Kenwood RXD-M505USB-B User manual

This product uses Lead Free solder.
This product complies with the RoHS directive for the European market.
COMPACT Hi-Fi COMPONENT SYSTEM
RXD-M505USB-B/M505USB-S
LS-M505-B/M505-S
SERVICE MANUAL © 2007-10 PRINTED IN JAPAN
B53-4023-00 (N/J)122
USB jack
(E58-0096-08)
CD door
(A29-1280-08) : S
(A29-1284-08) : B
Cassette door
(A53-2490-08) : S
(A53-2492-08) : B
Phones jack
(E11-1012-08)
Front cabinet
(A60-2529-08) : S
(A60-2532-08) : B
Volume knob
(K29-8628-08) : S
(K29-8643-08) : B
DANGER:
Please do not look at the laser beam directly during
repair or operation check.
(M-505USB)
S : Silver
B : Black

2
RXD-M505USB/LS-M505
ACCESSORIES / CAUTIONS
Accessories
FM ANT Wire (1)
(T90-0925-08)
AM loop antenna (1)
(T90-0926-08)
Remote control unit (1)
RC-F0320E
(A70-1727-08)
Batteries (R6/AA) (2)
(–)
Cautions
Resetting the Microcomputer
The microcomputer may malfunction (unit cannot be
operated, or shows an erroneous display) if the power
cord is unplugged while the power is ON, or due to
some other external factor. If this happens, execute the
following procedure to reset the microcomputer and
return the unit to its normal operating condition.
When the power is on and TUNER input is
selected, press and hold down the (■stop)
button on the unit for more than 2 seconds.
Unplug the AC cord and plug it back in if “INIT.
OK” is appears.
• Please note that resetting the microcomputer will
clear the contents of the memory and return the unit to
the state it was in when it left the factory.
SYSTEM vs COLOR
SYSTEM RECEIVER SPEAKER COLOR
M-505USB-B RXD-M505USB-B LS-M505-B BLACK
M-505USB-S RXD-M505USB-S LS-M505-S SILVER
The marking of products using lasers
CLASS 1 LASER PRODUCT
LASER KLASSE 1
APPAREIL A LASER DE CLASSE 1
LUOKAN 1 LASERLAITE
KLASS 1 LASERAPPARAT
The marking this product has been classified as Class 1.
It means that there is no danger of hazardous radiation
outside the product.
Location: Bottom

* Refer to parts list on page 20.
3
RXD-M505USB/LS-M505
EXTERNAL VIEW
AUX IN FM ANT.
757AM ANT.
RL
L
SPEAKER
IMPEDANCE
47
R
L
R
RCA jack
(E63-1426-08)
Speaker terminal
(E70-1034-08)
Rubber foot
(J02-1590-08)
AC Cord*
(E30-)
Rear cabinet
(A80-4576-08) : S
(A80-4577-08) : B
Tuner module
(W02-4673-08)

4
RXD-M505USB/LS-M505
ADJUSTMENT
No ITEM INPUT
SETTING
OUTPUT
SETTING
RECEIVER
SETTING ALIGNMENT POINT ALIGNMENT SETTING FIG.
Cassette deck
1Demagnetization
and cleaning --
Power: OFF
Demagnetization
and cleaning
Heads, capstan and
pinch roller
Demagnetize heads with the head
eraser (Demagnetizer). Clean
heads capstan and pinch roller
using a cotton swab slightly
damped with alcohol
2 Azimuth of Heads MTT-114:
10kHz,-10dB
Connect the
oscilloscope and VOM
to PHONE jack.
PLAYBACK Screw fixing heads
Adjust the output to maximum and
turn the azimuth adjusting screw
for Lissajours waveform pattern of
the oscilloscope to become close
to a 45-degrees straight line.
3 Tape Speed MTT-111
3kHz
Connect the
oscilloscope and VOM
to PHONE jack.
PLAYBACK Potentiometer in
motor
Adjust the tape speed so that 3kHz
is obtained at the center of tape.
4 Bias Frequency Normal tape Connect the frequency
counter across C202 RECORD L203 The frequency counter shows 85kHz+-0.5kHz

5
RXD-M505USB/LS-M505
EDCBA
1
2
3
4
5
6
7
SW515
DISPLAY
USB
LED507
IC502
SW501 SW502
SW504 SW503
Q502
Q503
CN1
CN502
LED502
LED501
SW712
SW514SW518SW509SW517
SW508SW512SW516SW513
SW506SW505SW507SW511
LED503
LED504LED505
LED506
LCD501
Q501
D508
D509
IC501
D503
D502
J542
C507
J534
C508
J509
J510
J511
J517
C518
J508
VR501
C503
J519
J523
J522
J521
J518
C520
J520
J524
J525
J526
J527
J528
J529
J530
J531
L501
J507
J515
J516
J505
J504
J532
J533
J535
J538
J536
J537
STANDBY
TUNER/BAND CD/USB TAPE MODE AUX
USB O.T.E TAPE REC
DEMO
OPEN
ALBUM DOWN ALBUM UP EQ X.BASS
SEARCH - SEARCH + RPLAY/PAUSE FPLAY/PAUSE STOP
R516
R512
J512
J513
R514
R504
GOI
R503
J541
J502
12 1
J503
R502
R501
J506
J514
J545
R515
R508
R506
14
14
SENSOR
R538
R520
R519
R507
R518
R517
R509
R511
R510
BCE
BCE
R513
C521
C519
C502
C501
C532
C505
C506
C512
C511
C510
C516
C517
C522
C504
C530
C513
C509
C515 C514
1
16 17
381
32
33
48
49
64
BE
PC BOARD
Refer to the schematic diagram for the values of resistors and capacitors.

6
RXD-M505USB/LS-M505
FGHIJ
1
2
3
4
5
6
7
PC BOARD
D2
D3
D1
U1
CN4
CD (SIDE A)
U2
CN6
U7 U8
U3
U11
U6
D4
D5
Q3
CN7
CN11
U9
Q4
Q17 Q21 Q20
CN13
CN2
CN12CN3
Q9
Q7
Q8
Q6
Q5
L7
R5
R14
L21
L4
L2
L3
L5
L6
L14 EC22
EC4
L22
L20
L8
L19A
L16
TP13
TP12
TP14
TP11
TP8
TP5
TP7
TP9 TP10
TP6
F1
L13
EC20
BC51
EC2
EC3
EC12
EC1
EC11
EC18
XT1
EC7
EC6
EC19
C19
C15
C18
BC29
BC41
C14 C10
R23
C17
C11
R26
C12
R25 R21
C9
R22
C7 BC11
R24 C13 C8 BC42
R56
R55
BC50
EC5
EC17
EC14
EC16
BC48
R58
C44
R76 R77
R7
R67
R70
R8
R84 R81
C64
R79
R9
R78
BC33
EC8
EC10
EC27
EC29
BC2
C50 C49 C47
R75 C48
BC53
C16 R93
R95
R96 R83
R82 R80
BC14
EC25
EC13
EC23
EC31
EC21
BC40 R1
R57
C43
R60
R59
R54
C42
R61 R62
BC8
BC49
R53 R52
R28
EC15
R2
BC44
R4
R44 R45
BC46
BC39
BC45
BC20
R18 R19
BC43
R49
R50
R41
C40
R46 R43
R72
R71
R74 R73
R40
BC37
BC13
BC9R3
R17 BC19
C37
R42
C38
BC18
BC17
BC10
R68
C46
R65
R66
C65
C63
BC34
C24
C23
C22
C21
C20
BC24
R63
R20
BC22
BC21
BC25
BC6
BC23
BC1
BC31
BC30
BC27
R37
C36 R35
C35 R34
C34 R33
C33 R32
C45 BC28
R64
R31
C32
C30
C28
C26
BC26
C31
C29
C27
C25
R30
BC7
R29
BC35
C41
R51
BC36
BC32
BC38
C6
C5
R11
R10
R12
R13 BC47
R48
R47
R6 BC12
BC3
BC5
BC4
R16 R15
BC16
1
161
13
16
14151413
14
28 15
1
25
50 26
154
55
108
109 162
163
216
1
27
54 28
1
24
48 25
1 4
8 5
GOI
14
GIO
BE
BE
BE
BE
BCE BCE
BCE
BCE BCE
BE
R69
Refer to the schematic diagram for the values of resistors and capacitors.

