Daewoo DP-42GM Service Manual Download Page 63

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Main PCB Trouble Diagnosis

(Table 1.) Diode Tester Measure Value of PA7 s Each Terminal

+ : red, - : black

NAME

DIODE TESTER

MEASURE

DIODE TESTER

MEASURE

173V

Open

Over 0.7V

GND

15V

Over 1.9V

Over 0.4V

GND

Vadd

Open

GND

(Table 2.) Diode Tester Measure Value of P202A s Each Terminal

+ : red, - : black

Terminal Shape :(Top view, components side)

1 2 3 4 5 6 7 8 9 101112

P202A

PIN 6/7/10/11 is GND

DIODE TESTER

MEASURE

DIODE TESTER

MEASURE

GND

After about 15 sec,

GND

Over 0.4V

Over 1.6V

Over 1.9V

Over 0.8V

Over 1.9V

Over 0.8V

Over 1.9V

Over 0.8V

Over 1.9V

Over 0.8V

OPEN

Over 0.8V

OPEN

Over 0.8V

OPEN

Summary of Contents for DP-42GM

Page 1: ...Service Manual 42 PLASMA PDP MONITOR CHASSIS SP 115 S M No DSP115BEF0 Nov 2002 DAEWOO ELECTRONICS Corp http svc dwe co kr...

Page 2: ...RAM 30 4 3 2 POWER PCB 31 5 SERVICE MODE 33 5 1 Entering SERVICE MODE 33 5 2 Default Values For SERVICE MODE Items 33 5 3 Description Of SERVICE MODE Items 34 6 Adjusting Method 37 6 1 Adjusting WHITE...

Page 3: ...0 2 Trouble Diagnosis Flow when Low Voltage SHUT DOWN occurs 81 FIG 10 3 Trouble Diagnosis Flow when High Voltage SHUT DOWN occurs 82 FIG 10 4 Trouble Diagnosis Flow when Abnormal Discharge occurs 83...

Page 4: ...2 Trouble Symptom Picture 1 112 Trouble Symptom Picture 2 113 Trouble Symptom Picture 3 114 Trouble Symptom Picture 4 115 Trouble Symptom Picture 5 116 Trouble Symptom Picture 6 117 Trouble Symptom Pi...

Page 5: ...issing when assembling 5 If you open the BACK COVER you will see a Panel Gas Exhaust Tube refer to FIG 10 If this part is damaged entire PDP PANEL must be replaced Therefore when working be careful no...

Page 6: ...AND 36 8 Kg 3 ELECTRICAL 3 1 VIDEO INPUT COMPOSITE NTSC PAL SECAM PAL M N NTSC4 43 S VHS 50 60Hz Y C 2 sets 3 2 DTV DVD INPUT 1080 i 720P 480P 480i Y Pb Cb Pr Cr COMPONENT SIGNAL 2 sets 3 3 PC INPUT V...

Page 7: ...PEAK LUMINANCE 300cd WITH FILTER GLASS 4 7 CONTRAST RATIO 3000 1 4 8 VIEWING ANGLE Over 160 degree VERTICAL HORIZONTAL 5 USERCONTROL ACCESSORIES 5 1 CONTROL BUTTON SET AC POWER BUTTON PUSH PULL S W M...

Page 8: ...0 PAL 950 800x600 35 156 56 3 VESA 23 35 16 57 2 VESA 24 37 879 60 3 VESA 24 48 077 72 2 VESA 25 46 875 75 0 VESA 26 53 674 85 1 VESA 27 832x624 49 726 74 0 Macintosh 28 1024x768 48 193 48 077 59 3 5...

Page 9: ...AX 937 74 88 70 0 NEC 921 78 125 72 0 HP HITA 206 78 855 74 1 Sony NEC 46 79 976 75 0 VESA 47 81 13 76 1 SUN 927 91 146 85 0 VESA 48 1600X1200 62 5 48 0 VESA 75 60 0 VESA 50 81 25 65 0 VESA 862 87 5 7...

