Pioneer VSX-2016AV-S Service Manual page 224

1
A
IC701 (Pin 29) DACC
No
Is there a
C signal?
Yes
CN1002 (Pin 11)
SC OUT
B
No
Is there a
C signal?
Yes
Diagnose the MAIN CONTROL
Assy or S-VIDEO Assy.
IC701 (Pin 28)
DACD
C
No
Is there a
Y signal?
Yes
CN1002 (Pin 19) Y OUT
No
Is there a
Y signal?
D
Yes
Diagnose the MAIN CONTROL
Assy or COMPONENT Assy.
IC701 (Pin 25)
DACE
No
E Is there a
Pb signal?
Yes
CN1002 (Pin 21)
Pb OUT
No
Is there a
Pb signal?
Yes
F
Diagnose the MAIN CONTROL
Assy or COMPONENT Assy.
224
1
2
i-3
Check the parts and patterns in
the path (IC701 to R751, Q751).
If IC701 or R751 or R752 or Q751
is failure, replace it.
a
Check the parts and patterns in
the path (Q751 to CN1002).
If Q751 or R753 is failure,
replace Q751 or R753.
i-4
Check the parts and patterns in
the path (IC701 to R761, Q761).
If IC701 or R761 or R762 or Q761
is failure, replace it.
a
Check the parts and patterns in
the path (Q761 to CN1002).
If Q761 or R763 is failure,
replace Q761 or R763.
i-5
Check the parts and patterns in
the path (IC701 to R771, Q771).
If IC701 or R771 or R772 or Q771
is failure, replace it.
a
Check the parts and patterns in
the path (Q771 to CN1002).
If Q771 or R773 is failure,
replace Q771 or R773.
VSX-2016AV-S
2
3
IC701 (Pin 24) DACF
i-6
Check the parts and patterns in
No
Is there a
the path (IC701 to R781, Q781).
Pr signal?
If IC701 or R781 or R782 or Q781
is failure, replace it.
Yes
CN1002 (Pin 23)
Pr OUT
a
Check the parts and patterns in
No
Is there a
the path (Q781 to CN1002).
Pr signal?
If Q781 or R783 is failure,
replace Q781 or R783.
Yes
Diagnose the MAIN CONTROL
Assy or COMPONENT Assy.
3
4
4