LG 42PG6000-ZA (CHASSIS:PD81A) Service Manual ▷ View online
- 6 -
ADJUSTMENT INSTRUCTION
1. Application Object
These instructions are applied all of the 42” PLASMA TV,
PD81A
PD81A
Chassis.
2. Note
(1) Because this is not a hot chassis, it is not necessary to use
an isolation transformer. However, the use of isolation
transformer will help protect test instrument.
transformer will help protect test instrument.
(2) Adjustment must be done in the correct order.
(3) The adjustment must be performed in the circumstance of
(3) The adjustment must be performed in the circumstance of
25±5°C of temperature and 65±10% of relative humidity if
there is no specific designation.
there is no specific designation.
(4) The input voltage of the receiver must keep 100-240V~,
50/60Hz.
(5) The receiver must be operated for about 15 minutes prior
to the adjustment.
O
After RGB Full white HEAT-RUN Mode, the receiver must
be operated prior to adjustment.
O
Enter into HEAT-RUN MODE
1) Press the POWER ON KEY on R/C for adjustment.
2) OSD display and screen display PATTERN MODE.
2) OSD display and screen display PATTERN MODE.
- Select “3. Test Pattern” by using
D
/
E
(CH+/-) and
press ENTER(
V
)
- Select “White” by using (
F
/
G
VOL+/-) and press
ENTER(
V
)
* Set is activated HEAT-RUN without signal generator in
this mode.
* Single color pattern(RED/BLUE/GREEN) of HEAT-RUN
mode uses to check PANEL.
3. S/W auto download using the USB
Memory stick
(1) Insert the USB memory sick the PCB ASSEMBLY.
(2) Using ‘power on’ button of the control R/C, power on TV.
(3) S/W download process is executed automatically.
(2) Using ‘power on’ button of the control R/C, power on TV.
(3) S/W download process is executed automatically.
4. Auto-control adjustment process
V
All adjustment process is executed one time through RS-232C.
V
Command send -> ADC Calibration -> Model name
download -> EDID download.
V
Adjsutment process protocol(RS-232C)
5. Manual model name download
(1) Press ADJ KEY on R/C for model name D/L.
(2) Select “0.Model Option” and press ENTER(
(2) Select “0.Model Option” and press ENTER(
V
).
(3) Select model name by using
D
/
E
(CH+/-)and press
ENTER(
V
).
* Using ‘power on’ button off the control R/C, power on TV.
All adjustment process is executed one time through RS-232C.
Do not connect extrenal input calbe.
All adjustment process is executed one time through RS-232C.
Do not connect extrenal input calbe.
* Using ‘power on’ button of the control R/C, power on TV.
USB file(EPK) version must be bigger than downloaded
version of main B/D.
USB file(EPK) version must be bigger than downloaded
version of main B/D.
* Using ‘power on’ button off the control R/C, power on TV.
1
2
3
4
5
6
7
8
9
10
Ready
ADC
ADC
Confirmation
ADC
Mode Out
Download
Mode In
EDID
Download
Check EDID
Status
Define model
name
Adjustment
Confirmation
Download
Mode Out
NO
Item
Remark
CMD1 CMD2
Data 0
a
a
a
a
a
a
a
a
a
a
d
d
d
d
e
e
e
e
e
e
0
0
9
0
0
0~4,9
0~4,9
1~7
9
0
0
1
9
9
0
1
2
5
9
9
Ready
ADC start
Transmitting adjustment mode In
instruction, operate adjustment command.
All=0 ; HDMI1,2,3,4=1,2,3,4 ; RGB=9
All=0 ; HDMI1,2,3,4=1,2,3,4 ; RGB=9
Model define index(Data0) are listed at
next table.
EDID data existence check in SET
assembly
a
e
5
3
42PG6000-ZA
CMD1
CMD2
Data 0
Remark
42PG6000-ZA
56000000
Model Name
Model Option Value
- 7 -
6. Manual ADC Adjustment
V
Adjustment is done using internal ADC, so input signal is
not necessary.
V
Do not connect external input cable.
6-1. Required Equipment
(1) Press ADJ KEY on R/C and enter EZ ADJUST.
