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UX-A52R
Block diagram
6
FMA-006
IFOUT OSCOUT MUTE/IFOUT FM/AM SQIN ST/MONO AMOSC FM OUT STEREO,CK CE,DATA LOUT ROUT
FMB-031-1 IC1 FMDET AM DET
TUL,TUR
LED MATRIX
LEDCTL RED BLUE GREEN
IC901 REMOCON
REM SDA SCL,RS RESET
J1003
LCD
T1002
L1006
AC INPUT
TU1 FM RF FM/AM ANT
J1
CN809
CN701
CN1
L1 AM RF & OSC
IC2 PLL
AMRF AFC AMOSC
CN918
TUDATA TUST TUCK MPX
RY801 CN808
CN907
MOTOR+ MOTOR-
IC3 RDS
CN908
FW907
CN906
RDDA RDCL
SW201 SW202
5
CN31
DOWN MIDDLE UP
M
CN805
T1001
LVA10166-A1 R/P HEAD
L+,LR+,R-
CN909 IC31 HEAD SWITCH MOTOR DRIVE SOLENOLIDE DRIVE
SQL,KEY1,PLAY,PHOTO
IC32 PB/REC AMP
CN803
MS,PBL,PBR RECL,RECR STTA SDATA SCK
RESET,SDA,RS DOWN,UP,MIDDLE PBL,PBR PHOTO
CN709
VOLTAGE CONTROL
CN744 CN743
CN34
M
IC33 PORT EXTENSION
FW31
CN33
4
REEL PULSE SWITCH
PLAY,KEY1 SAFETY1 SCK,SDATA STTA OUTL,OUTR
IC701 SYSTEM MICOM
VOLDA,VOLCE
IC702 FUCTION/ VOL/AHB
US6V
IC802 REG.
CN32
CN1
SW5V
W1001 CN804 J1002
AHB,FCD MDPOUT SMUTE POUT SAFETY4 LOUT ROUT
M SWITCH
IC704 MOTOR DRIVER
LOAD UNLOAD
RMT0,RMT1 LOCK RMSPEED
CN706
3
A+C B+D E,F LD,MD T+,TF+,F-
IC703 MOTOR DRIVER
MOTOR+ MOTOR-
LIN RIN
CN711 CN712
CN801 CN802
CD PICKUP
IC601 RF & SERVO AMP
OFT BDO ARF RFENV TBAL FBAL FE,TE GCTL RFDET
IC251 UNIT MICOM
/RESET STAT /DMUTE SUBQ SQCK BLKCK MLD MDATA MCLK FLAG IREFx4
TXDO,RXDO IC,/RESET
J1001
2
OPEN SWITCH REST SWITCH FEED MOTOR SPINDLE MOTOR
/OPEN
/REST FM+,FMSM+,SM-
IC801 FCS/SP/FE/TR BTL DRIVER
TRD FOD ECM ECS TVD
MCS KCMND MSTAT MRDY KCLK CDCOPY CDTNO CDEMP CDINDEX TX OUTL OUTR SRDATA LRCK BCLK
IC801 POWER AMP
INL INR
CN001
CN601
CN671
CDTXD CDRXD CDRST TX BUZZER,PIN FKEY1,FKEY2
to FLASH MICON
OUTL,OUTR SAFETY2 SAFETY3
+OUTL -OUTL +OUTR -OUTR
/RESET
CN807
FANCTL
M
CN651 CN606
CN704
IC651 DSP
DQSY,SBCK SUBC
KEY1 KEY2 PIN BUZZER
S2601~S2617 KEY MATRIX BZ201
CN705
CN905
CN605
1
J2003
DIGITAL OUT
A
B
C
D
E
F
G
H
I
2-1
3
1
2
4
5
6
Main & control circuit
Standard schematic diagrams
A
W708 QJQ009-032601 CN704
LOAD MTR+ MTRTX MCS
QGF1016C1-19
