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akira PLT-42TT Service Manual

Plasma tv plt-42tt
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Summary of Contents for akira PLT-42TT

  • Page 2 MODEL: PLT-42TT...

  • Page 3: Table Of Contents

    CONTENTS 1. IMPORTANT SAFETY PRECAUTIONS….……1-2 2. SPECIFICATION………........2-9 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 OF THE LIST….…………………10-1...

  • Page 4: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS VER1.0 1. Before returning an instrument to the customer, always make a safety check of the entire instrument, including, but not limited to, the following items. a. Be sure that no built-in protective devices are defective and/or have been defeated during servicing. (1) Protective shields are provided on this chassis to protect both the technician and the customer.
  • Page 5 IMPORTANT SAFETY PRECAUTIONS VER1.0 4. Hot Chassis Warning— — — — a. Some Monitor chassis are electrically connected directly to one conductor of the AC power cord and may be safely serviced without an isolation transformer only if the AC power plug is inserted so that the chassis is connected to the ground side of the AC power source.

  • Page 6: Specification

    SPECIFICATION FOR PLT-42TT PLASMA DISPLAY VER1.0 SCOPE: These specifications describe all the characteristics of the 42 inch color monitor. ELECTRICAL REQUIREMENTS: 2.1. Display panel: Specification a. Screen size Diagonal 42 inch b. Aspect ratio 16:9 wide c. Number of pixels 852(Horizontal, RGB Trio ) X 480(Vertical)pixels d.
  • Page 7 SPECIFICATION FOR PLT-42TT PLASMA DISPLAY VER1.0 2.3.4 RGB Signal: a. Type b. Polarity Positive or Negative c. Amplitude RGB: 0.7Vp-p d. Frequency H: support to 31K~91KHz V: support to 50~85Hz 2.3.5 DVI Signal: a. Type Digital b. Polarity Positive or Negative c.
  • Page 8 SPECIFICATION FOR PLT-42TT PLASMA DISPLAY VER1.0 2.3.9 RGB/DVI For VESA Standard: Vertical Horizontal Refresh Horizontal Vertical Mode No Resolution Sync Sync Dot rate Rate Frequency Frequency Polarity Polarity (Hz) (K Hz) (Hz) (TTL) (TTL) (MHz) 640(VGA)× × × × 480 31.5...

  • Page 9: Specification

    SPECIFICATION FOR PLT-42TT PLASMA DISPLAY VER1.0 2.4. Display Performance Requirements: The data of display performance are measured based on the following. Conditions unless otherwise specified. 25± ± ± ± 5 ℃ ℃ ℃ ℃ a. Ambient temperature b. Warm up period 30 minutes Min.
  • Page 10 SPECIFICATION FOR PLT-42TT PLASMA DISPLAY VER1.0 Width 1040mm 1040mm Height 648 mm 690mm Depth 95mm 375 mm 3.1. Package Dimensions: Width 1230 mm Height 960 mm Depth 470 mm 3.2. Weight: Net weight 79.4lbs/36 Kgs (w/o stand) 83.8lbs/ 38Kgs (w/ stand)
  • Page 11 SPECIFICATION FOR PLT-42TT PLASMA DISPLAY VER1.0 RF Sensitivity (Peak) CH 2 ~ CH 13 30dB Max. CH 14 ~ CH 69 30dB Max. CATV CH A-5 ~ CH W+29 30dB Max. AFT Pull-In Range ± ± ± ± 0.6MHz Min.
  • Page 12 SPECIFICATION FOR PLT-42TT PLASMA DISPLAY VER1.0 Drop Test 200mm max. Vibration Test Forward and backward 30 minutes 1000 c.p.m Right and left 30 minutes 1000 c.p.m Up and down 30 minutes 1000 c.p.m Power Management: Mode H-sync V-sync Video Power dissipation...
  • Page 13 SPECIFICATION FOR PLT-42TT PLASMA DISPLAY VER1.0 APPENDIX A : Preset Timing Chart (Video) (Sync) Item Description: Total time Active display area including borders Active display area excluding borders Left/Top border Right/bottom border Blanking time Front porch Sync-width Back porch Mode No Resolution &...
  • Page 14 SPECIFICATION FOR PLT-42TT PLASMA DISPLAY VER1.0 Mode No Resolution 1024 1024 1024 1024 1280 1280 1280 & 1024 1024 1024 Refresh Rate Pixel 78.75 94.5 157.5 25.175 25.175 Horizontal visible 1024 1024 1024 1024 1280 1280 1280 Dots Horizontal total...
  • Page 15 FACTORY & ELECTRONIC ADJUSTED VER1.0 1. PANEAL voltage adjustment The power voltage should be adjusted and checked when changing the panel or power board. POWER VOLTAGE ADJUST FOR SAMSUNG TTL PANEL VA VSC VS VR VSET POWER BOARD DIGITAL BOARD EXT INT CN01 VOLTAGE CHECK POINT...
  • Page 16 FACTORY & ELECTRONIC ADJUSTED VER1.0 2. Color temperature adjustment Push the factory service key to into the adjustment mode. The picture will appear as follow 5400ºk X=335 Y=343 GAIN Bias Use the AV key to select the color to adjust and or key to adjust the level. The required equipments are CA-100,Vp300.