(2) Select “1.EDID D/L” by using
(2) Select “1.EDID D/L” by using
D
/
E
(CH+/-) and press
ENTER(
V
).
(3) Select “Start” by using
F
/
G
(VOL+/-) and press ENTER(
V
).
(4) ADC Adjustment is executed automatically.
7. EDID Download
7-1. Required Equipment
(1) Press ADJ KEY on R/C and enter EZ ADJUST.
(2) Select “5.EDID D/L” by using
(2) Select “5.EDID D/L” by using
D
/
E
(CH+/-) and press
ENTER(
V
).
(3) Select “Start” and press ENTER(
V
).
(4) EDID download is executed automatically.
(5) Press EXIT key on R/C.
(5) Press EXIT key on R/C.
7-2. EDID DATA
(1) HDMI1(256bytes)
(2) RGB(128bytes)
-> Detail EDID Options are below (
ⓐ
,
ⓑ
,
ⓒ
,
ⓓ
,
ⓔ
)
ⓐ
Product ID
ⓑ
Serial No
=> Controlled on production line
ⓒ
Month, Year
=> Controlled on production line:
ex) Monthly: ‘11’ -> ‘0B’
Year: ‘2007’ -> ‘11’
ⓓ
Model Name(Hex)
ⓔ
Checksum
=> Changeable by total EDID data.
8. PCMCIA CARD Checking Method
: You must adjust DTV29 Channel and insert PCMCIA CARD
to socket.
1) If PCMCIA CARD works normally, normal signals display
on screen. But it works abnormally, “No CA module” words
display on screen.
display on screen.
*Do not connect HDMI and RGB cable.
NO SIGNAL or White noise
NO SIGNAL
RF Input
AV / Component / RGB input
42PG6000-ZA
EDID MODEL
Product ID
FUCTION
Model Name
Analog
Digital
40239(9D2F)
40240(9D30)
42PG6000-ZA
42PG6000
00 00 00 FC 00 34 32 50 47 36 30 30 30 0A 20 20 20 20
Model Name
Model Name(Hex)
* Set up “RF mode” before launching products.
- 8 -
9. POWER PCB Assy Voltage
Adjustments
(Va, Vs Voltage adjustments)
9-1. Test Equipment :
D.M.M. 1EA
9-2.Connection Diagram for Measuring
: refer to Fig.1
9-3. Adjustment Method
(1) Va Adjustment
1) After receiving 100% Full White Pattern, HEAT RUN.
2) Connect + terminal of D.M.M to Va pin of P811, connect
2) Connect + terminal of D.M.M to Va pin of P811, connect
- terminal to GND pin of P811.
3) After turning VR901, voltage of D.M.M adjustment as
same as Va voltage which on label of panel right/top.
(Deviation; ±0.5V)
(Deviation; ±0.5V)
(2) Vs Adjustment
1) Connect + terminal of D.M.M to Vs pin of P811, connect
– terminal to GND pin of P811.
2) After turning VR951, voltage of D.M.M adjustment as
same as Va voltage which on label of panel right/top.
(Deviation; ±0.5V)
(Deviation; ±0.5V)
10. Adjustment of White Balance
10-1. Required Equipment
(1) Color Analyzer : CS-100, CA-100+(CH.10), CA-
210(CH.10))
* Please adjust CA-100+/CA-210 by CS-1000 before
* Please adjust CA-100+/CA-210 by CS-1000 before
measuring.
-> You should use Channel 10 which is Matrix
compensated.
N
Color temperature standards according to CSM and Module.
N
Change target luminance and range of the Auto adjustment
W/B equipment.
N
White balance adjustment coordinate and color temperature.
Each PCB assembly must be checked by check JIG set.
(Because power PCB Assembly damages to PDP Module,
especially be careful)
(Because power PCB Assembly damages to PDP Module,
especially be careful)
(Fig.1) Connection diagram of power adjustment for measuring
* Before adjusting White-balance, the AV ADC should be done.
If ADC status were “NG”, Need to ADC adjustment.
