Sanyo LCD-24K40 User manual

SERVICE MANUAL LCD Television
FILE NO.
Original Version
Chassis Series: UE7-A
N8WJ
Model No. LCD-24K40
Give complete “SERVICE REF. NO.” for
parts order or servicing. It is shown on the
rating plate at the cabinet back of the unit.
This T.V. receiver will not work properly in
foreign countries where the television
transmission system and power source dif-
fer from the design specifications. Refer to
the specification table.
Product Code: 113024208
Contents
Safety Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Chassis Block Diagrams . . . . . . . . . . . . . . . . . . 4-5
IC Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . 6-11
On-screen Service Menu system . . . . . . . . . . . . 12-17
Service Adjustments . . . . . . . . . . . . . . . . . . . . . 18
Mechanical Disassembly . . . . . . . . . . . . . . . . . . 19-21
Chassis Electrical Parts List . . . . . . . . . . . . . . . 22-30
Cabinet Parts List . . . . . . . . . . . . . . . . . . . . . . . 31
Printed Wiring Board . . . . . . . . . . . . . . . . . . . . . 32-37
Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . 38-40
REFERENCE NO. SM3010454
Service Ref. No. LCD-24K40-00
(Indonesia)
COVER-SM-LCD-24K40 4/12/10 9:29 AM Page 1

-2-
Safety Notice
Safety Precautions
The following precautions must be observed.
1:Comply with all caution and safety-related notes provided on the cabinet back, cabinet bottom, inside the
cabinet or on the chassis.
2:When replacing a chassis in the cabinet, always be certain that all the protective devices are installed
properly, such as, control knobs, adjustment covers or shields, barriers, etc..
DO NOT OPERATE THIS TELEVISION WITHOUT THE PROTECTIVE SHIELD IN POSITION AND
PROPERLY SECURED
3:Before replacing the cabinet cover, thoroughly inspect the inside of the cabinet to see that no stray parts or
tools have been left inside.
Before returning any televison to the customer, the service personnel must be sure that it is completely safe
to operate without danger of electrical shock.
Product Safety Notice
Product safety should be considered when a component replacement is made in any area of a receiver.
Components indicated by mark in the parts list and the schematic diagram designate components in
which safety can be of special signicance.
It is particularly recommended that only parts designated on the parts list in this manual be used for
component replacement designated by mark .
No deviations from resistance wattage or voltage ratings may be made for replacement items designated
by mark .

-3-
Specications
Model LCD-24K40
Maximum Visible Range 61cm(Screen Diagonal Size)
Picture Resolution 1366(H) x 768(V)
Viewable Angle(L°/3) L/R:+/-89D, U/D:+/-89D
Brightness 320cd/m²
Contrast 2500:1
Definition RF Analog Signals: Horizontal≥300; Vertical≥400
Degree of Colour Coverage ≥30%
Mobile Trailer Time 6.5ms
Voltage AC110-240V 50/60Hz
Power Consumption 63W
Power Management
VESA DPMS
Colour System PAL/SECAM/NTSC/NTSC4.43
Sound System D/K, I, M, B/G
Channel Coverage - VHF: E2-E12, R1-R12, K1-K9, J1-J12, A2-A13
- UHF: 21-69, A14-A69, J13-J62
- CATV: S1-S41, X, Y, Z, Z+1, Z+2
Aerial input impedance 75Ω
Speaker Size Mains: 32.5mm x 87.0mm x 2pcs
Sound speciality Maximum Output Power is 3W+3W
Total Harmonic Distortion(THD)≤10%
Input and Output terminals
AV1 Input Video Input: Composite video Input (RCAJack) x1
Audio Input: L/R Stereo Input (RCA Jack) x 1 set
S-Video Input: DIN 4-pin Jack x1
AV2 Video Input: Component Y (combined with composite video input),
CB, CR Input (RCAJack) x1 set
Audio: L/R Stereo Input (RCA Jack) x 1 set
HDMI Input HDMI Terminal 19 pin x1
PC Input Video Input: D-SUB 15 pin x1
Audio Input: Mini stereo jack x 1
Output Terminals Video Monitor Output: RCAjack x 1
Audio Monitor Output: L/R Stereo Output (RCA jack) x 1 set
Dimensions
(Width x Height x Depth) 613.8 x 437.7 x 189.8 mm (Including Stand)
Net Weight
(Including Stand ) 6.0 KG
Operating Environment
Operating Temperature 0ºC~40ºC (32ºF~104ºF)
Operating Humidity 20~80%
Storage Temperature -10ºC~50ºC (14ºF~122ºF)
Storage Humidity 20~80%

