DOWNLOAD LG 50PG79ED-AF (CHASSIS:PA84D) Service Manual ↓ Size: 33.53 MB | Pages: 41 in PDF or view online for FREE

Model
50PG79ED-AF (CHASSIS:PA84D)
Pages
41
Size
33.53 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50pg79ed-af-chassis-pa84d.pdf
Date

LG 50PG79ED-AF (CHASSIS:PA84D) Service Manual ▷ View online

- 4 -
SPECIFICATIONS
NOTE : Specifications and others are subject to change without notice for improvement.
V
Application Range
This spec is applied to the 
PLASMA TV used PA84D Chassis.
Specification
Each part is tested as below without special appointment.
1) Temperature : 25±5°C (77±9°F), CST : 40±5
2) Relative Humidity: 65±10%
3) Power Voltage: Standard Input voltage (100-240V~, 50/60Hz)
* Standard Voltage of each product is marked by models.
4) Specification and performance of each parts are followed each drawing and specification by part number in accordance with SBOM.
5) The receiver must be operated for about 20 minutes prior to the adjustment.
V
Test Method
1) Performance : LGE TV test method followed.
2) Demanded other specification 
Safety : CB specification
EMC
: CISPR 13 specification
Chassis
PA84D
60PG30UD-AA
42/50PG60UD-AA
42/50PG20D-AA
50/60PG30FD-AA
50/60PG70FD-AB
Australia
LG
Model Name
Market
Brand
Remark
60PG30UD-AA
42/50PG60UD-AA
42/50PG20D-AA
50/60PG30FD-AA
50/60PG70FD-AB
Safety : IEC/EN60065
EMI
: CISPR 13 Class B
Australia
Model
Appliance
Market
Remark
V
General Module Specification 
- 5 -
 
 
 
- 6 -
 
 
 
V
General Model Specification
- 7 -
1. Application Range
This spec. sheet is applied to all of the PA81A, PA81C
chassis manufactured at LG TV Plant all over the world.
2. Specification
(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.
(2) Adjustment must be done in the correct order.
(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.
(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 in HEAT-RUN Mode, the receiver
must be operated prior to the adjustment.
O
Enter into HEAT-RUN MODE 
1) Press the POWER ON KEY on R/C for adjustment.
2) Press the 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
)
* 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. 
* Caution : If you turn on a still screen more than 20
minutes (Especially digital pattern, cross hatch pattern),
an after image may be occur in the black level part of
the screen.
PCB Assembly Adjustment Method
Caution: Using ‘power on’ button of the control R/C , power
on TV.
All adjustment process is executed one time through RS-
232C.
Do not connect external input cable.
Power off TV After adjustment method, not using ‘in-stop’
button of control R/C
3. S/W Auto Download Using the 
USB Memory Stick
Caution: 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.
(1) Insert the USB memory stick to the PCB ASSEMBLY.
(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
(1) All adjustment process is executed one time through RS-
232C.
(2) Command send 
(
ADC Calibration 
(
Model name
download 
(
EDID download.
ADJUSTMENT INSTRUCTION
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
Page of 41
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LG 50PG79ED-AF (CHASSIS:PA84D) Service Manual ▷ Download

  • DOWNLOAD LG 50PG79ED-AF (CHASSIS:PA84D) Service Manual ↓ Size: 33.53 MB | Pages: 41 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the LG 50PG79ED-AF (CHASSIS:PA84D) in PDF for free, which will help you to disassemble, recover, fix and repair LG 50PG79ED-AF (CHASSIS:PA84D) Plasma. Information contained in LG 50PG79ED-AF (CHASSIS:PA84D) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.