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Colour Television Module
FHP PDP Repair Manual
FPF42C128135UA-52 (42” A4)
Contents Page
1. Technical Specifications 2
2. Safety Instructions, Warnings, and Notes 5
3. Directions for Use 6
4. Mechanical Instructions 6
5. Service Modes, Error Codes, and Fault Finding 10
6. Block Diagrams, Test point Overview, and Wave
Forms 27
7. Circuit Diagrams and PWB Layouts 29
8. Alignments 29
9. Circuit Descriptions and Abbreviation List 30
10. Spare Parts List 33
11. Revision List 34
©
Copyright 2006 Phi
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Technical Specifications EN 2 1. FHP PDP 1. Technical Specifications Index of this chapter: 1.1 Specifications FPF42C128128UC -52 42A1 ( covered ) 1.2 Serial Numbers FPF42C128128UD -52 42A2 ( by manual ) 1.3 Chassis overview FPF42C128128UE -52 42A3 ( 3122 785 14580) FPF42C128135UA -52 42A4 (in this manual) 1.1 Specifications G_16400_004.eps 270706 1.1.1 42” A4 Figure 1-4 List of model numbers No Item Spec. FPF42C128135UA-52 Note: The PDP serial number and th
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Technical Specifications FHP PDP 1. EN 3 1.3 Chassis overview G_16400_005.eps 180706 Figure 1-5 PWB locations G_16400_006.eps 270706 Figure 1-6 Connector positions
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Technical Specifications EN 4 1. FHP PDP 1.4 Some connector layouts Pin No. Signal name Pin No. Signal name 1 RA- 2 GND (LVDS) 3 RA+ 4 SCL 5 RB- 6 GND 7 RB+ 8 SDA 9 RC- 10 GND (LVDS) 11 RC+ 12 CPUGO 13 RXCLKIN- 14 PDPGO 15 RXCLKIN+ 16 IRQ 17 RD- 18 PDWN 19 RD+ 20 GND (LVDS) 21 RE- 22 GND 23 RE+ 24 GND 25 GND 26 GND 27 GND 28 GND 29 GND 30 GND G_16400_035.eps 280706 Figure 1-7 LVDS connector CN1 Logic Board Pin No. Symbol 1 Vcc 2 GND 3 Vpr2 4 GND 5 Vra 6 Vrs 7 VCEGO 8 VSAGO
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Safety Instructions, Warnings, and Notes FHP PDP 2. EN 5 2. Safety Instructions, Warnings, and Notes LED is positioned at the right side of IR-receiver eye of the 2.1 Safety Instructions E-box. Take into account that receiver-LED on DST is positioned not in the middle but at the left side. Point It is not allowed to operate the FTV-set without glass plate. One corresponding LEDs to each other. In case the amount of function of this glass plate is to absorb Infrared Radiation. Infrared pr
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Directions for Use EN 6 3. FHP PDP 3. Directions for Use Not applicable. 4. Mechanical Instructions Notes: 4.1.2 X-SUS and X-BUS Circuit Boards Figures below can deviate from the actual situation, due to different set executions. For more detailed instructions regarding the (dis)assembly 5 of the TV chassis that hold these PDPs, read the corresponding TV Service Manual. 5 3 4.1 Board Swap Instructions 4.1.1 General 2 Before dismounting panels read notes below! Caution when removing circuit
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Mechanical Instructions FHP PDP 4. EN 7 6. Remove the X-BUS board and the X-SUS board together. Make sure that you do not touch the heat sink when removing the Y-SUS board. Threaded bush for 4.1.3 Y-SUS Circuit Board SDM-U board 4 Adhesive side should be against the IC of SDM-U 5 3 SDM-U board Y-SUS board 2 Radiation Plate 4 G_16400_010.eps 310706 1 Figure 4-6 Radiation plate position G_16400_009.eps 300706 Figure 4-4 Y-SUS board removal (1/2) Y-SUS G_16400_011.eps 180706 Figure 4-5 Y-SU