-4-
Chassis Block Diagrams
MAIN SIGNAL PROCESSING CIRCUIT
IC7200
MST740KU
A101
R L V
VGA
HDMI
R L V
Video in/Y/C in
L/R in
R/G/B in
IC750 PS331
L/R OU
T
SPI FLASH 24LA64AT
LVDS
I2C
TDA1517
AV2/DVD
Video in/Y/Pb/Pr in
L/R in
L/R in
audio out
video out
I2C
D9352M
D6274D
SIF
VIF
H D M
I
V G A
AV1 AV2
S
SIF VIF Monitor FLASH 24L64AT
L V D S O U T
A U D
I
O
RC KEY
RC KEY
PC
PANEL
32PIN
Tuner
Tuner
S-Video
AV1
R L PR PB Y
Monitor out
L/R Speaker

-5-
POWER SUPPLY IC
1.5A
13V (1.5A) 100mA
100mA
PWR-ON 12V 200mA
600mA
(1.5A) ON-PANEL
600mA
3.3V 300mA
5VD 500mA
PWR-ON
5VSTB (2A) 20mA
100mA
+5VSTB LDO 3.3VSTB
IR/LED/EEPROM/CEC
1.26VA
LDO AVDDA & VDDP
CMOS SW LDO AVDD_AU & AVDD_VIF & 3.3VD
12V
LDO
13V FOR AUDIO AM
P
+13V
(26inch 15V)
FOR MONITOR OUT
DC/DC 32V FOR TUNER
LDO 5V FOR TUNER
CMOS S
W
12VP FOR PANEL
Chassis Block Diagrams

