
STR-DA1000ES/DB790
19
19
6-1.
BLOCK DIAGRAM – TUNER/VIDEO Section –
SECTION 6
DIAGRAMS
• SIGNAL PATH
: TUNER
DATA,
CLK
FM
AM
8
L CH
10
R CH
13
FM SIG OUT
14
RDS-INT
15
RDS-DATA
2
ST-DO
4
CE
3 ST-DI
1 CLK
7
STEREO
11
MUTE
6
TUNED
(DB790: AEP, UK)
TU301
TUNER UNIT
SYSTEM CONTROLLER
IC1601 (1/6)
TUNER-L
FM 75
Ω
COAXIAL
AM
R-CH
: VIDEO
ANTENNA
SW4
SW3
SW2
SW1
D302
D301
D851
D850
J1091 (1/2)
VIDEO 3
INPUT
VIDEO
TV/SAT IN
DVD IN
VIDEO 2 IN
VIDEO 2 OUT
J305
J304
VIDEO
VIDEO
VIDEO 1 IN
VIDEO 1 OUT
J1092
J852 (2/2)
J850 (2/2)
J850 (1/2)
J852 (1/2)
C
Y
C
Y
C
Y
C
Y
C
Y
J302
VIDEO SELECTOR
IC301
Y SWITCH
IC851
C SWITCH
IC850
VIDEO 3
INPUT
S-VIDEO
S-VIDEO
TV/SAT IN
S-VIDEO
DVD IN
S-VIDEO
VIDEO 1 IN
VIDEO
MONITOR OUT
S-VIDEO
VIDEO 1 OUT
SW4
SW1
SW2
SW3
P
B
/C
B
/B-Y
P
R
/C
R
/R-Y
P
B
/C
B
/B-Y
P
R
/C
R
/R-Y
J351 (1/2)
Y
Y
J351(2/2)
Y
COMPONENT
VIDEO
TV/SAT IN
COMPONENT
VIDEO
DVD IN
P
B
/C
B
/B-Y
P
R
/C
R
/R-Y
COMPONENT
VIDEO
MONITOR OUT
C
Y
J851
S-VIDEO
MONITOR OUT
RY850
-2
-1
VIDEO BUFFER
Q372
X370
7.5795MHz
C SYNC BUFFER
Q370
(DB790)
(DA1000ES)
RELAY
DRIVE
Q850, 851
Y SYNC BUFFER
Q371
RY352
-2
-1
RY354
RELAY
DRIVE
Q352
RY351
-2
-1
RY353
RELAY
DRIVE
Q351
DATA
CLK
(DA1000ES)
• R-CH is omitted due to same as L-CH.
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299