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akira PLT-42TT, Service Manual

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akira PLT-42TT Service Manual Download Page 26

TROUBLE SHOOTING GUIDES                                                                VER1.0

5-5

No Remote Control

SET POWER ON

Remote Control

Check

Replace

Battery

OK

Front Button Control Board

(DPWB11372-1G-KS)

Check

Replace Front Button

Control Board

(DPWB11372-1G-KS)

Check

OK

Image Board

(DPWB11393-1G--S)

Check

Replace Image Board

(DPWB11393-1G--S)

Check

O K

NG

G

G

NG

NG

Replace

(BRC-241) 

Check

OK

All manuals and user guides at all-guides.com

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Summary of Contents for PLT-42TT

Page 1: ...P P Pl l la a as s sm m ma a a T T TV V V S S Se e er r rv v vi i ic c ce e e M M Ma a an n nu u ua a al l l All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 2: ...M M Mo o od d de e el l l G G Gr r ro o ou u up p p P P PL L LT T T 4 4 42 2 2T T TT T T MODEL PLT 42TT All manuals and user guides at all guides com...

Page 3: ...3 FACTORY ELECTRONIC ADJUSTMENT 3 2 4 BLOCK DIAGRAM 4 5 5 TROUBLE SHOOTING GUIDES 5 6 6 P C BOARD TOP VIEW 6 8 7 ELECTRONIC MODULES LIST 7 1 8 SCHEMATIC DIAGRAM 8 21 9 EXPLODED VIEW 9 1 10 PACKAGING...

Page 4: ...an National Standards Institutes ANSI C101 1 Leakage Current for Appliances and Underwriters Laboratories UL 478 With the instrument AC switch first in the ON position and then in the OFF position mea...

Page 5: ...l lead dress Take extra care to assure correct lead dress in the following areas a near sharp edges b near thermally hot parts be sure that leads and components do not touch thermally hot parts c the...

Page 6: ...p p 20ms Max d Power consumption 380 10 Watts at 110Vac color bar pattern e Stand by DPMS 5 Watts Max at 110Vac 2 3 Input Signal 2 3 1Connector Type RCA Jack for audio video Y CB CR and Y PB PR 6 pin...

Page 7: ...ment 1 RED 6 RED GND 11 GND 2 GREEN 7 GREEN GND 12 SDA 3 BLUE 8 BLUE GND 13 H SYNC 4 GND 9 NC 14 V SYNC 5 GND 10 GND 15 SCL 2 3 8Pin Assignments For 24 Pin DVI Connector Digital Only Pin Signal Assign...

Page 8: ...78 750 13 1024 XGA 768 85 68 7 84 99 94 500 14 1280 SXGA 1024 60 63 98 60 02 108 00 15 1280 SXGA 1024 75 79 98 75 03 135 00 16 1280 SXGA 1024 85 91 15 85 02 157 50 18 640 VGA 350 70 31 50 70 25 175 19...

Page 9: ...le pressing recall button to set default brightness b raster background with contrast brightness at Max and black signal less than 0 4FL 2 5 Operation Main unit button Main power switch power ON OFF P...

Page 10: ...ibration X Y Z 0 5G 10 55Hz sweep 10 minutes 4 3 Acoustics IHF A weighted 1meter 40dB Max 5 SOUND a Residual hum at volume min 500 W Max b Practical max Audio output at 10 THD max 1 0vp p 1K Hz input...

Page 11: ...AGC Cut In Level 55dB 2dB 6 7 FM AM Rejection 100mV at SIF input 14dB min 6 8 Noise Limits Sensitivity VHF 45dB max UHF 49dB max 7 RELIABILITY REQUIREMENT The MTBF needs 20000hrs under operation 25 5...

Page 12: ...Pulse Active Normal power Stand by No pulse No pulse No video Power off Pulse No pulse Power saving No pulse Pulse Blanked Less than 5 watts This Plasma display is Energy star compliant when used wit...

