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1
AVX-7300
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
A
A
CONTROL PCB
CN201
R
1
G
2
B
3
RET H
9
RET V
10
RGB
CONNECTOR
Q25
BUP
Q853
B
VDD
SP-
16
SP+
13
PWRVI
17
CN202
3
SPEAKER
2
C
D
10
1
2
IC 604
M62354GP
Q604
75
AVREF0
VDD
BL+B
6
adpw
40
BLTPW
Q13
ILM+B
BUP
53
Q11
ILMPW
Q24
Q23
BUP
35
pwsave
Q26
SWVDD
39
Q27
SWVDD
Q203
34
pwsens
Q33
V+9V
BUP
Q34
BUP
41
VPW
55
SYSPW-M
70
X601
4.19MHz
2
3
7
1
4
IC 302
TC74HC123AF
5
3
TC7W34FU
5
2
DIM
NJM2903V
IC 602
TC74VHCT08AFT
PE5230A
MONITOR
CONTROL
44
RGB/com
15
OSD
45
BZ601
BEEP_M
76
LSENS
61
VSYNC
RESET
IC 603
60
1
reset
S-80734ANDYI
59
AVON
54
PBSENS
isens 37
asens 65
bsens 66
Q404
X1
X2
KEY3
69
80
3
4
CN101
IC 301
HSY
9
3
1
IC 103
VSY
6
4
TC74VHCT08AFT
IC 101
DIMMER
1
OSDCK/OSDCS/OSDDT
IC 605
KEY0/KEY1/KEY2
RGB/COM
OSD
IC 307
V/SYNC
1
7
NJM2235V
EW,ES
IC 303
7
1
BA7071F
CN402
2
VDD
IC 309
COMP
7
1
NJM2235V
REMIN
3
Q603
LED _V
AV_ON
Q403
CN401
CN651
Q653
RGLED-B
REMIN
reset
4
C
RELAY UNIT
CN1103
R
R
29
20
G
G
30
21
B
B
31
22
HSY
27
24
VSY
26
25
DIM
45
6
KEY0/KEY1/KEY2
Q1101
VSEL
15
36
OSD
21
30
VIDEO
33
18
46
5
VBU,MTRPW,MTR,DEG
2
AV BUS
8
CONNECTOR
6
5
P.B.
6
ILM
3
1K(1/2W)
GND
2
B.U.
1
ACC
5
1K(1/2W)
12
11
E
GR
CN1901
3
3
10
10
Q851
TS
11
11
S
6
6
R
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