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This manual is very useful because it presents the technical specifications of the cd player, including the manufacturer of the reader, this helps if you need to replace it. It also displays the settings and layout of the circuit.
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Manual was a good representation of service infomation for the EWV404. It worked well for my repair.
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Great quality copy, right what I was looking for, all I need to fix my radio.
Thanks
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I BOUGHT A PAIR OF INFINITY VINTAGE SPEAKERS THAT REQUIRED TO BE REPAIRED AND THE ELECTRONIC TECHNICIAN ASKED ME FOR THE SERVICE MANUAL.
I TRIED TO GET IT AT THE MANUFACTURER'S SITE WITH NO SUCCESS, SO I STARTED TO LOOK FOR IT IN THE WEB FOR A LONG TIME, UNTIL I FOUND THE SERVICE MANUAL IN THIS EXCELLENT SITE "OWNER'S MANUAL.COM".
NOW I HAVE MY SPEAKERS WORKING AND ENJOYING THE MUSIC I LIKE.
THANKS TO "OWNER`S MANUAL.COM" I RECOMMEND THIS SITE TO EVERYONE.
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Very quick response. Very good and accurate print quality of the scanned document.
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[6] AUDIO SYSTEM
Flowchart of Failure Analysis for The Audio System
=> AU1 Has the sound been emitted from the speakers? Yes No Is sound muting set? No Is the volume set to 0? No Is a headphone inserted? No Is a SPDIF signal input to IC7602 (DP TX)? (pin 6) No Is a SPDIF signal output from IC5801 (MSP)? (pin 126) No Yes Check around the IC7602 (DP TX) and the communication with the microcomputer, and replace the System Cable. Repair the failure points, then check again. Yes Check the IC5801 (MSP) and peripheral circuit and clock output of X5801. Repair the failure points, then check again. Yes Pull out headphone, then check again. Yes Raise the volume, then check again. Yes Cancel muting, then check again.
A
B
42
Go to
A.
C
Has the sound been emitted from the MONITOR OUT terminal? Yes
No
Is a 12 V output from +12V_Reg No output of IC4308 (+12V_Reg) normal? Yes Are signals output from IC5911 (OP AMP)? (pins 1, 7) No Are signals input to IC5911, IC5931? (pins 2, 3, 5, 6) No
Check the IC4308 (+12V_Reg) and peripheral circuit. Repair the failure points , then check again.
Yes Check the IC5911 (OP AMP) and peripheral circuit. Repair the failure points , then check again.
43
Yes Check the peripheral circuits and the communication with the microcomputer. If there was no problem, replace the IC5801 (MSP).
D
44 45
Go to
A.
Has the sound been emitted from the Headphones?
No
Is sound muting set? No Is the volume set to 0? No
Yes
Cancel muting, then check again.
Yes
Raise the volume, then check again.
E
Is a 5 V output from +5V_Reg No output of IC4310 (+5V_Reg) normal? Yes Is a signal output from IC5971 (HP AMP) ? (pins 1, 7) No
Check the IC4310 (+5V_Reg) and peripheral circuit. Repair the failure points, then check again.
Yes Check the FFC (J201) between the MAIN BLOCK and FRONT IO Assys. If there was no problem, replace the IC5971 (HP AMP) or FRONT IO Assy.
46
Yes Check the IC5801 (MSP) and peripheral circuit and clock output of X5801. Repair the failure points, then check again.
F
Is a signal output from IC5801 (MSP)? (pins 38, 39) 47 No
Go to
A.
KRP-M01 33
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