Page 13: ...24 32 16 56 24 40 56 16 32 Dots Horizontal sync 96 40 64 56 72 128 120 80 64 Dots Horizontal back porch 40 120 120 80 128 88 64 160 152 Dots Horiz blanking time 160 192 200 192 224 256 240 256 248 Dot...

Page 14: ...l frequency 60 01 70 07 75 03 84 99 60 02 75 03 85 02 70 50 Hz Vertical sync polarity TTL Horiz sync polarity TTL Dot rate 65 75 78 75 94 5 108 135 157 5 25 175 25 175 MHz Mode No 20 21 22 23 24 25 26...

Page 15: ...PANEL GND 1 DIGITAL BOARD CON01 SELECT TO INT 2 DIGITAL BOARD CON05 SELECT TO EXT 3 MAKE A SW CONEECT TO POWER BOARD CON80011 PIN 1 PIN5 FOR POWER SWITCH 4 FOLLOW THE PANEL LABEL VOLTAGE ADJUST VR 5...

Page 16: ...just R or B to let the value of X Y on CA 100 be the same as the value showing on screen The value of Y should be maintain 25 during the adjustment c Repeat to check the Bias and Gain The value of Y X...

Page 17: ...n 1 31 5V JP4_1 Pi Interface Board Y Ass y JP2_1 Pin 1 32 9V Logic E Buffer 12 JA3_1 Pin 1 6 4 JP1_1 Pin 1 32 J15_1 Pin 1 4 J25_1 Pin 1 3 AV Module Board with Tuner Assy LVDS Power SW 13 Y Amp Board U...

Page 18: ...16 A8 5VA Pin 10 Pin 36 Pin 7 GND JA1 12 Pin GND C11 Audi NC Pin 2 Pin 11 24V SURR2 C7 B8 Pin 28 GND C14 RCLK NC Pin 9 NC Pin 5 Pin 6 C3 Pin 25 Pin 7 GND Pin 17 C6 A6 A13 Pin 31 B9 DGND C2 NC J12 10 P...

Page 19: ...PR IC7 PAGE7 YUV Y2 CB CR DVI IN Y MULTIPLEX SWITCH PAGE1 VIDEO SIL161 DVI YCBCR YPBPR Y1 PB PR 6630 6730 SUB Video Porcessor AD Converter IC1 PAGE8 RGB IN VIDEO U43 PAGE9 PAGE5 IC3 U32 MULTIPLEX SWIT...

Page 20: ...3 4 5 6 7 5VDDA 5VDDD U62 5V1 SB5V_V J25 1 2 3 P5V VCCBF U52 U58 U31 9V V33P J15 1 2 3 4 5V_OSD SB5V U61 U56 D43 VDD33 V33PLL CON8009 1 2 3 4 5 6 7 8 9 VDDM USB5V SB5V_M SB5V_IO SB5V_CPU VCCPLL 24V Im...

Page 21: ...R PAGE1 IC2 FROM AV SELECT OR M AIN POWER AM PLIFIER ICR1 U1 Q8 Q9 Q11 BUFFER AM PLIFIER PDP Sound Block Diagram M UTE DPWB11372 1G SS ICA3 PAGE2 FIXED VARIBLE OUTPUT SELECT OR M UTE Q1 Q2 ICS2 AV_ OU...

Page 22: ...t Module LJ92 00579A Check Replace Power Input Module LJ92 00579A Check OK Panel Power Supply LJ44 00025A Check Replace Panel Power Supply LJ44 00025A Check OK AC Master Power Switch Board DPWB11398 1...

Page 23: ...G TS Check G Replace AV Module Board DPWB11372 1G TS Check NG OK Image Board DPWB11393 1G S Check G NG Replace Image Board DPWB11393 1G S Check OK PDP Panel Module VVEPP42SD001F Check NG Replace PDP P...

Page 24: ...ical Line Fail Interface Board X LJ92 00568B Check G Replace Interface Board X LJ92 00568B Check NG OK PDP Panel Module Assembly VVEPP42SD001F Check NG Replace PDP Panel Module Assembly VVEPP42SD001F...

