Block diagram
UX-A52R
LED
6
FM/AM
FMA-006
J1
ANT
TU1
FM RF
L1
AM RF
& OSC
IFOUT
AMRF
AFC
AMOSC
OSCOUT
IC2
PLL
MUTE/IFOUT
FM/AM
SQIN
ST/MONO
AMOSC
FM OUT
STEREO,CK
CE,DATA
IC1
FMDET
AM DET
LOUT
ROUT
IC3
RDS
RDDA
RDCL
CN1
CN701 CN744
FMB-031-1
TUL,TUR
TUDATA
TUST
TUCK
MPX
SW201
SW202
5
LVA10166-A1
CN31
R/P
HEAD
L+,LR+,R-
FW31
M
4
REEL
PULSE
CN1
CN32
IC31
HEAD
SWITCH
MOTOR
DRIVE
SOLENOLIDE
DRIVE
SWITCH
3
A+C
CN001
CD
B+D
CN601
E,F
LD,MD
PICKUP
T+,TF+,F-
OPEN
2
SWITCH
/OPEN
REST
SWITCH
/REST
FCS/SP/FE/TR
FEED
MOTOR
SPINDLE
FM+,FM-
SM+,SM-
BTL DRIVER
MOTOR
IC601
RF & SERVO
AMP
OFT
BDO
ARF
RFENV
IC801
TRD
FOD
ECM
ECS
TVD
TBAL
FBAL
FE,TE
GCTL
RFDET
1
IC32
PB/REC
AMP
MS,PBL,PBR
RECL,RECR
IC33
PORT
EXTENSION
SQL,KEY1,PLAY,PHOTO
SWITCH
IC251
UNIT
MICOM
/RESET
S TAT
/DMUTE
SUBQ
SQCK
BLKCK
M DATA
MCLK
FLAG
IREFx4
MLD
CDCOPY
CDTNO
CDEMP
CDINDEX
IC651
DSP
DQSY,SBCK
SUBC
STTA
S DATA
SCK
M
TXDO,RXDO
IC,/RESET
MCS
KCMND
M STAT
MRDY
KCLK
TX
OUTL
OUTR
SRDATA
LRCK
BCLK
CN34 CN33
/RESET
CN606
to FLASH MICON
CN605CN651CN671
PBL,PBR
CN743
CN706
CN704
PHOTO
PLAY,KEY1
SAFETY1
SCK,SDATA
STTA
OUTL,OUTR
IC704
MOTOR
DRIVER
LOAD
UNLOAD
CDTXD
CDRXD
CDRST
TX
J2003
RESET,SDA,RS
DOWN,UP,MIDDLE
IC701
SYSTEM
MICOM
RMT0,RMT1
LOCK
RMSPEED
IC703
MOTOR
DRIVER
MATRIX
LEDCTL
RED
BLUE
GREEN
FW907
DOWN
MIDDLE
UP
VOLDA,VOLCE
IC901
REMOCON
REM
CN918
CN908
CN906
CN909
CN709
MOTOR+
MOTOR-
BUZZER,PIN
FKEY1,FKEY2
SDA
SCL,RS
RESET
MOTOR+
MOTOR-
IC702
FUCTION/
VOL/AHB
LCD
CN907
AHB,FCD
MDPOUT
SMUTE
POUT
SAFETY4
OUTL,OUTR
SAFETY2
SAFETY3
CN705
M
CN905
CN711
CN712
KEY1
KEY2
PIN
BUZZER
RY801
CN808
CN805
US6V
SW5V
CN802CN801
S2601~S2617
KEY MATRIX
BZ201
L1006T1002
IC802
REG.