-6-
IC Block Diagrams (On the ASSY, PWB, MAIN)
FLK3
VGH_EVEN
OPT_P1
GCLK1
VGH_ODD
GCLK2
OPT_N1
GCLK3
SOE
HCONV1
SC_FS
AUVRADP
AUVREF
RXE4-
CVBS1
SV_Y0
CVBS0
SV_C0
CVBSOut1
VCOM0
B_TX0+
B_TX0-
R_TX2-
G_TX1-
G_TX1+
TXCLK-
R_TX2+
RXO1+RLV1N
PB+
TXD
TAGC
FLK1
SPI_CZ
SPI_CK
SPI_DO1
SPI_DI
AUOutL2
RXE4+
SAR0
SAR1
SIFP
SIFM
PWM0
RXO2-RLV2P
PWM2
VIFM
VIFP
LED_R
LED_Y
RXE1-RLV7P
FLK2
SIF-CTL
AUOutR2
HDCEC
RXO2+RLV2N
RXE1+RLV7N
TXCLK+
RXOC-
AUVRADN
LEDON1
SCAN_BLK2
RXE2-
WPWM1
HWRESET
SOG
BIN+
RIN+
GIN+
SCL_HD
SDA_HD
HPLUG
RXOC+
WAKEUP
RXE2+
SCAN_BLK1
RXO3-RLV4P
PWM1
RXEC-
I2C_SCL
I2C_SDA
DPM1
RXO3+RLV4N
IR_SYNC
SOY
PR+
Y+
RXEC+
RXO0-RLV0P
RXO4-RLV5P
RXE3-
AMP-MUTE
AUOutR1_amp
AUOutL1_amp
RXO0+RLV0N
ON-PANEL
ON-PBACK
COMP_AUL2
PC_AUR0
AV_AUL1
AV_AUR1
PC_AUL0
COMP_AUR2
RXO4+RLV5N
RXE3+
RXO1-RLV1P
RXD
HS_RGB
VS_RGB
HD-SW
SC_FB
GCLK4
PWM3
GCLK5
POL
GCLK6
WP_EE
GSP
RXE0+RLV6N
RXE0-RLV6P
AVDDA VDDP VDDC
AVDD_AU
AVDD_VIF
+5V_all
VDDP_PM
AVDD_MPLL
VGH_EVEN
RXOC+
RXOC-
RXO3+
RXO3-
RXO4-
RXO0+
RXO0-
RXO1+
RXO1-
RXO2+
RXO2-
PWM3
GCLK6
GCLK5
RXO4+
GCLK4
POL
RXE0-
RXE1+
RXE1-
RXE2+
RXE2-
RXEC+
RXEC-
RXE3+
RXE3-
RXE4+
RXE4-
RXE0+
GSP
GCLK1
GCLK2
GCLK3
SOE
ADJ_PWM
I2C_SDA
I2C_SCL
RXD
TXD
VGH_ODD
MST740KU
Please close
to chip.
CL=20pf of XTAL
WARNING !!!
PANEL
INTERFACE
C158
27pF
C158
27pF
R217 22RR217 22R
C169
0.1uF
C169
0.1uF
TP26TP26
TP14TP14
R183 100RR183 100R
R176 22RR176 22R
R239 NC/100RR239 NC/100R
TP15TP15
TP19TP19
R174
4.7K
R174
4.7K
TP17TP17
+
C164 10uF/16V
+
C164 10uF/16V
C159
27pF
C159
27pF
753 1 8642
RP9
RP22X4
753 1 8642
RP9
RP22X4
+
C175
10uF/16V
+
C175
10uF/16V
R241 22RR241 22R
R172 68RR172 68R
AVSS_ADC
3
AVDD_ADC 10
AVSS_ADC
25
AVDD_MPLL 26
SPI_SCK
91
SPI_SDI
89 SPI_SCZ 90
SPI_SDO
88
DDCA_DAT 126
INT 127
HWRESET135
XTAL_XOUT 27
XTAL_XIN 28
DDCA_CLK 125
IRIN 128
AUWS/GPIO
83
GPIO/SPI_SIO3
86
GPIO
85 AUMCKO/GPIO 84
AVDD_VIF 39
AVSS_MPLL
29
VSYNC1
9
AVDD_VIF 30
AUSCK/GPIO
82 AUSD0/GPIO 81
AVDD_ADC 18
GPIO/SPI_SIO2
87
GPIOD3/TXD1
94 GPIOD2/RXD1 95
AVSS
52
MUTE/GPIOD5
92 GPIOD4 93
GPIOD1/RXD0
96 GPIOD0/TXD0 97
LVB4N 98
LVB4P 99
LVB3N 100
LVB3P 101
LVBCLKN 102
LVBCLKP 103
RLV8N/LVB2N 104
RLV8P/LVB2P 105
RLV6N/LVB0N 108
RLV6P/LVB0P 109
RLV5N/LVA4N 111
RLV5P/LVA4P 112
RLV4N/LVA3N 113
RLV4P/LVA3P 114
RLV3N/LVACLKN 115
RLV3P/LVACLKP 116
RLV2N/LVA2N 117
RLV2P/LVA2P 118
RLV1N/LVA1N 119
RLV1P/LVA1P 120
AVDDP_1 124
GND
68
AVDD_ADC 153
AVDD_VIF 31
RLV7P/LVB1P 107
RLV7N/LVB1N 106
RLV0P/LVA0P 122
RLV0N/LVA0N 121
TCON5 62
TCON6 63
TCON7 64
TCON8 65
TCON9 66
TCON10 70
TCON11 71
TCON12 72
GND
147
SAR0 131
SAR1 130
SAR2 129
WAKEUP 137
TCON0 57
TCON1 58
TCON2 59
TCON3 60
TCON4 61
TCON13 73
AVDDP_1 110
PWM2
76 PWM1 77 PWM0 78
GND
79
AVDDP_1 69
TCON14 145
TCON15 144
TCON16 143
TCON17 142
TCON18 141
TCON19 140
TCON20 139
TCON21 138
AVDDP_1 74
VDDC67
AVDDP_1 80
VDDP_2 132
VDDC148
AVSS_VIF
32 AVSS_VIF 37
AVDD_AU 41
GND
123
DDCD_SCL
133
RIN1P
8
RXA0P
152
LINE_IN_1R
45
BIN1P
4
HOTPLUG
156
RXACKP
150
LINE_IN_2L
46
SIFP
36
GIN1P
6
CVBS0/Y0
22
CVBS2/Y1
20
AUVRP
50
DDCD_SDA
134
BIN0P
12
CEC
136
LINE_IN_0R
43
DAC_OUT_L
53
HSYNC0
11
AUVAG
51
RIN0P
16
AUCOM
48
SOGIN0
15
SOGIN1
5
RXA2P
2
RXA1N
154
RXA2N
1
VCOM0
23
GIN0M
13
RXA0N
151
LINE_IN_1L
44
LINE_IN_2R
47
AUVRM
49
LINE_IN_0L
42
TAGC
40
RXACKN
149
GIN1M
7
SIFM
35 VIFM
34
CVBSOUT
24
CVBS1/C0
21
RXA1P
155
DAC_OUT_R
54
VSYNC0
17
VR27
38
VIFP
33
CVBS3/C1
19
GIN0P
14
LINE_OUT_L
55 LINE_OUT_R
56
AVDDP_1 146
PWM3
75
EPAD
157
U18U18
C165 0.1uFC165 0.1uF
R238 22RR238 22R
R167 200RR167 200R
TP23TP23
TP16TP16
TP21TP21
TP27TP27
X1
14.318MHZ
X1
14.318MHZ
R208 22RR208 22R
C162 47nFC162 47nF
C161 47nFC161 47nF
R179 0RR179 0R
753 1 8642
RP3
RP22X4
753 1 8642
RP3
RP22X4
C168
0.1uF
C168
0.1uF
753 1 8642
RP4
RP22X4
753 1 8642
RP4
RP22X4
TP18TP18
C171 0.1uFC171 0.1uF
L20
120R/FB0603
L20
120R/FB0603
L21
FB
L21
FB
TP13TP13
R173 68RR173 68R
R244 22RR244 22R
C174
1uF
C174
1uF
753 1 8642
RP5
RP22X4
753 1 8642
RP5
RP22X4
R177 22RR177 22R
TP22TP22
R166
1M
R166
1M
R171 68RR171 68R
TP25TP25
R22810K/NCR22810K/NC
R181 0RR181 0R
7531
8642
RP7
RP22X4
7531
8642
RP7
RP22X4
C115 47nFC115 47nF
R180 0RR180 0R
C170
100pF
C170
100pF
R237 22RR237 22R
753 1 8642
RP1
RP22X4
753 1 8642
RP1
RP22X4
R227 22RR227 22R
C172
0.1uF
C172
0.1uF
R182 0RR182 0R
753 1 8642
RP2
RP22X4
753 1 8642
RP2
RP22X4
R214 22RR214 22R
TP24TP24
TP20TP20
C173
4.7uF
C173
4.7uF
R245 22RR245 22R
IC7200 MST740KUMST740KU