CN706
UNLOAD
QGA201C1-05
KLCK
CDTXD
CDRXD
MRDY
CDRST%
L2003 QQL244K-100Z 22/16
Q2708 C2753 1/50 1K Q2707 KTC3875/GR/-X C2752 1/50 1K Q2706 R2856 9.1 C2751 1/50 2.2K R2860 CDAGND 10 US6V R2852 2.2K D2860 MTZJ6.8B-T2
LB1641 IC704 K3003
KTC3875/GR/-X
R2745 2.2K
RMT0 LOCK
RMT1
R2718
R2744 2.2K
R2138
10K
K3002 R2743 2.2K
QGB2510J1-12 NQR0428-002X CN712
QQR0621-001Z C2855 0.01 R2717 KTC3875/GR/-X R2740 R2742 2.2K
B
C2604 470P
R2716 1K R2741
10 SAFETY2 R2861 2.2k
R2713 R2714 R2715
MTZJ7.5C-T2 D2852 R2862 2.2k
1K 1K 1K 0.01 IC703 LB1641
SAFETY3 R2853 2.2k
C2861
R2854 R2867 10 R2855 10
10K 10K
2.2k
C2852 0.01
CD+B C2605 1000P OUTR
TLMTR2863 R2864
C2853 AGND
R2866 10K 10K RCOL RED GREEN R2865
TLMT+
BCOL
BLUE
GCOL
OUTL 100/16
MOTORR2093 R2092 47K 47K
MOTOR+
D2601
R2615
D2602 SPR-39MVWF R2614 R2750 R2084 10K 220 R2719 220 R2720
FW907 SW202 QSW0933-001
47
Q2601 KRC102S-X
680
KTC3875/GR/-X Q2709 D2902
D2723
R2085 R2086 47K 47K R2087
C
47K
R2622 R2024 R2023 R2021 R2020 R2019 R2018 R2017 R2016 R2015 R2012 R2011 R2010 R2009 R2008 R2007 R2006 R2005 R2003 C2002 C2001 0.01 0.01 1K 10K 10K 1K 2.2k 2.2K 1K 1K 10K 10K 15K 10K 2.2K 2.2K 2.2K 2.2K 2.2K 2.2K
MTZJ7.5C-T2
220
D2724
R2723 270
R2001 R2002 10K 2.2K 1K R2100 R2083 2.2K
KTC3875/GR/-X Q2711
D2904 NSTM515AS DOWN MIDDLE UP R2721 DGND 270 R2722
QUM024-10DGZ3
R2724 270
KTC3875/GR/-X Q2710 D2903 MTZJ7.5C-T2
C2704 33P
270
SW201 QSW0803-001 10K
PIN
UP
X2701 QAX0283-001Z RMT1 POUT RMT0 ECHO SMUTE VOLCK DOWN MIDDLE KARAOKE VOLCE TUNERPOUT
FCD
TUST
MPX%
LEDCTL BUZZER
CDMUTE
FTUNER
RDSDATA
PBMUTE
R2751 220 R2082 PLAY STTA SCK SDATA R2081 R2080 R2079 2.2K 2.2K 2.2K 2.2K R2725 220 C2014 100P C2013 100P R2726 220 R2729 KTC3875/GR/-X 270 C2012 100P RS R2077 100 RS R2730 270 Q2714 KTC3875/GR/-X Q2712
R2025 VOLDA AHB% BUP BTCL% C2705 33P R2027 R2028 10K 1K R2026 2.2K
1K
D2725 D2726
D2906
MTZJ7.5C-T2
R2029 D2001 XKILL VDD 1SS133-T2 C2708 100/16 1K
D2908 NSTM515AS
QGD2504C1-04Z
C2709 0.01
IC701
UPD784214AGF527
CN906
