UX-T550
SCHEMATIC DIAGRAMS
MICRO COMPONENT SYSTEM
UX-T550
CD-ROM No.SML200101
Contents
Block diagram
Standard schematic diagrams
Printed circuit boards
This schematic diagrams is printed on 100% recycled paper.
COPYRIGHT 2001 VICTOR COMPANY OF JAPAN, LTD.
Area Suffix
B ------------------------------- U.K.
E ----------- Continental Europe
EN ------------ Northern Europe
EV -------------- Eastern Europe
EE --------- Russian Federation
2-1
2-3
2-8~2-10
No.20908SCH
Jan. 2001
1
2
3
4
5
Block diagram
AB C
R/P Head (L)
E Head
FM
CN31
HEAD AMP BOARD
AM
J1
TUNER BOARD
To L301
GND
TU1 FM TUNER PACK
CF1
16 14
IC32 PB/REC AMP
L11
COIL BLOCK
C8
Q1
13
5
1
FM IF/DET/MPX
IC1 AM RF/2F/DET
23
24
AM IF
CF2
19
21
L10
114K
TRAP
CN34 CN303
AUX IN
13
1718
Q8
CN1
IC35 FUNCTION AMP
CN701
CN712
SYSTEM CPU BOARD
IC32 BASS BOOST AMP
3
6
8
CN302
2
IC38 E.VOLUME
FW501
9
1
12
14
7
IC31 POWER AMP
CN304
J3002
L1003
L1003
L1002
POWER AMP BOARD
To Speaker
L ch
J3003
HEAD PHONE
2-1
CD PLAYER UNIT
UX-T550
UX-T550
Standard schematic diagrams
Main amp section
5
4
3
2
AUX IN SIGNAL
1
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
REC SIGNAL
CD SIGNAL
TAPE SIGNAL
MAIN SIGNAL
TUNER SIGNAL
AB CD E F G
2-3
UX-T550
LCD & KEY Contorl section
5
4
3
2
TUNER SIGNAL
1
AB CD E F G
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
2-4
UX-T550
Head amp & Mecha control section
5
4
3
2
1
AB CD E F G
REC SIGNAL
TAPE SIGNAL
2-5
UX-T550
CD Servo control section
5
4
3
2
1
CD SIGNAL
AB CD E F G
2-6
UX-T550
Tuner section
5
4
3
2
1
TUNER SIGNAL
AB CD E F G
FM SIGNAL
AM SIGNAL
2-7
UX-T550
Printed circuit boards
Main board
5
4
3
2
1
AB CD E F G
2-8
UX-T550
LCD system & CPU board
CD servo control board
5
GND
GND
SUBC
SBCK
CLDCK
BLKCK
XCLK
IPFLAG
DEMPH
DADAT
DALRC
DABCK
BCLK
LRCK
SRDATA
CN606
X651
R661
C664
R621
R601
1
1
C656
C608
C661
R695
C662
R663
C657
C652
C610
C609
CN607 14
SUBC
CN607
SBCK
CLDCK
BLKCK
14
4
C666
C665
R664
R665
TP601
GND
T02
3
C629
C667
R622
R662
TP602
ARF
R623
C663
C614
C628
C651
18
41
40
C611
R659
15
R603
C677
C612
C623
C674
60
61
80
1
C694
20
21
C613
R642
R641
R633
R647
R645
R643
C653
R646
R653
R652
R644
R631
R632
R692
C675
C655
R691
R693
R655
C673
R651
R654
C691
R666
C671
R671
C692
CN602
D661
C672
R672
C693
1
SAFETY
REST
MLD
MDATA
CN604
MCLK
XRST
STAT
SQCK
SUBQ,
GND
11
GND
1
DO
CN605
GND
+B
3
16
REST
FM-
FM+
SM-
GND
SM+
1
DG
MG
CN603
BTLM
+B
L
7
AG
R
19
R609
R610
C618
C617
C604
TE
R612
C621
1
C607