  • Page 17: Block Diagram

    BLOCK DIAGRAM VER1.0 JA2_1 PDP Socket Diagram Audio Amplifier JP1_1 AV Module Pin[1:10] Board Ass'y Pin[1:32] Board(with JA1_1 Tuner) JP2_1 Pin[1:12] Assy Pin[1:32] LA03_1 Logic Board Ass'y Pin[1:31] Image Board Ass'y J1_1 PANEL Power Pin[1:31] Supply Ass'y (L VDS ) J14_1 Pin[1:6] Interface Board- Y Ass'y...
  • Page 18 BLOCK DIAGRAM VER1.0 Image Board Socket Data Im age Board ←→ Panel Im age Board ←→ AV Module Board Im age Board ←→ AV Module Board Im age Board As s 'y Im age Board AV Module Board Content Im age Board AV Module Board Content J1 (4 0 P i n )

  • Page 19: Block Diagram

    BLOCK DIAGRAM VER1.0 Image Board Signal Block Diagram SDRAM (PAGE4) 6630/6730 VIDEO MAIN Video RGB IN RGB OUT Processor S-VIDEO TA8551CH (PAGE3) SWITCH SDRAM (PAGE12) VIDEO 6630/6730 (PAGE2) SUB Video Porcessor SCALE IC (PAGE5) LVDS YCBCR MULTIPLEX Converter C711/C713 TRANSMITTER SWITCH (PAGE14) SDRAM...

  • Page 20: Block Diagram

    BLOCK DIAGRAM VER1.0 Image board Power Block Diagram SB5V (USB5V, SB5V_M , SB5V_IO, SB5 V_CPU) +9VT (+9 V) +5VSB SB5V_V SB5V_VO R376 P5V_COLOR +24V P24V +5V1 V33SB USB3V VCCPLL (5V_ OSD) (VDD33 ) CON8009 VCCBF +5VA V33P VIP711 V33TMP (VDRAM ) CON8011 VDDM (VCC3_ M )
  • Page 21 BLOCK DIAGRAM VER1.0 PDP Sound Block Diagram ICS 1 ICS 2 S UB _ WOO FE R L PF M UT E O UT P UT P AG E 2 FRO M A V S EL E CT O R Q 1/Q 2 ICA 1/ICA2 A V_ O UT PUT...

  • Page 22: Trouble Shooting Guides

    TROUBLE SHOOTING GUIDES VER1.0 No Power SET POWER ON AC Master Power Switch Board (DPWB11398-1G---) Check Power Input Module (LJ92-00579A) Check Replace Power Input Module (LJ92-00579A) Check Panel Power Supply (LJ44-00025A) Check Replace Panel Power Supply (LJ44-00025A) Check...
  • Page 23 TROUBLE SHOOTING GUIDES VER1.0 No Picture No picture AV Module Board (DPWB11372-1G-TS) Check Replace AV Module Board (DPWB11372-1G-TS) Check Image Board (DPWB11393-1G--S) Check Replace Image Board (DPWB11393-1G--S) Check PDP Panel Module (VVEPP42SD001F--) Check Replace PDP Panel Module (VVEPP42SD001F--) Check...
  • Page 24 TROUBLE SHOOTING GUIDES VER1.0 Vertical Line Fail Vertical Line Fail Interface Board-X (LJ92-00568B) Check Replace Interface Board-X (LJ92-00568B) Check PDP Panel Module Assembly (VVEPP42SD001F--) Check Replace PDP Panel Module Assembly (VVEPP42SD001F--) Check...
  • Page 25 TROUBLE SHOOTING GUIDES VER1.0 Horizontal Line Fail Horizontal Line Fail Interface Board-Y (LJ92-00569B) Check Replace Interface Board-Y (LJ92-00569B) Check Y Amp Board-Upper (LJ92-00570A) Check Y Amp Board-Lower (LJ92-00571A) Replace Check Y Amp Board- Upper (LJ92-00570A) Check Y Amp Board- Lower (LJ92-00571A) Check PDP Panel Module...
  • Page 26 TROUBLE SHOOTING GUIDES VER1.0 No Remote Control SET POWER ON Remote Control Check Replace Replace Battery (BRC-241) Check Front Button Control Board (DPWB11372-1G-KS) Check Replace Front Button Control Board (DPWB11372-1G-KS) Check Image Board (DPWB11393-1G--S) Check Replace Image Board (DPWB11393-1G--S) Check...
  • Page 27 TROUBLE SHOOTING GUIDES VER1.0 Front Button Fail SET POWER ON Front Button Control Board (DPWB11372-1G-KS) Check Replace Front Button Control Board (DPWB11372-1G-KS) Check Image Board (DPWB11393-1G--S) Check Replace Image Board (DPWB11393-1G--S) Check...