VSS C2710 22P R2030 XT2 XT1 RESET% REM% R2031 R2032 R2033 R2034 1K 100P PHOTO C2004 C2711 22P 2.2K 1K 100K 100K
SDA RESET CS SCL
R2075 R2070 R2073 R2072
100 100 100 100
SDA RESET CS SCL
R2727 270
CN909
KTC3875/GR/-X Q2713 D2907 R2728
CN709
QGB2024J1-20S
QGB2024K1-20S
D
X2702 QAX0401-001 KTA1504/GR/-X Q2703
MTZJ7.5C-T2
270 DOWN R2752 MIDDLE 220 UP R2731 220 R2732 BLUE 220 SW10V GREEN
FKEY2 FKEY1 KEY1 TUDATA AVREF GCOL CDTXD CDRXD D2732
KTC3875/GR/-X Q2715
D2731
D2910
MTZJ7.5C-T2
C2712
D2701
R2735 270 RED
RCOL TUCK LOCK BCOL
SAFETY2
SAFETY3
KTC3875/GR/-X Q2717
D2912 NSTM515AS
CDRST%
2200/6.3 L2001 R2705 330 QQL244K-100Z C2713 2.2/50 10K KTC3875/GR/-X R2706
R2039
DGND REM% R2040 SCL CS RESET
R2060 R2061 R2097 R2098 R2099 R2051 R2052 R2057 R2041 R2042 R2043 R2046 R2048 R2050 R2066 R2064 R2062 R2044 R2089 R2624
R2736 270 R2733 270 R2734 C2005 0.01 SDA RS LEDCTL UP
1K 1K 1K 2.2K 2.2K 2.2K 2.2K 2.2K 2.2K 2.2K 2.2K 2.2K 2.2K 2.2K 2.2K 2.2K 2.2K 2.2K 2.2K
UX-A52R
2-2
Q2704 L2002 QQL244K-100Z
KTC3875/GR/-X Q2716 D2911 MTZJ7.5C-T2
270
R2707 10K
R2708 10K
REM% 10K 10K R2095 R2096 MIDDLE DOWN LCD5V
CDTXD
IC901 GP1UM271XK
D2702
C2901 100/10
K2001
QQR0621-001Z
R2709 10K KTC3875/GR/-X R2710 100K
Q2705
TUDATA
CDRXD
TUCK
CDRST%
BCOL
C2909
RCOL
MOTOR+
TLMT+ LOAD TLMTUNLOAD
C2902 MOTORR2901 10K C1009
0.001
100P
C2907 100P
C2908 100P
C2904 100P
UX-A52R
E
4.7/50 C2714 R2711 47K
QGF1016F1-14
QGF1016F1-14
D2705
C2009
C2010
CN918
C2011
CN908
1
100K
C2015 47/10
R2045
R2088
R2047
10K
10K
R2712 33K MTZJ5.1C-T2
D2703
AHB%
C2905
100P 100P 100P
C2906
1
V5OUT
1
RS RESET VDD
CS
SCL
SDA
V5
D2708
CN907 QGA2501F1-02
C1+ C1-
VSS
R2049 10K
QGB2510J1-12
KI901 QLD0184-001
MGNDB
VOLCK
SW5V TUNER+B
FCD TUNERPOUT
F
SMUTE POUT A9V AHB
CN711 J2003 GP1FA550TZ R2237 VOLDA R2505 VOLCE K2002 QQR0621-001Z
R2128 4.7K
R2235 51K
2.2K
R2127 1.8K 10/16 C2219
15K
R2227 1.8K
C2502 100/16
2.2K
2.2K
C2104 0.27 R2126 2.2K
C2103 0.082
R2503 2.2K
R2225
R2226
22/16 R2125 2.2K C2101 22/16 C2604 R2129 7.5K
D2201 R2234 10K 1000p C2750
C2201 C2203 C2202 0.082 0.082 0.082 C2105 C2600 R2130
