Block diagram
UX-M3R
Main board
FM
IC101
AM
5
R/R HEAD
CON21
CN101
CN201CN702CN704
L101,L102
TC102
IC201
HEAD
SW
IC202
TAPE
SECTION
4
TUNER
SECTION
IC102
PLL
TAPE REC
TAPE PB
CN102 CN302
CN601 CN603
TUNER
IC301
SOURCE
SELECT
CD
CN301
CN602
IC401
POWER
AMPLIFIER
IC402
EAR PHONE
AMPLIFIER
CN401
CN402
12V 30V
CN303
Speaker
Ear phone board
Ear phone jack
JK401
CN403
CD & MCU section
Back LED board
CASSETTE
MECHANISM
CN604
IC602
RDS
3
LCD61
LCD DISPLAY
BACK LED
Key board
IC702
CD DOOR
DRIVE
CD
2
MECHANISM
&
CD PICK UP
IC704
CD RF
AMPLIFIER
IC601
MCU
IC701
CD DSP
CN607CN608 CN605
CN802CN801
REMOTE
SENSOR
MODE LED
OPERATION
SWITCH
Power board
IC703
CN703
CD SERVO
1
SB +6V
PW SW
CD +9V
CN609CN701
CN902 CN901CN903
TR901
TR902
TRANSFORMER
AB CD E F G
2-1
Standard schematic diagrams
Main section
5
Voltage charts
PIN1
PIN2
PIN3
4
To A-3
on page 2-3
PIN4
PIN5
IC201 : UPC1330
PIN1 5
PIN6
PIN7 9
0 V
0.78 V
0 V
2.8 V
3.06 V
0 V
7.30 V
0 V
3
PIN6
PIN7
PIN8
PIN9
PIN10
PIN1 4
PIN5
PIN6
PIN7
PIN8
PIN9
IC101 : TA2104
2.63 V
PIN11,12
3.16 V
PIN13
0 V
PIN14
0.5 V
PIN15
2.38 V
PIN16
IC202 : AN7312
0 V
PIN10
1.35 V
PIN11
1.27 V
PIN12
0 V
PIN13
0 V
PIN14
1.23 V
1.2 V
2.5 V
2.35 V
0.7 V
1.2 V
1.35 V
3.4 V
0 V
6.87 V
6.92 V
PIN17
PIN18
PIN19
PIN20 24
0.7 V
0 V
2.87 V
3.01 V
Voltage charts
IC301 : TC9422F
PIN1
PIN2
PIN3
PIN4
PIN5
PIN6 12
PIN13 15
7.89 V
0 V
3.9 V
2.24 V
0 V
3.9 V
0 V
PIN16 19
PIN20
PIN21
PIN22,23
PIN24
PIN25,26
PIN27,28
3.97 V
3.9 V
0 V
3.9 V
0 V
3.9 V
0 V
UX-M3R
Voltage charts
Q301
2SC945P
E
0.67V
1.21V
B
3.01V
C
Q302
2SC945P
0.67V
1.21V
3.01V
Q303
2SC1383R
8.53V
9.18V
11.53V
UX-M3R
To A-4
on page 2-3
Voltage charts
Q113
2SC945P
E
0V
0.51V
B
0V
C
Q117
2SA733P
4.56V
E
5.77V
B
C
6.51V
Q120
2SC945P
2.27V
E
2.89V
B
3.93V
C
Q123
2SC945P
0.62V
E
1.09V
B
4.23V
C
Voltage charts
IC102 : TC9257
PIN1
2.61 V
2.61 V
PIN2
5.26 V
PIN3
5.26 V
PIN4
0.5 V
PIN5
0 V
PIN6
4.25 V
PIN7
0.3 V
PIN8
0 V
PIN9
0 V
PIN10
IC401 : LA4282
PIN1
1.0 V
0.7 V
PIN2
16.7 V
PIN3
0 V
PIN4
0.7 V
PIN5
1.09 V
PIN6
Q114
2SC945P
0V
0V
3.2V
Q118
2SC945P
0V
0.69V
0V
Q121
2SC945P
0.63V
1.1V
2.06V
Q124
2SC945P
0V
0.62V
4.23V
PIN11
PIN12
PIN13
PIN14
PIN15
PIN16
PIN17
PIN18
PIN19
PIN20
PIN7
PIN8
PIN9
PIN10
PIN11
PIN12
Q115
2SC945P
0V
0V
1.33V
Q119
9018G
0V
0.73V
3.09V
Q122
2SC945P
0V
0.63V
2.06V
0 V
5.3 V
0 V
2.5 V
0 V
2.5 V
5.15 V
0 V
1.0 V
1.0 V
16.02 V
0 V
33 V
16.3 V
0 V
Voltage charts
Q304
Q305
2SC945P
0V
0.75V
0V
Q402
8050D
0V
0V
0V
Q405
8050D
0V
0V
0V
Q410
2SC945P
0V
0V
33.4V
2SB1240Q
2SA733P
2SA733P
E
B
C
E
B
C
2
(To A-3 on page 2-3)
1
Voltage charts
Q201
8050D
E
2.1V
2.7V
B
2.1V
C
Q202
2SC945P
0V
0V
0.2V
Q203
2SC945P
0V
0.65V
0V
Q204
2SC945P
0V
0.65V
0V
Q205
2SC945P
0V
0.65V
0V
Q206
8050D
2.1V
2.7V
2.1V
Q207
2SC945P
0V
0V
0.2V
Q208
2SC945P
0V
0.65V
0V
Q209
2SC945P
0V
0.65V
0V
Q211
2SA733P
8.54V
7.66V
8.11V
Q212
2SC945P
0V
0.65V
0V
Q213
2SC945P
0V
0.65V
0V
Q214
2SC945P
0V
0V
4.59V
AM SIGNAL
FM/RADIO SIGNAL
TAPE PB SIGNAL
TAPE REC SIGNAL
MAIN SIGNAL
HEAD PHONE SIGNAL
CD SIGNALRADIO SIGNAL
(To G-1 on page 2-4)
Parts are safety assurance parts.
