Panasonic TX-37LZ80L / TX-R37LZ80 / TX-32LZ80L / TX-R32LZ80 Service Manual ▷ View online
Adjustment Method
Sub-Contrast/White Balance Adjustment
Instrument Name
Connect to
Remarks
1. Remote
controller
2. LCD WB meter (Minolta CA-210 or equivalent)
3. Comunication
3. Comunication
jig
4. Computer for external control
Correlation can be also taken by
CS-1000A or equivalent
CS-1000A or equivalent
Procedure Remarks
Subcontrast adjustment
1. Receive PAL colour bar (100% white) RF signal.
2. Enter “Contrast” adj. In SERVICE mode.
3. Start adjusting by using Yellow Key.
4. If the adjustment finished normally, the letter of Contrast will change from red
2. Enter “Contrast” adj. In SERVICE mode.
3. Start adjusting by using Yellow Key.
4. If the adjustment finished normally, the letter of Contrast will change from red
to black.
White Balance adjustment
1. Procedure basically performs checking using the production software and
make automatic adjustment using external computer.
2. It adjusts in the mode of: Colour balance Normal
Viewing Mode Dynamic
LZ80L RLZ80
WHITE Normal WHITE Normal
x: 0,2880
Viewing Mode Dynamic
LZ80L RLZ80
WHITE Normal WHITE Normal
x: 0,2880
± 0,010 x: 0,2850 ± 0,010
y: 0,3100
± 0,010 y: 0,3010 ± 0,010
GRAY Normal GRAY Normal
x: 0,2880
± 0,010 x: 0,2850 ± 0,010
y: 0,3100
± 0,010 y: 0,3010 ± 0,010
Let the panel standfor more than 3
hours at more than 20
hours at more than 20
°C.
Basically perform adjustment in the
ambient environment of room
temperature more than 20
ambient environment of room
temperature more than 20
°C.
The aging time is more than20 min
at above room temperature.
Applied signal
100% full colour bar
0,7V p-p white peak
85% modulation
100% WHITE
50% GRAY
at above room temperature.
Applied signal
100% full colour bar
0,7V p-p white peak
85% modulation
100% WHITE
50% GRAY
17
Wiring diagram
A-
BO
AR
D
G-
BO
AR
D
G51
JK
370
0
AV
3
V-BO
A
RD
V1
M-
BOARD
M1
1
P-BO
A
RD
P7
LCD PANEL
AV
1
AV
2
A
10
KE
Y
A
51
JK
300
2
B
J
K
300
3
B
A1
A1
1
A7
P1
P3
P5
P2
M
A
IN
IN
SP
A6
A5
JK
300
1
PC
JK
450
1
JK
450
0
JK
470
0
JK
880
1
CN0
1
0
0
TU
2901
D
3015
Y
U
V,
A
UDIO IN,
A
U
DIO OUT
HDMI1
HDMI2
HDMI3
SD
SLOT
SER
VIC
E
J
K
3
1
00
A
DIGIT
A
L
A
UDIO
OUT
P6
C
N
501
CN1
18
AV1 21PIN SCA
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 SCA
R
T
AV2_V
20
AV2_VOUT
19
AV2_RED/C
15
AV2_GREEN
11
