Read Sony STR-KIV300 Service Manual online
STR-KIV300
STR-KIV300
25
25
6-3. BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
3
1 VO
SYSTEM CONTROLLER
IC6301
(3/3)
SWR1
SWITCHING
REGULATOR
REMOTE CONTROL
SIGNAL RECEIVER
IC7002
LED_PWM3 20
TS_SCL
FL_12V
EN_POWER
IC_UNSW12V
UNSW12V
55
TS_SDA 54
TS_INT 16
TS_RST 21
VACUUM FLUORESCENT
DISPLAY
ND7000
DIN 18
SIRCS_IN 1
1 F-
2 F-
2 F-
VOL+
KEY0 89
"/1
S7000
LED DRIVER
Q7001
WHITE LED
D7002, D7010
BT_LED 22
FAN_CONT 2
LED DRIVER
Q7002
BLUE LED (BT)
D7003, D7008
TH6303
SWITCHING
TRANSISTOR
Q7000
22 VIN
23 VH
21 SW
25 PCONT_FL
36 PCONT1
42 FAN_ON
40 PCONT_PVDD
~ AC IN
F1301
27 F+
28 F+
28 F+
A+5V
UNSW3.3V
+5V REG
IC6307
VO 1
8 VCC
UNSW12V
+1.2V
+1.5V
+1.5V
EN 5
38 PCONT3
56 PCONT_WOL_STANDBY
+4.15V REG
IC7000
VOUT 3
4 VDD
1 CE
1 CE
15 VDD
+3.3V REG
IC7001
VOUT 3
4 VDD
F5303
F5301
1 CE
DCDC5V
DC-DC CONVERTER
IC5307
SW2 14
16 VIN2
1 VIN1
3 FL_DOUT
CLK 19
5 FL_CLK
CS 20
68 FL_CS
TOUCH SENSOR
CONTROLLER
IC7501
C5 1
VOL-
C3 3
FUNCTION
C1 5
9 RESETB
10 INTB
11 SDA
12 SCLK
11 SDA
12 SCLK
DC FAN DRIVER
IC4007
VO 1
FB 2
8 VCC
D4000
D6308
+12V
PWR SUPPLY
Q6304
TH6302
5 EN
65 DRIVER_SD/PVDD_DET
18 AC_CUT
PWR SUPPLY
CONTROL
Q6303
+3.3V
PWR SUPPLY
Q5305
RESET
DRIVER
Q6301
PWR SUPPLY
CONTROL
Q5306
DC FAN
DRIVER
Q4000
D7004, D7006
M
M1
(FAN)
CN4001
2
1
1
SW1 3
10 RESET
SS2 11
3.3V_STB
DC-DC CONVERTER
IC5308
SW1 3
1 VIN1
16 VIN2
SW2 14
EN1 5
EN2 12
EN2 12
+3.3V
PWR SUPPLY
Q5307
PWR SUPPLY
CONTROL
Q5308
3.3V
+3.3V
PWR SUPPLY
Q5309
PWR SUPPLY
CONTROL
Q5310
D3.3V
VOLTAGE DETECT
IC6303
OUT 4
2 VDD
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