Onkyo TX-NR545 Service Manual page 21

1
Check Point (BAAF-1720)
D
F6402 F6401
C
J6718
J6615
B
P6080
Front
Q6050 Q6060
A
Back
1
2 3
J6615, Q6050, Q6060, P6080
Input terminal : HDMI IN or OPT IN or ANALOG IN
Input signal(HDMI/OPT IN) : Test disc 1kHz 0dB
Audio format : LPCM, Dolby Digital(Otherwise, CD)
Input signal(ANALOG IN) : 1kHz 2Vrms
Master volume : 46
2 3
4 5
J6718
Check voltage
●
: ca. +23V
J6615
Check signal
Q6050, Q6060
Check signal
●
Q6050(base) :
●
Q6060(base) :
P6080
Check signal
F6401
Check damage
●
Normal (OK) or blown (No good)
F6402
Check damage
●
Normal (OK) or blown (No good)
●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
ca. 100mV
ca. 3.3V
ca. 1.5V
TX-NR545/646/747
6
D
C
B
A