Block Diagram -Display/Power Supply Section - Sony HCD-EX6 Service Manual

6-3. BLOCK DIAGRAM –DISPLAY/POWER SUPPLY Section –
LCD301
LIQUID
CRYSTAL
DISPLAY
PANEL
LED
D306
DRIVER
28
(LCD BACK LIGHT)
Q301
DIMMER
CONTROL 25
Q402
+4V REG
+9V
Q401
D313-317
(VOLUME)
LED
DRIVER 27
Q320
REMOTE CONTROL
SIGNAL RECEIVER 3 9
IC302
14
X301
32.768kHz
13
93
X302
6MHz
92
SW471-478
SW481-489
37
38
KEY MATRIX
S491
ROTARY 41
ENCODER
(VOLUME)
SW492 SW491
DISPLAY _/1
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
SP-L
EX6T/EX8T/EX9T
TP-ON
TAPE/AUDIO
D
+9V
SECTION
(Page 22)
PROTECT
COM0-COM3
O-POWER
I-P-MONI 36
SEG0-SEG32
O-LED-LCD
O-CD-ON 26
O-DIMMER1
+3.3V REG
AVDD+3.3V
Q451,452
DVDD+3.3V
SYSTEM CONTROLLER
CD VM+7V
IC301 (3/3)
+9V
I-5V/9V-DET 40
VBUS+5V
O-LED-VOL
I-RMC
X1A
O-5V-ON 4
X0A
X0
RESET
X1
I-RST 54
Q306
I-KEY1
I-HOLD 42
I-KEY2
6
P66
1
RST
2
MD0
MD0 53
3
I-KEY-WAKE-UP/VOL
MD2
MD2 51
CN305
7
P65 (
FLASH
PROGRAMMING
8
RXD
RXD
CD/TUNER
C
9
TXD
SECTION
TXD
(Page 21)
10
TAPE/AUDIO SCLK
E
REC-MUTE
SECTION
(Page 22)
D730
R-CH
FAN MOTOR
UNREG+15V DRIVE
TAPE POWER
Q731,732,741
CONTROL M+9V
Q607,609
PROTECT
DETECT
Q770-772
D022
PROTECT
DETECT
Q013
D023
EX6/EX6T
D024
RECT
D017,018
UNREG+15V
EX8/EX8T/EX9/EX9T
+9V REG
3 1
IC690
D452,453
SWITCHING
DC-DC
REGULATOR
CONVERTER
Q051,052
IC050
5
V+
ON/OFF
SWITCH 4 OUT IN- 1
Q053
CS
6
VOLTAGE
DETECT
Q054
POWER
CONTROL
Q050
D303
+4V REG
SYSTEM+3.3V
Q302,303
D301
VOLTAGE
DETECT
Q304,305
+5V REG
)
CD MOTOR+5V
Q309,310
23 23
+
FAN901
DC FAN
–
MAIN POWER
ON/OFF CONTROL
Q001
D019
PROTECT
PT004
DETECT
(EX6/EX6T)
Q011,012
PT005
D020
(EX8/EX8T/EX9/EX9T)
POWER
TRANSFORMER
(MAIN)
RECT
D015,016
+B
-B
RECT
D010
(EX9/EX9T)
D011-014
(EX6/EX6T/EX8/EX8T)
D003
PT001
POWER
TRANSFORMER
(SUB)
RECT
D001,002
V-STBY
E2,E4,E51
MODEL
VOLTAGE
DETECT
Q307,308
A re ia ion
D322
AR: Ar en ina model
E2: 120V AC area in E model
E4: 220-240V AC area in E model
E51: C ilean and Per ian model
MX: Mexican model
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
RY001
(MX MODEL)
RY002
(EXCEPT MX MODEL)
MX MODEL
AC IN ~
EXCEPT
MX MODEL
MX
MODEL
E2,E4,E51 MODEL
AR MODEL -2
S001
VOLTAGE
SELECTOR
120V
-1
MX MODEL
220V
230-240V
AR MODEL