Page 1 PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936...
Page 2: Safety Information
Therefore, the following checks should be performed for the continued protection of the customer and servicetechnician. PDP-4280HD...
Page 3 PRODUCT SAFETY NOTICE With the AC plug removed from an AC power source, place a Many electrical and mechanical parts in PIONEER set have jumper across the two plug prongs. Turn the AC power switch on. special safety related characteristics. These are often not evident...
Page 4 To protect products from damages or failures during transit, the shipping mode should be set or the shipping screws should be installed before shipment. Please be sure to follow this method especially if it is specified in this manual. PDP-4280HD...
Page 5: Table Of Contents
5.5.2 FUNCTION OF DECREASING THE BRIGHTNESS LEVEL ................. 73 5.6 OUTLINE OF THE OPERATION ..........................74 5.6.1 PANEL DRIVE-POWER ON / OFF FUNCTION ..................... 74 5.6.2 SPECIFICATION OF THE FAN CONTROL......................75 5.6.3 PROCESSING IN ABNORMALITY ........................76 5.6.4 TRAP SWITCH............................... 79 PDP-4280HD...
Page 6 10.1 PACKING SECTION ..............................158 10.2 REAR SECTION ...............................160 10.3 FRONT SECTION..............................162 10.4 CHASSIS SECTION (1/2) ............................164 10.5 CHASSIS SECTION (2/2) ............................166 10.6 PANEL CHASSIS SECTION .............................168 10.7 MULTI BASE SECTION ............................170 10.8 PDP SERVICE ASSY 428 ............................172 10.9 TABLE TOP STAND ..............................174 PDP-4280HD...
Page 7: Service Precautions
Compared with eutectic solders, lead-free solders have higher bond strengths but slower wetting times and higher melting temperatures (hard to melt/easy to harden). The following lead-free solders are available as service parts: • Parts numbers of lead-free solder: GYP1006 1.0 in dia. GYP1007 0.6 in dia. GYP1008 0.3 in dia. PDP-4280HD...
Page 8: Charged Section And High Voltage Generating Point
: Part is the High Voltage Generating Points other than the Charged Section. 42 SCAN B Assy 42 Y DRIVE Assy POWER SUPPLY Unit 42 X DRIVE Assy Conductive plate X 42 SCAN A Assy AC inlet Power switch Fig. High Voltage Generating Point (Rear view) PDP-4280HD...
Page 9: Specifications
Remote control unit Band assy (AXD1550) (AXY1192) Screw: ×2 Plastic band: ×2 Power cord (2 m/6.6 feet) Alkaline dry cell battery (LR6, AA) (ADG1215) Binder Assy (AEC1908) Speed clamp: ×3 Bead band: ×3 Cleaning cloth (AED1285) Warranty card Operating instructions (ARE1471) PDP-4280HD...
Page 10: Specifications
2.2 SPECIFICATIONS Dimensions PDP-4280HD...
Page 11: Panel Facilities
2.3 PANEL FACILITIES Front Section PDP-4280HD...
Page 12 Rear Section PDP-4280HD...
Page 13 Remote Control Unit PDP-4280HD...
Page 14: Basic Items For Service
Item to be checked regarding video Item to be checked regarding audio Block noise Distortion Horizontal noise Noise Dot noise Volume too low Disturbed image (video jumpiness) Volume too high Too dark Volume fluctuating Too bright Sound interrupted Mottled color PDP-4280HD...
Page 15: Quick Reference
[ ] seven times.) 2. Press [ENTER/SET], then select a Mask indication, using [ ] or [ ]. Press [ ] to select "CLEAR". Hold [ENTER/SET] pressed for at least 5 seconds. After clearance is completed, "ETC" is automatically selected. PDP-4280HD...
Page 16 50. PTN MASK 49 11. COMBI MASK SETUP (+) 1. MASK OFF 2. CMB MASK 01 For use while Combination Mask is displayed. • • • • • Use [i] or [j] to select the type of mask. 18. CMB MASK 17 PDP-4280HD...
Page 17: Pcb Location
42 X DRIVE ASSY AWV2452 POD ASSY AWW1295 42 Y DRIVE ASSY AWW1262 > XGA POWER SW ASSY AWW1261 POWER SUPPLY UNIT AXY1157 42 DIGITAL ASSY AWW1271 PDP SERVICE ASSY 428 AWU1276 SENSOR ASSY AWW1272 > MAIN ASSY AWV2455 PDP-4280HD...
Page 18: Cleaning
3.4 CLEANING Name Part No. Remarks Cleaning liquid GEM1004 Used to fan cleaning. Refer to “10.4 CHASSIS SECTION (1/2)”. Cleaning paper GED-008 PDP-4280HD...
Page 19 PDP-4280HD...
Page 20: Block Diagram
4. BLOCK DIAGRAM 4.1 OVERALL WIRING DIAGRAM (1/2) PDP-4280HD...
Page 21 When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. PDP-4280HD...
Page 22: Overall Wiring Diagram (2/2)
4.2 OVERALL WIRING DIAGRAM (2/2) PDP-4280HD...
Page 23 PDP-4280HD...
Page 24: Overall Block Diagram (1/2)
R/G/B CLK / LE / HBLK / LBLK CLK / LE / HBLK / LBLK IC1551 IC1554 IC1554 IC1553 IC1552 IC1553 IC1552 IC1551 DRIVER IC DRIVER IC DRIVER IC DRIVER IC DRIVER IC DRIVER IC DRIVER IC DRIVER IC PDP-4280HD...
Page 25 R/G/B CLK / LE / HBLK / LBLK CLK / LE / HBLK / LBLK IC1554 IC1553 IC1552 IC1551 IC1554 IC1553 IC1552 IC1551 DRIVER IC DRIVER IC DRIVER IC DRIVER IC DRIVER IC DRIVER IC DRIVER IC DRIVER IC PDP-4280HD...
Page 26: Overall Block Diagram (2/2)
I2S_SDATA_DTV SPDIF_DTV I2S_BCLK_HDMI I2S_LRCLK_HDMI I2S_SDATA_HDMI SPDIF_HDMI TXD_SR+ RXD_SR+ SR_OUT LED_ON1/ON2/OFF IC8301 TXD/RXD AGC1037- RS232C 232C_DET TXD_IF/RXD_IF (IF UCOM) RST3 IC9201 TAS5122DCA-TBB (D-AMP) TXD/RXD_DT IC7001 42RLS&IR ASSY TC90173FG KEY_AD1/AD2 IC6301 SIDE KEY ASSY IC6401 BCM3517 BCM7038 POD Card POD ASSY PDP-4280HD...
Page 27 UPD61123F1 (EMMA2SV) IC5101 CXB1442 FAN_ON1/CONT1 FAN_ON2/CONT2 (HDMI SW) IC4310 IC4303 A0 - 19 PQ200WNA1ZPH PQ200WNA1ZPH DQ0 - 15 (FAN CONTROL) (FAN CONTROL) IC8402 AGC1039- (FLASH) Input4 Input5 Input6 Input7 HDMI HDMI HDMI HDMI TRAP SW TRAP SW 42/60LED ASSY PDP-4280HD...