Page 10: ...10...

Page 11: ...NC NC NC DVS DHS V_MUTE S_RESET NC DEN GND R0 R1 R2 R3 R4 R5 R6 R7 GND 39 1 40 PA4 1 6 7 8 9 5 3 4 2 STB5V LED_P GND GND P5V GND GND P12V NUL P12V 1 5 2 3 4 PA5 STB5V GND PWR_CLT LED_P to PWR VPC HPC...

Page 12: ...3D COMBFILTER to separate COMPOSITE signal to Brightness Signal Y and Color Signal C TP Input COLOR BAR PATTERN A YCOMP Brightness Signal Y B CCOMP Color Signal C 2 IC401 SAA7118E Receive NTSC SECAM...

Page 13: ...ach BLOCK 3 IC406 DPTV MVS A Scan Rate Converter which converts Interlace signal into Progressive signal TP A VVS VERTICAL SYNC output by DPTV MVS B VHS HORIZONTAL SYNC output by DPTV MVS C VCLK CLOCK...

Page 14: ...IC500 CXA3516R 3 channel 8 bit 165MSPS A D converter which process PC DTV signal TP A GCOAST COAST CONTOL Signal for PLL input by CXA3516 B GHS HORIZONTAL SYNC for GRAPHIC output by CXA3516 C GCLK CLO...

Page 15: ...15 Description Of Each BLOCK D GFBK SYNC for PLL 5 IC600 PW171 Image processor IC TP A DEN DATA ENABLE output by PW171 B DHS HORIZONTAL SYNC output by PW171...

Page 16: ...process various VIDEO and AUDIO signal 1 IC706 VIDEO SYNC SELECTOR This chooses Y Cb Pb Cr Pr or RGB signal to output Y Cb Pb Cr Pr to separate SYNC and to perform SYNC COUNTER 2 IC704 7_INPUT 3_OUTP...

Page 17: ...TP R_OUT L_OUT AUDIO SIGNAL that goes into MSP3420 before AUDIO PROCESSING 4 IC701 IC700 TDA 7480 TP A RIGHT LEFT AMP input signal before 30dB amplification 4 1 4 KEY PCB Input PCB using KEY 4 1 5 LE...

Page 18: ...ove diagram First within the Digital board timing control data interface signals input to Y X DATA board Also low voltage and high voltage powers such as 15V 5V Vsus Yer Vadd are supplied SCAN is divi...

Page 19: ...order to display new image every cell s condition must be uniformed to erase wall charge made by previous discharge and make new wall charge for next address discharge Ramp shape signal is added to s...

Page 20: ...block opposite polarity rectangular pulse which have ER_H SUS_H ER_L SUS_L order is distributed to Panel s X Y electrode at a constant frequency 4 ERASING Removing operation for Electrical discharge...

Page 21: ...ol Signal Z Driver Control Signal Z Driver Data Signal Data Flow Control Address Flow ROM Data Flow DSP 4280GM Digital B D Block Diagram 1 Digital PCB s Main Part 1 Actel FPGA A500K180 PQ208 1 EA Loca...

Page 22: ...utput Voltage 5V 8 2 5V Regulator LP3964EMP 2 5 Location No ID32 Input Voltage 5V Output Voltage 2 5V 9 EMI Reduction IC P2040 Location No ID34 Power 3 3V 2 Data Flow 1 Input from Video PCB 8bit Data...

Page 23: ...There are 2 SDRAMs 64M 32 bit SDRAM which store 1 Frame s R G B data in order of Weight respectively to process with real time 7 Data Interface Block R G B data ouput from SDRAM is stored by line in...

Page 24: ...Interface Block and SDRAM Control Block There are 5 Control Signals as follows F_SUBF CLK_480 OUT_CLK F_32SFT SLCT 5 APL Detection Block Detect the amount of input Data which is so called APL Average...

