Panasonic GPH16DU, Service Manual

Page 1: ...p Plasma HDTV Model No TC P42X60 GPH16DU Chassis For detailed troubleshooting information and circuit explanations refer to the QSM Service Hints Troubleshooting Information TI and Seminar Training Manual Technical Guide TG documents posted on the TSN web site For information about this model type TC P2013 in the model box under Direct Search ...

Page 2: ...ter into Service Mode 9 5 2 Option Mirror 11 6 Troubleshooting Guide 12 7 Disassembly and Assembly Instructions 13 7 1 Disassembly Flow Chart for the Unit 13 7 2 Disassembly Procedure for the Unit 13 8 Measurements and Adjustments 19 8 1 Adjustment 19 9 Block Diagram 21 9 1 Main Block Diagram 21 9 2 Block 1 4 Diagram 22 9 3 Block 2 4 Diagram 23 9 4 Block 3 4 Diagram 24 9 5 Block 4 4 Diagram 25 10 ...

Page 3: ...he jumpered AC plug and each exposed metallic cabinet part on the equipment such as screwheads connectors control shafts etc When the exposed metallic part has a return path to the chassis the reading should be between 1Mohm and 5 2Mohm When the exposed metal does not have a return path to the chassis the reading must be 1 1 2 Leakage Current Hot Check See Figure 1 1 Plug the AC cord directly into...

Page 4: ... of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static ESD protected can generate electrical charge sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a...

Page 5: ...ee solder has a higher melting point than standard solder Typically the melting point is 50 70 F 30 40 C higher Please use a high temperature soldering iron and set it to 700 20 F 370 10 C Pb free solder will tend to splash when heated too high about 1100 F or 600 C If you must use Pb solder please completely remove all of the Pb free solder on the pins or solder area before applying Pb solder If ...

Page 6: ...rd Name Function PSS Power Supply Sustain Drive Non serviceable PSS Board should be exchanged for service A Main AV input processing K Remote receiver Power LED C A T S sensor C1 Data Driver Lower Right C2 Data Driver Lower Left SN Scan Drive ...

Page 7: ...played properly The above signals are reformatted for optimal viewing on your display horizontal frequency kHz vertical frequency Hz 525 480 60i 15 73 59 94 525 480 60p 31 47 59 94 750 720 60p 45 00 59 94 1 125 1 080 60i 33 75 59 94 1 125 1 080 60p 67 43 59 94 1 125 1 080 60p 67 50 60 00 1 125 1 080 24p 26 97 23 98 1 125 1 080 24p 27 00 24 00 ...

Page 8: ...tput 20 W 10 W 10 W 10 THD Channel Capability Digital Analog VHF UHF 2 69 CATV 1 135 Operating Conditions Temperature 32 F 104 F 0 C 40 C Humidity 20 80 RH non condensing Connection Terminals VIDEO IN RCA PIN VIDEO AUDIO L AUDIO R COMPONENT IN RCA PIN Y PB PR AUDIO L AUDIO R HDMI IN 1 2 TYPE A Connector USB USB2 0 Type A connector DIGITAL AUDIO OUT PCM Dolby Digital Fiber Optic OTHERS SD CARD slot...

Page 9: ...within 2 seconds 5 1 2 Key command 1 button Main items Selection in forward direction 2 button Main items Selection in reverse direction 3 button Sub items Selection in forward direction 4 button Sub items Selection in reverse direction VOL button Value of sub items change in forward direction in reverse direction 5 1 3 How to exit Switch off the power with the POWER button on the main unit or the...

Page 10: ...ption Mirror Factory Preset Boot Loader ROM VSUS LOW See Vsus selection AGING ALL WHITE Built in test patterns can be displayed MIDDLE BLUE WITH MAGENTA OUTSIDE FRAME MIDDLE STEP GREEN MIDDLE STEP RED LOW STEP WHITE ALL BLUE ALL GREEN ALL RED WHITE DIAGONAL STRIPE RED DIAGONAL STRIPE GREEN DIAGONAL STRIPE BLUE DIAGONAL STRIPE A ZONE B ZONE 1 WINDOW COLOR BAR 9 POINTS BRIGHT MEASURE 2 DOT OUTSIDE F...