BUZZER
DGND C2204 0.27 C2205 104 0.082 C2207 C2106 7.5K
FKEY2 PIN% FKEY1 DGND
R2228 4.7K
IC702
C2603
0.082 R2229 7.5K 104 C2102 0.082 C2206 0.1 104 C2107 0.1 C2108 R2131
D2202 10K LC75345M-X
VCC5V DOUT
Q2203 KTC3875/GR/-X
104 7.5K C2208 0.1 CN705 QGF1201C3-05 C2109 1.8K R2132 1.8K C2110 C2125 4.7/50 C2126 10/35 C2127 4.7/50
R2137 R2134
0.1 C2209 0.0027 4.7/50 C2210 C2225 C2226 C2227 4.7/50 4.7/50 10/35 4.7/50
R2230
1.8K
C2602
R2231
0.082 0.0027
R2232 CN905 QGF1201F3-05
PIN%
1.8K
15K
C2229 C2129 4.7/50 C2130 4.7/50
C2119 0.012 0.012 C2211
4.7/50 C2230 C2231 4.7/50 22/16
KTC3875/GR/-X Q2103
120K
R2233
R2135
220K S2609
R2601 1K
S2601 1/50 C2131
R2620
R2621
R2133 220K 150K R2136 S2610
R2602 R2608 1K 1K
82
82
G H I
S2602
R2206 15K
15K
R2106
R2415 82K
R2416 82K
S2611
1.2K R2609 1K R2603
S2603
PHOTO
R2417 390K
Q2403 KTC3875/GR/-X
S2612
1.5K R2604 R2610 1.2K
S2604
TUDATA TUST
R2418 100K C2404 0.01
TUCK MPX%
S2613
1.5K
S2605
R2605 2.2K R2611
R2110 1.2K R2210 1.2K S2614
R2606 R2612 2.2K 2.7K
TUL
TUR
S2606 R2104 10K
C2453
R2204 RDSCK 10K
R2105 R2205 R2108 R2208 0.0082
RDSDATA C2112 C2212
R2407 3.9K 3.3K 1.8K 4.7K 1.8K 4.7K R2111 6.8K C2114
R2411 5.6
D2046
R2408
D2452
D2451
S2615
3.9K R2607 R2613 2.7K
S2607
220P
39K 0.01 R2103
220P
R2203 39K
CN701
QGF1205C1-13
1.8K
R2109 1.8K
R2209 C2214 R2211 6.8K
S2616
R2617 5.6K
S2608
J2001
0.0082
BZ201 QAN0045-001
PBL
PBR
RECL
SCK
RECR
SW10V
SAFETY1
STTA
KEY1
PLAY
SDATA
S2617
UX-A52R
Power amplifier & Power supply circuit
Q1701 DTA144WSA-T R1702 5.6K
10/50
QQR0797-001 L1201
IC801 LA4628
R1703 5.6K R1704
DTA144WSA-T
0.0033
C1207
C1107
10/50
R1201
3.9K 3.9K
10/35 10/35 C1105
C1111
R1101
0.0033
C1205
INR4 INL4 330P 330P
C1110 220P
R1705 5.6K
C1707
Q1703
6
2SD2144S/VW/-T 2SD2144S/VW/-T
Q1202 4.7K R1210 R1110 Q1023 KRA101M-T
5.6K
C1211
DTA144WSA-T
C1210 220P
J1001 QNB0133-001
C1706
Q1702
DTA144WSA-T Q1704
K1010
QQR0779-001Z
W1001
L1101 QQR0797-001 +OUTL
QNS0030-001 QQL231K-470Y L1004 R1091 150 150
R1113
R1213
R1114
R1111
R1112
R1211
4.7K
