Black Box IC515C Service Manual Page 27

  • Download
  • Add to my manuals
  • Print
  • Page
    / 124
  • Table of contents
  • TROUBLESHOOTING
  • BOOKMARKS
  • Rated. / 5. Based on customer reviews
Page view 26
24
6. RA-3/3A Video Process Troubleshooting: T & S Models
15
14
4
5
3
12
2
11
10
9
Q1920
V BUFFER
Q1914
Y BUFFER
13
1
FROM J1106
COMPONENT
INPUT
PB
PR
SY OUT 1
FROM
IC1101/56
DVD SW 2
FROM
IC1904/3
VOUT
UOUT
YOUT
DVD
SW
DV IN
DY
IN
DU IN
V IN
U IN
Y IN
SUB Y
TO
IC602
SUB V CHIP
TO IC1901/6
YUV SW.
IC1905 PIP PROCESSOR SDA9288
FIGURE 6-3 - PICTURE IN PICTURE (S MODELS)
6.3TVP14
IC1903
YUV SWITCH
BU4053
Q1906
SUB C BUFFER
SC OUT 1
FROM
IC1101/58
Q1916
Y
BUFFER
Y
V
Q1917
Y AMP
Q1918
BUFFER
SDA
SCL
28
30
32
21
12
8
9
7
22
4
3
YOUT
UOUT
VOUT
SDA
SCL
Y IN
U IN
V IN
X IN
XQ
SEL
Q1914
BUFFER
Q1905
BUFFER
Q1907
BUFFER
Q1903
BUFFER
X1902
3.58MHz
X1901
503.5kHz
11
12
13
CVBS/Y IN
CIN
RY IN
RU IN
RV IN
RY OUT
RU OUT
RV OUT
XNTSC
APC
CERA
SDA
SCL
VSYNC
H SYNC
VOUT
UOUT
YOUT
IC1902
SUB
DECODER
CXA2019
20
19
18
38
29
26
1
8
7
6
32
39
34
37
36
SDA
SCL
TO IC1901/1
TO IC1901/2
U
TO IC1901/3
Q1904
SUB Y BUFFER
Q1908
BUFFER
5/22/02
7
1
3
1
D736
1
FROM
FOCUS
BLOCK
C732
R732
G2
SG731
Q733
R741
R742
L731
R736
R739
+200V
D732
C735
CN731
FROM
A BD.
CN204
R736
C734
R737
R746
Q734
R747
D735
R743
CN732
IkR
IkB
9V
CN737
TO FOCUS
BLOCK
C737
R744
CN736
CN735
CN734
TO
G BOARD
CN503
FIGURE 6-4 - CRT DRIVE (CG)
1
R733
Q731
R735
R753
CLK
C733
D731
Q722
D733 D734
CN733
G
IK
TO CR
BOARD
CN702
TO CB
BOARD
CN762
SG732
4
11
10
9
8
7
6
5
1
F
G1
G2
G1
k
H
H
G1
G1
CG BOARD
7
6
9
9
7
6
6
7
6.4TVP14 5/22/02
Page view 26
1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 123 124

Comments to this Manuals

No comments