  • Page 28: P.c.board Top View

    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---...
  • Page 29 P.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...
  • 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...
  • Page 31 P.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...
  • 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...
  • 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...
  • 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...
  • Page 35 P.C. BOARD TOP VIEW MODULE NAME PART NO. PDP PANEL MODULE ASS'Y VVEPP42SD001F--...

  • Page 36: Electronic Modules List

    ELECTRONIC MODULES LIST VER1.0 Model Name: PLT-42TT Quantity Per Final Module Supplier Supplier's Part Number Assembly 1 Image Board Sampo DPWB11393-1G--S 2 AC Master Power Switch Board Sampo DPWB11398-1G--- 3 Audio Amplifier Board Sampo DPWB11372-1G-SS 4 Front Button Control Board...

  • Page 37: Schematic Diagram

    SCHEMATIC DIAGRAM VER1.0 R257 1/ 1 6W C266 C268 R258 R260 R261 100uF C267 22uF 0.1uF 1/ 1 6W 1/ 1 6W 1/ 1 6W R259 R381 R380 T1285-BJST T1285-BJST 1/ 1 6W 2SC2412KBQ 1/ 1 6W 1/ 1 6W C272 C271 R262...
  • Page 38 SCHEMATIC DIAGRAM VER1.0 S3_R S3_R RGB_R RGB_R P[16] R171 R172 C183 C213 DVI_R DVI_R P[16] 3 .3K 2.2uF 0.1uF RGB_L RGB_L P[16] 1/16W 1/16W DVI_L DVI_L P[16] S3_L S3_L R173 R174 C184 3 .3K 2.2uF 1/16W 1/16W HEF4053 BT R175 C185 10uF 1/16W...
  • Page 39 SCHEMATIC DIAGRAM VER1.0 BA_MP BA_MP P[4] RASn_MP RASn_MP P[4] P[4] DQM_MP[0..7] CASn_MP P[4] MA_MP[0..9] CASn_MP P[4] V25_MP WEn_MP P[4] MD_MP[0..63] WEn_MP P[4] CS0n_MP CS0n_MP P[4] MCLK_MP MCLK_MP P[4] 1/16W 1/16W 1/16W AVDD1 P[4] AVDD1 1/16W P[4] AVDD2 2200PF AGND4 AVDD1 HSY NC DPTV_HS P[1] 1/16W...
  • Page 40 SCHEMATIC DIAGRAM VER1.0 Place these resistors close to DPTV RD29 1/16W BAMP P[3] BA_MP VADC3 RD30 1/16W WEnMP P[3] WEn_MP RD31 1/16W CASnMP P[3] CASn_MP RD32 1/16W RASnMP P[3] RASn_MP AVDDA1 AVDDA1 P[3] CD36 CD37 RD33 1/16W MCLKMP P[3] MCLK_MP 10uF 100PF CD38...
  • Page 41 SCHEMATIC DIAGRAM VER1.0 P[6] DQM_SP[0..7] BA_SP BA_SP P[6] P[6] MA_SP[0..9] V25_SP RASn_SP RASn_SP P[6] P[6] MD_SP[0..63] CASn_SP CASn_SP P[6] WEn_SP WEn_SP P[6] CS0n_SP CS0n_SP P[6] RDS1 RDS2 MCLK_SP MCLK_SP P[6] 1/16W 1/16W RDS3 22 1/16W AVDD1_S HSPIP P[3] P[6] AVDD1_S MLF_S RDS4 22 1/16W...
  • Page 42 SCHEMATIC DIAGRAM VER1.0 Place these resistors close to DPTV VADC3_S RDS29 1/16W BASP P[5] BA_SP RDS30 1/16W WEnPS P[5] WEn_SP RDS31 1/16W CASnSP P[5] CASn_SP RDS32 1/16W RASnSP AVDDA1_S P[5] P[5] RASn_SP CDS36 CDS37 LDS3 10uF 100PF RDS33 1/16W MCLKSP P[5] MCLK_SP 1/8W...
  • Page 43 SCHEMATIC DIAGRAM VER1.0 C159 SB5V_V R377 0.0 1uF C163 0.0 1uF 1/16W RFILN1020-1---A C164 C160 C161 R383 RFILN1020-1---A RFILN1020-1---A 0.0 1uF 2 2uF 0.1uF C172 1/16W 4 7uF VGA_GIN VGA_BIN 2SC2412KBQ C176 C162 R149 100PF 4 7uF C169 C165 R146 C166 R145 R147...
