2-99
MAIN SET TROUBLESHOOTING
No 36 VA / 26 VA
Is the Q901 normal?
Replace Q901(same fuse).
YES
YES
NO
Is D928 normal?
Is IC902 normal?
Is the Vcc
(11 V ~ 25 V) supplied to IC902
pin7?
Replace D928.
Replace IC902.
Is Q910 normal?
Check or replace Q910.
YES
YES
YES
YES
NO
NO
NO
Power line of MAIN or AMP board is short.
Содержание LHB976
Страница 15: ...1 14 MEMO ...
Страница 127: ...2 112 X101 20 MHz 3 X200 24 57 MHz 4 X500 27 MHz 1 X802 28 63 MHz 2 WAVEFORMS 1 SYSTEM PART 1 X TAL 1 2 4 3 IC500 IC101 ...
Страница 128: ...2 113 2 SYSTEM PART 2 DDR3 MEMORY DDR3_BA0 5 DDR3_nWE 6 DDR3_nCAS 7 DDR3_CLK01_P 8 IC500 5 6 7 8 ...
Страница 129: ...2 114 3 VIDEO PART 100 FULL COLOR BAR COMPOSITE 9 COMP_Y 10 COMP_Pb 11 COMP_Pr 12 11 12 10 9 ...
Страница 130: ...2 115 HPD_TX 13 DDC_SDA 14 DDC_SCL 15 TXC 16 15 14 16 13 4 HDMI PART ...
Страница 131: ...2 116 5 MICOM AND MPEG I F PART BCM_nRESET 17 18 19 17 MICOM_UART_RX2 18 MICOM_UART_TX2 19 ...
Страница 161: ...2 176 2 175 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN SET P C BOARD 1 1 MAIN P C BOARD TOP VIEW ...
Страница 162: ...2 178 2 177 MAIN SET P C BOARD MAIN P C BOARD BOTTOM VIEW ...
Страница 164: ...2 182 2 181 MAIN SET P C BOARD 1 3 AMP P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 166: ...2 186 2 185 PRINTED CIRCUIT BOARD DIAGRAMS 2 WIRELESS RECEIVER P C BOARD 2 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 169: ...3 2 MEMO ...
Страница 172: ...3 7 A700 2 SPEAKER SECTION 2 1 CENTER SPEAKER EXPLODED VIEW ...
Страница 173: ...3 8 852 851 851 851 Screw 8ea A800B A800 A800F 852 Screw 2ea 850 2 2 FRONT SPEAKER EXPLODED VIEW ...
Страница 174: ...3 9 A600 2 3 REAR SPEAKER EXPLODED VIEW ...
Страница 175: ...3 10 A900 2 4 PASSIVE SUBWOOFER EXPLODED VIEW ...
Страница 189: ...4 12 2 DRIVE IC R2A30209SP SPINDLE MOTOR AND 6CH ACTUATOR DRIVER 2 1 Block Diagram ...
Страница 193: ...4 16 MEMO ...