Block Diagram - Display/Power Section - Sony STR-DN840 Service Manual

STR-DN840
5-6. BLOCK DIAGRAM – DISPLAY/POWER Section –
VACUUM FLOURESCENT
DISPLAY
ND100
38 40 42
REMOTE CONTROL
SIGNAL RECEVER
IC101
ROTARY
MASTER
ENCODER
VOLUME
S121
ROTARY
INPUT
ENCODER
SELECTOR
S120
S115
S108 ~ S110,
S111 ~ S114
S101 ~ S105
X2100
4MHz
STR-DN840
F1
BRIDGEABLE_RY 87
F2
LED DRIVER
WHITE_LED 64
LED DRIVER
FLASH_CLK/POWER_LED 71
53 FL_LAT
55 FL_CLK
LED DRIVER
54 FL_DATA STDBY_LED
82
SYSTEM CONTROL
IC2100 (6/6)
+5V (USB-VBUS)
59 SIRCS_IN
+5V (USB-VBUS)
63 VOLUME_JOG
52 INPUT_JOG
DC CONVERTER
F1
TRANSFORMER
F2
T100
FL_ENABLE 9
+2V (DCDC)
65 POWER_KEY
+1.2V
57 AD_KEY1
+1.2V
POWER_RY 98
58 AD_KEY2
PWR_SW_A 85
48 PE2/X0
49 PE3/X1
PWR_SW_B 84
AC_CUT 93
LED
(PURE DIRECT)
Q105
D104
+HV
(VCC)
TO
AUDIO AMP
Q110 LED
-HV
SECTION
(ON/STBY) (VCC)
D110
Q111
+7V
+5V REG.
+5V
(USB-VBUS)
IC4102
+5V
+5V REG.
+3.3V
(USB-VBUS)
IC4103
+7V
+5V REG.
+5V
IC3503
-7V
+6V REG.
+6V (DCDC)
IC1904
SWITCHING
SWITCHING
TRANSISTOR
TRANSISTOR
CONTROL
Q102
Q103 ~ Q104
+2V REG.
IC1903
+1.2V REG.
+3.6V REG.
+3.6V (DCDC)
IC3508 IC1902
+1.2V REG.
IC2500
+DCDC_NW REG.
DCDC NW
IC1901
+1.2V REG.
+1.2V
IC7000
+NW 3.3V
24 24
RELAY DRIVE
Q920
RY920
RECT
D921
F912
F913
+7V REG.
IC351
+5V REG.
IC2106
+5V REG.
IC2110
+3.3V REG.
RECT
IC102
D910-913
F910
+7V REG.
IC350
F911
-7V REG.
IC352
RECT
D923
F940
+15V
F941
RELAY DRIVER
Q901
RECT
D900 ~ D901,
D904 ~ D905
+3.3V REG. (STBY)
STBY +3.3V
IC901
D902
AC OFF DETECT
Q900
POWER
TRANSFORMER
(MAIN)
T901
F901
RY951
POWER
TRANSFORMER
(SUB)
T902
AC IN