Philips DVDR1000/001 Service Manual page 58

GB 58 5. DVDR1000 /0x1 /691
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.
ANALOGUE BOARD
connector
1954
connector
1601
DIGITAL BOARD
7552
VIP
VIP_ICLK: 27MHz
AUDIO ENCODER
Figure 5-15
Diagnostic Software and Faultfinding Trees
NUCLEUS 906: VIDEO USER DEALER LOOP
7507
STV6410
connector
1954
connector
1601
7202
STI 5505
7703
7100
VSM
7410
EMPIRE
CL 16532095_081.eps
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
ANALOGUE BOARD
VIP
150801
NUCLEUS 907: VIDEO VBI USER DEALER LOOP
7507
STV6410
connector
connector
1954
1954
connector connector
1601 1601
DIGITAL BOARD
7552
VIP_ICLK: 27MHz
7703
AUDIO ENCODER
7410
EMPIRE
Figure 5-16
7202
STI 5505
7100
VSM
CL 16532095_082.eps
150801