101
AUDIO SWITCH
35
36
36
SDA0B_5V
SCL0B_5V
IC2106
AUDIO
PROCESSOR
50
15
16
17
17
SCL0B
AUDIO_MUTE
SDA0B
AUDIO_XRST
Q2102
Q2101
SOUND_SOS
MUTE
TV_SUB_ON_DELAY
TUNER
13
14
20
14
20
SCL0B_5V
SDA0B_5V
SDA0B_5V
AFC1
IC2301
AUDIO AMP
7
17
AMUTE
IC2012
HP AMP
2
AMUTE
AV1-2 OUT MUTE
Q2006
Q2005
MONITOROUT_MUTE
Q2040
Q2034
MUTE SW
Q2039
Q2031
D2028
AUDIO_MUTE
SP_MUTE
D2031
D2032
MONITOROUT_MUTE
AMUTE
Q2641
SDA0B_5V
SCL0B
Q2640
SCL0B_5V
H6
12
14
14
PC_V
FB
PC_H
49
TUNER_SUB_ON
30
28
SDA0B
SCL0B
32
AUDIO_MUTE
AUDIO_XRST
35
34
SP_MUTE
TV_SUB_ON_DELAY
38
SOS
41
39
AFC1
SOUND_SOS
AV2_QLINK
44
46
TUNER_MAIN_ON
AV1_QLINK
48
16
33
74
HDMI_INT2
54
KEY
55
PANEL_STBY_ON
79
VIDEO_STATUS
H - BOARD
H4A
1
6
8
SO
S
TUNER_
MAIN
_ON
TUNER_
SUB
_ON
14
15
KEY
PAN
E
L
_ST
B
Y
_O
N
AP4
1
6
8
14
15
SOS
Q7206
TV_SOS
DC-DC ON/OFF
CONTROL
Q7209 Q7208
AV1_QLINK
10
AV2_FB
16
Q2635
5
SOUND_SOS
Q2301
Q2003
D2637
SOS
TV
_S
O
S
TV
_M
A
IN_
ON
TV_S
UB_ON
KEY
S
CAN
PAN_
VCC
_ON
TV_MAIN_ON
SUB_ON
Q7201
TV_SUB_ON
Q7703
PAN_VCC_ON
AP - BOARD
AP6
1
R - BOARD
KEY
DG6
12
49
28
32
35
34
38
41
39
46
48
16
33
74
54
55
79
14
30
44
IC4510
ADV7493B
IC4504
EEPROM
IC4513
LEVEL
TRANSLATING
IC4514
LEVEL
TRANSLATING
IC4501
EEPROM
IC8001
PeaksLite2
IC8601
EEPROM
IC5105
FPGA
C1ZBZ0003668
DG1
V1
7
8
V - BOARD
5
QLINK
D1100
D1102
IC5000
EEPROM
IC5100
MN84525
GC5P
IC5102
DDR SDRAM
IC8003
DDR2-1 SDRAM
IC8002
DDR2-0 SDRAM
IC5671
RESET IC
IC1100
MICROPROCESOR
1
IC8004
CLK GEN
RM1001
OUT
REMOTE
D1001
Q1006
Q1004
Q1002
Q1007
PC1001
4
CATS
R_LED_ON
G_LED_ON
REMOTE
AI_SENSOR
DG - BOARD
THIS IS EXCHANGE UNIT
IC8554
NOR FLASH
IC5660
RESET IC
Q2004
Q2007
JK4501
HDMI1
JK4500
HDMI2
IC4500
EEPROM
IC1101
EEPROM
LCD PANEL
DG33
4
6
7
10
9
11
SERV
ICE
SCL
SDA
SCL3
SDA3
SCL1
SDA1
SCL2
SDA2
5
8
AP12
13
TV_SUB_ON
POWER S
U
PPLY
JK3900
SD SLOT
GS- BOARD
DG52
GS
8
IC5010
EEPROM
IC5003
FIFO MEMORY
DG28
2
SERV
ICE
DG27
SERVICE
V2
3
R2
3
24V_DET
20
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