Block Diagram - Display/Power Supply Section - Sony STR-DE845 Service Manual

4-3. BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
+B
VOLUME
RV401
VOL CONT
–B
IC408 IC414
L
3 1
IN
3 OUT 2
DATA
9 DATA
CLK
8 CLK
LAT
10
LAT
VOL CONT
IC409
IC415
(1/2)
C
3 1
3 IN OUT 2
+B
IC409
(2/2)
–B
W
B
5 7
14 IN OUT 15
(Page 11)
DATA
9 DATA
CLK
8 CLK
LAT
10 LAT
VOL CONT
IC410
IC416
SL
3 1
3 2
IN OUT
DATA
9 DATA
CLK
DATA 8 CLK
LAT
CLK 10 LAT
LAT
+B
M M
–B
MUTE DRIVE
AC MUTE
Q501, 503
PROTECTOR
HP RY
C
SP/A RY
SP/B RY
(Page 11)
RY CENTER
RY WOOFER
REAR SY RY
RY POWER
STOP
RESET
URESET
USREQ
UMREQ
D UCLOCK
UDATA
(Page 11)
SOTO
SIN1
MD2
MD0
49 51 20 19
IC105
2 5 9 UP
MOTOR
DRIVE
4 8 10
DOWN
(US, Canadian)
95 96 93 94 18
J257
BUFFER
TV/SAT
Q201, 202
CTRL S
STATUS IN
FUNCTION
1
J258 6
13
IN1
S111 – 118
MONITOR
IN3 4
CTRL S
IN
J255
11
1 2 7
VIDEO 1
CTRL S
OUT
J256
10 2 OUT1 2
DVD/LD
CTRL S
CONTROL S
OUT
I/O
05 IC253
POWER AMP (L)
IC501
13 VCC
BOOSTER
+VE 12
14 VCC
Q506
15
VEE
Q505
9
8 IN NF
BIAS
AF DETECTOR
1
MUT
Q509,510
BOOSTER CUR DET
–VE 11
Q507 Q508
POWER AMP (C/W)
IC601
13 VCC
BOOSTER
+VE 2
14 VCC
Q606
15
VEE
6 IN
Q604, Q605
NF 5
BIAS
AF DETECTOR
Q609,610
1 BOOSTER CUR DET
MUT
–VE 3
Q607 Q608
POWER AMP (SL)
IC701
13 VCC
BOOSTER
+VE 12
14 VCC
Q706
15 VEE
Q704, Q705
8 9
IN NF
BIAS
AF DETECTOR
1
MUT
BOOSTER CUR DET Q709,710
–VE 11
Q707 Q708, Q798
PROTECTOR
Q547-549
D104 – 106,
157, 158,
160 – 172
D119, 122, 123,
125, 151, 152
RV101
1 – 7 9 – 15 20 – 29
LED DRIVER
IC106
61 62 60 59 58 75 76 1 2 3 4 5 8 88 87 89 90
MODE CONTROL
IC102
38 39 40 41 43 44 7
FUNCTION FUNCTION FUNCTION FUNCTION FUNCTION
KEY KEY KEY KEY KEY KEY
S121 – 125 S131 – 137 S141 – 148 S151 – 157 S161 – 165
D101
MUTING
IC101
REMOTE
1 3 B+ (5V)
CONTROL
RECEIVER
R CH
RY602
RELAY
DRIVE
Q601
Q511
RY501
RELAY R CH
DRIVE
Q546
RY502
RELAY
DRIVE
Q596
RY601
Q611
RELAY
DRIVE
Q645
R CH
RY681
RELAY
DRIVE
Q681
RY701
RELAY
DRIVE
Q745
(DE945) X11
IC12
SIRCS DET
7.82MHz
SIRCS
15 16
+B QQ11
QQ13,14
IC11
CTL
2 CARR OUT CA1 I 11
LED
I/O
DRIVE 33 SIRCS IN CA1 O 12
LAT RESET
X101
5 14
16MHz
82 83 98 99 13
RESET 77
STOP 47
64 65 66 21 24 25 22 67 63
SPEAKERS
Q109
D180
30 31 32 28
S101 S150 I/O
BUFFER
I/1
(POWER) IC103
FL DRIVE
F2 F1
FL101
FLOURESCENT
INDICATOR TUBE
13 13
J701
PHONES
TM501
L
A
R
FRONT
L
B
R
SPEAKERS
TM701
C
CENTER
S (L)
REAR
S (R)
IC404
+5V
+5V
1 3
JJ103 REG
IC401
SUB WOOFER
+15V
+15V 3 1
REG
IC405
–5V
–5V 3 2
REG
–15V
–15V
3 2
REG
Q801 D812 D811
IC402
+32V
+32V
REG
D801
+B
–B
D802-805
SWITCH
Q613
+24V
IC1207
D806-809
+15V
TUNER +5V 3 1
REG
IC1208
+5V
IR LINK +5V
3 1
REG
+3.3V
DIGITAL +5V 3 1
REG
IC1203
+5V
CONT COM ETC 3 1
REG
IC1204
+6.2V
DISP COM+5.6V 3 1
D1209
REG
D1208
IC1205
RELAY
DRIVE
Q901
D1211
+6.2
REG
Q1205
RESET
Q108
D901-904
3
RESET
8 5
IC1206
6
J204: DE845
J2004: DE945
CONTROL A1 II
STR-DE845/DE945
SIGNAL PATH
: FM
: CD
S801
IMPEDANCE
SELECTOR
4 8
T901
F801
F802
F803
F804
(E, PX)
F805 VS901
VOLTAGE
SELECTOR
240V
F2
220V
F1
F904
120V
RY901
EXCEPT US,
Canadian, E, PX
F903
CNJ901
JW925
T902
(US, Canadian, E, PX)
JW927
JW928
EXCEPT E
CNP901
AC IN