DOWNLOAD LG 42PC3RA-ZJ (CHASSIS:PP61A) Service Manual ↓ Size: 16.91 MB | Pages: 52 in PDF or view online for FREE

Model
42PC3RA-ZJ (CHASSIS:PP61A)
Pages
52
Size
16.91 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
42pc3ra-zj-chassis-pp61a.pdf
Date

LG 42PC3RA-ZJ (CHASSIS:PP61A) Service Manual ▷ View online

- 17 -
(5) If download is failed, for example “No acknowledge from
slave”, execute download again from(1).
Data 0x00000000 -> 0x000000ff
Num of Byte 0
-> 4096
6. Tool Option, Area Option change
Tool Option, Area Option change Before PCB Assy check,
have to change the Tool option and Area option.
Option value are below.
(If you don’t change the option, the input menu can differ the
model spec.)
The input methods are same as other chassis.
* refer to the Job expression at BOM
7. Color Carrier Adjustment 
(Inspection process)
(1) Tuning the RF EU-5CH(C5)
(2) Push the “adj” button at an adjust remocon
8. POWER PCB Assy Voltage
Adjustment
(Va, Vs Voltage Adjustment)
8-1. Test equipment:
D.M.M 1EA
8-2. Connection Diagram for Measuring
Refer to Fig.1
8-3. Adjustment Method 
Adjustment Method for Power Board( P/No: 6709900019A)
(1) Va Adjustment
1) After receiving 100% Full White Pattern, HEAT RUN.
2) Connect + terminal of D.M.M to Va pin of P812, connect
- terminal to GND pin of P812.
3) After turning VR0901, voltage of D.M.M adjustment as
same as Va voltage which on label of panel right/top.
(Deviation; ±0.5V)
(2) Vs Adjustment
1) Connect + terminal of D.M.M to Vs pin of P812, connect
– terminal to GND pin of P812.
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)
Tool Option
Inch    &   Model
42
1RV
3RV
Area Option
Caution: Each PCB assembly must be checked by check JIG
set. (Because power PCB Assembly damages to PDP
Module, especially be careful)
(Fig. 1) Connection Diagram of Power Adjustment for Measuring
ZJ
30224
29200
0~19
TJ
25616
24592
20~
CJ
25616
24592
23
- 18 -
9. EDID(The Extended Display
Identification Data)/DDC
(Display Data Channel) Download
* Use the proper signal cable for EDD Download.
*EDID Data
<EDID DATA Analog Set : 128bytes>
<EDID DATA HDMI Set : 256byte>
* Detail EDID Optoins are below((a),(b),(c),(d),(e))
(a) Product ID.
(b) Serial No : Controlled on production line.
(c) Month, Yeear : Controlled on production line.
ex)  Montly : ‘03’ -> ‘03’
Year    : ‘2005’ -> ‘0F’
(d) Model Name(Hex)
(e) Checksum : Changeable by total EDID data.
(c)
(a)
(b)
(e)
(d)
Manufacturer ID
Version
Revision
1
2
3
No
Item
Condition
Hexadecimal Data
GSM
Digital : 1
Digital : 3
1E6D
01
03
Caution: - Never connect HDMI & D-SUB Cable at the same time.
- Use the proper cables below for EDID Writing
For RGB EDID
For HDMI EDID
42PC1RVA
42PC1RV
42PC3RA
42PC3RV
42PC1R
Analog
Digital
Analog
Digital
Analog
Digital
Analog
Digital
Analog
Digital
40043
40044
40045
40046
40047
40048
40021
40022
40049
40050
9C6B
9C6C
9C6D
9C6E
9C6F
9C70
9C55
9C56
9C71
9C72
6B9C
6C9C
6D9C
6E9C
6F9C
709C
559C
569C
719C
729C
Model
A/D
DEC
HEX
EDID
Table
Product ID
42PC1RV-CJ
42PC1RV-MJ
42PC1RV-ZJ
42PC3RV-ZJ
42PC3RV-TJ
42PC3RA-ZJ
42PC1R-MJ
42PC3RV-UJ
Model Name
Model Name (HEX)
3 4     3 2     5 0     4 3     3 1     5 2     5 6     2 D     4 3
3 4     3 2     5 0     4 3     3 1     5 2     5 6     2 D     4 D
3 4     3 2     5 0     4 3     3 1     5 2     5 6     2 D     5 A
3 4     3 2     5 0     4 3     3 3     5 2     5 6     2 D     5 A
3 4     3 2     5 0     4 3     3 3     5 2     5 6     2 D     5 4
3 4     3 2     5 0     4 3     3 3     5 2     4 1     2 D     5 A
