Block Diagram - Power Section - Sony STR-K5900P Service Manual

4-6. BLOCK DIAGRAM — POWER SECTION —
IN 2
PRE
FL-CH 8
DRIVE
FR-CH
R-CH
IN 2 PRE
SL-CH 8
TUNER/ DRIVE
AUDIO C
SECTION
SR-CH R-CH
(Page 13)
IN2 PRE
C-CH
1
DRIVE
IN1 PRE
6
SBL-CH
DRIVE
PROTECTOR 61
D1107
D1108
HP_RY 62
FRONT RY 66
REAR_RY
69
C/SB RY 68
D1111
HP DETECT 55
SP_B_RY 67
SYSTEM
CONTROL
IC1101 (4/4)
BRIDGEABLE RY 72
P0WER RY 58
STOP 48
STR-K5900P/K9900P
PRE DRIVER
IC701
+VOUT2
12
DRIVE -VOUT2
POWER AMP
11
Q701-704
-B-1 +B
PRE DRIVER
IC601
+VOUT2
12
DRIVE -VOUT2
11 POWER AMP
Q651-654
-B-1 +B
PRE DRIVER
IC501
+VOUT2
12
DRIVE -VOUT2
11 POWER AMP
Q501-504
+VOUT1
2
DRIVE -VOUT1
3 POWER AMP
Q533,534,571,572
-B-1 +B
PROTECTOR
D721,722,732
Q722,723,725,793,795
D1110
+B
HP-RY
-B
FRONT-RY
-B SWITCH
-B-1
-20V
Q691,692
REAR-RY
TU+10V
C/SB RY
IC691
HP DETECT
OVERLOAD
2 7
DETECT AMP
+7V
SB-RY
-7V
+5V-2
+5V-1
+2.6V
+3.3V
+3.3V
(STBY)
RELAY
CURRENT OVERLOAD
DRIVER
DETECT DETECT
Q790
Q705,706 D740,Q740
RELAY
R-CH R-CH
DRIVER
Q800(DE698/DV10)
R-CH
Q810(DE98)
RELAY
DRIVER
Q710
CURRENT OVERLOAD
DETECT DETECT
Q655,656 D640,Q640
R-CH R-CH
R-CH
CURRENT OVERLOAD
DETECT DETECT
Q505,506 D540,Q540
CURRENT OVERLOAD
DETECT DETECT
Q535,536 D580,Q580
-32V REG
Q801
IC1902
+10V
3 1
REG
IC801
+15V
+7V
1 3
REG
-7V
3 2
REG
IC1001
IC802
-15V
+5V
3 1
REG
IC1031
+5V
3 1
REG
IC1901
5
BACK-UP
4
SWITCH
2
IC1904
+3.3V
3 1
REG
17 17
J791
PHONES
R-CH
TM610
L
FRONT B
R-CH
R
RY791
TM601
RY610
L
FRONT A
R-CH
R
RY701
SPEAKERS
RY601 IMPEDANCE
L
RELAY
USE 8-16Ω
DRIVER
Q610 SURROUND
R-CH
RY501
R
RELAY
DRIVER
Q550
TM501
CENTER
SURROUND
BACK
K5900P
T901
POWER
TRANSFORMER
RELAY
SWITCH
RECT
D802
RELAY
DRIVER
Q809
RY801
K9900P
R810
RECT
D920-923
R811
R910
F901
RECT
D805-808
F1
F2
-20V
D804
RY901
RELAY
T902
DRIVER
POWER
Q901
RECT TRANSFORMER
D910-913
Q921
D914 D915
STR-K5900P/K9900P
• Signal path
: TUNER (FM/AM)
• R-ch is omitted due to
same as L-ch.
~
AC IN