Sony PMW-EX1 Service Manual page 64

Item7: Diagnosis between image processor and display blocks
Diagnosis between Image processor and Display blocks analyzes the following contents.
ID Diagnosis description
0x80 Video signal line test
When an error is detected, it indicates a possible failure in the chip or the signal line between chips.
Item8 to 13: Diagnosis between display and media blocks
Diagnosis between display and media blocks analyzes the following contents.
Item No. ID Diagnosis description
8 0x90 Video signal line communication
test in recording direction (in the
direction from base band processing
IC to AVIT signal processing IC)
9 0x91 Video signal line communication
test in playback direction (in the
direction from AVIT signal processing
IC to base band processing IC)
10 0x92 LPCM signal line communication
test in recording direction (in the
direction from base band processing
IC to AVIT signal processing IC)
11 0x93 LPCM signal line communication
test in playback direction (in the
direction from AVIT signal processing
IC to base band processing IC)
12 0x94 4bit I/F signal line communication
test in recording direction (in the
direction from base band processing
IC to AVIT signal processing IC)
13 0x95 4bit I/F signal line communication
test in playback direction (in the
direction from AVIT signal processing
IC to base band processing)
When an error is detected, it indicates a possible failure in the chip or the signal line between chips.
3-14
Error value
-1: Test pattern checking failure
Error value
-1: Test pattern checking failure
-2: Sequence error
-1: Test pattern checking failure
-2: Sequence error
-1: Test pattern checking failure
-2: Sequence error
-1: Test pattern checking failure
-2: Sequence error
-1: Test pattern checking failure
-2: Sequence error
-1: Test pattern checking failure
-2: Sequence error
Type 1/2 Note
1, 2 Conducts a test from camera
signal processor IC to base band
processing IC. Monitor output
images will be distorted during
the test.
Type 1/2
1, 2
1, 2
1, 2
1, 2
1, 2
1, 2
Note
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PMW-EX1