When replacing those parts, make
sure to use the specified one.
E
B
C
E
B
C
14.89V
14.1V
14.82V
Q403
11.97V
0V
11.85V
Q406
8050D
27.1V
27.9V
33.6V
Q411
34.1V
33.7V
0V
Q401
8050D
0V
0V
0V
Q404
8050D
0V
0V
0V
Q409
2SC945P
0V
0V
11.92V
2-2
HAB C DE FG
UX-M3R
CD & MCU section
To A-1 and B-1
on page 2-4
(To B-5 on page 2-4)
5
Voltage charts
IC602 : BU1923F
PIN1
PIN2
PIN3
PIN4
PIN5
PIN6,7
4
(To G-4 on page 2-2)
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
3
To D-1
on page 2-2
To A-3
on page 2-2
2
To E-1
on page 2-4
Voltage charts
IC601 : 5V43-1J15
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
0V
2.4V
2V
4.6V
2.3V
2.81V
0V
1.8V
0V
4.77V
4.7V
3.59V
0V
5.28V
0V
5.28V
0V
4.7V
5.28V
0V
5.28V
0V
5V
0V
4.8V
0V
5.26V
5.28V
0V
1.1V
0V
4.43V
5.26V
5.27V
5.36V
5.35V
0V
Voltage charts
IC701 : TA9462F
PIN1
PIN2
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
4.78V
4.86V
4.84V
0V
2.45V
0V
2.48V
0V
2.21V
1.27V
4.9V
0V
2.28V
0V
2.49V
0.48V
1.65V
0V
4.9V
0V
4V
2V
0V
2V
1.5V
0V
2V
4.9V
2V
2.5V
2V
2.2V
2V
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
PIN51
PIN52 55
PIN56
PIN57
PIN58 61
PIN62
PIN63
PIN64
PIN65 67
PIN68 70
PIN71 74
PIN75,76
PIN77
PIN78
PIN79
PIN80
PIN81
PIN82
PIN83
PIN84
PIN85
PIN86
PIN87 89
PIN90,91
PIN92
PIN93
PIN94
PIN95
PIN96
PIN97
PIN98,99
PIN100
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
0V
5.27V
4.78V
1.6V
2V
4V
2.4V
0V
5V
0V
0.7V
2.4V
4.8V
0V
4.9V
0V
2V
2.36V
4.8V
0V
2.6V
4.9V
2.49V
2.6V
0V
4.9V
4.7V
4.5V
4.6V
4.98V
0V
4.6V
4.15V
4.96V
4.94V
IC702 : TA7291
PIN1
PIN2
PIN3 5
PIN6
PIN1
PIN2
PIN3
PIN4
PIN5
PIN6
Voltage charts
Q601
Q602
Q603
Q604
Q605
Q606
Q607
Q610
Q701
Q702
Q703
Q704
Q705
Q707
Q708
Q709
Q791
1
To C-5
on page 2-4
To F-1
on page 2-4
E
B
C
2SC945P
0V
0V
0.65V
2SB1240Q
0.2V
1.1V
0V
2SC945P
0V
0V
0.3V
2SB1240Q
11.99V
11.96V
0.24V
2SC945P
0V
0V
11.95V
2SC945P
7.33V
11.99V
8.4V
2SC1383R
4.94V
5.54V
9.76V
8050D
5.32V
5.97V
7.06V
2SC945P
0V
1.1V
0V
2SC945P
0V
1.1V
0V
2SA733P
0V
0V
1.1V
2SC1383R
4.60V
5.25V
8.19V
2SA733P
4.11V
3.39V
1.89V
2SA733P
11.98V
11.98V
0V
2SC945P
0V
0V
0V
2SC945P
0V
0V
0V
2SB1240Q
8.25V
7.47V
8.09V
Q792
2SC945P
0V
0.71V
0.25V
CD SIGNAL
PIN7
PIN8
PIN9
PIN10
PIN11
PIN12
AB CD E F G
0V
PIN7
12.07V
PIN8
0V
PIN9
12.06V
IC703 : TA2092
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
0V
6.13V
0V
0V
3.7V
7.7V
3.43V
1.99V
0V
7.71V
2.14V
3.92V
7.7V
3.3V
0V
2-3
UX-M3R
UX-M3R
Key section Power section
(To D-5 on page 2-3) (To B-1 on page 2-4)
5
4
3
2
1
To D-5
on page 2-3
Voltage charts
Q801
2SC945P
E
0.74V
0.65V
B
2.51V
C
Q802
2SA733P
1.89V
1.22V
1.79V
Q803
2SC945P
1.99V
2.67V
2.09V
Q804
2SA733P
2.51V
3.66V
0V
Q805
2SC945P
2.51V
2.48V
1.89V
Q806
2SA733P
2.51V
3.65V
0V
To A-2
on page 2-3
To B-1
on page 2-3
To F-1
on page 2-2
Parts are safety assurance parts.
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-M3R
(Bottom view)
3
2
1
AB CD E F G
2-5
UX-M3R
UX-M3R
CD & MCU board Key board
(Bottom view)
(PB/REC head board)
(Bottom view)
(Motor board)
(Back LED board) (Ear phone board)
5
4
Power board
(Bottom view)
3
2
1
2-6
HAB C DE FG
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