Schematic Diagram - Main Section (3/3) - Sony HCD-HX50BTR Service Manual

6-17. SCHEMATIC DIAGRAM - MAIN Section (3/3) -

C1
(Page 31)
C2
C3
C4
C5
C6
CN501
AUDIO IN L
AUDIO IN GND
AUDIO IN R
AUDIO IN DET
HP DET
HP L
(Page 39) HP GND
HP R
LOADING MOTOR DRIVE
CN720
M001
(LOADING)
S001
CLOSE
DISC TRAY
OPEN/CLOSE
OPEN DETECT
CN001
5P
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
• See page 44 for IC Block Diagrams.
C147
1 50V
R128
R126
100k
HX50BTR/
HX70BTR/
C148
HX90BTR
1
50V
C247
1
50V
IC510
OUTPUT
MC14052BD
SELECTOR TR2
8P
R101 4.7k
R102 47k
R201 R202
4.7k 47k
Q702
KTC3205Y-A
IC701
BA6956AN
C361
1
R346
I+
47
GND
I-
VM
VCC
O-
R707
GND
1k
R708 0
O+
VC
C706
R705
1
1k
C722
0.1
5P
OPEN
CLOSE
DGND
CLOSE SW
OPEN SW
(Page 32)
(3/3)
JR101
0
(HX80R)
R504 R521
1k 10k
100k
JR201 0
(HX80R)
Q504
RT1P141C
Q511
RT3X99M
Q389
RT1N141C
Q388
RT1N141C R510
C516 10k
INVERTER
0.1
Q511 Q389,504
MUTING MUTING
CONTROL SWITCH
Q716
R732 ISA1235AC1TP-1EF
R709 R710 R711
C716 22k
22 22 22
1
R715
100k
Q426
Q703
RT1N141C
KTC3203Y-A Q706
KTC3203Y
C355 C356 R308
Q707
1 R362 Q704 1 100
RT1P141C
100 RT1P141C
Q426,716
SHUT DOWN
Q392 C702
Q393
RT1N141C 470 CONTROL
RT1N141C
10V
SWITCH
Q393,702-704 Q392,706,707
+3.3V +3.3V
REGULATOR REGULATOR
R103
1k
CN701
27P
33 33
HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
C107 1 50V R111
R211
C212 C207
R217 R215
R216 220
1
100k 22k
47 10V 50V
Q387,551
MUTING CONTROL
SWITCH
R561
2.2k
Q551
RT1P141C
IC551
NJM4580MD
Q554
RT3X99M
HEADPHONE
AMP
C108
Q387
22p
RT1N141C
C112
R116
220
R117
47
100k 10V
R115 22k
Q554 MUTING
100
R751
100
26
BUS
SWITCH
IC754
TC74HC4066AFT TC74HC4066AFT
C753 0.1
C754 0.1
BUS SWITCH
C715
0.1
C701
470
10V
(Page 23)
R107
10k
D551
1SS355W
R207
10k
1k R112 100k
1k R212 100k
Q555
KTC3198GR
R213
RIPPLE
4.7k
FILTER
C208
R575
22p
2.2k
R585
10k
R577
22k
R584
1k
R578 C562
2.2k 220 C566
10V 100
16V
C564
C563
220
0.1
10V
R113
4.7k
DATA
25
SELECTOR
R752
10k
R764 R761
100k 100k
Q325
RT1N141C
INVERTER
IC753 IC751
TC74VHC157FT
C751
0.1
CN751
21P
(Page 25)