AV2_BLUE
7
AV2_L
6
AV2_LOUT
3
AV2_R
2
AV2_ROUT
1
JK
300
3B
Video & Stereo Audio Block Diagram
G51
1
3
5
13
15
7
11
A51
1
3
10
7
5
12
14
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
Y
PB
PR
L
R
YPBPR_Y
YPBPR_PB
YPBPR_PR
JK
310
0A
YPBPR, AUDIO /
IN,O
UT/
PC_LIN
PC_RIN
L
R
RCA_AUDIOOUT_L
RCA_AUDIOOUT_R
1
2
3
3
JK
300
1
PC
PC_R
PC_G
PC_B
IC3001
[C1AB00002855]
AUDIO VIDEO SWITCH
89
AV1_GREEN
MAIN_Y/CVBS
31
AUDIOOUT_L
58
91
AV1_RED
87
AV1_BLUE
93
YPBPR_PB
97
YPBPR_PR
69
FRONT_
AV
_R
IN
68
FRONT_
AV
_L
IN
81
FRONT_
AV
_V
AV_R
50
AV_L
49
63
AV1_R
62
AV1_L
RGB _CVBS
46
95
YPBPR_Y
79
AV1_V
44
AV1_VO
56
AV1_LO
TV_R
61
AUDIOOUT_R
59
MAIN_PR/C
35
MAIN_PB
33
83
FRONT_
AV
S
_
Y
85,8
8
FRONT_
AV
S
_C
TV_L
60
55
AV1_RO
13
AV2_GREEN
11,21
AV2_RED_C
15
AV2_BLUE
65
AV2_R
64
AV2_L
19,23
AV2_V_Y
38
AV2_VO
54
AV2_LO
53
AV2_RO
71
PC_RIN
52
RCA_AUDIOOUT_L
70
PC_LIN
51
RCA_AUDIOOUT_R
1
PC_G
99
PC_B
3
PC_R
FRONT_AV_RIN
FRONT_AV_LIN
FRONT_AV_V
FRONT_AVS_Y
FRONT_AVS_C
IC2012
[C1BB00000947]
HP AMP
1
7
3 5
HP_LOUT
HP_ROUT
IC2106
[C1AB00002909]
AUDIO PROCESSOR
72
AUDIOOUT_L
73
AUDIOOUT_R
74
TV L
75
TV_R
58
HPOUT1R
57
HPOUT1L
45
SQ
_R-
44
SQ
_R+
43
SQ
_L
-
42
SQ
_L
+
79
AV_R
78
AV_L
IC4510
[C1AB00002901]
71
MAIN_Y/CVBS
73
MAIN_PB
72
MAIN_PR/C
78
RGB_CVBS
69
SOY
A-BOARD
[EXCHANGE UNIT]
IC2301
[C1AB00002875]
AUDIO AMPLIFIER
7
14
12
5
30
25
21
34
A6
1,2
3,4
5,6
7,8
SP_L
SP_R
P6
1,2
3,4
5,
6
7,8
P3
4
3
2
1
P-BOARD
SP_L
-
SP_L
+
SP_R+
SP_R-
HDMI_B
C
LK
35
HDMI_LRC
K
36
HDMI_
SP
DIF
25
HDMI_
SDIN
22
8
HDMI_SD
IN
4
HDMI_S
P
DIF
6
HDMI_BCLK
7
HDMI_LRC
K
38
SPDIF
_O
UT
D3015
DIGITAL
AUDIO OUT
Q4516
Q4515
Q4514
Q4519
Q4517
IC8001-PeksLite2
MN2WS0047
IC4200
[C1AB00002886]
MIHO
RIN2-RIN9
,GIN1-GIN9,
BIN
2-BIN9
VS,H
S
,CL
K
LOS
D
0-
LOS
D
1
5
O-HSO,CLK0,
VSI,
H
SI
,CL
K
I
A8,C9,G6,F2,E1,F3,A9,B9,B8,C8,A7,C6,C5,A4,
D2,D1,B4,C4,A3,B3,A2,B1,C2,C1,E3,E2,B10,C10,
B7,C7,A6,B6,A5,B5
D2,D1,B4,C4,A3,B3,A2,B1,C2,C1,E3,E2,B10,C10,
B7,C7,A6,B6,A5,B5
DTV_SDIN
DTV_LRCK
DTV2_BCLK
DTV2_BCLK
DTV2_SDIN
F14
B13
D15
A13
A10
B13
D15
A13
A10
DTV_LRCK
18
DTV_SDIN
24
DTV2_SDIN
23
DTV_BCLK
19
IECOUT0
27
IECOUT0
14,15,20-31,34-45,
48-50,53-55,59,60
48-50,53-55,59,60
VI1P0,VI1P2-VI1P19,VI1P21-VI1P29,VI1CLK,CLK0A,VS,HS,VI1ENB,VI1CLK2
C14,E15,B14,A14,B15,A15,
E11,E10,F10,E9,F9,E8,F8,
E7,F7,D6,D5,F5,E4,D3,F4
E11,E10,F10,E9,F9,E8,F8,
E7,F7,D6,D5,F5,E4,D3,F4