IC801
POWER
AMP
INL
INR
VOLTAGE
CONTROL
LIN
RIN
LOUT
ROUT
+OUTL
-OUTL
+OUTR
-OUTR
FANCTL
J1003
AC INPUT
CN809
CN804
J1001
CN807
T1001
CN803
W1001
M
J1002
BC
DIGITAL OUT
DE
F
G
HA
I
2-1
Standard schematic diagrams
Main & control circuit
UX-A52R
UX-A52R
Q2716
KTC3875/GR/-X
R2733
SCL
10K
R2706
2.2/50
C2713
MTZJ7.5C-T2
D2911
270
CS
R2734
RESET
R2099
R2098
R2097
R2089
R2061
R2060
R2057
R2062
R2064
R2066
R2624
R2052
R2051
R2050
R2048
R2046
R2044
R2043
R2042
R2041
QQL244K-100Z
Q2704
KTC3875/GR/-X
IC901
GP1UM271XK
C2904
100P
C2909
100P
C2908
100P
C2907
100P
0.001
C2902
C2901
100/10
270
REM%
RS
UP
SDA
DOWN
LCD5V
LEDCTL
MOTOR-
MOTOR+
MIDDLE
TLMT+
2.2K
TLMT-
2.2K
LOAD
2.2K
UNLOAD
2.2K
2.2K
TUCK
TUDATA
2.2K
2.2K
CDRST%
1K
CDTXD
1K
1K
CDRXD
BCOL
2.2K
RCOL
2.2K
2.2K
2.2K
2.2K
2.2K
2.2K
2.2K
2.2K
R2095
R2096
0.01
10K
10K
C2005
K2001
QQR0621-001Z
L2002
R2710
R2708
10K
KTC3875/GR/-X
10K
R2707
10K
D2702
R2709
R2901
QGF1016F1-14
QGF1016F1-14
100K
Q2705
CS
SDA
SCL
RS
RESET
VDD
C1+
1
C1-
C2905
V5OUT
VSS
1
V5
10K
C2906
CN918
CN908
1
C1009
CN907
QGA2501F1-02
100P
C2010
100P
C2009
R2088
100K
C2015
47/10
100P
C2011
R2047
10K
R2045
10K
D2705
C2714
4.7/50
R2711
47K
R2049
D2708
AHB%
D2703
MTZJ5.1C-T2
33K
R2712
10K
KI901
QGB2510J1-12
QLD0184-001
J2003
GP1FA550TZ
2.2K
2.2K
C2502
100/16
1.8K
R2227
2.2K
VOLCK
R2505
VOLDA
VOLCE
R2127
4.7K
R2128
R2237
R2235
51K
K2002
QQR0621-001Z
CN711
SW5V
MGNDB
FCD
TUNER+B
1.8K
TUNERPOUT
DOUT
DGND
VCC5V
R2620
82
R2621
82
7.5K
R2229
0.082
0.082
104
C2206
C2205
C2602
C2603
R2226
4.7K
R2228
R2225
2.2K
R2503
0.082
C2103
0.27
C2104
R2126
15K
C2219
10/16
SMUTE
POUT
2.2K
A9V
C2201
22/16
Q2203
KTC3875/GR/-X
7.5K
R2230
0.1
0.10.1
0.082 0.27
C2203 C2204
C2207
C2208
0.082
C2202
IC702
LC75345M-X
0.082 104
C2101
22/16
C2102
C2107
0.082
0.082
104
104
2.2K
C2106
C2600
C2604
C2105
R2125
7.5K
R2129
R2130
D2201
R2234
10K
1000p
C2750
AHB
1.8K
R2232
R2231
1.8K
0.0027
4.7/50
C2209
C2210
0.1
0.0027
C2108
C2109
7.5K
R2131
D2202
R2134
10K
DGND
BUZZER
FKEY1
FKEY2
PIN%
CN705
4.7/50
C2225
4.7/50
C2110
1.8K
QGF1201C3-05
22/16
4.7/50
10/35
4.7/50
4.7/50
220K
R2233
