Yamaha PDM-4220 Page 35 Service Manual Download | Manualshive

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PDM-4220

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Block diagram

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Summary of Contents for PDM-4220

Page 1: ...n order not to be injured 2 Replacing work shall be started after the Panel Module and the AC DC Power supply become sufficiently cool 3 Special care shall be taken to the display area in order not to damage its surface 4 The Panel Module shall not be touched with bare hand to protect its surface from stains 5 It is recommended to use clean soft gloves during the replacing work in order to protect...

Page 2: ...tic sources and ambient power lines the panel produces high quality display images free from color misconver gence and display distortion High Performance Digital Processor A wide range of input signals can be handed including composite component and HDMI High Definition Digital Pro cessor creates the fine textured image with dynamic contrast In addition it corresponds to a broad array of per sona...

Page 3: ...terminal RCA OUTPUT MONITOR L R audio monitor output terminal RCA OUTPUT HEADPHONE L R audio monitor output terminal 3 5mm Stereo Mini Jack 1030 W x 636 H x 104 D mm 1024 H x 1024 V pixels Approx 42 inches 922 H x 522 V mm diagonal 1059mm 36 0kg 380W 3W speaker 12W 12W 6Ω AV1 composite video S video L R audio input terminal SCART AV2 composite video RGB L R audio input terminal SCART AV3 composite...

Page 4: ...mpletely melted do not apply the soldering iron without solder Servicing soldering iron A soldering iron with a temperature setting capability temperature control function is recommended The melting point of lead free solder is higher than leaded solder Use a soldering iron that maintains a high stable temperature large heat capacity and that allows temperature adjustment according to the part bei...

Page 5: ... UP DOWN buttons ADJUST buttons Adjustment buttons are located on the bottom The back cover is provided with indications to distinguish the adjustment buttons The main power switch is located at the back on the lower surface Main power switch Main unit Remote control STANDBY ON RECALL TV DVD I i AV 1 AV 2 AV 3 AV 4 AV 5 MENU VOL PROG A MODE P MODE RETURN AV 6 RGB 1 RGB 2 2 3 4 5 6 7 8 0 9 i I II 2...

Page 6: ...stment code buttons are used for changing data values OK button is used for confirming the data After finishing the necessary adjustment press MENU button Adjustment mode is released and the set returns to normal condition Memory Initialize operation NOTE The execution of this function returns the adjustment codes to the preset values therefore adjustment data will be lost Procedure 1 Enter Adjust...

Page 7: ...w level for Dsub Comp Mode 1080i 50 60 720p 7 2 53 main sub YFRNR level MYNRP0 NTSC PAL Multi picture 7 1 54 main sub YFRNR level MYNRP5 NTSC PAL VIDEO 7 0 55 main sub YFRNR level MYNRP6 Scart RGB 50 60Hz 7 0 56 main sub YFRNR level MYNRP6 7 0 57 main sub YFRNR level MYNRP7 7 0 58 main sub YFRNR level MYNRP8 7 0 59 main sub CFRNR level MCNRP0 NTSC PAL 7 0 60 main sub CFRNR level MCNRP5 NTSC PAL VI...

Page 8: ...3 13 146 Y Out Level L 6 5 Sub 63 12 147 Y Out Level L 6 5 Sub 63 15 148 Y Out Level VIDEO Sub 63 13 149 Y Out Level TEXT Sub 63 4 150 Free 151 C Out Level M 4 5 Main 63 7 152 C Out Level B G 5 5 Main 63 7 153 C Out Level D K 6 5 Main 63 7 154 C Out Level I 6 0 Main 63 7 155 C Out Level L 6 5 Main 63 8 156 C Out Level L 6 5 Main 63 8 157 C Out Level VIDEO Main 63 15 158 C Out Level TEXT Main 63 6 ...

Page 9: ...44 HV THRU 2 NTSC PAL 480i 576i 480p 576p 1 0 245 HV THRU 2 1080i 50 60 720p 1 0 246 H_SEP 1 RF VIDEO 1 0 247 H_SEP 1 480i 576i 1 0 248 H_SEP 1 480p 576p 1 0 249 H_SEP 1 1080i_50 1 0 250 H_SEP 1 1080i_60 720p 1 0 251 H_SEP 2 RF VIDEO 1 0 252 H_SEP 2 480i 576i 1 0 253 H_SEP 2 480p 576p 1 0 254 H_SEP 2 1080i_50 1 0 255 H_SEP 2 1080i_60 720p 1 0 256 V_SEP 1 RF VIDEO 1 0 257 V_SEP 1 480i 576i 1 0 258 ...

