SCHEMATIC DIAGRAMS
MICRO COMPONENT SYSTEM
UX-M55
CD-ROM No.SML200301
Area suffix
E ----------- Continental Europe
EN ------------ Northern Europe
UX-M55
STANDBY/ON
TUNER
TAPE
/BAND
/REV.MODE
CD
/RANDOM
PRE DOWN PRE UP
REC
REMAIN
REPEAT
SLEEP
/RDS MODE
ST/MONO
INTRO
TIMER PROGRAM
/RDS SEARCH
PRE EQ
DISPLAY
+
/HBS
MODE
VOLUME
MUTING BEAT CUT
Ð
RM-SUXM5R REMOTE CONTROL
SP-UXM5
Contents
Block diagram
Standard schematic diagrams
Printed circuit boards
CD-R/RW PLAYBACK
MICRO COMPONENT SYSTEM UX-M55
STANDBY
/ON
DISPLAY
MODE
TIMER
ON/OFF
SET
RANDOM
CD
PROGRAM
ST/MONO
STOP/CLEAR
REPEAT
PHONES
DIRECTION PLAY/PAUSE
REC
AUTO REVERSE
FULL LOGIC DECK
BAND REV. MODE
TUNER TAPE
SEARCH/TUNING
PRESET
OPEN/
CLOSE
REMAIN
/RDS MODE
INTRO/RDS
SEARCH
VOLUME
PRE EQ
/HBS
EJECT
CA-UXM55 SP-UXM5
2-1
2-2
2-5~6
COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD.
No.21190SCH
Jan. 2003
UX-M55
In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the
parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " "
mark nearby are critical for safety.
(This regulation does not correspond to J and C version.)
2-2
Block diagram
5
UX-M55
TUNER
TA2099
4
REMOTE
CONTROL
3
CD DOOR
MOTOR
CD PICK UP
REMOTE SENSOR
PLL
TC9257F
RDS
BU1924F
KEY BOARD
CD DOOR DRIVE
TA7291S
CD RF AMP
TA2153FN
LCD DISPLAY
MCU
TMP87EP26F-1J15
CD DSP
TC9462F
BACK LIGHT
FOR TUNER
MAIN
VOLTAGE
REGULATOR
FOR TAPE
TAPE
SECTION
AN7312
SOURCE
SELECTOR
TC9422F
RECTIFIER
REC./PLAY
SWITCH
UPC1330HA
EARPHONE AMP
BA4558N
POWER AMP
LM1876TF
POWER SUPPLY
LOGIC DECK
PHONE JACK
L/R SPEAKER
AC SUPPLY
2
CD SERVO
TA2092N
CD
VOLTAGE
REGULATOR
1
AB CD E F G
2-1
Standard schematic diagrams
Main section
Voltage charts
Q101
Q102
Q103
Q104
Q105
0.67V
0V
0V
Q106
2SC945P
5.3V
UPC1330HA
0V
0V
5
4
3
2
9018G
2.1V
2.9V
8V
2SA733P
11.2V
11.9V
E
B
C
Voltage charts
IC101 : TA2099
PIN1
1.96 V
1.81 V
PIN2
0.11 V
PIN3
1.95 V
PIN4
1.35 V
PIN5
5.82 V
PIN6
0.24 V
PIN7
PIN8
PIN9
PIN10
PIN11
PIN12
PIN13
PIN14
PIN15
PIN16
PIN17
PIN18
PIN19
PIN20
PIN21
PIN22
PIN23
PIN24
0 V
2.54 V
2.25 V
5.63 V
1.33 V
1.32 V
0 V
4.33 V
4.37 V
1.18 V
0.24 V
1.37 V
1.82 V
1.95 V
1.95 V
5.83 V
1.95 V
To CD & MCU board
CN603
Voltage charts
IC201 : UPC1330HA
PIN1~5
PIN6
PIN7~9
IC202 : AN7312
PIN1~4
PIN5
PIN6
PIN7
PIN8
PIN9
