Block Diagram -Tuner Unit (Video) Section - Sony XTL-W70 Service Manual
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Also See for XTL-W70:
- Operating instructions manual (84 pages) ,
- Service manual (48 pages) ,
- Installation manual (4 pages)
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XTL-W70
4-2. BLOCK DIAGRAM — TUNER UNIT (VIDEO) SECTION —
J10-1
VIDEO
NAVI IN
CN2 (1/2)
SONY NAVI
12
(NVX)
7
VBS
AUX(V)
15
R
14
G
13
B
10
SIRCS
2
BEEP
4
V2
AUDIO
V1
SECTION
(Page 17)
2
4
VIDEO
SWITCH
IC19
1
AUDIO
VIDEO
1
SECTION
(Page 17)
J5-1
INPUT 1
3
7
VIDEO
J6-1
INPUT 2
5
VIDEO
SYNC GENERATOR
IC31
6
XT
X3
BUF
C.
3
3.58MHz
Q90
SYNC
7
XT
RESET
1
2
AUDIO
SIMUL
SECTION
(Page 17)
• Signal path
:AUDIO
:VIDEO
BUFFER
Q78
VIDEO SWITCH
IC18 (1/2)
5
DL2
4
3
1
12
2
COMP
14
BUF
Q60
VR4
RGB
13
DECODER
INPUT
LEVEL
9
10
11
SYNC
BUF
6
SEP
Q42
IC17
BUF
Q40, 41
12
11
13
IC21 (2/3)
SIMULATION
BUFFER
Q53
SIRCS
4
CONTROL
1
IC23
16
RGB
RGB
9
CONTROL
8
6
CONTROL
3
IC21 (3/3)
IC22 (2/2)
X4
3.58MHz
RGB
DECODER
VR6
FO
2
4
3
1
BUF
Y
24
Q103
HUE
C. SYNC
SYNC
23
APC
VXO
IN
C
Y/C
CHROMA
32
ACC
DEM
MIX
AMP
DL
AMP
RGB DECODER
IC24
30
12
11
14
SYSTEM CONTROL
IC12 (2/2)
62
HUE
COL
61
7
59
V SYNC
H SYNC
8
58
13
H
46
NT/PAL
52
YS
43 V. MUTE
POWER
39 VD/RGB
ON/OFF
ON/OFF
51
Q10
45
DISPLAY OFF
64
BRT
38 SIMUL
SIRCS
SIRCS
11
Q77
BEEP GEN
37
1
BEEP
IC21 (1/3)
16
VIDEO
3
1
BUF
IC20
SYNC
15
BUF
RGB SWITCH
RGB SWITCH
Q61
IC25
IC26
R
5
4
5
4
BUF
R
10
3
Q64
G
9
B
8
G
12
14
12
14
BUF
13
Q63
B
2
BUF
15
2
15
1
Q62
C B A
C B A
9 10 11
9 10 11
3
AUDIO
AUDIO
SECTION
(Page 17)
(S +12V)
BEEP
6
1
CONTROL
7
2
IC22 (1/2)
J8-1
OUTPUT
VIDEO
CN3
12
VBS
15
R
14
G
13
B
MONITOR
3
OUT
AUDIO
16
NT/PAL
6
+B
+B 12V
8
POWER
SW
9
PICTURE
SW
5
BRIGHT
10
SIRCS
2
BEEP
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