VITEK VT-3634, VT-3620 SCHEMATIC MAIN USB
10UF
2K2
R752
220
C703
1UF
C705
1UF
C718
1UF
1UF
F/L-
3
8
13
AUX-L
AUX G
AUX-R
OPTIONAL
C702
3U3
C707
EC713
1UF
R/R+NCR/R-
4
7
14
Q705
9014C
Q704
Q707
22
11
12
15
14
13
4
9014C
9014C
Q706
9014C
EC702
47UF
ANT
4
S GND
NC
5
6
15
D
EC714
R736
4U7
3K3
R735
EC715
3K3
4U7
EC716
R756
4U7
3K3
R755
3K3
EC717
4U7
C701
EC701
2200UF
P GND
FUSE
104
20
9
8
7
5
2
3
17
18
19
21
24
23
16
C710
474
R/L+
6
16
20PIN SOCKET
GND
R/L-
ACCIN
F LINE R
F LIME L
9
8
7
18
19
17
6
1
IC701
TDA7384
10
BIN
C
B
R LINE R
R LINE L
10
20
A
R-IN
47UF
B
A
X3
X0
X
X1
X2
VDD
R507
C403 272M
EC40710UF
100
EC503
10uF
EC904
A B=1
(AUX)
A B=0
(CDC)
IC801
C802
R-TRE
47UF
CD4052
R914
22K
4u7
GND
VEE
INH
L-TRE
EC40610UF
FL
C501
104
EC502
100UF
R508
1K
EC506
4U7
EC906
R920
10K
7
8
6
5
Y1
4
Y3
3
Y
2
Y2
1
Y0
R804
R805
0
10K
272M
C402
GND
VDD
D-GND
SDA
R403
4K7
R501
Q501
9014C
R509
470
R510
2K2
D501 IN4148
Q109
ZD101
5V6
L
3
NC
5
CON1
CDC CONN.
R915
OPTIONAL
321
22uF
1234567891011121314
CREF
SCL
47
EC505
100UF
R526
100K
9013G
22
EC402
R402
4K7
Q504
EC106
47UF
R183
560 1/6W
D147
IN4148
8
2
EC401
100UF
Sub-W
R521
R803
220
C124
102
Q301
9014C
R301
1K
R302
1K2
D
Q302
9014C
R305
12K
R307
X
R315
100
R316
1K
R319 470
R320 1K
C
CN101
VCC 5V
VCC 8V
VCC 3V3
R-CH
AGND
L-CH
GND
SCOR
3-DATAO
3 DATAI
MP3MLT
LIMITSW
B
LD S
EJ S
CLSW
XRST
MP3CLK
MLT
MDATA
MCLK
OPMTR
CLMTR
MCS
DSP S
SSP S
DECINT
S/P CO N
5IF RST
U_RDY
U_DTAI
U_DTAO
U_CLK
USB_IN
33PCD
A
22PIN
C308
104
CN102
KEY 0
LAMP+6V
KB+5V
LAMPGND
USB G
INH
DO
CLK
CE
CCW
CW
KEY 1
USB+5V
REMO
IC/SWGND
UDM
UDP
SD DET
SDCMD
SDDAT0
SDCLK
SDDAT3
EC302
47UF
Q309
9014C
R323
1K
EC307
2U2
R324
8K2
1
2
CD +8V
VCC 3V3
3
CDR CH
4
5
6
CDLCH
7
0
8
MCOR
1K
MP3DO
9
10
MP3DI
0
11
MP3MLT
100
12
LMTSW
13
LD S
14
EJ S
15
CLSW
16
XRST
17
MP3CLK
1K
18
100
MLT
19
MDATA
100
20
MCLK
100
21
OPMTR
22
CLMTR
23
MCS
1K
24
DSP S
R121
25
SSP S
26
DET
27
DN5
28
DN7
29
USB RDY
30
USB DI
31
USB DO
32
USB CLK
USB IN
33
C114
R105
103
100K
1
2
3
4
5
1K
R152
6
R153
7
R154
8
R155
9
10
R151
100
11
12
13
R158
14
100
15
16
17
18
19
20
21
22
CN201 TUNER0 08
S METER
RA-R
RA-L
RDS RFIFAF
R156
IN4148
ZD301
10K
X
KEY0
LAMP+
KEY1
REMO
SD
D301
2V0
R312
1K
R304
10K
Q303
R306
9015c
10K
Q304
9015c
R309
47K
R308
10K
EC301
R317
150
0.47UF
R318 1K5
Q308
9014C
R322
2K2
C305
104
Q311
R339
EQ1
1K
C307