PIN10
PIN11
PIN12
PIN13
PIN14
IC301 : TC9422F
PIN1
PIN2
PIN3
PIN4
PIN5
PIN6~12
PIN13~15
PIN16~19
PIN20
PIN21
PIN22,23
PIN24
PIN25,26
PIN27,28
7.30 V
1.35 V
1.27 V
1.23 V
1.35 V
3.4 V
6.87 V
6.92 V
7.89 V
3.9 V
2.24 V
3.9 V
3.97 V
3.9 V
3.9 V
3.9 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
0 V
12V
2SA733P
4.8V
4.4V
0V
2SC945P
5.8V
6.1V
6.2V
2SC945P
TA2099
UX-M55
Voltage charts
Q301
2SC945P
E
0.68V
1.3V
B
2.8V
C
Q302
2SC945P
0.7V
1.3V
2.5V
Q303
2SC1383R
8.4V
9V
11.6V
UX-M55
BA4558N
BA4558N
NJM7812A
BA4558N
BA4558N
TC9257F
LM1876TF
To CD & MCU board
CN103
To Earphone board
CN403
To Main board
CN402
Earphone board
Voltage charts
Q107
2SC945P
E
0V
B
0V
C
1.6V
Q110
2SC945P
E
0V
0.61V
B
4.88V
C
Q112
2SC945P
E
0V
0.6V
B
5.9V
C
Q114
2SC945P
E
0V
0.7V
B
0V
C
Voltage charts
IC102 : TC9257F
PIN1
2.26 V
2.27 V
PIN2
4.54 V
PIN3
4.54 V
PIN4
0.43 V
PIN5
0.05 V
PIN6
4.23 V
PIN7
0.37 V
PIN8
0.02 V
PIN9
0.02 V
PIN10
IC401 :
BA4558N
PIN1~3
-7.58 V
PIN4
PIN5~7
PIN8
7.48 V
Voltage charts
Q304
2SC945P
0V
E
0.7V
B
0.1V
C
Q402
8050D
0V
E
0V
B
0V
C
Q405
2SA733P
12V
E
11.94V
B
-1.4V
C
Q410
8050D
0V
E
0V
B
21V
C
Q109
2SC945P
0.6V
1.1V
5V
Q111
2SC945P
0.6V
1V
5.9V
Q113
2SA733P
8.1V
7.3V
8.1V
PIN11
PIN12
PIN13
PIN14
PIN15
PIN16
PIN17
PIN18
PIN19
PIN20
IC402 :
0 V
PIN1
PIN2
0 V
PIN3
PIN4
PIN5~14
PIN15
Q305
2SB1240Q
16.4V
15.7V
16.4V
Q403
8050D
0V
0V
0V
Q406
2SC945P
0V
0V
11.93V
Q411
8050D
-17.7V
-18.2V
-23.5V
0.02 V
4.53 V
0 V
2.25 V
0 V
2.23 V
4.41 V
0 V
1.08 V
1.08 V
LM1876TF
0 V
25.4 V
0 V
-25.4 V
0 V
25.4 V
Q401
8050D
0V
0V
0V
Q404
8050D
0V
0V
0.9V
Q407
2SC945P
0V
0.65V
0V
1
Voltage charts
Q201
8050D
E
0V
0V
B
0V
C
Q202
2SC945P
0V
0.64V
0V
Q203
2SC945P
0V
0.63V
0V
Q204
2SC945P
0V
0V
0V
Q205
2SC945P
0V
0V
0V
Q206
8050D
0V
0V
0V
Q207
2SC945P
0V
0.64V
0V
Q208
2SC945P
0V
0V
0V
Q209
2SC945P
0V
0V
0V
Q210
2SC945P
0V
0V
0V
Q211
2SA733P
8.4V
8.3V
0V
Q212
2SC945P
0V
0V
8.3V
Q213
2SC945P
0V
0V
7.8V
Q214
2SC945P
0V
0.65V
0V
Q215
2SC945P
0V
0V
0.5V
To CD & MCU board CN602
AM SIGNAL
FM/RADIO SIGNAL
2-2
TAPE PB SIGNAL
TAPE REC SIGNAL
CD SIGNALRADIO SIGNAL
To Power board CN901
MAIN SIGNAL
HEAD PHONE SIGNAL
Voltage charts
IC302 : NJM7812A
PIN1
17.43 V
12.13 V
0 V
PIN2
PIN3
IC403 :
BA4558N
PIN1~8 -
Parts are safety assurance parts.