Page 11: ...or up and down 00 Default Normal picture is displayed 01 Picture is reversed left and right 02 Picture is reversed up and down Hint If the defective symptom e g Vertical bar or Horizontal bar is moved by selection of this mirror the possible cause is in A board ...

Page 12: ...rmation and circuit explanations refer to the QSM Service Hints Troubleshooting Information TI and Seminar Training Manual Technical Guide TG documents posted on the TSN web site For information about this model type TC P2013 in the model box under Direct Search ...

Page 13: ...Unit 7 2 1 Remove the Pedestal stand 1 Remove the Plasma panel section from the servicing stand and lay on a flat surface such as a table covered by a soft cloth with the Plasma panel surface facing downward 2 Remove the screws 4 3 Slide the Pedestal stand to the downside and remove the Pedestal stand 7 2 2 Remove the AC cord clamper B 1 Remove the screws 2 and remove the AC cord clamper B ...

Page 14: ...acitors 1 Disconnect the connectors P2 and P35 2 Disconnect the bridge connector A6 P6 3 Disconnect the flexible cables SS53 and SS55A 4 Remove the screws 5 1 1 and remove the PSS Board 7 2 6 Remove the A Board 1 Unlock the cable clampers and the tapes to free the cables 2 Disconnect the connectors A1 and A12 3 Disconnect the bridge connector A6 P6 4 Disconnect the flexible cables A20 and A30 5 Re...

Page 15: ...N25 SN26 SN27 and SN28 connected to the SN Board 2 Disconnect the connector SN2 3 Disconnect the flexible cable SN20 4 Remove the screws 5 and remove the SN Board 7 2 9 Remove the Stand bracket 1 Remove the screws 5 1 and remove the Stand brackets L R 7 2 10 Remove the M8 nut metals 1 Remove the screw 1 each and remove the M8 nut metals 7 2 11 Remove the K Board 1 Remove the screw 1 2 Disconnect t...

Page 16: ... Remove the C2 Board 1 Disconnect the flexible cables CB5 CB6 CB7 and CB8 2 Disconnect the flexible cables C20 and C21 3 Disconnect the connector C25 4 Remove the screws 4 and remove the C2 Board 7 2 16 Replace the Plasma panel Caution Place the Plasma panel on a flat surface of a table covered by a soft cloth and a cushion A new Plasma panel itself without Contact metals is fragile To avoid the d...

Page 17: ...17 7 2 17 EMI processing ...

Page 18: ...18 ...

Page 19: ...s 5 button to display the On Screen Display 3 Press VOL button to set to LOW 4 In LOW setting a If no several dead pixel is visible remarkably in white pattern press 3 button to go to CONF stage b If the several dead pixels are visible remarkably in white pattern Set to HIGH by press VOL button Press 3 button to go to CONF stage if the symptom is improved 5 Press OK button in CONF stage to store L...

Page 20: ...s the values written in table1 5 INNER PATTERN is displayed by using 5 key by using 5 key in the remote controller 6 Select G CUTOFF by using the 3 and 4 key in the remote controller and set the value to 80 by using the volume and key Also B CUTOFF and R CUTOFF set to 80 7 Set G DRIVE value to the initial data ex D0 8 Set the color analyzer and adjust color point to the values written in table1 by...

Page 21: ...TIMES LED 7TIMES LED 10TIMES LED 12TIMES P 1 2V P 5V F15V SCAN CONTROL SPI BUS USB LVDS I F STB5V P 5V P 3 3V DCDC EV5V STB3 3V HDMI I F SOUND_SOS AUDIO K1 SUB1 5V SOS4_PS STB3 3V STM L SUB5V DCDC USB_1 POWER LED DIGITAL AUDIO OUT REMOTE RECEIVER SOS6_SC1 SOS7_SC2 DMD IIC SOS8_SS PANEL_SOS EV5V DDR3 I F C A T S SENSOR A12 SUB5V A20 SUB1 5V SUB5V P 15V SOS7_SC2 KEY1 MAIN AV INPUT PROCESSING SOS4_PS...

