Sony HCD-EX99 - Block Diagram: Display;Power Section

HCD-EX66/EX88/EX99
HCD-EX66/EX88/EX99
1919
26
I-KEY0
I-KEY1
I-KEY2
83
I
86
45
I
53
56
I
79
SEG0
I
SEG32
COM3
I
COM0
25
24
29
I-RMC
+12V
PVDD
3
REMOTE CONTROL
SIGNAL RECEIVER
IC301
S301,303–309,
312–316
KEY MATRIX
ND301
LIQUID
CRYSTAL
DISPLAY
PANEL
27
I-PROTECT-F
VREF
PROTECT-F
SYSTEM CONTROL
IC302 (3/3)
RECT
D943
VOLTAGE
DETECT
IC932 (EX88)
IC932 (EX99)
VOLTAGE
DETECT
IC966 (EX88)
IC966 (EX99)
K
38
O-SUB-ON
34
I-V2-MONI
37
O-MAIN-ON
39
O-VBUS-ON
40
I-VBUS-OCP
43
O-LCD-LED
12
SUB CLOCK
X301
32.768kHz
X302
20MHz
13
SUB CLOCK
15
MAIN CLOCK
16
MAIN CLOCK
+9V
+3.3V(A)
+5.7V REG
Q301
E+4V
D301,302
LCD BACK
LIGHT
5
O-DIMMER
10
O-VOL-LED
28
I-AC-CUT
2
VDD
1
OUT
LED
DRIVER
Q303
DIMMER
CONTROL
Q302
LED
DRIVER
Q304
RESET
Q310
RESET
IC307
I-RST
4
1
4
6
7
3
VREF
K
4
3
VREF
VOLTAGE
DETECT
IC932
K
4
3
VOUT
4
VIN
VCONT
2
OUT
1
VDD
V2
V2
PVDD
+12V
+3.3V(C)
+3.3V(A)
+9V
VBUS+5V
2
OUT
V2
V2
PVDD
EX88/EX99
EX66
PVDD
EX66
EX88/
EX99
1
VDD
2
3 1
1
OVER CURRENT
DETECT
Q600,601 (EX88)
Q602,603 (EX99)
+19V REG (EX88)
+22V REG (EX99)
Q965
POWER
CONTROL
Q934,935
POWER
ON/OFF
Q932
D937
DC-DC
CONVERTER
IC931 (EX88)
IC931 (EX99)
D941
T901
DC-DC CONVERTER
TRANSFORMER (MAIN)
T903
DC-DC CONVERTER
TRANSFORMER (SUB)
T901
DC-DC CONVERTER
TRANSFORMER
D
VCC
FB
OCP/BD
DC-DC
CONVERTER
IC965 (EX88)
IC965 (EX99)
D
VCC/OVP
BD
FB/OLP
VCC/OVP
BD
FB/OLP
DC-DC
CONVERTER
IC930
 AEEUHYLDWLRQ
EA SDXGL AUDELD PRGHO
D
PH930
ISOLATION
VOLTAGE
DETECT
Q930
1
3
6
5
1
3
6
5
PH931
ISOLATION
PH965
ISOLATION
PH930
ISOLATION
POWER
CONTROL
Q933
VOUT
4
VIN
E+4V
+3.3V(B)
+13V
M+7V
2
SW
VBUS+5V REG
IC703 (EX66)
IC703 (EX88)
IC703 (EX99)
2
5
IN
1
VOUT
4
1
VIN
2
3
+9V REG
IC701 (EX66)
IC701 (EX88)
IC701 (EX99)
D315
VC
SS
+4V REG
IC700 (EX66)
IC700 (EX88)
IC700 (EX99)
+7V REG
IC702 (EX66)
IC702 (EX88)
IC702 (EX99)
1
POWER
CONTROL
Q970
STANDBY
CONTROL
Q308,309
POWER
CONTROL
Q702,703
VBUS OCP
DETECT
Q704
POWER
CONTROL
Q700,701
POWER
CONTROL
Q601,602
D972
D970
+22V
LIMITER
Q930
D934
D940
RECT
D967
RECT
D965
F931
VOLTAGE DETECT
IC604
+12V REG
IC602
VOLTAGE DETECT
IC603 (EX66)
IC603 (EX88)
IC603 (EX99)
D967
RECT
D981
+12V REG
IC602 (EX88)
IC602 (EX99)
POWER
CONTROL
Q602,603 (EX88)
Q600,601 (EX99)
42
O-STBY-SW
F901
L901,902 (EX88/EX99)
L903 (EX66)
L904 (EX66: EA MODEL)
AC IN ~
RECT
D901 (EX88)
D902 (EX66/EX99)
TH901 (EX66)
TH902 (EX88/EX99)
D303,305,307,
309,310
C
CD SECTION
D
TUNER/AUDIO
SECTION
5-3. BLOCK DIAGRAM –DISPLAY/POWER Section –
(Page 17)
(Page 18)