A23,C22,E20,E18,B18,F16,F17,A18,
C17,B17,A17,E17,B20,E19,A20,C19,
F18,B19,A19,C18,B22,D20,A22,C21,
F19,B21,A21,C20
C17,B17,A17,E17,B20,E19,A20,C19,
F18,B19,A19,C18,B22,D20,A22,C21,
F19,B21,A21,C20
3-6,9-13,192,194,195,199,
203,206-212
203,206-212
53,54,57-63,65,67-70,72-76,
81-84,87-90,94
81-84,87-90,94
23
24
30
32
33
35
39
38
37
36
16
17
19
20
21
22
14
40
130 131 143 144 145 146 150
154
153
152
151
121 122 126 127 128 129
120
155
119
TD2
+
TCLK2
+
TD2
-
TCLK2
-
TC2
+
TB2
+
TC2
-
TB2
-
TA2
+
TD1
+
TA2
-
TD1
-
TCLK1
+
TC1
+
TCLK1
-
TC1
-
TB1
+
TB1
-
TA1
+
TA1
-
A5
13
29
TU2901
TUNE
R
TO LCD PANEL
JK4501
HD
MI
1
JK4500
HD
MI
2
JK4700
HD
MI
3
RXB_2P,2N,1P,1N,0P,0N,CP,CN
RXC_2P,2N,1P,1N,0P,0N,CP,CN
RXA_2P,2N,1P,1N,0P,0N,CP,CN
114,115,117,118,
120,121,123,124
120,121,123,124
130,131,133,134,
136,137,139,140
136,137,139,140
95,96,98,99,101,
102,104,105
102,104,105
(1,3,4,6,7,9,10,12)
(1,3,4,6,7,9,10,12)
(1,3,4,6,7,9,10,12)
SD
SLOT
JK8801
DATA
SD CARD I/F
AUXIN2R
77
SIF_IN1
8
AUXIN2L
76
21
10
11
SIF_OUT
AUDIO_OUT
VIDEO_OUT
MAIN_RF_CVBS
5
Q2001
AM
AUDIO IF
43
AV1_FEED_B
37
AV2_FEED_B
19
Power Supply Block Diagram
P1
1
2
MAINS IN
F7001
LF7001
Line
Filter
3
2
1
4
LF7002
Line
Filter
3
2
1
4
~
D7001
~
-
+
6
8
T7000
9
D7007 D7010
IC7000
5
7,8
4
2
MAINS PS
CONTROL
3
Q7000
D7008
D7013
1
PC7000
IC7001
P5
3
1
1
TO I
N
V
5VS
REG
PHOTO
COUPLER
CF7000
RL7001
DTV12V
RL7030
~
D7003
~
-
+
STB_5V
6
3
T7001
11
IC7002
7
5
MAINS PS
CONTROL
Q7005
IC7003
5
4
MAINS PS
CONTROL
1
Q7006
2
PC7001
PHOTO
COUPLER
DTV12V
IC7005
REG
4
6
2,11
T7002
1
8,9
7
10
12
33V
6V
12V
17V
BT-30V
Q7008
D7031
33V
IC7009
4
REGULATOR
5
12V
IC7050
2
REGULATOR
4
6V
PANEL 12V
12V
Q7009
Q7025
SOUND 17V
17V
Q7026
D7075
BT30V
SOS
D7062
D7060
D7066
D7069
17V
SUB_9V
PANEL_12V
SUB_5V
BT30V
SOUND_17V
SUB_5V
SUB_9V
SUB_6V
P7
1,2
5
12
,13
14
17
20
,21
22,23
S
O
UND_
1
7
V
BT_
3
0
V
S
UB_
5
V
S
UB_
5
V
S
UB_
9
V
DTV
1
2
V
P
ANE
L_
1
2V
P6
11
13
23
5VS
STB
_
5
V
S
UB_
6
V
P2
1
TO I
N
V
12V
A7
1,2
5
12
,13
14
17
20
,21
22,23
A6
11
13
23
S
O
UND1
7
V
BT3
0
V
S
UB5
V
S
UB5
V
S
UB9
V
DTV
1
2
V
PN
L12V
5VS
STB
5
V
S
UB6
V
19,20,35,36
AUD AMP
IC2301
SOUND17V
TU2901
5,16
3
TUNER5V
BT30V
SUB6V
TUNER5V
IC2902
4
Vin
REGULATOR
5
Vout
SUB5V
FHD3.3V
IC4201
2
Vcc
REGULATOR
4
Vout
SUB5V
DVDDIO3.3V
IC4511
7
Vin
REGULATOR
1
Vout
TVDD3.3V
SUB5V
AUD3.3V
IC2008
7
Vin
REGULATOR
1
Vout
P - BOARD
A - BOARD
