LG 50PC3DD-UE (CHASSIS:PA73E) Service Manual ▷ View online
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ADJUSTMENT INSTRUCTIONS
(3) Click the first icon shown in fig.9. The window seen in
fig.10 should appear.
3-4. Set Method
(1) MCU Select: MTV512M64
(2) Option
(2) Option
R/W Option: Auto Write(Verity)
Jig Option: Myson
Transmit Speed: Medium
Jig Option: Myson
Transmit Speed: Medium
(3) Check: Just do it with blank micom.
(4) PORT
(4) PORT
Chose Parallel Port (normal LPT1)
Attention: You must chose EPP when select Rom BIAS at
LPT
Attention: You must chose EPP when select Rom BIAS at
LPT
3-5. Download Method
(1) Click the Load File.
(2) Locate and select the correct file from your computer.
(*.hex).
(3) Click the Send.
(4) When you see (ISP COMPLETE) the download is
complete.
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ADJUSTMENT INSTRUCTIONS
4. USB S/W Download (Option)
4-1. Overview
USB Download enables quick response to S/W upgrading and
helps to configure the panel to the latest updates.
helps to configure the panel to the latest updates.
4-2. How to Download
(1) Before starting USB download, ensure that the power is
turned off and the display is turned on.
(2) Once the USB memory stick containing the upgraded file
is connected to the USB port on the main board, the
following picture appears on the screen.
following picture appears on the screen.
(3) Check the current version at [Current TV Software Version
Information] and the target version at [New Found TV
Software Version Information]. Press Enter on the remote
controller to confirm the upgrade.
Software Version Information]. Press Enter on the remote
controller to confirm the upgrade.
(4) The following picture shows the downloading in progress.
Once the download is completed, the power is
automatically turned on and off. (Otherwise, please turn the
power on and off)
automatically turned on and off. (Otherwise, please turn the
power on and off)
(5) Once the download is completed, remove the USB
memory stick from the USB port. Press IN-START on the
remote controller to check the upgraded S/W version at the
top of the screen while the display is turned on.
remote controller to check the upgraded S/W version at the
top of the screen while the display is turned on.
Do not plug off.
Press EXIT to cancel the upgrade.
<S/W Upgrade Screen>
The software upgrade is now in progress.
Until the whole process if completed, please.
- Do not remove the memory card from the slot.
- Do not plug off.
Reading the file---Done
Upgrading---Done
The TV will restart automatically in 0 seconds.
<Downloading in progress Screen>
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ADJUSTMENT INSTRUCTIONS
5. POWER PCB Assy Voltage
Adjustment
(Va, Vs Voltage Adjustment)
5-1. Test Equipment :
D.M.M 1EA
5-2. Connection Diagram for Measuring
Refer to Fig 1.
5-3. Adjustment(42”/50”)
(1) Va Adjustment
1) Connect + terminal of D.M.M to Va pin of P812(50”:
P805) and connect – terminal to GND pin of P812(50”:
P805).
P805).
2) Adjust VR901 voltage to match that of the label on the
Top/Right of the panel. (Deviation : ±0.5V)
(2) Vs Adjustment
1) Connect + terminal of D.M.M to Vs pin of P812(50”:
P805) and connect – terminal to GND pin of P812(50”:
P805).
P805).
2) Adjust VR951 voltage to match that of the label on the
Top/Right of the panel. (Deviation : ±0.5V)
5-4. Adjustment(Sanken: EAY32929001)
(1) Va Adjustment
1) Connect + terminal of D.M.M to Va pin of P12 and
connect – terminal to GND pin of P12.
2) Adjust VR951 voltage to match that of the label on the
Top/Right of the panel. (Deviation : ±0.5V)
(2) Vs Adjustment
1) Connect + terminal of D.M.M to Vs pin of P12 and
connect – terminal to GND pin of P12.
2) Adjust VR901 voltage to match that of the label on the
Top/Right of the panel. (Deviation : ±0.5V)
Each PCB Assy must be checked by Check JIG Set before
assembly. (Especially, be careful Power PCB Assy which can
cause Damage to the PDP Module.)
assembly. (Especially, be careful Power PCB Assy which can
cause Damage to the PDP Module.)
1
1
1
VsADJ
VR951
VaADJ
VR901
3.3VADJ
VR221
T8
01
01
T9
01
01
T1
12
12
T5
01
01
L6
01
01
5V
GND
Va
GND
GND
NC
Vs
Vs
P811
1
1
1
VsADJ
VR951
VsADJ
VR951
VaADJ
VR901
VaADJ
VR901
3.3VADJ
VR221
T8
01
01
T9
01
01
T1
12
12
T5
01
01
L6
01
01
5V
GND
Va
GND
GND
NC
Vs
Vs
P811
<Fig. 1-1> Connection Diagram of Power Adjustment for
Measuring (Power Board): 42” XGA/VGA
VsADJ
VR951
5V
GND
Va
GND
GND
NC
Vs
Vs
P811
1
1
1
VaADJ
VR901
3.3VADJ
VR221
T8
01
01
T9
01
01
L8
51
51
T5
01
01
T1
12
12
L6
01
01
VsADJ
VR951
5V
GND
Va
GND
GND
NC
Vs
Vs
P811
1
1
1
VaADJ
VR901
VaADJ
VR901
3.3VADJ
VR221
T8
01
01
T9
01
01
L8
51
51
T5
01
01
T1
12
12
L6
01
01
<Fig. 1-2> Connection Diagram of Power Adjustment for
Measuring (Power Board): 50”
<Fig. 1-3> 50” PSU(Sanken: EAY32929001)
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ADJUSTMENT INSTRUCTIONS
5-5. Adjustment(LG IT: EAY32957901)
(1) Va Adjustment
1) Connect + terminal of D.M.M to Va pin of P812 and
connect – terminal to GND pin of P812.
2) Adjust VR951 voltage to match that of the label on the
Top/Right of the panel. (Deviation : ±0.5V)
(2) Vs Adjustment
1) Connect + terminal of D.M.M to Vs pin of P812 and
connect – terminal to GND pin of P812.
2) Adjust VR901 voltage to match that of the label on the
Top/Right of the panel. (Deviation : ±0.5V)
6. ADC-Set Adjustment
6-1. Synopsis
ADC-Set adjustment to set the black level and the Gain to
optimum.
optimum.
6-2. Test Equipment
Service R/C, 801GF(802V, 802F, 802R) or MSPG925FA
Pattern Generator
(480i/1080i The Horizontal 100% Color Bar Pattern adjust to
within 0.7±0.1Vp-p)
Pattern Generator
(480i/1080i The Horizontal 100% Color Bar Pattern adjust to
within 0.7±0.1Vp-p)
[ADC adjustment (MSPG-925Fx series) Model No. & Pattern No.]
- Model No.: #209(480i adjustment), #223(1080i adjustment)
- Pattern No.: #65(7ColorBar Pattern)
- Model No.: #209(480i adjustment), #223(1080i adjustment)
- Pattern No.: #65(7ColorBar Pattern)
<Fig. 1-4> 50” PSU(LG IT: EAY32957901)
<Fig. 2> Adjustment Mode
<Fig. 3> Adjustment Pattern: 480i/1080i 60Hz HozTV31Bar
Pattern
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