C2231
C2226
C2227
C2229
C2230
0.012
C2211
0.012
C2119
10/35
4.7/50
4.7/50
4.7/50
4.7/50
C2129
C2127
C2126
C2125
C2130
1.8K
R2132
R2137
15K
R2135
120K
Q2103
1/50
KTC3875/GR/-X
S2601
PIN%
R2601 R2602 R2603 R2604 R2605 R2606 R2607
1K 1K 1.2K 1.5K 2.2K 2.7K 3.9K
CN905
QGF1201F3-05
S2609
R2206
15K
R2106
15K
PHOTO
Q2403
KTC3875/GR/-X
R2416
82K
220K
R2133
150K
R2136
C2131
S2610
R2417R2415
82K
390K
S2602
S2603
R2608 R2609 R2610 R2611 R2612 R2613
1K 1K 1.2K 1.5K
S2611
TUL
TUR
MPX%
TUST
TUCK
TUDATA
1.2K
R2110
R2210
C2404
0.01
R2418
100K
S2605
S2604
S2613
S2612
CN701
QGF1205C1-13
RDSCK
RDSDATA
1.2K
C2214C2114
0.00820.0082
R2211R2111
6.8K6.8K
D2046
R2411
5.6
R2205
4.7K
R2105
4.7K
R2208
R2209
1.8K
R2108
1.8K
R2109
1.8K
1.8K
R2407
3.3K
R2408
3.9K
R2203
39K
10K10K
220P220P
C2212C2112
R2204R2104
R2103
39K
0.01
C2453
D2451
D2452
S2606
S2607
2.7K
2.2K
S2615
S2614
PBR
PBL
SW10V
RECR
RECL
PLAY
KEY1
SAFETY1
SCK
SDATA
STTA
J2001
S2608
S2617
R2617
5.6K
S2616
BZ201
QAN0045-001
47
680
R2614
D2601 R2615
Q2601
6
D2602
R2750
SPR-39MVWF
QSW0933-001
5
R2745
Q2708
2.2K
KTC3875/GR/-X
1/50
C2753
2.2K
R2744
2.2K
2.2K
2.2K
R2742
R2743
Q2707
KTC3875/GR/-X
1K
1/50
C2752
R2718
2.2K
R2741
R2740
R2715
R2714
KTC3875/GR/-X
1/50
C2751
R2713
1K
R2716
Q2706
1K
R2717
BCOL
1K
BLUE
GCOL
1K
GREEN
RCOL
1K
RED
4
IC704
LB1641
QGA201C1-05
UNLOAD
LOAD
MTR-
MTR+
CN706
10
R2860
3
CN704
QGF1016C1-19
CDTXD
CDRXD
MRDY
KLCK
CDRST%
2
W708
QJQ009-032601
1
R2138
MCS
TX
10K
LOCK
RMT1
RMT0
L2003
QQL244K-100Z
22/16
K3002
QGB2510J1-12
K3003
NQR0428-002X
QQR0621-001Z
CN712
9.1
0.01
R2856
C2855
R2852
C2604
470P
US6V
CDAGND
D2860
10
MTZJ6.8B-T2
SAFETY2
10
R2867
C2861
0.01
R2863
10K
R2864
2.2k
2.2k
10K
TLMT-
R2861
R2862
TLMT+
R2865
10K
R2866
10K
IC703
LB1641
MOTOR+
MOTOR-
10
R2855
C2852
0.01
D2852
2.2k
2.2k
C2853
100/16
R2854
R2853
MTZJ7.5C-T2
C2605
1000P
OUTR
SAFETY3
AGND
CD+B
CD+B
OUTL
D2904
NSTM515AS
MTZJ7.5C-T2
KRC102S-X
D2902
D2724
D2723 D2726D2725
Q2709
KTC3875/GR/-X
220
220
220
R2720
R2719
FW907
SW202
10K
R2084
R2092
47K
R2093
47K
47K
47K
47K
R2087
R2086
R2085
Q2711
KTC3875/GR/-X
270
R2723
R2100
R2001
