Sony CMT-HX3 Service Manual page 116

HCD-HX3/HX5/HX7
1-1-4. SCHEMATIC DIAGRAM – MAIN Board (3/3) (for Singapore model of HCD-HX5) –
(3/3)
CN301
9P
AUDIO IN L R101 4.7k
AINL
AUDIO IN GND R102 47k
AUDIO IN R R202 47k AINR
AUDIO IN DET R201 4.7k 69
HP DET 68
DGND
HP L
(Refer to page 40
HP GND
on service manual)
HP R
CN308
25P
GATE
GATE
ST_REQ
ST_REQ
GPIN/AIN
GPIN/AIN
SFSY/BCKIN
SFSY/BCKIN
ZDET/LRCKIN
ZDETLRCKIN
CD DRIVE MUTE
22
MGND C303 0.1
VM(7V) C305 10 50V
DVDD(3.3V) C306 0.1
D-OUT
DGND
SBSY
19
REQ R491 100k
(Refer to page 25 REQ
on service manual)
CCE
XCCE
BUCK
BUCK
BUS3
BUS3
BUS2
BUS2
BUS1
BUS1
BUS0
BUS0
RST 25
AGND
L-OUT R103 1k
L-OUT
DACGND
R-OUT R203 1k
R-OUT
AVDD(3.3V)
EP102
C355
(CHASSIS) 0.1
CN307
19P
CCE
CCE
BUCK BUCK1
BUS3
BUS3-1
BUS2
BUS2-1
BUS1 BUS1-1
BUS0
BUS0-1
DVDD3.3V
DVSS
LRCK
ZDETLRCKIN
USB-RST 27
ST-REQ ST_REQ
REQ
REQ1
(Refer to page 27 GATE
GATE
on service manual)
A-IN
GPIN/AIN
BCK
SFSY/BCKIN
USB-SI(RXD) 35
USB-SO(TXD) 36
DI(CTS) 38
DO(RTS) 37
HCD-HX3/HX5/HX7
Q312
KTA1271Y-AT
LOADING MOTOR DRIVE
IC320
BA6956AN
Q312,313,325,326
R398 R399
47k 470
R385
10k
R405 R406 R407
1k 0 1k
Q327
KTA1271Y-AT
R347
47k
Q327,329,330
R341 R346
B+ SWITCH
470 10k
Q330
2SC3052F
28
Q329
RT1N141C D213
R408 1N4002-B5
10k
R396
10k
C251 C250 C249 C149
1 1 1 1
50V 50V 50V 50V
INPUT SELECTOR,
ELECTRICAL VOLUME,
SURROUND/TONE CONTROL -AUDIO IN-
-USB-
IC304
R2S15904SP
D211 D212
1N4002-B5 1N4002-B5
C252 C106 C206
1 4.7 4.7
50V 50V 50V
B+ SWITCH
Q313
RT1N141C-TP-1
R107 R207
47k 47k
R108 R208
220 220
Q326
2SC3052F
Q325
2SC3052F
D210 R352
1SS355W 100
C370
0.1
DATA BUS DATA BUS
SWITCH SWITCH
IC311 IC312
TC74HC4066AFT TC74HC4066AFT
6 6
R257 R258 R259 R260
47k 10k 47k 10k
C150 C151 C152 C253 C254
1 1 1 2.2 2.2
50V 50V 50V 50V 50V
50
51
CLOSE
OPEN
-CD- -TU-
C268
0.082
C269
10
C263 C265
50V
0.047 0.047
C264 C266
0.01 0.01
Q321
RT1N141C
INVERTER
R333 C371
10k 0.1
JR115 0
X
Y
JR116
0
JR102
R235
0
47k
C372
0.1
R135
47k
R234
2.2k
R134
2.2k
SIGNAL
SELECTOR
IC313
TC74VHC157FT
87
90
89
88
CN320
5P
OPEN SW
CLOSE SW
TO
MOTOR BOARD
DGND
CN001
CLOSE
(Refer to page 35
on service manual)
OPEN
C322
0.1
B3
B4
B1
B2
(Page 4)
C2
C1
C3
C4
(Page 5)
EP101
C323
0.1
(CHASSIS)
CN318
9P
L OUT
+9V
FM 75Ω
R OUT
COAXIAL
TUNER
AGND
(FM/AM)
NC
ANTENNA
SUPPLIED WITH
ST CE
THE ASSEMBLED
BLOCK
ST DIN
ST CLK
AM
DO/STEREO