Page 28: Power Supply Unit
4.5 POWER SUPPLY UNIT POWER SUPPLY UNIT PDP-4280HD...
Page 29: Drive Assy
VSUS +16.5V REGULATOR +16.5 VSUS XPRST +16.5 PSUS +16.5V SOFT-D VSUS Gate Signal Drive Signal PreDrive BLOCK +16.5V Drive Signal LOGIC PSUS RESONANCE BLOCK BLOCK +16.5 Drive Signal PSUS OFFSET BLOCK VPOFS VXKOFS1 VXKOFS2 VSUS OFFSET Reg. VADR BLOCK PDP-4280HD...
Page 30: Drive, 42 Scan A And B Assys
KNOFS1 VADR VH IC5V KNOFS3 BLOCK IC5V/VF DC/DC DC/DC IC5V Scan IC BLOCK CONV. CONV. IC2804 VADR Photo Coupler Scan Signal VH IC5V BLOCK IC5V Scan IC IC2805 VH IC5V Scan IC IC2806 42 SCAN A ASSY (LOW SIDE) PDP-4280HD...
Page 31: Power Supply Block Of 42 X, Y Drive And 42 Scan A, B Assys
Reg. YKOFS drive Note: VYPRST, VSNOFS, VYKOFS12, VYKOFS3, VYKOFS4 YKOFS VYKOF and VXKOFS2 voltages are electrical volume controls. drive Reg. YKOFS VYKOF drive Reg. RST-D drive SOFT-G drive Scan Logic IC5V Scan IC 42 SCAN A, B ASSYS PDP-4280HD...
Page 32: Address Assy
RESONANC E RESONANC E RESONANC E RESONANC E BLOC K BLOC K BLOC K BLOC K IC 1501 LVDS V+5V VADR Receiver AN/ P BN/ P V+8V V+3V C N/ P DN/ P C LKN/ P C N1501 C N1502 PDP-4280HD...
Page 33: Digital And Sensor Assys
DRF _B M_SW_DET EXT _PD V+3VEEP V+3VEEP A C _DET V SUS_ADJ IC 3602 DD - C ONV BD9302F P IC3652 IC3651 EEPROM V+12V V+8V SENSOR (Backup) V+12V V+3VEEP V+3VEEP IC 3601 8V REG BA80BC 0WF P POWER SUPPLY UNIT PDP-4280HD...
Page 34: Main Assy (Dtv Block Diagram)
BCM3517 KQLGB0-K SPDIF out I2S out [IC6301] HSX_0 I2C0 SDRAM [IC6602] 256Mbit [12bit] 1Chip System IC To ARIA SDRAM BCM7038KPB1G-B2-K [IC6603] [IC6401] 256 Mbit YUV(656) [8bit] From VDEC SDRAM [IC6604] 256Mbit SDRAM [IC6605] 256 Mbit UARTA VBI_Y From AV_SW PDP-4280HD...
Page 35 PDP-4280HD...
Page 36: Power Supply Block Of Main Assy
LTC 3407 IC4501 IC4401 DD com. 3.3V-REG for EMMA (V+2_5V_UCOM) (V+3_3V_A) V+2_5V_UCOM V+3_3V_A_ADC LTC3407-2 NJM2846DL3-33 V+2_5V_UCOM_DDR Q4416 FET Switch IC4501 (V+3_3V_A_VDEC) V+3_3V_A_VDEC DD com. RTQ040P02 for EMMA (V+1_5V_UCOM) V+1_5V_UCOM LTC3407-1 IC4404 DD com. for 7038, 3517 (V+1_2V_D) V+1_2V_D_7038 LTC3416 V+1_2V_D_3517 PDP-4280HD...
Page 37 FET Switch (V+2_5V_D) V+2_5V_D_7038 (V+1_8V_A_VDEC) V+1_8V_A_VDEC BD8602FV-3/ MCH3406 SP8M4 V+2_5V_D_7038_DDR V+2_5V_D_3517 Q4411 FET Switch (V+2_5V_D2) V+2_5V_D2_ARIA RSS100N03 V+2_5V_D2_ARIA_DDR Q4514 FET Switch (V+3_3V_D2) V+2_5V_UCOM_VBI RTQ040P02 IC4403 IC4106 3ch DD com. 1.5V-REG for ARIA V+1_2V_D2_ARIA (V+1_2V_D2) (V+1_5V_VDEC) V+1_5V_UCOM_VBI BD8602FV-3/ NJM2886DL3-15 RSS100N03 RSS090P03 PDP-4280HD...
Page 38: Tanshi Assy
MAIN ASSY INPUT2 INPUT3 INPUT4 INPUT5 PC AUDIO SCL_AV INPUT3(YPbPr) DETECT SDA_AV for SIDE ASSY BLOCK RST_MSP SPDIF_DTV I2S_DTV INPUT3(AUDIO,CVBS) SPDIF_HDMI for SIDE ASSY A_NG_B for MAIN ASSY R OUT L OUT SP TERMINAL 42 inch only 50 inch only PDP-4280HD...
Page 39: 42/60Led And 42Rls&Ir Assys
4.14 42/60LED and 42RLS&IR ASSYS PDP-4280HD...
Page 40: Power Supply Block Of 42Rls&Ir And Side Key Assys
4.15 POWER SUPPLY BLOCK of 42RLS&IR and SIDE KEY ASSYS 42RLS&IR ASSY IC9752 V+5_1V_STB SBX3050-01 OP AMP V+3_3V_UCOM IC9753 MM3012XN IC9754 AMS114YD01 SIDE KEY ASSY V+3_3V_STB S9501 to S9507 PDP-4280HD...
Page 41: Diagnosis
During factory operation Trap switch During DTV Module 100ms software downloading 100ms Downloading of DTV Module software is 500ms 500ms 500ms 500ms 500ms finished normally. Downloading of DTV Module software is abnormally finished. 500ms 500ms 500ms 500ms 500ms Sleep timer PDP-4280HD...
Page 42: Power On Sequence
2 : The IF microcomputer sends the operation data of the remote control unit (or KEY) to the main microcomputer. 3 : The main microcomputer issues a startup command (PON) to the MOD microcomputer. 4 : The relay is controlled with logical OR interpretation of control signals by the main microcomputer and module (MOD) microcomputer. PDP-4280HD...
Page 43: Details Of Power On Sequence
Scan DRIVE DCDC/REG DRIVE/SCAN Sensor The user operation with the remote control unit is invalid. (All LED: OFF) Standby power device and some Vcc power devices operate. RGB-SW/AD/D-AMP/MAP are electrified, but uses the power-saving mode function of the IC. PDP-4280HD...