Page 25: ...201A P202A X_shelf PU1 PU2 PU3 PU4 PU5 PU6 X_ELECTRODES X_sustain 2 Structure of X_SUSTAIN PCB X_SUSTAIN BLOCK SUS_H SUS_L ER_H ER_L Energy Recovery Circuit HIC Structured Vshelf Generating Circuit Fr...

Page 26: ...V Supplied by POWER MODULE Supplies FET driving power as well as generates X_N_SHELF voltage 5V 5V Supplied through CONNECTION board from DIGITAL board Used for LOGIC IC Power 4 Signal X_SUSTAIN SUS_H...

Page 27: ...n PY4 Scan PY1 IY8 IY27 _Vcc Remp _down s w shelf GND NC Y_ ERASE V _SUS V _SUS 7 1 11 1 5V GND GND Y_ ERL Y_ ERH Y_ SUSL Y_ SUSH GND 15V_Y2 15V_Y2 5V_Y2 15V_Y3 15V_Y2 5V_Y3 5V_Y3 5V_Y2 5V_Y2 Y _ramp_...

Page 28: ...upplied from POWER MODULE 173V 15V Supplied from POWER MODULE and used for FET s driving power and input powers of 3 DC DC converter Also generates output voltage of each Y RAMP_UP Y SCAN Y_SHELF Y_SC...

Page 29: ...d to X board through P202 Also Data signals are supplied from DIGITAL PCB through P302A and X sustain X shelf signals are supplied from X SUS PCB through P202 Vadd Power is supplied to PC 1 4 from X S...

Page 30: ...out 12V out 30V out 15V out 5V out 3 3V out Vadd Vadd Block IC B Main B IC ON OFF IC B Main B IC ON OFF POWER ON OFF Control Sequence Control Block B 15V Vlow AC Input 5V If Power is ON V_PFC and V_LO...

Page 31: ...Vdr1 15 5 0 75 18 18 50 100 1 0 1 1 1 4 5 V1 5 0 25 6 50 100 1 0 1 1 6 V2 12 0 6 13 6 50 100 0 6 0 1 7 V3 17 0 75 18 50 100 0 7 0 1 17 0 75 18 50 100 0 7 0 1 1 8 V4 5 1 0 55 6 5 50 100 1 0 1 1 9 V5 3...

Page 32: ...BLOCK P2 is connected to Y SUS PCB s P101A P1 is connected to X SUS PCB s P201A P4 is connected to VIDEO PCB s PA4 P5 is connected to VIDEO PCB s PA5 P3 is connected to DIGITAL PCB s P301A P6 is conn...

Page 33: ...CE adjust MODE 5 2 Default Values fot SERVICE MODE 1 PW171 SUB BRIGHTNESS 28 SUB CONTRAST 40 R BIAS 68 G BIAS 65 B BIAS 70 R GAIN 67 G GAIN 45 B GAIN 78 2 SAA7118 SUB BRT 128 SUB CONT 50 SUB CLR 64 SU...

Page 34: ...IAS value during WHITE BALANCE 6 GAIN R Set up RED GAIN value during WHITE BALANCE 7 GAIN G Set up GREEN GAIN value during WHITE BALANCE 8 GAIN B Set up BLUE GAIN value during WHITE BALANCE 2 SAA7118...

Page 35: ...VOLUME UP KEY 3 AT PWR ON Condition where turning AC power on automatically turns the SET on OFF Condition where turning AC power on makes the Set STAND BY and Remocon s POWER on turns the set on fro...

Page 36: ...R Displaying Software s VERSION 8 RESET 1 EDID 2 LEVEL 1 RESET SERVICE MODE Condition s All Values 3 LEVEL 2 RESET SERVICE MODE Condition s All Values except PW171 values 4 FACTORY RESET to factory sh...

