DOWNLOAD LG 32PC51-ZB (CHASSIS:PP78C) Service Manual ↓ Size: 8.93 MB | Pages: 26 in PDF or view online for FREE

- 9 -

Before PCB check, have to change the Tool option and Area option.
Option values are below.
(If on changed the option, the input menu can differ the model spec.)
The input methods are same as other chassises.(Use adj Key
on the Adjust Remocon)

(1) tuning the RF signal

ZB, TB/TD : PAL Philips Pattern (with Color Bar)

(2) push the “adj” key in the adjustment remocon.

<EDID Data Analog Set : 128Bytes >

<EDID Data HDMI1 Set : 256Bytes >

<EDID Data HDMI2 Set : 256Bytes >

=> Detail EDID Options are below([1],[2],[3],[4],[5])

1. [1]-Product ID

2. [2]-Serial No :  Controlled on production line
3. [3]-Month, Year : Controlled on production line

ex) Monthly: '03'   =>  '03' 

Year:  '2005' =>  '0F'

4. [4]-Model Name :  model name -> LG TV

- LG TV

5. [5]-Checksum (7EH) -> Changeable by total EDID data.

- Use the proper signal cable for EDID Download.
- Never connect HDMI & D-SUB Cable at the same time.
- Use the proper cables below for EDID Writ.

32(VGA)

Area Option

Tool Option

ZB

TB/TD

04164

Depend on PR

For RGB EDID

For HDMI EDID

No

1

2

3

Item

Manufacturer ID

Version

Revision

Condition

GSM

Digital : 1

Digital : 2

Hex Data

1E6D

01

03

2D

Model

Name

32PC5R

32PC51

DEC

30168(A)

30169(D)

30176(A)

30177(D)

Product ID

HEX

75D8

75D9

75E0

75E1

EDID table

D875

D975

E075

E175

32PC5R

00 00 00 FD 00 3A 3F 1F 32 09 00 0A 20 20 20 20 20 20

Model Name

Model Name(HEX)

- 10 -

(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.

(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 S/W option.

(4) Power on the Set.

(1) DDC data of Analog-RGB

1) Init the data.

2) Load the EDID data.(Open File).

[ Analog-RGB   : PP78C_RGB.ANA ]
[ Digital-HDMI1 : PP78C_HDMI1.DVI ]
[ Digital-HDMI2 : PP78C_HDMI2.DVI ]

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.

(Fig. 2) Connection Diagram of DDC download

Open File

Open File

- 11 -

(1)  Purpose  :  Adjust  the  color  temperature  to  reduce  the

deviation of the module color temperature.

(2)  Principle  :  To  adjust  the  white  balance  without  the

saturation,  Fix  the  one  of  R/G/B  gain  to  80  and  decrease
the others.

:  Two  modes  of  Cool  and  Warm.(Medium  data  is

automatically calibrated by the cool data)

(1) Remote control for adjustment.
(2) Color Analyzer : CA-100+, CA210 or same product.

- Plasma TV(ch : 10)

(3) Auto W/B adjustment instrument.(only for Auto adjustment)

(1) Enter the DDC adjust mode.

-  Enter  the  white  balance  adjustment  mode  at  the  same

time heat-run mode when pushing the power on by power
only key.

-  Maintain  the  white  balance  adjustment  mode  with  same

condition of Heat-run.

-> Maintain after AC off/on in status of Heat-run pattern display.

(2) Release the DDC adjust mode.

- Release the adjust mode after AC off/on or std-by off/on

in status of finishing the Hear-run mode.

-  Release  the  Adjust  mode  when  receiving  the  aging  off

command(F3 00 00) from adjustment equipment.

-  Need  to  transmit  the  aging  off  command  to  TV  set  after

finishing the adjustment.

*  Standard  color  coordinate  and  temperature  when  using  the

CA-100+ or CA210 equipment.

* Synchronization relation between PSM and CSM.

(3) DDC adjustment support command set.

* R/G/B GAIN max value : 80

-  Adjustment  mode  :  Two  modes  of  Cool  (Dynamic)  and

Warm(Mild).
(Medium data is automatically calibrated by the cool data)

-  Color  analyzer(CA110,  CA210)  should  be  used  in  the

calibrated ch by CS-1000.(PDP : CH10)

- Operate the zero-calibration of the CA-110 or CA-210, then

stick sensor to the module when adjusting.

-  For  manual  adjustment,  it  is  also  possible  by  the  following

sequence.

(1)  Select  RF  no  signal  by  pressing  “POWER  ON” key  on

remote  control  for  adjustment  then  operate  heat  run  more
than 15 minutes. 

