42 PJ 250
42 PJ 250
42 PJ 250
PLASMA TV
SERVICE MANUAL
CHASSIS : PU01A
CONTENTS ............................................................................................................................... 2
SPECIFICATION.........................................................................................................................4
Copyright ©2010 LG Electronics Inc. All rights reserved. -2- LGE Internal Use Only
Only for training and service purposes
Keep wires away from high voltage or high temperature parts. Leakage Current Hot Check circuit
Due to high vacuum and large surface area of picture tube, AC Volt-meter
extreme care should be used in handling the Picture Tube.
Do not lift the Picture tube by it's Neck.
Copyright ©2010 LG Electronics Inc. All rights reserved. -3- LGE Internal Use Only
Only for training and service purposes
1. Application Range
(1) This spec sheet is applied all of PDP TV with PU01A chassis.
(2) Not included spec and each product spec in this spec sheet apply correspondingly to the following each country
2. Specification
Each part is tested as below without special appointment.
(1) Temperature : 20 °C ± 5 °C
(2) Relative Humidity : 65 % ± 10 %
(3) Power Voltage : Standard input voltage (100 V ~ 240 V @ 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
BOM.
(5) The receiver must be operated for about 5 minutes prior to the adjustment.<-DQA Request
3. Test Method
(1) Performance : LGE TV test method followed.
(2) Demanded other specification
Safety : UL, CSA, IEC,CE specification
EMC : FCC, ICES, IEC, CE specification
Copyright ©2010 LG Electronics Inc. All rights reserved. -4- LGE Internal Use Only
Only for training and service purposes
Copyright ©2010 LG Electronics Inc. All rights reserved. -6- LGE Internal Use Only
Only for training and service purposes
Copyright ©2010 LG Electronics Inc. All rights reserved. -5- LGE Internal Use Only
Only for training and service purposes
Copyright ©2010 LG Electronics Inc. All rights reserved. -7- LGE Internal Use Only
Only for training and service purposes
Copyright ©2010 LG Electronics Inc. All rights reserved. -8- LGE Internal Use Only
Only for training and service purposes
*Download
2. Specification (1) Execute ISP program “Mstar ISP Utility” and then click
“Config” tab.
(1) Because this is not a hot chassis, it is not necessary to use (2) Set as below, and then click “Auto Detect” and check “OK”
an isolation transformer. However, the use of isolation message
transformer will help protect test instrument. If display “Error”, Check connect computer, jig, and set.
(2) Adjustment must be done in the correct order. (3) Click “Connect” tab. If display “Can’t ”, Check connect
(3) The adjustment must be performed in the circumstance of computer, jig, and set.
25 cC ± 5 cC of temperature and 65 % ± 10 % of relative
humidity if there is no specific designation.
(1) (3)
(4) The input voltage of the receiver must keep
100 V ~ 240 V, 50 / 60 Hz.
(5) The receiver must be operated for about 5 minutes prior to
the adjustment when module is in the circumstance of over
15 cC
- In case of keeping module is in the circumstance of 0 cC, (2) OK
vr
it should be placed in the circumstance of above 15 cC for
2 hours
- In case of keeping module is in the circumstance of below
Please Check the Speed :
-20 cC, it should be placed in the circumstance of above To use speed between from 200KHz to 400KHz
15 cC for 3 hours.
(5)
(7) ÉÉÉ.OK
(6)
Copyright ©2010 LG Electronics Inc. All rights reserved. -9- LGE Internal Use Only
Only for training and service purposes
Copyright ©2010 LG Electronics Inc. All rights reserved. - 10 - LGE Internal Use Only
Only for training and service purposes
Target luminance 65
Range 20
Copyright ©2010 LG Electronics Inc. All rights reserved. - 11 - LGE Internal Use Only
Only for training and service purposes
Copyright ©2010 LG Electronics Inc. All rights reserved. - 12 - LGE Internal Use Only
Only for training and service purposes
Copyright ©2010 LG Electronics Inc. All rights reserved. - 13 - LGE Internal Use Only
Only for training and service purposes
Copyright ©2010 LG Electronics Inc. All rights reserved. - 14 - LGE Internal Use Only
Only for training and service purposes
TP_IN1
VSB
VSB
XC5001 LGDT3305
LGDT3305
Flash DDR2
DDR2
Flash
SIF 8MB 64/128MB
64/128MB
8MB
12MHz
- 46 -
UART MAX3232
MAX3232
RS-232C
AV 1 / L/R
AV 2 / L/R Analog
RGB L/R Audio 유선 IR
(6 input) GPIO
COMP1 L/R
COMP2 L/R
Analog
BLOCK DIAGRAM
NL17SZ
NL17SZ TAS5709
TAS5709
SIF
TP
Video
Audio
400
601
900
604
602
520
206
207
204
200
590
501
580
240
201
A12
203
120
205
302
A9
202
304
305
301
A10
303
300
570
LV1
A2