7
RXD-M505USB/LS-M505
ONMLK
1
2
3
4
5
6
7
PC BOARD
Refer to the schematic diagram for the values of resistors and capacitors.
CD (SIDE B)

8
RXD-M505USB/LS-M505
PQRST
1
2
3
4
5
6
7
PC BOARD
CN402
Q412
CN404
CN401
Q401
CN406
IC402
ZD410
D403
D404
D405
D406
CN403
CN103
JK302
CN302A
D413
ZD406
D301
JK400
IC301
Q430
Q431
Q418
Q420
D412
IC401
D107
D108
Q405
Q406
Q419
Q303
Q403
Q404
Q302
IC403
Q425
Q301
Q426
Q428
Q427
Q410
Q414
D410
D411
Q415
D408
D401
D402
Q411
C419
L414
L413
C464
L412
C36
7
C368
C301
3
51
111
102
1
C3
0
R490
C327
C
3
B
31
E
R
C450 C445
L403
C436
C437
C429
C465
L409
19 1
18 2
L404
L405
L407
C444
C463
C338
J428
J429
C431 C441
L401
L402
J427
J406
C418
R365
C340
R366
J435
C489
C488
C401
C402
C409
R420
J431
J321
C326 C325
C440
C328
C320
R409
R421
R410
L436
R353
J302 J303 J304
J305
J430
J404
15
J405
J403
J424
J410
R464
J426
J407
J425
R462
J318
EBC
J411
J432
J417
R406
J416
J433
R314
R372
R330
R331
J301
C470
MAIN
PHONE AUX
R498
R471
R470
R473
R472
R476
R479
C424 R496
R440
R459
C4
5
R
R3
5
R3
5
R359
R360
R361
R363
R362
R475
R369
R370
R367
R340
R371
R491
R310
R463
R405
R401
C405
R407
R403
C403
R402
R404
C404
L408
R460
R461
C438
C439
C420
R483
R484
C427
R469
L210
L211
J105 R344
R301
C334
C333
J104
R474
R455
R456
R477
R478
C451
R434
R429
C453
R424
R423
R425
R422
C480
R454
R458
R480
C462
C443
R468
R481
C448
C423
R437
R439
C452
R441
C449
R482
C479
C477
C315
C311
C310 C316 C312 C321 C323 C322 C324
R312
R315
R316
R368
R341
C460
R445
R448
R499
C442
R494R495
R418
C412
J434
C413
R419
C425
C426
R408
C406
L410
R485 R503
R486
R411
C417
R413
R412 R414
C416
R417
R415
R489
R497
C421
C422
C319
C307
R357 R302 R343 C308 C309 C317 C318
C190
R282
R283
C191
R280
R281
L209 L208
L207
L206
J450
114
28 15
1
4
8
5
1
4
8
5
BE
BE
BE
BE
BEBE
BE
BE
BE
BE BE
BE
BE
BE
BE
BE
BE
BEBE
BE
L
R

9
RXD-M505USB/LS-M505
YXWVU
1
2
3
4
5
6
7
Refer to the schematic diagram for the values of resistors and capacitors.
CN202
CN101
Q104
CN106
Q102
CN305
CN302
CN102 D106
CN105
D104
D202
CN402
IC404
IC201
ZD401
ZD402
Q402
Q413
Q416
Q417
ZD412
D407
Q412
CN405
D105
Q106
ZD407
D415
IC101
IC102
Q214
Q220
D101
Q101
Q103
I
C403
Q
427
Q204
Q201
Q206
Q205
Q219
Q217
Q222
Q221
Q218
Q216
Q202
Q203
Q207
Q215
Q213 Q209
Q212
Q210
Q232
Q231
Q230
Q211
IC405
Q408
Q407
C217 J210
C206
R237
C221 L201
C218 C207
C208
R238
R186
C109
R187
C108
C107
C112
C304
C305 J313
C140
C306
C367
C302 J106
J107
J108
J109
J110
J112
J113
J125 J123
J119
J118
J325
C103
R222
J205
J206
C245
C240
C244 C228 C222
C209
J122
C341
J232
J230
J314
J310
J309
J308
J306
C339
R313
C303
C331
R219
R270
C254
C255
C247
C246
J207
J208
R210
J203
C243
C239
1
IGO
7
14 8
C227
C211
J323
C457 C458
C415 C414
J423
J421
J422
C400
CBE
C
BE
BE
BE
BE
R416
R428
C410
R426
R427
R452
R453
C407
R492
R438
J212
R211
C235
C202 J211
71
R227
R235
J204
L202
J121
J116
J124
J115
J114
X101
R354
J324 BCE
J213
L101
J302
R200
J303 J304 J305
R228
R248
R246
J231
J202
C446
J315
J209
R223
R220
C205
R209
C204
J329
J420
J404
10 1
15
3
112
51
14
110
113
J405
J403
Q108
Q107
D103D102
Q105
R196
R487
R433
R431
C455
C454
C210
R216
R214
R215
R218
R213
R212
C259
C288
FB202
C213
C226
R226
C215
R229
R243
R241C233
R221
R251
R257
C261
R206
C225
C257
R203
R261
C250 C216
R230
C214
FB204
C258
R240
R244
C238
R242C234
C244A
R264
R258
R259
R333
R355
R356
R359
60
R457
R344
R301
R128
R127
R148
R141 R164
R173
R165
R175
R166
R176
R167
R177
R185
R178
R169
R104
R117
R103
R118
R116
R110
R115
R109
R114
R108
R113
R107
R139
R155
R135
R153
C106
C105
J117
J101
J201
R162
R172
R163
R195
R204R202
R201
R225
R236
C224
C223
FB201
C281
C280
C283
C282
L205
C235
C237
C241
R247
R252
R245
R253
R233
R255
R239
R231
C249 R260
R224 C248
R249 R263
R358
R454
R430
R436
R435
C423
R437
C411
R493
R266 R267 R265 R268 R262 C270 R269
R488
C110
R197
R198
R199
R205
R179
R180
R234 R250
R254
R232
R256
FB203
L204
C236
C242
R349
R352
C363
R332
R350
R351
C364
C260
C111
R482
C315
C311
C310
R125
R126
R142
R140
R121 R129 R122
R130
R131
R123
C104
J103
R147
R348
R346
C365
R347
R345
C366
R192
R189
R188
R184 R181
R183 R182 R146 R145 R101 R120 R102 R119
R111 R105 R106 R112
R134
C101 R150 R138 R151 R137 R136 R152
R154
R124
R159
R158
R156
R171
R170
R161 R174
R160
R149
R193
R194
R191
J222
J218
J220
J102
J120
1
11 12
22
23
33
34
44
1
4
8
5
4
5
8
5
14
85
BE
EEBBCC
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BEBE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE

10
RXD-M505USB/LS-M505
ZAA AB AC AD
1
2
3
4
5
6
7
Q902
D917
ZD901
D902
D904
D903
D901
ICP900
D907
CN901
D905
D906
D908
D913
D915
D916
D914
D911
D909
D910
D912
R902
R903
R901
C920
RL901
EBC
BLUE AC1 AC2
L901
C923
C925
C918 C913
C915
C916
C914
C911
C909
C910
C912
C922
F903
C921
F902
BLK
RED-A
RED-B
ORG-B
F904
F901
ORG-A
WHT-AWHT-B
J2
J1
110
C917
TR901
BROWN
POWER
Refer to the schematic diagram for the values of resistors and capacitors.
PC BOARD