-7-
IC Block Diagrams
IC8000 �XXAAJ�1195--�XXAAJ�1195--

-8-
IC Block Diagrams
IC750 �PS331T�FP64M
IC8001 �XXAVC951---P

-9-
IC Block Diagrams
IC7501/IC7503 �AMS1117-3.3P

-10-
IC Block Diagrams
IC7502 �LM1085R-3.3P
IC7504 �LM1117S-1.2P

-11-
IC Block Diagrams
IC001 �TDA1517/N3-N

-12-
On-screen Service Menu System
General
This set has an On-screen Service Menu System included in the CPU that allows remote operation for
most of the service adjustments.
■ How to select the service item and adjust data:
On-screen Service Menu System
�uick operation is needed to enter Service Mode.
■ How to enter the Service Menu
1. Press and hold the MENU button on Side Controls.
2. Keep pressing the MENU button and press the "1" button on the remote control, and the FACTORY MENU
will be displayed.
To adjust data:
1) Select “DATA” line by pressing ▲▼ button.
■ To exit service mode
Press MENU button to exit service mode.
Note: The all adjusted data in service mode will be memorized into EEPROM automatically.
2) Press ◄► button to adjust data.
Open or close the On-Screen Menu.
MENU button
Side Controls
[ Service Mode Menu ]
SERVICE
INDEX-000 575i SUB- CONT
ADDR. 097F
DATA : FA 11111010 Data Value
Item Name
Address
SERVICE
INDEX-000 575i SUB- CONT
ADDR. 097F
DATA : FA 11111010