Page 37: ...e within Default Value 10 If deviate from the range classify the SET disqualified Set color coordinate to x 0 280 0 01 y 0 290 0 01 and color temperature to above or equal to 10 000 K 6 Attach WHITE B...

Page 38: ...ed DIGITAL MULTIMETER DC Voltage Measure Mode Adjusting TP TP1 refer to FIG 20 Adjusting VOLUME RV500 refer to FIG 20 Standard Voltage 173V This value could be different from the optimum adjusting vol...

Page 39: ...Voltage Measure Mode Adjusting TP DCU16 electrode refer to FIG 6 1 FIG 3 and the following Figure Adjusting VOLUME RU1 refer to FIG 6 1 and FIG 3 Standard Voltage 158V This value could be different fr...

Page 40: ...2 FIG 2 and the following Figure Adjusting VOLUME RY7 refer to FIG 6 2 and FIG 2 Standard Voltage 230V This value could be different from the optimum adjusting voltage Optimum adjusting Voltage Stated...

Page 41: ...41 Adjusting Method FIG 6 1 X SUS PCB Adjusting Points...

Page 42: ...42 Adjusting Method FIG 6 2 Y SUS PCB Adjusting Points...

Page 43: ...l cable to the computer s serial port 3 Connect serial cable s opposite end to Jack PCB s RS 232C port 4 Run PC s Flashupgrader exe and then push Next N button 5 Select current Upgrade file Copy files...

Page 44: ...44 SOFTWARE UPGRADE Method 6 Select as above and push Next N button Select Comm port and Boud rate and push Next N button 7 Upgrade process will be displayed Power the AC on will initiate the download...

Page 45: ...45 SOFTWARE UPGRADE Method 8 When all files Upgrade are complete a window below will open Push Finish button to complete the process...

Page 46: ...ols must be kept separately for reassemble 8 2 PCB Disassemble Assemble Method 1 SCANH L PCB refer to FIG 14 FIG 15 Unscrew screws After lightly lift the PCB from the screw boss disconnect from CONNEC...

Page 47: ...e 8 3 FRONT MASK Disassemble Assemble Method 8 3 1 Assembling Disassembling with STAND attached 1 Detach BACK COVER refer to FIG 19 2 With BACK COVER detached screw STAND holding screws Refer to FIG 6...

Page 48: ...ompletely Therefore one person must be holding the FRONT MASK while unscrewing 7 Lift Iron handles attached to the each corners of PANEL BACK PLATE perpendicularly by two workers and put it where clea...

Page 49: ...put selection Is there a weak discharge on the sereen Is P603 correctly connected Is DVS DHS DCLK of Video PCB normal 1 Check other PCBs DIGITAL X Y SUS CONNECTION 2 Reassemble or change PA603 1 confi...

Page 50: ...en COMPOSITE NTSC 3 58MHz check TP COMB CCOMB as well 4 TP VVS VHS VCLK VPEN1 Check If VVS VHS VCLK VPEN1 signal do not appear JACK PCB has a trouble 3 When DTV 1080i 720P 480P signal do not appear on...

Page 51: ...t appear on screen 1 Input DTV or VIDEO signal and see if DTV or VIDEO signals shown on screen If no signal then check TP DCLKB DHS DVS If DCLKB DHS DVS signal do not appear JACK PCB has a trouble 2 P...

Page 52: ...JP708 s SOUND output JACK PCB normal SPEAKER or SOUND CABLE has a trouble So exchange SPEAKER or SOUND CABLE 1 Confirm AC connection 2 Confirm Power S W ON 3 Check Video or other PCBs Check the connec...

Page 53: ...Power S W turn on in Red Does LED turn on in Green Is P601 s 2nd pin output normal Check VIDEO PCB 1 Confirm AC connection 2 Confirm Power S W ON 3 Check other PCBs 1 Check the connection to Video PCB...

