Panasonic TX-23LX60F / TX-23LX60P Service Manual ▷ View online
Adjustment Method
How to enter Service 1
•
Set the Bass to maximum position, set the Treble to minimum position then keep pressing the INDEX button on the
remote control and press the down button (-/v) on the TV set, this will place the TV set into the Service Mode 1.
remote control and press the down button (-/v) on the TV set, this will place the TV set into the Service Mode 1.
Key Command
•
Press the RED / GREEN buttons to step up / down through the functions.
•
Press the YELLOW / BLUE buttons to alter the function values, to alter White Rasters use +/- buttons
•
Press the OK button after each adjustment has been made to store the required values.
•
To exit the Service Mode, press the "N" button.
Keep adjusting sequence: DVCO, Sub-Contrast, other items.
Item
Setting indication
Note: All setting values are approximate
Settings / Special features
Sub-Contrast
Sub-Contrast
35
Receive a 80% white level Philips Pattern with correct
sound system (B/G, D/K) via aerial input. For Sub-
Contrast alignment press "Blue" button, wait until the
figure colour is changed from red to black colour.
Press the OK.
DVCO
DVCO
0
Receive a 80% white level Philips Pattern via aerial
input. For DVCO alignment press "Blue" button, wait
until the figure colour is changed from red to black
colour. Press the OK.
Highlight
Lowlight
For correct setting see White Balance Adjustment
Sub-Brightness
Sub-Brightness
0
Optimum setting.
White Balance Adjustment
Instrument
•
Remote Control
•
LCD WB meter (Minolta CA-210 or equivalent)
Condition
•
Switch on the TV Set. Enter Service1. Step down to Highlight line and keep the aging time more than 20 minutes.
Procedure
•
After aging time above set White Raster No.12 for Highlight and No.4 for Lowlight
Press the OK button
to store.
•
Put Minolta Sensor to the center of the LCD Panel with 25mm gap between Minolta Sensor and LCD Panel. Adjust "x"
and "y" values by changing Red and Blue values.
and "y" values by changing Red and Blue values.
•
Press OK button to store setting.
High
12
0305
0300
0313
Low
4
0018
0023
0003
High
12
Low
4
Item
Value
x
0,275
±0,005
Highlight
y
0,275
±0,005
x
0,275
±0,005
Lowlight
y
0,285
±0,005
9
AV2 R OUT
AV2 L OUT
AV2 L OUT
Video & Stereo Audio Block Diagram
H-BOARD
R
L
V
L
R
H1
4
8
6
1
3
3
H2
1
3
C
Y
Y
A12
8
6
1
3
3
4
A6
1
3
TUNER
B-BOARD
VIDEO OUT 17
B1
13
10
11
A1
13
10
11