Page 25: ...embly VVEPP42SD001F Check NG Replace PDP Panel Assembly VVEPP42SD001F Check OK Y Amp Board Upper LJ92 00570A Check Y Amp Board Lower LJ92 00571A Check Replace Y Amp Board Upper LJ92 00570A Check Y Amp...

Page 26: ...OK Front Button Control Board DPWB11372 1G KS Check Replace Front Button Control Board DPWB11372 1G KS Check OK Image Board DPWB11393 1G S Check Replace Image Board DPWB11393 1G S Check O K NG G G NG...

Page 27: ...ET POWER ON Front Button Control Board DPWB11372 1G KS Check Replace Front Button Control Board DPWB11372 1G KS Check OK Image Board DPWB11393 1G S Check Replace Image Board DPWB11393 1G S Check OK NG...

Page 28: ...P C BOARD TOP VIEW VER1 0 MODULE NAME PART NO IMAGE BOARD ASS Y DPWB11393 1G S MODULE NAME PART NO AC MASTER POWER SWITCH B D ASS Y DPWB11398 1G All manuals and user guides at all guides com...

Page 29: ...C BOARD TOP VIEW VER1 0 MODULE NAME PART NO AUDIO AMPLIFIER BOARD ASS Y DPWB11372 1G SS MODULE NAME PART NO FRONT BUTTON CONTROL BOARD ASS Y DPWB11372 1G KS All manuals and user guides at all guides c...

Page 30: ...P C BOARD TOP VIEW VER1 0 MODULE NAME PART NO AV MODULE BOARD ASS Y DPWB11372 1G TS MODULE NAME PART NO INTERFACE BOARD Y A SSY LJ92 00569B All manuals and user guides at all guides com...

Page 31: ...C BOARD TOP VIEW VER1 0 MODULE NAME PART NO LOGIC BOARD ASS Y LJ92 00573 MODULE NAME PART NO PANEL POWER SUPPLY ASS Y LJ44 00025A All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 32: ...P C BOARD TOP VIEW VER1 0 MODULE NAME PART NO POWER INPUT MODULE ASS Y LJ92 00579A MODULE NAME PART NO INTERFACE BOARD X ASS Y LJ92 00568B All manuals and user guides at all guides com...

Page 33: ...P C BOARD TOP VIEW VER1 0 MODULE NAME PART NO LOGIC E BUFFER ASS Y LJ92 00581A MODULE NAME PART NO Y AMP BOARD UPPER ASS Y LJ92 00570A All manuals and user guides at all guides com...

Page 34: ...P C BOARD TOP VIEW VER1 0 MODULE NAME PART NO Y AMP BOARD LOWER ASS Y LJ92 00571A MODULE NAME PART NO LOGIC F BUFFER ASS Y LJ92 00582A All manuals and user guides at all guides com...

Page 35: ...P C BOARD TOP VIEW MODULE NAME PART NO PDP PANEL MODULE ASS Y VVEPP42SD001F All manuals and user guides at all guides com...

Page 36: ...ard with tuner Sampo DPWB11372 1G AS 1 6 Interface Board Y Samsung LJ92 00569B 1 7 Logic Board Samsung LJ92 00573A 1 8 Panel Power Supply Samsung LJ44 00025A 1 9 Power Input Module Samsung LJ92 00579A...

Page 37: ...1 16W V R291 12K 1 16W R296 47K 1 16W C289 2200PF 50V R311 22K 1 16W C293 0 01uF 50V R279 1K 1 16W C214 10uF 16V C221 10uF 16V C224 100uF 16V P9V V CON1 P5V_COLOR DPTV_VS P 3 V12 D36 RLS4148 R363 75 1...

Page 38: ...6W R188 4 7K 1 16W A 9V C192 1uF 50V V V IC1 TA8851CN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 LIN E2 VIN E2 RIN E2 LIN E1 VIN E1 RIN E1 VIN S...

