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Panasonic LCD TV TH-L32U20 service manaual schematics

guruji 30 Lip 2013 20:26 9309 7
  • #1 30 Lip 2013 20:26
    guruji
    Poziom 10  

    Hello.
    Can someone pls upload panasonic schematics for lcd tv TH-L32U20 my set blink 10 times error code.
    Thanks.

    1 7
  • #3 30 Lip 2013 22:35
    lisek
    Spec od monitorów

    It"s old_new chassis KM09

    Cytat:
    Panasonic TX-LR32U20 :
    - TNP4G469 psu_inverter : SSC9512, A6059H
    - TNP4G468 SSB with T-con
    * flash E1432AGBG-8E-F,
    * Flash H27U1G8F2BTR, EEPROM 24С32 ,audio LV4921, tuner ENG37F03KF,
    * other IC: BD8365KV, BU8364KV, D2817R, R2A11014AFT, AN34042A, TPS53125, TPC8116, 24С16.
    - matrix AX080F0726


    Panasonic TX-LR42U20 with matrix LC420WUN it"s chassi KM09
    Look at Link_chassis KM09

    Cytat:
    Blinking times Contents BOARD
    1 Inverter_SOS P BOARD
    2 FAN_SOS A BOARD
    3 SOS A BOARD
    4 DTV_9V P/A BOARD
    5 MAIN_9V A BOARD
    6 SUB_5V A BOARD
    7 SUB_3.3V A BOARD
    8 MAIN_3.3V A BOARD
    9 SOUND_SOS A BOARD
    10 HQ1L_SOS / ZWEI_SOS A BOARD
    13 EMERGENCY SOS A BOARD
    14 Audio PWM SOS A BOARD

    and extra_abnormalities
    12 Blinks SOS: Back_End LD4 SOS.
    Any abnormalities at T-Con DCDC circuit, T-Con DAC or Charge Pump circuit.
    SOS_SENSE (IC5000 pin 18) becomes low and trigger SOS signal through TV_SOS
    (IC5000 pin 17) to IC8000. TV set will shutdown and 12 times blinking start...

    1
  • #4 01 Sie 2013 20:27
    guruji
    Poziom 10  

    Hello,
    Thanks for the quick reply i downloaded the 2files schematics but they dont match i want schematics for board A tnp4g467 th-l32u20d
    Thanks
    Mani

    1
  • #6 04 Sie 2013 13:20
    guruji
    Poziom 10  

    I check i feel the problem with p board as i do not get +12v dtv and 17v supply.only stdby 5v and 3.3v available. But hear the relays click momentarily and see primary dc hot there to the main transformer but secondry voltages absent. I noticed that ssc9512 has vcc but reg pin 9 absent.so gate voltage absent to main dc-dc transformer.anyone know about this thanks for the help

    0
  • #7 04 Sie 2013 16:57
    lisek
    Spec od monitorów

    Cytat:
    that ssc9512 has vcc but reg pin 9 absent.so gate voltage absent to main dc-dc transformer


    Read Link_SSC9512=SSC9502_datasheet from Sanken

    Below I attach a diagram of the power supply from ? Panasonic LED_backlight wer.40 "(New Zeland ver.) On IC150: SSC9512.
    A little reconfigured than in the org. PSU from link to ch.KM07, where IC is showing on the p.69 as IC7301.

    Panasonic LCD TV TH-L32U20 service manaual schematics

    Panasonic LCD TV TH-L32U20 service manaual schematics

    0
  • #8 05 Sie 2013 21:05
    guruji
    Poziom 10  

    Hello all
    Thankyou for the help i had the set repaired today there was no main supply to the A board the problem was with the P board r7305 1megohm which go to ssc9512 there are 3resistor in series Going to pin 1.(ac in detect)
    Thanks again

    0