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E - BOARD
H - BOARD
IC3401
H3
E63
VIDEO
SWITCHING
3
1
4
5
Q3401
PROCESSOR
SWITCH
MATRIX
N - BOARD
N1
E19
IC1071
4
4
REMOTE
CONTROL
RECEIVER
8
8
D1071
CONTROL BLOCK DIAGRAM
SCL
IC2101
AUDIO
SDA 1
8
SCL 1
7
48
VPROT
71
Q451
LOCAL
KEYSCAN
KEYS
60
ON/OFF
52
Q853
Q854
R.C.
74
Q1051
L.E.D.
81
Q1052
PROT 1
75
Q851
Q856
TUNER
POS/NEG
SDA
L/L'
49
83
82
IC1101
SCL 2
MICRO
50
PROCESSOR
SDA 2
51
SLOW 2
59
OUT
72
Q1106
IN
73
Q1104
55
58
IC601
4
VIDEO
PROCESSOR
3
IC1103
6
EAROM
5
Q1105
Q1107
Q3006
Q3007
SERVICE / TEST
E18
6
SDA 1
5
SCL 1
4
SDA 2
3
SCL 2
AV2
8
SLOW 2
10
AV LINK
AV1
8
SLOW 1
10
SCL 1
12
SDA 1
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