Block Diagram - Power Supply Section - Sony STR-DG820 Service Manual

STR-DG820
6-5.

BLOCK DIAGRAM - POWER SUPPLY Section -

SYSTEM CONTROLLER
IC7001 (4/4)
155 FL_DATA
ND701
156 FL_CLK
FLUORESCENT
154 FL_LATCH
INDICATOR TUBE
XM_POWER
153 FL_BK
REMOTE CONTROL
RECEIVER 119 SIRCS-IN
IC701
SW1 (1/2)
POWER
STBY +3.3V 2 POW-SW_DET
TX_5VPWR
(Page 15) N
S711, 712
98 AD-KEY1
S701 – 705
99 AD-KEY2
S113 – 115,
100 AD-KEY3
S708
S715
16 FUNC1
ROTARY
INPUT
ENCODER
15 FUNC2
SELECTOR
S722
ROTARY 10 VOL1
MASTER
ENCODER 9 VOL2
VOLUME
RV103 18 TUNE1
ROTARY
ENCODER
– TUNING + 17 TUNE2
RV104 ROTARY 20 TONE1
– TONE + ENCODER 19 TONE2
D701
ON/STANDBY
LED DRIVE
(GRN) 3 LED_STDBY
Q709, 710
BRIDGABLE_RELAY
LED DRIVE
(RED)
Q701, 711
POWER_DETECT
(Page 17) R
RST_TRG
STR-DG820
(US, Canadian)
+3.3V
XM +3.3V REGULTOR
IC101
+5V
XM +5V REGULTOR
IC107
+5.3V
B+ SWITCH
XM +5.3V
REGULTOR
Q105, 106
IC106
145
+5V
DMPORT +5V REGULTOR
IC2240
+5V
HDMI +5V REGULTOR
IC3509
+5V
HDMI +5V
REGULTOR
(FOR TX)
IC3510
+3.3V
HDMI +3.3V REGULTOR
IC3511
+1.8V
HDMI +1.8V REGULTOR
IC3512
D3511, 3512
+3.3V
DSP +3.3V REGULTOR
IC2241
+1.26V
DSP +1.26V REGULTOR
IC5015
+2.5V
+2.5V REGULTOR
IC2242
22
POW_RY 171
RESET SIGNAL
GENERATOR
IC7003
RESET
INTIX 131 SWITCH
IC7002
RESET SIGNAL
BUFFER
IC7004
126
STOP 170
+6.2V
REGULTOR
IC4000
+4V
REGULTOR
IC4001
FOR FLUORESCENT
INDICATOR TUBE
RECT
D704 – 707
T701
DC/DC
Q705, 706
TRANSFORMER
VIDEO +5V
+5V REGULTOR
IC2230
+7V
TUNER +9V
+15V
–15V
VIDEO –5V
–7V
B+
B–
POWER AMP B–
OVER LOAD
DETECTOR
IC565
+3.3V +5V
STBY +3.3V REGULTOR REGULTOR
IC7006 IC910
18 18
Abbreviation
ECE : Continental european, East European and Russian models
F4001
RECT
D4001
F4002
+12V
REGULTOR
IC708
OSC
+5V
REGULTOR
IC201
+5V
+7V
REGULTOR
IC350
+9V
REGULTOR
IC7007
RECT
D910 – D913
–5V
REGULTOR
IC202
–7V
REGULTOR
IC352
RECT
D921
RELAY DRIVE
Q920
RY920
LIMITER
SWITCH
Q500, 501
RECT
D940 – 943
(US, Canadian)
REGULTOR RECT
Q912 – 914 D915 – 918
D914 D922
(AEP, ECE, UK)
AC OFF DETECT
Q910
D919, 920
T901
MAIN POWER
TRANSFORMER
F910
RELAY DRIVE
Q911 SW1 (2/2)
RY910 POWER
(AC IN)
T910 (US, Canadian)
T911 (AEP, ECE, UK)
TH910
SUB POWER
TRANSFORMER