Page 54: ...Set turn on with Key operation Whenever push remote controllers button does P602 s 2nd Pin output 1 VIDEO PCB s IR Receiving BLOCK has a trouble 2 Check VIDEO PCB 1 Confirm AC connection 2 Confirm Pow...

Page 55: ...A for 5V 3 3V input 1 5V input 1st and 2nd pin from the top Normal if 4 8V 5 2V 2 3 3V input 6th and 7th pin from the top Normal if 3 2V 3 6V 3 Check the POWER related TP 2 5V 3 3V_1 2 5V_1 6 1 2 5V N...

Page 56: ...56 Main PCB Trouble Diagnosis 2 DHS 3 DEN...

Page 57: ...57 Main PCB Trouble Diagnosis 4 DCLK 5 CLK50M...

Page 58: ...58 Main PCB Trouble Diagnosis 6 M_CLK 7 F_SUBF...

Page 59: ...59 Main PCB Trouble Diagnosis 8 CLK480 9 SLCT...

Page 60: ...60 Main PCB Trouble Diagnosis 10 F_32SFT 11 STILL Continuously Maintaining 0 V 12 OUT_CLK 13 DEN_OUT 3 Same as DEN DELAY form of DEN 14 DCLK_OUT 4 Same as DCLK Only phase is different from DCLK...

Page 61: ...1 5V_1 5V_5 Z_IC4 Z1_BLK Z1_STB Z1_CLK2 Z1_CLK1 Z2_BLK Z2_STB Z2_CLK2 Z2_CLK1 V_MUTE 1 1 1 1 1 1 1 ID11 Z_IC14 ID12 ID13 ID14 ID15 ID16 ID17 ID18 ID19 ID20 ID21 P304 P303 50 1 1 1 50 1 1 1 1 1 1 1 1 1...

Page 62: ...oltage is measured it could be POWER PCB failure 1 Vsus 173V Voltage CHECK When keeping above 10 volt Using not less than 1K ohm 5 Watt resistance to discharge remaining voltage Under 5 volt 2 Vadd 68...

Page 63: ...Open GND Table 2 Diode Tester Measure Value of P202A s Each Terminal red black Terminal Shape Top view components side 1 2 3 4 5 6 7 8 9 101112 P202A PIN 6 7 10 11 is GND DIODE TESTER MEASURE DIODE TE...

Page 64: ..._SUS PCB Repair Make sure to check power module s high voltage Vsus Vadd If remaining voltage detected use resistance to discharge them Make sure to check Connector Power Connector Signal Connector s...

Page 65: ...to Y SUS PCB and set POWER PCB s condition to LOW Voltage After that perform DC VOLTAGE TESTER Measurement as following table NAME DIODE TESTER MEASURE DIODE TESTER MEASURE 1 Vpp Over 38V Under 38V Vs...

Page 66: ...age Under 5 volt 7 Check the Connectors Connection 8 If no fault detected from above tests do the following 1 Use DIODE TESTER reffering to the following Table 1 4 2 If abnormal components CHECK then...

Page 67: ...7 P102A DIODE TESTER MEASURE DIODE TESTER MEASURE 1 Over 1 2V 1 Over 0 4V 2 OPEN 2 Over 0 8V 3 OPEN 3 Over 0 8V 4 OPEN 4 Over 0 8V GND 5 OPEN GND 5 Over 0 8V 6 OPEN 6 Over 0 8V 7 OPEN 7 Over 0 8V 8 Ov...

Page 68: ...black Location NAME DIODE MEASURE DIODE MEASURE TESTER TESTER 1 QY20 QY23 D After about Over 0 4V S 3 sec OPEN 2 QY7 QY12 D OPEN Over 0 4V S 3 QY14 QY19 D OPEN Over 0 4V S 4 QY13 D OPEN Over 0 4V S 5...