SIF_OUT 14
AM 13
IC5003
HDMI RECEIVER
V
U
U
Y
JK3001
A5
4
3
2
2
1
L
R
IC251
IC252
4
4
16
13
13
16
13
13
AMP
AMP
5
3
IC270
1
7
A2
6
2
4
8
10
12
12
18
14
16
16
20
8Bit data
8Bit data
HD
MI
MI
PORT
1
HD
MI
MI
PORT
2
HDMI DAC L
G 8bit data bus
R 8bit data bus
IC1380
1
2
2
3
4
11
10
2
6
7
1
IC1381
6
23
HDMI DAC R
31
SIF+
SIFIN+
191
TUNER CVBS IN
TUNER CVBS IN
10
AM
IC3300
AUDIO MATRIX
SIF+
5
4
25
24
AV2 L OUT VCTP
AV1 L OUT VCTP
AV1 R OUT VCTP
AV2 R OUT VCTP
16
17
AM IRD YUV/DVI R IN
AM IRD YUV/DVI L IN
AM IRD YUV/DVI L IN
15
16
16
AV1 21 PIN SCART
12
13
AV1 R OUT
AV1 L OUT
L OUT
3
AV3 Y IN
AV3 C IN
AV3 CVBS IN
AV3 L IN
AV3 R IN
13
14
14
184
187
188
187
188
26
25
25
HP LEFT
HP RIGHT
27
28
SP L
SP R
174
PR IN
172
PB IN
173
Y IN
IRD AV2 RED/C IN
IRD AV2 BLUE IN
IRD AV2 GREEN IN
181
179
180
IC1501
R OUT
1
R IN
2
L IN
6
B IN
7
G I
N
N
11
R IN
15
CVB
S
IN
20
CVB
S
OUT
19
L -
L +
R -
R +
B 8bit data bus
73-66
65-58
57-50
15
14
14
190
12
12
11
178
177
176
10
9
189
MCLK
I2SCL
I2SDI
I2SCL
I2SDI
I2SWS
AV2 CVBS IN
AV2 L IN
AV2 R IN
AV1 RED IN
AV1 GREEN IN
AV1 BLUE IN
AV1 LEFT IN
AV1 RIGHT IN
AV1 CVBS IN
TX0-
TX0+
TX1-
TX1-
TX1+
TX2-
TX2+
TCLK-
TCLK+
TX3-
TX3+
21
23
24
22
23
24
22
194
195
39,40,43,44,
47,48,51,52
47,48,51,52
58,59,62,63
66,67,70,71
66,67,70,71
88
86
86
84
85
A-BOARD
141
140
138
137
140
138
137
135
134
132
132
131
129
128
129
128
TO LCD
PA
NEL
NEL
18
11
L
R
JK3002
YUV/DVI PO R IN
YUV/DVI PO L IN
10
144-140,137,136,133
132-129,126-123
119-116,113-110
119-116,113-110
D/A CONVERTER
OP AMP
Q3204
Q3205
Q3201
Q3202
Q123
Q122
VIDEO PROCESSOR
HP AMPLIFIER
AV2 21 PIN SCART
L OUT
3
R OUT
1
R IN
2
L IN
6
B IN
7
G I
N
N
11
R IN/C IN
15
CVB
S
IN
20
CVB
S
OUT
19
AV2 CVBS OUT
AV1 CVBS OUT
11
VSUPDIG 1.8V
VSUPLVDS 1.8V
VSUPFE 1.8V
VSUPLVDS 1.8V
VSUPFE 1.8V
3V3 PVCC
3V3 AVCC
3V3 AVCC
3V3 XTAL
A-BOARD
PANEL 5V
A7
8
10
22
12V
SIGNAL24V
V-BOARD
SN 1063
RM1050
VCC
3,3V STBY
A8
6
A2
26-30
A1
3 12
4
B-BOARD
TUNER
2
3
3
15
33V
TUN IRD5V
TUNER 5V
Power Supply Block Diagram
Q1701
PROTECTOR
Q873
A
U
D
12_16
IC885
18-21
11-14
LCF
LCF
LCF
IC866
6-7
LCF
LCF
IC5000
7
1
LCF
´S
Q875
2
IC862
1,8
IC881
2
Q881
LCF
´S
LCF
´S
VSUPDIG 3,3V
STBY 3,3V
STBY 1,8V
33V
5V
VSUPSIF 5V
5V
VSUPSIF 5V
TUNER 5V
HDMI3.3V
1V8 HD
3V3 PVCC
3V3 AVCC
3V3 XTAL
3V3 REG
3V3 XTAL
3V3 REG
8V
VSUPAU 8V
VSUPAU 8V
STBY 3,3V
STBY 3,3V
STBY 3,3V
B2
SERVICE
8V 9V AUD SW
IC251
AUD12-16
18,5
8V
IC5001
8
IC5002
8
IC1380
14,9,8,7
5V
IC1501
18
33