Page 10: ...C3 58 3 3 349 BYMSLP NTSC3 58 3 3 350 BYSSLP NTSC3 58 3 2 351 BCMESET NTSC3 58 3 2 352 BCMFSET NTSC3 58 3 2 353 BCSESET NTSC3 58 3 2 354 BCSFSET NTSC3 58 3 2 355 BYMESET NTSC3 58 3 3 356 BYMFSET NTSC3 58 3 3 357 BYSESET NTSC3 58 3 3 358 BYSFSET NTSC3 58 3 3 359 BCMUP NTSC3 58 1 1 360 CECMP NTSC3 58 7 4 361 CSCMP NTSC3 58 15 0 362 F1HER NTSC3 58 3 1 363 F1VER NTSC3 58 3 1 364 MREF NTSC3 58 15 2 365...

Page 11: ...g DCBON RF VIDEO Color Temp Nor War 1 1 447 Correction for Tracking DCBON DVI PC DVI STB DSUB RGB 1 1 448 Color Temp Correction 3 2 449 Brightness Limitted Function of PANEL APSON 1 1 450 Dynamic Back Light Correction For LCD 1 1 451 Dynamic Contrast Correction 1 1 452 Histogram Color Management 1 1 453 Histogram Gradation Amp 1 1 454 Histogram Enhancer 1 1 455 Dynamic Enhancer 1 1 456 FC6 THROUGH...

Page 12: ... 6 8 9 RGB1 2 9 0 545 Free 546 Channel Select 0 CCIR 1 CHINA 1 0 547 Auto_sound 4 5 0 Korea 1 BTSC 2 Japan 2 0 548 T TEXT 0 None 1 Yes 1 1 549 Free 550 Channel Preset 0 VESTEL 1 GIFU 2 HAMA 3 HFDM 4 AUSTRALIA 4 1 551 V FREQ 60Hz Force 0 None 1 Yes 1 0 552 Offset value of adjusted TINT For COMPAL factory 20 11 553 Use TINT Offset 0 No 1 Yes For COMPAL factory 1 0 554 PDP BLK ON OFF 1 ON 0 OFF 1 0 5...

Page 13: ... value 1 625 SiI9993 Read Data NHRDH1 N hardware value 1 626 SiI9993 Read Data CHRDL1 CTS hardware value 1 627 SiI9993 Read Data CHRDM1 CTS hardware value 1 628 SiI9993 Read Data CHRDH1 CTS hardware value 1 629 SiI9993 Read Data ACR1 ACR PLL hardware value 1 630 SiI9993 Read Data ACRS1 ACR PLL hardware value 1 631 SiI9993 Read Data SFREQ1 Extracted Sampling Frequency 1 channel status b24 27 same v...

Page 14: ...D YPbPr 50 60Hz 127 70 43 Color Center CM DVI PC 127 64 44 Color Center CM DVI STB 480i 576i 480p 576p 127 62 45 Color Center CM DVI STB 1080i 50 60 720p 127 62 46 Color Center CM DVI STB VGA 127 62 47 Color Center CM DSUB RGB 127 64 48 Tint Center CM PAL 254 125 49 Tint Center CM Scart RGB 50Hz 254 121 50 Tint Center CM Scart RGB 60Hz 254 120 51 Tint Center CM SD YCbCr 50Hz 254 123 52 Tint Center...

Page 15: ... PAL 480i 576i Multi picture 15 15 143 YVECLPL1 480p 576p 1080i 50 60 720p 15 8 144 Vertical Non Linear Peaking for Y G YVNLP0 NTSC PAL 480i 576i Multi picture 63 0 145 YVNLP1 480p 576p 1080i 50 60 720p 63 0 146 Horizontal Enhancer Gain for Y R YHEG0 NTSC PAL except RF 480i 576i 15 15 147 YHEG1 480p 576p 15 15 148 YHEG2 15 149 YHEG3 PAL RF Multi picture 15 15 150 Horizontal DSB Gain for Y R YHDSBG...

