(Supplementary
information)
TV Business Division
105
3.16.2 Troubleshooting Detail Audio Problem
3.16.2.2 Headphone (HP) Out No Sound
START
DONE
Change B-board
HP Amp IC (IC3501) or Main
IC (IC5000) problem
Use another Headphone
Headphone problem
No Sound, Headphone OK
Sound
No Sound
Check AV Setup,
Headphone is selected
No Sound
Do a Factory Setting &
set to desire channel with sound
Headphone Inserted,
Check J3501 Pin4 Voltage
Replace J3501
No Sound, Headphone OK,
J3501 Pin4 is 3.3V
No Sound, Headphone OK,
J3501 Pin4 is 3.3V
No Sound, Headphone OK,
J3501 Pin4 is 0V
No Sound
Sound
Sound
Sound
105
SYS SET
2018/05/04 04:12:02 (GMT+09:00)
Summary of Contents for KD-43X7 F Series
Page 2: ...SERVICE MANUAL COMMON LCD TV GN4UN CHASSIS Segment CHL SYS SET 2018 05 04 04 12 02 GMT 09 00 ...
Page 10: ...1 8 FFC Handling Caution 10 SYS SET 2018 05 04 04 12 02 GMT 09 00 ...
Page 11: ...11 1 9 Solder less Tuner Replacement SYS SET 2018 05 04 04 12 02 GMT 09 00 ...
Page 31: ...31 3 6 6x Blinking backlight error SYS SET 2018 05 04 04 12 02 GMT 09 00 ...
Page 139: ...CHL Block Diagram 4K BB8 BB9 PWB for EU 139 SYS SET 2018 05 04 04 12 02 GMT 09 00 ...