PIONEER AS-LX70/XJ/EW5
Instrukcja Serwisowa

5

6

7

8

A

H
IC701 (Pin 2) Is there abnormality at the parts and patterns in the input path? IC201 (Pin 77) Is there a bit clock output? Yes IC701 (Pin 4) No Is there abnormality at the parts and patterns in the input path? BCKO Is there abnormality at the parts and patterns in the output path?

Is there a master clock input (24.576 MHz)? Yes IC751 (Pin 2) Is there a master clock input (24.576 MHz)? Yes IC201 (Pin 79) Is there a LR clock output? Yes IC701 (Pin 3) Is there a LR clock input? Yes IC701 (Pin 31)

No

No

No

No

Replace IC291, IC701 or IC751.

Failure in 2nd DSP block. Go to Step 9.
B

No

Is there a bit clock input? Yes IC701 (Pin 30)

No

Is there abnormality at the parts and patterns in the input path?

No Replace IC701.

Replace IC291, IC701 or IC751. LCKO Is there abnormality at the parts and patterns in the output path?

(BCK) Is there abnormality at the parts and patterns in the output path?

No

No

Is there a bit clock output? Yes IC751 (Pin 4)

No

No Replace IC701
C

Failure in 2nd DSP block. Go to Step 9.

or IC751.

No

Is there abnormality at the parts and patterns in the input path?

No Replace IC701.

Is there a bit clock input? Yes IC751 (Pin 30)

No

Is there abnormality at the parts and patterns in the input path?

No Replace IC701 or IC751.

(LRCK)

LSBK
D

Is there a LR clock output? Yes IC751 (Pin 3) Is there a LR clock input? Yes IC751 (Pin 31) Is there a LR clock output? Yes IC3101 (Pin 26)

No

Is there abnormality at the parts and patterns in the output path?

No Is there a bit clock output? Yes No Is there abnormality at the parts and patterns in the output path? No

Replace IC701 or IC751.

Replace IC751 or IC3101.

No

Is there abnormality at the parts and patterns in the input path?

No Replace IC701 or IC751.

IC3101 (Pin 27) Is there a bit clock input? Yes Is there abnormality at the parts and patterns in the input path?

No

No
E

LSLK Is there abnormality at the parts and patterns in the output path?

Replace IC751 or IC3101. FDTO Is there abnormality at the parts and patterns in the output path?

No

No Replace IC751 or IC3101.

IC201 (Pin 7) Is there a audio data output? Yes

No

No

Is there a LR clock input? Yes

No

Is there abnormality at the parts and patterns in the input path?

No

Failure in 2nd DSP block. Go to Step 9.
F

I

Replace IC751 or IC3101.

SX-LX70SW
5 6 7 8

37