-13-
Item Name Initial Data IC Description
On-screen Service Menu System
■ Service Adjustment Data Table
575i SUB-CONT 0H MST740KU
575i SUB-BRIGHT 0H MST740KU DVD Input
575i SUB-COLOR 0H MST740KU Input Video Format: 575i
575i SUB-TINT 0H MST740KU (Different Value)
575i SUB-SHARP 0H MST740KU
575p SUB-CONT 0H MST740KU
575p SUB-BRIGHT 0H MST740KU DVD Input
575p SUB-COLOR 0H MST740KU Input Video Format: 575p
575p SUB-TINT 0H MST740KU (Different Value)
575p SUB-SHARP 0H MST740KU
480i SUB-CONT 0H MST740KU
480i SUB-BRIGHT 0H MST740KU DVD Input
480i SUB-COLOR 0H MST740KU Input Video Format: 480i
480i SUB-TINT 0H MST740KU (Different Value)
480i SUB-SHARP 0H MST740KU
480p SUB-CONT 0H MST740KU
480p SUB-BRIGHT 0H MST740KU DVD Input
480p SUB-COLOR 0H MST740KU Input Video Format: 480p
480p SUB-TINT 0H MST740KU (Different Value)
480p SUB-SHARP 0H MST740KU
1080i(50) SUB-CONT 0H MST740KU
1080i(50) SUB-BRIGHT 0H MST740KU DVD Input
1080i(50) SUB-COLOR 0H MST740KU
Input Video Format:1080(50) i
1080i(50) SUB-TINT 0H MST740KU (Different Value)
1080i(50) SUB-SHARP 0H MST740KU
1080i(60) SUB-CONT 0H MST740KU
1080i(60) SUB-BRIGHT 0H MST740KU DVD Input
1080i(60) SUB-COLOR 0H MST740KU
Input Video Format: 1080(60)i
1080i(60) SUB-TINT 0H MST740KU (Different Value)
1080i(60) SUB-SHARP 0H MST740KU
720p50 SUB-CONT 0H MST740KU DVD Input
720p50 SUB-BRIGHT 0H MST740KU
Input Video Format: 720p(50)
720p50 SUB-COLOR 0H MST740KU (Different Value)
720p50 SUB-TINT 0H MST740KU
720p50 SUB-SHARP 0H MST740KU
720p60 SUB-CONT 0H MST740KU DVD Input
720p60 SUB-BRIGHT 0H MST740KU
Input Video Format: 720p(60)
720p60 SUB-COLOR 0H MST740KU (Different Value)
720p60 SUB-TINT 0H MST740KU
720p60 SUB-SHARP 0H MST740KU
1080P(50) SUB-CONT 0H MST740KU DVD Input
1080P(50) SUB-BRIGHT 0H MST740KU
Input Video Format: 1080P(50)
1080P(50) SUB-COLOR 0H MST740KU (Different Value)
1080P(50) SUB-TINT 0H MST740KU
1080P(50) SUB-SHARP 0H MST740KU
1080P(60) SUB-CONT 0H MST740KU DVD Input
1080P(60) SUB-BRIGHT 0H MST740KU
Input Video Format: 1080P(60)
1080P(60) SUB-COLOR 0H MST740KU (Different Value)
1080P(60) SUB-TINT 0H MST740KU
1080P(60) SUB-SHARP 0H MST740KU