Page 44 Module_ EEPROM V+6.5V ucom V+5.1V Vsus Vadr Digital DRF_B VSUS VADR X/Y Drive Address BAK_EEP ASIC ADDRESS Scan DRIVE DCDC/REG DRIVE/SCAN Sensor A state when it displays a picture on the PDP. (Blue LED: ON) All devices are electrified. PDP-4280HD...
Page 45: Diagnosis Flowchart Of Failure Analysis
Is there any local abnormality Is the abnormality associated Replace the panel chassis. with a single scan line? on the screen? with one ADDRESS or one TCP? Failure analysis for the Failure analysis for the drive system => DR3 drive system => DR4 PDP-4280HD...
Page 46 Is an external video signal MAIN Assy => MA3 displayed properly? Problems concerning the audio output No Failure analysis for the Is the audio signal output? audio system => AU1 Specific failure whose cause is difficult to identify in the initial stage PDP-4280HD...
Page 47: Power Supply Unit
Replace the POWER SUPPLY 200 and 210 V (VSU: 125/35°C). specified range? Unit. The ripple must be within 10 V. Replace the POWER SUPPLY Is there a fluctuation in the Unit. VSUS voltage? The POWER SUPPLY Unit is normal. PDP-4280HD...
Page 48: Drive Assy
Properly connect the panel FPC Replace the FFC cables. Is the input signal normal? connectors properly connected to and SCAN Assys connectors. the X/Y DRIVE Assys? Replace the panel chassis. Replace the X/Y DRIVE Assys. Replace the DIGITAL Assy. PDP-4280HD...
Page 49 Is the input signal normal? Replace the FFC cables. (See the oscilloscope photos.) Replace the DIGITAL Assy. Is the waveform of the control signal from the SCAN Assy normal? Replace the Y DRIVE Assy. (See the oscilloscope photos.) Replace the SCAN IC. PDP-4280HD...
Page 50 Are all the connectors properly Reconnect the connectors. connected? Is the TCP control signal normal? Is the input signal normal? (See the oscilloscope photos.) (See the oscilloscope photos.) Replace the panel chassis. Replace the FFC cables. Replace the DIGITAL Assy. PDP-4280HD...
Page 51 Is the waveform of the SCAN IC Replace the Y DRIVE Assy. control signal from the Y DRIVE Assy normal? Replace the SCAN IC. Replace the panel chassis. PDP-4280HD...
Page 52: Digital Assy
Replace the MAIN Assy. Replace the MAIN Assy. Is the indication position correct? It is most likely that the sync signal is abnormal. Is the tone correct? It is most likely that the video signal data are missing. Replace the MAIN Assy. PDP-4280HD...
Page 53: Main Assy
SIDE KEY and MAIN Assys. Can the unit be turned on, using Replace the MAIN Assy. Replace the MAIN Assy. RS-232C commands? Failure in the RS-232C driver and its peripheral circuits Failure in the Main microcomputer. Replace the MAIN Assy. PDP-4280HD...
Page 54: Video System
Replace the MAIN Assy. Is the sync signal input to IC8001? Replace the MAIN Assy. Replace the MAIN Assy. Is the selected input signal a => USB_E / USB_R USB signal? No problem with the MAIN Assy PDP-4280HD...
Page 55 IC4801 - pin 22 (S-video) IC4801 - pin 26 (S-video) V: 500 mV/div H: 20 μsec/div V: 500 mV/div H: 20 μsec/div V: 500 mV/div H: 20 μsec/div V: 500 mV/div H: 20 μsec/div V: 500 mV/div H: 20 μsec/div PDP-4280HD...
Page 56 IC4801 - pin 22 (S-video) IC4801 - pin 26 (S-video) V: 500 mV/div H: 20 μsec/div V: 500 mV/div H: 20 μsec/div V: 500 mV/div H: 20 μsec/div V: 500 mV/div H: 20 μsec/div V: 500 mV/div H: 20 μsec/div PDP-4280HD...
Page 57 IC5001 - pin 48 (PC) IC5001 - pin 54 (component) IC5001 - pin 54 (PC) V: 500 mV/div H: 10 μsec/div V: 500 mV/div H: 20 μsec/div V: 500 mV/div H: 20 μsec/div V: 500 mV/div H: 20 μsec/div PDP-4280HD...
Page 58 IC5001 - pin 54 (component) IC5001 - pin 54 (PC) V: 500 mV/div H: 20 μsec/div V: 500 mV/div H: 10 μsec/div V: 500 mV/div H: 20 μsec/div V: 500 mV/div H: 20 μsec/div V: 500 mV/div H: 20 μsec/div PDP-4280HD...
Page 59 Is the signal from IC6401 to Check between IC6401 and IC8001? IC8001. If there is no problem then replace IC6401. Has the symptom been settled The panel is defective. when the MAIN Assy is replaced? Replace the MAIN Assy. PDP-4280HD...
Page 60: Audio System
Check the peripheral circuits and the communication with the (pins 2, 3, 5, 6) microcomputer. If there was no ploblem replace the MAP5601M. 49 50 Are signals output from IC9151? Check the IC9151 and peripheral circuit. (pins 1, 7) Repair the failure points. PDP-4280HD...
Page 61 V: 2 V/div H: 1 mS/div V: 2 V/div H: 1 mS/div V: 2 V/div H: 1 mS/div IC9101 - pins 38, 39 IC8871 - pins 1, 7 V: 1 V/div H: 1 mS/div V: 1 V/div H: 1 mS/div PDP-4280HD...
Page 62 IC5201 - pin 78 IC9101 - pin 106 IC9101 - pin 107 IC9101 - pin 108 V: 1 V/div H: 1 μS/div V: 1 V/div H: 10 μS/div V: 1 V/div H: 10 μS/div V: 1 V/div H: 10 μS/div PDP-4280HD...
Page 63: Diagnosis Of Pd (Power-Down)
5.3 DIAGNOSIS OF PD (POWER-DOWN) 5.3.1 BLOCK DIAGRAM OF THE POWER-DOWN SIGNAL Block Diagram of the Power-Down Signal PDP-4280HD...
Page 64: Pd (Power-Down) Diagnosis Of Failure Analysis
X-DCDC X DRIVE Assy VXKOFS1 UVP X OFFSET BLOCK Q1301,Q1303 VXKOFS2 Regulator Q1405,Q1406,IC1402 VXKOFS2 UVP X OFFSET BLOCK Q1302,Q1304 Center electric potential Q1108,Q1109,Q1110,Q1112, X-SUS X DRIVE Assy X RESONANCE BLOCK detection PD D1106,D1107,D1110,D1111 UVP: Under Voltage Protect , OVP: Over Voltage Protect PDP-4280HD...
Page 65 CN2303, ADDRESS Assy CN2304 CN2501, SCAN A, B Assy 4 (SCN-5V) CN2502 CN2801, SCAN A, B Assy Y DRIVE Assy 4 (SCN-5V) CN2901 CN1501 DIGITAL Assy 8 (ADRS) ADDRESS Assy X DRIVE Assy, CN1502 8 (ADRS) Y DRIVE Assy PDP-4280HD...