4.7K
R1212
100/16
C1052
C1053
33/50
1/50
1/50
R1214
22K
22K
22K
2.2
22K
2.2
2.2
2.2
R1115
1/50
2.2/50
R1109
C1055
C1056
0.001
0.001
4.7K
R1215
0.1
0.1
0.1
0.1
R1090 K1009
QQL231K-470Y L1003
R1209
C1054
R1086
R1087
0.1
470 470 100/16
Q1102
C1106
C1042
C1043
C1046
C1047
C1109
C1206
C1108
C1209
C1208
0.056
0.056
C1058
QQR0779-001Z
J1002
CN804 QGA2501C1-05
6.8K
6.8K
L1005 QQL231K-470Y
R1049 D1026 330
5
D1403 R1077 10K D1404 D1405
D1027
IC802 L4909
C1018
C1017 0.1 D1015
Q1705
C1016
8200/25
IN5401-TM
IN5401-TM
IN5401-TM
KIA78S05P-T
0.1
Q1301
IN5401-TM IC803 D1013
C1302
1000P
2SC2001/LK/-T
R1301
560
0.1 C1015 Q1801 KTB772/Y/
C1710
C1908
4
C1401 0.1 D1401 MTZJ8.2B-T2 C1402 100/16
100P
0.01
D1801 MTZJ13B-T2
R1901
MTZJ11A-T2
R1501
C1801
9.1K
R1805
4.7K
C1709
R1601
4.7K
6.8K
C1501
1.0
C1502
C1803 220P
R1804 680
2SC2785/FE/-T Q1804
D1904
C1901
C1902
330/25
100/16
C1602
C1301
D1301
C1601
1.2K
R1602
R1502
680
R1803 680
R1807
100/16
100/16
100/16
Q1803 2SC2785/FE/-T
R1802
0.1
R1801 680
2.7K
S1 Q1607 D1005
D1603
R1615
MTZJ5.6B-T2
470
D1901 MTZJ10C-T2 D1501 MTZJ8.2C-T2
KRC110M/-T
AC2 1.8K
C1005
C1006
D1902
2200/25
IN5401-TM
MTZJ8.2C-T2 QQR0621-001Z K1002
KTA1023/0Y/-T
Q1706
IN5401-TM 0.022 C1002
R1706
QQR0621-001Z QQR0621-001Z
K1004 K1005 K1006
100/10
D1701
10K QUY150-050Y
MTZJ5.6B-T2
D1605
Q1707
2SC2785/FE/
C1701
C1001
D1703
2200/25
D1002
D1001
D1604
D1601
D1003
D1903
C1003 0.022
3
F1003
D1905
D1004
0.022
CN803
R1616 10K
0.022 IN5401-TM
IN5401-TM
R1617
1N5401-TM
C1004
AC1
QGA3901C1-04
R1806
R1902
1.2K
1.2K
C1802
47/25
1.0
680
0.1
F1004
D1012 0.1
D1014
C1014
DTC144WSA-T
2SC2785/FE/
QQT0360-002 C1008 QSK0124-001 0.0047/250
R1708
Q1708
R1707
1K
1K
2
D1606
RY801
QGB2510K2-04
D1007
QGB2510J1-04
D1008
CN809
R1004 D1006 T1002 3.3K Q1004
D1402
L1006
2SC2785/FE/
1N4003
F1001
CN805
CN808
C1007
SAFETY2
1000/25
QGB2510K2-12
QGB2510K2-12
1
MAIN SIGNAL
J1003 QNC0006-001
CN801
CN802
QQR1145-001
QGA7901C1-02
Parts are safety assurance parts. When replacing those parts make sure to use the specified one.
