Block Diagram -Power Section - Sony HCD-DZ370 Service Manual

HCD-DZ370/DZ560/DZ570/DZ660/DZ777
Q Q
3 7 6 3 1 5 1 5 0
6-5. BLOCK DIAGRAM – POWER Section –
S102 – 104
FUNCTION
KEY
S100,101
FUNCTION
KEY
S105,106
FUNCTION
KEY
S108
/
D505
S107
ROTARY
VOLUME
ENCODER
T E
L 1 3 9 4 2 2 9 6 5 1 3
IC503 Q503
E4V
RESET RESET
IC101
REMOTE
CONTROL
RECEIVER
w w w
HCD-DZ370/DZ560/DZ570/DZ660/DZ777
IC501 (5/5)
SYSTEM CONTROL
94 AD KEY2
IC100
FL DISPLAY
DRIVER
95 AD KEY1
VEE 30
97 AD KEY0
FL_CLK/LED_CLK 21 8 CLK
15
FL_D_OUT/LED_DATA 24 7 DIN
S2 – 16
29
FL_CS/STB 23 9 STB
F1
F2
42
G1 – 12
31
74 KEY INT
10 ENA
11 ENB DZ370/DZ570/DZ777
+5V
(IC404)
+5V
(IC400)
DZ560/DZ660
+3.3V3
(IC1101)
VDD3.3V
(IC1101)
15
X IN
X501
RF+3.3V
5MHz
X OUT
13
+3.3V5
+3.3V4
12 RESET VIDEO 5V
(DMPOART)
P.CONT2
20 AC CUT P.CONT2 40
P.CONT1
P.CONT1 39
USB 5V
4 SIRCS_IN
VBUS_SW
AUDIO
I
SECTION
(Page 40)
A+5V
+5V
+1.8V
(IC1101)
D3.3V
+1.8V
5V
(FL)
SW3.3V
P.CONT3
WRITE EMP P_CONT3 41
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y
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http://www.xiaoyu163.com
T100
DC/DC
CONVERTER
D100
TRANSFORMER
D101
F1 5V
F2
FL100
FLUORESCENT
INDICATOR
TUBE
IC620
+5V REG.
IC620
+5V REG.
IC1105
+3.3V REG.
AMP
SECTION
(Page 41)
IC1107
+3.3V REG.
IC1708
+3.3V REG.
Q Q
3 7 6
M+14V
IC201
A12V
+5V REG.
IC504
M+9V
+5V REG.
DZ560/DZ660
+9V
+9V REG.
IC507
DZ370/DZ570/DZ777
+5V REG.
+9V REG.
IC505
+5V REG.
+6V
IC1110
+1.8V REG.
IC506
+3.3V REG.
E4V
IC3050
+1.8V REG.
E3.3V
BUP3.3V
IC502
+5V REG.
IC102
+4V
+3.3V REG.
(S-AIR)
u 1 6 3
42 42
2 4
8 9 9
T901
MAIN
D931
TRANSFORMER
+31V
(DIGITAL AMP)
D905
PC901
FEED BACK
IC931
SHUNT REG.
Q943,947 PC903
POWER DOWN STANDBY
DETECT CONTROL
Q949,950
EN
H
POWER
PROTECT
T903
SUB
D912
TRANSFORMER
3 M+14V 1 5 1 5 0 8 9
12V IC941
+12V REG.
P.CONT1
D916
M+9V Q945
B+ SWITCH
IC413
D941
IC413
PS956
D911
6V
PS954 D947 D902
E+4V
D502
PC902
Q120,121
FEED BACK
IC922
B+ SWITCH
SHUNT REG.
Q930 – 932 PC904
P.CONT3
POWER STANDBY
CONTROL CONTROL
m
c o
.
2
8 9 9
(AC IN)
F901
LF901,902
D901
FILTER
IC901
SWITCHING
REGULATOR
3 C
Q901
4 VCC
ON/OFF SWITCH
5 FB
2 4 9 8 2 9 9
IC921
SWITCHING
REGULATOR
7 VIN
9 D
DZ904
Q922
4 VCC
+21V REG.
2 FB
1 ZC
D923
Q921