(If not executed this step, the condition for W/B will be differ.)
(2) Changing to the av mode by pushing the input or front av

key.(av mode : av1 or av2 or av3)

(3) Display the internal pattern of the VCT-Pro IC by pushing

the IN-START.

(4) 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.

(5) Adjust R Gain / B Gain using 

F

/

G

(VOL+/-) key on R/C.

(6)  Adjust  two  modes  of  Cool(Dynamic)  and  Warm(Mild)  as

below figure.
(Fix the one of R/G/B and change the others)
1. Push the one time the in-start key : Dynamic(Cool)
2. Push the two more the in-start key : Mild(Warm)

Color Coordinate

x

y 

0.283±0.003

0.295±0.003

0.329±0.003

11,000K

9,300K

6,500K

0.000

0.000

0.003

0.276±0.003

0.283±0.003

0.313±0.003

COOL

MEDIUM

WARM

Mode

Temp

uv

CSM

Remark

Cool

Normal

Warm

Dynamic

Standard

Mild

PSM

Adjustment

Aging On/Off

Input select

R GAIN

G GAIN

B GAIN

R GAIN

G GAIN

B GAIN

R GAIN

G GAIN

B GAIN

CMD(HEX)

F3

F4

16

18

1A

16

18

1A

16

18

1A

ADR

00

00

00

01

02

VALUE

FF/00

00 - FE

00 - FE

00 - FE

00 - FE

00 - FE

00 - FE

00 - FE

00 - FE

00 - FE

Detail

OO : OFF

01  : ON

FF  : WB Ready

0x10 : TV

0x20 : AV1

0x21 : AV2

0x23 : AV3

0x40 : Component1

0x50 : RGB DTV

0x60 : RGB PC

0x90 : HDMI1 DTV

GAIN adjustment

CSM COOL

GAIN adjustment

CSM NORMAL

GAIN adjustment

CSM WARM

- 12 -

* Refer to the below case to know what value is fixed.

* CASE

- First adjust the coordinate much away from the target

value(x, y).

1) x, y > target

(1) Decrease the R, G. 

2) x, y <  target

(1) First decrease the B gain.
(2) Decrease the one of the others.

- In case of decreasing the x, decreasing the R : fix G
- In case of decreasing the y , decreasing the G : fix R

3) x  > target ,  y < target

(1)  First  decrease  B,  so  make  y  a  little  more  than  the

target.

(2) Adjust x value by decreasing the R.

4) x < target ,  y > target

(1)  First  decrease  B,  so  make  x  a  little  more  than  the

target.

(2) Adjust x value by decreasing the G.

(7)  When  adjustment  is  completed,  Exit  adjustment  mode

using EXIT key on R/C.

(Va, Vs Voltage adjustments)

: To supply the Va, Vs voltage that the module want.

(1) Stick for adjustment.
(2) DMM.

: refer to (Fig. 1)

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  VR901,voltage  of  D.M.M  adjustment  as

same  as  Va  voltage  which  on  label  of  panel  right/top.
(deviation; 

±0.5V)

1) Connect + terminal of D. M..M. to Vs pin of P812, connect

-terminal to GND pin of P812.

2)  After  turning  VR851,  voltage  of  D.M.M  adjustment  as

same  as  Vs  voltage  which  on  label  of  panel  right/top.
(deviation ; 

±0.5V)

(1) Push the ADJ key in a Adjust Remote control.
(2)  Input  the  Option  Number  that  was  specified  in  the  BOM,

into the Shipping area.

(3) The work is finished, Push 

A

Key.

Item

Dielectric Voltage (AC <-> FG)

Dielectric Voltage (Without FG)

Value

1.5

1.5

3

3

Unit

kV

kV

Remark

At 100mA for 1sec (Line)

At 100mA for 1min (OQC)

At 100mA for 1sec (Line)

At 100mA for 1min (OQC)

Item

Min

Typ

Max

Unit

Remark

Audio Practical Max Output, L(Mono)/R

9

10

12

W

<Default Value on OSD>

Color Coordinate

x

y 

0.283±0.003

0.295±0.003

0.329±0.003

11,000K

9,300K

6,500K

0.000

0.000

0.003

0.276±0.003

0.283±0.003

0.313±0.003

COOL

MEDIUM

WARM

Mode

Temp

uv

(Fig. 1) Connection Diagram of power adjustment for measuring.

Each PCB assembly must be checked by check JIG set.
(Because  power  PCB  Assembly  damages  to  PDP  Module,
especially be careful)