Block Diagram - Display/Power Section - Sony STR-DN1050 Service Manual

6-7. BLOCK DIAGRAM – DISPLAY/POWER Section –
F1
VACUUM FLOURESCENT
DISPLAY
F2
ND100
38 40 42
53 FL_LAT
55 FL_CLK
54 FL_DATA
J2701
J2702
SWITCHING
TRANSISTOR
Q2701
6
SIGNAL RECEIVER
CONVERTER.
(MULTIPLEXER/ COM 1 59
DEMULTIPLEXER)
IC2703
7
REMOTE CONTROL
SIGNAL RECEIVER
IC100
ROTARY
MASTER
ENCODER 63 VOLUME_JOG
VOLUME
EN101
ROTARY
INPUT
ENCODER 52 INPUT_JOG
SELECTOR
EN100
S115
65 POWER_KEY
S108 ~ S110,
57 AD_KEY1
S111 ~ S114
S101 ~ S105 58 AD_KEY2
48 PE2/X0
X2100
4MHz
49 PE3/X1
STR-DN1050
BRIDGEABLE_RY
87
LED DRIVER
WHITE_LED 64
Q102
LED DRIVER
FLASH_CLK/POWER_LED 71
Q110
LED DRIVER
STDBY_LED 82
Q111
+5V REG.
+5V
SYSTEM CONTROL
IC3514
IC2100 (6/6)
+5.2V
+5V (USB-VBUS)
SIRCS_IN
USB_PCONT 73
OVERLOAD
USB_OVC 74 4 CONTROL 3
IC4101
+6V_USB
DC CONVERTER
F1
TRANSFORMER
F2
T100
FL_ENABLE 69
+1.2V REG.
+1.2V
IC3508
+2V (DCDC)
+1.2V REG.
+1.2V
IC2500
POWER_RY 98
CD0 DETECTION DRIVER
STDBY_VU_PCONT 84
AC_CUT 93
LED
(PURE DIRECT)
D108
+HV
(VCC)
TO
AUDIO AMP
-HV
SECTION
(VCC)
LED
(ON/STBY)
D110
+7V
+5.2V REG. +6.14V REG.
IC3513 IC1905
+5V
+5V
+5V REG.
+6V REG.
(USB-VBUS)
+3.3V REG.
IC1908
+3.3V
IC4103
IC102
+7V
POWER
5 CONTROL
IC4102
-7V
SWITCHING
SWITCHING
TRANSISTOR
TRANSISTOR
CONTROL
Q101
Q103 ~ Q104
+5V REG.
+5V
IC201
+2.5V REG.
+2.5V (ADV)
IC1910
+2V REG.
IC1907
+3.3V REG.
+3.3V
IC2116
+3.6V REG.
+4.24V (DCDC)
IC1906
+DCDC_NW REG.
DCDC NW
IC1909
+3.3V REG.
IC7001 STBY DCDC
+1.2V REG.
+1.2V
IC7000
+NW_3.3V
+3.3V REG.
+3.3V
IC2115
Q2107
33 33
RELAY DRIVE
Q920
RY920
RECT
D921
F912
F913
+7V REG.
IC351
+5V REG.
IC2117
+5V REG.
IC234
POWER
RECT
D910-913 TRANSFORMER
F910
+7V REG. (MAIN)
IC350 T901
F911
-7V REG.
IC352
RECT
D923
F940
+15V
F941
-5V REG.
-5V
IC202
RELAY DRIVER
Q951
RY951
RECT
D901 ~ D904
+4.2V REG. (STBY)
POWER
IC902
TRANSFORMER
(SUB)
T902
D905
AC OFF DETECT
Q952
STR-DN1050
F901
AC IN