Page 66 Increase or decrease IC5V SCN5V_PD voltage detection DCDC converter drive stop SCAN Hi Unconnect SCAN Low Unconnect YDRV_PD Y_CN Decrease voltage 15VDD detection VNOFS VKOFS1_2 Decrease voltage YDD_PD detection VKOFS3 VKOFS4 Decrease voltage VPRST detection Increase or decrease SCAN_PD voltage detection PDP-4280HD...
Page 67: Diagnosis Of Sd (Shutdown)
5.4 DIAGNOSIS OF SD (SHUTDOWN) 5.4.1 BLOCK DIAGRAM OF THE SHUTDOWN SIGNAL Block Diagram of the Shutdown Signal PDP-4280HD...
Page 68: Sd (Shutdown) Diagnosis
5.4.2 SD (SHUTDOWN) DIAGNOSIS PDP-4280HD...
Page 69 PDP-4280HD...
Page 70: Non-Failure Information
In a case of color difference 4:2:2, Y, Cb, and Cr use 12 bits each, but Cb and Cr are transmitted at a half sampling rate of Y. This unit is capable of processing the upper 10 bits out of 12 bits of video data. Recent high-end DVD players, such as Pioneer DV-79AVi, are capable of outputting 10-bit color-difference signals.
Page 71 " Confirmation of the manufacturer of the connected equipment Check if the connected equipment was manufactured by Pioneer and if it supports the HDMI Control function. If its manufacturer is not Pioneer, proper operations are not guaranteed.
Page 72 • "Power On Test" or "Power Off Test" cannot be selected (the items are grayed) • The connected device cannot be turned on/off. In some cases, an operation check using another HDMI input connector may be required in order to narrow down the cause. PDP-4280HD...
Page 73: Function Of Decreasing The Brightness Level
Detection example: Protection against panel cracking 70 °C. High-temperature protection function 2 The count of plasma discharge with regard to the APL will be decreased if the panel temperature becomes 65 °C or higher. APL (average picture level) PDP-4280HD...
Page 74: Outline Of The Operation
(The panel drive-power OFF state remains in effect even if the main power switch is set to OFF after that command is sent.) When the panel drive-power is ON When the panel drive-power is OFF POWER SUPPLY Unit POWER SUPPLY Unit DRF-SW-B DRF-SW-B (TEST PIN) (TEST PIN) Alligator clip Multi base Multi base PDP-4280HD...
Page 75: Specification Of The Fan Control
• The operating temperature of the fan is higher than the ambient temperature, because the sensor temperature is read by the microcomputer. • If the critical values for signals are displayed in the address circuit, the fan may be activated or be rotated at higher speed in response to values lower than the set temperature values shown above. PDP-4280HD...
Page 76: Processing In Abnormality
When the panel is off: A warning indication is not displayed immediately but is displayed when the panel is turned on. Note: A warning indication is displayed each time the panel is turned on if the conditions for a shutdown persist. Conditions for resetting the circuits The circuits will be reset upon Standby ON/OFF. PDP-4280HD...
Page 77 A specific LED flash pattern (blue LED, 13 times) starts. The next PON operation is valid, and the flag is cleared upon the next power-on. If RST4 is H, a restoration process starts according to the latest power-on/-off status. PDP-4280HD...
Page 78 UART. Upon receiving the data, the main microcomputer orders a specific LED flash pattern (blue LED, 4 times). The next PON operation is valid, and the flag is cleared upon the next power-on. PDP-4280HD...
Page 79: Trap Switch
(1) Deactivating with the remote control unit • Enter Factory mode. • Proceed to the INITIALIZE layer of Factory mode. Hold the DISPLAY key pressed for more than 5 seconds. (2) Deactivating with the RS-232C command • Send the CTM (cancel) command. PDP-4280HD...
Page 80: Service Factory Mode
How to exit Service Factory Mode By using a PDP service remote control) • PDP service remote control : press [FACTORY] key. • Supplied remote control unit : press [HOME MENU] key. By issuing RS-232C commands) • Issue [FAN]. PDP-4280HD...
Page 81: Functions When Entering The Service Factory Mode
(HDMI settings, etc.). • Data on screen (i.e., screen position; meaning clock dividers, and not including data on screen size). Are reset to the default values (data stored in memory will be retained). Screen size will be retained. PDP-4280HD...
Page 82: Remote Control Code In Service Factory Mode
(Note 1) When ten seconds have passed since the [DRIVE OFF] key was pressed at the standby, it becomes invalid. Please press [POWER] key from the [DRIVE OFF] key pressing within ten seconds when you do power supply ON while driven OFF. PDP service PRO-1150HD PDP-4280HD remote control PRO-950HD PDP-5080HD PDP-4280HD...
Page 83: Pdp Service Remote Control
Press this key to turn on the unit. This key cannot turn the unit off. POWER OFF Press this key to turn off the unit. This key cannot turn the unit on. POINT ZOOM Not used with this model. ZOOM +/- Not used with this model. PDP-4280HD...
Page 84: Factory Hierarchical Table
PH0 to PH9 Equivalent to AP3S*- (Setting value: PH0) ADDRESS U4 <=> PH0 to PH9 Equivalent to AP3S-* (Setting value: PH0) STK MODE <=> OFF <=> MODE1 to MODE8 <=> Equivalent to SMK (Setting value: MODE1) *: Setting value PDP-4280HD...
Page 85 6.2.4.1 SIDE MASK LEVEL (+) SIDE MASK LEVEL <=> 6.2.4.2 FINAL SETUP DATA RESET <=> NO <=> YES 6.2.4.3 HMG/HG SERVICE MODE MODE SHIFT <=> NO <=> YES Exclusively used for 6.2.4.4 Wide XGA AUTO <=> technical analysis DISABLE <=> ENABLE (details omitted) PDP-4280HD...
Page 86: Indications In Service Factory Mode
2 SIG mode and Screen size Note: See SIG-Mode Tables. (See next page.) 3 Color system and Signal type Color System and Signal Type NTSC Composite input S-connector input Y/CB/CR Y/PB/PR Digital Video signal Option (Destination, Panel Generation, etc.) Options Regular model ELITE model PDP-4280HD...
Page 87 Current selection of the screen size 5th Character GUI Notation VIDEO Remarks k (∗) − DOT BY DOT FULL − ZOOM − CINEMA − WIDE k: supported, −: unsupported Note (∗): It is effective only with models having the Full HD panel. PDP-4280HD...
Page 88: Details Of Factory Menu
In the 19-24 rows, the version of the execution program is displayed. • PANEL INFO: It displays the generation of the panel, inchage and the type of the panel. For details on display values and settings, see "10: Panel Information" in "9.3.1. QS1 (PANEL STATUS)." PDP-4280HD...
