TV Model: 32PFL3605/12 chassis TPM4.1E LA Assembled in Poland Motherboard: 715G3786-M1A-000-004X (WK:952) Power supply and inverter: 715G3816-P01-H20-002U CPU U4201 MT8228TMMU Firmware flash: U4104 SPI BUS Winbond 25Q32BV SOP8 in file Config EEPROM: U4103 I2C BUS ST M24C32WP SO8 in file TCON EEPROM: U7202 I2C BUS ST M24C32WP SO8 in file Repair descriprion: BAD IC901 TNY277 in power supply, so 5V STBY power supply have maximum current 300mA (internal resistor in IC from source of mosfet to (-) 380VDC) I use slighty veaker type TNY276 and use bigger capacity of C912 100uF/50V 8x11 (original 47uF/50V Capxon GF), replace C933 1200uF/10V 10x12.5 polymer X-CON ULR with max. ripple current 6000mA at 100kHz (original 2200uF/16V Capxon GF 12.5x20) and replace C934 470uF/16V 10x12.5 Nichicon PW (original 47uF/50V Capxon GF). All this modification for better stability of 5V STBY power supply.
Не исправность не стартовал только дежурка,на пульт и на клаву не реагировал. U6 выход 0.4 вольта должно 1.8 вольта. Заменил и все заработало выход 1.8 вольта.
TV LG 47LK950 main ebr74015322 шасси L*01U (это на гетинаксе) точной наклейки нет проц LGE107DC-rp-t8, submicom UPD78F0514A nand H27U1G8E (наклейка ic102-ver 4.60.32 ic-1401-ver3.02.02) EEPROM 24C16 SPI 25Q80, 25X20 озу T5HQ16630 (3шт) матрас LC470WUF PSU+Inverter EAX61289601
Motherboard: - BN41-01331B BN94-03391K - Tuner BN40-00173A - IC402 basic firmware flashROM MX25L4005AM2 SOP8 - contens suitable from LE40C530 see link: http://remont-aud.net/dump/lcd_pdp_tv/samsung/le40c530f1w_bn_41_01331b_25l4005/241-1-0-4436 Thank you Eрлан !!! - IC501 AT24C256B 2EB 1 SO8 in this file - IC502 AT24C02B 02B 1 SO8 in this file
CPU IC1102 SETD-10
Repair description: BAD IC204 (AOZXXXX) DC-DC from 5V STBY (A5V) to 1.1V STBY (SB1.1V - VCORE for IC1102) I use external DC-DC adjustable converter - see picture and instead trimer i use parallel resistors connection 3k3,100k,100k (3.1kOhm)
Bad firmware in IC402 I reflash via firmware from Ерлан.
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