Marantz SR6005/N1SG Service Manual page 44

(19) Check power supply.
Is 3.3V supplied to L2200/C2230?
Is 1.8V supplied to C2242?
Is 1.0V supplied to both ends of R2276?
(20) Check RESET.
Is RESET waveform confi rmed in through hole (RESET N)? (If
continued to "H" or " L", proceed to "NO".)
(21) Check input signal.
Is waveform confi rmed in R1642(INPUTDE/INPUTVSN/
INPUTHSN/INPUTVCLK). (If not continued to " L", proceed to
"YES".)
(22) Check output signal.
Is waveform confi rmed in R2200(VOUTCLK0/VOUTHS/VOUTVS/
VOUTDE). (If not continued to " L", proceed to "YES".)
To item (32).
(Keep "VIDEO CONVERT : ON" setting.)
YES
YES
YES
YES
NO
The power supply circuitry is defective.
NO
The RESET circuitry (U2201 and
surrounding circuitry ) or U2200 is defective.
NO
The U1601 is defective.
NO
The U2200 is defective.
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