Block Diagram - Display/Power Supply Section - Sony STR-DE235 Service Manual

STR-DE235
Q Q
4-3. BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
3 7 6 3 1 5 1 5 0
D233
CENTER
T E
L 1 3 9 4 2 2 9 6 5 1 3
Q234 – 236
LED DRIVE
BASS BOOST
F
(Page 9)
w w w
SYSTEM CONTROLLER, FL DRIVER
S200
I/u
44 SYS-POWER
(POWER)
S201 – 220, 222 – 227,
S229 – 231, 234 – 244
REMOTE CONTROL
RECEIVER 49 SIRCS
IC203
+5V
D237 D235
REAR NAME
B+ SWITCH
Q233
Q239
D236
EFFECT/
DELAY
B+ SWITCH
Q237
37 LED SELECT
D234
D236
SET UP
Q235
Q236 Q234
61 LED3
60 LED2
59 LED1
D228
LED DRIVE
Q242
BASS BOOST
D241
53 BASS BOOST
D421
D240
LED DRIVE
50 MUTING LED
Q241
MUTING
D231 LED DRIVE
39 C.STUDIO LED
Q231
CINEMA
D232 LED DRIVE
40
HALL LED
x Q232 a o
MUSIC
. i
05
– 11 –
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IC201 (2/2)
F1 F2
FLUORESCENT
INDICATOR
TUBE
FL201
FUNCTION SWITCH (IC401),
AUDIO LINE AMP CIRCUIT
Q Q
3 7 6
BRIDGE-RLY 15
POWER-RLY 23
D201, 202
+5V
SYSTEM CONTROLLER
(IC201) B+
RESET SWITCH
RESET 17
u 1 6 3 Q201, 202
y
STOP 47
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2 4
8 9 9
RELAY B+
+5V
+5V
REGULATOR
DISPLAY SECTION B+
IC804
+10V +10V
DOLBY SURROUND PRO-LOGIC REGULATOR
CIRCUIT (IC300, 301) B+ IC805
+5V +5V
FM/AM TUNER PACK, REGULATOR
RDS DECODER (IC1) B+ IC803
+12V
+12V REGULATOR
IC801
–12V
REGULATOR
–12V
IC802
–1
3 1 5 1 5 0 8 9
B+
RECT
D803
POWER AMP
CIRCUIT
–2
RECT
D802
B–
–24V
–24V
REGULATOR
FL DRIVER (IC201) B–
Q801
RY801
BRIDGE
RELAY DRIVE
Q809
TO FL201
POWER ON/OFF
RELAY DRIVE
Q802
+5.6V
REGULATOR
D810 – 813
Q951 RESET SIGNAL GENERATOR,
+5.6V REGULATOR
IC950
5
m
V+
OUTC
VREF
c o 3
VSC
2
.
RESET VSB
RECT
8 6
AC
D814, 815
LATCH
DET
VSA
7
– 12 –
2
8 9 9
T901
POWER
TRANSFORMER
RECT
D820 – 823
2 4 9 8 2 9 9
AEP
CNJ903
AC OUTLET
F1
SWITCHED
F2 100W MAX
RY901
T902
POWER
TRANSFORMER
RECT
AC IN