Marantz CDR631 Service Manual page 14

CD-R DISC LOADED
CHECK:
•
NO
DISC
DETECTION &
•
READING?
•
YES
NO
DISPLAY:
"CD R" &
OPC INFO?
YES
FINALISED OR PARTIALLY
CD-R DISC EMPTY
RECORDED CD-R DISC
START MANUAL
RECORDING FROM
ANALOG SOURCE
CHECK:
•
•
NO
ANALOG IN?
YES
•
CHECK:
•
•
NO
LEVEL
ADJUSTABLE?
•
YES
•
CHECK:
•
NO
DIGITAL IN?
•
OPTICAL IN?
YES
•
NO
RECORDING CHECK:
SUCCESSFUL?
•
YES
SET OK
Figure 6-3
WIRING
POWER SUPPLY VOLTAGES
ELECTRICAL SERVICE DIAGNOSTICS:
REPLACE CDR MODULE IF "DERRn"
OR "BERRn" ERROR OCCURS
CHECK:
NO
DISPLAY: •
"CD" OR "CD R" &
•
T.O.C. INFO?
YES
LOADED :
SEE CD-DA DISC
FAULT FINDING
AUDIO CONNECTIONS & CABLES
AUDIO BOARD
⇒
+10V (QM01), -10V (QM02)
⇒
CHECK SINGNAL
-FOR BALANCE IN AT Q326
-FOR UNBALANCE IN AT Q331
-FOR BALANCE & UNBALANCE IN AT Q332
-FOR OPTICAL IN AT J301
ELECTRICAL SERVICE DIAGNOSTICS:
REPLACE CDR MODULE IF "DERRn"
OR "BERRn" ERROR OCCURS
AUDIO CONNECTIONS & CABLES
DISPLAY BOARD (SEE FAULT FINDING GUIDE DISPLAY BOARD)
⇒ EASY JOG KNOB
⇒ I 2 C COMMUNICATION
⇒ ELECTRICAL SERVICE DIAGNOSTICS:
KEYBOARD TEST
AUDIO
BOARD (SEE FAULT FINDING GUIDE I/O BOARD - ANALOG IN PATH)
ELECTRICAL SERVICE DIAGNOSTICS:
REPLACE CDR MODULE IF "DERRn"
OR "BERRn" ERROR OCCURS
AUDIO CONNECTIONS & CABLES
AUDIO BOARD
⇒
FLEX AND WIRE CONNECTIONS
⇒
+5V (pin 3 conn. W853)
⇒
CHECK SINGNAL
-FOR XLR IN AT Q326
-FOR COAXIAL IN AT Q331
-FOR XLR & COAXIAL IN AT Q332
-FOR OPTICAL IN AT J301
ELECTRICAL SERVICE DIAGNOSTICS:
REPLACE CDR MODULE IF "DERRn"
OR "BERRn" ERROR OCCURS
ELECTRICAL SERVICE DIAGNOSTICS:
REPLACE CDR MODULE IF "DERRn"
OR "BERRn" ERROR OCCURS
DISC: DIRT, SCRATCHES, DAMAGED...
ELECTRICAL SERVICE DIAGNOSTICS:
REPLACE CDR MODULE IF "DERRn"
OR "BERRn" ERROR OCCURS
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