11
RXD-M505USB/LS-M505
ABCDE
1
2
3
4
5
6
7
CD (1/3)
(BOTTOM
CN11CN12CN3
CN7
CN4
D1
Q7 Q8
Q6Q5
Q9
D4 D5
VIEW)
Q3
D2
to MONITOR UNIT
MAIN-
CN105 2/4
MAIN-
CN404
2/4
to CD MECHA
1 2 3 4 5 6 7 8 9 10 11 12 13 14
VINFC
CFCERR1
CFCERR2
VINSL+
VINSL-
VOSL
VNFFC
VCC
PVCC
PGND
VOSL-
VOSL+
VOFC-
VOFC+
28
27
26
25
24
23
22
21
20
19 18
17
16
15
STBY BIAS VINTK CTKERR1 CTKERR2 VINLD PREGND PVCC2 VNFTK PGND2 VOLD- VOLD+ VOTK- VOTK+
123456
HOME
MGND
SLED+
SLED-
SP-
SP+
54321
LOAD+
LOAD-
TRAYOUT
MGND
TRAYIN
12345
LD +7V
IN
OUT
LD-
LD+
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
VREF1
A+5V
E
C
D
A
B
F
RFGND
PUH CDLD
RFGND
CDMDI
FOC+
RAD-
RAD+
FOC-
1
2
3
+5V
GND
GND
OUT
ADJ
IN
0.1
BC17
0
R16
L19
L20
100u6.3
EC19
100u6.3
EC11
220u10
EC10
BC16 0.1 BC45 0.1 BC46 0.1 BC47 0.1
470u10
EC2
EC14
100u6.3
EC20
100u6.3
100u6.3
EC3
L7
L13
L3
L2
R6
10
ADJ
OUTIN
2.7K
R19
BC18 0.1 BC38 0.1 BC39 0.1 BC36 0.1 BC37 0.1
220u10
EC12
0.1
BC19
100u6.3
EC1
L4
L14
BC11
100P
L16
BC14
0.1
47u10
EC22
R65
2.2K
R66
2.2K
100
R68
2.2
R69
C46
0.1
BC8
0.1
0.1
0.1
BC49
BC50
1
C20
C21 680
P
C23 680
P
C22 680
P
C24 680
P
TP
9
TP1
0
TP8
TP7
TP6
R35
2.2K
C36
0.1
0.1
C34
6800P
C33 2200P
1K
20K
R33
R32
47u10
EC17
C27 0.01
C25 0.22
C26 0.01
R30
33K
TP11
C30 820P
4700P
C29 300P
C32 0.1
C31 330P
470K
R64
C45
4700P
150K
R60
470K
R57
C43
4700P
150K
R63
1
R59
BC12
100P
R70
10K
MGND
R48
4.7K
49
46
45 R53
1 1
R52
R56
1 1
R55
BC1
0.1
0.1
BC2
0.1
BC40
1000P
BC41
0.1
BC27
0.01
BC30
0.1
BC7
1000P
BC31
0.1
BC28
0.1
BC29
220u10
EC8
220u10
0.1
BC42
0.1
BC9
0.1
BC13
33
R3
12
R14
330P
BC4
0.1
BC3
BC5
33P
13
10
12
11
L+
L-
50
S-
S+
S-
S+
53
37
49
50
51
53
46
47
48
45
43
42
C35
2
1
4
3
R20
0
R29
0
21
23
10
16
13
12
17
11
25
BC34
0.1 0.1
BC33
BC23 0.1
BC6 0.1
0.1
BC22
0.1
BC21
BC51
0.1
0.1
BC10
0.1
BC44
0.1
BC20
R17
10
2.2
R2
2.2
R1
100u6.3
EC7
5.1
R28
0.1
BC24
47u10
EC15
4.7K
R47
22K
R54
330P
C42
10K
R61
6.2K
R62
22K
R58
330P
C44
220u10
EC5
47u10
EC21 4.7K
R37
R34 2.
2
C28
47u10
EC16
0.1
BC25
0.1
BC26
L+
L-
27
43
47 38
42
51
48
0.1
BC48
37
38
27
1
4
2
3
21
23
16
17
25
+5V
+5V
+5V
+5V+5V+5V
+5V
U+5V
U+5VU+5VU+5V
U+5V
M+5V
M+5VM+5VM+5V
M+5V
M+5V
M+5V
M+5V
F+5V
F+5VF+5VF+5V
F+5V
+1.8V
+1.8V+1.8V+1.8V
+1.8V
V+1.8V
V+1.8VV+1.8VV+1.8V
V+1.8V
F+3.3V
F+3.3V
S+3V S+3V
+3V
+3V
+3V+3V
+3V
V+3V
P+3.3V
RF+3.3V
U+3.3V
A+3V
RF+3.3V
RF+3.3V
U+3.3V
A+3V
RF+3.3V
+3AV
+3AV +3AV
V+3V V+3V
P+3.3V P+3.3V
RF+3.3V
RF+3.3V
RF+3.3V
RF+3.3V
RF+3.3V
RF+3.3V
U+3.3V
U+3.3V
A+3V
A+3V
A+3V
U+3.3V
R18
9.1K
R67
100
1/4W
EC4
++
+
++
+
+
+
+ +
+
+
+
+
+
+
++
U9
U1
U2
CD
Y-2
P-1

12
RXD-M505USB/LS-M505
FGHIJ
CD (2/3)
216 215 214 213 212 211 210 209 208 207 206 205 204 203 202 201 200 199 198 197 196 195 194 193 192 191 190 189 188 187 186 185 184 183 182 181 180 179 178 177 176 175 174 173 172 171 170 169 168 167 166 165 164 163
162
161
160
159
158
157
156
155
154
153
152
151
150
149
148
147
146
145
144
143
142
141
140
139
138
137
136
135
134
133
132
131
130
129
128
127
126
125
124
123
122
121
120
119
118
117
116
115
114
113
112
111
110
109
55
56
57
58 59
60
61
62
63
64
65
66
67
68 69
70
71
72
73
74
75
76
77
78 79
80
81
82
83
84
85
86
87
88 89
90
91
92
93
94
95
96
97
98 99
100
101
102
103
104
105
106
107
108
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
FLTIN
FLTIP
RFO
RFRP
AGCCAP
GMRES
RF AVDD
DS AVDD
SLVL
CNN
RFI
PLL DS AVSS
LGN
LPFNN
FDFLT
PDFLT
VREFO
LPFN
LPFO
PLL AVDD
VSSTVA2
TV DAC5
VDD TVA2
TV DAC4
TV DAC3
VSS TVA1
VDD TVA1
VSS TVA0
VDD TVA0
TV DAC0
V REFOUT
V FSADJ
V BIAS
V COMP
UAO TX/GPIO
UAO RX/GPIO
GPIO GPIO
VSS K6/VSS 06
GPIO GPIO GPIO GPIO
VDD 05
GPIO GPIO
R A18 R A16
DA VSS
DA VDD
DA R
DA L
DAC REF
R A15
R A12
R A7
R A6
R A5
R A4
R A3
R A2
R A1
R A0
R D0
R D1
R D2
VSS 05/VSS K5
R D3
R D4
R D5
R D6
R D7
R OE B
VDD K4
M DQM2/GPIO
M DQM3/GPIO
R A10
R A11
R A9
R A8
VDD 04
R A13
R A14
R A17
R WE B
M A3
M A2
M A1
VSS 04/VSS K4
M A0
M A10
M BA1/GPIO
M DQM0/GPIO
M DQM1/GPIO
M A4
VDD K3
M A5
M A6
M A7
M A8
M A9
M CKE/GPIO
VSS 03/VVV K3
M CLKO
VDD 03
M A11/GPIO
M D8
M D9
DFCT/GPIO VDD K1 GPIO/SD CK/MS CK GPIO/SD CMD/MS BS GPIO/TTIO0 4/SD D0/MS D0 VSS 01/VSS K1 GPIO/TTIO1 5/SD D1/MS D1 GPIO/TTIO2 6/SD D2/MS D2 GPIO/TTIO3 7/SD D3/MS D3 VDD 01 GPIO R CS4 B/GPIO R CS3 B/GPIO R CS2 B/GPIO R CS1 B/GPIO RST B IR IN/GPIO VFD CLK/GPIO VFD STB/GPIO VFD DATA/GPIO R 20/E MIX10 R A19 CLKIN CLKOUT USB GND USB VDD USB DP USB DM VSS PLLA VDD PLLA VSS PLLV VDD PLLV M D7 M D6 M D5 M D4 M D3 VDD 02 M D2 M D1 M D0 M WE B M CAS B M RAS B VSS 02/VSS K2 M CS0 B/GPIO M BA0 M D15 M D14 M D13 VDD K2 M D12 M D11 M D10
AGCON
AGCOP
RFIP
RFIS
RFSUM
DPDA
DPDB
DPDC
DPDD
DVDD
DVDC
DVDB
DVDA
CDB
CDA
CDF
CDE
RF AVSS
APC AVSS
DVDLDD
CDLDD
DVDMDI
CDMDI
APC SRV AVDD
V21
R33K
V165
SVOTST
RFRPPH
RFRPBH
RFRPMEAN
SBADPH
SBAD
FEO
TEO
TEOLP
OPVIP
OPVIN
OPVOP
SRV AD AVSS VRGD
AD DA AVDD
DATEO
DAFEO
DA AVSS
TRAY IS IN
TRAY IS OUT
SPDC OUT/GPIO
SC OUT/GPIO
SC1 OUT/GPIO
TRAY OUT/GPIO
DMEA/GPIO
FGIN/GPIO
HOMESW/GPIO
LDSW/GPIO
165
166
RA27
RA28 RA26
176
10u6.3
EC13
0.1
C16
10u6.3
EC31
BC53
0.1
M03
M02
M01
M00
M05
M06
M04
M10
M07
M08 M09
M14
M13
M12
M11
M18 M16
M17
M15
XT1
27MHz
4.7K
R42
33P
C38
33P
C37
1K 1K 1K
R71
0
R40
C19
1
1
C17
0.1
R26
C14
0.01
C12
100P
C11
R25
20K
C10
0.068
R21
1.5K
C7
47P
R22
5.1K
C8
1
150K
R24
TP5 C18
47K
1
C20
C21 680P
C23 680P
C22 680P
C24 680P
TP9
TP10
TP8
TP7
T
P6
C49
0.1
C48
0.1
C47
0.1
R75 680
R35
2.2K
0
P
1K
20K
R33
R32
47u10
EC17
C
27 0.01
C
25 0.22
C
26 0.01
R30
33K
TP11
C
30 820P
4700P
C
29 300P
C32 0.1
C
31 330P
470K
R64
C45
4700P
K
0
470K
R57
C43
4700P
K
3
181
182
185
TP12
R72
R73
R74
1K
1K
R49
1K
R50
69
RST
76
0
R4
4
BC35
01
4
9
5
0
5
1
5
3
4
6
4
7
4
8
4
5
4
3
4
2
R34 2.2K
C28
47u10
EC16
5.1K
R23
47P
C9
0.01
C3
0.1
BC43
81
82
+5V +5V
U
+5V U+5V U+5V
F
+5V F+5V
+
1.8V
+1.8V
+1.8V +1.8V
+
1.8V V+1.8V
V+1.8V
F+3.3V F+3.3V F+3.
S+3V S+3V S+
3
+3V +3V +3V
+3V
+3V
+3V
+1.8V
+3AV +3AV
+3AV
V+3V
V+3V
V+3V
P+3.3V
P+3.3V
P+3.3V
RF+3.3V
RF+3.3V
RF+3.3V
RF+3.3V
+
3.3V U+3.3V
U+3.3V
A
+3V A+3V
A+3V
680P
++
++
U3