Page 89 0 6 0 – D I G – R S I 0 1 2 3 4 5 6 7 O R D 1 2 3 4 Display Example Meaning Item Name HMG/HG module Version HMG/HG 01234567 User Password PASSWORD 1234 PDP-4280HD...
Page 90 Abnormally in RST2 of MAIN Assy. (power decrease of DC-DC converter) RELAY Abnormally in RST4 of MAIN Assy. (power decrease of Relay power) Failure at Home Media Gallery Home Media Gallery startup error MA-EEP IIC communication line between EEPROM and MAIN. PDP-4280HD...
Page 91 Even if [k] key or [l] key is pressed, {CLEAR <=> :YES} ⇔ {CLEAR <=> :NO} is repeated. If the [ENTER/SET] key is kept on pressing for 5 second when the status of this menu is <YES>, clear process will begin. PDP-4280HD...
Page 92 B-SENSOR : The value that indicated the degree of brightness input into an Room light sensor is displayed. AD value when the output of the Room light sensor was input into 89 pin (AN5) of IF uCOM is displayed. PDP-4280HD...
Page 93 Even if [k] key or [l] key is pressed, {CLEAR <=> :YES} ⇔ {CLEAR <=> :NO} is repeated. If the [ENTER/SET] key is kept on pressing for 5 second when the status of this menu is <YES>, clear process will begin. MTB HOUR METER is cleared only. PANEL HOUR METER is not cleared. PDP-4280HD...
Page 94 HDMI mode status ---- BIST NVAL N value CTSVAL CTS value AKSV Shadow AKSV value BKSV Shadow BKSV value IT CNT IT content (AVI info) EXTCOL Extension calorimetry (AVI info) RGV QR RGB range (AVI info) PIXDEP Number of pixel/bit PDP-4280HD...
Page 95 2200 562 or 563 1920 1920x1080i @ 60 720p (750p) @ 60 1650 1280 1280x720p @ 60 1080p (1125p) @ 60 2200 1125 1920 1080 1920x1080p @ 60 1080p (1125p) @ 24 2750 1125 1920 1080 1920x1080p @ 24 PDP-4280HD...
Page 96 Displays signal status that is input to VDEC. Sub Address Sub Address Device Meaning (Main screen) (Sub screen) 205h 605h CC detection 1 208h 608h CC detection 2 VDEC 20Bh 60Bh CC-CRI detection 20Ch 60Ch XDS content advisor 0 20Dh 60Dh XDS content advisor 1 PDP-4280HD...
Page 97 E R R O R E R R O R 6.2.1.14 DTV TV-GUIDE BER Exclusively used for production line. TV-Guide error bit ratio information is displayed. 6.2.1.15 DEBUG INFO Exclusively used for technical analysis. Debug information for development use is displayed. PDP-4280HD...
Page 98: Panel Factory (+)
RASTER MASK SETUP (+) The mask indication (RASTER) can be set and indicated. 6.2.2.10 PATTERN MASK SETUP (+) The mask indication (PATTERN) can be set and indicated. 6.2.2.11 COMBI MASK SETUP (+) The mask indication (COMBI) can be set and indicated. PDP-4280HD...
Page 99 • P-COUNT: The accumulated power-on count is indicated. • TEMP1: The current panel temperature and the historical maximum temperature recorded in memory are indicated. The range of temperature indication is from -50.0 to +99.9. (The temperature unit is " °C (Centigrade) ".) PDP-4280HD...
Page 100 EEPROM MDU-IIC MD-IIC BACKUP BACKUP EEPROM Communication Error DAC1 DAC1 Communication Error DAC2 DAC2 Communication Error − − Abnormally in RST2 power supply RST2 High temperature of the panel TEMP-H Panel temperature TMP-NG Low temperature of the panel TEMP-L PDP-4280HD...
Page 101 <VOL+> : Adding by 10 to the adjustment/ setting value <VOL-> : Subtracting by 10 from the adjustment/setting value F S E < = > <SET> : Determining the adjustment/setting value and shifting to the upper layer PDP-4280HD...
Page 102 The number of the adjustment table and the drive sequence currently selected are displayed on the right side of the third line as the On-Screen display. Drive sequence and adjustment table Sequence Name Video50 Video60 Video72 Video75 PC60 Adjustment Value TBL2 TBL1 TBL1 TBL3 TBL4 Table PDP-4280HD...
Page 103 : Shifting to the previous item <RIGHT> : Adding by one to the adjustment/ setting value <LEFT> : Subtracting by one from the adjustment/setting value <SET> : Determining the adjustment/setting value and shifting to the upper layer – < = > – PDP-4280HD...
Page 104 : Shifting to the previous item <RIGHT> : Adding by one to the adjustment/ setting value <LEFT> : Subtracting by one from the adjustment/setting value <SET> : Determining the adjustment/setting value and shifting to the upper layer < = > O P R T PDP-4280HD...
Page 105 • The MASK indication sequence can be changed among 48V, 50V, 60V, 72V, 75V and 60P, using the Right or Left key. The selected sequence and the ABL/WB table are retained until the mask is turned off. PDP-4280HD...
Page 106 • The MASK indication sequence can be changed among 48V, 50V, 60V, 72V, 75V and 60P, using the Right or Left key. The selected sequence and the ABL/WB table are retained until the mask is turned off. PDP-4280HD...
Page 107 • The MASK indication sequence can be changed among 48V, 50V, 60V, 72V, 75V and 60P, using the Right or Left key. The selected sequence and the ABL/WB table are retained until the mask is turned off. PDP-4280HD...
Page 108 Exclusively used for production line. 6.2.3.2 ANTENNA MODE <=> Exclusively used for production line. 6.2.3.3 AFT <=> Exclusively used for production line. 6.2.3.4 SYNC DET (+) Exclusively used for technical analysis (details omitted). 6.2.3.5 CC (+) Exclusively used for technical analysis (details omitted). PDP-4280HD...
Page 109: Initialize
• When the configuration is set to <YES> and the [ENTER/SET] key is pressed for 5 seconds, the reset action executes. Be sure to disconnect and connect the AC cable after FINAL SETUP. When replacing the MAIN Assy, the FINAL SETUP is required. PDP-4280HD...
Page 110 Be sure to do above procedure at input fuction except HMG. For details, refer to the service manual for the ELITE model. HG (Home Gallery) SERVICE MODE (Regular model) 1. Home Gallery Screen (1) When the USB device is connected (2) When the USB device is not connected PDP-4280HD...
Page 111 6 S (String descriptor info - 2) Product String 7 S (String descriptor info - 3) String SerialNumber 2. End method It is the same as the case that Home Gallery displays. 6.2.4.4 Wide XGA AUTO <=> Exclusively used for technical analsyis (details omitted). PDP-4280HD...
