Sony HCD-DZ280 - Block Diagram -POWER Section

HCD-DZ280/DZ680/HDZ284/HDZ485
HCD-DZ280/DZ680/HDZ284/HDZ485
3535
6-5. BLOCK DIAGRAM – POWER Section –
7FL_CLK/LED_CLK
30VEE
F1
S2 – 16
ND5000
FLUORESCENT
INDICATOR
TUBE
T5000
DC/DC
CONVERTER
TRANSFORMER
T901
MAIN
TRANSFORMER
D931
+31V
(DIGITAL AMP)
D901
D905
T903
SUB
TRANSFORMER
Q5000
DC/DC
CONVERTER
D5000
D5001
D5002
5FL_D_OUT/LED_DATA
3
IC503 (5/5)
SYSTEM CONTROL
IC5001
FL DISPLAY
DRIVER
95 KEY1
FUNCTION
KEY
S5000,5103
94 KEY2
ROTARY
SWITCH
VOLUME
S5113
12 RESET
RESET
E4V
20 AC CUT
4 SIRCS_IN
97 KEY0
7VIN
4VCC
Q922
+21V REG.
PC902
FEED BACK
PC904
STANDBY
CONTROL
Q930
POWER
CONTROL
Q100,101
B+ SWITCH
IC923
SHUNT REG.
IC921
SWITCHING
REGULATOR
IC510
+3.3V REG.
IC507
+5V REG.
IC452
+5V REG.
IC509
+5V REG.
IC932
SHUNT REG.
IC1105
+3.3V REG.
IC1107
+3.3V REG.
IC1708
+3.3V REG.
IC504
+5V REG.
IC4001
+5V REG.
IC5000
+3.3V REG.
IC3050
+1.8V REG.
D902
D923
Q921
D947
D503
PS954
P.CONT3P.CONT3
E4V
E+4V
6V
+6V
E3.3V
+4V
(S-AIR-CON)
DZ904
2FB
1ZC
9D
3D
4VCC
IC901
SWITCHING
REGULATOR
F901
LF901,902
FILTER
PC901
FEED BACK
PC903
STANDBY
CONTROL
Q943,947
POWER DOWN
DETECT
Q5001—5003
LED DRIVER
Q949,950
POWER
PROTECT
EN
5FB/OLP
8CLK
7DIN
9STB
FUNCTION
KEY
S5100—5102
D501
73 KEY_INT
ROTARY
SWITCH
OPERATION
DIAL

S5111
S5109
/
!/
S5400
15
–
29
G1 – 12
42
–
31
F2
5V
FL_CS
1LED1
2LED2
3LED3
39P.CONT1
+3.3V2
(IC1101)
+3.3V1
(IC1101)
USB 5V
VBUS_SW
DZ280/DZ680
VIDEO+5V
(DMPORT)
+5V
D3.3V
+1.8V
5V
(FL)
SW3.3V
+5V
+1.8V
(IC1101)
+3.3V3
(IC1101)
RF+3.3V
(IC1101)
P.CONT1
41WRITE EMP P_CONT3
Q501
RESET
IC506
RESET
IC5002
REMOTE
CONTROL
RECEIVER
D911
PS956
D916
F945
Q945
B+ SWITCH
D912
M+14V
M+9V
P.CONT1
12V
M+14V
M+9V
+9V
A12V
IC941
+12V REG.
IC4009
+9V REG.
IC1110
+1.8V REG.
IC4009
+9V REG.
(AC IN)
Q901
POWER CONTROL
I
AMP
SECTION
H
AUDIO
SECTION
J
AUDIO
SECTION
DZ680/HDZ485
DZ280/DZ680
HDZ284/HDZ485
IC4003
+5V REG.
+5V
HDZ284/HDZ485
DZ280/DZ680
15
13
X501
5MHz
Xin
Xout
i-ENHANCER
D5005
MUSIC
D5004
MOVIE
D5003
(Page 33)
(Page 33)
(Page 34)