ABFCDKEMDLDVRGND
R613
R614
2
C605
Q601
BE
R616
C622
C616
R615
36
R605
R606
IC601
C615
C619
R607
C620
FE
15
CN601
F+T+T-
F-
1
28 15
C606
IC602
14
Q631
C632
EB
C631
C676
1
AB CD E F G
2-9
UX-T550
Tuner board
5
T1
Q13
D20
C45
C34
R63
R55
R65
R32
C46
C36
R13
B129
D5
R43
C69
B126
R21
Q26
D6
R44
R56
R57
C23
C35
R11
R24
CF3
24
CF2
IC1
C18
1
C30
C39
C31
R28
R36
R37
C55
R48
C71
C96
Q6
E
B121
R66
C32
B123
R54
R23
L11
R22
R45
R60
R61
11
IC2
B127
Q1
B131
B135
Q15
E
R15
E
Q3
Q2
E
R12
R18
C21
B128
R85
B132
B130
L6
C80
Q12
R83
Q27
Q24
R82
C7
C81
R81
GND
ANTG
R-CH
L-CH+BDATA
MPXCKPERIOD
VT
C42
C41
R27
R25
13
C10
R34
R35
EE
4
R42
Q8
R39
C50
E
Q7
R38
C49
R68
R46
L4
R69
C63
C65
B122
C62
C61
3
T02
C40
CF4
C47
C44
C37
12
R31
C33
R30
R29
C68
B120
C67
C66
1
R52
B124
CF1
R62
C70
R20
X1
C72
22 12
C60
C1
C4
R1
C3
R2
TU1
C5
R17
C95
R96
R92
C90
R84
C94
C85
Q28
R91
D1
R14
Q14
Q25
R86
C82
B134
L8
L5
C83
C86
C84
2
B133
R97
R98
C9
C8
D3
D4
WR3
WR4
E
C99
R90
Q21
C91
L7
D21
L10
C93
C97
C92
D2
1
Head amplifier & Mechanism control board
C111
R304
B108
C109
6
SLC-S11
C306
8
B106
C101
9
B166
R116
B101
IC32
R216
C311
R327
VR37
1
6
VR31
VR32
C308
R314
B113
R315
B111
C324
R325
Q310
Q311
Q303
C326
Q302
C221
C310
R322
R351
C309
L301
R317
R316
RECLAGRECR
R352
C314
R313
3
R310
4
C317
C325
C323
Q309
C321
Q308
B112
C313
C316
C121
PBLAGPBR
SW8V
B154
D309
C322
1
C312
L303
Q307
Q306
MS
C315
MB
CN34
R311
Q321
C320
C351
B107
R305
C106
C319
R102
C107
C102
C110
C318
R319
C307
Q301
Q305
R335
Q101
C104
B105
R103
Q304
R303
C103
R121
R221
10
R115
R101
B104
C303
MG
R110
R109
Q102
R108
R114
C113
C302
R301
1
9
C108
B117
B151
B152
B103
R113
C112
R112
R111
C301
B116
B157
1
R107
Cassette switch board
SW1 SW2 SW3
D1
T01
P1
CN33
9
R342
C209
B115
R371
R341
16
1
CN31
CN1
IC1
C208
1
B114
B110
NC
R343
C212
C207
R340
R213
R212
R211
C211
R208
IC31
1
TAP
C206
C304
RRE
Q202
R214
C213
R210
R209
R332
R333
SOL
C375
C305
R339
MG
R205
R105
C105
C201
B109
5V
R106
C203
R206
R334
PHO
R204
C202
C210
R207
R306
C333
C332
R375
Q372
C205
R104
R203
PLA
C204
C331
FRE
R202
R215
R201
R331
SW6
70u
10
CN32
R372
R373
Q201
D301
B162
C371
16
1
T1A
SW4 SW5
Q375
R376
C374
R338
E
D375
E
R337
C376
Q371
R336
9
IC33
8
B
Q376
B
AB CD E F G
2-10
UX-T550
VICTOR COMPANY OF JAPAN, LIMITED
AUDIO & COMMUNICATION BUSINESS DIVISION
PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
No.20908SCH
Printed in Japan
200011(V)
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