Circuit Operating Descriptions
Samsung Electronics
13-9
13-4 Video Input
13-4-1 Video Input Outline
The model specified in this book uses service manual is the two AV Video input. AV 1 Video input is CVBS1 & S-
Video1 at the Rear Panel. AV 2 Video
input is CVBS2 at the Front Panel.
The analog Video signal select AV 1 or AV 2 by the IC601 (Front Micom).
TIC1 (Video Decoder) diverges from the 27MHz crystal, then generates ITU-R656 (10bits) and
27MHz clock. VIC1 (Video Decoder) does closed caption, copy guard detect processing and A/D conversion
of analog Video signal converted into 11bit Digital Video signal (ITU-R656 Format) is outputted via DIC1 (MPEG2
Decoder &Encoder with video Encoder) of digital part.
AV 1
(Rear)
Video
Input
CVBS 1
Y1
C1
AV 2
(Front)
Video
Input
CVBS2
MM1113
Analog MUX
IC702
Video
Decoder
VIC1
A/V CODEC
DIC1
CVBS
Y
C
ITU-R656 10bit
27MHz
V_SYNC
SDA
SCL
/RSTAV
CVBS
RF
Fig. 13-7
13-4-2 Analog Mux (MM1113)
IC702 is Analog Mux.
As Pin 2, 4 of the IC702 are controlled by the Front Micom, IC702 select RF OF CVBS(Pin1)
Line1 of CVBS[Pin3] and AV2 of CVBS[Pin 5].
The analog Video Signal of IC201 output is selected by the IC601 via VIC1(Video Decoder : TW9906) of analog
Video Input parts.
Summary of Contents for DVD-R157
Page 10: ...Precautions 1 6 Samsung Electronics MEMO...
Page 14: ...Product Specification 2 4 Samsung Electronics MEMO...
Page 37: ...Samsung Electronics 6 1 6 Exploded View and Parts List 6 1 Cabinet Assembly 6 2...
Page 40: ...Exploded Views and Parts List 6 4 Samsung Electronics MEMO...
Page 52: ...7 12 Samsung Electronics Electrical Parts List MEMO...
Page 60: ...Wiring Diagram 9 2 Samsung Electronics MEMO...
Page 66: ...PCB Diagrams 10 6 Samsung Electronics COMPONENT SIDE CONDUCTOR SIDE 10 3 Key PCB...
Page 67: ...PCB Diagrams Samsung Electronics 10 7 10 4 Function PCB COMPONENT SIDE CONDUCTOR SIDE...
Page 68: ...PCB Diagrams 10 8 Samsung Electronics MEMO...
Page 83: ...Samsung Electronics 12 1 12 Operating Instructions...
Page 84: ...Operating Instructions 12 2 Samsung Electronics...
Page 85: ...Operating Instructions 12 3 Samsung Electronics...
Page 86: ...Operating Instructions 12 4 Samsung Electronics...
Page 87: ...Operating Instructions 12 5 Samsung Electronics...
Page 88: ...Operating Instructions 12 6 Samsung Electronics...
Page 89: ...Operating Instructions 12 7 Samsung Electronics...
Page 90: ...Operating Instructions 12 8 Samsung Electronics...
Page 91: ...Operating Instructions 12 9 Samsung Electronics...
Page 92: ...Operating Instructions 12 10 Samsung Electronics...
Page 93: ...Operating Instructions 12 11 Samsung Electronics...
Page 94: ...Operating Instructions 12 12 Samsung Electronics...
Page 95: ...Operating Instructions 12 13 Samsung Electronics...
Page 96: ...Operating Instructions 12 14 Samsung Electronics...
Page 112: ...Circuit Operating Descriptions 13 16 Samsung Electronics MEMO...
Page 124: ...Reference Information 14 12 Samsung Electronics MEMO...