![Sony STR-K4800P - A/v Receiver Скачать руководство пользователя страница 19](http://html.mh-extra.com/html/sony/str-k4800p-a-v-receiver/str-k4800p-a-v-receiver_service-manual_417201019.webp)
STR-DE497P/K4800P/K5800P
19
19
STR-DE497P/K4800P/K5800P
4-5. BLOCK DIAGRAM — POWER SECTION —
POWER AMP
Q701-704
CURRENT
DETECT
Q705,706
RY791
RY701
RY601
PRE DRIVER
IC701
SPEAKERS
IMPEDANCE
USE 8-16
Ω
R
L
FRONT
L
SURROUND
CENTER
R
R-CH
R-CH
R-CH
FL-CH
FR-CH
SL-CH
C-CH
R-CH
SR-CH
R-CH
RY901
D804
F1
F2
-30V
+3.3V
(STBY)
+2.5V
+5V-1
-7V
+7V
TU+10V
TU+3.3V
-30V
F901
RECT
D910-913
T902
POWER
TRANSFORMER
D914
Q921
D915
D731
D734
D733
~
AC IN
OVERLOAD
DETECT
D740,Q740
POWER AMP
Q501-504
CURRENT
DETECT
Q505,506
-30V REG
Q801
RELAY
DRIVER
Q901
PRE DRIVER
IC501
OVERLOAD
DETECT
D540,Q540
POWER AMP
Q651-654
CURRENT
DETECT
Q655,656
PRE DRIVER
IC702
OVERLOAD
DETECT
D640,Q640
RELAY
DRIVER
Q790
RELAY
DRIVER
Q710
RELAY
DRIVER
Q610
RY501
RELAY
DRIVER
Q510
PROTECTOR
D721,722
Q722,723,725
IC601
Q692
Q691
+B
-B
-BB
IC1905
+3.3V
IC1901
+5V-2
IC1503
IC1902
-V
+V
IC801
IC802
IC1903
IC1904
R-CH
R-CH
R-CH
-BB +B
-BB +B
-BB +B
R-CH
R-CH
R-CH
RECT
D802
RECT
D820-823
T901
POWER
TRANSFORMER
TM601
TM602 (2/2)
TM602 (1/2)
J791
PHONES
HP-RY
FRONT-RY
REAR-RY
CENTER-RY
HP DETECT
HP-RY
HP DETECT
FRONT-RY
REAR-RY
CENTER-RY
DE497P
R810
R812
R910
• Signal path
: TUNER (FM/AM)
• R-ch is omitted due to
same as L-ch.
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299