A
B
C
D
E
F
G
H
I
2-3
UX-A52R
UX-A52R
CD control circuit
MRDY CDCOPY CDTNO CDEMP
6
R601 180k TBAL
100 1k 1k 1k CDINDEX
R602
82k
FBAL FE
R281
R282
R283
R284
TE
C605 39k 270p
C604
R256
1k
MCS
QGF1016F2-06 0.022 C603
SUBQ R603
CN671
0.022 F
82p
R604
220k
C606
R605
C607
E
NI
C271
C272
C601 0.001
C602 0.001 SQCK GCTL R257 KCMND MSTAT 1k R259 R263 1k 1k UPD7800F0034A 1k
AN22000A
0
1k
5
B+D A+C
KCLK
R262
IC251
1k 1k
R251 R252 R253
MCLK MDATA MLD
C256
0.1/25 100/10
0.1/25
1k
R254
/DMUTE STAT
6.8k
C622
C633
IC601
C621
6.8k
10k
10k
/RESET
R271
R272
R273
A+C
0.022 /OPEN /REST
R274
IREFx4 R264 5.6k R265 3.3k D251 DA204U-X
F 47k R608 E 47k R607 B+D
R635 10
0.0027 0.0027 0.1/50 0.039
/RFDET OFT C617 330p
C612 C614 C615 C616
R636 150
D601
NI R631 2.2
1/16 100/6.3 0.1/16
BDO TP1 ARF RFENV C273
10k C255
D292 MA112-X
FR632 F+ T+ C632 1/16 R634 CN601 @HFW15R-1STE1 Q631 3.9 2SA1037AK/RS/-X 3.9 C631 10/16
4
0.056/25
X251
R275
C624
C623
C611
C254
T-
@CSTS8.38MG
0.1/25
47/10
C610
IC291 TK11235BMC-X
QGF1016F2-19W CN651 KCMND MSTAT R258 1k
NI C681 C608
FLAG BLKCK
NI NI R617
R611 R613 5.6k 5.6k
Q651 DTC114EUA-X
D291 MRDY KCLK MCS
C291 1/25
5.6k
C682 15p Q652 C683 22p TP2 0.01/50 DTC114EUA-X C293
R260 R255 R285
1k 1k 1k
C292 1/25
C658 0.1/25
/DMUTE /RESET BLKCK MDATA SQCK SUBQ STAT MCLK MLD
NI
LRCK BCLK SRDATA
D603
R675
1k
1k
1k
1k
K656
K657
NQR0007-002X
K658
10
NQR0251-004X NQR0251-004X NQR0251-004X 100/6.3 C657
R651
R652
R653
R654
0.33/16
K655
3
TVD
C678 0.1
C655
0.1/16
C653
ECM ECS
R862 680
C862 560 R864 C864 2700p CDINDEX CDTNO
QGF1016F2-08W CN606
TRD FOD
C802
IC651
C673 100/10
1000p
MN662790RSC R666
C861 1000p R861 680 K652 NQR0288-004X R863
C863 2700p
R812 1.5k FBAL C815 C677
R677
CDCOPY LRCK CDEMP
220
1000p
R803
4.7k
TRD
FE TE RFENV R682 1k
1k
2.2/10
TBAL
0.1/25
560
SRDATA
BCLK
R655
C801 0.022
390p
390p
C816 1.5/6.3 R802 1.5k FOD /RFDET BDO GCTL
R683 1M
10k
R813 1.8k
T+
F+
T-
F-
OFT
C676
0.1/25
FLAG
IC652 TC7S00F-X QGA2001F2-02X
33k
C811
1/16 C821
R801 2.7k
R804
10k
2
SW102 QSW0931-001 /OPEN
LA6541-X
C814
R656
R661
68k
CN607 K651
C654 0.1/16
R657
R659
33k
R658
NQR0288-004X QGF1016F2-04W CN605
C822 220/10
R678 R679 C661
R685 68k
1k
ARF 470p
1k
100
SW101
R671
IC801
R667 4.7
100/10
DTA114EKA-x Q673
330
680k
C667
QSW0927-001
/REST
R665
QAX0599-001Z
0.1/25 C656
D602
X651
0.47/16
0.1/25
R662
NI M851
68k
C679
C680
NI
R673
R663
R664
C651 1p
C652 1p
C668 NI
C818 QAR0176-001 1/16 ECS FM+ 47k M852 R811 R807 0 R809 1.5k
0.022