9014C
223
AGC
AF MUTE
C110
R131
10K
104
R132
1K
Q102
R135
EQ0
CD P
EQ1
1K
9014C
AGC
A/L
R113
C109
X
FM BAND
104
AF MUTE
MO/ST
C123
LOC
104
C130
103
CCW
CW
CN03
8P
R DATA
R CLK
REMO
CW
CD P
MCOR
C106
SD IN
102
C101
104
R106
1M
R157
1M
EC102
100UF
123456789
VR301
Q310
9014C
Q101
9015C
R101
R102
R103
R104
R114
R107
R108
R109
R120
C133
103
470K
LCD INH
330
LCD DO
1K
LCD CLK
1K
LCD CE
8
7
6
5
4
3
2
1
AM VT
RA+
AGC
GND
AMOSC
MONO
IN4148
C302
9014C
R140
AM/LW
111213
14
10
Q306
9014C
Q305
9014c
R311
10K
D302
103
R314
10K
FM BAND
FMOSC
A/L
AMOSC
LOC
AM+
MO/ST
EC303
4u7
R310
3K3
R DATA
R CLK
SD IN
AM+
AMOSC
Q307
R321
100
R313
22K
EQ0
C306
FMOSC
R325
1K
103
R126
R170
Q103
100K
9014C
C111
104
R137
100K
R138
4K7
R118
100
R139
33K
4K7
R141
2K2
R142
1K
CDC DA
R145
470
OPTIONAL
IC104 78R05
B+14V
R204
IN
OUT
IN4001
EC110
47UF
C131
x
1 2 3 4
C115
220P
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
CON
GND
4321
D152
IN4001
L101
1UH
4K7
FMIF
VDDPLL
EQ0
EQ1
VDD
AGC
BAND1
BAND2
AF-MUTE
ST/MONO
STIN
LOC
RDS DATA
RDS CLK
REMO
CW
CDP S/W
DECINT
SCOR
CDC DATA
C102
104
DN6
R125
80
AMIF
CDC ON
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CDC ON
VCC3V3
Q105
882
ZD104
3V9
ZD303
10V
10K
C116
102
VSSPLL
KIN0
KEY1
KEY0
AM LOC
AM+
16 17 18
15
C204
C205
560p
C207
104
C206
EC201 2U2
R331
100K
Q318
9013S
R303
220 1/6W
EC306
100UF
CPU +5V
FMVOC
AMVOC
VDDPLL
EQIN R
KIN 1
EQIN
EC109
47UF
FM+
FM LOC
GND
19 20 21 22
330p
25p
R332
220
Q312
9018S
C118
103
NCNCNC
VDD
AVDD
LCD CE
USB IN
CL/OP SWNCSDIN
101112131415161718192021222324252627282930
C103
104
LCD CE
USB IN
CD+8V
REMO
R161
C107
102
560 1/4W
ZD106
GND
FM VT
FM OSC
IC201 BU1923
CMPT1T2
8 9
VSS3
7
10
VSS1
VSS2
6
11
VDD1
VDD2
5
12
MUX
XI
4
13
VREF
XO
3
14
RDATA
NC
2
15
QUAI
RCLK
1
16
EQIN
CPU +5V
DSCN4
D128
EN AUX KEY
DSCN3
D122
DIS 2COR
DSCN2
D115
DIS EON
DSCN1
D109
DIS RDS
DSCN0
D101
AREA1
EURUSA
SW1
E/USW
NC
NCNCNC
NC
NC
LCD INH
LCD DO
LCD CLK
BEEP
LCD CLK
LCD DO
LCD INH
LCD DO
LCD RST
BUZ
6V2
6V2
6V2
ZD108
ZD107
R116
100K
MULTI
DIN0
DIN7
VSS
VDD
LCD CE
6V2
ZD109
C209
104
C309
104
C208
104
DN1
D129
EN WER
D123
ON/OFF
D102
AREA2
DIN5
DIN6
DIN7/51F_RST
DIN6/USB_RST
DIN5/SP/CONTRO
IC101
DSC 790NRF
XIN
XOUT
9MHz
XT101
100K
C104
22P
LCD CLK
6V2
ZD110
Q314
9012G
R333
2K2
L401
C431
C432 222M
L402
33mH
C202
56P
Q115
R117
4K7
EN AUT-LOC
EN TA ALARM
AREA3
