Panasonic TH-50PHW6BX Service Manual
Panasonic TH-50PHW6BX Service Manual

Panasonic TH-50PHW6BX Service Manual

High definition plasma display, gph6d2 chassis
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Specifications
Power Source:
AC120V 50/60Hz (UY version)
AC220-240V 50/60Hz
(Except UY version model)
Power Consumption: 445 W
Save off 1.6 W, Save on 0.9 W (stand-by
condition)
(UY version)
Save off 1.9 W, Save on 1.1 W (stand-by
condition)
(Except UY version model)
0.2 W (Power off condition)
(UY version model)
0.4 W (Power off condition)
(Except UY version model)
Plasma Display panel: Drive method AC type
16:9 aspect ratio
Contrast Ratio
3000:1
Screen size:
1,106 mm (W) × 622 mm (H)
1,269 mm (diagonal)
No. of pixels
1,049,088 (1,366 (W) × 768 (H))
[4,098 × 768 dots]
Operating condition:
Temperature
34 °F - 104 °F (0 °C - 40 °C)
Humidity
20 % - 80 %
Horizontal scanning frequency 15 - 110kHz
Vertical scanning frequency 48 - 120Hz
High Definition Plasma Display
TH-50PHW6BX
TH-50PHW6EX
TH-50PHD6EX
TH-50PHD6BX
TH-50PHD6UY
GPH6D2 Chassis
Connection terminals:
AV
Video in
S-VIDEO IN
(MINI DIN 4PIN)
AUDIO IN
(RCA PIN JACK × 2)
COMPONENT/RGB
Y/G
P
/B
B
P
/R
R
HD
VD
AUDIO IN
(RCA PIN JACK×2)
PC
(HIGH-DENSITY
D-SUB15PIN)
AUDIO IN (M3 JACK)
SERIAL
EXTERNAL CONTROL
TERMINAL (D-SUB9PIN)
SPEAKERS (External
speakers) (69 9 9 9 )
© 2003 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. ITD0309034C0
D10 Canada: B07
1.0 Vp-p (75-ohm)
Y: 1 Vp-p (75-ohm), C: 0.286 Vp-p
(75-ohm)
0.5 Vrms (high impedance)
1.0 Vp-p/composite (75-ohm)
0.7 Vp-p/non-composite (75-ohm)
0.7 Vp-p (75-ohm)
0.7 Vp-p (75-ohm)
1.0 - 5.0 Vp-p (high impedance)
1.0 - 5.0 Vp-p (high impedance)
0.5 Vrms (high impedance)
R,G,B/0.7 Vp-p (75-ohm)
HD, VD/1.0 - 5.0 Vp-p (high
impedance)
0.5Vrms (high impedance)
RS-232C COMPATIBLE
16W [8W+8W] (10% THD)
Unauthorized
copying
and

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Summary of Contents for Panasonic TH-50PHW6BX

  • Page 1 ORDER NO. ITD0309034C0 D10 Canada: B07 High Definition Plasma Display TH-50PHW6BX TH-50PHW6EX TH-50PHD6EX TH-50PHD6BX TH-50PHD6UY GPH6D2 Chassis Specifications Power Source: AC120V 50/60Hz (UY version) Connection terminals: AC220-240V 50/60Hz (Except UY version model) Video in 1.0 Vp-p (75-ohm) Power Consumption: 445 W S-VIDEO IN Y: 1 Vp-p (75-ohm), C: 0.286 Vp-p...
  • Page 2: Table Of Contents

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY Dimensions (W×H×D): 1,210 mm × 724 mm 95 mm Weight (Mass) approx. 43.5 kg net (main unit only) approx. 48.1 kg net (with speakers) CONTENTS Page Page 1 Applicable signals 13.9. C3-Board 2 Safety Precautions 13.10.
  • Page 3 TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 14.33. D-Board (10 of 15) Schematic Diagram 14.52. SC-Board (1 of 3) Schematic Diagram 14.34. D-Board (11 of 15) Schematic Diagram 14.53. SC-Board (2 of 3) Schematic Diagram 14.35. D-Board (12 of 15) Schematic Diagram 14.54.
  • Page 4: Applicable Signals

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 1 Applicable signals...
  • Page 5: Safety Precautions

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 2 Safety Precautions 2.1. General Guidelines 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit.
  • Page 6: Prevention Of Electro Static Discharge (Esd) To

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 3 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip"...
  • Page 7: About Lead Free Solder (Pbf)

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 4 About lead free solder (PbF) Note: Lead is listed as (Pb) in the periodic table of elements. In the information below, Pb will refer to Lead solder, and PbF will refer to Lead Free Solder.
  • Page 8: Pcb Structure Sheet Of Gph6D2 Chassis

