Philips LX-3000D, Service Manual

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Check main BD Check main BD
Pin4=(-12V) Pin4=(-12V)
Repair IC407 Repair IC407
Power supply circuit Power supply circuit
No No
IC407 power supply IC407 power supply
Check IC407 Check IC407
Pin7 to C449=(L/CH) Pin7 to C449=(L/CH)
Audio Signal output Audio Signal output
Pin1 to C454=(R/CH) Pin1 to C454=(R/CH)
Yes Yes
Repair Repair
Between C449 ,C454 to JK401(audio out)
Yes Yes
Check IC407 Check IC407
No No
Of IC401 to IC402 section circuit Of IC401 to IC402 section circuit
See(C) See(C)
Yes Yes
Chage IC407 Chage IC407
Repair chart Repair chart
H
Audio Line Audio Line
No Output No Output
Check IC413 Check IC413
Pin3 from C4008 Pin3 from C4008
Audio Signal input Audio Signal input
No No
Yes Yes
(Center line out) (Center line out)
Repair Repair
Between C4004 to JK402 Circuit Between C4004 to JK402 Circuit
I
Center Line Center Line
No Output No Output
Check main BD Check main BD
Subwoofer Signal output Subwoofer Signal output
C495 to R409 to JK402 C495 to R409 to JK402
No No
Yes Yes
Between IC411 to IC405,IC406 Between IC411 to IC405,IC406
See (C) Repair chart See (C) Repair chart
circuit circuit
J
Subwoofer Line Subwoofer Line
No Output No Output
At DVD mode At DVD mode
JK106 Pin2 power supply JK106 Pin2 power supply
No No
Check main BD Check main BD
Yes Yes
K
Digital Line Digital Line
No Output No Output
Pin8=(+12V) Pin8=(+12V)
No No
circuit circuit
Pin5 from C447 to R422=(L/CH)
Audio Signal input Audio Signal input
Pin3 from C452 to R428=(R/CH)
At DVD mode At DVD mode
No DVD line out No DVD line out
All function All function
IC407 power supply IC407 power supply
At (surround) mode At (surround) mode
No Aux/TV/tuner line out No Aux/TV/tuner line out
Repair Repair
between (RB104 Pin1,Pin2) between (RB104 Pin1,Pin2)
to (IC401 Pin2,Pin15) circuit
to (IC401 Pin2,Pin15) circuit
No No No No
See (E) and (F) See (E) and (F)
Repair chart Repair chart
Check main BD Check main BD
Pin4=(-12V) Pin4=(-12V)
Repair IC413 Repair IC413
Power supply circuit Power supply circuit
No No
IC413 power supply IC413 power supply
Pin8=(+12V) Pin8=(+12V)
Between C4008 to R490 Circuit Between C4008 to R490 Circuit
Repair Repair
Check IC413 Check IC413
Pin1 to C4004 Pin1 to C4004
Audio Signal output Audio Signal output
No No
Yes Yes
Change IC413 Change IC413
Yes Yes
Yes Yes
(Woofer out) (Woofer out)
Repair Repair
Circuit Circuit
Between C495 to JK402 Between C495 to JK402
(At DVD mode) and (Surround) (At DVD mode) and (Surround)
Check at surround mode Check at surround mode
Subwoofer signal output Subwoofer signal output
IC404 Pin7 to C435 IC404 Pin7 to C435
Check at DVD mode Check at DVD mode
Subwoofer signal input Subwoofer signal input
IC406 Pin3 IC406 Pin3
No No
See (D) See (D)
Repair chart Repair chart
No No
Check main BD Check main BD
Pin4=(-12V) Pin4=(-12V)
Repair Repair
Power supply circuit Power supply circuit
No No
IC403 and IC404 IC403 and IC404
Pin8=(+12V) Pin8=(+12V)
Power supply Power supply
IC403 and IC404 IC403 and IC404
No No
Check IC403 Check IC403
Subwoofer signal input Subwoofer signal input
Pin2 from C420,C421 Pin2 from C420,C421
Repair Repair
circuit circuit
Between IC403 to IC404 Between IC403 to IC404
Yes Yes
See(C) See(C)
IC401 to IC406 circuit IC401 to IC406 circuit
Repair chart Repair chart
No No
Repair JK106 Repair JK106
Power supply circuit Power supply circuit
Check Check
JK106 Pin1 digital signal JK106 Pin1 digital signal
Change JK106 Change JK106
Yes Yes
Check Check
RB102 Pin15 digital signal RB102 Pin15 digital signal
No No
Check Check
Between JK106 Pin1 to RB102 Pin15 Between JK106 Pin1 to RB102 Pin15
circuit circuit
Yes Yes
Check MPEG BD Check MPEG BD
Betweeen CN102 Pin15 to IC6 Pin41 Betweeen CN102 Pin15 to IC6 Pin41
circuit circuit
No No
REPAIR INSTRUCTIONS
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