
28
3-2-1.H-board troubleshooting flow (for QW, QWL)
TV cannot be controlled
by remote commander
No
Yes
Check Green LED
at Power LED indicator.
Is it lighted up?
Check voltage at
Pin1 of H board connector
(refer next page)
Is it 5V?
No
Place remote commander (RC)
near to window and press RC key.
Is the LED blinking?
Yes
No
Main IC SIRCS line broken.
Change B-board
Check SIRCS voltage
using multimeter
at R5038 on B board.
Then press and hold RC key and
observe voltage drop.
Does it drop
from 3.9V to (<2.9V)?
Change Mechanical part
(ex. Ornamental panel,
or guide light)
Yes
Yes
Condition: TV is plugged to AC power supply,
and AC power supply is turned ON.
Check voltage at resistor of
5V source of B board.
Is it 5V?
Yes
No
STBY5V NG. Refer toIC6014
troubleshooting section
No
IR sensor broken.
Change H board.
Check H board to B board
harness condition.
Is it connected properly?
Yes
No
Connect harness properly
3-2. NO POWER
Содержание KDL-48W6*D
Страница 2: ...LCD TV SERVICE MANUAL COMMON GN2S CHASSIS Segment QW ...
Страница 13: ...13 Board Name Board PWB A side Detail BBA Q6020 BBE Q6020 Q6020 Q6020 2 x Blinking Checking Point ...
Страница 31: ...BBE BBA 31 Pin 8 ...
Страница 90: ...HDMI No Picture Checking Point 1 8 QW BBA Side A HDMI1 CN3601 HDMI2 CN3600 90 ...
Страница 93: ...QW BBA Side A CL5007 HDMI No Picture Checking Point 4 8 93 ...
Страница 94: ...HDMI1 CN3601 HDMI2 CN3600 QW BBE Side A HDMI No Picture Checking Point 5 8 94 ...
Страница 97: ...QW BBE Side A CL5007 R3613 HDMI No Picture Checking Point 8 8 97 ...
Страница 144: ...144 5 2 Block Diagram Diagrams 5 2 1 QW IPTV BBA PWB for COL BR PAA PAD LA PH CH TW ...
Страница 145: ...145 5 2 Block Diagram Diagrams 5 2 2 QW IPTV BBA PWB for UC ...
Страница 146: ...146 5 2 Block Diagram Diagrams 5 2 3 QW QT IPTV BBE PWB for EU ...
Страница 153: ...153 9 888 190 01 Sony EMCS Malaysia Sdn Bhd RDCM English 2016 01 ...