Block Diagram -Power Section - Sony HCD-DZ280 Service Manual

6-5. BLOCK DIAGRAM – POWER Section –
IC503 (5/5)
SYSTEM CONTROL
S5000,5103
FUNCTION
95 KEY1
KEY
S5100—5102
FUNCTION
97 KEY0
KEY
FL_CLK/LED_CLK
S5400
FL_D_OUT/LED_DATA
/
D501
73 KEY_INT
S5113
ROTARY
VOLUME
SWITCH
S5111
OPERATION
ROTARY
DIAL
SWITCH
S5109
94 KEY2
AUDIO RESET
J
SECTION
(Page 33)
IC506 Q501
E4V 12 RESET
RESET RESET
20 AC CUT
IC5002
REMOTE
4 SIRCS_IN
CONTROL
RECEIVER
13 Xout
X501
5MHz
15 Xin
WRITE EMP P_CONT3
HCD-DZ280/DZ680/HDZ284/HDZ485
DC/DC
CONVERTER
D5000
TRANSFORMER
IC5001
FL DISPLAY
DRIVER
VEE 30
D5001
D5002
7 8 CLK
15
5 7 DIN
S2 – 16
ND5000
29
F1
FL_CS 3 9 STB FLUORESCENT
F2
INDICATOR
42
TUBE
G1 – 12
31
LED1 1
Q5001—5003
LED2 2
LED DRIVER
LED3 3
IC1105
+3.3V3
+3.3V REG.
(IC1101)
IC1107
RF+3.3V
+3.3V REG.
(IC1101)
IC1708
+3.3V2
+3.3V REG.
(IC1101)
+3.3V1
(IC1101)
P.CONT1
P.CONT1 39
IC509
USB 5V
+5V REG.
AUDIO VBUS_SW
H
SECTION
(Page 33)
VIDEO+5V
(DMPORT)
DZ280/DZ680
+5V
IC1110
+1.8V
+1.8V REG.
(IC1101)
D3.3V
IC3050
+1.8V
+1.8V REG.
5V
(FL)
IC5000
SW3.3V
+3.3V REG.
P.CONT3
41
DZ280/DZ680
+5V
HDZ284/HDZ485
+5V
T5000
+31V
(DIGITAL AMP)
5V
D5003
MOVIE
D5004
MUSIC
D5005
i-ENHANCER
AMP EN
I
SECTION
(Page 34)
M+14V
M+14V
12V
A12V
P.CONT1
F945
M+9V
M+9V
DZ280/DZ680
IC4009
+9V
+9V REG.
IC452
+5V REG.
IC4009
+9V REG.
HDZ284/HDZ485
IC507
+5V REG.
+6V
IC510
+3.3V REG. E+4V
E4V
E3.3V
D503
IC504
+5V REG.
DZ680/HDZ485
Q100,101
+4V
B+ SWITCH
(S-AIR-CON)
IC4001
+5V REG.
IC4003
+5V REG.
35 35
T901
MAIN
D901
D931
TRANSFORMER
D905
Q901
POWER CONTROL
PC901
FEED BACK
IC932
SHUNT REG.
Q943,947 PC903
POWER DOWN STANDBY
DETECT CONTROL
Q949,950
POWER
PROTECT
T903
SUB
D912
TRANSFORMER
IC941
+12V REG.
D916
Q945
B+ SWITCH
PS956
D911
6V
PS954 D947 D902 DZ904
Q922
+21V REG.
PC902
FEED BACK
IC923
SHUNT REG.
Q921
Q930 PC904
P.CONT3
POWER STANDBY
CONTROL CONTROL
HCD-DZ280/DZ680/HDZ284/HDZ485
F901 (AC IN)
LF901,902
FILTER
IC901
SWITCHING
REGULATOR
3 D
4 VCC
5 FB/OLP
IC921
SWITCHING
REGULATOR
7 VIN
9 D
4 VCC
2 FB
1 ZC
D923