36
33
36
45,75
77
86,96,114
124
127,133,139,150,156
142
164
164
169,185
170
192
192
197
IC5003
5,6,7,13,16,19,26,76,89,109,
122,134
122,134
22,23,35,74,79,92,94,105,
114,128,139
114,128,139
37,55
38,42,46,50,57,61,65,69
98
99
99
3V3 HD
1V8 HD
3V3 REG
5V
VSUPAU 8V
VSUPSIF 5V
VSUPDIG 3,3V
VSUPDRI 3,3V
VSUPCOM 3,3V
VSUPIO1 3,3V
VSUPDIG 1,8V
VSUPLVDS 3,3V
VSUPLVDS 1,8V
VSUPLVDS 1,8V
VSUPDAC 3,3V
VSUPFE 1,8V
VSUPFE 3,3V
VSUPFE 3,3V
VSUPVO 3,3V
VSUPIO3 3,3V
5V
PANEL 5V
1
REG
B1
3 12
4
V2
6
1
REG
REG
IC3850
1
2
REG
3V3 HD
5
REG
REG
VSUPDRI 3,3V
VSUPCOM 3,3V
VSUPCOM 3,3V
VSUPIO1 3,3V
VSUPIO3 3,3V
VSUPVO 3,3V
VSUPFE 3,3V
VSUPDAC 3,3V
VSUPLVDS 3,3V
VSUPIO3 3,3V
VSUPVO 3,3V
VSUPFE 3,3V
VSUPDAC 3,3V
VSUPLVDS 3,3V
HDMI RECEIVER
VIDEO PROCESSOR
EDID EPROM
EDID EPROM
DAC
AUD12-16
AUDIO AMP
IC252
18,5
AUDIO AMP
IC270
8
HP AMP
IC1381
8
8V
OP AMP
IC1220
16
SWITCH
IC1120
8
EPROM
IC1500
2
RESET
IC3300
3
AUD MATRIX
D5000
D5003
5V
5V MIXED P0
5V MIXED P1
5V MIXED P0
5V MIXED P1
P2
8
10
22
P1
P3
LCD PANEL
K-BOARD
F800
K3
3
1
1
K1
1
4
4
1-4
LINE
FILTER
FILTER
L800
6 1
12
7
-
D801
T801
IC800
7
7 9
5
3
D
851
4
1
1 3
1
4
4
P-BOARD
D
850
15,16
11
LINE
FILTER
FILTER
LF802
LF800
IC 850
SW 800
MAIN IN
+
~
~
RL850
PC801
PC802
MAIN PS CONTROL
24V
LINE
FILTER
FILTER
LF801
D8
0
0
2
D8
0
0
4
8
D
3816
D
3
815
2
Q850
D8
0
0
0
12-14
SIGNAL24V
12V
IRD24V
20
20
21
21
IRD24V
8V
8V 9V AUD SW
AUD12_16
12
AUDIO
12-16V
12-16V
HDMI_
SMUT
E_I
NHIBIT
NHIBIT
HDMI_A
UDIO_
MUTE
SDA_P1
SCL_P1
SDA_P0
Control Block Diagram
TUNER
SDA3,3V
A1
7
33V
6
5V
B1
7
B - BOARD
6
SCL3,3V
9
9
11
SDA_TUNER
A8
4
RM1050
REMOTE
CONTROL
ROUT
BATS
V - BOARD
D1051
SN1063
V2
4
Q1063
Q1065
STBY_LED
1
1
IR
A7
PC801
B3PAA0000363
KEYSCAN
P - BOARD
P2
NOT_STBY
23
23
LOCAL KEYS SWITCHING
MATRIX
Q851
POWER SUPPLY
LCD PANEL
A4
3
5
PWM_OUT
IC1501
VCT69XYP
VIDEO PROCESSOR
2
HDMI_5V_DET
1
IR
3
PANEL ON
83
SCL3,3V
Q1100
Q1101
LEVEL
SHIFTER
A - BOARD
3
3
AV_LINK_IN
201
A10
KEY CONTROL
K2
3
3
INV_OFF
AV_LINK_OUT
200
47
HDVS
48
HDEN
49
HCLK
84
SDA3,3V
87
HDMI_CEC_OUT
88
HDMI_CEC_IN
89
NOT_STBY
90
INV_PSU_ON
91
INVERTER_OFF
92
HDMI_INT
115
HDMI_RST
116
HDMI_SMUTE_INHIBIT
159
BATS_OFF
AV1_SLOW
161
KEYSCAN
162
HDMI_HPD_P0
165
HDMI_HPD_P1
166
BACKLIGHT_PWM
167
SERVICE
168
HDHS
171
BUS_REQUEST
204
STBY_LED
208
7
PROTECTION
AV1 21 PIN SCART
8
AV1_SL
O
W
16
FBL1
HDMI2
13
CEC
16
SDA_P1
15
SCL
_P1
18
+
5V_HDMI_
P1
HDMI1
13
CEC
16
SDA_P0
15
SCL
_P0
18
+
5V_HDMI_
P0
AV2 21 PIN SCART
