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Service Manual
TOP NEXT ORDER NO. ITD0008011C0 D10

Wide Plasma Display
l

TH-42PW3/TH-42PWD3

GP3D Chassis

Specifications
Power Source: AC 230V 50/60Hz (A B and E version) AC110V 50/60Hz (U version) Power Consumption: 295 W 2.3W (stand-by condition) 1.4W (Main off condition) Terminal: AV Video Input/ Output (BNC) 1.0 Vp-p (75ohm) NTSC PAL PAL-60 SECAM M-NTSC S-Video input (Mini Din 4 pin) Y 1.0 Vp-p (75ohm) C 0.286 Vp-p (75ohm) Audio Component/RGB In (RCA type) Y/G 1.0 Vp-p (including Sync.) PB/B PR/R HD VD PC VGA SVGA XGA SXGA UXGS(Compatible) (High-density D-sub 15 pin) Audio (3.0 mm ) 0.5 Vrms Speakers External speakers Impedance 6 ohm rated input 8 W or more recommended. SERIAL TUNER Display : No. of Pixels No. of Dots Dimensions: Display unit Height Width Depth Weight (Mass) 610 mm 1020 m m 89 mm RS-232C compatible (D-Sub 9PIN) Optional (High-density D-Sub 26PIN) Type 42 inch (106 cm diagonal 16:9)+ RC (W853 x H480) (W 2559 x H 480) ±0.35 Vp-p ±0.35 Vp-p 1.0 - 5.0 Vp-p 1.0 - 5.0 Vp-p 0.5 Vrms (RCA type)

29.5kg net (main unit only) 33.7kg (with speakers)

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8 Adjustment Procedure
TOP PREVIOUS NEXT 8.1 + B Set-up 8.1.1 Item / Preparation 8.1.2 Adjustments 8.2 Driver Set-up 8.2.1 Item / Preparation 8.2.2 Adjustments 8.3 Initialization Pulse Adjust 8.4 P.C.B. (Printed Circuit Board) exchange 8.4.1 Caution 8.4.2 Quick adjustment after P.C.B. exchange 8.5 Adjustment Volume Location 8.6 Test Point Location TOP PREVIOUS NEXT

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8.1 + B Set-up
TOP PREVIOUS NEXT 8.1.1 Item / Preparation 8.1.2 Adjustments TOP PREVIOUS NEXT

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8.1.1 Item/ Preparation
TOP PREVIOUS NEXT 1. Input a Grey scale signal. 2. Set the picture controls: Picture mode: Normal White balance: Normal TOP PREVIOUS NEXT

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8.1.2 Adjustments
TOP PREVIOUS NEXT Adjust and confirm indicated test point for the specified voltage. Adjust
Name Volume Vsus Vda R605 R590 Voltage 170V ± 1V Test Point Remarks P11 pin 2

67V ± 0.5V P12 pin 1

Confirm
Name 15V 15V 12V Voltage Test Point Remarks 15.4V ± 0.5V P23 pin 1 15.2V ± 0.5V P7 pin 1 11.8V ± 0.5V P25 pin 1

Audio 12V 12.5V ± 0.8V P5 pin 7 5V STB 5V Fan 15V Fan 5V PFC 5.1V ± 0.3V 5.0V ± 0.3V P25 pin 5 P27 pin 4

15.4V ± 0.5V P10 pin 1 5.1V ± 0.3V 380V ± 15V P10 pin 4 C468(+), C468(-)

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8.2 Driver Set-up
TOP PREVIOUS NEXT 8.2.1 Item / Preparation 8.2.2 Adjustments TOP PREVIOUS NEXT

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8.2.1 Item/ Preparation
TOP PREVIOUS NEXT 1. Input an APL 100 % white signal. 2. Set the picture controls: Picture mode: Normal White balance: Cool Aspect: 16:9 TOP PREVIOUS NEXT

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8.2.2 Adjustments
TOP PREVIOUS NEXT Adjust driver section voltages referring the panel data on the panel data label.
Name Vsus Vbk Ve Vset Vad Vscn Vda Test Point TPVSUS (SS) TPVBK (SC) TPVE (SS) Voltage 170V ± 1V 155V ± 5V 158V ± 1V Volume R605 (P) R6443 (SC) R6774 (SS) --R6477 (SC) Remarks

TPVSET (SC) 218V ± 6V TPVAD (SC) -90V ± 1V

TPVSCN (SC) Vad*+118V ± 2V --TPVDA (SS) 67V ± 1V R590 (P)

*See the Panel label.