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Mechanical Instructions EN 8 4. FHP PDP 4.1.4 ABUS-L Circuit Board 4.1.5 ABUS-R Circuit Board 1 4 5 4 6 6 7 7 6 5 5 2 2 2 2 2 2 2 2 2 2 1 6 3 3 3 3 G_16400_012.eps G_16400_014.eps 310706 310706 Figure 4-7 ABUS-L board removal (1/2) Figure 4-9 ABUS-R board removal (1/2) ABUS-R ABUS-L G_16400_015.eps G_16400_013.eps 180706 180706 Figure 4-10 ABUS-R board removal (2/2) Figure 4-8 ABUS-L board removal (2/2) Remove the circuit board by following the steps below. To Remove the circuit board by follow
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Mechanical Instructions FHP PDP 4. EN 9 4.1.6 LOGIC Board Remove the circuit board by following the steps below. To install the circuit board, reverse the removal procedure. 1. Unplug connectors [1]. 2. Remove screws [2]. 3. Remove the PSU. 3 3 1 2 4 4 G_16400_016.eps 310706 Figure 4-11 LOGIC board removal (1/2) Logic G_16400_017.eps 180706 Figure 4-12 LOGIC board removal (2/2) Remove the circuit board by following the steps below. To install the circuit board, reverse the removal procedure. 1
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Service Modes, Error Codes, and Fault Finding EN 10 5. FHP PDP 5. Service Modes, Error Codes, and Fault Finding Index of this chapter: 5.1 Repair Tools 5.3 Process Flow 5.4 Repair Instructions 5.5 Defect Description Form 5.1 Repair Tools To be able to repair the Plasma Display Panels on board level, the following repair tools are available: Special LVDS cable: T.B.D. Foam buffers: 3122 785 90581. E_14580_024.eps 250304 CN06 CN01 14 3k3 Figure 5-2 Foam buffers for FTV Vpr SDA 8 3 6 GND 4
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Service Modes, Error Codes, and Fault Finding FHP PDP 5. EN 11 the defective PDP, accompanied by a completely filled in 5.3 Process Flow Defect Description Form (see figure “Defect Description Form (DDF)“), in this flight case to EuroService. EuroService makes The selected workshop receives the defect TV set and sure the defect PDP is repaired and afterwards added to its investigates the PDP. Two possible solutions follow: swap pool. The workshop makes the TV set complete by building in th
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Service Modes, Error Codes, and Fault Finding EN 12 5. FHP PDP 5.4 Repair Instructions 5.4.1 General In case of: a broken glass panel, a defective flex foil, or a defective Y-COM IC on the flex foil the PDPs need to be send back via the central repair procedure of EuroService. In other cases the Plasma Display Panels must be repaired on board level. 5.4.2 42” A4 ALiS Plasma Display Panel The involved Plasma Display Panel is: Display type Service code number FPF42C128135UA-52 9322 235 43
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Service Modes, Error Codes, and Fault Finding FHP PDP 5. EN 13 5.4.3 Fault Finding Flowcharts Problem analysis procedure: PDP repair / board swap PDP Repair procedure Board Swap Horizontal bar? Vertical Line / Vertical Bar? The entire Screen does not light. Go to the Go to the The set is going into protection. "Horizontal bar" "Vertical line/Vertical bar" (PSU is OK) problem analysis procedure problem analysis procedure Go to Step 1 in the procedure Logic Board Exchange Check the 3.3V Vpr2 on t
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Service Modes, Error Codes, and Fault Finding EN 14 5. FHP PDP Problem Analysis Procedure: The entire screen does not light 1 The entire screen does not light Caution 1: never disconnect connectors or remove boards when the mains plug is connected. Allow discharge of power supplies before Remove CN06 disconnecting connectors! (on LOGIC Board, PSU-LOGIC cable) Caution 2: do not interchange boards between different PDPs, this might damage your PDP All the boards are connected Connect the set