When replacing those parts, make
sure to use the specified one.
HAB C DE FG
CD & MCU section
UX-M55
To Key board
CN802
To Key board
CN801
CD & MCU board
Voltage charts
Q707
Q709
0V
0V
4.5V
12V
12V
0V
Q708
2SC945P
0V
0V
0V
Voltage charts
IC602 : BU1924F
PIN1
PIN2
PIN3
PIN4
PIN5
PIN6,7
PIN8
2.8V
2.9V
5.4V
2.9V
3V
0V
0V
PIN9~11
PIN12
PIN13
PIN14
PIN15
PIN16
5.4V
2.0V
2.6V
2.7V
0V
0V
5
2SA733P
E
B
C
E
B
C
2SC945P
MCU : TMP87EP26F-1J15
4
To Main board CN103
Voltage charts
IC601 : TMP87EP26F-1J15
PIN1
PIN2
PIN3
PIN4
PIN5
PIN6
PIN7,8
PIN9
PIN10
PIN11
PIN12
PIN13
PIN14~16
PIN17,18
PIN19
PIN20
PIN21
PIN22
PIN23
PIN24~27
PIN28
PIN29
PIN30
PIN31
PIN32~36
PIN37,38
PIN39
PIN40
PIN41
PIN42
PIN43
PIN44
PIN45
PIN46,47
PIN48
PIN49
PIN50
2.4V
4.6V
2.3V
2.81V
1.8V
4.77V
4.7V
3.59V
5.28V
5.28V
4.7V
5.28V
5.28V
4.8V
5.26V
5.28V
1.1V
4.43V
5.26V
5.27V
5.36V
5.35V
0V
2V
0V
0V
0V
0V
0V
0V
0V
5V
0V
0V
0V
0V
0V
PIN51
PIN52~54
PIN55,56
PIN57~60
PIN61
PIN62
PIN63
PIN64
PIN65
PIN66,67
PIN68
PIN69
PIN70
PIN71
PIN72
PIN73
PIN74
PIN75
PIN76
PIN77
PIN78
PIN79~81
PIN82,83
PIN84,85
PIN86
PIN87
PIN88
PIN89
PIN90
PIN91
PIN92
PIN93
PIN94
PIN95~97
PIN98
PIN99,100
1.3V
2.38V
2.36V
2.34V
2.33V
2.34V
2.4V
2.34V
2.31V
2.41V
2.45V
2.33V
2.34V
2.37V
2.38V
2.3V
2.38V
2.32V
2.31V
2.44V
2.45V
2.38V
2.4V
2.36V
2.41V
2.43V
2.3V
2.32V
2.44V
2.47V
2.43V
2.48V
2.37V
5.27V
4.78V
0V
Voltage charts
IC701 : TC9462F
PIN1
PIN2
4.8V
3.2V
2.1V
0.1V
3.9V
2.4V
2.3V
4.2V
2.1V
1.9V
2.1V
2.1V
1.8V
2.6V
1.8V
1.2V
2.1V
1.9V
4.7V
2.1V
2.6V
2.5V
2.1V
2V
0V
PIN3
PIN4
PIN5
PIN6
PIN7
PIN8~11
PIN12
PIN13
PIN14
PIN15,16
PIN17
PIN18
PIN19
PIN20
PIN21
PIN22
PIN23
PIN24
PIN25
PIN26
PIN27
PIN28~34
PIN35
PIN36
PIN37,38
PIN39
PIN40,41
PIN42
PIN43
PIN44
PIN45~50
PIN1
PIN2
PIN3~5
PIN6
PIN1
PIN2
PIN3
PIN4
PIN5
PIN6
PIN7
PIN8
PIN9
PIN10
PIN11
PIN12
To CD servo board To Tray motor board
3
CN301
To Main board
CN302
To Main board
Voltage charts
IC704 : TA2153FN
PIN1
2
CN903
To Power board
RFO
To Cassette board
To LED board To Power board
1
CN903
Voltage charts
Q601
2SC945P
E
0V
0V
B
4.7V
C
Q603
2SD882Q
0V
0V
0V
Q604
2SB1240Q
12V
12V
0V
Q605
2SC945P
0V
0V
12V
Q606
8050D
8.5V
9.1V
12V
Q607
2SC1383R
5.5V
6.2V
7.8V
Q610
8050D
5.3V
6V
6.8V
Q701
2SC945P
0V
0V
0V
Q702
2SC945P
0V
0V
0V
Q703
2SA733P
0V
0V
0V
Q704
2SC1383R
0V
0V
0V
Q705
2SA733P
0V
0V
0V
Q791
2SB1240Q
11.1V
11V
0V
Q792
2SC945P
0V
0V
10.8V
CD SIGNAL
Parts are safety assurance parts.