DIN1
DIN3
DIN4
DIN4
DIN3
GND
GND
R112
C105
22P
C108
223
Q317
C310
102
1K
104
CDEJ
LA1
R197
100K
D126
D106
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
C113
103
R123
C430
470
C426
104
1UF
USB CLK
USB DO
USB DI
USB RDY
CLMTR
ZD302
8V2
C415
104
Q118 9015C
DN6
OIRT 30K
ITALY
DIS AUX
AMIF-SD
DIN5
LED1 LEDN
CDEJ
CCW
SSP S
DSP S
MCS
OPMTR
MCLK
MDATA
MLT
LAMP+
R122
680
CD
R423
470K
R439
D107
LA2
CD EJ
R424
1K
R426
470K
R427
10K
R440
8K2
D127
D120
D113
D148
IN4001
882
EC305
47UF
1K
D151
IN4148
D150
IN4148
R198
4K7
EN CD LAST
FMIF-SD
DIN6
CD+8V
C125
104
R337
Q401
R421
9014C
R422
2K2
R434
2K2
R425
Q402
9014C
EC413
1UF
EC412
47UF
DN7
R115
1K
R205
1K
D121
D114
DIS CDC
D108
DIN7
POWER
R167
8K2
R190
1K
C121
104
IC102 KA7808
D149
21
OUT
IN4001
470 1/6W
DN1
CPU +5V
BUZ
POWER
B+14V
ZD103
ZD102
B+14V
CDC ON
CDC DA
GND
10 1/4W
R338
10K
R420
1K
EC411
47uF
10K
R411
390K
R438
R436
10K
220K
Q404
EC403
2U2
9014C
R435
R437
82K
5K1
MU
VR CLK
VR DA
5V6
R192
560
R191
47K
5V1
IN
3
R335
Q315
10K
9013G
R334
1K
R336
2K2
Q316
C311
9014C
104
33mH
8K2
R428
222M
9015C
C423
472
XT201
4.332MHz
C203
56P
R429 8K2
C420
C421
C422
562
562
472
R201
470 1/4W
EC203
104
ZD201
5V1
47uf
C201
DN5
R119
D131
D130
DIS KEY
AF level
WOOFER
D124
D125
DIS DISPCLK
D116
ENPRIDE
DIS CT
D110
D103
FM ONLY
DIN2
DIN0
DIN1
DIN2
DSCN2
DSCN3
DIN2
DSCN2
DSCN3
DIN0/AUX ON
DIN1/WOOFER
9279 MADDR/MP3 MLT
9279 MDATAO/MP3 MDATAI
9279 MRD/MP3 MDATAO
RESET
9279 MWE/MP3 CLK
MP3DO
MP3DI
MP3MLT
MP3CLK
Q106
R162
100K
R164
10K
DSCN1
LMTSW
9015C
ZD111
D117
D104
DSCN0
DSCN0
DSCN1
G/LDSENS
LMTSW
LD S
R163
10K
3V9
D118
DIS CLK
D112
DIS USB
D105
EN LW
DIN3
DSCN4
5152535455565758596061626364656667686970717273747576777879
MUTE
DSCN4
POWER
W-LED
ACCIN
CDEJ
TEFMUTE
CCW
EVRCLK/PIC-CLK
EVRDAT/PIC-DAT
USB_CL K
USB_DATAO
USB_DATAI
USB_READY
SSP_SEN S
DSP_SENS
9279_MCS
CDPON
CLMTR
OPMTR
MDAT
G/EJSENS
XRST
CLSW
EJ S
CLSW
XRST
SW2
RESET
EN MULTI-VOL
EN OIRT
DIN4
C119
104
MCLK
MLT
C103
R165
10K
SW1
CD EL
CDC SBY
CDC L
CDC ONLY
AUX ONLY
CDC+AUX
CDC R
R415
R-CD
4K7
L-CD
R414
4K7
R441
100R
VR DA
VR CLK
SUB_WFER
OPTIONAL
R511
1K
MU
CDC L
CDC R
Q802
R814
1K
C122
104
EC903
100uF
R811
104
9014C
47K
R812
10K
R810
R805
R809
R803
C803
R413
15K
R175
2K2
R903
100
EC902
4U7
10
C418
1UF
IC103
R810
R809
0
R803
R810
EC801
R805
R810
47UF
R805
R808
R809
R803
10K
R807
1UF