Page 22: ...AUDIO DDR3 I F SOS8_SS A12 SUB5V SUSTAIN CONTROL DDC_IIC0 R_OUT 10 3 3V IF_AGC KEY3 AXO KEY1 USB I F DDR1 5V OUT PANEL_MAIN_ON IC8101 SPDIF_OUT REMOTE_IN IC8714 STM_ IIC HDMI_5V_DET0 SUB3 3V 1 HDMI_ARC P 15V 7 IC8705 TUNER_SUB_ON R HDMI2 R HDMI_CEC DRVRST 8 IC4900 IC8005 JK4700 3 SOS4_PS DCDCEN EV5V D3201 6 R_LED_ON IC8602 KEY3 STM_ IIC FE_RST REMOTE_IN IIC0 VCCK1 2V RX0 IC8001 TUNER_SUB_ON 2 3 DD...

Page 23: ...LED 2 SOS_DCC STB3 3V XRST_SYS REMOTE_IN C A T S POWER_DET 29 SC_UHZ C A T S SENSOR D_UHZ DRVRST 1 7 VIDEO DATA 3 REMOTE_IN SOS_DCC FLASH I F SOS6_SC1 REMOTE RECEIVER RM2800 UHZ 7 SUSTAIN CONTROL SD_VCC P 15V CN0100 DISPEN POWER_DET SOS_DCC 5 R_LED_ON PLASMA AI CPG H V Sync Control Sub Filed Processor 1 SCAN DATA BUFFER 6 DRVRST IC9400 01 SUB_AI3 3V P 3 3V P 3 3V DET P 5V 20MHz PANEL_SOS P 1 2V SO...

Page 24: ...ON UVP OVP OCP OVP Vsus Vda Vsus_Vda_ON OPP OPP STBY5V_ON F15V_ON FET SWITCH 15Vs_ON SCP OVP FREQUENCY RANGE 120Khz Ve STB5V F15V 15Vc OCP 15Vs 15Vc STB5V_SW_ON PANEL_MAIN_ON TUNER_SUB_ON SOS4_PS FREQUENCY RANGE 110Khz FREQUENCY RANGE 95Khz Vda C25 Vda 2 1 P35 MID MID P2 SN2 3 4 6 Vsus POWER SW OPERATION KEYS SUSOUT SS 55A 1 2 13 2 SS 53 13 1 PLASMA PANEL PANEL SUSTAIN ELECTRODE PHOTO COUPLER STB5...

Page 25: ...5V BUFFER PDP SCAN D16713 CSH SCAN CONTROL DRIVER BUFFER DRIVER RECOVERY H CLK CSL A20 RECOVERY L P2 T16472 28 SCAN CONTROL Q16402 INVERTER IC16563 Q16441 SN25 SN26 AND CMH NCPH CLK IC16522 BUFFER OC1 CML OC1 IC16521 LED G BUFFER OC2 CEL SUSTAIN L CML NCRC1 CIS NCRC2 P 15V PLASMA PANEL CSL NCEL Q16621 Q16622 SEPA Q16661 IGBT CONTROL IC16921 VFG IC14901 02 IC14903 04 IC14951 52 IC14953 54 CERS 3 4 ...

Page 26: ...Diagram 10 1 Caution statement Caution Please confirm that all flexible cables are assembled correctly Also make sure that they are locked in the connectors Verify by giving the flexible cables a very slight pull 10 2 Wiring 1 ...

Page 27: ...27 10 3 Wiring 2 ...

Page 28: ...28 10 4 Wiring 3 ...

Page 29: ...29 10 5 Wiring 4 ...