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Service Modes, Error Codes, and Fault Finding FHP PDP 5. EN 15 Short-circuit check on Boards and Power Supply Lines 2 Check with an ohmmeter if following pins are shorted X-SUS X-SUS Board: CN23 CN22 CN23 pins 3 - 4 X-SUS board is [X-SUS - PSU] [X-SUS - Y-SUS] Y CN23 pins 6 - 8 10 13 defective Vs -Vs 9 12 CN22 pins 10 - 13 Vs -Vs 8 11 are shorted? Vs NC (Switching circuit (power 7 10 NC GND 6 9 supply) has a short-circuit) GND NC 5 8 GND Vu 4 7 GND NC 3 6 N Vcc Vcc 2 5 NC NC 1 4 Va GND 3 NC 2
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Service Modes, Error Codes, and Fault Finding EN 16 5. FHP PDP 3 ABUS-L board: Y CN52 pins 1 - 3 or CN52 pins 4 - 7 are shorted? Remove ADM from the following connectors. ABUS-L N CN 53, CN 54, CN 55, CN 56 ABUS-L board: CN52 pins 1 - 3 or N ADM is defective CN52 pins 4 - 7 (PDP is defective) are shorted? Y ABUS-L board is defective. ABUS-R board N CN42 pins 1 - 3 or CN42 pins 3 - 5 are shorted? Remove ADM from the following connectors: ABUS-R Y CN 43, CN 44, CN 45, CN 46 AB
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Service Modes, Error Codes, and Fault Finding FHP PDP 5. EN 17 4 Connect CN23 (X-SUS) and 1 * When turning “ON” the PDP with PDP-go, refer to following procedure: CN32 (Y-SUS), and 1. Connect the special LVDS cable (see paragraph “Repair Tools”) give the “PDP-go” signal (*1) between CN01 and CN06 2. Supply power to the PSU Are Vcc (5V), Vs (85V), N Logic board, or X-SUS board, or and Va (63V) present on Y-SUS board is defective the PSU board? In case that Vs Power system or Va Power syst
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Service Modes, Error Codes, and Fault Finding EN 18 5. FHP PDP "Vertical line/Vertical bar" problem analysis procedure Vertical line / Vertical bar Y – LOGIC board ABUS-R/L Signal cable is board signal cable has defective abnormal appearance? N Y ADM is defective ADM flexible cable has (PDP is defective) abnormal appearance? N 1 * When turning “ON” the PDP with PDP-go, refer to following procedure: 1. Connect the special LVDS cable (see paragraph “Repair Tools”) Give the “PDP-go” signa
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Service Modes, Error Codes, and Fault Finding FHP PDP 5. EN 19 (1) 1 * When turning “ON” the PDP with PDP-go, refer to following procedure: 1. Connect the special LVDS cable (see paragraph “Repair Tools”) between CN01 and CN06 Is vertical bar N 2. Supply power to the PSU monochromatic? Y Does the vertical bar Y appear in left half of panel? Turn “OFF” the AC power N Replace ABUS-L board Give the “PDP-go” signal (*1) Y Normal? ABUS-L board is defective N Turn “OFF” AC power Replace LOGIC bo
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Service Modes, Error Codes, and Fault Finding EN 20 5. FHP PDP (2) (3) 1 * When turning “ON” the PDP with PDP-go, refer to following procedure: 1. Connect the special LVDS cable (see paragraph “Repair Tools”) between CN01 and CN06 2. Supply power to the PSU Turn “OFF” the main power Replace ABUS-R board Give the “PDP-go” signal (*1) Y Normal? ABUS-R board is defective N Turn “OFF” the main power Replace LOGIC board Give the “PDP-go” signal (*1) Y Normal? LOGIC board is defective N Turn “