C406
1uF
4U7
R412
C410
15K
15 16 17 18 19 20 21 22 23 24 25 26 27 28
R410
390K
EC501
100UF
R522
10K
Q503
9014C
21
OUT
EC103
100UF
R169
22K
EC901
4U7
IC901
123
R905
22K
L-CDPL-RA
R504
C409
39K
KA7808
GND
R110
2K2
C408 104
L-AUX
L-IN
EC4054u7
R503
C503
100P
3
NM4558M
10K
R523
1K
IN
R904
22K
L-LOUD
L-OUT
EC104
10UF
5678
4
C407
C414224
4U7
R-RA
R-CDP
LI-BAS
LO-BAS
C413
224
3K3
R409
IC501
R505
47K
Q107
R176
2K2
R906 22K
R908
R913
R910
R909 22K
R911
R912 22k
R907 22K
1uF
C405
C412
224
3K3
123
22k
EC907
10UF
AUX/CDC OPTIONAL
9
10
11
12
R809
13
14
0
15
16
C801
R813
104
1K
R806
4u7
104
C404
EC404
R-AUX
R-OUT
R-LOUD
IC401
TDA7313D
RI-BAS
RO-BASRRLRRFLF
C411
EC408
EC40910UF
224
10UF
R408
RRRLFR
474
12K
R502
C502
5678
NM4558M
4
R506
39K
EC504
1UF
C504
D502
104
IN4148
772
R177
12K
CPU +5V
EC105
Q108
9014C
22K
EC905
4u7
22k
22k
ZD901
5.6V
C112
104
C804
0
9014S
Q502
9014C
67
R524
47K
4
104
68 1/2W
EC414
100UF
10 1/4W
R180
4K7
R
1
EC807
R830
100
EC806
47UF
EC808
4U7
MUTE
C401
FL
ZD401
EC707
9V1
100UF
R401
RL
FR
EC711
100UF
RR
MUTEMUTE
Q701
9014G
Q114
9012S
R149
22K
R150
10K
EC101
22UF
R178
R181
47K
R179
Q111
2K2
9014C
R188
X
4U7
NM4558B
EC107
4U7
IC802
R829
22K
R720
R721 22 K
R722 47 k
R723 2K2
R726
R727 47 k
R728 2K2
R729
R740
R741 22 K
R742 47 k
R743 2K2
R745
R746 47 k
R747 2K2
R748
R517
R518
R519
R520
R716
3K3
Q702
9014G
3K3
R715
EC703
100UF
R148
22K
22K
22K
22K
22K
22K
1K
R182
2K2
R827
22K
123
R828
22K
R724
5678
IC702
4
R744
47K
5678
IC703
4
120K
120K
120K
120K
Q703
Q110
9012S
R714
2K2
NM4558
NM4558
9014C
5678
4
47K
R712
120K
4K7
R821
R822
R823
R831
EC805
10UF
R825
R826 22K
123
R730
123
R749
R193
C120
1UF
EC708
22uF
EC706
100uF
47K
EC710
100uF
47K
R717
120K
EC712
22uF
D702
IN4001
22K
EC705
EC709
OPTIONAL
22K
22K
22K
22K
EC802 10UF
R824 22K
EC804
R820
47UF
22K
EC803
R732
R725
100
22uF
R750
100
22uF
F/L
R757
R/L
R709
4K7
R710
R711
120K
120K
BIN+14V
220
R734
R733
2K2
R731 220
R754
2K2
R753
2K2
R751 220
R/R
F/R
R701
R702
12K
4K7
C704
R704
R703
102
4K7
4K7
R706
C706
R705
102
4K7
4K7
C711
R707
4K7
102
C708
R708
4K7
102
R713
10K
R718
100K
L701
Q112
R186
9014C
EI-14
12K
D701
IN4001
772
R185
2K2
2K2
CDC SBY
R184
CDC SBY
R901
220
R917
Q902
12K
9012G
R916
2K2
Q901
9014C
Q113
R168
22K
EC108
10UF
F/R+
10
1
11
20PIN-SOCKET
F/R-
F/L+
2
9
12
CN701
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