Sony STR-K9900P - Block Diagram - Power Section

STR-K5900P/K9900P
17 17
STR-K5900P/K9900P
4-6. BLOCK DIAGRAM — POWER SECTION —
8
12
11
DRIVE
POWER AMP
Q701-704
CURRENT
DETECT
Q705,706
RY791
RY610
RY601
RY701
PRE DRIVER
IC701
IN 2
+VOUT2
-VOUT2
SPEAKERS
IMPEDANCE
USE 8-16Ω
R
L
FRONT B
L
SURROUND
SURROUND
BACK
CENTER
R
R-CH
R-CH
R-CH
FL-CH
FR-CH
SL-CH
C-CH
R-CH
SR-CH R-CH
TUNER/
AUDIO
SECTION
C
RY901
RY801
K9900P
D804
F1
F2
-20V
+3.3V
(STBY)
+2.6V
+5V-1
-7V
+7V
TU+10V
-20V
RECT
D910-913
T902
POWER
TRANSFORMER
D914
Q921
D915
D1110
D1111
D1107
D1108
~ AC IN
OVERLOAD
DETECT
D740,Q740
1
61
12
11
DRIVE
POWER AMP
Q501-504
CURRENT
DETECT
Q505,506
-32V REG
Q801
-B SWITCH
Q691,692
RELAY
DRIVER
Q901
PRE DRIVER
IC501
IN2
+VOUT2
-VOUT2
OVERLOAD
DETECT
D540,Q540
8
12
11
DRIVE
POWER AMP
Q651-654
CURRENT
DETECT
Q655,656
PRE DRIVER
IC601
IN 2
+VOUT2
-VOUT2
OVERLOAD
DETECT
D640,Q640
RELAY
DRIVER
Q790
RELAY
DRIVER
RELAY
DRIVER
Q610
RY501
RELAY
DRIVER
Q550
69
66
62
PROTECTOR
D721,722,732
Q722,723,725,793,795
55
58
48
68
OVERLOAD
DETECT AMP
72
IC691
-B-1
-B
BACK-UP
SWITCH
4
5
+3.3V
2
IC1901
+5V-2
+5V
REG
13
IC1001
+3.3V
REG
13
IC1904
+10V
REG
13
IC1902
-15V
+15V
+7V
REG
31
IC801
-7V
REG
23
IC802
+5V
REG
13
IC1031
+B
R-CH
R-CH
R-CH
R-CH
R-CH R-CH
RECT
D802
RECT
D920-923
RECT
D805-808
T901
POWER
TRANSFORMER
TM610
R
FRONT A
L
R-CH
TM601
TM501
J791
PHONES
HP-RY SB-RY FRONT RY REAR-RY C/SB RY HP DETECT
HP-RY
HP DETECT
SB-RY
FRONT-RY
REAR-RY
C/SB RY
HP_RY
FRONT RY
REAR_RY
PROTECTOR
HP DETECT
P0WER RY
67
SP_B_RY
72
BRIDGEABLE RY
STOP
C/SB RY
SYSTEM
CONTROL
IC1101 (4/4)
PRE
DRIVE
PRE
DRIVE
6
2
3
DRIVE
POWER AMP
Q533,534,571,572
CURRENT
DETECT
Q535,536
IN1
+VOUT1
-VOUT1
OVERLOAD
DETECT
D580,Q580
PRE
DRIVE
SBL-CH
-B-1 +B
-B-1 +B
-B-1 +B
PRE
DRIVE
RELAY
DRIVER
Q710
RELAY
DRIVER
Q809
R810
R811
F901
R910
RELAY
SWITCH
Q800(DE698/DV10)
Q810(DE98)
K5900P
• Signal path
: TUNER (FM/AM)
• R-ch is omitted due to
same as L-ch.
(Page 13)