
HCD-HX3/HX5/HX7
35
35
HCD-HX3/HX5/HX7
2-6-10. SCHEMATIC DIAGRAM – MAIN Section (3/3) –
•
See page 46 for IC Block Diagrams.
EP101
EP102
R101
R102
R202
R201
R257
R259
R107
R207
R258
R260
R203
R103
Q313
CN301
IC320
C
2
5
8
C
2
5
6
C268
C
2
6
0
C265
C263
C266
C264
JR102
R398
R385
R399
R396
C355
C306
C303
Q326
Q325
R108
R208
R
4
5
3
R
4
5
2
R406
R405
R407
C253
C254
C269
C206
C106
C249
C149
C250
C251
C150
C151
C305
IC304
R235
R135
R234
R134
CN318
IC313
IC312
IC311
C372
C371
R333
Q321
R352
D210
C370
D212
D211
Q312
Q327
R346
R347
R341
Q330
D213
R408
Q329
CN308
CN315
C323
C322
CN320
CN001
S001
M001
R491
4.7k
47k
47k
4.7k
47k
47k
47k
47k
10k
10k
1k
1k
RT1N141C-TP-1
9P
BA6956AN
0
.0
8
2
0
.0
8
2
0.082
0
.0
8
2
0.047
0.047
0.01
0.01
0
47k
10k
470
10k
0.1
0.1
0.1
2SC3052F
2SC3052F
220
220
0
0
0
1k
1k
2.2
50V
2.2
50V
10
50V
4.7
50V
4.7
50V
1
50V
1
50V
1
50V
1
50V
1
50V
1
50V
10 50V
R2S15904SP
1N4002-B5
1N4002-B5
KTA1271Y-AT
0.1
0.1
5P
5P
100k
B1
B2
B3
B4
C1
C2
C3
C4
21
3
2
23
24
88
89
90
87
GATE
ST_REQ
GPIN/AIN
SFSY/BCKIN
ZDETLRCKIN
BU
CK
BU
S
0
B
US1
XCCE
CCE
BU
C
K1
BUS
1-1
BU
S0-1
28
R
EQ1
R
EQ
BU
S2-1
BU
S
3-1
22
19
REQ
XCCE
BUCK
BUS3
BUS2
BUS1
BUS0
25
L-OUT
R-OUT
CCE
BUCK1
BUS3-1
BUS2-1
BUS1-1
BUS0-1
ZDETLRCKIN
27
REQ1
35
36
38
37
B
US2
BU
S3
OPEN
CLO
SE
48
49
26
6
1
100
56
5
5
RIN
LIN
X
L-O
UT
AIN
L
A
IN
R
R
-O
U
T
Y
69
68
Y
X
AINL
AINR
ST_REQ
GATE
GPIN/AIN
SFSY/BCKIN
CLOSE
OPEN
50
51
47k
JR115
0
JR116
0
47k
2.2k
2.2k
TC74VHC157FT
TC74HC4066AFT
TC74HC4066AFT
0.1
0.1
10k
RT1N141C
100
1SS355W
0.1
KTA1271Y-AT
10k
47k
470
2SC3052F
1N4002-B5
10k
RT1N141C
21P
LRCK
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
DVDD3.3V
DVSS
USB-RST
ST-REQ
CLOCK
DATA
REQ
GATE
A-IN
BCK
DO/STEREO
ST CLK
ST DIN
ST CE
R OUT
AGND
L OUT
+9V
NC
GATE
ST_REQ
DATA
CLOCK
DATA
CLOCK
GPIN/AIN
SFSY/BCKIN
MGND
VM(7V)
DVDD(3.3V)
D-OUT
DGND
SBSY
REQ
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
RST
AGND
L-OUT
DACGND
R-OUT
AVDD(3.3V)
AUDIO IN L
AUDIO IN GND
AUDIO IN R
DGND
HP GND
HP L
HP R
HP DET
AUDIO IN DET
CD DRIVE MUTE
(3/3)
(CHASSIS)
(CHASSIS)
INPUT SELECTOR,
ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
9P
AM
ANTENNA
COAXIAL
FM 75
Ω
THE ASSEMBLED
BLOCK
SUPPLIED WITH
TUNER
(FM/AM)
INVERTER
Q312,313,325,326
B+ SWITCH
LOADING MOTOR DRIVE
B+ SWITCH
Q327,329,330
ZDET/LRCKIN
27P
OPEN SW
CLOSE SW
DGND
CLOSE
OPEN
CLOSE
DGND
CLOSE SW
OPEN SW
OPEN
DISC TRAY
OPEN/CLOSE DETECT
CLOSE
OPEN
(LOADING)
SIGNAL
SELECTOR
DATA BUS
SWITCH
DATA BUS
SWITCH
USB-SI(RXD)
USB-SO(TXD)
DI(CTS)
DO(RTS)
CLOCK
DATA