8
AV2 SLOW
16
FBL2
IC5003
SII9023CTU
HDMI RECEIVER
2
HDHS
1
HDEN
3
HDVS
30
SCL3,3V_P1
27
SDA3,3V
28
SCL3,3V
29
SDA3,3V_P1
31
SDA3,3V_P0
32
SCL3,3V_P0
HDMI_5V_DET_P1
33
HDMI_5V_DET_P0
34
MUTE_OUT
77
XTAL_OUT
96
XTAL_IN
97
HDMI_RST
102
HDMI_SCDET
103
HDMI_INT
104
Q1212
IR
IC5002
C3EBFC000037
6
SCL_P1
5
SDA_P1
EDID_WP_DISABLE
7
SCL_P0
CEC
CEC_3,3V
Q5005
HDMI_HPD_P1
IC5001
C3EBFC000037
6
SCL_P0
5
SDA_P0
EDID_WP_DISABLE
7
HPDT_5V_P1
Q5004
HDMI_5V_DET_P1
+5V_HDMI_P1
Q5003
SDA_3,3V_P1
SDA_P1
SCL_3,3V_P1
SCL_P1
Q5000
SDA_3,3V_P0
SDA_P0
SCL_3,3V_P0
SCL_P0
Q5002
HDMI_HPD_P0
HPDT_5V_P0
Q5001
HDMI_5V_DET_P0
+5V_HDMI_P0
HDEN
HDHS
HDVS
SDA3,3V
SCL3,3V
SDA3,3V_P1
SCL3,3V_P1
SDA3,3V_P0
SCL3,3V_P0
D5032
D5033
HDMI_5V_DET
HDMI_5V_DET_P1
HDMI_5V_DET_P0
MUTE_OUT
HDMI_RST
X5000
HDMI_SCDET
HDMI_INT
Q5008
Q5007
HDMI mute
Q5011
Q5012
EDID_WP_DISABLE
HDMI_SCDET
HDMI_AUDIO_MUTE
HDMI_MUTE
MUTE_OUT
HDMI_5V_DET
Q1701
LCD PANEL 5V
PROTECTION
Q1700
HDVS
HDEN
HCLK
SDA3,3V
SCL3,3V
SDA3,3V
SCL3,3V
8
8
10
SCL_TUNER
SDA_TUNER
SCL_TUNER
Q952
INV_OFF
Q1217
NOT_STBY
INV_PSU_ON
HDMI_INT
HDMI_RST
HDMI_SMUTE_INHIBIT
Q1380
STBY_LED
BUS_REQUEST
AV_LINK_IN
AV_LINK_OUT
HDHS
SERVICE
BACKLIGHT_PWM
HDMI_HPD_P1
HDMI_HPD_P0
KEYSCAN
AV1_SLOW
AV1_FBL
Q1213
5
5
BUS_REQUEST
BUS_REQUEST
BACKLIGHT_PWM
PWM_OUT
EDID_WP_DISABLE
IC1220
74HC4053D
ANALOG
MULTIPLEXER
1
SCL3,3V
12
EEPROM_SDA
10,11
SERVICE
5
AV2_SCL
9
AV1_IS_QLINK
13
AV1_SDA
15
AV1_SCL
SCL3,3V
SERVICE
AV2_SCL
AV1_IS_QLINK
EEPROM_SDA
AV1_SDA
AV1_SCL
Q1222
10
AV1_SCL
12
AV1_SDA
10
AV2_SCL
AMP Mute
HDMI_H
P
_
M
UTE
AUDIO _M
UTE
IC252
C1BB00000998
ENABLE
7
IC251
C1BB00000998
ENABLE
7
HP Mute
HDMI_HP_MUTE
8V
SCL_TUNER
SDA_TUNER
IC3300
TEA6422DT SCL
27
SDA
28
SCL
3,
3V
SDA3,
3V
NOT_STBY
Q879
3,3V
POWER
SUPPLY
Q872
12V
Q877
33V
B2
2
7
6
SERVICE
BATS_OFF
STBY_LED
IR
KEYSCAN
1
1
INV_PSU_ON
D863
D862
POWER SUPPLY 24V
Q854
BATS_OFF
AV2_FBL
AV1_FBL
175
AV2_FBL
183
AUDIO_MUTE
205
AUDIO_MUTE
IC1380
C0FBBK000047
DAC
6
HDMI_MUTE
5
HDMI_SMUTE_INHIBIT
HDMI_SMUTE_INHIBIT
HDMI_MUTE
IC1120
EAROM
SCL
6
EE
PRO
PRO
M
_
S
DA
5
19
HPDT_P1
19
HPDT_P0
PROTECTION
PROTECTION
33V
3,3V
_HD
M
I
8V
5V
ST
BY
3,3
V
BY
3,3
V
160
AV2_SLOW
AV2_SLOW
HCLK
121
HCLK
EDID_WP_DISABLE
199
Q1721
D1201
R5028
AV1_IS_QLINK
202
AV1_IS_QLINK
Q1223
Q850
CEC_3,3V
Q1207
Q1208 Q1209
D1201
4
AV_LINK
14
SDA3,3V
AV_LINK_IN
Q1219
Q1232
AV_LINK_OUT
SDA3,3V
Q1231
Q1229 Q1230
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