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6-1.
BLOCK DIAGRAM – TUNER/VIDEO INPUT Section –
FM/AM
TUNER UNIT
L CH
10
FM 75Ω
R CH
12
R-CH
FM
COAXIAL
AM
AM
2 3
1 13
15
14 4
DATA, CLK
B
(Page 17)
SECTION 6
DIAGRAMS
VIDEO SELECT
IC308
J298 (1/2)
VIDEO 3
V3
7
INPUT
VIDEO
J305
TV
TV/SAT IN VIDEO
3
LD
DVD/LD IN VIDEO
5
V2. OUT
OUT VIDEO
11
VIDEO 2
J304
V2. IN
IN VIDEO
9
V1. OUT
OUT VIDEO
15
VIDEO 1
V1. IN
IN VIDEO
13
Y SWITCH
IC752
V3
7
V2. IN
9
TV
3
J750 (1/2)
Y
TV/SAT
LD
5
S-VIDEO IN
C
13
V1. IN
C SWITCH
J750 (2/2)
Y
IC750
DVD/LD
V3
S-VIDEO IN
7
V2. IN
C
9
TV
3
J752 (1/2)
Y
LD
5
VIDEO 1
S-VIDEO IN
C
13
V1. IN
VIDEO BUFFER
J751
IC305
Y
MONITOR
YOUT
YIN
S-VIDEO OUT
8
2
C
COUT
CIN
6
BUFFER
4
J302
VOUT
VIN
7
3
MONITOR
OUT VIDEO
CT303
OSD
SW4
6
SW3
4
LEVEL
SHIFT
SW2
IC312
10
SW1
14
M. OUT
1
D303
SW5
2
D304
V1.
OUT
15
SW2
Y
J752 (2/2)
10
SW3
4
VIDEO 1
SW1
S-VIDEO OUT
14
SW4
C
6
M.
OUT
1
SW5
2
D751
V1.
OUT
15
SW2
10
SW3
4
SW1
14
SW4
6
M.
OUT
1
SW5
2
D750
OSD DRIVER
IC307
BUFFER
YOUT
YIN
27
1
Q304,
Q305
COUT
CIN
ANALOG
26
2
SWITCH
VOUT
VIN
25
3
SCLK
22
SERIAL
15 EXD
SIN
LEVEL SHIFT
23
INPUT
IC310
CS
CONTROL
24
16 XD
CLOCK
IC304
FL302
8
9
10
11
EXS
8
L. P. F.
X302
14MHz
13
13
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER
: VIDEO IN
TU L OUT
A
(Page 14)
32 VIDEO SW4
31 VIDEO SW3
30 VIDEO SW2
29 VIDEO SW1
SYSTEM
CONTROLLER
IC1703
(1/6)
105
CLK
106
DATA
107
LAT
SLAT
40 TUNER LAT
MUTING
20 TUNER MUTE
STEREO
25 TUNER STEREO
TUNED
19 TUNER AUTO STOP
DO
23 TUNER DATA IN
CT302
OSD
STR-DE1075
Ver 1.2
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