Add-In Type 1 - Sony LLC-8000A Service Manual

6-2. Add-in Type 1

Even when the LU-800B/801B (ASW-58 board) is installed, the monitor signal from each student booth
passes through the switch on the LC-800B/801B, then is returned to the IF-645A board unless a pair or a
conference is formed on the MLS-8000A (GUI).
AU-240
BOARD(1/3)
-10dBs
MTC1
LINE IN 1
1k
LINE OUT 1
1k
MTC2
LINE IN 2
1k
LINE OUT 2
1k
MTC3
LINE IN 3
1k
LINE OUT 3
1k
MTC4
LINE IN 4
10k
LINE OUT 4
-10dBs
AUX 1L
AUX 1R
AUX 2L
AUX 2R
AUX 3L
AUX 3R
AUX 4L
AUX 4R
LED-288 BOARD(1/2)
39k
1.2k
H.S -23.8dBs
MIC
-54 IC15
560 39
EXT
MIC
-60
AU-240 BOARD(2/3)
2
4
1
VID
5
IC5 3
12
14
13
VIDEO
2
1 4
1
5
IC4 3
VIDEO 12
14
2 13
22k
22k
22k
IC41
22k -10dBs
22k
1L
10k
IC1
22k
1R
22k
10k
IC1
22k 2L
22k
2R
10k
IC2
22k
22k
10k
IC2
22k 3L
22k
3R
10k
IC3
22k
22k
10k
IC3
22k 4L
22k
4R
1k
IC4
22k
22k
10k 1k
IC4
-3.8dBs
P.INCOM
2 15
IC55
PGM MONI
2.2k
2 1
2.2k
3 4
2.2k
11 10
2.2k
12 13
IC27
PGM MONI
2.2k
2 1
2.2k
3 4
2.2k
11 10
2.2k
12 13
IC26
47k
22k
4.7k
IC55
22k
-3.8dBs
12 14
IC15
IC42 INCOM
20k-A
2.2k
2.2k
STUDMONI1 ~ 16
2.2k
STUDMONI17 ~ 32
IC40
2.2k
1 15
STUDMONI33 ~ 48
IC7
MONITOR
4
2.2k
IC56
STUDMONI49 ~ 64
TV
MUTE
2.2k
STUDMONI65 ~ 80
CN15
2.2k
PGM IN
1
IC8
ROOM
PGM 1
TV 3
2.2k
INCOM IN
IC8 5
4 ROOM
TV INCOM OUT
7
2.2k
SMONI IN
9
CPU-240 BOARD
22k
MTC COPY
3
4 -10dBs
5
IC41
IC56
-10dBs
1k
-10dBs
IC46
1k 1k
22k
4
IC
2.2k 1k
IC37
22k
MEMORY
2.2k 2.2k 2.2k 1k
IC33
VCA
2.2k 2.2k
ROOM SP
-10dBs 2.2k
1
2.2k
IC35
IC34
PB
IC56
13 14
2.2k
2.2k 2.2k
2.2k
2.2k 2.2k
3
2.2k
-10dBs 2.2k
IC35
IC34
IC33
VCA
-10dBs
IC32
22k 22k
VCA
22k
IC37
100k
CALL
TONE
33k
PGM INC
4 5
IC57
100k
22k
INCOM INC
IC36
15 2
IC57
SMONI INC
14 12
IC57
6-4 6-4
1k 10k
22k
22k
IC38
22k
2 1
MIC MIX IC29
1k 10k
2 1
IC MEM PB IC28
22k 1k 10k
22k
22k
3 4
MIC MIX IC38
IC29
1k 10k
3 4
IC MEM PB
IC28
22k 1k 10k
22k
22k
11 10
MIC MIX
IC39
IC29
1k 10k
11 10
IC MEM PB
IC28
1k 10k
22k
MIC MIX 22k
12 13
IC39
IC29
1k 22k
IC MEM PB
12 13
IC28
10k
2.2k
CONF
3
2.2k 2.2k
IC55 IC40
2.2k
PS-459 BOARD(1/2) AU-240 BOARD(3/3)
IC1
15
µPC1238V
ROOM SP L
RY1(2/3)
IC54
12k
1k
IC2
4
µPC1238V
ROOM SP R
RY1(3/3)
12k
1k
LINE OUT L
LINE OUT R
PS-459 BOARD
LED-288
(2/2) BOARD(2/2)
MONI SP
IC47
2.2k NJM3868M
13 14
PA
IC54 RY2(2/3)
4.7k
5.6k
3.9k
22
HS
HEAD PHONE
IC36 RY2(3/3)
to METER LED-288 BOARD
MONI
SP
32Ω
-19dBs
LLC-8000A