R2002
R2003
R2005
R2006
R2007
R2008
R2009
R2010
R2011
R2012
R2622
R2015
R2016
R2017
R2018
R2019
R2020
R2021
R2023
R2024
MTZJ7.5C-T2
D2903
Q2710
KTC3875/GR/-X
270
270
270
R2722
R2724
R2721
QUM024-10DGZ3
QSW0803-001
UP
DOWN
DGND
MIDDLE
10K
R2083
2.2K
1K
10K
2.2K
2.2K
2.2K
2.2K
10K
2.2K
2.2K
1K
15K
2.2k
1K
10K
10K
2.2K
2.2K
10K
10K
1K
1K
C2001
0.01
0.01
C2002
33P
C2704
SW201
QAX0283-001Z
X2701
CDMUTE
RDSDATA
MPX%
TUST
FTUNER
FCD
PBMUTE
PIN
LEDCTL
BUZZER
KARAOKE
ECHO
SMUTE
TUNERPOUT
POUT
UP
RMT0
RMT1
MIDDLE
DOWN
VOLCK
VOLCE
D2908
NSTM515AS
MTZJ7.5C-T2
D2906
Q2712
KTC3875/GR/-X
220
220
220
R2726
R2751
R2725
100P
100P
C2014
C2013
2.2K
2.2K
2.2K
R2082
R2081
R2080
SCK
STTA
PLAY
AHB%
BTCL%
BUP
VOLDA
10K1K2.2K
1K
R2028
R2027
R2026
R2025
33P
C2705
KTC3875/GR/-X
R2729
QGD2504C1-04Z
2.2K
R2079
SDATA
R2029
Q2714
270
C2012
UPD784214AGF527
XKILL
VDD
D2001
1SS133-T2
1K
100/16
C2708
MTZJ7.5C-T2
D2907
Q2713
KTC3875/GR/-X
270
270
270
R2728
R2727
R2730
100P
R2752
CN906
DOWN
CN909
QGB2024J1-20S
CN709
QGB2024K1-20S
RS
CS
SCL
SDA
RESET
100
100
100
100
100
R2077
R2072
R2075
R2073
R2070
RS
CS
SCL
SDA
RESET
IC701
REM%
XT2
XT1
RESET%
VSS
100K
100K
2.2K
1K
R2030
R2031
R2033
R2032
X2702
QAX0401-001
0.01
22P
C2709
C2710
D2912
NSTM515AS
MTZJ7.5C-T2
D2910
D2732
D2731
Q2717
Q2715
KTC3875/GR/-X
KTC3875/GR/-X
270
270
220
220
220
R2735
R2732
R2731
R2736
UP
MIDDLE
REM%
RED
DGND
BLUE
GREEN
SW10V
TUCK
TUDATA
GCOL
CDRST%
CDTXD
CDRXD
BCOL
RCOL
KEY1
FKEY2
FKEY1
LOCK
SAFETY3
SAFETY2
AVREF
PHOTO
1K
100P
C2004
R2034
KTA1504/GR/-X
R2039
R2040
L2001
QQL244K-100Z
Q2703
330
R2705
D2701
22P
C2712
2200/6.3
C2711
BC
DE
2-2
F
G
HA
I
Power amplifier & Power supply circuit
6
R1101
R1201
5
4
3
2
1
UX-A52R
Q1701
5.6K
5.6K
5.6K
5.6K
10/5010/50
DTC144WSA-T
D1801
47/25
C1802
D1005
1N5401-TM
2SC2785/FE/
DTA144WSA-T
C1706C1707
DTA144WSA-T
Q1705
MTZJ13B-T2
R1807
Q1704
D1008
0.01
R1806
2.7K
680
2SC2785/FE/-T
2200/25
C1007
C1801
DTA144WSA-T
DTA144WSA-T
C1803
220P
Q1803
C1005
C1006
2200/25
D1006
1N4003
1000/25
R1805
C1003
0.022
C1008
QSK0124-001
R1804
D1007
Q1702Q1703
4.7K
680
D1003
IN5401-TM
R1803
C1004
0.022
