Toshiba RD-87DTKF, Service Manual

Page: 35 / 75

1-11-3 E2J71BLV
TO DIGITAL
SIGNAL
PROCESS
BLOCK
DIAGRAM
(CN701)
TO SYSTEM CONTROL
BLOCK DIAGRAM
(VIDEO SIGNAL PROCESS) IC005
TU1701
(TUNER UNIT)
17 VIDEO OUT
CN1201
20 VIDEO-Y/CVBS-IN
22 VIDEO-C-IN
7 VIDEO-Y(I/P)-OUT
5 VIDEO-Pr/Cr-OUT
3 VIDEO-Pb/Cb-OUT
1 VIDEO-Y(I)-OUT
9 VIDEO-C-OUT
G G
Y C
VIDEO-Y
-OUT
VIDEO-Pb/Cb
-OUT
VIDEO-Pr/Cr
-OUT
JK1212
(FRONT)
S-VIDEO
IN
VIDEO-IN
JK1201
(FRONT)
DRIVER
VIDEO OUT2
VIDEO-G
VIDEO-B
VIDEO-R
19
JK1207
VIDEO
IN2 20
JK1207
VIDEO
IN1 20
JK1206
11
15
7
VIDEO OUT1
VIDEO-G
VIDEO-B
VIDEO-R
19
11
7
15
JK1206
JK1205
(REAR)
12
62
16
14
20
SW
SW
SW
SW
IIC
I/F
SW
SW
SW
GCL
SW
SW
AGC
AGC
LPF
100
7
1
9
22
48
50
49
30
61
59
51
52
53
55
57
46
44
45
DRIVER
DRIVER
DRIVER
40
39
DRIVER
DRIVER
DRIVER
DRIVER FBC
MUTE FBC
MUTE
MUTE
SW
+
+
65
64
SW
SW
LPF
Q1202
Q1853
BUFFER
BUFFER
Q1201
BUFFER
Q1204
BUFFER
38
REC VIDEO SIGNAL PB VIDEO SIGNAL
IC1641 (VPS)
VPS-V
SDA
SDA
DAVN-L
DAVN-L
SCL
SCL
6 42
43
14
7
16
CN1751
BOARD AV
W F 5
W F 4 W F 2
W F 3
W F 1
DTV MODULE
ASSEMBLY
DIF-OUT2
TU1751
(TUNER UNIT)
20
DIF-OUT1 21
DTV SIGNAL
PROCESS
26 DTV-Y
28 DTV-C
1 DIF-OUT1
2 DIF-OUT2
Video Block Diagram
NOTE: BOARD MEANS PRINTED CIRCUIT BOARD.