Page 16: ...r Gain for Y HDMI 720p 31 6 199 Center of Sharpness HV Enhancer Gain for Y HDMI 1080i 50 60 31 200 Center of Sharpness HV Enhancer Gain for Y HDMI VGA 31 10 201 Color Center CM HDMI YCbCr 50Hz 576i 576p 127 65 202 Color Center CM HDMI YCbCr 60Hz 480i 480p 127 65 203 Color Center CM HDMI YPbPr 1080i 50 60 720p 127 65 204 Tint Center CM HDMI YCbCr 50Hz 576i 576p 254 126 205 Tint Center CM HDMI YCbCr...

Page 17: ...t Va voltage to be within 0 2V of the value specified in the label on the panel Adjust within 1V at Va1 Adjust within 0 2V at Va2 3 Connect voltmeter leads to Vs or Va and GND test points of the power unit 3 Label example LOT N6 Vs 80 0V Va 60 0V Vw 140 0V Vx 60 0V Power Supply Unit X sus Y sus Rear View Panel Module Label Reconfirm that Vs voltage remains within 0 1V of the specified value Readju...

Page 18: ... RGB Amplitude Adjustment Main Sub Select No 653 RGB amplitude gain adjustment Sub of Service Adjustment Menu Press OK key more than 2 seconds to start the automatic adjustment The adjustment completes when the indication Auto Mode at the bottom of the screen disappears Note Never adjust without use of the specified signal If that were done by mistake the picture would become abnormal in black lev...

Page 19: ... below Note At least one of the data shoud be 255 Ensure that the service adjustment menu sub menu No 0 1 2 are all set as 255 Confirm that the mode is set as Factory Adjustment mode Perform the following adjustment with the remote control Set the CRT color analyzer CA100 at the center of the panel Component signal 480i Video level 0 700Vp p Sync level 0 300Vp p Setup level 0V Adjustment Preparati...

Page 20: ...d adjust the values as shown below Note At least one of the data should be 255 Item Applicable Model All models Preparation Procedure 1 Set signal generator output as All White Window ratio 100 1 2 Component signal 480i Video level 0 700Vp p Sync level 0 300Vp p Setup level 0V 2 Specification Video color Color temperature Warm x 0 314 0 005 y 0 327 0 005 3 4 Check that Picture Menu is set as RESET...

Page 21: ...r one among adjustment No 9 10 11 and adjust the values as shown below Note At least one of the data should be 255 Specification Video color Color temperature B W x 0 335 0 005 y 0 343 0 005 Set into Factory Adjustment mode Item Applicable Model All models 1 1 PC Color Temperature Adjustment Perform after the video color temperature adjustment Write the results of the video color temp adjustment D...

Page 22: ...from this mode press the SUB POWER button INPUT SELECT button and button at the same time and hold for more than 5 seconds Burn in mode will be released How to recover the remote and front key function If remote and front key cannot operate after miss set special function by front keys these functions can recover by below method Press the SUB POWER button INPUT SELECT button and button at the same...

Page 23: ...tage applied to Power supply unit CN61 AC inlet Power switch AC Fuse F902 T6 3AH 250V Are the voltages applied to CN63 pins and CNPPS pins of Power supply unit CN63 5V CNPPS 30V 3 3V 5V 12V 10V Joint Formatter PWB Power supply unit No Yes Filter PWB Re adjustment is reqired Plese refer to 21 page ...

Page 24: ...Are waveforms at pin 46 47 48 of IT01 No No pin 31 of IT01 TV CV No Is waveform at pin 25 of PTV2 TV CV Check Video PWB No Yes Yes Yes Yes Check PTV2 connector Check QT03 QT04 QT05 Check around IT01 Check around QT01 QT02 Is waveform at or Video PWB Teletext Tuner PWB Circuit ...

Page 25: ...orm at pin 49 of PTV2 TV CV Is waveform at pin 7 of I101 TV CV No Is waveform at pin 18 of U101 TV CV No Check U101 No Yes Yes Yes Check Video PWB Check Q106 Check around Q101 Q102 Q103 No Picture of TV TV Signal Tuner PWB Circuit ...

