Onkyo DR-S2.2 Service Manual page 39

A
SCHEMATIC DIAGRAMS-6
VIDEO SECTION (UDD1N TYPE)
1
2
Y
CR
C
COM_Y
V
CB
VGND
PRGY
VGND
PRGCB
VGND
PRGCR
VGND
VGND
SQ
LTR
3
VSEL1
VSEL2
GND
GND
+6.6V
-6.6V
+12V
SW+6V
BGND
BGND
+5.6V
VCTLA
VCTLB
4
5
B
CV
C
Y
COM_Y
R1153 0 R1148 0
CR
R1155 0 R1151 0
CB
R1173 R1171
0 0
C1314 68P
C1313 68P
C1312 68P
C1311 22P
C1310 22P
C1309 22P
R1318 22K
R1321 22K
R1324 22K
R1009 0
R1069 0
R1001 0 SQUEEZE
R1002 0 LETTER
VSEL2
R1004 0
6.6
VCTLA
VCTLB
-6.6
5.9
R1005 0
R1006 0
R1089
22K
C1051
100/16
C1052
100/16
Q1304 TC74HC4053AF
1 Y1 VCC 16
2 Y0 Y 15
3 Z1 X 14
4 Z X1 13
COM_Y/PRGY
5 Z0 X0 12
6 EN A 11
7 VEE B 10
CB/PRGCB
8 GND C 9
CR/PRGCR
R1149 0
Q1308
RN2403
R1301
2.2K
Q1309
RN1404
R1106 0
Page 39
C
NAVD-7439
U13 VIDEO PC BOARD
C1001
100/16
C1004
104
C1005
100/16
C1007
100/16
R1030
C1009
0
100/16
C1011
100/16
L1013
NCH1490
R1137 0
VCTLA+B
VCTLB
VCTLA
D
Q1001
1 VCC1
2 COPS.IN
3 SQUE.SW
4 LTER.SW
5 MUT1.SW
6 C.IN
7 GND1
8 Y1.IN
9 YC_MIX.SW
R1145 0
10 SIG_IN.SW
11 Y2.IN
12 MUT2.SW
13 LPF.SW
14 CB.IN
15 AMP.SW2
16 CR.IN
17 GND2
18 REG
R1087 75
R1083 75
R1079 75
R1305
0
R1141 R1159 R1157
0 0 0
C1045
104
C1044
104
C1043
470
R1134 0 R1085 75
R1156 0