AVH-P4100DVD/XN/UC
57
5
6
7
8
5
6
7
8
C
D
F
A
B
E
Check 11: Is the video circuit OK?
<Outline> Composite signal and component signal are output from DVD-LSI (IC1501), and are output from the
HOST I/F (CN1901) via a buffer circuit.
CN1901
HOST I/F
Composite
COMPOSITE
Fig 11.1: Video circuit
<Checking method> Playback DVD-REF-A1 TITLE2 CHAPTER5 (WHITE 100%), and monitor COMPOSITE signal with
an oscilloscope with GNDV1 (stylus) being the reference. Set the trigger mode to “TV trigger” and
the trigger line to “150 line”.
IC1501
DVD_LSI
Video
DAC
section
NO.
Check point 1 (stylus)
Specification value
Reference waveform
1
COMPOSITE
1 000 mVpp ± 5 %
Waveform 6
In case of NG, check the applicable line, the periphery of the major components in the drawing above, soldering of the
peripheral components and defective components.
PEAK
COMPOSITE signal
Reference
value
Color burst
Pedestal level
BOTTOM
Horizontal sync signal
Fig 11.2: Waveform for the case of composite white 100% output
Summary of Contents for AVH-P4100DVD/XN/UC
Page 25: ...AVH P4100DVD XN UC 25 5 6 7 8 5 6 7 8 C D F A B E ...
Page 31: ...AVH P4100DVD XN UC 31 5 6 7 8 5 6 7 8 C D F A B E ...
Page 63: ...AVH P4100DVD XN UC 63 5 6 7 8 5 6 7 8 C D F A B E Side A SCLOCK SDATA D CP_ RESET D DGND2 ...
Page 69: ...AVH P4100DVD XN UC 69 5 6 7 8 5 6 7 8 C D F A B E ...
Page 122: ...AVH P4100DVD XN UC 122 1 2 3 4 1 2 3 4 C D F A B E 9 3 EXTERIOR 1 A A A B ...
Page 124: ...AVH P4100DVD XN UC 124 1 2 3 4 1 2 3 4 C D F A B E 9 4 EXTERIOR 2 A A E F EW5 UW5 UC ...
Page 131: ...AVH P4100DVD XN UC 131 5 6 7 8 5 6 7 8 C D F A B E ...
Page 135: ...AVH P4100DVD XN UC 135 5 6 7 8 5 6 7 8 C D F A B E ...
Page 153: ...AVH P4100DVD XN UC 153 5 6 7 8 5 6 7 8 C D F A B E ...
Page 168: ...AVH P4100DVD XN UC 168 1 2 3 4 1 2 3 4 C D F A B E 10 11 SERVICE PCB ASSY G ...
Page 169: ...AVH P4100DVD XN UC 169 5 6 7 8 5 6 7 8 C D F A B E G G SERVICE PCB ASSY 3 4 A CN801 ...
Page 181: ...AVH P4100DVD XN UC 181 5 6 7 8 5 6 7 8 C D F A B E E SIDE B E KEYBOARD UNIT F CN5003 ...
Page 187: ...AVH P4100DVD XN UC 187 5 6 7 8 5 6 7 8 C D F A B E G SERVICE PCB ASSY G SIDE B ...