Text preview for : KBEZY-7.PDF part of Advance Acoustic EZY-7 Schematics
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B
C
A
D
+5V
+5V1
+5V1
47U
C300
10J
P49-RDS-LED
R323
10KJ
P50-MONO/STEREO
R324
1
1
C301
G1
G2
G3
G4
CL104J
44
43
42
41
40
39
38
37
36
35
34
1 33
SW1 GRID5 G5
OSC
VSS
LED1
LED2
LED3
LED4
VDD
GRID1
GRID2
GRID3
GRID4
2 32
SW2 GRID6 G6
3 31
SW3 SEG16/GRID7 G7
4 30
SW4 SEG15/GRID8 S15
5 29
P1.7-VFD-DOUT
DOUT SEG14/GRID9 S14
6 PT6312 28
P2.5-VFD-DIN
IC301
DIN SEG13/GRID10 S13
7 27
PT6312
-28V
VSS VEE
8 26
P2.8-VFD-CLK
CLK SEG12/GRID11 S12
9 25
P2.7-VFD-CE
STB SEG11 S11
10 24
KEY1 SEG10 S10
KEY3
KEY4
VDD
SEG1/KS1
SEG2/KS2
SEG3/KS3
SEG4/KS4
SEG5/KS5
SEG6/KS6
SEG7
SEG8
11 23
KEY2 SEG9 S9
12
13
14
15
16
17
18
19
20
21
22
2
2
+5V1
+
MENU
PRESET
TUNING
-
+
D304
1N4148
ENTER
TUNING
-
D305
MODE
1N4148
MEMD
FM/AM
PT/PTY/TP
D306
SCAN
1N4148
PRESET
D307
1N4148
S1
S2
S3
S4
S5
S6
S7
S8
10KJ
10KJ
10KJ
10KJ
R328
R327
R326
R325
3
3
F
-28V
F
S1 P1
R331
5K1J
S2 P2
P50-MONO/STEREO
S3 P3
S4 P4
430J
R329
S5 P5
5V1
S6 P6
DZ300
2.2/0.5W
S7 P7
3B4UC
LED302B
S8 P8
P9 ~2.3V
S9 R332
P10 GND4
S10
P11 ~2.3V
S11 2.2/0.5W
S12 P12 R333
S13 P13
KBEZY-7V01.SCH
S14 P14
GTD-717A
S15 P15
MONO/STEREO
P51-RDS-LED G7 7G
VFD300
G6 6G
GTD-717A
4
4
430J
G5
R330
5G
G4 4G
G3 3G
3B4UC
RDS
LED302B
G2 2G
G1 1G
F
F
B
C
A
D