Page 26: ...veforms at pin 22 of U101 SIF No Check U101 Yes Yes Yes Yes Check PTV2 connector or Video PWB Check arpund QN01 QN02 Is voltage at H Check around IN01 Yes How about base of QK02 No No Check QK02 QK03 Yes Check I001 of Formatter PWB No Check QK02 QK03 pin 22 of IN01 No sound of TV Does voltage at pin 22 of IN02 change for Low to High ...

Page 27: ...and 29pin Cr of I601 Check I601 Check HDMI PWB YES NO Single picture or Main NTSC or PAL RF Composite Video YES NTSC PAL RF Composite Video NO S Video SECAM SECAM RF Composite Video YES SECAM RF Composite Video NO S Video Are waveforms at 5pin Y and 7pin C of I501 Check I501 Are waveforms at TP32 Y and TP33 C YES NO Check Q304 Q305 Q306 Q307 Q308 Q309 Q501 Q503 YES NO Is waveform at 44pin CV of I5...

Page 28: ...Video S Video Are waveforms at 25pin Y 27pin Cb and 29pin Cr of I601 Check I601 Check HDMI PWB YES NO Are waveforms at 21pin Y 22pin Cb and 23pin Cr of I502 Check Q508 Q509 and Q510 YES NO RF Input or Composite Video Input YES RF Composite Video NO S Video Is waveform at 1pin CV of I502 Check I502 YES NO Is waveform at 53pin CV of I201 Check Q209 and Q511 RF Input YES NO Check I201 and SUB TUNER P...

Page 29: ...forms at 31pin H and 32pin V of I601 Check I601 YES NO NTSC or PAL RF Composite Video YES NTSC PAL RF Composite Video NO S Video SECAM SECAM RF Composite Video YES SECAM RF Composite Video NO S Video HDMI Input YES HDMI NO RF Composite Video S Video Is waveform at 25pin Y of I601 Check I601 Check HDMI PWB YES NO Is waveform at 44pin Y of I501 Check I501 and Q211 Is waveform at 44pin Y of I201 YES ...

Page 30: ...put terminal Is waveform at 53pin CV of I201 Check Q209 and Q511 YES NO Are waveforms at 33pin H and 34pin V of I601 Check I601 YES NO RF Input or Composite Video Input YES RF Composite Video NO S Video HDMI Input YES HDMI NO RF Composite Video S Video Is waveform at 25pin Y of I601 Check I601 Check HDMI PWB YES NO Is waveform at 1pin CV of I502 Check I502 YES NO Is waveform at 53pin CV of I201 Ch...

Page 31: ...s at 12pin Y 15pin Cb and 7pin Cr of IH13 Check QH20 QH21 and QH22 YES NO YES NO No sound Are waveforms at 37pin L and 35pin R of PHV1 Check ETV3 and VIDEO PWB Are waveforms at 7pin L and 8pin R of IH14 YES NO Check IH15 Are waveforms at 26pin SCK 32pin BCK 30pin DATA and 31pin LRCK of IH13 YES NO Check IH14 Check IH13 YES NO HDMI HDMI PWB Circuit ...

Page 32: ...itor or the remote control Procedure 1 Press the SUB POWER button and button on the bottom of the monitor at the same time and keep it for more than 5 seconds after the power turned on 2 It generates red blinking series of the power indicator light 3 Any operation would cancel the Self Diagnosis mode 4 The next table shows the PDP PWB in which failure most probably would be allocated according to ...

Page 33: ...result Check item OSD Signal circuit self diagnosis function This function is for the failure of the signal circuit for example the phenomenon as below Sometimes power turns off abnormally Sometimes picture disappears abnormally To enter to this Self Diagnosis mode follow the next steps Preparation 1 The Power Cord should be connected to AC line and the Main Power switch should be turned on 2 Turn...

Page 34: ...34 PDM 4220 PDM 4220 MEMO ...

Page 35: ...PDM 4220 35 Block diagram ...

Page 36: ...ND IRQ_DTT FBLK3 ETHER TX ETHER RX SCL5 SDA5 HP_DETEC EDID_PROTECT HDMI_A_SWG ND BACKLIGHT DTT_POWER GND EVOLUME V FREQ_1 GND DEMP_OUT TV AFC S HP VOL GND N C H FREQ_1 SW_R_OUT DIP DET HDMI HPDRESET FE AGC_I S GND SW_L_OUT CUR_PRTCT HDMI RESET WSS_2 STAND CIR_DE T RXD BUSY VPP TXD SCLK CNVSS RESET S TXD S RXD RES MD2 FEW FCK GND 3 3V 1 GND GND SCr GND MY MCb GND GND GND MCr SY SCb GND 1 3 3V FE 30...

