
HR-MB3
6 – 6
Figure 6-6 SCHEMATIC DIAGRAM (6/12)
0
R319
10K
R328
10K
R326
12K
R325
1.5K
R320
100u/4V
C310
TL305
TL303
0.1u
C309
0
R317
0
R318
0
R305
0.1u
C311
100u/6.3V
C312
TL304
TL302
100u/6.3V
C313
301
1K
R323
1K
R321
10u/6.3V
C308
VA301
130P
VA302
130P
27K
R329
22K
R333
TL310
TL314
TL313
TL312
TL308
TL307
TL306
27
R337
27
R338
J300
HEADPHONES
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
SW300
HOLD
SW304
SKIP DOWN/
SCROLL LEFT/
REVIEW
SW305
VOLUME UP/
SCROLL UP
SW306
VOLUME DOWN/
SCROLL DOWN
SW307
SKIP UP/
SCROLL RIGHT/
CUE
SW301
RETERN/
POWER OFF
1
2
3
12K
R330
IC301
TLV320D
AUDIO DAC
12
13
14
15
16
17
0.0033
C314
0.0033
C315
0.01u
C318
0.01u
C319
0.01u
C320
0.01u
C321
68K
R344
68K
R345
0
R327
FB300
FB301
R_HPOUT
KEYIN
L_HPOUT
R_HPOUT
L_HPOUT
AUDIO_GND
MICBIAS
VMID
AUDIO-L_IN/OUT
AUDIO-R_IN/OUT
AGND
(2.7--3.6V)
ROUT
LOUT
AVDD
7
8
9
10
11
12
MAIN PWB-A (3/6)
+B
Summary of Contents for HR-MB3
Page 13: ...HR MB3 5 4 MEMO ...
Page 38: ...HR MB3 8 9 MEMO ...