HCD-BX20i/BX50BTi
HCD-BX20i/BX50BTi
34
34
6-13. SCHEMATIC DIAGRAM - MAIN Section (2/3) -
• See page 42 for Waveforms. • See page 42 for IC Block Diagrams. • See page 45 for IC Pin Function Description.
D318
D321
CN322
R408
R301
R462
C338
C364
R472
R477
C366
R467
R468
IC311
C339
C342
R466
R465
D309
C341
C340
C301
IC310
D323
R430
R429
R424
R422
R726
R728
R727
R725
R72
4
R72
2
R720
R719
R464
R717
R716
C316
R71
3
R412
C310
C311
C333
R709
R71
1
R706
R705
R704
R703
R702
R701
C499
JR498
R700
R792
R793
R791
R789
R781
R782
R783
R784
R785
R492
R493
R494
C498
R786
R487
R488
D774
R780
R778
R777
R774
R766
C766
R485
C362
R760
R759
R757
R753
R748
R747
R746
R741
R734
R733
R732
R731
CN301
CN311
CN306
R473
R773
R448
R745
R744
R433
R432
X301
R418
Q309
R111
R113
R112
R452
R455
Q310
C309
C331
R213
R211
R212
C308
IC309
C115
R611
R511
R600
R500
R114
R115
R216
R116
R208
R108
R207
R107
CN323
C344
C215
S001
CN310
R214
R215
R479
C110
C118
C218
C210
R456
Q301
R407
X302
R486
R770
R769
R768
R447
1N4002-B5
1N4002-B5
4P
2.2k
5.6k
1k
0.1
10 50V
1k
1k
0.1
4.7k
4.7k
BA6956AN
0.1
0.1
47k
47k
MA2J1
11
0GLS0
0.1
0.1
4.7
50V
PST3628NR
1N4002-B5
4.7k
4.7k
4.7k
4.7k
100
100
100
100
100
100
47k
100
10k
10k
0
0.1
0
10k
22p
22p
0.1
10k
220k
100
100
100
100
100
100
0.1
0
100
100
100
100
1k
100
100
100
100
100
10k
10k
10k
0.1
10k
10k
MC2836
100
100
100
1M
220k
0.01
100k
0.1
100
100
100
100
100
100
10k
10k
100
100
100
100
9P
5P
13P
10K
100
4.7K
100
100
4.7K
4.7K
32.768KHz
0
2SC3052F
100K
100K
100K
10K
2.2K
RT1N141C-TP-1
INVERTER
100
16V
2.2
50V
100K
100K
100K
0.1
MC14052BDTR2
1
50V
4.7k
4.7k
22k
22k
47K
100K
100k
100k
47k
47k
4.7k
4.7k
15P
0.22F
5.5V
1
50V
9P
47K
100K
100
4.7
50V
4.7
50V
4.7
50V
4.7
50V
2.2k
2SC3052F
0
5MHz
100
100
100
4.7K
A1
A2
A3
A4
A6
A7
A8
A9
A10
B1
B2
B3
B4
B11
B10
B9
B8
B7
B6
B5
77
78
92
93
33
40
68
69
70
88
89
100
4
19
91
4
39
TUNER_L
TUNER_R
45
BT SELEC OUT_L
BT FUNC OUT_L
BT FUNC OUT_R
BT SELEC OUT_R
1
2
3
6
6
22
24
25
25
26
26
27
27
28
28
31
32
34
43
83
82
81
80
59
89
88
85
85
66
53
44
57
60
93
91
92
84
87
87
90
90
84
83
82
81
73
44
33
31
34
32
45
43
5
BT RX_R
BT RX_L
31
34
33
32
9
12
5
9
12
23
94
∗
DGND
KEY3
KEY2
KEY1 RETURN
SIRCS
EVER 3.3V
STBY LED
DGND
FL DATA
FL CLOCK
FL GND
4V
FL CS
KEY1
KEY1 RETURN
GND
RXD
BUSY
VDD
SCLK
TXD
PGM
RST
GND
DO/STEREO
ST
CLK
ST
DIN
TUNED
AGND
R O
UT
+9V
L OUT
ST
CE
AINL
AGND
AIN
R
AOUTR
AGND
AOUTL
AV
D
D5
DVDD5
DGND
(BT_RESET)
(BT_TXD)
(BT_R
TS
)
(BT_
RXD)
(BT_CTS
)
(BT_A
V_ROLE)
CLOSE SW
OPEN SW
DGND
CLOSE
OPEN
(2/3)
∗
1k
4.7k
(BX20i:US,CND/BX50BTi)
R786
(BX20i:AUS)
∗
∗
0
4.7k
(BX20i:SP)
R486
(EXCEPT BX20i:SP)
RESET SIGNAL
GENERATOR
RESET SWITCH
OUTPUT SELECTOR
LOADING
MOTOR DRIVE
TUNER (FM/AM)
SUPPLIED WITH THE
AM
FM 75
Ω
COAXIAL
ANTENNA
FL RESET
+9V
DISC TRAY
OPEN/CLOSE
DETECT
M001
(LOADING)
(BX50BTi)
ASSEMBLED BLOCK
AC DETECT
(BX50BTi)
(BX20i)
(NC)
Summary of Contents for HCD-BX20I - Compact Disc Receiver Component
Page 69: ...MEMO HCD BX20i BX50BTi 69 ...