Page 112: Disassembly
Terminal panel A Front case Assy Section (428PU) 42 DIGITAL TANSHI 42/60LED 42RLS&IR Switch holder Panel holder V1 (427), V2 (427), (428) Front chassis VL (427) Speaker box Speaker box Assy R Assy L 42 SCAN A 42 SCAN B PDP-4280HD...
Page 113: Disassembly
Remove the rear case (428). Tightening sequence for the screws when assembling When assembling the Rear Case (428), tighten the screws in the following sequence: 1. Tighten the screw (3-1). 2. Tighten the two screws (3-2). 3. Tighten other screws. PDP-4280HD...
Page 114 POD cover the pliers then, using your finger as a fulcrum and the pliers as a lever, pry the connector upward to remove it. MAIN Assy PDP-4280HD...
Page 115 Remove the two screws. Be sure not to lose the front collar. Front case Assy (428PU) Pull the lower part of the Front case Assy(428PU) toward you and out. Remove the Front case Assy (428PU), by pulling it upward. PDP-4280HD...
Page 116 Access to 42 DIGITAL Assy Remove the six screws. Remove the four screws. Multi base section Lift the Multi base section to the direction of the arrow. Multi base section 42 DIGITAL Assy Multi base section PDP-4280HD...
Page 117 Remove the switch holder (428). Disconnect cables, connectors, as required. Remove the two screws. Remove the one screw. Remove the one screw. Remove the speaker box Assy R. Switch holder (428) Speaker box Assy L Speaker box Assy R PDP-4280HD...
Page 118 Panel holder V1 (427) Remove the three screws. Remove the two screws. Remove the front chassis VL (427). Front chassis VL (427) Exchange 42 Y DRIVE Assy ×6 ×6 SCAN IC SCAN IC 42 SCAN B Assy 42 SCAN A Assy PDP-4280HD...
Page 119: Each Setting And Adjustment
3. Select “Channel Setup”. ( then ENTER) 4. Select “POD ID”. ( • The Host ID and Cable Card ID appear. 5. Press HOME MENU to exit the menu. (*) : When replacing the MAIN Assy, be sure to perform the FINAL SETUP. PDP-4280HD...
Page 120 Y DRIVE Assy other than those shown in “8.5 ADJUSTMENTS WHEN THE DRIVE ASSYS ARE REPLACED. No adjustment required ADDRESS Assy No adjustment is required after replacement of parts SENSOR Assy other than those mentioned above. No adjustment required TANSHI Assy PDP-4280HD...
Page 121: Backup Of The Eeprom (Digital Assy)
1 Turn on the unit, using the remote control unit or by issuing the PON command. Then issue the FAY command. 2 Issue the BCP command to transfer the data stored in the EEPROM for backup. 3 Turn the power off. PDP-4280HD...
Page 122 1 Turn on the unit, using the remote control unit or by issuing the PON command. Then issue the FAY command. 2 Issue the UAJ command to delete data stored in the EEPROM on the DIGITAL Assy. 3 Issue the BCP command to transfer the data stored in the EEPROM for backup. 4 Turn the power off. PDP-4280HD...
Page 123 When a DIGITAL Assy with an EEPROM in which adjustment data are stored is mounted, this step is not required after manual adjustment. ("DIGITAL EEPROM: REPAIR" is not indicated.) (2) Method using the RS-232C commands Issue the FAJ command. PDP-4280HD...
Page 124: How To Clear History Data
P COUNT INFO. < = > : NO OPRT Right P COUNT INFO. < = > : CLEAR SET (5 sec) MAX TEMP. < = > : NO OPRT Right MAX TEMP. < = > : CLEAR SET (5 sec) 3 Turn the power off. PDP-4280HD...
Page 125: Adjustment When The Service Panel Assy Is Replaced
[PGB S00]: To set the gamma B value to that for Factory mode [DIZ S03]:Dither ON,L dither ON, noise OFF ∗: If the unit is shut down during the above adjustment flow, resend the above commands from the beginning. PDP-4280HD...
Page 126 RST MASK 10 (R 1023 /G 648 /B 1023) Green 1023+3 RST MASK 13 (R 137 /G 1023 /B 137) Blue 1023+3 RST MASK 14 (R 137 /G 648 /B 1023) Magenta 67 RST MASK 19 (R 67 /G 0 /B 67) PDP-4280HD...
Page 127 [PGR S00]: To set the gamma R value to that for Factory mode [PGG S00]: To set the gamma G value to that for Factory mode [PGB S00]: To set the gamma B value to that for Factory mode [DIZ S03]:Dither ON,L dither ON, noise OFF PDP-4280HD...
Page 128 (Check on the PANEL 1-ADJ menu.) Return VOL OFFSET to the tentative setting value. / [VOF ∗∗∗] Determine the tentative setting value for VOL OFFSET as the final value. From the Recovery flowchart (1-3) [To the main flowchart (2)] PDP-4280HD...
Page 129 From the Recovery flowchart (2-1) [Adjustment completed] Note: Make sure that the values for VOL SUS(*1), VOL OFFSET, VOL RST P(*1), VOL XPOFS1,2(*1) and VOL YNOFS1, 3, 4 are the final setting values. *1: The tentative setting value becomes the final value. PDP-4280HD...
Page 130 Make a note of this VOL OFFSET_min2 value. Replacement of abnormal circuits or VOL OFFSET_min2 155? re-replacement of the panel required VOL OFFSET_min Choose the higher value between VOL_OFFSET_min1 and VOL_OFFSET_min2, and set it as VOL_OFFSET_min. [To the Recovery flowchart (1-2)] PDP-4280HD...
Page 131 Set VOL OFFSET to the setting value Set VOL OFFSET to the setting value / [VOF 139] VOL OFFSET_max minus 37. VOL OFFSET_min plus 48. Determine the current VOL OFFSET setting value as the final value. [To the main flowchart (1)] PDP-4280HD...
Page 132 Determine the current setting value for VOL YNOFS3 as the final value. Determine the current setting value for VOL YNOFS4 as the final value. Determine the current setting value for VOL YNOFS1 as the final value. [To the main flowchart (2)] PDP-4280HD...
Page 133 Setting Voltages Vysnofs Vyprst Vyprst Vyprst Vyknofs1,2 Vyknofs1,2 Vyknofs3 Vyknofs3 Vyknofs4 Vyknofs4 Value Value Value Value Value Value Value Value Value Value PDP-4280HD...
Page 134: Adjustment When The Drive Assys Are Replaced
Adjust so that "Δ Tsus - gub = Δ Tsus - iub + α ± 5 nsec," using the variable controls shown in the table below: Value of α Assy X DRIVE Assy VR1002 70 nsec Y DRIVE Assy VR2002 50 nsec PDP-4280HD...
Page 135 (input to the gate terminal of Q2112) SUS-D pulse width: Tsus - Dg Adjust so that "Tsus - Dg = Tsus - D ± 5 nsec," using the variable control shown in the table below: Assy Y DRIVE Assy VR2001 PDP-4280HD...
