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All ok. I pay 5 $ and now i have 92 pages of good scaned service manual for my oooooold akai. Now i will try to repair it.
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good and ok, very nice , good and ok, very nice, good and ok, very nice
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Super manual it contains all the things you need to service your Marantz 2100.
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A very easy to understand and use manual. Well worth the money.
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Very good information with clear drawings. Thanks!
No 5.0VD
YES
No 3.3V
YES
Is there about 5.3V NO at the IC153 pin 1?
YES
Check 5.3VA on SMPS Board
Is there about 3.8V at NO the IC152 pin1?
YES
Check or Replace the D127
Is there about 4V ~ 5V at the IC153 pin 4?
YES
NO
Check the �PWR CTL H� signal from µ-COM
Is there about 4V~ 5V at the IC152 pin4?
YES
NO
Check the �PWR CTL �H��signal from µ-com
Check the IC153 and Replace
Check the IC152 and Replace
No 2.5V
YES
No SW_5.3VA
YES
Is there about 3V ~ 3.8V NO at the IC151 pin 1?
YES
Check D154 and D127 on SMPS Board
Is the VCC (5.3V) supplied to Q158 Emitor?
YES
NO
Check 5.3VA on SMPS Board
Is there about 4V ~ 5V at the IC151 pin 4?
YES
NO
Check the �PWR CTL H� signal from µ-COM
Is there about 0V NO at R179 and R156?
YES
Check the �STANBY H�signal from µ-COM
Check the IC151 and Replace
Check Q158 and Replace
3-5
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