Schematic Diagram - Video Section - Sony HCD-C770 Service Manual

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3 7 6 3 1 5 1 5 0
6-30. SCHEMATIC DIAGRAM – VIDEO Section – •
C248
C252
0.1
OPTICAL RECEIVER 6.3V
IC204
TORX179L
OPTICAL
DIGITAL IN
VIDEO 2
VIDEO
R267
75
J202
2P
MONITOR
OUT R269
75
R270
75
S VIDEO
R259
75
T E
L 1 3 9 4 2 2 9 6 5 1 3
R268
75
R273
75
R278
10k
w w w
.
See page 74 for IC Block Diagrams.
C202
220
6.3V
22
L202
10µH
L209
10µH
VIDEO AMP, 75Ω DRIVER
C284
C285
IC208 100
65 0.1
MM1568 6.3V
64
C288
0.1
C276
10 6.3V
C292 220 6.3V
C293 100 4.0V
C294
0.1
C295 100 6.3V
C296 470 4V
C277
22 6.3V
63
C279
0.01
C297 220 6.3V
C298 100 4V
62
C299 22 6.3V
C300 100 6.3V
61
C301 22 6.3V
C302 100 6.3V
C291
10
6.3V
Q210
DTA114EKA
Q210,214
WIDE SWITCH
Q214
R286
DTC144EKA
10k
x a o
y
i
http://www.xiaoyu163.com
8
75Ω DRIVER
IC206
C218
MM1510
47
16V
SAG PS
OUT GND
VCC IN
C278
10
6.3V
C281
0.1
C282
0.1
VIDEO
SELECTOR
IC209
NJM2285V
Q Q
3 7 6 3
C290 C289
0.1 10
6.3V
C275
0.1
C280
1.0
50V
C283 1.0 50V
C286 0.1
u 1 6 3
.
59 59
http://www.xiaoyu163.com
2 4
9 9 8
L207
10µH
R256
10k
VIDEO INPUT
SELECTOR
IC207
NJM2235V
FB204
C267
100
6.3V
1 5 1 5 0 8 9 2 4
C287 C272
0.1 0.1
C265
10
6.3V
C274
10 6.3V
R266 R265
10k 10k
m
c o
HCD-C770/C990
2
9 9
CN207
11P
D-IN
GND
AVO
AV1
V2-IN
AV2
V1-IN
CR
(Page 57)
V-OUT
CB
Y
CN203
14P
NC
I/P SW
FB205
CR
GND
CB
D5V
FB206
D5V
GND
9 8 2 9 9
FB203
VIDEOY
(Page 46)
GND
FB202
VIDEOC
GND
FB201
VIDEOV
VS/WIDE