Page 136 2 Adjust the pulse width (Tsus - Dg) of the SUS-D Y DRIVE Assy input signal so that it becomes "Tsus-D ± 5 nsec." 1 Measure the SUS-D pulse width (Tsus - D). TP2109 from VR2001 IC2104 DIGITAL Assy Q2110 IC2005_A7 Q2105 IGBT YSUS-D Q2112 IGBT TP2111 PDP-4280HD...
Page 137: Precaution On Replacement Of The Power Supply Unit
Disconnect the housing wire (J126) from the P11 terminal Connect the housing wire (J126) to the P11 terminal on the old POWER SUPPLY Unit. on the new POWER SUPPLY Unit. Housing wire (J126) Housing wire (J126) POWER SUPPLY unit (old) POWER SUPPLY unit (new) PDP-4280HD...
Page 138: Rs-232C
9.1.2 USING RS-232C COMMANDS Individual ports are provided for RS-232C and SR+ connectors with this model. Therefore, unlike the case of previous models, which required switching of exclusive operation between these connectors on the Integrator menu, switching is no longer required. PDP-4280HD...
Page 139: List Of Rs-232C Commands
To subtract ∗∗∗ to the adjustment value (∗∗∗ = 000 to 999, designated by a function command) Determining the flag of the DIGITAL Assy adjustment in "adjustment is completed" Factory mode off Factory mode on Set each memory setting of MTB side to the shipment state. PDP-4280HD...
Page 140 Vertical ramp vertical scroll (green) Horizontal ramp horizontal scroll (white) Horizontal ramp horizontal scroll (green) Cross hatch + window MASK off H ramp (slant 1) H ramp (slant 4) V ramp (slant 1) Slanting ramp Window (Hi= 870, Lo= 102) PDP-4280HD...
Page 141 Horizontal stripes every eight white lines 5 for perfect linear 6 for perfect linear 7 for perfect linear 8 for perfect linear Mask for ABL adjustment Raster - White Raster - Red Raster - Green Raster - Blue Raster - Black PDP-4280HD...
Page 142 Set the power consumption setting of the panel side to Energy saving 1 Set the power consumption setting of the panel side to Energy saving 2 Factory mode: off Setup at shipment Factory mode: on Independent gamma Blue S∗∗ Independent gamma Green S∗∗ PDP-4280HD...
Page 143 S∗∗ Room light sensor operation at panel side ∗∗∗ User white balance - Red low light S∗∗ Setting of red level for panel degradation correction ∗∗∗ RESET1ST_KSB adjustment UP*/DN* is not effective ∗∗∗ RESET2ND_KSB adjustment UP*/DN* is not effective PDP-4280HD...
Page 144 Theater port interlock operation OFF Theater port interlock operation ON Determining the flag for the DIGITAL Assy adjustment in "not adjusted" To add ∗∗∗ to the adjustment value (∗∗∗ = 000 to 999, designated by a UP∗ function command) PDP-4280HD...
Page 145 UP*/DN* is not effective ∗∗∗ UP*/DN* is not effective YSTL_KSB adjustment ∗∗∗ UP*/DN* is not effective YSTL_HZ adjustment ∗∗∗ Y-SUS-B adjustment UP*/DN* is not effective Initializing the video EEPROM data Initializing the setting data to which no adjustment command is provided PDP-4280HD...
Page 146: Details Of Each Commands
(version mismatching at SD) 5: Panel Product Form 7th byte Under bar 2: Panel Generation 8th byte PLANT information and SQ_LSI version System model ∗ mismatching (version mismatching at SD) All-in-one design TV ‘ Others Monitor Standard module Simple module PDP-4280HD...
Page 147: Qs2 (Panel Operation Data)
Adjustment completed 13: MASK indication X-DRV Adjustment not MASK-OFF completed X-DCDC MASK-ON X-SUS DIG-DCDC 14 to 17: Detection of Panel Protection function 3: Adjustment-data Not used Normal backup Not used At detection With backup data UNKNOWN No data (default) PDP-4280HD...
Page 148: Qs3 (Other Data On The Panel)
PON COUNTER 8 byte 00000000 Note TEMP1 acquisition (Temperature value) 5 byte +23.5 (*1) (*1) : Centigrade scale TEMP0 acquisition (Temperature value) 5 byte +28.7 (*1) MAX-TEMP1 acquisition (Temperature value) 5 byte +78.3 (*1) ∗∗∗∗ Reserved 4 byte 2 byte PDP-4280HD...
Page 149: Qaj (Panel Adjustment Data)
ADDRESS 1, 2 setting value 2 byte ADDRESS 3, 4 setting value 2 byte ADDRESS 5, 6 setting value 2 byte ADDRESS 7, 8 setting value 2 byte Streaking correction 1 byte AM radio countermeasure 1 byte ∗∗ Reserved 2 byte 2 byte PDP-4280HD...
Page 150: Qpw (Video Adjustment Data Of The Panel)
3 byte Pulse meter B 1 8 byte 00000000 Pulse meter B 2 8 byte 00000000 Pulse meter B 3 8 byte 00000000 Pulse meter B 4 8 byte 00000000 Pulse meter B 5 8 byte 00000000 2 byte PDP-4280HD...
Page 151: Qpd (Pd Logs)
Data from the hour meter for the seventh latest PD 8 byte 00000213 Eighth latest "1st PD" data 1 byte Eighth latest "2nd PD" data 1 byte Data from the hour meter for the eighth latest PD 8 byte 000001A7 2 byte PDP-4280HD...
Page 152: Qsd (Sd Logs)
Data from the hour meter for the seventh latest SD 8 byte 00000000 TEMP1 (high temperature) Eighth latest SD data 1 byte TEMP1 (low temperature) Eighth latest SD subcategory data 1 byte Data from the hour meter for the eighth latest SD 8 byte 00000000 2 Byte PDP-4280HD...
Page 153: Qse (Destination Peculiar Information)
3 byte A/D value of MTB-side Temperature 3 byte MTB-side FAN rotating speed (0: STOP, 1: LOW, 2: HIGH) 1 byte A/D value of room light sensor 3 byte Level of room light sensor (Value: 1 to 5) 1 byte PDP-4280HD...
Page 154: Qng (Shutdown Information Of Mtb)
Failure of Power Supply at MTB side Go to No. 13 Subcategory Information 14(E) Startup failure of Home Media Gallery 15(F) Failure of Main EEPROM Immediately Shutdown ∗: Indicates the frequency of Blue LED flashing when the shutdown is occurred. PDP-4280HD...
Page 155 Shutdown Home Gallery AD/PLL Shutdown Middleware HDMI Shutdown Application Tuner 2 Shutdown US-MSP Shutdown < No. 13 Subcategory Information on "Failure in Power supply at MTB side" > Value Shutdown Factor Remarks (Operation) RST 2 Shutdown RST 4 Shutdown PDP-4280HD...
