Panasonic TX-28MD4 Service Manual page 13

E - BOARD
H - BOARD
IC3401
H3 E63
VIDEO
SWITCHING
3 1
5 4
Q3401
IC1051
REMOTE
CONTROL
RECEIVER
CONTROL BLOCK DIAGRAM
IC2101
AUDIO
SDA 1
PROCESSOR
8
SCL 1
7
VPROT
71
Q451
LOCAL
KEYSCAN
KEYS
60
SWITCH
MATRIX
ON/OFF
52
Q853 Q854
R.C.
74
Q1051
L.E.D.
81
D1051 Q1052
PROT 1
75
Q851 Q856
TUNER
SCL SDA
48 49
IC1101
SCL 2
MICRO
50
PROCESSOR
SDA 2
51
SLOW 2
59
OUT
72
IN
73
55 58
IC601
4
VIDEO
PROCESSOR
3
IC1103
6
EAROM
5
Q1106
Q1104 Q1105 Q1107
Q3006
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
Q3007