Pioneer SC-LX82 - BLOCK DIAGRAM for ANALOG VIDEO BLOCK (1;4)

29
SC-LX82
5
6 7 8
5
6 7 8
A
B
C
D
E
F
4.4 BLOCK DIAGRAM for ANALOG VIDEO BLOCK (1/4)
IC6514
IC6502
VIDEO AMP
IC6501
INH INH INH
INH
MAIN SEL1
MAIN SEL2
ZONE2 SEL1 ZONE3 SEL1
IC6511-1
VMUTE
51A
51B/51C
51B
MRSW
51C
*Common with S
*Common with S
IC6502
TC74HC4051AFT
TC74HC4053AFT
LA7109
TC74HC4051AFT TC74HC4051AFT
Z2VSW1 Z2VSW2
Z2VSW3
INPUT SELECTOR Composite/S Common
Composite/S Common
51A,51B,51C Z2VSW1,2,3
IC6503
Z3VSW1,2,3
AONCB
L 0 13 (No used)LL
H 1 14 DVR/VCR1LL
L 2 15 VIDEO1LH
AONCB
L 0X,0Y,0Z
1X,1Y,1Z
12,2,5 13,1,3
DVCLL
H THROUGHHH
H312DVDLH
L 4 1 TV/SATHL
H 5 5 iPod VIDEOHL
L 6 2 OSD(ZONE only)HH L 7 4 VIDEO2HH
VIDEO MUTE VMUTE L ACTIVE
Z3VSW1
DVC/THROUGH SELECTOR MRSW
Z3VSW2 Z3VSW3
COMPONENT Assy
DIGITAL MAIN Assy
DVD
TV/SAT
DVR1/VCR1
VIDEO2
MONITOR OUT DVR1/VCR1 OUT
VIDEO1
35
OSD IC PDC162A
Y/C MIX MM1511XN
iPod VIDEO
VVOUTMSEL1B VCOUTDVC
EMMA
VYOUTDVC
12 6
3
10 11
B A C
B A C
B A C
9 6 3
10 11
9
1
14 15
5 2 4
13 12
1
14 15
5 2 4
13
B A C
6 3
10 11
9
12
1
14 15
5 2 4
13
2
6
1 3 4
30
7
11 13 14 20 17
35+6dB
+6dB +6dB +6dB +6dB +6dB
33 31 25 23 21
15
4
14 10
9
11
1 5 3
12 13
Z OUT Assy
ZONE2 OUT ZONE3 OUT
Z2VSW1/Z2VSW2/Z2VSW3 Z3VSW1/Z3VSW2/Z3VSW3
IC6513 VIDEO AMP
+6dB12
11
3 4
2
13 10
5
+6dB
NJM2279
MUTE2 MUTE1
ENABLE ENABLE ENABLE ENABLE
SW1 SW2
COMPOSITE_S ASSY • COMPOSITE BLOCK
E
H
G
AC