![LG RHT497H Скачать руководство пользователя страница 19](http://html.mh-extra.com/html/lg/rht497h/rht497h_service-manual_211693019.webp)
3-4
no Sw_12vG
2. POWER SUPPLY ON I/O BOARD
check d124 on SMPS
board and replace
yeS
yeS
no
is the
vcc (14v) supplied to
q164 collector?
check q164 and replace
yeS
no
is there
about 12.5v at
Zd151 & q164
base?
check d126 on SMPS
board and replace
yeS
no
is the
vcc (33v) supplied
to q162 emiter?
check q162 and replace
yeS
no
is there
about 0v at
q162 base?
check power supply
Sw_5.3va on i/o board
yeS
no
is there
about 5.3v at r170
and 0.7v at q165
base?
check q165 and replace
Содержание RHT497H
Страница 11: ...1 10 MEMO ...
Страница 33: ...3 18 WAVEFORMS 1 System BLOCK Main Clock 1 Frequency 13 5MHz IC1101 DDR Ram Clock 2 2 Frequency 198MHz 1 ...
Страница 34: ...3 19 DDR Bank Address 3 4 6 5 DDR RAS CAS 4 5 DDR Write Enable 6 3 ...
Страница 35: ...3 20 12C_SDA 7 12C_SCL 8 IC1101 7 8 ...
Страница 37: ...3 22 3 AUDIO BLOCK 1kHz SINEWAVE INPUT AOUT_D0 3 AOUT_MCLK 4 AOUT_FSYNC 1 AOUT_SCLK 2 1 2 3 4 ...
Страница 38: ...3 23 SPDIF_OUT 5 5 IC1101 A OUT_l A OUT_R 6 7 7 6 ...
Страница 39: ...3 24 4 SERIAL INTERFACE BLOCK Between MAIN I O E5_SPI_MISO 3 E5_SPI_CLK 1 E5_SPI_MOSI 2 1 2 3 ...
Страница 40: ...3 25 5 TUNER BLOCK 1 SIF IC901 1 ...
Страница 43: ...3 28 2 WIRING DIAGRAM 2 1 2 3 4 5 6 7 8 ...
Страница 44: ...3 29 1 2 3 4 5 6 7 8 Option ...
Страница 57: ...3 42 MEMO ...
Страница 59: ...3 45 3 46 2 MPEG CIRCUIT DIAGRAM ...
Страница 60: ...3 47 3 48 3 FLASH DDR CIRCUIT DIAGRAM ...
Страница 61: ...3 49 3 50 4 IEEE1394 CIRCUIT DIAGRAM ...
Страница 62: ...3 51 3 52 5 ATAPI HDMI USB CIRCUIT DIAGRAM ...
Страница 63: ...3 53 3 54 6 I O µ COM CIRCUIT DIAGRAM ...
Страница 64: ...3 55 3 56 7 SCART RCA CIRCUIT DIAGRAM ...
Страница 65: ...3 57 3 58 8 TUNER DECODER CIRCUIT DIAGRAM ...
Страница 66: ...3 59 3 60 9 LDO CIRCUIT DIAGRAM ...
Страница 67: ...3 61 3 62 10 COMMON INTERFACE BOARD CIRCUIT DIAGRAM OPTIONAL ...
Страница 68: ...3 63 3 64 11 HDMI DAUGHTER BOARD CIRCUIT DIAGRAM ...
Страница 69: ...3 65 3 66 12 TIMER CIRCUIT DIAGRAM ...
Страница 70: ...3 67 3 68 13 KEY CIRCUIT DIAGRAM ...
Страница 75: ...3 77 3 78 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 76: ...3 79 3 80 2 I O P C BOARD TOP VIEW ...
Страница 77: ...3 81 3 82 I O P C BOARD BOTTOM VIEW ...
Страница 78: ...3 83 3 84 3 SMPS P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 79: ...3 85 3 86 4 TIMER KEY P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 80: ...3 87 3 88 5 COMMON INTERFACE P C BOARD OPTIONAL TOP VIEW 6 HDMI P C BOARD TOP VIEW BOTTOM VIEW BOTTOM VIEW ...
Страница 81: ...3 89 3 90 MEMO MEMO ...
Страница 98: ...4 17 2 DISC SPECIFICATION 3 DISC MATERIALS 1 DVD ROM ...
Страница 103: ...4 22 3 Layout of DVD RW disc ...
Страница 104: ...4 23 4 Layout of DVD R RW disc ...
Страница 107: ...4 26 4 If the target device setting is completed execute the Setup Laser Power Manual in the Alpc Opc menu ...
Страница 133: ...4 52 MEMO ...
Страница 134: ...4 53 4 54 CIRCUIT DIAGRAM ...
Страница 136: ...4 57 4 58 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW ...
Страница 137: ...4 59 4 60 2 MAIN P C BOARD BOTTOM VIEW ...