Baaf - Onkyo TX-SR444 Service Manual

1
Check Point (BAAF-1712)
D
C
B
Front
Q6060 Q6050
A
Back
1
2 3
R6690
J4051
2 3
4
R6690
Check voltage
●
: +21.5V
J4036,J4000
Check voltage
●
J4000 : +15V
●
J4036 : -15V
J4051
Check signal
●
:
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
J4036
Master volume : 46
J4000 Q6050, Q6060
Check signal
● Q6050(base) :
●
Q6060(base) :
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
TX-SR444/ HT-R494 only
●Each voltage is shown as the reference value.
Value error : Plus or minus 15%
4
5 6
Trouble Shoot
ca. 100mV
ca. 3V
TX-SR343/444/HT-R494
5 6
D
C
B
A