KDL-32R420A/421A/423A/424A, 40R470A/471A/473A/474A, 46R470A/473A(AEP/UK)
23
TROUBLE SHOOTING
2) 3 times blinking (Main Board Error)
3-time blinking
Check PWM_5V at
L202 pin-2 on Main board
(4.75~5.25V)
U202, L202, etc
Change Main board
Change Speaker
Check SYS_3.3V
at U204_Pin-6
on Main Board
(3.135~3.465V)
Check the speaker
Impedance at the
SP Connector
(8ohm+/-15%)
U204, etc
Change Main board
Demo, Audio, Tuner, etc
Change Main board
DC_ALERT
NG
OK
NG
OK
AUDIO
NG
OK
Check the harness
M/B to Speaker
connection
NG
OK
Fix the harness
connection
Содержание BRAVIA KDL-32R420A
Страница 2: ...SERVICE MANUAL LCD Digital Color TV 9 888 532 02 RB1FK CHASSIS Segment BA ...
Страница 29: ...KDL 32R420A 421A 423A 424A 40R470A 471A 473A 474A 46R470A 473A AEP UK 29 SEC 4 DIAGRAMS 4 1 BLOCK DIAGRAM ...
Страница 74: ...74 APPENDIX 3 KDL 32R420A 421A 423A 424A 40R470A 471A 473A 474A 46R470A 473A AEP UK SWITCH UNIT DISASSEMBLY ...