EXCHANGE UNIT
SUB_M9V
5V
IC2013
4
Vin
REGULATOR
5
Vout
L5692
SUB9V
SUB_M9V
SUB3.3V
DVDD1.8V
IC4512
4
Vin
REGULATOR
5
Vout
IC4513
REGULATOR
Vdd
4
Vout
5
SUB3.3V
1.8V
IC2107
REGULATOR
Vin
7
Vout
1
SUB3.3V
DVDD1.8V
IC4202
REGULATOR
Vin
4
Vout
5
FHD3.3V
FHD1.2V
IC4203
8
FHD3.3V
14,21,31,40,51
4,53,59,68,71,12,29
AUD PROCESSOR
IC2106
DVDD1.8V
AUD3.3V
4,6,18,22,24,36,82,
86,90,92
86,90,92
AUDIO& VIDEO
SWITCH
IC3001
SUB5V
IC1101
EEPROM
8
STB3.3V
IC8601
EEPROM
8
SUB3.3V
IC4700
EEPROM
8
SUB_M5V
L5690
SUB5V
SUB_M5V
D4713
IC4514
DUAL BUS
SWITCH
8
STB5V
IC4515
DUAL BUS
SWITCH
8
STB5V
IC5660
2
RESET IC
DTV12V
L5691
SUB3.3V
SUB_M3.3V
IC1000
4,5
TEMP SENSOR
SUB_M3.3V
IC2012
8
5V
HP AMP
IC5600
DC-DC CONVERTER
12V 3.3V
17
DTV12V
23
SUB3.3V
IC5601
DC-DC CONVERTER
12V 1.2-1.8V
DTV12V
23
SUB1.8V
3
SUB1.2V
12
IC8004
5,13,15
CLOCK GEN
SUB3.3V
80,45,
SUB9V
V - BOARD
V1
3
8
10
STB
3
.3
V
STB
5
V
5VS
A1
3
8
10
STB
3
.3V
STB
5
V
5VS
IC4510
ADV7495ABSTZ-170
94,108,113,125,129,141
1,92,109,127
12,33,52
DVDDIO3.3V
TVDD3.3V
1.8V
CVDD1.8V
PVDD1.8V
AVDD1.8V
87,90
75,81,85
3,19,57
75,81,85
3,19,57
DVDD1.8V
IC7601
9
SUB5V
RESET IC
12
STB5V
10,11
STB3.3V
15
5VS
IC4200
8,30,32,37,38,41,42,43,79,86,93,97,106,
110,112,114,137,158,159,162,
166,170,177,183,190,197,204,214,216
110,112,114,137,158,159,162,
166,170,177,183,190,197,204,214,216
C1AB00002886
MIHO
116,123,125,132,134,140,147,149,156
2,16,25,28,34,46,47,50,52,71,96,108,
163,174,179,193,196
163,174,179,193,196
FHD1.2V
FHD3.3V
FL4206
VDDLVDS
SUB3.3V
SUB1.2V
SUB1.8V
IC8001-PeksLite2
MN2WS0047
SUB1.8V
L8003
1.8V_DDRI/F
A1,E1,M9,J9,R1,J1, A9,C1,
C3,C7,C9,E9,G1,G3,G7,G9
C3,C7,C9,E9,G1,G3,G7,G9
IC8002
DDR SDRAM
A1,E1,M9,J9,R1,J1, A9,C1,
C3,C7,C9,E9,G1,G3,G7,G9
C3,C7,C9,E9,G1,G3,G7,G9
1.8V_DDRI/F
1.8V_DDRI/F
IC8003
DDR SDRAM
IC8554
FLASH
29,43,53
SUB3.3V
IC1100
GENX5
24,39,62,64,68,
73,83,88
73,83,88
STB3.3V
MUTE SW
Q2063
DTV12V
STB5V
Q2065
PO
W
E
R D
E
T
DTV12V
SUB3.3V
SUB5V
FHD3.3V
JK4500
18
JK4501
18
+5V
+5V
HDMI 2
HDMI 1
JK4700
18
+5V
HDMI 3
M11
1
S
UB5
V
A11
1
S
UB5
V
JK8801
4
SUB3.3V
SD SLOT
A5
1
2
3
2
3
4
PNL12V
PNL12V
PNL12V
PNL12V
TO LCD
PA
NEL
CN0100
1
SERVICE
STB5V
AI
SN2551
M - BOARD
RM2501
LED RECEIVER
REMOTE CONTROL
R&G LED
D2501
Q2501
Q2502
SW2501
D3015
DIGITAL
AUDIO OUT
SUB3.3V
6
LOGIC IC
V-
V+
20
LF7003
Line
Filter
2
3
1
4
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