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WX-VX55/VX55S
WX-VX55/VX55S
31
31
6-8. SCHEMATIC DIAGRAM – MAIN Section (1/3) –
• See page 40 for IC Block Diagrams.
(2/3)
1
MAIN
BOARD
2
MAIN BOARD (3/3)
IC B/D
IC B/D
0
3.7(0)<3.7>
3.8(0)<3.8>
0
1.1(0)<1>
3.3(0)<0>
8.3
4.9
3.3
3.3
3.2
0
3.3
5.5
4.9
8.3
7
3.3
3.3
3.3
8.2
4
4
4
4
4
0.6
0
0
0
4
4
4
4
4
4
3.9
4
3.9
4
4
4
4
4
4
4
0
14.2
14.1
0
0
0
0
0
0
0
0
0
0
0
0
7.1(0)<7.1>
0
4
4
4
3.3
4
4
4
8.3
3.3(0.6)<3.3>
8(4.1)<8>
4
4
4
3.3
4
4
0
3.3
8.2(0)<8.2>
0(3.3)<0>
0
2.1(3.3)<3.3>
0
0(0.6)<0>
PJ601
TUX-032KIT//Q2
TUX601
ANT1
1
GND1
2
R
3
L
4
QUALITY
5
6
7
8
RDS
9
VCC
10
11
GND2
12
13
14
15
16
17
18
19
20
21
TUGND
BD3442FS-E2
IC401
1
A1
2
A2
3
B1
4
B2
5
C1
6
C2
7
DP1
8
DN
9
DP2
10
DS32
11
DS12
12
DS22
13
EBIAS
14
DS21
15
DS11
16
DS31
17
CLK
18
DATA
19
SOUT
20
ADJ
21
OUTS2
22
OUTS1
23
OUTR2
24
OUTR1
25
OUTF2
26
OUTF1
27
VCC
28
MUTE
29
SCL
30
SDA
31
GND
32
FIL
0.22
C409
0.22
C408
100
R412
100
R411
0.1
C416
33K ±0.5%
R469
1K
R446
SGND
100P
C435
100P
C436
100P
C434
100P
C433
220
R414
220
R415
220
R417
220
R416
220
R440
1
C438
1
C448
1
C444
1
C445
1
C437
1
C443
1
C442
1
C440
0.1
C621
0.1
C620
1K
R615
1
C614
100
R604
100
R603
100
R608
100
R607
47
R424
330P
C201
330P
C202
330P
C151
10K
R203
0.01
C203
15K
R204
27K
R205
0.1
C204
0.01
C303
0.1
C304
0.047
C310
330K
R301
1/4W
10
R304
1
C205
1
C155
0.01
C153
27K
R155
15K
R154
10K
R153
0.1
C154
330P
C152
0.47
C306
0.01
C305
4.7K
R303
15K
R302
47K
R520
100
R606
2.2K
R527
18K
R523
2.2K
R528
47K
R522
2.2K
R413
2.2K
R529
100P
C419
HA12231FPEL
IC301
1 VREF
2 FINL
3 RINL
4 EQOL
5 TAIL
6 OUTL
7 MSG
8 120/70
9 Mute
10
FOR/REV
11
VCC
12
MS
13
MSDET
14
RIP
15
OUTR
16
TAIR
17
EQOR
18
RINR
20
GND
19
FINR
2.2K
R429
2.2K
R426
0
R937
10K
R430
10K
R427
0
R102
CN301
7P
1234567
1/50
C309
10/16
C308
10/16
C414
KRC102S
Q501
INVERTER
KRC102S
Q502
INVERTER
KRC102S
Q503
INVERTER
Q301
AMS SWITCH
KTC3875
KRC102S
Q400
KRA102S
Q401
D400
KDS160-RTK
HZC5.6
D600
Q404
MUTE
KRC285
Q405
MUTE
KRC285
Q406
MUTE
KRC285
Q403
MUTE
KRC285
Q402
MUTE
KRC285
100/10
C417
47/16
C430
47/16
C618
2.2uH
L602
1/50
C483
2.2/50
C485
1/50
C484
22/16
C301
C302
22/50
Q601
+5V REG
2SD1664
PJ401
6P
1
2
2
3
4
5
5
6
7
8
8
9
10
11
27K
R521
10/16
C619
FB601
10/16
C428
10/16
C452
10/16
C426
10/16
C425
10/16
C424
10/16
C411
10/16
C410
0.01
C604
TU2GND
1/4W
4.7
R409
0.012
C406
0.012
C401
10K
R401
10K
R403
10K
R402
10K
R408
0.0015
C405
0.0015
C402
22K
R442
22K
R421
22K
R420
22K
R418
22K
R419
FL1
FR1
RR1
SGND
RL1
SGND
RL1
BATT1
MUTE
AU+8.3V
CD-L
SGND
CD-R
SGND
CD-R
SCL
SDA
SDA
AUX-L1
AUX-GND1
AUX-R1
SOUT
SDA
SCL
BUP+3.3V1
DA
TA
CLK
EVOL-MUTE
TU-RCH
TU-LCH
MTLON
TAPATT
N-ROUT
AMSON
AMSIN
QUAL
VSM
TU-ATT
EEP-SCK
EEP-SIO
FR
SCL
SCL
AU+8.3V
SDA
SDA
SDA
REAR
SUB
FRONT
AUDIO
MUTE DRIVE
F-L(CH)
L(CH)-COM
R-L(CH)
GND
R-R(CH)
R(CH)-COM
F-R(CH)
FL
FR
RR
RL
L
R
(1/3)
MAIN BOARD
IC401
PB AMP
IC301
AMSIN,AMSON,MTLON,
N-ROUT
,T
AP
A
TT
EEP-SCK,EEP-SIO, QUAL,TU-A
TT
,VSM
Q400,401
PB
(R-CH)
HP901
PB HEAD
PB
(L-CH)
PB
(L-CH)
PB
(R-CH)
1
2
2
3
4
5
6
6
7
7
6
5
4
6
5
4
2
3
1
FWD
REV
L
L
R
R
OUT
(ANTENNA)
I
8
5
G
A
6
4
E
7
C
2
B
11
F
H
10
3
12
D
9
1
S-METER
TU-MUTE
MUTE-COM
TU-VDD
TU-SCL
TU-SDA
E2P-SCL
E2P-VDD
E2P-SDA
AUDIO SELECT,
ELECTRONIC VOLUME
(Page 33)
(Page 32)
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