Onkyo TX-L55 Service Manual page 10

A
SCHEMATIC DIAGRAM 7
VIDEO SECTION
NAVD-8344
1
U6
6
5
4
3
2
1
7 C2301
104Z
6
2
5
4
3
2
1
7 C2302
104Z
6
5
4
3
3
2
1
C2303
7
104Z
4
B
COAX
-5VVD
D22011SS355
R2750
C2202 102K
RL2201 75
12 1 C2750
3 101J
5 4
10
8 9
RL2202
12 1
3
R2752
5 4
220K
10
8 9
RN2402
Q2205
+5VVD
-5VVD
Q2206
RN2402
D2202 1SS355
C2206 100/6.3
C2231 102K
RL2203
1 12
3
4 5 16
10
R2204
9 8 15
68
14
R2203
RL2204 13
1 12
68
3 12
4 5
R2202
10 11
9 8 68
10
C
OPT 1 OPT 2
L2701
022K
R2722 R2723 R2724 R2725
150K 100K 150K 100K
R2753
NC
R2754 10K
C2752 080D
L2702
022K
74HCU04F
-5VVD
C2208 100/6.3
+ +
C2207 104Z C2209 104Z
R2210
10K
C2205
R2207
1
+
+VCC VIN1+
3.3K
10/16
2
VOUT1 NFB1
R2209
3
GND MUTE1
10K
C2204
R2206
4
+
VOUT2 VIN2+
1K
10/16
5
DRCTL NFB2
R2208
6
VOUT3 -VCC1
10K
R2205 C2203
7
+
MUTE2 VIN3+
820
10/16
9 8
-VCC2 NFB3
D
TO NADG-8338
+5VDSP
DIN3
GNDD
DIN2
DIN1
R2248 10K
R2247 10K
R2242 NC
R2243 75
C2212
223J
C2210 47/16
+
C2211 104Z
15
SCP R-Y/Cr
16
DIGGND B-Y/Cb
17
CP/HPIN SECAN_CONT
18
SYNCVcc 1HDL_CONT
19 Q2203
SWVcc
20 TA1270BF
Y/G UV/CbCrSW
21
B-Y/B CVcc
22
R-Y/R DACVcc
23
ADRS_SW YIN
24
SWGND DAC1
R2245 100
R2246 100
TX-LR552
E
-5VVD +5VVD
48
47
46
45
44
fsc
43
+5VVD
42
41
40
39