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 5 PCB Structure sheet of GPH6D2 chassis Board Name Function Remarks Digital Signal Processor Slot Interface & SYNC processor Audio out, DC-DC converter Sustain Out Scan out Sustain connection (Upper) Sustain connection (Lower)
  • Page 9: Service Hint

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 6 Service Hint...
  • Page 10: Location Of Lead Wiring

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 7 Location of Lead Wiring...
  • Page 11: Adjustment Procedure

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 8 Adjustment Procedure 8.1. Driver Set-up 8.1.1. Item / Preparation 1. Input an APL 100 % white signal. 2. Set the picture controls: - Picture mode: Normal White balance: Cool Aspect: 16:9 8.1.2.
  • Page 12: Initialization Pulse Adjust

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 8.2. Initialization Pulse Adjust 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.
  • Page 13: Printed Circuit Board) Exchange

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 8.3. P.C.B. (Printed Circuit Board) exchange 8.3.1. Caution 1. To remove P.C.B. , wait 1 minute after power was off for discharge from electrolysis capacitors. 8.3.2. Quick adjustment after P.C.B. exchange P.C.B.
  • Page 14: Service Mode

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 9 Service mode 9.1. CAT (computer Aided Test) mode To exit the CAT mode, access the ID mode and switch off the main power. 9.1.1. IIC mode 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.
  • Page 15 TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 9.1.2. CD mode 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.
  • Page 16: Iic Mode Structure (Following Items Value Is Sample Data.)

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 9.2. IIC mode structure (following items value is sample data.)
  • Page 17: Alignment

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 10 Alignment 10.1. Pedestal setting (C) INPUT Equipment Setting Alignment menu Procedure ** Adjust at the dark room. RGB(PC) Picture: PANEL W/B Normal R cut off 1) Set R,G and B cut off to " 80 ".
  • Page 18: Pedestal Setting (B)

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 10.2. Pedestal setting (B) INPUT Equipment Setting Alignment menu Procedure ** Adjust at the dark room. RGB(PC) Picture: PANEL W/B Normal R cut off 1) Press the SWAP button, change input to signal path.
  • Page 19: Ntsc Panel White Balance

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 10.3. NTSC panel white balance INPUT Equipment Setting Alignment menu Procedure 1 NTSC Color Picture: 1) Find the nearest area to brightness of 10 cd/m as Low Gray Scale Analyzer Normal Sub Adjust light by color sensor.
  • Page 20: Pal/Secam Panel White Balance

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 10.4. PAL/SECAM panel white balance INPUT Equipment Setting Alignment menu Procedure 1 PAL Color Picture: 1) Find the nearest area to brightness of 10 cd/m as Low Gray Scale Analyzer Normal Sub Adjust light by color sensor.
  • Page 21 TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY Equipment Setting Alignment menu Procedure Picture: 1) Write down each color temaparature of R,G,B drive and Normal Cut off data as follows. Aspect: 16:9 White White balance: Balance Cool Normal Warm...
  • Page 22: Pc/Rgb Panel White Balance

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 10.5. PC/RGB panel white balance INPUT Equipment Setting Alignment menu Procedure 1 PC Color Picture: 1) Find the nearest area to brightness of 10 cd/m as Low Gray Scale Analyzer Normal Sub Adjust light by color sensor.
  • Page 23 TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY INPUT Equipment Setting Alignment menu Procedure Picture: 1) Write down each color temaparature of R,G,B drive and Normal Cut off data as follows. Aspect: 16:9 White White balance: Balance Cool Normal...
  • Page 24: Hd/ 525I /525P /625I /625P Panel White Balance

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 10.6. HD/ 525i /525p /625I /625P panel white balance INPUT Equipment Setting Alignment menu Procedure (720i or 1080i) Color Picture: 1) Find the nearest area to brightness of 10 cd/m as Low...
  • Page 25 TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY INPUT Equipment Setting Alignment menu Procedure Picture: 1) Write down each color temaparature of R,G,B drive and Normal Cut off data as follows. Aspect: 16:9 White White balance: Balance Cool Normal...
  • Page 26: Trouble Shooting Guide

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 11 Trouble shooting guide 11.1. Self Check 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...
  • Page 27 TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 11.2.2. Power LED no light...
  • Page 28: No Picture

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 11.3. No Picture 11.4. Local screen failure 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...
  • Page 29: Option Setting

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 12 Option Setting 12.1. How to access and setting How to access the Option menu...
  • Page 30: Contents Of Option Menu

    TH-50PHW6BX / TH-50PHW6EX / TH-50PHD6EX / TH-50PHD6BX / TH-50PHD6UY 12.2. Contents of Option Menu This 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 because of hidden On screen menu.

This manual is also suitable for:

Th-50phw6exTh-50phd6exTh-50phd6bxTh-50phd6uy

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