0.022
1.5M
C664
C663
390p
C812
SM+
C813
1
C817 QAR0175-001 1/16 SM+
390p
R805
5.6k
TVD IREFx4
FM+
SM-
FM-
R668
C665
SM-
0.15/16
R669
R808
18k
ECM
R672
FM-
5.6k
68k
68k
CD SIGNAL
A
B
C
D
2-4
E
F
G
H
I
UX-A52R
Tape circuit
IC1
0.0022 R3205
R3201
R3210
22/16
22/16
560P
2.7K
QSW0859-001
C3205
100K
22
SW4
SW5
SW1
SW2
SW6
R3209
6
820P 220P
SG-105F3-BB,C
C3207
C3304
C3213
C3203
220/6.3
C3305
0.039
Q3201 DTC114TKA
1K
C3211 0.0015 R3211 36K
R3212 2.2K
R3203 2.4K
R3202 1.8K
3.3K
C3204 0.033
R3206
R3208 5.6K
C3208 4.7/25
C3201
C3202
C3206
C3306
10/16
IC331
BA3126N R3304 100 R3378 47 CN715 QGA2001C1-13
R3219
5
QGA2001C1-07 CN716 C3301 100/10
R3301
4.7/25
220
1K
47/16
IC332 AN7317
C3209
C3210 R3207 12K 0.0068
C3374 C3106 220/6.3 10/16
C3104 0.033 R3103 2.4K R3102
R3107 12K
C3302
C3303
1.8K
0.039
C3110 0.0068
R3371
10K
R3106
R3108 5.6K
C3108 4.7/25
VR337 R3111 36K QVP0008-103Z
C3103
3.3K
C3109
220/6.3
C3111
4.7/25
820P
C3113
R3112 2.2K
0.0022
560P
0.039
D3000 1SR139-400-T2
100K
C3101
R3101
C3107
R3109
R3110
4
R3116 1K
220P
Q3101 DTC114TKA
39K
0.0015
1K
2.7K
22
C3102
R3105
C3105
R3303
Q3375
2SB562/C/
Q3371
2SA952/LK/
C3376
0.01
MA3051/M/ Q3376 2SC2412K/RS/
1K
R3305 2.2K
R3372
D3375
R3338 3.9K
QVP0008-203Z VR331
Q3372 DTC124EKA
R3337 3.3K
R3375
R3376
R3121 22K R3221 22K
330P C3221
L3303 QQL244K-100Z
R3353
330P
3
L3301 QQR1118-001 R3327 470K Q3302 2SC2001/K/ R3315 100 R3314 15K C3308 0.0015 IC333 BU4094BCF
4.7/25
C3121
C3371
150
68K
100/10
100/10
1.5
2.2
C3310
R3335
0.022
C3313
C3314
R3313
1.5K
20K
R3341
12K
0.0047
0.022
Q3321 DTC144EKA
R3335
4.7K
47/16
R3339
2.2K
C3331
R3310
C3319
2
C3316
4.7
Q3305 2SC2001/LK/
TAPE P. B. SIGNAL
1
Parts are safety assurance parts. When replacing those parts make sure to use the specified one.
A
B
C
D
E
F
G
H
R3342
R3343
18K
I
2-5
UX-A52R
UX-A52R
Tuner circuit
6
TU1 QAU0160-001 C17 0.0039 C18 0.47/50
R23 1.8K
C48 0.0022
C54 C53 0.047 22/16 C56 10P L2 33 C55 33P
C52 0.27 C51 1/50 C58 0.047 C50 22/16
C49 470P
R60
5
R5 1SS133-T2 56 C57 0.001
R40
39k
0.022
C47 1/50
C46
C60
0
C45 10/16 C44 10/16
R38 39K R39 39K
330
220K
D1
D2 Q1
C19
0.047
C25 100/10
R10 2.2K
R4
C20 1000P
R3
R26 2.2K
R25 330
2SC2814/4-5/-X
0.022 C3
1SS133-T2
C1
10/16
0.01
C2
C4
0.01
C15 12P
C43 0.0018 R41 3.3K C42 0.0018
R2
330
R6 12
CF1 QAX0420-001
X1
C10 12P L3 4.7 Q2 2SC2412K/R/-X D4 1SS133-T2 Q3 2SC2412K/R/-X Q4 DTA114YKA-X 1SS133-T2 D3
QAX0402-001 IC2
LC72136N LA1838
R22
4.7K
C16 12P
R11
R12
4
J1 QNB0014-001
4.7k
4.7k