Page 156: Qsi (Input Signal Data)
Once the DRIVE OFF command is accepted, DRIVE OFF cannot be canceled by pressing the DRIVE OFF key again or by turning the unit off then back on with the STANDBY OFF/ON key. To cancel DRIVE OFF, restart the unit by unplugging then again plugging in the power cord. PDP-4280HD...
Page 157: Fay / Fan (Adj. Commands Permission / Prohibition)
[CBU] To make the flag setting that Writing F0 to the 2 k byte ROM The backup ROM is indicating that backup data initialized. have not been copied To copy Digital backup data to [BCP] Copying backup data EEPROM PDP-4280HD...
Page 158: Exploded Views And Parts List
For the applying amount of lubricants or glue, follow the instructions in this manual. (In the case of no amount instructions, apply as you think it appropriate.) 10.1 PACKING SECTION Screw ×2 Speed clamp ×3 Bead band ×3 Plastic Band ×2 PDP-4280HD...
Page 159 AHA2666 Pad (428 T-R) AHA2667 Pad (428 B-L) AHA2664 Pad (428 B-R) AHA2665 Under Carton (428) AHD3587 Upper Carton (4280HD) AHD3590 Packing Sheet AHG1352 Paper Angle (428) AHB1295 Band Assy AXY1192 After Image Caution ARM1351 Power Button Caution ARM1345 PDP-4280HD...
Page 160: Rear Section
10.2 REAR SECTION MAIN CN4109 MAIN CN4110 (USB) TANSHI CN8802 TANSHI CN8801 Refer to "10.3 FRONT SECTION". PDP-4280HD...
Page 161 Rear Case (428) ANE1667 • • • • • • • • • • Screw (3 x 40P) ABA1332 Screw ABA1341 Screw (4 x 18) BBZ40P160FTB Screw AMZ30P060FTB Screw AMZ30P080FTC Screw APZ30P080FTB Screw BPZ30P080FTB Screw BPZ30P140FTB Screw TBZ40P080FTB Screw BBZ30P060FTB PDP-4280HD...
Page 162: Front Section
10.3 FRONT SECTION Refer to "10.4 CHASSIS SECTION (1/2)". MAIN CN4107 MAIN CN4109 Rear view PDP-4280HD...
Page 163 Insulation Sheet B AED1284 Isolation Sheet AED1289 Front Case Assy (428PU) AMB3015 Panel Cushion V (42) AED1323 Panel Cushion H (42) AED1322 Pioneer Name Plate (42) AAM1115 Punching Sheet (428) AAS1016 Front Collar AMR3695 Isolation Cushion B AED1326 Sensor Filter AAK2926...
Page 164: Chassis Section (1/2)
10.4 CHASSIS SECTION (1/2) Refer to "10.7 MULTI BASE SECTION". POWER MAIN CN4103 Cleaning liquid : GEM1004 Cleaning paper : GED-008 Refer to "10.5 CHASSIS SECTION (2/2)". PDP-4280HD...
Page 165 AEC2118 Address Gasket (42) ANK1877 Gasket 427 ANK1895 Gasket D ANK1840 Switch Holder (428) AMR3694 Re-use Wire Saddle AEC1945 Re-use HL 28 AEC2119 Screw ABA1313 Screw ABA1370 Screw ABZ30P080FTC Screw AMZ30P060FTB Screw APZ30P080FTB Screw BBZ30P060FTC Screw TBZ40P080FTB Screw ABA1364 PDP-4280HD...
Page 166: Chassis Section (2/2)
10.5 CHASSIS SECTION (2/2) Note: Once the ferrite core is detached, it cannot be reattached. Attach a new ferrite core. MAIN CN4101 TANSHI CN8806 MAIN CN4105 MAIN CN4106 POWER SW CN2791 AC inlet Refer to "10.6 PANEL CHASSIS SECTION". PDP-4280HD...
Page 167 Re-use Card Spacer AEC2117 Re-use Wire Saddle AEC2118 Re-use HL 28 AEC2119 Power Sheet (8G) AMR3708 Y Drive Sheet (428) AMR3709 X Drive Sheet (428) AMR3710 Ferrite Core (F11) ATX1068 • • • • • Screw ABA1313 Screw ABA1364 PDP-4280HD...
Page 168: Panel Chassis Section
10.6 PANEL CHASSIS SECTION PDP-4280HD...
Page 169 NSP 5 Plasma Panel (428) Assy AWU1247 Insulation Bushing 1.5 AEB1482 PCB Spacer AEC1941 Address Silicone A AEH1093 Conductive Plate Holder AMR3446 Address Holder (428) AMR3707 Conductive Plate X (428) ANG3080 Address Plate (428) ANG3084 Screw ABA1351 Screw ABA1364 PDP-4280HD...
Page 170: Multi Base Section
10.7 MULTI BASE SECTION 42/60LED CN9601 SIDE KEY CN9501 42RLS&IR CN9751 42 DIGITAL CN3001 POWER (side) POWER Speaker POWER SIDE IO CN9352 SIDE IO CN9351 PDP-4280HD...
Page 171 POD Cover AMR3542 Multi Base Assy (U) ANA2102 Terminal Panel A (U) ANC2440 POD Stay A ANG2933 Housing Wire (J120) ADX3322 Ferrite Core ATX1064 Hex. Head Screw BBA1051 BBN1005 Screw BMZ30P060FTB Screw PMB30P080FNI Gasket UD ANK1883 Ferrite Stopper AEC1981 PDP-4280HD...
Page 172: Pdp Service Assy 428
10.8 PDP SERVICE ASSY 428 Exterior Section PDP-4280HD...
Page 173 Pad (428 T-R) AHA2671 NSP 17 Front Case Assy (428 service) AMB3058 Under Carton (428) AHD3586 Rear Case (428) ANE1667 Upper Carton (428 service) AHD3641 NSP 19 Drive Voltage Label ARW1097 Protect Sheet AHG1331 Screw (3 x 40P) ABA1332 PDP-4280HD...
Page 174 TABLE TOP STAND PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Screw (M8 x 23) ABA1371 Base Cover Assy AXY1174 Stand Pipe L Assy AXY1180 Screw (M8 x 60) ABA1372 Stand Pipe R Assy AXY1181 Screw ABA1357 PDP-4280HD...
Page 175 PDP-4280HD...
Page 176 Changed contents Mark Date Rev. No. SM Correction No. Revision Page 22-Jan-07 ------ Delete the description of the reference service manual. Coversheet Correct numbers of the following parts. 20-Jan-09 SCH08025 EXPLODED VIEWS/PACKING SECTION/3 Battery Cover PDP-4280HD...

Pioneer PDP-4280HD Service Manual

1 Service Precautions

2 Specifications

3 Basic Items for Service

4 Block Diagram

5 Diagnosis

6 Service Factory Mode

7 Disassembly

8 Each Setting and Adjustment

9 Rs-232C

10 Exploded Views and Parts List

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Summary of Contents for Pioneer PDP-4280HD

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