When replacing those parts, make
sure to use the specified one.
PIN2
PIN3~7
PIN8
PIN9
PIN10
PIN11
PIN12
PIN13,14
PIN15
PIN16
PIN17
PIN18
PIN19
PIN20
PIN21
PIN22
PIN23
PIN24
PIN25
PIN26
PIN27
PIN28
PIN29
PIN30
4.78V
PIN51
4.86V
PIN52~55
4.84V
PIN56
0V
PIN57
2.45V
PIN58~61
0V
PIN62
2.48V
PIN63
0V
PIN64
2.21V
PIN65~67
1.27V
PIN68~70
4.9V
PIN71~74
0V
PIN75,76
2.28V
PIN77
0V
PIN78
2.49V
PIN79
0.48V
PIN80
1.65V
PIN81
0V
PIN82
4.9V
PIN83
0V
PIN84
4V
PIN85
2V
PIN86
0V
PIN87~89
2V
PIN90,91
1.5V
PIN92
0V
PIN93
2V
PIN94
4.9V
PIN95
2V
PIN96
2.5V
PIN97
2V
PIN98,99
2.2V
PIN100
2V
IC702 : TA7291S
0V
PIN7
12.07V
PIN8
0V
PIN9
12.06V
IC703 : TA2092N
0V
PIN13
3.42V
PIN14
7.69V
PIN15
3.72V
PIN16
2.09V
PIN17
2.05V
PIN18
3.58V
PIN19
2.03V
PIN20
3.52V
PIN21
7.69V
PIN22
3.64V
PIN23
0V
PIN24
1.6V
2.4V
0.7V
2.4V
4.8V
4.9V
2.36V
4.8V
2.6V
4.9V
2.49V
2.6V
4.9V
4.7V
4.5V
4.6V
4.98V
4.6V
4.15V
4.96V
4.94V
6.13V
3.7V
7.7V
3.43V
1.99V
7.71V
2.14V
3.92V
7.7V
3.3V
2V
4V
0V
5V
0V
0V
0V
2V
0V
0V
0V
0V
0V
0V
0V
0V
AB CD E F G
2-3
UX-M55
UX-M55
Power sectionKey & LED section
To CD & MCU board CN608
To CD & MCU board CN605
Voltage charts
Q901
2SA733P
E
4.5V
B
3.6V
C
4.3V
Q902
2SC945P
0V
0.6V
0V
5
LED board
4
3
Key board
2
Parts are safety assurance parts.
1
To CD & MCU board CN607
Voltage charts
Q801
2SC945P
E
0.87V
B
0.64V
C
3.1V
Q802
2SA733P
2V
1.2V
1.8V
Q803
2SC945P
2V
2.7V
2.2V
Q804
2SA733P
3.14V
3.16V
-1V
Q805
2SC945P
1.8V
2.5V
1.97V
Q806
2SA733P
3.14V
3.16V
-0.87V
To CD & MCU board CN609 To CD & MCU board CN701
To Main board CN303
When replacing those parts, make
sure to use the specified one.
2-4
HAB C DE FG
Printed circuit boards
Main board
5
4
UX-M55
Reverse side
3
2
1
AB CD E F G
2-5
UX-M55
Power board
Reverse side
UX-M55
CD & MCU board
Reverse side
Key board
Reverse side
5
(Back LED board) (Earphone board) (Tray motor board)
4
(Antenna board)
3
2
1
2-6
HAB C DE FG
< MEMO >
UX-M55
2-3
UX-M55
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.21190SCH
200301
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