Block Diagram - Power Section - Sony STR-DE997 Service Manual
Fm stereo/fm-am receiver
Hide thumbs
Also See for STR-DE997:
- Service manual (78 pages) ,
- Operating instructions manual (71 pages) ,
- Specifications (2 pages)
Table of Contents
Advertisement
STR-DE997
4-7. BLOCK DIAGRAM — POWER SECTION —
FL-CH
FR-CH
R-CH
TUNER/
D
AUDIO
SL-CH
SECTION
(Page 13)
SR-CH
R-CH
C-CH
SBL-CH
SBR
R-CH
PROTECTOR
23
HP_RY
42
SP_A_RY
18
REAR_RY
21
20
CENTER_RY
HP_CTRL
24
SP_B_RY
19
SYSTEM
CONTROL
IC1101 (5/5)
BRIDGEABLE RY
45
PW-RY
25
SUB-T
5
VOLT_DETECT_STOP
60
STR-DE997
PRE DRIVER
IC500
+VOUT2
IN 2
PRE
12
DRIVE
-VOUT2
8
DRIVE
POWER AMP
11
Q571-574
-48V +48V
PRE DRIVER
IC600
+VOUT2
IN 2
PRE
12
8
DRIVE
-VOUT2
DRIVE
11
POWER AMP
Q671-674
-48V +48V
PRE DRIVER
IC700
+VOUT1
IN1
PRE
2
DRIVE
-VOUT1
6
DRIVE
3
POWER AMP
Q721-724
-48V +48V
PRE DRIVER
IC400
+VOUT2
IN2
12
PRE
DRIVE
-VOUT2
8
DRIVE
POWER AMP
11
Q471-474
-48V +48V
PROTECTOR
D201-203
Q200-202,255,256
D1107
D1108
D1110
+B
HP-RY
-B
FRONT A RY
+48V REG
+48V
Q220,225
REAR-RY
PROTECTOR
CENTER RY
Q210
IC210
D1111
HP DETECT
OVERLOAD
2
7
DETECT AMP
FRONT B RY
CURRENT
OVERLOAD
DETECT
DETECT
Q575,576
D575,Q577
R-CH
R-CH
R-CH
CURRENT
OVERLOAD
DETECT
DETECT
Q675,676
D675,Q677
R-CH
R-CH
R-CH
CURRENT
OVERLOAD
DETECT
DETECT
Q725,726
D725,Q727
CURRENT
OVERLOAD
DETECT
DETECT
Q475,476
D475,Q477
R-CH
R-CH
R-CH
-48V REG
-48V
Q235
IC1902
+10V
TU+10V
3
REG
IC260
+7V
1
+7V
REG
-7V
3
-7V
REG
IC1001
IC265
+5V
3
1
+5V-2
REG
IC1031
+5V
+5V-1
3
REG
IC1901
+2.6V
5
+2.6V/+3.3V
4
+3.3V
2
REG
D1001
IC1021
IC1011
+3.3V
+3.3V
+5V
3
1
3
1
(STBY)
REG
REG
+5V
(STBY)
18
18
R-CH
TM2880
L
RELAY
DRIVER
Q240
R-CH
RY240
R
RELAY
DRIVER
Q2880
RY2881
L
RELAY
DRIVER
R-CH
Q2881
R
RY2880
TM602(1/2)
RY600
L
RELAY
DRIVER
Q600
R-CH
RY400
R
RELAY
DRIVER
Q400
TM601
TM602(2/2)
L
RY700
RELAY
DRIVER
R-CH
Q700
R
-32V REG
-32V
TRANSFORMER
Q250
D290
RELAY
SWITCH
RECT
D801,802
D291
RELAY
DRIVER
1
Q809
RY802,803
R861
+15V
RECT
D865
3
R862
2
R851
-15V
RECT
D851-854
1
F1
F2
-32V
D251
RY911
RELAY
DRIVER
Q911
D927
TRANSFORMER
+B SWITCH
RECT
Q912,913
D921-924
Q921
D925
D926
J2501
PHONES
FRONT B
FRONT A
SPEAKERS
IMPEDANCE
USE 8-16Ω
SURROUND
• Signal path
: TUNER (FM/AM)
CENTER
• R-ch is omitted due to
same as L-ch.
SURROUND
BACK
T901
POWER
F901
T902
POWER
F902
J911
AC
OUTLET
~
AC IN
Advertisement
Table of Contents
