REPAIR INSTRUCTIONS
2-4
2-4
D
ALL VOITAGE
NO OUTPUT
CHECK F901
BAD CAUSE DAMAGE
YES
NO
Check RL901
working or not
Check T903 pin3
approx if +28v Voltage
CHECK D905 AND
Check BR901
no
+30V Voltage
No Output
and RT901
its conjoint part
E
Check IC402,IC502,IC503
Pin4,7,12,15 Voltage=30V
Check IC500 their Voltage
correct is 3.3V 2.5V
YES
Check RL901 and
its conn circuti
YES
Check T903,IC903,IC904,
SN901,D902.D906,D907,
NO
D905and their conjoint part
YES
Repair Between IC1000
IC402 IC502 IC503 to
Check IC100 and its
Check Between IC500 to
Check CN500 and its
conjoint part
IC100 Circuit
NO
conjoint part
Audio Output
No Sound
YES
POWER SUPPLY
NO WORKING
+6V Voltage
No Output
+12V Voltage
No Output
-24V Voltage
No Output
CHECK D906 AND
its conjoint part
CHECK D907 AND
its conjoint part
CHECK D908 AND
its conjoint part
yes
Check repair in 3.3V 2.5V
net its conjoint part
NO
NO
and IC403 circuit
Repair Between IC503
L/R channel
No Sound
to JK500 and IC500
RS/center channel
No Sound
LS/SUB channel
No Sound
circuit
Repair Between IC502
to JK500 and IC500
circuit
Repair Between IC402
to JK500 and IC500
circuit
F
Check JK400
loose bad INT
Check IC 401 pin16=+7V
pin7=-7V offirm correct
NO
Aux/Tv in
No Sound
Check +7v and -7v
give circuit
NO
Check Repair Between
IC401 to JK300 and IC403
Check Repair IC403 to
IC100 tata
NO
YES
Circuit