Page 39: ...A VDD_ADC VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD AVSSA MD_MP9 YD1 14 318MHz CD102 0 01uF 50V CD8 10uF 16V ALE MD_MP22 MD_MP43 MD_MP44 V25_MP MD_MP15 MD_MP10 MD_MP36 LD13 0 1 8W MD_MP42 MD_MP40 MLF AV...

Page 40: ...LD12 0 1 8W M AGND3 AVDD1 P 3 MA_MP 0 9 P 3 M LD4 0 1 8W AVDDA3 P 3 M D CD45 10uF 16V M RD32 33 1 16W AGND3 AVDD BG P 3 M M BA_MP P 3 AVDDA4 P 3 AGND3 CD73 1000PF 50V CD72 0 1uF 25V Z AVDDA1 CD36 10uF...

Page 41: ...MCLKIN XTLO VSS VSS VSS VSS VSS AVDDA AVDDA AVDDA AVDDA AVDDA AVSSA AVSSA AVSSA AVSSA VDD_ADC VDD VDD VDD VDD VDD VDD VDD VDD VDD VDD AVSSA MD_SP31 SCL2 P 1 2 3 9 16 MD_SP1 RST U67D 74HCT04D 9 8 DPTV...

Page 42: ...CDS53 10uF 16V T CDS 10PF 50V AVDDA1_S P 5 AVDDA5_S P 5 AGND3 LDS7 0 1 8W CDS57 0 1uF 25V Z AVDD BG_S P 5 T CDS37 100PF 50V VCC3_M_S AGND3 AVDDA2_S P 5 T CDS41 100PF 50V LDS6 0 1 8W LDS12 0 1 8W AVDDA...

Page 43: ...VGA_GIN VGA_BIN S2 D1550 1 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 R165 1 2K 1 16W SB5V_V A VGA_GIN VGAVSOUT VGA_ROUT C178 0 1uF 25V Z Q10 2SC2412KBQ YPBPR_VS P 1 RGB_GIN R369 2 20 1 16W SB5V_V F6 RFIL...

Page 44: ...C112 3900PF 50V D U30F 74LVT14 13 12 C118 0 1uF 25V Z C106 0 01uF 50V C137 0 1uF 25V Z R104 75 1 16W FGRIN P 7 D GIVS P 9 R106 10K 1 16W GIHS P 9 V33 C121 0 1uF 25V Z C101 0 1uF 25V Z R111 33 1 16W C1...

Page 45: ...13 P14 P15 P16 P17 VSS SDT SCK P05 P04 P03 P02 P01 P00 INT_DPTV_S 1 2 3 4 D D NEC_LE INT _USB SB5V_CPU A7 D SOGn P 7 C9 10uF 16V L3 0 1 8W A13 AVB_ DETn R33 33 1 16W GIHS SCL0 A6 SD P 16 A15 SB5V_CPU...

Page 46: ...14 6 33 0PF 5 0V J9 D1555 12 4 1 2 3 4 5 6 7 8 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 9 1 1 1 3 1 5 1 0 1 2 1 4 1 6 C1 C5 C5 C2 C3 C4 TMDS D0P TMDSCN TP8 3 C15 10 0 5 0V D12 BAV9 9 1 3 2 TP8 4 D U33 AT24C2 1...

Page 47: ...P0 PID9 PCSI P 16 PID47 PID22 PID 8 15 DVI_CLK C80 0 1uF 25V Z SSO PCSCLK C83 0 1uF 25V Z PIVS P 13 DVI_CLK P 10 PCSI VIP711 MD_ IP14 C76 0 1uF 25V Z PID17 PCn_MPU PID46 C78 0 1uF 25V Z MA_IP5 C81 0 1...

Page 48: ..._IP9 C88 0 1uF 25V Z MD_IP23 VDRAM LDQM MD_IP38 CSn_IP VDRAM CASn_IP MD_IP46 MA_IP2 U26 M12L16161A 2 3 5 6 8 9 11 12 39 40 42 43 45 46 48 49 1 25 7 44 26 50 10 47 4 13 38 41 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ...

