4-3
CIRCUIT DIAGRAM
OFF
FM
USB
CD
PAGE: 1 OF 2
AZ385
DRAWN:
CHECKED:
SCALE UNIT
N / S
SCHEMATIC DIAGRAM
MODEL:
li zhi wang
all legal issues, performance, safety and all other concern. Before applying this information, user should agree
with the above responsibility and understand it is the user's own risk to use this information.
responsibilities to any damages caused by using this document. It is the user's responsibilities to check
The information shown in this document is for reference only, Harbour Light Technology Ltd. hold no
Warning:
HARBOUR LIGHT TECHNOLOGY LTD
91024
C
APPROVED:
20
1
REV:
CD
USB
FM
OFF
CD
USB
FM
OFF
CD
USB
FM
OFF
RADIO/AUDIO PART
AUX-SW
DBBS-SW
ON
OFF
IN
GND
OUT
IC202
1117-3V3
R237
4k7
R236 4K7
R241
8K2
R240
8K2
C239
330P
C238
0.33U
R239
1K5
R238
1K5
C234 562
C235
562P
E
C
B
Q420
000
E
C
B
Q421
NC
R207
33
C216
104
C217
220/16
4
3
2
1
1
2
3
4
5
SW103_A
4
3
2
1
1
2
3
4
5
SW103_B
4
3
2
1
1
2
3
4
5
SW103_C
4
3
2
1
1
2
3
4
5
SW103_D
R329
NC
C344
1000/125
C345
104
R357
270K
R356
3K3
D303
1N4148
C349
47U
D305
IN4148
R349
1K2
R350
0
C348
100/16
R353
10 K
R352
2K2
R351
10K
C347
220/10
R355
33K
R354
15K
D304
IN4148
R322
10K(NC)
C320
NC
R326
NC
R324
NC
C324
NC
R327 NC
R323
10K(NC)
C321
NC
R325
NC
C325
NC
R331
2K2
R335
10 K
R337
10K
C334
47/10
R336
10K
R332
2K2
C332
102
R348
1 K
C333
102
R344
470
C337
100/16
C346
100/16
C339
100/16
C341
1000/10
R346
4.7
R345
4.7
C336
100/16
C340
1000/10
R343
470
C338
100/16
1
2
3
CN301
TO SPK
R328
NC
C322
NC
C127
100/16
R333
NC
R334
NC
R320
1k
R321
1k
1
2
CN302
TO Jack Board
1
2
3
4
VOLUME-A
A10Kx2
1
2
3
4
VOLUME-B
A10Kx2
E
C
B
Q309
8050C
E
C
B
Q308
8050C
E
C
B
Q306
8050C
E
C
B
Q304
9014C
E
C
B
Q303
9014C
1
2
3
AUX_SW1
1VCC2
2OUT1
3
B.S.1
4GND
5NF1
6IN17IN2
8NF2
9RIPPLE
10
B.S.2
11 OUT2
12 VCC1
41
D
N
G31GND
IC301
D8227
R304
10K
R302 18K
R301 18K
R303 10K
C304
332
C303
332
R305
10K
R306
10K
C305
472
C306
472
L302
80/100M
L301
80/100M
L303 80/100M
L
R
G
JH101
AUX_IN
R339
3K9
C327
104
R338
3K9
C326
104
R234
30K
R235
NC
R231 NC
R230
NC
R233
NC
R232
NC
C342
154
C343
154
C233 225
C232
225
C237
225
C236
225
C323
NC
C301
225
C302 225
C215
220/10
E
C
B
Q307
8550C
L202
1K@100M
E
C
B
Q422
9014C
E
C
B
Q423
9014C
C241
100/10
R243
1K
R242
1K
R245
15K
R244
15K
R229
000
R228
000
R106
000
D204
3V3
1
2
3
DBBS_A
1
2
3
DBBS_B
1
2
3
AUX_SW2
D307
IN4148
R209
2K
C62
104
R210
000
E
C
B
Q301
8050C
R363
10K
R364
10K
E
C
B
Q302
8050C
C351
33u/10
C352
33u/10
D301
1N4148
D302
1N4148
D306
1N4148
R361
NC
R358
2K2
R308
10K
R307
1K
D205
3V6
C219
NC
1
STEREO
2
STATION
3
TUNE1
4
TUNE2
5
BAND
6
NC
7
NC
8
FMI
9
RFGND
10
NC
11
NC
12
AMI
13
GND
14
GND
15
/RST
16
VOL+/TREBLE
17
VOL-/BASS
18
XTALO
19
XTALI
20
VDD1
21
VDD2
22
DBYP
23
ROUT
24
LOUT
IC201
SI4831_SSOP
X201
32.768K
C207
22P
C208
22P
C209
104
R206
100K
C206
225
C201
100P
D202
IN4148
D201
IN4148
L201
270nH
FM_ANT
R203
120K 1%
R202
100
C203
104
C202
10U
R201
137k 1%
R204
243k 1%
VR101
50K
C204
10U
R205
10 K
C211
104
C212
102
C213
220/10
C230
103
C231
103
C214
104
C210
220/10
R218
680K
R216
4K7
R217
4K7
R215
10K
C218
104
D203
IN4148
EC
B
Q205
9014C
C220
153
C328 4u7/10
C330
4u7/10
C329 4u7/10
C331 4u7/10
D300 1N4148
R107 NC
1
2
3
Q201
8050
C353
100u/10
D308
1N4148
C405
2200u/25V
C406
104
R366
330K
R365
10K
R368
10K
R367
10K
CD_RCH
CD_LCH
SYS_VCC
AMUTE
SYS_VCC
CD/USB_5V
CD_VCC
FUN_CD
FUN_USB
FUN_AUX
SW_ON
ST_BY
CD_VCC
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