13
RXD-M505USB/LS-M505
ONMLK
1
2
3
4
5
6
7
CD (3/3)
CN13
CN2
CN6
D3
Q4
CN106
2/4
MAIN-
CN302
2/4
MAIN-
B LINE
SIGNAL LINE
GND LINE
U1 : AZ1117H-3.3
U2 : AZ1117H-ADJ
U3 : SPHE8104AW
U7 : K4S641632KUC60
U9 : AM5954
U11 : S29AL008D70-5
Q3 : 2SB1132R
Q4 : BT3904
Q5,6 : 3CA8550
Q7-9 : 2SC8050
D1,4,5 : 1N4001
D2,3,508,509
: RLS4148
D508
D509
USB
TYPE1
CN502
162
161
160
159
158
157
156
155
154
153
152
151
150
149
148
147
146
145
144
143
142
141
140
139
138
137
136
135
134
133
132
131
130
129
128
127
126
125
124
123
122
121
120
119
118
117
116
115
114
113
112
111
110
109
1
2
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
D
0
D
1
D
2
K
5
D
3
D
4
D
5
D
6
D
7
E
B
K
4
IO
IO
10
A
11
A
9
A
8
0
4
13
1
4
1
7
B
A
3
A
2
A
1
K
4
A
0
10
IO
IO
IO
A
4
K
3
A
5
A
6
A
7
A
8
A
9
IO
K
3
K
O
0
3
IO
D
8
D
9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
A15
A14
A13
A12
A11
A10
A9
A8
NC
NC
WE
RST
NC
NC
RY/BY
A18
A17
A7
A6
A5
A4
A3
A2
A1
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
A16
BYTE
GND
DQ15/A 1
DQ7
DQ14
DQ6
DQ13
DQ5
DQ12
DQ4
VCC
DQ11
DQ3
DQ10
DQ2
DQ9
DQ1
DQ8
DQ0
OE
GND
CE
A0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
VDD
D0
VDDQ
D1
D2
VSSQ
D3
D4
VDDQ
D5
D6
VSSQ
D7
VDD
LDQM
WE
CAS
RAS
CS
BA0
BA1
A10/AP
A0
A1
A2
A3
VDD
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
VSS
D15
VSSQ
D14
D13
VDDQ
D12
D11
VSSQ
D10
D9
VDDQ
D8
VSS
NC/RFU
UDQM
CLK
CKE
NC
A11
A9
A8
A7
A6
A5
A4
VSS
1
2
3
R
GND
L
1
2
3
4
NC
TX
RX
GND
M36
M37
M12
M34
M35
M33
M32
M09
M11
M10
M08
M31
M00
M01
M02
M04
M03
M05
M06
M07
M28
M29
M21
M26
M27
M25
M24
M30
M20
M19
M18
M16
M17
M15
M14
M13
M22
R51
33
RA19
RA28
RA24
RA04
RA21
RA20
RA22
RA23
RA00
RA25
RA06
RA05
RA07
RA02
RA03
RA26
RA27
RA18
RA08
RA16
RA14
RA15
RA13
RA12
RA11
RA10
RA09
RA17
RA01
L6
10u6.3
EC23
EC25
10u6.3
12K
R93
12K
R80
R82 R95
C65
680P
C63
680P
RA00
RA02
RA01
RA06
RA03
RA05
RA04
RA07
RA08
RA11
RA10
RA09
RA12
RA13
RA14
RA15
RA18
RA17
RA16
RA21
RA20
RA19
RA22
RA23
RA25
RA24
M33
M24
M22
M19
M20
M21
M26
M25
M28
M27
M29
M30
M31
M32
M35
M34
M36
M37
185
181
182
470
R77
470
R76
L5
0
R44
BC35
0.1
BC32
0.1
76
RST
69
1
3
2
4
22
R11
22
R10
15K
R13
R12
15K
F1
82
81
RST
100
R43
10K
R41
10K
R46
C40
0.1
100u6.3
EC6
10u6.3
EC18
1.5K1.5K
165
166
+B
U+5V
U+5V
+1.8V +1.8V
+1.8V
F+3.3V
F+3.3V
F+3.3V
S+3V
S+3VS+3VS+3V
S+3V
S+3V
S+3V
S+3V
S+3V
S+3V
S+3V
S+3V
+3V
+3V
+3V +3V
+3V
+3V
4
2
3
1
USB+5V
USB DM
USB DP
GND
1
2
3
4
0.1
C530
0.1
C532
5
VCC
D-
D+
GND
C41
10P
+
+
+
+
U11
U7
M-505USB (1/4)
USB
CAUTION: For continued safety, replace
safety critical components only with
manufacturer’s recommended parts (refer
to parts list). indicates safety critical
components. For continued protection
against risk of fire, replace only with same
type and rating fuse(s). To reduce the
risk of electric shock, leakage-current or
resistance measurements shall be carried
out (exposed parts are acceptably insulated
from the supply circuit) before the appliance
is returned to the customer.
The DC voltage is an actual reading
measured with a high impedance type
voltmeter with no signal input. The
measurement value may vary depending on
the measuring instruments used or on the
product.
P-4
P-4