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8.3 Initialization Pulse Adjust
TOP PREVIOUS NEXT 1. Input a Cross hatch signal. 2. Set the picture controls: Picture mode: Normal White balance: Cool Adjust the indicated test point for the specified wave form.
Test point Volume Level

T1 TPSC1 (SC) R6523 (SC) 20 ± 15 Sec T2 TPSS1 (SS) R6557 (SC) 170 ± 20 Sec

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8.4 P.C.B. (Printed Circuit Board) exchange
TOP PREVIOUS NEXT 8.4.1 Caution 8.4.2 Quick adjustment after P.C.B. exchange TOP PREVIOUS NEXT

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8.4.1 Caution
TOP PREVIOUS NEXT 1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors. TOP PREVIOUS NEXT

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8.4.2 Quick adjustment after P.C.B. exchange
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P.C.B. P Board Name Vsus Vda SC Board Vbk Vad Vset Vscn SS Board Ve Test Point TPVSUS (SS) TPVDA (SS) TPVBK (SC) TPVAD (SC) TPVSET (SC) TPVSCN (SC) TPVE (SS) Voltage 170V ± 1V 67V ± 1V 155V ± 5V -90V ± 1V 218V ± 6V Vad + 118 ± 2V 158V ± 1V Volume R605 (P) R590 (P) R6443 (SC) R6477 (SC) ----R6774 (SS) Remarks

D, J Board White blance, Pedestal and Sub brightness for NTSC, PAL, HD, PC and 625i signals

*See the Panel label. TOP PREVIOUS NEXT

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8.5 Adjustment Volume Location
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8.6 Test Point Location
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9 Service mode
TOP PREVIOUS NEXT 9.1 CAT (computer Aided Test) mode 9.1.1 IIC mode 9.1.2 CD mode 9.1.3 SD mode 9.2 IIC mode structure (following items value is sample data.) TOP PREVIOUS NEXT

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9.1 CAT (computer Aided Test) mode
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To exit the CAT mode , access the ID mode and switch off the main power. 9.1.1 IIC mode 9.1.2 CD mode 9.1.3 SD mode TOP PREVIOUS NEXT

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9.1.1 IIC mode
TOP PREVIOUS NEXT Select the IIC mode by Up/Down button on the remote control at the front page of CAT mode then press the Action button on the remote control.

Subject and item are mentioned on page 14. To exit the IIC mode, press the R button on the remote control. TOP PREVIOUS NEXT

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9.1.2 CD mode
TOP PREVIOUS NEXT Select the CD mode by Up/Down button on the remote control at the front page of CAT mode then press the Mute button on the remote control more than 5 sec.

Micom software version (IC9354), this version can be upgrade by 1. replace of new version IC 2. Loading the new version software from loader tool, TZSC07036. Memory data change

To exit the CD mode, press the R button on the remote control. TOP PREVIOUS NEXT

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9.1.3 SD mode
TOP PREVIOUS NEXT Select the SD mode by Up/Down button on the remote control at the front page of CAT mode then press the Action button on the remote control.

To exit the SD mode, press the R button on the remote control. TOP PREVIOUS NEXT

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9.2 IIC mode structure (following items value is sample data.)
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10 Alignment
TOP PREVIOUS NEXT 10.1 Pedestal setting (C) 10.2 Pedestal setting (B) 10.3 NTSC panel white balance 10.4 PAL / SECAM panel white balance 10.5 PC / RGB panel white balance 10.6 HD / 525i / 525p / 625I / 625P panel white balance TOP PREVIOUS NEXT

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10.1 Pedestal setting (C)
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Note: OSD is the difference between UY model and Except UY model. Picture: Normal (Except UY)/Standard (UY model) White balance (Except UY)/Color Temp (UY model) TOP PREVIOUS NEXT

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10.2 Pedestal setting (B)
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Note: OSD is the difference between UY model and Except UY model. Picture: Normal (Except UY)/Standard (UY model) White balance (Except UY)/Color Temp (UY model) TOP PREVIOUS NEXT

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10.3 NTSC panel white balance
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10.4 PAL/ SECAM panel white balance
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10.5 PC/ RGB panel white balance
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10.6 HD/ 525i/ 525p/ 625I/ 625P panel white balance
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11 Trouble shooting guide
TOP PREVIOUS NEXT 11.1 Self Check 11.1.1 Display Indication 11.1.2 Power LED Blinking timing chart 11.2 No Power 11.3 No Picture 11.4 Local screen failure TOP PREVIOUS NEXT

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11.1 Self Check
TOP PREVIOUS NEXT 11.1.1 Display Indication 11.1.2 Power LED Blinking timing chart TOP PREVIOUS NEXT

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11.1.1 Display Indication
TOP PREVIOUS NEXT 1. Self-check is used to automatically check the bus line controlled circuit of the Plasma display. 2. To get into the Self-check mode, press the volume down button on the customer controls at the front of the set, at the same time pressing the OFF-TIMER button on the remote control, and the screen will show :If the CCU ports have been checked and found to be incorrect Or not located then " - - " will appear in place of " OK "

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11.1.2 Power LED Blinking timing chart
TOP PREVIOUS NEXT 1. Subject Information of LED Flashing timing chart. 2. Contents When an abnormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the defective block can be identified by the number of blinkes of the Power LED on the front panel of the unit.

