Pioneer VSX-820-K Service Manual page 33

5
QQ
3 7 63 1515 0
Step 5: IN/OUTPUT Diagnosis (VSX-820-K)
JACK701 (Pin 18)
Is the voltage
5 V?
Yes
JACK703 (Pin 18)
Is the voltage
5 V?
Yes
JACK704 (Pin 18)
Is the voltage
5 V?
Yes
JACK705 (Pin 18)
TE
L 13942296513
Is the voltage
5 V?
Yes
To Step 6
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.
5
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* When connected the equipment to IN1(BD);
+5V_R3
No
Check the JACK705. If JACK705
is failure, replace JACK705.
* When connected the equipment to IN2(DVD);
+5V_R2
No
Check the JACK703. If JACK703
is failure, replace JACK703.
* When connected the equipment to IN3(TV/SAT);
+5V_R1
No
Check the JACK704. If JACK704
is failure, replace JACK704.
* When connected the equipment to IN4(DVR/VCR);
+5V_R0
No
Check the JACK705. If JACK705
is failure, replace JACK705.
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6
8
Step 5: IN/OUTPUT Diagnosis (VSX-520-K)
JACK703 (Pin 18)
Is the voltage
JACK704 (Pin 18)
Is the voltage
JACK705 (Pin 18)
Is the voltage
To Step 6
Q Q
3 6 7 1 3
u163
.
VSX-820-K
6
7
2 9 9 4 2 8
* When connected the equipment to IN1(BD);
+5V_R3
No
Check the JACK703. If JACK703
is failure, replace JACK703.
5 V?
Yes
* When connected the equipment to IN2(DVD);
+5V_R2
No
Check the JACK704. If JACK704
is failure, replace JACK704.
5 V?
Yes
* When connected the equipment to IN3(TV/SAT);
+5V_R1
No
Check the JACK705. If JACK705
is failure, replace JACK705.
5 V?
Yes
1 5 0 5 8 2 9 9 4
m
co
7
8
9 9
A
B
C
2 8 9 9
D
E
F
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