Onkyo TX-NR545 Service Manual page 23

1
Check Point (BAPRC-1760)
D
C
B
P9011B
A
Back
1
2 3
P801B
Front
2 3
4
P801B
Check voltage
●
No.5 pin : ca. +12V (Stand By), ca. +15V (Power On)
P801B
Check voltage
●
No.3 pin : ca. +3V
P2800B
Check voltage
●
No.9 pin : ca. +5V
P2800B
Check signal
●
No.3 pin : signal
64μS
Input signal : Color bar(NTSC)
P7001(FFC)
●
Check damage and connection
P2800B P701A
How to check
1.Disconnect the FFC from the socket.
2.Check the contacts of the FFC.
FFC
P7001
P9011B
Check voltage
●
No.4 pin : ca. +12V (Stand By), ca. +15V (Power On)
P9011B
Check voltage
●
No.1 pin : ca. +3V
P701A
Check voltage
●
No.1 pin : ca. +5.2V
●Each voltage is shown as the reference value.
●各電圧は実測した標準値です
4
5 6
Trouble Shoot
●
No.5 pin : signal
ca. 1.4V
64μS
●
No.7 pin : signal
64μS
TX-NR545/646/747
5 6
D
C
ca. 1.4V
ca. 2.2V
B
A