Sony HCD-MDX10 - Compact Disk Deck Receiver Component Service Manual page 46

HCD-MDX10
– MAIN POWER/SUB POWER SECTION –
F RELAY
FRONT
DBFB
STK MUTE
RY-SW
PROTECTOR
AC CUT
J
MD H+5V
3
RDS D+5V UN SW
MAIN
D+5V UN SW
SECTION
(Page 48)
D+5V SW
POWER ON/OFF
CD D+5V (SW)
CD A+5V (SW)
MD A3.3V
MD 3.3V
MD BACKUP
5.6V (RED)
FL SW ON/OFF
STANDBY RELAY ON/OFF
BD (MD)
SECTION (2)
(Page 46)
RESET
F RESET 3 5
IC371
09
POWER AMP
IC801
Lch
18 14
16
OVER LOAD
+VH SUPP
DET
+VH
Q803, 805
Q801
Rch
MUTE
SWITCH
Q804
IC905 RECTIFIER
1
REG D911
+5V (SWBY) (DISPLAY)
+5V OUT IC902
3
Q905 REG
SWITCH
Q904
+7V REG
A+7V
Q901,902,913
SWITCH
Q906, 903
+5V REG
Q907
RECTIFIER REG OUT IC904 RECTIFIER
3 1
D921 Q921 REG D918
–7V REG
A–7V
Q951,952,914
RECTIFIER
D919
IC901
CD/MD MOTOR +7V 3
+7V REG
RECTIFIER
D920
+10V REG
IC903
3
ST+10V
Q909
+12V REG
TC MOTOR +12V
– 53 –
HP.L
RY401
RELAY
VH+
DRIVE
Q435, 436, 431
Rch
SWITCH
Q437
PROTECT
MUTE MUTE
CONTROL
SWITCH SWITCH
Rch
Q432 - 434
Q439 Q439
+5.6V (SWBY)
D508
T881
1 POWER TRANSFORMER
+VH
RECT
AC1
D831
–VH DISPLAY
(VIA POWER)
AC2
+VL
RECT
AC2
D832
–VL
AC1
E
AC3
+12V
RECT
-12V
D901-904
AC3
AC4
RECT
1
D907-910
AC4
1
TM401
FRONT
FRONT
SPEAKER
J701
PHONES
HP
Rch
HPLCH
MUTE
SWITCH
Q412, 411
T11
SUB TRANSFORMER
RECTIFIER
D24, 25
SUB TRANS. D+5.6V
RECT
IC11
3 1
D12-15
5.6V REG
-26V REG RECT
VG
Q12, 13 D17-20
VF
COM MON
VF BUFF
VF
Q14, 15
SWITCH
Q16, 17
RELAY DRIVE
Q11
– 54 –
• R CH : Same as L ch
• SIGNAL PATH
: FM
AC
IN
VS11
VOLTAGE
SELECTOR
RY11
US, Canadian