14
RXD-M505USB/LS-M505
PQRST
1
2
3
4
5
6
7
MAIN (1/2)
CN102
CN103
to TUNER MODULE
Q102
Q103
D106
CN105
D101
Q101
CN302
CN305
R
AUX IN
L
ERASE
Rch
Lch
Q206
Q205
Q217
Q216
Q218
Q222
Q219
Q220
Q221
Q202
Q204 Q207
Q214
Q210
Q213
Q211
Q230
Q231 Q232
D202
Q212
CN106
Q215
Q201
Q203
Q108
(BOT
T
D105
CN3
CD-
1/4
DISPLAY-
CN1
4/4
CD-
1/4
CN2
CN13
1/4
CD-
IC101 : SM5964-5
IC102 : M24C02-WMN6
IC201 : UTC7312 or YD7312
IC301 : SC7314S
IC401 : SC1308L
IC402 : STK453-030S
IC403 : D4558or AZ4558
IC404 : ML7812FA
Q401,402,416 : 2SC8050
Q102,104,106 : 3CA8550
Q201-206 : 2SC2412
Q412 : 2SB772-P
Q413,417 : 2SD882P
D101-103,107,108,401,402,
410-412 : RLS4148
D106 : 1N4001
D408 : SR34
ZD401,412 : UDZS6.2B
ZD410 : UDZS5.6B
ZD402 : UDZS8.2B
ZD406 : BZX79-C3V3 SIGNAL LINE
B LINE
B LINE
GND LINE
RECORDING LINE
IC405 : AZ34063AM-E1
D104,105,202,301,403-407,415
: IN4148
211-222,231,232,301,302,
Q101,103,105,107,108,209,
405-408,410,411,414,415,
2SC8050M:
CN202CON201
Q209
419,420,425-427,430
Q207,210,230,303,403,404,
418,428,431 2SA8550:
ZD407 UDZS10B:
JK302
12
11
10
9
8
7
6
5
GND
LED+
VOL2
VOL1
MCU+5V
GND
CE
CLK
DO
DI
BACK LIGHT
32
44
43
40
42
41
31
4
3
2
1
2
3
4
5
6
7
8
9
10
11
TUNED
SR IND
SDA
SCL
PORT SEL
L OUT
TUER GND
R OUT
VCCV
RDS CLK
RDS DATA
REM IR 1
L208 0
L209 0
L207 0
L206 0
0
L210
11
16
R140
47K
R141
2.2K
10K
R142R148
47K
LD+
IN
LD+5.8V
LD-
OUT
33
5
39
2
1
35
34
4
3
33 32 31 30 29 28 27 26 25 24 23
22
21
20
19
18
17
16
15
14
13
12
1
2
3
4
5
6
7
8 9
10
11
34
35
36
37
38
39
40
41
42
43
44
P0.4
VOL1
VOL2
POWER EN
EA
POWER DELAY
ALE
PSEN
POWER EN
MODE SW
F REC.SW+
DETECT SW+
REC SW(R)
SOLENOID
MOTOR
PLAY/REC
BIAS ON
VSS
XTAL1
XTAL2
PROTECT
P3.6
SYSTEM.MUTE TUNED ST ND RESET RXD TUNER EN TXD IR.IN RDS CLK RDS DATA CD EN
P0.3
P0.2
SDA
SCL
VDD
P4.2
CE
CLK
DO
DI
BACK LIGHT
R101 100
34
R120 1K
R119 4.7K
R102 100
35
R118 4.7K
R103 330
SDA
R117 4.7K
R104 330
SCL
R108 1K
42
R113 22K
R106 1K
R107 1K
R114 22K
41
40 R112 22K
R111 4.7K
R105 100
39
R110 1K
44 R116 22K
R109 1K
R115 22K
43
R145 100
R182 1K R183 1K
R146 1K
31
32
33
R166 1K 23
R176 22K R177 22K
R167 1K 24
R179
1K 1K
R180
R178 150K
R169 1K 30
R165 1K
R175 22K
R164 1K
R173 22K
R163 1K
R172 10K
R162 1K
R171 10K
R161 1K
R170 22K
R160 1K
R174 22K
X101
11.059MHz
33P
C106
33P
C105
22K
R149
17
18
19
20
21
22
R121 10K
R129 1K
R122 22K
R130 1K
2
R131 1K
R123 22K
3
R139 1K
R124 22K R155 22K
R134 1K
6
R154 22K R153 22K
R135 1K
8
R152 22K
R136 1K
9
R137 1K
R151 22K
10
R138
R150 1K
R159 1K
R158 1K
R156 22K
1000P
C101
R125 10K
22K
R126
6.8K
R128
12K
R127
2.2u16
C107
+
CD-L
CD-R
GND
1
3
2
18K
R348
18K
R347
4.7K
R345
C366
1000P1000P
C365
4.7K
R346
8
2
3
10
9
C363
1000P
3
1K
R351
R350
9.1K
2
R352
1K
1000P
C364
R349
9.1K
1
3
2
1AUX-L
G
AUX-R
1
7
6
3
5
4
2
7
2
5
6
3
4
1
7 6 5 4 3 2 1
INPUT1
NFB1
PHASE
OUTPUT1
ALC
ALC TIME
GND
8 9
10
11
12
13
14
INPUT2 NFB2 PHASE ALC RIPP. FIL. VCC
C223
1000P
L204
4.7u16
C240
+
FB203
C236
100P
330P
C238
C282
100P
0.047
C242
220u10
C228
+
1K
R238
10u25
C245
C248
220u16
C246
+ +
0.022
R246
4.7K
15K
R248
COM.2 OUTPUT2 INPUT2
COM.1
INPUT1
47u16
C247
+
680K
R252
1000P
C224
1K
R237
FB201
33K
R233
2.2K
R235
2.2K
R236
L205
C235
100P
C237
330P
220u10
C227
+
4.7u16
C239
+
0.047
C241
15K
R247
4.7K
R245
100P
C283
33K
R251
120K
R263
0.22u16
+
C243
6.8K
R249
33K
R243
4.7K
R241
0.033
C23333
R239
C221
4.7u16
+
0.22u16
+
C244
6.8K
R250
R264
120K
4.7u16
+
C222
R242
4.7K
R244
33K
C234
0.033
82K
R253
10u25
C211
+
R260
120K
390
R255
R256
390
82K
R254
R261
120K
10K
R258
R259
10K
R257
47K
33K
R234
330
R228
220u10
C209
+
1K
R206
100u16
C207
+
1000P
C257
10K
R205
3.3K
R203
1800P82P
18K
R230
47mH
L202
1u16
+
C218
C216C214
3.3K
R204
R232
100K
150P
C225
150K
R225
150P
C226
150K
R226
FB202
1000P
C288
C258
1000P
R227
1
100
R220
1/4W
1K
R223
1K
R224
22K
R218
10K
R215
33K
R221
R214
10K
10K
R213
100K
R212
L203
100u16
C206
+
1000P
C204
27K
R2094.7
R210
1000P
C205
10
R211
0.012
C202
47u16
C254
+
10K
R270
0.022
C270
100K
R269
10K
R262
100K
R267
22K
R265
10K
R266
10K
R268
330
R222
1/4W
0.022
C210
100K
R216
R219
10K
1
GND
RXD
TXD
2
3
4
RXD
TXD
RXD
C310
1
SCL
SDA
C
4
0.
6
L211
0
3.3K
R202
3.3K
R201
R231
100K
C213
82P
C215
1800P
47mH
L201
18K
R229
1u16
+
C217
AUX-R
AUX-L
CD-R
CD-L
33
R240
R197
47K
R198
1K
R199
10K
L101
100uH
TXD
14
9
18
6
2700P
C191
12K
R281
C190
R283
12K
11
AUX-L
16
1
3
2
R312C312
4
R363
4.7K
+
47u16
1
C338
1K
27K
R362
47u1
R3
6
100
K
10
K
R36
C3
4
+
18
17
18
1
28
1
28
1K
47u16
+
C112
84V84V
+8.4V+8.4V
+8.4V
+8.4V
+8.4V+8.4V
+8.4V
+B
+B
+B
PLL+5V
PLL+5VPLL+5V
PLL+5V
MCU+5VMCU+5V
MCU+5V
LED+7.5VLED+7.5V
LED+7.5V
+B +B
+B+B
+B
B
+B
FB204
1000P
C259
220P
C261
220P
C260
0.022
C104
220u16
C103
+
C253
0.01
10K 10K
R184
R181
EN
1/8W
1/8W
1/8W
1/8W
1/8W
1/8W
1/8W
1/8W 1/8W
IC101
AUX
CASS
IC201
MAIN
IC
4
CAUTION: For continued safety, replace safety critical components only with manufacturer’s recommended parts (refer to
parts list). indicates safety critical components. For continued protection against risk of fire, replace only with same type
and rating fuse(s). To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out
(exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
AE-4
C-7
N-1
N-2