  • Page 44 SCHEMATIC DIAGRAM VER1.0 V33PLL VDD33 V33PLL 1/8W V33PLL BA033LBSG AD9884AKS C100 C101 C102 C103 C104 C105 C106 C107 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF GARED[0..7] PID[0..7] P[10,11] 0.1uF 0.01uF 0.1uF 10uF DRA0 RP10 GARED0 DRA0 V33ADC DRA1 33 ohm GARED1 DRA1 DRA2 GARED2 DRA2...
  • Page 45 SCHEMATIC DIAGRAM VER1.0 SB5V SB5V P[0 ..7 ] RFILN1020-1---A P[0 ..7 ] P[3 ] 1/16W A[0..19 ] POW ER_ ON 10uF SB5V_CPU 1/16W 1/16W SB5V RFILN1020-1---A 1/16W 2 SC241 2KBQ 2 SC241 2KBQ SB_LED 1/16W STANDBY ON_LED SW _IN SB5V 74LVT04 74LVT04 RC_IN...
  • Page 46 SCHEMATIC DIAGRAM VER1.0 L2 0 N/3.9 V33SB 1/8W 1/6W SII161C T 1 0 L2 1 QO[0..7] PID[40 ..47] P[8,11] 1/8W VDVIA VDVID RP2 3 OVCC 33 ohm OVCC C14 2 C14 3 C14 4 C14 5 C14 6 C14 7 C14 8 C14 9 C15 0...
  • Page 47 SCHEMATIC DIAGRAM VER1.0 74LVC157 PCSI P[9 ] PCSCS SSCS P[9 ] P[9 ] PCSCLK SSCLK SCLK P[9 ] SCLK PCn_MPU 0 .1uF MA_ IP11 TP43 MD_IP[0 ..47 ] P[12 ] MA_ IP13 TP44 CSn_IP P[12 ] RASn_IP P[12 ] 1/16W CASn_IP P[12 ] W Rn_IP...
  • Page 48 SCHEMATIC DIAGRAM VER1.0 P[11] MA_IP[0..13] P[11] MD_IP[0..47] M12L16161A M12L16161A M12L16161A MD_IP32 MA_IP0 MD_IP33 MA_IP1 MD_IP16 MA_IP0 MD_IP34 MA_IP2 MD_IP17 MA_IP1 MD_IP0 MA_IP0 MD_IP35 MA_IP3 MD_IP18 MA_IP2 MD_IP1 MA_IP1 MD_IP36 MA_IP4 MD_IP19 MA_IP3 MD_IP2 MA_IP2 MD_IP37 MA_IP5 MD_IP20 MA_IP4 MD_IP3 MA_IP3 MD_IP38 MA_IP6 MD_IP21...
  • Page 49 SCHEMATIC DIAGRAM VER1.0 74LVC157 P[10] DVI_HS PIHS P[11] P[8] PLLHSO DDCVSYNC P[8] 1/16W P[10] DVI_VS PIVS P[11] FGVS P[7,8] FGVS 1/16W P[11] DVI_PICK PICLK P[11] R386 P[8] DATACK 1/16W 1/16W PIHSS P[8] FGHS V33SB P[7,8] FGHS P[2,9] RGBn_DVI C404 0.1uF DVI-H,V,CLK 22PF RGB-H,V,CLK...
  • Page 50 SCHEMATIC DIAGRAM VER1.0 74LVC244ADB 1 /16W RP35 POCLK BPCLKO 2 2 ohm P[11,13 ] POCLK BBLANKn DSBLKH FH12-40S VSYNCO BVSYNCO BVSYNCO DSVSYNC0 P[9,11 ] VSYNCO BHSYNCO DSHSYNC0 HSYNCO BHSYNCO RP36 BPCLKO DSCLKIN P[9,11 ] HSYNCO 2 2 ohm BLANKn BBLANKN BROUT0 BRROUT0 P[11 ]...
  • Page 51 SCHEMATIC DIAGRAM VER1.0 REG_5V REG_5V_S 5VDDA VCCA3 BA033 5VDDA_S VCCA3_S 5VDDA_ VCCA3 BA033 VOUT 5VDDA_S_ VCCA3_S VOUT LD14 CD85 CD82 CD84 CD86 0.1uF 22uF 22uF 0.1uF LDS13 CDS85 CDS82 CDS84 CDS86 1/8W 0.1uF 22uF 22uF 0.1uF 1/8W AGND6,7 AGND6,7 5VDDD VADC3 BA033 5VDDD_S...
  • Page 52 SCHEMATIC DIAGRAM VER1.0 +24V 330uH P24V TO AUDIO PWB CP031C-EJST- C333 SB5V 220uF C380 C334 0.22uF 0.22uF CP031A-EJST- P[2] L_IN P[2] R_IN AO_SEL P[9] L_OUT SDA2 SDA2 P[1,2,3,5,9] 10uH RFILN1020-1---A R_OUT SCL2 SCL2 P[1,2,3,5,9] A_MUTEn P[9] SUB_WFR SURR1 P[9] SPK_CTL C335 SURR2 P[9]...
  • Page 53 SCHEMATIC DIAGRAM VER1.0 L_IN 12V_0 FROM AV SEL ECTOR R_IN 120K 22uF 2.2uF 1/16W 1/16W 2SC2412KBQ SURR1 SURR1 MUTE_1 MUTE_1 SURR2 SURR2 2.2uF 220K 1/2VCC 1/2VCC 3.9K 1/16W 1/16W 120K 1.5K 10uF ICA1 1/16W 1/16W 1/16W 10uF TC4W53FU 2.2uF DT C144EKA 1/2W ICA3 1/16W...