-14-
PC SUB-CONT f5H MST740KU
PC SUB-BRIGHT 5H MST740KU
PC SUB-COLOR 0H MST740KU PC Input
PC SUB-TINT 0H MST740KU (Different Value)
PC SUB-SHARP 0H MST740KU
DVI SUB-CONT f5H MST740KU
DVI SUB-BRIGHT 0H MST740KU
DVI SUB-COLOR 0H MST740KU HDMI Input
DVI SUB-TINT 0H MST740KU (Different Value)
DVI SUB-SHARP 0H MST740KU
AVPAL BASE-CONT 48H MST740KU
AVPAL BASE-BRIGHT 55H MST740KU
AVPAL BASE-COLOR 70H MST740KU Input Alteration: VIDEO(PAL)
AVPAL BASE-TINT 0H MST740KU (BASE)
AVPAL BASE-SHARP e5H MST740KU
AVN SUB-CONT 0H MST740KU
AVN SUB-BRIGHT f5H MST740KU
AVN SUB-COLOR 0H MST740KU Input Alteration: VIDEO(NTSC)
AVN SUB-TINT 0H MST740KU (Different Value)
AVN SUB-SHARP 0H MST740KU
AVN443 SUB-CONT 0H MST740KU
AVN443 SUB-BRIGHT f5H MST740KU
AVN443 SUB-COLOR 0H MST740KU Input Alteration: VIDEO(NTSC443)
AVN443 SUB-TINT 0H MST740KU (Different Value)
AVN443 SUB-SHARP 0H MST740KU
AVSECAM SUB-CONT 0H MST740KU
AVSECAM SUB-BRIGHT 0H MST740KU Input Alteration: VIDEO(SECAM)
AVSECAM SUB-COLOR 0H MST740KU (Different Value)
AVSECAM SUB-TINT 0H MST740KU
AVSECAM SUB-SHARP 0H MST740KU
S(50) SUB-CONT 0H MST740KU
S(50) SUB-BRIGHT 0H MST740KU
S(50) SUB-COLOR 0H MST740KU Input Alteration:S-VIDEO(PAL)
S(50) SUB-TINT 0H MST740KU (Different Value)
S(50) SUB-SHARP 0H MST740KU
S(60) SUB-CONT 0H MST740KU
S(60) SUB-BRIGHT f5H MST740KU
S(60) SUB-COLOR 0H MST740KU Input Alteration:S VIDEO(NTSC)
S(60) SUB-TINT 0H MST740KU (Different Value)
S(60) SUB-SHARP 0H MST740KU
RFPAL SUB-CONT 5H MST740KU
RFPAL SUB-BRIGHT faH MST740KU
RFPAL SUB-COLOR e9H MST740KU Input Alteration: RF(PAL)
RFPAL SUB-TINT 0H MST740KU (Different Value)
RFPAL SUB-SHARP 0H MST740KU
Item Name Initial Data IC Description
On-screen Service Menu System

-15-
RFN SUB-CONT 0H MST740KU
RFN SUB-BRIGHT f8H MST740KU
RFN SUB-COLOR e9H MST740KU Input Alteration: RF(NTSC)
RFN SUB-TINT 0H MST740KU (Different Value)
RFN SUB-SHARP 0H MST740KU
RFN443 SUB-CONT 5H MST740KU
RFN443 SUB-BRIGHT faH MST740KU
RFN443 SUB-COLOR e9H MST740KU Input Alteration: RF(NTSC443)
RFN443 SUB-TINT 0H MST740KU (Different Value)
RFN443 SUB-SHARP 0H MST740KU
RFSECAM SUB-CONT 5H MST740KU
RFSECAM SUB-BRIGHT faH MST740KU
RFSECAM SUB-COLOR e9H MST740KU Input Alteration: RF(SECAM)
RFSECAM SUB-TINT 0H MST740KU (Different Value)
RFSECAM SUB-SHARP 0H MST740KU
White-575i R 0H MST740KU
White-575i G 0H MST740KU
White-575i B 0H MST740KU DVD Input: 575i
Black-575i R 0H MST740KU (Different Value)
Black-575i G 0H MST740KU
Black-575i B 0H MST740KU
White-575p R 0H MST740KU
White-575p G 0H MST740KU
White-575p B 0H MST740KU DVD Input: 575p
Black-575p R 0H MST740KU (Different Value)
Black-575p G 0H MST740KU
Black-575p B 0H MST740KU
White-480i R 0H MST740KU
White-480i G 0H MST740KU
White-480i B 0H MST740KU DVD Input: 480i
Black-480i R 0H MST740KU (Different Value)
Black-480i G 0H MST740KU
Black-480i B 0H MST740KU
White-480p R 0H MST740KU
White-480p G 0H MST740KU
White-480p B 0H MST740KU DVD Input: 480p
Black-480p R 0H MST740KU (Different Value)
Black-480p G 0H MST740KU
Black-480p B 0H MST740KU
White-1080I (50)R 0H MST740KU
White-1080I (50)G 0H MST740KU
White-1080I (50)B 0H MST740KU DVD Input: 1080I (50)
Black-1080I (50)R 0H MST740KU (Different Value)
Black-1080I (50)G 0H MST740KU
Black-1080I (50)B 0H MST740KU
White-1080I (60)R 0H MST740KU
White-1080I (60)G 0H MST740KU
White-1080I (60)B 0H MST740KU DVD Input: 1080I (60)
Black-1080I (60)R 0H MST740KU (Different Value)
Black-1080I (60)G 0H MST740KU
Black-1080I (60)B 0H MST740KU
Item Name Initial Data IC Description
On-screen Service Menu System