15
RXD-M505USB/LS-M505
YXWVU
1
2
3
4
5
6
7
MAIN (2/2)
CN101
to LOGIC DECK
D102D103
Q107 Q106
Q105 Q104
ZD407
Q417
ZD401
Q416
ZD402
Q413
Q401
ZD410
CN405
D408
Q412
Q408 Q407
CN404
Q425
Q426
Q427
Q428
Q402
ZD412
D108
D107
D410
D411
R
L
CN401
D404
D403
Q403
D405
D406
Q404
D301 Q303
Q302
Q301
Q419
Q418
Q420
D401
D402
Q411
Q410
Q414
ZD406
Q415
(BOTTOM VIEW)
Q430 Q431
D412 CN402
D415
D407
D105
D104
1/4
CN4
CD-
POWER-
CN901
3/4
PHONES
CN403
PHONE
SWITCH
Q405
Q406
JK400
1
2
3
4
5
6
7
8
9
10
H-OUT
GND
H-VCC
MOTOR+
MODE SW
SOL+
F REC.SW+
NC
DETECT SW+
REC SW(R)
1K
R185
30
24
23
22
21
2.2
R187
2.2
R186
R188
1K
R189
100K
R192
1K
R191 22K
1/4W 1/4W
47u16
C108
+
R196
100K
R195
1K 1K
R194
47u16
C109
100K
R193
+
14 13 12 11 10 9 8 7 6 5 4 3 2 1
L-IN3
L-IN4
L LOUD
R-IN1
R-IN2
R-IN3
R-IN4
R LOUD
OUT(R)
IN(R)
R TREBLE
L TREBLE
GND
VDD
15
16
17
18 19
20
21
22
23
24
25
26
27
28
L-IN2 L-IN1 IN(L) OUT(L) BIN(L) BOUT(L) BIN(R) BOUT(R) OUT R OUT L DGND SDA SCL CREF
1000u10
C320
+
0.1
C319
68
1/4W
R314
2700P
C318
2700P
C317
C315
1
C309
1
0.1
C308
2.2K
R343
1u50
C368
+
2.2K
R302
1u50
C306
+
R333
2.2K
C303
1u50
+
2.2K
R353
1u50
C301
+
C307
0.1
R344
2.2K 1u50
C367
+
R301
2.2K
C305
1u50
+
R332
2.2K1u50
C304
+
2.2K
R354
1u50
C302
+
C316
1
C
310
1
C321
1 1
C323
R315
3.3K
C322R316
3.3K
1 1
C324
2.2u16
C325
+
2.2u16
C326
+
22u16
C328
+
1/8W
R330
R331
1/8W
8 7 5 6
1
2
4
3
SDA
SCL
R147
0
22u16
C140
+
C111
0.022
560
R452
47u16
C457
+
220u16
C458
+
2.2
R453
1/4W
INOUT
GND
680
R427
10
R426
47u16
C410
+
C411
0.022
220u16
C414
+
C415
47u16
+
4.7
R428
560
R416
1/2W
100
C431
47u16
+
820
R481
R490
1
2
3
4
5
6
7
8
9
10
+18V
GND
-18V
GND
+16V
GND
SB+5.6V
PW SW
CD+9V
GND
1
2
3
4
SWC
SWE
T.C
GND
8
7
6
5
DRC
IPK
VCC
CII
0.022
C455
22K
R436
150
R431
22K
R430
1K
R433
220P
C454
22K
R437
220
R438
220uH
L403
220u10
C450
+
0.1
C452
3K
R439
1K
R441
3GND
5V
GND2
1
1
2
4
3
8 7 5 6
ROUT VDD RIN- LOUT RIN+ LIN- GND LIN+
R496
22
2.2u16
C440
+
100u16
C441
+100K
R440
100K
R491
C442
1
R494
22K
R495
56K
100u16
+
C444
100u16
+
C463
R475
3.3K
0.1
C443
0.1
C462
R480
3.3K
33
R468 47K
R459
33K
R458
47u16
C446
+
10K
R454
10K
R358
R457
10K
R493
1.2K
10
R492
100u16
C400
+
2200u35
C418
5W
220
R930
0.1
C448
+
220
C445
2200u35
R931
0.1
C449
+
5W
100P
C480
C427
0.01
19 18
17
16
15
14
13
12
11
10
9 8
7
6
5
4
3
2
1
NF/2 NF/1 IN/2 IN/1 NC GND S.BY SUB NC +PRE NC CH2- -PRE CH2+ NC CH1+ +VCC CH1- -VCC
L409 8uH
L404 8uH
L405 8uH
L407 8uH
C451
1000P
1K
R434R429
1K
C453
1000P
0.1
C429
4.7
1/2W
R462
C465R464
1/2W
4.7 0.1
100
R406
0.22
R421
2W R410
4.7 1/2W
600nH
L402
R409
4.7
1/2W
600nH
L401
0.22
R420
2W
C420
1000P
56K
R424
R425
56K
1000P
C424
3K
R422
3K
R423
100u16
C409
+
R407
56K
10P
C405
C406
10P
56K
R408
C425
0.1
470u10
+
C419
2K
R405
L410
L408
1.5K
R341
2.2u16
+
C489
2.2K
R366
R419
4.7K
100P
C413
+
1.5K
R340
2.2K
R365 2.2u16
C488
C412
100P
R418
4.7K
R369
10K
R370
10K
R367
1K
R368
1K
10u25
C340
+
1K
R372
R371
4.7K
10K
R310
10K
R463
10K
R469
R461
4.7K
R460
4.7K
220u16
C470
+
2200P
C404
3.3K
R404
3.3K 2200P
R403 C403
1.2K
R402
47u16
C402
47u16
C401
0.1
C439 1.2K
R401
C438
0.1
3.3K
R412
C417
0.1
10K
R415
100K
R414
R413
3.3K
C416
0.1
1K
R472
22K
R477
100u16
C437
+
100u16
C436
+
1K
R476
56K
R479
56K
R478
R488
10K
R474
47K
R473
47K
1.5K
R470
47K
R471
CD-L
9
CD-R
J302
1K 1/8W
14
2700P
C191
R280
2.7K
12K
R281
2.7K
R282
2700P
C190
R283
12K
L
AUX-R
1
3
2
R312C312
4
11K
27K
R362
1
4.7K47u16
C339 R355
+
5C311
100
R313
47u16
R356
100K
C327
7
6
27K
8
1000u10
R361
100K
10K
R360
C341
+
R359
10K
R482
+
SCL
SDA
C460
1
R445
22K 56K
R448
L
R
47
R503
10K
10K
R497
R489
4.7K
10K
R487
R486
10K
R485
10K
R411
C464
+
2.2u16
1Rch
GND
PHONE
ON/OFF
CTR
4
5
Lch
3
2
R
L
20
19
+
C331
220u16
10K
R435
47u16
+
C112
5
1
2
4
3
PHONE
ON/OFF
Lch
CTR
GND
Rch
L412
L413
L414
1000P
C422 C421
1000P
R483
1K
1K
R484
MCU+5V
+18V
+18V
+B
18V
18V
18V
+16V +16V
+16V+16V
+16V+16V
+8.4V
+8.4V+8.4V
+8.4V
+8.4V
+8.4V +B
+B +B
+B
+B
+B
+B+B
+5.6V
+9V
+9V
+9V
+5V +5V
PLL+5V
MCU+5V
LED+7.5V
+9V
6
2200u25
C407
+
+8.4V
+B
1/8W
1/4W
1/4W
1/8W
1/4W
1/4W
1/4W
1/4W
1/8W
470 470
MCU+5V
MCU+5V
MCU+5V
IC301
IC102
IC404
IC405
IC401
IC402
IC403
HEADPHONE
M-505USB (2/4)
The DC voltage is an actual reading measured with a high impedance type voltmeter with no signal input. The
measurement value may vary depending on the measuring instruments used or on the product.
B-1
AA-2

16
RXD-M505USB/LS-M505
ZAA AB AC AD
1
2
3
4
5
6
7
POWER (1/1)
CN901
D904
D903
D902
D091
D909
D910D912
D911
D907
D908
D905
D906 D914
D913D915
D916
Q902 D917
AC IN
2/4
CN405
MAIN-
Q902 : 2SC8050
D901-908,913-916
: 1N4001
D909-912 : 1N5402-F
D917 : IN4148
B LINE
B LINE
GND LINE
10
9
8
7
6
5
4
3
2
1
GNDD
+9V
PW-SW
SB+7V
GNDC
+14V
GNDB
-16V
GNDA
+16V
100u16
C925
+
0.022
C920
0.022
C909
0.022
C910
0.022
C912
0.022
C911
F902
T4A L250V
F903
T4A L250V
T1.6A L250V
F904
C922
1000P
C921
1000P
+
C917
2200u25
C918
0.022
T1.6A L250V
F901
C914
0.022 0.022
C913
0.022 0.022
C915
C916
TR900
TR901
R902
1/8W
RL901
33
R903
1000P
C923
L901
B
+B
+9V
16V +7V
+16V
+14V
22K
1/4W
POWER
M-505USB (3/4)
CAUTION: For continued safety, replace safety critical components
only with manufacturer’s recommended parts (refer to parts list).
indicates safety critical components. For continued protection
against risk of fire, replace only with same type and rating fuse(s).
To reduce the risk of electric shock, leakage-current or resistance
measurements shall be carried out (exposed parts are acceptably
insulated from the supply circuit) before the appliance is returned to
the customer.
The DC voltage is an actual reading measured with a high
impedance type voltmeter with no signal input. The measurement
value may vary depending on the measuring instruments used or on
the product.
Y-3

