VSX-1016V-K
199
5
6
7
8
5
6
7
8
C
D
F
A
B
E
Step 5: DIR
IC952 (Pin 12)
Do
convert 3 V into
5 V for pin 8
input?
A
To Step 5
To Step 6
Replace IC952.
Replace IC501.
Replace IC501.
Replace IC601.
Replace IC601.
No
Yes
IC952 (Pin 14)
Do
convert 3 V into
5 V for pin 6
input?
Replace IC952.
No
Yes
IC952 (Pin 16)
Do
convert 3 V into
5 V for pin 4
input?
Replace IC952.
No
Yes
IC952 (Pin 18)
Do
convert 3 V into
5 V for pin 2
input?
Replace IC952.
No
Yes
Check the IR I/O Assy, and
parts and patterns in the path.
IC601 (Pin 1)
IN1 (TV/SAT)
Check that the SPDIF signal is output.
Check that changes by pulling out and inserting the
digital input lines.
Can
observer the
digital signal
?
No
(0 V
⇔
4 V)
Yes
Check the IR I/O Assy, and
parts and patterns in the path.
IC601 (Pin 5)
IN2 (CD-R/TAPE/MD)
Can
observer the
digital signal
?
No
(0 V
⇔
4 V)
Yes
IC601 (Pin 44)
IN3 (DVD/LD)
Can
observer the
digital signal
?
No
Yes
Yes
Check the FRONT-IN Assy, and
parts and patterns in the path.
IC601 (Pin 7)
Front IN (VIDEO2)
Can
observer the
digital signal
?
No
(0 V
⇔
4 V)
Yes
Yes
IC601 (Pin 42)
IN4 (CD)
Can
observer the
digital signal
?
No
(1.65 V or 2.5 V center, amplitude
more than 0.2 Vp-p)
(1.65 V or 2.5 V center, amplitude
more than 0.2 Vp-p)
Check the other assy.
(surrounding of the
microcomputer)
IC601 (Pin 23)
MCKO1 (Master clock)
No
No
Yes
Yes
Is there
a master clock
output?
IC601 (Pin 24)
LRCK (LR clock)
No
Is there
a LR clock
output?
Replace IC601.
Yes
IC601 (Pin 25)
SDTO (Data)
No
Is there
a data
output?
Replace IC601.
Yes
IC601 (Pin 26)
BCK (Bit clock)
No
Is there
a bit clock
output?
Is the
voltage of PDN
IC601-pin 31
5 V?
No
No
Is the
oscillation of XTO
IC601-pin 29
stopped?
Is the output of
IC601-pin 36
(INT0 )
0 V?