4-2
ELECTRICAL TROUBLESHOOTING GUIDE
Reset or power check.
OK
Check the power (5V/12V) short.
Repair the SMPS Block
YES
NO
Are the pin1 of
5V, pin4 of 12V
respectively after the power cable
connecting?
Check the LIC101.
NO
<Reference>
1. 65V (VHALF) :
Check pin116 of LIC101
2. 2V (HDVREF) :
Check pin80 of
LIC101
Check the LIC401.
YES
NO
Does the pin1
(Reset) of LIC401 change 0V to 3.3V
at the power supply initial input
mode?
Check the LX201 (16.9MHz).
Check the LIC201.
YES
NO
Are the LX201
oscillating?
Check the LIC701.
YES
YES
NO
<Power>
Is the pin2 of LIC701
3.3V?
Check it after connecting the power cable
only on interface cable for
NO Reset or
Power ON.
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 ...