17
RXD-M505USB/LS-M505
AE AF AG AH AI
1
2
3
4
5
6
7
DISPLAY (1/1)
8
F.SEARCH
PIN38 COM04 COMO4
PIN37 COM03 COMO3
PIN36 COM02 COMO2
COMO1PIN35 COM01
PIN34 SEG34 TAPE REC.
kHzPIN33 SEG33 MHz
8BPIN32 SEG32 8K 8C X-BASS
8APIN31 SEG31 8J 8L 8D
8HPIN30 SEG30 8I 8M EQ
8FPIN29 SEG29 8G 8E REC.
7BPIN28 SEG28 7K 7C F.SEARCH
7APIN27 SEG27 7J 7L 7D
7HPIN26 SEG26 7I 7M SLEEP
7FPIN25 SEG25 7G 7E COL
6BPIN24 SEG24 6K 6C DP
6APIN23 SEG23 6J 6L 6D
6HPIN22 SEG22 6I 6M USB
6FPIN21 SEG21 6G 6E OFF
5BPIN20 SEG20 5K 5C SYNC
5APIN19 SEG19 5J 5L 5D
5HPIN18 SEG18 5I 5M REMAIN
5FPIN17 SEG17 5G 5E ON
4BPIN16 SEG16 4K 4C WMA
4APIN15 SEG15 4J 4L 4D
4HPIN14 SEG14 4I 4M TOTAL
4FPIN13 SEG13 4G 4E TIMER
3BPIN12 SEG12 3K 3C MP3
3APIN11 SEG11 3J 3L 3D
3HPIN10 SEG10 3I 3M ALL
3FPIN09 SEG09 3G 3E INTRO
2BPIN08 SEG08 2K 2C RDS
2APIN07 SEG07 2J 2L 2D
2HPIN06 SEG06 2I 2M ALB.
2FPIN05 SEG05 2G 2E RDM
1BPIN04 SEG04 1K 1C PGM
1APIN03 SEG03 1J 1L 1D
1HPIN02 SEG02 1I 1M REPEAT
1FPIN01 SEG01 1G 1E STEREO
COMO1 COMO2 COMO3 COMO4
COL
DP
1
CN1
LCD501
(BOTTOM VIEW)
LED507
SW501
OPEN
TAPE MODE
SW505
CD/USB
SW507
TUNER/BAND
SW511
STANDBY
SW515
SW508
EQ
SW512
ALBUM UP
SW516
SW502
DEMO
AUX
SW506
X.BASS
SW509
ALBUM DOWN
SW513
SEARCH
SW517
SW503
TAPE REC
SEARCH
SW712
FPALY/PAUSE
SW514
RPLAY/PAUSE
SW518
SW504
USB O.T.E
STOP
Q502
Q503
LED503LED504
LED506 LED505
D503
LED501 LED502
D502
IC501 : PT6554
IC502 : FM-9038TM2-5AN
Q501 : 2SC8050M
Q502 : 3CA8550
Q503 : 2SC8050
D502,503 : RLS4148
B30-2706-08LED501,502 :
LED503-506 : B30-2705-08
LED507 : B30-2704-08
2/4
CN102
MAIN-
B LINE
B LINE
GND LINE
STANDBY
Q501
SENSOR
12
11
10
9
8
7
6
5
4
3
2
1
REM IR
BACK LIGHT
DI
DO
CLK
CE
GND
MCU+5V
VOL1
VOL2
LED+
GND
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
17
18 19
20
21
22
23
24
25
26
27
28 29
30
31
32
33
34
35
36
37
38
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
64
63
62
61
60
59 58
57
56
55
54
53
52
51
50
49
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
SG17
SG18 SG19
SG20
SG21
SG22
SG23
SG24
SG25
SG26
SG27
SG28 SG29
SG30
SG31
SG32
SG33
SG34
SG35
SG36
SG37
SG38
SG39
COM1
COM2
COM3
COM4
KO1/SG40
KO2/SG41
KO3
KO4
KO5
DI CLK CE DO OSC VSS VDD2 VDD1 VDD TEST KI5 KI4 KI3 KI2 KI1 KO6
SG16
SG15
SG14
SG13
SG12
SG11
SG10
SG9
SG8
SG7
SG6
SG5
P4/SG4
P3/SG3
P2/SG2
P1/SG1
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S33
S34
C1
C2
C3
C4
S1
S2
S3
S4
S5
S6
S7
S8 S9
S10
S11
S12
S13
S14
S15
S16
C4
C3
C2
C1
S34
S33
KI5
KI4
KI3
KI2
KI1
KO5
KO4
KO3
KO2
C514 1000P
C513
1000P
C515 1000P C516 1000P C517 1000P
C522
1000P
C511 0.1 C512 0.1
C510 820P
R507 68K
R520 220 R519 220 R518 220 R517 220
64
63
62
61
64
61
63
62
R501 10K
R502
C502
1000P 1000P
C501
10K
47u10
C508
+
C509
0.1
10uH
L501
10K
R538
470u6.3
C503
C504
+
0.1
3.3K
R506
R508
10K
INOUT
GND
R503
220
+
C507
47u10
C506
0.1
C505
100P
R504 22K
KI1
KI2
KI3
KI4
KI5
KO2
KO3
KO4
KO5
47K
R509
1K
R511
22
R512
10K
R510
150
R514
R515
150
47u10
C518
+
0.022
C519C521
47u10
+
R516
150
0.022
47
C520
R513
B
+B
VR501
IC501
IC502
DISPLAY
M-505USB (4/4)
CAUTION: For continued safety, replace safety critical components only with manufacturer’s recommended
parts (refer to parts list). indicates safety critical components. For continued protection against risk of
fire, replace only with same type and rating fuse(s). To reduce the risk of electric shock, leakage-current or
resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit)
before the appliance is returned to the customer.
The DC voltage is an actual reading measured with a high impedance type voltmeter with no signal input. The
measurement value may vary depending on the measuring instruments used or on the product.
P-2

18
RXD-M505USB/LS-M505
3
2
1
BA
M-505USB
This figure is available on parts location.
But individual parts is not available for repair,
ass’y parts only.
689
DM FM
LM
PU
EXPLODED VIEW (MECHANISM)
Parts with the exploded numbers larger than 700 are not supplied.

19
RXD-M505USB/LS-M505
EXPLODED VIEW (UNIT)
2
1
EDC
A
B
C
D
E
F
G
H
J
K
L
M
N
N89-2605-48
N89-2610-48
N89-3008-48
N89-3010-48
N89-3012-48
N86-4008-43
N89-2050-48
N86-3006-48
N86-3008-48
N85-3005-48
N86-3010-48
N19-0249-48
N15-1040-48
:
:
:
:
:
:
:
:
:
:
:
:
:
N89-3010-43
N86-3008-43
N86-3010-43
:
:
:
phones
JK400
USB
USBATYPE1
SILVER BLACK
M-505USB
CD PCB
POWER
LOAD PCB
POWER PCB
688
771
773
770
743
772
746
757
760
755
610
611
608
675
609
606
607
607
658x2
666
668
689
689
654
669
674
685
650
680
659
681
686
782
TR900
AUX
JK302
MAIN PCB SPEAKER
CN401
763
662
685
751
776 748
752
751
DISPLAY
PCB
634
622
620
621x4
619x5
612
635
636 637
726 742
728
777
787
787
787
784
787
783
783
604 601
603
607
607
629
616
615
613
614
624
624
625
623
630
718
717
602
LCD501
BS BM
PF
PR
RPH
search
TAPE
rec
USB
O.T.E.
stop
SW517 SW509 SW518 SW514
SW503SW504
SW712
demo
SW502
EQ
SW512
up
SW516
down
p.call/album
SW513
volume
VR501
SW515 SW501
X-bass
SW508
TAPE
mode
SW505
CD/USB
SW507
TUNER
band
SW511
AUX
SW506
Fx2
Fx2
Dx2
Mx2
Mx2
Nx2
Nx2
Jx2 Hx2
Hx2
Hx2
Jx2
Jx2
Lx2
D
D
Jx2
Jx2
Jx2
D
L
Dx2
Jx2 J
D
L
A
Dx3
Lx2
Jx2
H
H
J
H
H
G
Cx3
C
Cx2
Ax2
Dx2
Dx2
Cx3
Dx2
Gx2
Bx2
Dx2
K
B
Bx2
J
B
J
C
H
H
H
H
J
J
J
J
C
Hx2
Hx2
A
A
Ex2
Parts with the exploded numbers larger than 700 are not supplied.