Page 49: ...1 DATACK P 8 C50 0 1uF 25V Z FGVS P 7 8 T C52 12PF 50V V33 L13 0 1 8W PLLDATA P 9 U15 74LVC157 2 3 5 6 11 10 14 13 1 15 4 7 9 12 16 8 1A 1B 2A 2B 3A 3B 4A 4B A B G 1Y 2Y 3Y 4Y VCC GND FGVS D RGBn_DVI...

Page 50: ...2 9 7 5 3 20 10 1A1 1A2 1A3 1A4 2A1 2A2 2A3 2A4 1G 2G 1Y1 1Y2 1Y3 1Y4 2Y1 2Y2 2Y3 2Y4 VCC GND GOUT5 BRGOUT6 BRGOUT7 R4 02 0 1 16W ROUT7 BROUT3 BGOUT6 GND RC C3 97 0 1uF 25V Z BOUT6 VCCBF GND ROUT0 GND...

Page 51: ...321 100uF 16V 5VDDD_ C316 0 01uF 50V U52 BA033 1 2 3 VIN GND VOUT C325 0 1uF 25V Z C323 100uF 16V C326 0 01uF 50V LD22 0 1 8W D CD89 22uF 16V CD82 22uF 16V LD26 0 1 8W 5VDDM_ D 5VDDM1_ AGND3 V33TMP C3...

Page 52: ...1uF 25V Z Y2 P 1 GND_TUNER D D J25 CP0053 JJST 1 2 3 C344 0 1uF 25V Z C413 0 1uF 25V Z F23 120 SB P 9 C239 47uF 16V C423 0 1uF 25V Z PB2_CB2 P 1 A5V D L25 10uH V C419 0 1uF 25V Z D 9V C337 220uF 16V T...

Page 53: ...14 10 11 21 22 23 24 25 26 27 28 29 30 AIN BBE1A T ONEHA BBE2A BBEOUT A TONEINA GND CT H CTL AUX 0 AUX 1 VCC TONELA OUT A AGC1 CVA SDA SCL AGC2 CVB VREF PS OUT B TONELB T ONEHB TONEINB BBEOUT B BBE2B...

Page 54: ...uF 16V Lch SMD 5V MUTE_1 12V_0 RS7 10K 1 16W Rch Rch GND RS3 47K 1 16W 12V_0 RS6 10K 1 16W ICS1 NJM4558M 1 2 3 4 5 6 7 8 GND Lch MUTE_1 RS1 22K 1 16W 5V 1 2VCC 1 2VCC RS2 22K 1 16W All manuals and use...

Page 55: ...2 FE3 0 1 8W FE20 0 1 8W L O P RE8 47K 1 16W S1A P1177 1 4 2 5 1 3 6 R O P FE14 0 1 8W FE10 0 1 8W CE2 1000PF 50V ZDA3 UDZ5 1B 1 2 ZDA8 UDZ6 8B 1 2 J12A P1159 1 4 C 1 2 J17C P1159 1 4 C 4 5 YUV1_L J1...

Page 56: ...2 3 4 5 6 1 7 RF AGC O P Audio O P B AFC O P Video O P IF I P SIF O P R213 39K 1 16W TU201 TELH9 819A 1 2 3 4 5 6 7 8 9 10 11 12 AGC NC AS SCL SDA MB N C PB NC TU2 NC IF O P ANT IN SCL2 R214 100 1 16...

Page 57: ...3 2 C237 100uF 10V M SB_LED R178 4 7 1 16W R169 7 5K 1 16W F U39 93M2AKF 1 2 3 GND JA3 CP0316 EJST 1 2 3 4 5 6 R175 470 1 16W 5VSB_FP S3 SW A1214 C236 470PF 50V SW_OUT FRONT PANE C235 1000PF 50V RC_O...

Page 58: ...EXPLODED VIEW All manuals and user guides at all guides com...

Page 59: ...PACKING OF THE LIST 10 1 All manuals and user guides at all guides com...

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