  • Page 54: Schematic Diagram

    SCHEMATIC DIAGRAM VER1.0 12V_0 12V_0 47uF ICS1 NJM4558M MUTE_1 MUTE_1 ICS2 1/2VCC TC4W53FU 1/2VCC 1/16W 1/16W 10uF SUB_WOOFER OUT SUB_WFR SUB_WFR 0.1uF 1/16W 1/16W 10uF 1/16W 1/16W 1/16W 0.047uF Title SUB_WOOFER Size Document Number DPWB11372-1G-SS Date: Monday , September 30, 2002 Sheet 8-18...
  • Page 55 SCHEMATIC DIAGRAM VER1.0 M1076-1---- L O/P J24A L_OUT P 1159-1-4-C DVI L S2_C DVI_L 1000PF 1/8W FE3 0 CE2 5 RE2 5 CE3 1 ZDA1 1000PF 2.2uF 1/8W UDZ5.1B 1/8W 1/16W M1076-1---- R O/P P1177-1---- R_OUT J24C P 1159-1-4-C 1000PF DVI R DVI_R 1/8W...
  • Page 56 SCHEMATIC DIAGRAM VER1.0 R203 R204 R206 C202 TP201 1.2K 3.9K 10uF R207 1/16W 1/16W 1/16W 3.6K 1/6W TV_L R211 R208 R209 TV_R 1.5K 1.5K R212 R213 R210 C203 1/6W 1/16W 1/16W 10uF C208 1/16W 1/16W 1/16W C206 3.3uF C205 R202 C207 C204 C209...
  • Page 57 SCHEMATIC DIAGRAM VER1.0 FRONT PANEL BOARD R167 R168 1.5K 3.3K R169 1/16W 1/16W 5VSB_FP 7.5K 1/16W CP0316-EJST- 5VSB_FP R170 R171 R172 R173 R174 1.5K 3.3K SB_LED 1/16W 1/16W 1/16W 1/16W 1/16W ON_LED SW_OUT RC_OUT C235 1000PF R176 TO Digital Board R178 8.2K SW-A1214...

  • Page 58: Exploded View

    EXPLODED VIEW VER1.0...
  • Page 59 PACKING OF THE LIST VER1.0 10-1...

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