Page 69: ...the PCB is attached to the SET and looked from the front 1 V_SUS 2 V_SUS 3 V_SUS 4 V_SUS 5 NC 6 V_CC 7 V_DD 8 NC 9 SIG_GND 10 SIG_GND 11 NC 12 IN1 11 SD1 12 IN2 13 NC 14 IN3 15 SD2 16 NC 17 IN4 13 SD3...

Page 70: ...about 10sec OPEN 29 30 Over 0 3V 31 NC 31 NC 32 35 GND 32 35 GND 36 NC 36 NC 37 38 OPEN 37 38 Over 0 3V 39 40 OPEN 39 40 Over 0 3V Note after Y_SUSTAIN B D REPAIR Make sure to check power module s hig...

Page 71: ...But when separated Vadd and or 5V is supplied normally If this is the case check each connectors connection Check if there isn t any extraneous material between the Connector pins Check whether cable...

Page 72: ...4 10 are NOT normal Or when set to HIGH Voltage output voltage table list 1 3 are NOT normal Refer to 4 3 2 When output condition of Power Module is set to LOW Voltage output voltage table lists 4 10...

Page 73: ...ectric screwdriver plastic adjusting tool 6 Each BLOCK operation was explained including DIGITAL OSCILLOSCOPE signal but this is reference only and applying them for repair is not necessary After addi...

Page 74: ...refer to Service Manual 10 3 3 Symptoms of DATA COF Trouble Note 1 DATA COF consists of total 7 PADs in a SET Each COF PAD consists of total four 96 PIN output DATA DRIVER IC which drives one seventh...

Page 75: ...er turn off AC Power if turn on again it operates normally again Symptom 6 Remote Control or KEY does not operate Symptom 7 POWER SHUT DOWN occur refer to Service Manual 10 3 7 Symptoms of CONN LEFT C...

Page 76: ...uble refer to Trouble Symptom Picture 1 Possible Symptoms when X SUS PCB has a trouble P302 P302A CONNECTION contains X SUS PCB CONTROL SIGNAL as well as DATA So if this CONNECTION is bad X SUS PCB mi...

Page 77: ...1A P201A disconnected although you turn the SET OFF again Remaining Voltage still exists in the POWER PCB Therefore assemble the connectors several minutes after Or check the Remaining Voltage Vsus Va...

Page 78: ...efer to Trouble Symptom Picture 5 Single Vertical Line An irregular Vertical Line exists independently on the screen Refer to Trouble Symptom Picture 4 Block Vertical Line Vertical Line with Block Sha...

Page 79: ...ise SCANL PCB connector PS01 PS08 PY01 PY04 condition Secondly check if there are no dust bits of iron or any other extraneous material between the connectors Thirdly reassemble and check if the probl...

Page 80: ...troller LOW VOLTAGE part is N G PCB check priority DIGITAL VIDEO POWER Trouble Diagnosis in order shown as FIG 10 2 HIGH VOLTAGE part is N G PCB check priority X SUS Y SUS SCAN Trouble Diagnosis in or...

Page 81: ...ON PWR ON with Remote Controller SHUT DOWN occur AC PWR OFF Reconnect only X SUS s PWR Connector P201A AC PWR ON PWR ON with Remote Controller SHUT DOWN occur SHUT DOWN occur Disconnect DIGITAL s PWR...

Page 82: ...o FIG 21 Disconnect X SUS Y SUS s PWR Connector P201A P101A AC PWR ON PWR ON with Remote Conrtoller Reconnect only X SUS s PWR Connector P201A AC PWR ON PWR ON with Remote Controller SHUT DOWN occur S...

Page 83: ...CB separated from Y SUS PCB DIODE TEST for SCANL H PCB refer to 9 4 FIG 24 25 Replace X SUS PCB Replace Y SUS PCB Replace SCANL H PCB SCANL H PCB is N G Y SUS PCB is N G Y SUS PCB is N G SCAN PCB is N...