PLASMA
Remark
11000K
9300K
6500K
Cool
Normal
Warm
CSM
65
20
Range
Target luminance
0.276
0.283
0.000
0.276±0.002
0.283±0.002
0.000
0.276±0.002
0.283±0.002
0.000
X
y
uv
Cool
CS-1000
CA-100+(CH.10) CA-210(CH.10)
0.285
0.293
0.000
0.285±0.002
0.293±0.002
0.000
0.285±0.002
0.293±0.002
0.000
X
y
uv
Medium
CS-1000
CA-100+(CH.10) CA-210(CH.10)
0.313
0.329
0.003
0.313±0.002
0.329±0.002
0.003
0.313±0.002
0.329±0.002
0.003
X
y
uv
Warm
CS-1000
CA-100+(CH.10) CA-210(CH.10)
- 9 -
10-2. Connection Picture of the Measuring
Instrument(On Automatic control)
(1) Inside PATTERN is used when W/B is controlled. Connect
to auto controller or push control R/C IN-START -> Enter
the mode of White-Balance, the pattern will come out.
the mode of White-Balance, the pattern will come out.
10-3. Auto-control interface and directions
(1) Adjust in the place where the influx of light like floodlight
around is blocked.(illumination is less than 10ux)
(2) Measure and adjust after sticking the Color Analyzer(CA-
100+, CA210) to the side of the module.
(3) Aging time
- After aging start, keep the power on(no suspension of
power supply) and heat-run over 15 minutes.
- keep white pattern using inside pattern.
A
Auto adjustment Map(RS-232C)
11. Adjustment of White Balance
(1) Press ADJ KEY on R/C and enter EZ ADJUST.
Select “3. Test Pattern” by using
D
/
E
(CH+/-) and press
ENTER(
V
)
Select “White” by using
F
/
G
(VOL+/-) and press ENTER(
V
)
and heat run over 15minutes.
(2) Zero Calibrate CA-100+/CA-210, and when controlling,
stick the sensor to the center of PDP module.
(3) Press ADJ KEY on R/C and enter EZ ADJUST.
Select “2. White Balance” and press
G
(VOL +).
Set test-pattern on and display inside pattern.
(5) Control is carried out on three color temperatures, COOL,
MEDIUM,WARM.
(Control is carried out thress times)
(Control is carried out thress times)
<Temperature : COOL>
- R-Cut / G-Cut / B-Cut is set to 64/
- Control R-Gain and G-Gain.
- Each Gain is limited to 192.
- Control R-Gain and G-Gain.
- Each Gain is limited to 192.
<Temperature : MEDIUM>
- R-Cut / G-Cut / B-Cut is set to 64/
- Control R-Gain and G-Gain.
- Each Gain is limited to 192.
- Control R-Gain and G-Gain.
- Each Gain is limited to 192.
<Temperature : WARM>
- R-Cut / G-Cut / B-Cut is set to 64/
- Control G-Gain and B-Gain.
- Each Gain is limited to 192.
- Control G-Gain and B-Gain.
- Each Gain is limited to 192.
12. Input the Shipping Option Data
1) Push the IN-START key in a Adjust Remocon.
2) Input the Option Number that was specified in the BOM, into
2) Input the Option Number that was specified in the BOM, into
the Shipping area.
3) The work is finished, Push
V
Key.
13. Set Information
(Serial No& Model name)
13-1. Check the serial number & Model Name
(1) Push the menu button in DTV mode.
(2) Select the SETUP -> Diagnostics -> To set.
(3) Check the Serial Number.
(2) Select the SETUP -> Diagnostics -> To set.
(3) Check the Serial Number.
(Fig.6) Auto AV(CVBS) Color Balance Test Pattern
Full White Pattern
RS-232C Communication
CA-210
Color
ANALYZER
TYPE : CA-210
R Gain
G Gain
B Gain
R Offset
G Offset
B Offset
Cool
Med
Warm
Cool
Med
Warm
jg
Ja
js
00
192
192
192
255
jh
Jb
je
00
192
192
192
255
ji
Jc
jf
00
192
192
192
255
65
65
62
128
56
56
53
128
71
70
76
128
RS-232C COMMAND
[CMD ID DATA]
Min
CENTER
(DEFAULT)
MAX
42PG1
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