VSX-917V-K
108
1
2
3
4
1
2
3
4
C
D
F
A
B
E
IC952 (Pin 14)
Do
convert 3 V into
5 V for pin 6
input?
A
To Step 5
Replace IC952.
No
Yes
IC952 (Pin 13)
Do
convert 3 V into
5 V for pin 7
input?
Replace IC952.
No
Yes
Check the path to pin 45 of IC801.
Replace IC802.
Step 5: X'tal
To Step 6
Replace IC802 or X801.
Yes
IC802 (Pin 2)
No
Is there
a 24.576 MHz
output?
Check the path to pin 30 of IC601.
Replace IC802.
Yes
IC802 (Pin 7)
No
Is there
a 24.576 MHz
output?
Yes
IC802 (Pin 5)
No
Is there
a 24.576 MHz
output?
Replace IC851.
Replace IC801.
Step 7: DSP output (digital)
Step 6: ROM
Digital output when indicated each CH.
Replace IC801.
Yes
IC801 (Pin 4)
SurroundBack L/R data
No
Is there
a data output?
Replace IC801.
Yes
IC801 (Pin 5)
Center/LFE data
No
Is there
a data output?
Replace IC801.
Yes
IC801 (Pin 6)
Surround L/R data
No
Is there
a data output?
Replace IC801.
Yes
IC801 (Pin 7)
Front L/R data
No
Is there
a data output?
To Step 7
To Step 8
Is the
voltage output about
3.3 V during the operation
mentioned
above?
IC851 (Pin 6)
SCK (Clock in)
IC851 (Pin 5)
SI (DATA in)
IC851 (Pin 2)
SO (DATA out)
IC851 (Pin 1)
CS#
Yes
Yes
IC801 (Pin 70)
BUSY
No
Replace IC801.
Is the
voltage output about
0 V after the operation is
completed mentioned
above?
Yes
No
No
Is there
movement (0 V
⇔
3.3 V) when turned the
MCACC on, and does
movement stop within
3 sec.?
(0 V
⇔
3.3 V)
(0 V
⇔
3.3 V)
(0 V
⇔
3.3 V)
(0 V
⇔
3.3 V)
Содержание VSX-817-K
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