3 4     3 2     5 0     4 3     3 1     5 2     2 D     4 D     4 A  
3 4     3 2     5 0     4 3     3 3     5 6     2 D     5 5     4 A
- 19 -
9-1. Required Test Equipment
(1) Adjusting PC with S/W for writing EDID Data.(S/W: EDID
TESTER Ver.2.5)
(2) A Jig for EDID Download
(3) Cable: Serial(9Pin or USB) to D-sub 15Pin cable, D-sub
15Pin cable, DVI to HDMI cable.
9-2. Setting of Device
9-3. Preparation for Adjustment
(1) As above (Fig. 2), Connect the Set, EDID Download Jig,,
PC & Cable.
(2) Turn on the PC & EDID Download Jig. And  Execute the
S/W : EDID TESTER Ver.2.5
(3) Set up the S/W option.
Repeat Number : 5
Device Address : A0
PageByte : 8
(4) Power on the Set.
9-4. Sequence of Adjustment
DDC data of Analog-RGB
(1) Init the data.
(2) Load the EDID data.( Open File )
(3) Set the S/W as below.
(4) Push the “Write Data & Verify” button. And confirm “Yes”.
(5) If the writing is finished, you will see the “ OK” message.
Open File
[Analog - RGB :
PP61A/C_RGB.ANA ]
[Digital - HDMI :
PP61A/C_HDMI.DVI ]
(Fig. 2) Connection Diagram of DDC Download
- 20 -
10. Adjustment of White Balance
10-1. Required Equipment
(1) Remote Controller for Adjustment.
(2) Color Analyzer.(CA-100 or same product)
(3) Auto W/B adjustment instrument.(only for Auto adjustment)
(4) AV Pattern Generator.
10-2. Connecting Diagram of Equipment 
for Measuring
(For Automatic Adjustment) 
10-3. Adjustment of White Balance
(For Manual Adjustment) 
O
Operate the zero-calibration of the CA-100, then stick
sensor to PDP module surface when you adjust.
O
For manual adjustment, it is also possible by the following
sequence
(1) Select white pattern of heat-run mode by pressing power
on key on remote control for adjustment then operate heat
run more than 15 minutes. 
(2) As below Fig. 4, Supply 216Level (85 IRE) full screen
pattern to Video input.
(3) Press the TV/AV KEY on R/C for converting input mode.
(4) Set the PSM to Standard mode in Picture menu.
(5) Enter the White Balance adjustment mode by pressing the
INSTANT key twice(White Balance) on R/C.
(6) Stick sensor to center of the screen and select each items
(Red/Green/Blue Gain and Offset) using 
D
/
E
(CH +/-) key
on R/C.
(7) Adjust Only High Light with R Gain / B Gain using 
F
/
G
(VOL +/-) key on R/C.
(8) Adjust it until color coordination becomes as below. 
Brightness : 
High Light :
80 ± 20cd/m2
Color-Coordinate :
High Light :
X : 0.283 ± 0.003
Y : 0.298 ± 0.003
Color Temperature : 9,300°K ± 500°K
(9) When adjustment is completed, Exit adjustment mode
using EXIT key on R/C.
11. 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
the Shipping area.
3) The work is finished, Push 
V
Key.
12. Default value in adjustment mode
12-1. White Balance
13. Power-off History
1) This function indicated Power off history.
2) You can go into this mode by ADJ key in ADJ remocon.
216 Level (85 IRE)
COLOR 
COLOR ANAL
ANALYZER
YZER
TYPE ; CA-100
TYPE ; CA-100
CVBS
CVBS
signal
input
RS-232C Serial Communication
Pattern Generator
MSPG-2100/
MSTG-5200
(Fig. 3) Connection Diagram of Auto W/B Adjustment
Auto Adjustment Map(RS-232C)
Type
Baud Rate
115200
Index
R Gain
G Gain
B Gain
R Offset
G Offset
B Offset
Data bit
8
Cmd1 Cmd2
j
a
j
b
j
c
j
d
j
e
j
f
Stop bit
1
Parity
NONE
PP61A/ PP61C
Protocol
Setting
Data
Min Value
00(00)
00(00)
00(00)
00(00)
00(00)
00(00)
Max Value
255(FF)
255(FF)
255(FF)
255(FF)
255(FF)
255(FF)
216 Level (85 IRE)
216 Level (85 IRE)
(Fig. 4)  Pattern for Adjustment of White Balance
(Fig. 5) Default Value on OSD
(Fig. 6) Power-off History
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