Read Sony STR-DE845 / STR-DE945 Service Manual online
13
13
STR-DE845/DE945
B
C
D
3
9
8
10
3
2
13
14
15
8
1
13
14
15
6
1
3
5
2
11
9
12
2
15
2
14
9
8
10
3
9
8
10
VEE
VCC
IN
MUT
+VE
NF
–VE
VCC
POWER AMP (L)
IC501
+B
–B
13
14
15
8
1
49
95 96 93 94 18
9
13
6
4
10
5
8
2
4
51 20 19
61 62 60 59
88 87 89 90
82
83
98
99
5
14
15
16
33
2
12
11
13
58
75 76
1 2 3 4 5 8
11
9
12
VEE
VCC
IN
MUT
+VE
NF
–VE
VCC
POWER AMP (SL)
IC701
+B
–B
BOOSTER
Q506
BOOSTER
Q507
CUR DET
Q508
AF DETECTOR
Q509,510
Q511
VEE
IN
+VE
NF
–VE
VCC
POWER AMP (C/W)
IC601
+B
–B
MUT
BOOSTER
Q606
BOOSTER
Q607
CUR DET
Q608
AF DETECTOR
Q609,610
Q611
BOOSTER
Q706
BOOSTER
Q707
CUR DET
Q708, Q798
RY602
RY501
RY502
RY601
RY681
RY901
JJ103
C
S (L)
S (R)
R CH
CENTER
REAR
SUB WOOFER
J701
TM701
FRONT
TM501
R CH
R CH
RESET
IC1206
D801
PROTECTOR
Q547-549
F2
F1
F801
F802
D802-805
+B
–B
8
4
S801
F901
D901-904
CNP901
AC IN
L
R
VCC
F803
F804
+24V
CNJ901
T902
MODE CONTROL
IC102
STOP
AC MUTE
PROTECTOR
RESET
POWER KEY
F2
F1
05
JW925
STOP
RESET
TV/SAT
CTRL S
CTRL S
STATUS IN
MONITOR
CTRL S
IN
VIDEO 1
CTRL S
OUT
DVD/LD
CTRL S
OUT
J204: DE845
J2004: DE945
J2004: DE945
J256
J255
J258
J257
CONTROL S
I/O
IC253
11
10
+5V
REG
IC404
–15V
+15V
+5V
+32V
Q801
F805
F904
(E, PX)
T901
F903
(US, Canadian, E, PX)
LED CLR
HP RY
SP/A RY
SP/B RY
SP/B RY
RY CENTER
RY WOOFER
REAR SY RY
REAR SY RY
ABUS A1 IN
ABUS OUT
FL101
FLOURESCENT
INDICATOR TUBE
LA
T
CLK
CLR
DIN
FL CLK
FL LA
T
FL CLEAR
FL DA
TA
SP B
SP A
AD KEY6
AD KEY1
AD KEY2
AD KEY3
AD KEY4
AD KEY5
MD0
LED CE
LED CLK
LED DA
TA
EQ
DCS
D119, 122, 123,
125, 151, 152
D.D
JOG
MUTE
B.B
MBUS DVD
SIRCS IN
MBUS VIDEO 1
MBUS ST
A OUT
MBUS TV
UP
DOWN
MOTOR
DRIVE
IC105
MD2
SINO
SOTO
U
D
ATA
UCLOCK
UMREQ
URESET
URESET
UMREQ
UCLOCK
UDATA
SOTO
SIN1
MD2
MD0
MD0
XO
XO
XI
XI
CARR OUT
IC12
SIRCS
CTL
I/O
IC11
QQ11
+B
QQ13,14
SIRCS IN
CA1 I
RESET
CA1 O
IC103
FL DRIVE
RY POWER
IC408
VOLUME
RV401
L
C
W
SL
IN
DATA
CLK
LAT
OUT
DATA
CLK
LAT
IN
DATA
CLK
LAT
LAT
OUT
DATA
CLK
LAT
IN
OUT
IC409
(1/2)
IC409
(2/2)
IN
DATA
DATA
CLK
LAT
LAT
OUT
DATA
CLK
LAT
IC410
VOL CONT
IC414
VOL CONT
IC415
VOL CONT
IC416
DATA
CLK
LAT
USREQ
USREQ
AF DETECTOR
Q709,710
A
B
R
L
JW927
JW928
EXCEPT US,
Canadian, E, PX
VS901
240V
220V
120V
VOLTAGE
SELECTOR
EXCEPT E
D806-809
D1208
D1211
POWER R
Y
RESET
LA
T
LAT
D1209
X101
16MHz
X11
7.82MHz
(DE945)
BUFFER
Q201, 202
(US, Canadian)
JOG DOWN
JOG UP
RV101
LED DRIVER
IC106
AD KEY7
Q604, Q605
BIAS
Q505
BIAS
Q704, Q705
BIAS
DIGITAL +5V
CONT
µ
COM ETC
DISP
µ
COM+5.6V
TUNER +5V
IR LINK +5V
3
1
3
1
3
1
5
7
RY701
RELAY
DRIVE
Q601
RELAY
DRIVE
Q546
RELAY
DRIVE
Q596
RELAY
DRIVE
Q645
RELAY
DRIVE
Q681
RELAY
DRIVE
Q745
PHONES
SPEAKERS
MUTE DRIVE
Q501, 503
M
M
38
39
40
41
43
44
7
64
65
66
21 24 25 22
30 31 32 28
67
47
77
63
IN1
1
2
1
IN3
7
2
2
OUT1
1 – 7 9 – 15 20 – 29
D104 – 106,
157, 158,
160 – 172
LED
DRIVE
SIRCS DET
IMPEDANCE
SELECTOR
3
1
–5V
REG
IC405
–5V
2
3
+15V
REG
IC401
1
3
–15V
REG
IC402
2
3
+5V
REG
IC1208
1
3
+15V
REG
IC1207
1
3
+3.3V
REG
IC1203
1
3
+5V
REG
IC1204
1
3
+6.2V
REG
IC1205
1
3
3
6
8
5
+32V
REG
SWITCH
Q613
D812 D811
RESET
Q108
+6.2
REG
REG
Q1205
RELAY
DRIVE
Q901
CONTROL A1 II
FUNCTION
KEY
S111 – 118
FUNCTION
KEY
S121 – 125
FUNCTION
KEY
S131 – 137
FUNCTION
KEY
S141 – 148
FUNCTION
KEY
S151 – 157
FUNCTION
KEY
S161 – 165
SPEAKERS
S101
I/O
BUFFER
Q109
D101
MUTING
S150
(POWER)
I/1
D180
1
3
IC101
REMOTE
CONTROL
RECEIVER
B+ (5V)
•
SIGNAL PATH
: FM
: CD
(Page 11)
(Page 11)
(Page 11)
4-3.
BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
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