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White-720P (50)R 0H MST740KU
White-720P (50)G 0H MST740KU
White-720P (50)B 0H MST740KU DVD Input: 720P(50)
Black-720P (50)R 0H MST740KU (Different Value)
Black-720P (50) G 0H MST740KU
Black-720P (50) B 0H MST740KU
White-720P (60) R 0H MST740KU
White-720P (60) G 0H MST740KU
White-720P (60) B 0H MST740KU DVD Input: 720P(60)
Black-720P (60) R 0H MST740KU (Different Value)
Black-720P (60) G 0H MST740KU
Black-720P (60) B 0H MST740KU
White-1080P(50) R 0H MST740KU
White-1080P(50) G 0H MST740KU
White-1080P(50) B 0H MST740KU DVD Input: 1080P(50)
Black-1080P(50) R 0H MST740KU (Different Value)
Black-1080P(50) G 0H MST740KU
Black-1080P(50) B 0H MST740KU
White-1080P(60) R 0H MST740KU
White-1080P(60) G 0H MST740KU
White-1080P(60) B 0H MST740KU DVD Input: 1080P(60)
Black-1080P(60) R 0H MST740KU (Different Value)
Black-1080P(60) G 0H MST740KU
Black-1080P(60) B 0H MST740KU
White-PC R 0H MST740KU
White-PC G 0H MST740KU
White-PC B 0H MST740KU PC Input
Black-PC R 0H MST740KU (Different Value)
Black-PC G 0H MST740KU
Black-PC B 0H MST740KU
White-DVI R 0H MST740KU
White-DVI G 0H MST740KU
White-DVI B 0H MST740KU HDMI Input
Black-DVI R 0H MST740KU (Different Value)
Black-DVI G 0H MST740KU
Black-DVI B 0H MST740KU
White-AVSECAM R 75H MST740KU
White-AVSECAM G 75H MST740KU
White-AVSECAM B 75H MST740KU VIDEO Input→SECAM
Black-AVSECAM R 80H MST740KU (Different Value)
Black-AVSECAM G 80H MST740KU
Black-AVSECAM B 80H MST740KU
White-AVN R 0H MST740KU
White-AVN G 0H MST740KU
White-AVN B 0H MST740KU VIDEO Input→NTSC
Black-AVN R 0H MST740KU (Different Value)
Black-AVN G 0H MST740KU
Black-AVN B 0H MST740KU
Item Name Initial Data IC Description
On-screen Service Menu System

