Diagnostic Software
EN 78
DVDR880-890 /0X1
5.
5.5.7
Nucleus 906: Video User Dealer Loop
Nucleus for testing the components on the video signal system
path:
•
The VIP
•
The video encoder
•
The VSM
•
The host decoder
•
The analogue board
On the analogue board, the video signal is internally routed
back to the digital board.
Figure 5-15
5.5.8
Nucleus 907: Video VBI User Dealer Loop
This nucleus tests the components on the video VBI signal
path:
•
The VIP
•
The VSM
•
The Host Decoder
The signal is routed back internally on the analogue board
Remark: this test is only successful if nucleus 121 is carried out
first.
Figure 5-16
NUCLEUS 906: VIDEO USER DEALER LOOP
VIP
STI 5508
VSM
EMPRESS
DIGITAL BOARD
ANALOGUE BOARD
STV6618
connector
1947
connector
1947
connector
1601
connector
1601
VIP_ICLK: 27MHz
7500
7408
7403
7200
7100
TR 01014_001
080502
NUCLEUS 907: VIDEO VBI USER DEALER LOOP
VIP
STI 5508
VSM
EMPRESS
DIGITAL BOARD
ANALOGUE BOARD
STV6618
connector
1947
connector
1947
connector
1601
connector
1601
VIP_ICLK: 27MHz
7500
7408
7403
7200
7100
TR 01015_001
080502
Summary of Contents for DVDR880/001
Page 48: ...Mechanical Instructions EN 50 DVDR880 890 0X1 4 4 5 Dismantling Instructions Figure 4 14 ...
Page 166: ...Circuit IC Descriptions and List of Abbreviations EN 168 DVDR880 890 0X1 9 ...
Page 167: ...Circuit IC Descriptions and List of Abbreviations EN 169 DVDR880 890 0X1 9 ...
Page 174: ...Circuit IC Descriptions and List of Abbreviations EN 176 DVDR880 890 0X1 9 IC7411 ...
Page 182: ...Circuit IC Descriptions and List of Abbreviations EN 184 DVDR880 890 0X1 9 ...
Page 183: ...Circuit IC Descriptions and List of Abbreviations EN 185 DVDR880 890 0X1 9 ...
Page 184: ...Circuit IC Descriptions and List of Abbreviations EN 186 DVDR880 890 0X1 9 ...
Page 203: ...Circuit IC Descriptions and List of Abbreviations EN 205 DVDR880 890 0X1 9 ...