Page 84: ...NNECTOR 4950706024 12505WR 06 12505TS 30 21 CONNECTOR 4950710013 YMH025 10R YMT025R ULW 450 22 CONNECTOR 4950705012 YMH025 05R YMT025R ULW 440 23 CONNECTOR 4950706025 12505HS 06 12505TS ULW 750 24 CON...

Page 85: ...84...

Page 86: ...86 13 FIGURE COLLECTION FIG 1 TOTAL...

Page 87: ...87 FIGURE COLLECTION FIG 2 Y SUS SCAN...

Page 88: ...88 FIGURE COLLECTION FIG 3 X SUS...

Page 89: ...89 FIGURE COLLECTION FIG 4 VIDEO JACK...

Page 90: ...90 FIGURE COLLECTION FIG 5 POWER...

Page 91: ...91 FIGURE COLLECTION FIG 6 INLET...

Page 92: ...92 FIGURE COLLECTION FIG 7 LEFT UP...

Page 93: ...93 FIGURE COLLECTION FIG 8 LEFT DOWN...

Page 94: ...94 FIGURE COLLECTION FIG 9 RIGHT UP...

Page 95: ...95 FIGURE COLLECTION FIG 10 RIGHT DOWN...

Page 96: ...96 FIGURE COLLECTION FIG 11 WITHOUT JACK...

Page 97: ...97 FIGURE COLLECTION FIG 12 DIGITAL...

Page 98: ...98 FIGURE COLLECTION FIG 13 AC SWITCH ASSEMBLY...

Page 99: ...99 FIGURE COLLECTION FIG 14 SCAN ASSEMBLY 1...

Page 100: ...100 FIGURE COLLECTION FIG 15 SCAN ASSEMBLY 2...

Page 101: ...101 FIGURE COLLECTION FIG 16 X SUS_ASSEMBLY...

Page 102: ...102 FIGURE COLLECTION FIG 17 FRONT MASK_ASSEMBLY...

Page 103: ...103 FIGURE COLLECTION FIG 18 FRONT MASK_INSIDE...

Page 104: ...104 FIGURE COLLECTION FIG 19 BACK COVER...

Page 105: ...105 FIGURE COLLECTION FIG 20 POWER ADJUSTING POINTS...

Page 106: ...106 FIGURE COLLECTION FIG 21 POWER HIGH VOLTAGE SWITCH...

Page 107: ...107 FIGURE COLLECTION FIG 22 HOW TO ADJUST VOLTAGE...

Page 108: ...108 FIGURE COLLECTION FIG 23 Y SUS SCAN PCB DIODE TEST...

Page 109: ...109 FIGURE COLLECTION FIG 24 SCANH PCB DIODE TEST...

Page 110: ...110 FIGURE COLLECTION FIG 25 SCANL PCB DIODE TEST...

Page 111: ...111 FIGURE COLLECTION FIG 26 5 STEP GRAY SCALE PATTERN...

Page 112: ...112 14 Trouble Sumpton Picture Trouble Symptom Picture 1...

Page 113: ...113 Trouble Sumpton Picture Trouble Symptom Picture 2...

Page 114: ...114 Trouble Sumpton Picture Trouble Symptom Picture 3...

Page 115: ...115 Trouble Sumpton Picture Trouble Symptom Picture 4...

Page 116: ...116 Trouble Sumpton Picture Trouble Symptom Picture 5...

Page 117: ...117 Trouble Sumpton Picture Trouble Symptom Picture 6...

Page 118: ...118 Trouble Sumpton Picture Trouble Symptom Picture 7...

Page 119: ...119 Trouble Sumpton Picture Trouble Symptom Picture 8...

Page 120: ...120 Trouble Sumpton Picture Trouble Symptom Picture 9...

Page 121: ...121 Trouble Sumpton Picture Trouble Symptom Picture 10...

Page 122: ...122 Trouble Sumpton Picture Trouble Symptom Picture 11...

Page 123: ...123 Trouble Sumpton Picture Trouble Symptom Picture 12...

Page 124: ......

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