-17-
White-AVN443 R 0H MST740KU
White-AVN443 G 0H MST740KU
White-AVN443 B 0H MST740KU VIDEO Input→NTSC443
Black-AVN443 R 0H MST740KU (Different Value)
Black-AVN443 G 0H MST740KU
Black-AVN443 B 0H MST740KU
BASEWhite-AVPAL R 0H MST740KU
BASEWhite-AVPAL G 0H MST740KU
BASEWhite-AVPAL B 0H MST740KU VIDEO Input→PAL
BASEBlack-AVPAL R 0H MST740KU (BASE)
BASEBlack-AVPAL G 0H MST740KU
BASEBlack-AVPAL B 0H MST740KU
White-SV(50) -PAL R 0H MST740KU
White-SV(50) -PAL G 0H MST740KU
White-SV(50) -PAL B 0H MST740KU S-Video Input(PAL)
Black-SV(50) -PAL R 0H MST740KU (Different Value)
Black-SV(50) -PAL G 0H MST740KU
Black-SV(50) -PAL B 0H MST740KU
White-S(60) -NTSC R 0H MST740KU
White-S(60) -NTSC G 0H MST740KU
White-S(60) -NTSC B 0H MST740KU S-Video Input(NTSC)
Black-S(60) -NTSC R 0H MST740KU (Different Value)
Black-S(60) -NTSC G 0H MST740KU
Black-S(60) -NTSC B 0H MST740KU
White-RFSECAM R 0H MST740KU
White-RFSECAM G 0H MST740KU
White-RFSECAM B 0H MST740KU TV Input(PAL-M)
Black-RFSECAM R 0H MST740KU (Different Value)
Black-RFSECAM G 0H MST740KU
Black-RFSECAM B 0H MST740KU
White-RFN R 0H MST740KU
White-RFN G 0H MST740KU
White-RFN B 0H MST740KU
Black-RFN R 0H MST740KU TV Input(NTSC)
Black-RFN G 0H MST740KU (Different Value)
Black-RFN B 0H MST740KU
White-RFN443 R 0H MST740KU
White-RFN443 G 0H MST740KU
White-RFN443 B 0H MST740KU
Black-RFN443 R 0H MST740KU TV Input(NTSC443)
Black-RFN443 G 0H MST740KU (Different Value)
Black-RFN443 B 0H MST740KU
White-RFPAL R 0H MST740KU
White-RFPAL G 0H MST740KU
White-RFPAL B 0H MST740KU
Black-RFPAL R 0H MST740KU TV Input(PAL)
Black-RFPAL G 0H MST740KU (Different Value)
Black-RFPAL B 0H MST740KU
EDID YEAR 14H HDMI,VGA EDID YEAR 13h~19h
HST KEYWORD 7aH
HST DATA INITIALIZE KEYWORD
Item Name Initial Data IC Description
On-screen Service Menu System

-18-
Service Adjustments
CAUTION !
Do not attempt to adjust service adjustments not listed below otherwise it may cause loss of performance
and for correct operation.
■ Setting the Initial data
This adjustment is controlled by the CPU (IC8000) through the IIC Bus Data Line in the chassis, and those
adjustment data are memorized the memory IC (IC7200). Therefore, Main board or the memory IC (IC7200)
is replaced, these data will be disappeared. Readjust should be made. Initial data is provided in the CPU
ROM, when the memory IC (IC7200) is replaced with new one. CPU ROM data is loaded into the memory.
Initial data is provided to operating the monitor basically. For operating the monitor quality performance,
further adjustment is required following chassis electrical adjustment.
1. Receive good quality signal.
2. Enter the Service Mode.
3. Confirm data value to be the same as the Service Adjustment Data Table. If it is different, change to
correct data
4. Exit the Service Mode.
■ White and Black Balance Adjustment
Pattern
White Pattern 100% (in AV mode).
Condition
Picture Mode: STANDARD
Color Temperature: NORMAL
Pre-heating Time: More than 10 minutes
Adjustment
1. Enter the Service Mode.
2. Select WHITE BALANCE / BLACK BALANCE by pressing ▲▼ button, and press ◄► button to enter.
3. Set R,G,B value to “FF” by pressing NUMERIC buttons.
To adjust Red : Press 1 (data value up) and 4(data value down).
To adjust Green : Press 2 (data value up) and 5 (data value down).
To adjust Blue : Press 3 (data value up) and 6 (data value down).
4. Decide one item in three items to a fixed value (For example, let R be fixed value), select item of other
2 colors (Example, G or B), and adjust to produce a normal black and white picture in highlight areas.
(Note: At this time, Adjust the other 2 colors data less than fixed data.)
5. Exit the Service Mode.
After adjustment, confirm white balance again by normal picture.
WHITE BALANCE ADJUST
RED GREEN BLUE
70 71 75
Red "+" Green "+" Blue "+"
Red "-" Green"-" Blue"-"
BLACK BALANCE ADJUST
RED GREEN BLUE
70 71 75

-19-
[ Disassembly Diagram ]
CABINET FRONT
CABINET BACK
DEC. RC
STAND BASE
PANEL
SPEAKER
Mechanical Disassembly
MAIN BOARD
POWER BOARD BUTTON

-20-
1. STAND Removal
1. Remove 4 screws and remove the STAND.
STAND
2. CABINET BACK Removal
1. Remove 10 screws and take the CABINET BACK off.
Mechanical Disassembly