Page 37: ...0 37 wiring diagram 1 2 LEAD with FERRITE CORE SK Binder side To joint PWB to the next page FERRITE CORE No 6 No 6 POWER UNIT LEAD with No 11 Replacement parts are available for the shaded parts Wiring diagram ...

Page 38: ... FORMATER 13 4 PSC2 PFJ3 PJF3 FERRITE CORE SK Binder side 8 9 Detail 2 Clamp the wire as wiring diagram 2 2 2 50P Flat cable No 3 Flat core NVS1 LED RECEIVER PWB TACT SW PWB SP TERMINAL R PWB FILTER PWB No 11 JOINT PWB No 6 POWER UNIT No 7 SP TERMINAL L PWB AUDIO PWB Replacement parts are available for the shaded parts ...

Page 39: ... 39 Disassembly diagram 08G 212E 202E STANDBY ON RECALL TV DVD I i AV 1 AV 2 AV 3 AV 4 AV 5 MENU VOL PROG A MODE P MODE RETURN AV 6 RGB 1 RGB 2 2 3 4 5 6 7 8 0 9 i I II 2 4 12 1 OK P P U001 E01 E02 E04 E08 x25 ...

Page 40: ...ng Apply it before packing this panel module Attachment for packing Apply it before packing this panel module Y SUS PWB ASS Y Manufactured at FHP factory Panel ABUS R Panel ABUS L No Parts No Spare Part Name FHP Spare Part No Remarks 1 Panel Module FPF42C128128UD 55 2 AAX71930 LOGIC A2 PWB ASS Y FPF28R LGC0045 TS05771 3 AAX71860 X SUS A2 PWB ASS Y FPF28R XSS0026 TS05772 4 AAX71870 Y SUS A2 PWB ASS...

Page 41: ...0 PW1 KEY SW LABEL QL23981 204 AAX54210 SPEAKER LABEL CL42 QL21193 205 AAX54260 BACK COVER GRIP PH31101 210 AAX54460 TEMP CAUTION LABEL E F QL21403 212E AAX53940 AC LABEL CL32 QL21001 215 AAX54170 CABLE CLAMP 3705264 216 AAX72050 4X10 SCREW D3 BIND CP GRIP MJ03895 250 AAX72050 4X10 SCREW D3 BIND CP GRIP MJ03895 410 AAX71780 AC INLET COVER QA02524 451 AAX54330 POWER BUTTON PANEL PH31142 452 AAX5432...

Page 42: ...42 PDM 4220 PDM 4220 Diagnosis of the Panel module NAME and FUNCTION CONFIGURATION FPF42C128128UD 55 LOGIC set out right side X SUS Y SUS LOGIC SDM U SDM D XBB U XBB D ABUSL ABUSR ADM1 ADM8 ...

Page 43: ... SUS B LOGIC B Y SUS EVEN SW X SUS EVEN SW Y SUS ODD SW Y SCAN ODD SW X SUS ODD SW X SCAN ODD SW RGB GAIN DITHER ERR SUB FIELD PRC POS RESET SW POS NEG RESET SW MEMORY CONTROLLER LVDS 24MHz D A V SYNC cont APC cont I O EEPROM Failure DET FLASH Analog Sw OSC 40MH CN1 CN51 CN41 CN5 CN4 PSU B 1 CN6 CN69 SCI I 2 C Vrs Vra Vrw Vrx PFCgo Vsago Vcego SIGNAL INPUT ADM1 ADM2 ADM3 ADM5 ADM6 ADM7 ADM8 ADM4 C...

Page 44: ...85V PFC Vs Va 5 3 3V control Vcc MPU 380V PFCgo Vsago Vcego Vsago Vsago Vcego PFCgo 10A CPUgo PDPgo CN23 5V 63V AC100 240V Vxwgo DC DC CONVERTER XFVE Vxx VE 18V 20V 17V Vcc 5V DC DC CONVERTER YFVE Vy VE 18V 18V17V Vcc 5V Vs 85V Va 63V Vw190V Vpr2 3 3V Vs 85V Servce SW POS NEG RESET SW Vrst Vcc Vpr2 3 3V 85V Vpr1 5V RST CN32 CN22 CN6 CN61 CN64 CN68 D A Vra Vra Vrs Vrw Vrx PSU B ADM4 ADM2 ADM5 ADM3 ...