R37
C32 0.047
C33
0.047
10K
1K
1K
1K
22/16
C31
CF2 QAX0458-001Z R21 5.6K
R34
R19
R18
R20
47
R36
C22 150P C23 150P C24 150P R30 1.2K
C34
C35
C37 1/50
5.6k
0.001
C9
R35
C36 1/50
C39
1/50
Q5 DTA114YKA-X
T1 QQR0793-001
C38 3.3K 0.22/50
R24
10K
0.022
0.047
C40 10/16
C41 10/16
IC1
3
R13 10K
R70 10K
1K
L1 QQR1094-001
1K 1K
R29 10K
C21 0.022
C73 0.1
C70 22P
R71
CF3 QAX0610-001Z
R72
R28 10K
R27 10K
100K
R14
QAX0263-001Z
C72 560P
C12 0.047
C13 12P
R73
R33
330
C30 100/10
IC3
LC72723
R15 3.3K C11 0.1 C14 100/10 R16 4.7K R17 68( 1/4W) F.RES. C26 0.01
R32 1K C76 330P C74 0.1 C71 22P
C75 C7 0.001 C6 0.001 10/50 C27 0.01 R31 1K L70 C59 0.001
STEREO
1SS133-T2
2
D11
100
ROUT D.GND
DATA
LOUT GND
RDDA
RDCL
5.6V
CE
CK
9V
CN1 QGF1205F1-13
AM SIGNAL
1
FM/TUNER SIGNAL RDS SIGNAL Parts are safety assurance parts. When replacing those parts make sure to use the specified one.
X70
SHEET 1/7
A
B
C
D
2-6
E
F
G
H
I
UX-A52R
Printed circuit boards
Main board
6
5
4
3
2
1
A
B
C
D
E
F
G
H
I
2-7
UX-A52R
UX-A52R
Power amplifier & control & AC jack board
6
5
4
3
2
1
A
B
C
D
2-8
E
F
G
H
I
UX-A52R CD servo control board
Forward side
M851
CN651
6
R604 IC291 C658
R258 R260 R255 R285
R634
C292
C605 R603
C822
C606
Q631
R632 R291 R292 R293
C821
R805
R808
CN601
C610
C611 C608
R812
C802
R611 R613
R803
C624
C815
R813 C816 R283
C617
R282
C661 R672
R682
IC651
C254
R284
R261
R256
5
C679
C676
R272 R271
C653 R651
R254
C651
R661 R659
R677
C678
K657 K658
SW101
K655 K656
C261
CN607
X251 M852 SW102
X651
4
C652
R665
C677 C673 C663 R662 R668 R685 C665 R664 C667 C668 R669
R671
Reverse side
R635
3
M851
R636
C633
CN651 C813 R811
R607 C601
CN671
R259
C604
C631
C818
R262
IC801
C822
D292
R601 R602
R276
R263
TP2
C621
C622
C632
R608 C602
CN606
C612
R281
R617
C657 R652 R653 R654
R257
C271
R804
R802 C272
R809 C812 R801 C801
IC601
C622
C631
C603 C681
R273 R274
C256
C254
C255
C811
C814
R678
D601 R631
C623
2
C624
C616 C615 C614
C612 TP1 C682 C683 Q652 Q651
D603
R675
D602
C657 C655 C863 C864 R683
R275
R663 C664
R863
R864
SW101 IC251 X251 R251 R252 R253 C861 D251
C273
R679
Q673 C654
C862
C656
R265
R861
R862
R666
R264
R657
R658
C817
M852
C673 R656 R655 K652
A
B
SW102
C
D
K651
1
IC652
R673
R667
C680
C679
CN605
C291
E
2-9
UX-A52R Tuner board
6
5
4
3
2
1
A
2-10
B
C
D
E
UX-A52R Traverse mechanism board
(Forward side)
6
(Reverse side)
S602
5
CN601
4
(Traverse mechanism board)
3
Cassette switch board
MT601
MT602 S601
SW1
SW2
SW3
2
T01
D1
P1 CN1 SW6
SW4
SW5
IC1
1
A
B
C
D
E
2-11