Sony HCD-M90 - Block Diagrams - Key Control;Power Supply Section; System Controller and Power Supply Circuits

HCD-M90
3434
36 – 34
KEY1 – KEY3
LIQUID CRYSTAL
DISPLAY
LCD802
SIRCS
4
12RESET
RESET SIGNAL
GENERATOR
IC602
D333
D620
SYSTEM CONTROLLER
D814
(STANDBY)
LED DRIVE
Q809
CD-SYNC
LED
47
STAND-BY LED
42
LED DRIVE
Q807
DSG-LED45
LED DRIVE
Q806
TUNER
D810
TU-LED
49
LED DRIVE
Q805
DVD
D809
CD-LED
96
D/A CONVERTER
B+
B+
SWITCH
Q302
+9.5V
REGULATOR
Q301
82
STBY RLY
RECT
D906 – 909
RELAY DRIVE
Q902
RECT
D902 – 905
+12V
REGULATOR
Q355
+4V
REGULATOR
IC904
TUNER ON
SWITCH
Q303, 304
AMP +16V
AMP – 16V
D921
RECT
D910 – 913
D804 – 806
(LCD BACK LIGHT)
TU +9.5V
COM +8V
COM +12V
40TUNER ON
65SYSPWR
SW +3.3V
U-COM +3.3V
T902
MAIN POWER
TRANSFORMER
T901
SUB POWER
TRANSFORMER
RY901
(Singapore)
(EXCEPT Singapore)
(AC IN)
VOLTAGE
SELECTOR
S901
BACKUP +4V
S801 – 820
10
11
X801
32.768KHz
15
13
X802
16MHz
XCIN
XCOUT
XIN
XOUT
POWER ON/OFF
RELAY DRIVE
Q902
TC +3.3V
+3.3V
REGULATOR
Q309
+8V
REGULATOR
IC304
LCD STB
6
LCD RS
3
LCD DATA
5
LCD SCK
7
20
AC CUT
REMOTE CONTROL
RECEIVER
IC802
D919, 920
D622
RESET SWITCH
Q619
RESET SWITCH
Q618
D604
B+ SWITCH
Q635, 637
LED B+
+14V
+5V
REGULATOR
IC614
D+5V
A+3.3V
SERVO DSP
+3.3V
AV DECODER
+3.3V REGULATOR
IC301
+3.3V REGULATOR
IC502
D+3.3V
+1.8V
SERVO DSP,
AV DECODER
+1.8V
AV DECODER
+1.8V REGULATOR
IC006
M+12V
+1.8V REGULATOR
IC501
+4V
REGULATOR
IC605
COM +5V
COM +3.3V
+5V
REGULATOR
IC902
+3.3V
REGULATOR
IC903
+12V
REGULATOR
IC901
+12V
REGULATOR
IC901
POWER SWITCH
Q904
RECT
D914 – 917
74 POWER KEY
S803
51
BACK LIGHT
LED DRIVE
Q808
TAPE
D812
TC-LED
46
CD SYNCHRO
D813
DSG
D811
D602
IC802 (SUFFIX-11)
IC802 (SUFFIX-12)
IC306 (4/4) (SUFFIX-11)
IC306 (4/4) (SUFFIX-12)
LED DRIVE
Q811
LED DRIVE
Q812, 813
IC602 (SUFFIX-11)
IC602 (SUFFIX-12)
IC605 (SUFFIX-11)
IC605 (SUFFIX-12)
IC614 (SUFFIX-11)
IC614 (SUFFIX-12)
IC304 (SUFFIX-14)
IC304 (SUFFIX-16)
IC904 (SUFFIX-11)
IC904 (SUFFIX-12, -21)
IC301 (SUFFIX-21) IC301 (SUFFIX-22)
IC502 (SUFFIX-21) IC502 (SUFFIX-22)
IC006 (SUFFIX-21) IC006 (SUFFIX-22)
IC501 (SUFFIX-21) IC501 (SUFFIX-22)
IC902 (SUFFIX-11)
IC902 (SUFFIX-12, -21)
IC903 (SUFFIX-11)
IC903 (SUFFIX-12, -21)
IC901 (SUFFIX-11)
IC901 (SUFFIX-12, -21)
(SUFFIX-12)
6-6. BLOCK DIAGRAM – KEY CONTROL/POWER SUPPLY Section –
Ver 1.3
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