Samsung DVD-R130, Service Manual, Page: 61 / 130

Block Diagrams
Samsung Electronics 8-7 This Document can not be used without Samsung’s authorization.
8-6 HA118827F-E Block Diagram
Audio out2-R
(AV2)
Audio out2-L
(AV2)
Audio out1-R
(AV1)
Audio out2-L
(AV1)
Audio GND
TU-R
AV4-R
AV1-R
AV2-R
AV3-R
or
Hifi-R
AV3-L
or
Hifi-L
VCR
orAV3
input
Main
GND
ALWAYS5V
(Heavy Line block
powersupply)
AV2 AV1 TU TU TU
75Drive
GND
(15,17)
9V/2Vcc TU-R AV4-L AV1-L AV2-L
Futoshi line route(AV1 --> AV2AV2 --> AV1),
It operates at the Stanby Mode time.
(30,34,36Pinpower OFF)
Note: 75
Ω
drive can be driven only by one system
When it is driving two systeme necessary
Please add driver to external.
Pr(Cr)/R
Pr(Cr)/R
Pb(Cb)/B
SYNCSEP-OUT
SEP
Y-OUT
SEP
C-OUT
Clock
AV1 OUT
data
AV2 OUT
Always75DriveVCC
(15,17,19,21)
PY(Y)/G
PY(Y)/G
75DriveGND
(19,21)
TO DVD
Encoder
TO Hifi
DVD OUT
from
Decoder
SW 9V
VCC
ALL
To DVD
Encorder
YorV
SW 5V
VCC
ALL
75Drive
GND
(23,24,25)
C
Y
SW 75DriveVCC
(23,24,25)
Pb(Cb)/B
From Decoder