IN5401-TM
D1004
D1002
IN5401-TM
C1002
0.0047/250
T1002
+OUTL
Q1801
KTB772/Y/
680
0.022
RY801
2SC2785/FE/-T
680
R1802
Q1804
IN5401-TM
D1001
R1801
680
8200/25
0.022
C1001
C1018
QQR0797-001
220P
C1210
220P
C1110
QQR0797-001
C1016
0.1
QQR1145-001
L1201
L1101
0.1
D1015
IN5401-TM
0.1
C1017
C1015
D1013
C1709
L1006
100P
IN5401-TM
D1014
0.0033
0.0033
F1001
IN5401-TM
IN5401-TM
F1004
F1003
C1211
C1111
D1012
J1001
QNB0133-001
QQL231K-470Y
R1091
R1090
K1009
QQR0779-001Z
L1005
QQT0360-002
QQR0779-001Z
L1004
QQL231K-470Y
L1003
QNS0030-001
J1002
K1010
W1001
150
150
CN804
QGA2501C1-05
C1014
0.1
QGA3901C1-04
AC1
S1
AC2
CN803
CN809
QGA7901C1-02
J1003
QNC0006-001
QQL231K-470Y
R1702
IC801
LA4628
C1042
C1207
330P
2.2/50
C1043
R1077
10K
D1405
560
R1301
MTZJ11A-T2
100/16
D1301
D1605
Q1023
C1302
1000P
KRA101M-T
D1606
Q1301
INR4
INL4
D1403
D1404
2SC2001/LK/-T
C1301
QGB2510K2-12
C1205
2SD2144S/VW/-T
C1106
KIA78S05P-T
C1402
100/16
Q1202
10/35
10/35
C1105
4.7K
R1210
R1110
4.7K
0.001
0.001
C1206
IC803
0.1
C1401
SAFETY2
3.9K
3.9K
4.7K
4.7K
2SD2144S/VW/-T
R1109
R1209
Q1102
R1049
330
D1401
MTZJ8.2B-T2
CN801 CN802
QGB2510K2-12
100/16
MTZJ10C-T2
D1905
KTA1023/0Y/-T
C1701
D1901
100/10
D1402
330P
C1107
C1046
MTZJ5.6B-T2
R1708
33/50
D1904
D1501
MTZJ8.2C-T2
D1701
1K
R1706
Q1708
D1902
C1047
10K
R1111
1/50
C1109
R1901
R1902
D1603
Q1706
2SC2785/FE/
0.1
9.1K
1.2K
R1707
2.2
R1112
C1108
MTZJ5.6B-T2
1K
C1901
100/16
Q1707
2.2
0.1
D1026
D1027
C1902
0.1
Q1607
KRC110M/-T
D1604
D1703
2SC2785/FE/
R1211
C1209
2.2
2.2
22K
22K
22K
22K
R1213
R1113
R1212
0.1
0.1
C1052
C1054
C1208
0.056
6.8K
IC802
L4909
C1602
C1601
0.1
100/16
470
R1615
R1616
10K
D1903
D1601
MTZJ8.2C-T2
QQR0621-001Z
QQR0621-001Z
QQR0621-001Z
QUY150-050Y
R1214
R1114
1/50
1/50
C1053
C1055
R1087
R1086
0.056
6.8K
4.7K
R1601
1.2K
R1602
R1617
1.8K
0.1
C1056
C1502
1.0
K1002
K1004
K1005
K1006
QGB2510J1-04
CN805
C1501
100/16
470
R1215
C1058
6.8K
1.2K
QGB2510K2-04
CN808
470
R1501
R1502
100/16
R1004
R1115
R1703
R1704
R1705
C1908
C1710
1.0
330/25
3.3K
Q1004
BC
DE
MAIN SIGNAL
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
F
G
HA
I
2-3