Page 45: ... effective scan area Vertical line of different color Panel chassis Replace panel chassis 5 Bar width of 1 7 of horizontal size or in multiples of 1 7 is displayed Abnormal display Panel chassis ABUSL ABUSR LOGIC Above boards are connected Refer to Chapter 4 6 2 6 Vertical bar Bar width of 3 7 or 4 7 of the screen width is displayed Abnormal display Vertical line of different color ABUSL ABUSR LOG...

Page 46: ...n the upper or lower part of screen Panel chassis Perform all white heat run After judgment replace panel chassis 13 Twinkle The entire screen momentarily becomes brighter or darker 14 Flicker The entire screen flickers continuously Poorconnector contact CN2 3 21 31 Connector cable re connection or Cable exchange 15 Luminanceis abnormal Screen is too dark or too bright Out of specifications 16 Chr...

Page 47: ...O Fault contents Fault status Suspected fault location Analysis procedure and measure 21 Cont rolon external communicat i on is abnormal Contrast color temperature adjustment and ϒ cannot be changed LOGIC Replace LOGIC board ...

Page 48: ...SSEMBLING Unless otherwise specified use the torque screwdriver for screw tightening following the tightening torques below Screw size Tightening torque M 3 69 0 049Nm 7 0 5kg cm M 4 1 18 0 098Nm 12 1 0kg cm EXPLODED VIEW 1 3 4 2 5 7 6 7 8 9 10 ...

Page 49: ...at 4 locations 2 Pull out the XBB board horizontally and disconnect the connectors CN24 CN25 3 Release the lock of the FPC connector CN21 and disconnect the signal cable 4 Disconnect the cables from the VH connectors CN22 CN23 5 Remove the fixing screws M3x8 fixing XSUS at 5 locations and rod at 2 locations 6 Remove the X SUS board Make sure that you do not to hold the heat sink when removing the ...

Page 50: ...50 PDM 4220 PDM 4220 3 ...

Page 51: ...g SDM at 6 locations 2 Pull out the SDM board horizontally and disconnect the connectors CN34 CN35 3 Release the lock of the FPC connector CN31 and disconnect the signal cable 4 Disconnect the cables from the VH connectors CN32 5 Remove the fixing screws M3x8 fixing YSUS at 5 locations and rod at 2 locations 6 Remove the Y SUS board Make sure that you do not to hold the heat sink when removing the...

Page 52: ...52 PDM 4220 PDM 4220 4 ...

Page 53: ... 2 Raise the lock of the FPC connectors CN53 CN54 CN55 CN56 and CN57 to release it and remove the ADM flexible board 3 Release the lock of the FPC connector CN51 and disconnect the signal cable FPC 4 Remove the screws M3x8 fixing the Radiator Plate at the 5 locations 5 Remove the screws M3x8 fixing the ABUS L board at the 2 location 6 Remove the ABUS L board 7 When installing the ABUS L board plac...

Page 54: ...54 PDM 4220 PDM 4220 5 ...

Page 55: ...Raise the lock of the FPC connectors CN43 CN44 CN45 CN46 and CN47 to release it and disconnect the ADM flexible board 3 Release the lock of the FPC connector CN41 and disconnect the signal cable FPC 4 Remove the screws M3X8 fixing the Radiator Plate at the 5 locations 5 Remove the screws M3X8 fixing the ABUS R board at the 2 locations 6 Remove the ABUS R board When installing the ABUS R board plac...

Page 56: ...56 PDM 4220 PDM 4220 6 ...

Page 57: ...ixing the shield Plate in position at 4 locations 4 Remove the screws M3x8 fixing the LOGIC board in position at 2 locations 5 Remove the LOGIC board 6 When installing the LOGIC board place it so that the LOGIC board is locked by the tabs for fixing it in position at 3 locations On handling the FPC connect or To release the lock release it by gently flipping it Never pinch the lock lever with the ...

Page 58: ...58 PDM 4220 PDM 4220 2 ...

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