CIRCUIT DIAGRAM - VFD BOARD
R38
R39
R40
560
560
560
LED15
LED9
SURROUND
LED7
TACT(CH-)
SOTP
8550
Q1
0
R32
R1
1K
0
CN1
R31
Q2
5P/2.0
M-R+
8550
SW1101
5
M-R-
4
p_open_R_SW
1
3
V-GND
2
2
p_close_R_SW
3
1
CN11
3P/2.0
SW1102
SW1002
p_close_L_SW
1
5
V-GND
2
4
p_open_L_SW
3
3
M-L-
2
3P/2.0
SW1001
M-L+
1
CN12
CN3
2P/2.5
0
R30
8550
Q3
2
CN2
Q4
1
2P/2.0
8550
R19
331
R29
2
CN4
0
1
+5V
R20
2P/2.0
331
C27
104p
10P/2.0
CN6
STADBY
11
REM
10
V-GND
9
p_stauts_2
8
p_stauts_1
7
p_stauts_0
6
p_motor_R
5
p_motor_L
4
DS-CLK
3
DS-DAT
2
DS-STB
1
7 - 1
MCD988VFD
VFD1
+6V
C18
R41
R60
R44
R42
R43
R45
0
560
560
560
560
560
560
R48
C17
0
0
R51
0
LED11
LED6
LED10
LED12
LED13
LED14
STEREO
VOL-
TACT(CH+)
PLAY
SOURCE
VOL+
D1
R99
330
R11
4148
10k
Q5
R59
C5
8050
47K
100UF/16V5x7
R12
1.5K
Q6
LED1
8050
2.2K
STADBY
R15
p_open_R
1K
R2
C1
R14
470p
R81
0
2.2k
Q7
8050
47K
2.2K
R63
R16
p_close_R
C51
C2
104p
R13
470p
2.2k
L1
10uh
A5V
Q8
1K
2.2k
8050
R10
1K
R18
p_close_L
R7
R8
1K
C4
470p
Q9
8050
1K
1k
R9
p_open_L
R74
p_motor_R
R17
C3
2.2k
470p
IC3
7805
+12v
p_motor_L
Vi Vo
p_open_L_SW
R55
10 1/4W
R75
1k
C24
C23
100uf/16v5x7
47uf/16v5x7
p_stauts_2
Q12
Q13
9015
9015
p_stauts_1
p_stauts_0
p_close_R
p_open_R
p_open_L
p_close_L
p_open_R_SW
p_close_R_SW
p_close_L_SW
R57
R61
10k
10k
A5V1
R50
0
S4
S3
S2
S1
40
26
S12
G5
S12/KS12
41
25
S11
G4
S11/KS11
42
24
S10
G3
S10/KS10
43
23
S9
G2
S9/KS9
44
22
S8
G1
S8/KS8
45
21
S7
Vdd
S7/KS7
IC1
46
20
S6
LED5
S6/KS6
uPD16311
47
19
S5
LED4(BBE)
S5/KS5
48
18
S4
LED3(POWER)
S4/KS4
49
17
S3
LED2(FANCT)
S3/KS3
50
16
S2
LED1(7507RST)
S2/KS2
51
15
S1
Vss
S1/KS1
52
14
A5V1
OSC
Vdd
k4
R64
10K
k3
k2
4.7K
R67
k1
R3
0
R95
R98
10K
R65
33k
33k
R96
R97
C52
33k
33k
47uf/16v5x7
R5
R6
R58
10K
10K
470
104p
Q11
Q10
C28
DZ3
9015
9015
3.3v
R4
0
10k
R73
R76
1k
R56
9015
10K
Q14
IC4
TM58PR11S18
R69
1k
C74
R66
1k
47uf/35v6x7
R70 10k
R71 10k
R72 10k
100uf/16v5x7
R62
10k
7 - 1
S1
C19
REMOTE
0
47
R54
C20
0
R53
C22
10
47uf/16v5x7
C21
104P
D4
4148
D5
4148
D6
4148
SW5 STADBY
SW1
SW9
D7 4148
KS1
SOURCE
PIAY
SW10
SW6 SOTP
SW2
VOL+
VOL-
SW7
SW3
SW11
TACT(CH+)
SURROUND
OPEN/CLOSE1
SW8
SW4
SW12
STEREO
OPEN/CLOSE2
TACT(CH-)
K4
K3
K2
K1
note
tolerance RES±10
：
CAP±20
0
R35
VF1
special parts nated beside parts
0
0
DZ1
R82
VF2
All parts comply with suppliey environment
0
R36
protect material licf regulate by green envionment management
104P
0
0
R84
DZ2
C73
R37
0
7P/2.0
CN7
C25
SW14
DISC1
SW13
DISC2
％
％，
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