PARTS LIST
Indicates safety critical components.
Ref. No.
L: Scandinavia K: USA P: Canada R: Mexico C: China I: Malaysia
Y: PX(Far East,Hawaii) T: England E: Europe G: Germany V: China(Shaghai)
Y: AAFES(Europe) X: Australia Q: Russia H: Korea M: Other Areas
✽New parts
Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohne Parts No. werden nicht geliefert.
RXD-M505USB/LS-M505
20
Add-
ress Parts No.
New
Parts
Description Desti-
nation Re-
marks
Ref. No. Add-
ress Parts No.
New
Parts
Description Desti-
nation Re-
marks
✽New parts
Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohne Parts No. werden nicht geliefert.
Indicates safety critical components.
L: Scandinavia K: USA P: Canada R: Mexico C: China I: Malaysia
Y: PX(Far East,Hawaii) T: England E: Europe G: Germany V: China(Shaghai)
Y: AAFES(Europe) X: Australia Q: Russia H: Korea M: Other Areas
1 2
-
✽B60-5693-08 I/B (E.X) (ENGLI 7202-070600100
-
✽B60-5694-08 I/B (E.) (5 LANG 7202-070600200 E
-
✽T19-0503-08 SPEAKER BOX SI 8919-070600100 S
-
✽T19-0504-08 SPEAKER BOX BL 8919-070600200 B
601 2C
✽A53-2490-08 CASSETTE DOOR, 5203-070600100 S
601 2C
✽A53-2492-08 CASSETTE DOOR, 5203-070600200 B
602 2D
✽G01-4382-08 CASS DOOR SPRI 6101-070600100
603 2C
✽A53-2491-08 CASSETTE DOOR 5605-070600100 S
603 2C
✽A53-2493-08 CASSETTE DOOR 5605-070500100 B
604 2C
✽K29-8628-08 VOLUME KNOB,AB 5307-070600100 S
604 2C
✽K29-8643-08 VOLUME KNOB,AB 5307-070600200 B
606 2C
✽B07-2764-08 VOLUME RING,AB 5604-070600100 S
606 2C
✽B07-2766-08 VOLUME RING,AB 5604-070600200 B
607 2C,1E
✽J02-1590-08 RUBBER FOOT 6404-070600100
608 2C
✽B10-5636-08 DISPLAY LENS,S 5501-070600100
609 2C
✽A21-5520-08 PANEL COVER,SP 5101-070600100
610 2C
✽A29-1280-08 CD DOOR,SILKSC 5201-070600100 S
610 2C
✽A29-1284-08 CD DOOR,SPRAY 5201-070600200 B
611 2C B43-0336-04 KENWOOD BADGE 5932-070600100
612 1C
✽A60-2529-08 FRONT CANINET, 5001-070600100 S
612 1C
✽A60-2532-08 FRONT CANINET, 5001-070600300 B
613 2D
✽D39-0364-08 DAMPER GEAR B4 5701-061300100
614 2D
✽J52-0048-08 CASS LID LATCH 5801-070600100
615 2D
✽G01-4383-08 CASS LATCH SPR 6104-070600100
616 2D
✽J52-0049-08 CASS LID LATCH 5801-070600200
619 2D
✽K29-8649-08 STOP KNOB COVE 5420-070600100
620 2D
✽K29-8626-08 EQ KNOB/STOP K 5409-070600100
621 1D
✽K29-8644-08 FUNCTION KNOB 5403-070600100
622 1D
✽K29-8625-08 FUNCTION KNOB 5615-070600100
623 1C
✽K29-8647-08 STANDBY/ON KNO 5408-070600100 S
623 1C
✽K29-8648-08 STANDBY/ON KNO 5408-070600200 B
624 1C,2D
✽K29-8627-08 STANDBY/ON KNO 5409-070600200
625 2D
✽K29-8645-08 CD DOOR OPEN K 5405-070600100 S
625 2D
✽K29-8646-08 CD DOOR OPEN K 5405-070600200 B
629 2D
✽D40-1875-08 CASSETTE DECK 4402-110053900
630 2D
✽K29-8642-08 DEMO KNOB,ABS 5410-070600100
634 1D
✽B11-1637-08 LCD FILTER 6214-070600100
635 1D
✽J19-6482-08 LIGHT GUIDE PM 5502-070600100
636 1D
✽B11-1636-08 LIGHT GUIDE PA 7208-070600100
637 1D
✽J19-6478-08 LIGHT GUIDE BK 5601-070600100
650 1E
✽W02-4673-08 TUNER MODULE K 4902-070600100
654 1E
✽A80-4576-08 REAR CABINET H 5006-070600100 S
654 1E
✽A80-4577-08 REAR CABINET B 5006-070600200 B
658 2E
✽J19-6484-08 LOCKING PCB SU 6306-070600200
659 2E
✽J42-0361-08 STRAIN RELIEF 8015-000000400
662 2E
✽J19-6483-08 LOCKING PCB SU 6306-070600100
666 1E
✽A02-3156-08 RIGHT-SIDE PLA 5107-070600100 S
666 1E
✽A02-3157-08 RIGHT-SIDE PLA 5107-070600200 B
668 1E
✽A02-3152-08 TOP CABINET HI 5001-070600200 S
668 1E
✽A02-3153-08 TOP CABINET BL 5001-070600400 B
669 1E
✽D40-1874-08 CD MECHANISM D 4401-120001120
674 1E
✽A02-3154-08 LEFT-SIDE PLAT 5106-070600100 S
674 1E
✽A02-3155-08 LEFT-SIDE PLAT 5106-070600200 B
675 2C
✽J69-0242-08 M505 DOUBLE SI 7902-070600100
680 2E
✽E30-7392-08 AC CORD VDE 23 2902-023007000 E
680 2E
✽E30-7393-08 AC CORD SAA PH 2902-224000000 X
681 1C
✽T90-0926-08 AM ANT 5T 1300 5926-070600100
685 1E,2E
✽E35-4009-08 FFC CABLE 11P 3002-110200910
686 1C
✽T90-0925-08 FM WIRE ANTENN 3009-001400100
688 1C
✽A70-1727-08 REMOTE CONTROL 1901-000004800
689 1E,2E
✽E35-4010-08 FFC CABLE 16PI 3002-160080910
TR900 2E ✽L07-3378-08 POWER TRANSFOR 2302-765050500 E
TR900 2E ✽L07-3379-08 POWER TRANSFOR 2302-766050500 X
LED501,2 ✽B30-2706-08 LED DIA 3MM 1L 1316-103450000
LED503-6 ✽B30-2705-08 LED DIA:3MM BL 1316-103412000
LED507 ✽B30-2704-08 LED DIA 3MM RE 1316-039340000
BC1-3 CK73GB1H103K CHIP C 0.010UF K
BC4 CC73GCH1H331J CHIP C 330PF J
BC5 CC73GCH1H330J CHIP C 33PF J
BC6 10 CK73GB1H104K CHIP C 0.10UF K
BC11,12 CC73GCH1H101J CHIP C 100PF J
BC13,14 CK73GB1H104K CHIP C 0.10UF K
BC16-30 CK73GB1H104K CHIP C 0.10UF K
BC31 CK73GB1H102K CHIP C 1000PF K
BC32-40 CK73GB1H104K CHIP C 0.10UF K
BC41 CK73GB1H102K CHIP C 1000PF K
BC42-51 CK73GB1H104K CHIP C 0.10UF K
BC53 CK73GB1H104K CHIP C 0.10UF K
C5 CK73GB1H103K CHIP C 0.010UF K
C7 CC73GCH1H470J CHIP C 47PF J
C8 CK73GB1C105K CHIP C 1.0UF K
C9 CC73GCH1H470J CHIP C 47PF J
C10 CK73GB1H683K CHIP C 0.068UF K
C11 CC73GCH1H681J CHIP C 680PF J
C12 CC73GCH1H101J CHIP C 100PF J
C13,14 CK73GB1H103K CHIP C 0.010UF K
C15 CK73GB1C105K CHIP C 1.0UF K
C16 CK73GB1H104K CHIP C 0.10UF K
C18 CK73GB1H104K CHIP C 0.10UF K
C19,20 CK73GB1C105K CHIP C 1.0UF K
C21-24 CC73GCH1H681J CHIP C 680PF J
C25 CK73GB1C224K CHIP C 0.22UF K
C26,27 CK73GB1H103K CHIP C 0.010UF K
C28 CK73GB1H473K CHIP C 0.047UF K
C29 ✽C90-5860-08 CHIP C 300PF J
C30 CC73GCH1H821J CHIP C 820PF J
C31 CC73GCH1H331J CHIP C 330PF J
C32 CK73GB1H104K CHIP C 0.10UF K
C33 CK73GB1H222K CHIP C 2200PF K
C34 CK73GB1H682K CHIP C 6800PF K
C35,36 CK73GB1H104K CHIP C 0.10UF K
C37,38 CC73GCH1H330J CHIP C 33PF J
C40 CK73GB1H104K CHIP C 0.10UF K
C41 CC73GCH1H100J CHIP C 10PF J
C42 CC73GCH1H331J CHIP C 330PF J
C43 CK73GB1H472K CHIP C 4700PF K
ELECTRIC PARTS
RXD-M505USB-B/M505USB-S/LS-M505-B/M505-S