Kenwood DDX7019 Service Manual page 37

AT
28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
ESD GND
8 10 14
14 7
6
7
0V
14
15
IC303
1
A
3.3V
3
2
C437
B
3
10
CLR
453
4
00
GND
12
0V
6
454
7
13
VGND
00
VGND
2 4 5 6 7
2
4
5
TP303
F
AL VGND
579
J501
SPDIF
80
AU
9 8 7 6 5 4 3
C362
0.01
BL GND
C361
0.1
+12.5V
8
DGND
HSY
SYNC
C359
0.1
Q309
H: GRAFIC
L: OTHERS
Q305
DGND
VGND
13
NOT
IC302
TP306
5.0V
5
1
VCC VCC1
NC
D301
2 4
0-5.0V
3
GND
R326
10K
TP301
R301
1K
R303
0
3.3V
8
VCC
R305
0-3.3V
2.2K
7
3.3V
RX/CX
IC304
0V 5 0-3.3V
1
6 VCC
NC
CX
5 0-3.3V 2 4
Q
3
0V
GND
HSYNC DELAY
L301
10uH
VCC1
VCC1
C335
0.01
R332
360 C334
Q301
R342
10
R339 0
0
TP304
COMPOSITE
SIGNAL
4
2 4 5
AV
2 1
L305
10uH
DGND
Q304
VCOM
IC301 SYNC
OUT MUTE
0/3.3V
TP305
0-3.3V 1
HSY IN
0-3.3V
0-4.5V 2
SYNC OUT
TP302
L: PAL
OUT
H: NTSC
0-3.3V 3
SYNC IN2
C301 1
4
SYNC IN1 1.5-2.7V
R304
5
HFIL OUT 2.6-4.4V
680
0V 6
H: SYNC IN2
SYNC SW
L: SYNC IN1
IC301
0V 7
GND11 CHROMA
R307
1.3V 8 GAMMA IC
F ADJ
18K
5.0V 9
VCC1
R308
47K 3.3V 10
PSAVE
11
H: OSD
SW2
0-3.3V
L: COMP or RGB1
12
H: RGB1
12 SW1
L: COMP
0/4.5V
R310
560
5
2
AW
DDX7019/7029/7029Y/7039
DNX7100/7200
Q306-308
RGB SIGNAL
Q307
Q308
Q306
8 10
VGND
13
C328
0.1
C323
120u6.3
+
5.0V
C324
0.1
36
VCC2
R322 0
35 0-5.0V
BOUT
R321 0
34 0-5.0V
GOUT
0-4.4V
33 0-5.0V R320 0
ROUT
32 0V
GND2
31
GND12
R319 C322
4.43MHz
680 8P
30
CO OUT P
X302
29
4.433619MHz VCO IN P ∗
A
2.4V
28
APC FIL
R316
3.58MHz
2.2K
27
NVCO OUT N
X301
26
3.579545MHz VCO IN N
25
TC1 0V
VGND
VCC1
X14-985x-xx (4/6)
AX
(X14-98
MODEL
C342 10 DDX70
B
DDX70
C341 10
DDX70
G
DDX70
C340 10
R
DDX70
DDX70
DNX71
DNX72
DDX80
DDX80
DDX80
DDX80
DDX80
DDX80
10
VGND
14 8 14
DGND
LED9V
10
Q203
KEY
C
C212
10
C217
0.1
C201
0.1
Q2
DGN
IC202
0V 3
NC
0V 4
VSS
V
C203
RS
0.1
B
G
R
SET STO
C210
C320
IC203
0.47
0V 1
A0
C319 0V 2
A1
5P
0V 3
A2
0V 4
GND
C211
0.01
IC20
1
A0
2
A1
3
A2
4
GND
ROM CO
NOT USED
37