3. Remarks Above Fan function is operated during the fans are installed. TOP PREVIOUS NEXT

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11.2 No Power
TOP PREVIOUS NEXT [First check point] There are following 3 states of No Power indication by power LED. 1. No lit 2. Green is lit then turns red blinking a few seconds later. 3. Only red is lit. 1. No lit

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11.3 No Picture
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11.4 Local screen failure
TOP PREVIOUS NEXT Plasma display may have local area failure on the screen. Fig - 1 is the possible defect P.C.B. for each local area.
Fig - 1

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12 Option Setting
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Hidden Option Menu for GP6D series

GP6D chassis series have special function and operation setting facility called Option Menu. This Option Menu is useful for special function required customers. This should be set at the installation stage. The end user could not set or change these becauseof hidden On screen menu.
Option menus Off-timer function On Screen display Initial Input Initial VOL. level Maximum VOL. Level INPUT lock Button lock Studio W/B Remocon User Level default setting Enable On Off Off Off Off Off Off Off Off-timer operation Enable/Disable. Enable/Disable to display input mode indication after power on and no signal indication. Sets the initial input mode when the power is turned on . Allow input mode selection while power is on. Sets the initial volume level when the power is turned on. Allow Volume control while power is on. Sets the maximum volume to desired level. Volume cannot exceed this level. Fixes the input mode to AV, Component/RGB or PC. Can not change input mode by input selection key. Enable/Disable front operation buttons (Input and/or volume up/down) Set warm mode color temperature to 3,200 Kelvin. Remote key invalidation. Off : Valid key is all key of remote. User1 : Valid key are only Stand-by (ON/OFF), Input, Status, Surround, Sound mute On/Off, and volume adjustment. User2: Valid key is only Stand-by (ON/OFF). User3 : All keys are null and void Set ID number from 001 to 100. Remote ID function On/Off. (While the Remote ID on, standard remote function can not control the unit.) Serial ID function On/Off Sets the slot power mode the power is turned on. Allow Optional Terminal Board insert Slots while power is on. Contents

ID Select Remote ID Serial Slot power

0 to 100 Off Off Off

Note : How to set Remocon User Level and Remote ID off 1. Access service mode (CAT-mode) and press SET UP key on remote. 2. Accsess Hidden option menu. 3. Change Remocon User Level and/ or Remote ID set to Off. TOP PREVIOUS NEXT

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14 Block and Schematic Diagrams
TOP PREVIOUS NEXT 14.1 Schematic Diagram Notes 14.2 Main Block Diagram 14.3 PF-Board Block Diagram 14.4 PF-Board Schematic Diagram 14.5 P-Board Block Diagram 14.6 P-Board (1 of 2) Schematic Diagram 14.7 P-Board (2 of 2) Schematic Diagram 14.8 HX-Board Schematic Diagram 14.9 HY-Board Block Diagram 14.10 HY-Board (1 of 2) Schematic Diagram 14.11 HY-Board (2 of 2) Schematic Diagram 14.12 J-Board Block Diagram 14.13 J-Board (1 of 4) Schematic Diagram 14.14 J-Board (2 of 4) Schematic Diagram 14.15 J-Board (3 of 4) Schematic Diagram 14.16 J-Board (4 of 4) Schematic Diagram 14.17 D-Board Block Diagram 14.18 D-Board (1 of 11) Schematic Diagram 14.19 D-Board (2 of 11) Schematic Diagram 14.20 D-Board (3 of 11) Schematic Diagram 14.21 D-Board (4 of 11) Schematic Diagram 14.22 D-Board (5 of 11) Schematic Diagram 14.23 D-Board (6 of 11) Schematic Diagram 14.24 D-Board (7 of 11) Schematic Diagram

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14.25 D-Board (8 of 11) Schematic Diagram 14.26 D-Board (9 of 11) Schematic Diagram 14.27 D-Board (10 of 11) Schematic Diagram 14.28 D-Board (11 of 11) Schematic Diagram 14.29 C1, C2 and V1-Board Block Diagram 14.30 C1-Board Schematic Diagram 14.31 C2 and V1-Board Schematic Diagram 14.32 SC-Board Block Diagram 14.33 SC-Board (1 of 2) Schematic Diagram 14.34 SC-Board (2 of 2) Schematic Diagram 14.35 SU-Board Block Diagram 14.36 SU-Board Schematic Diagram 14.37 SD-Board Block Diagram 14.38 SD-Board Schematic Diagram 14.39 SS, S1, SS2 and SS3-Board Block Diagram 14.40 SS, S1, SS2 and SS3-Board Schematic Diagram 14.41 Z and H3-Board Block Diagram 14.42 Z and H3-Board (1 of 2) Schematic Diagram 14.43 Z and H3-Board (2 of 2) Schematic Diagram TOP PREVIOUS NEXT

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18 Schematic Diagram for printing with A4
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