Block Diagram - Power Section - Sony STR-K1600 Service Manual

STR-K1600
Ver. 1.1
Q Q
3 7 6 3 1 5 1 5 0
5-6. BLOCK DIAGRAM — POWER SECTION —
IN 2
L-CH 8
R-CH
R-CH
IN 2
SL-CH 8
SR-CH R-CH
TUNER/
C
AUDIO
SECTION
IN 2
(Page 15)
C-CH 8
IN 1
SBL-CH
6
T E
L 1 3 9 4 2 2 9 6 5 1 3
SW-CH
PROTECTOR 61
D1110
FRONT_A_RY 66
D1107
69
C/REAR/SB_RY
SW_RY 70
SYSTEM
CONTROL
IC1101 (6/6)
HP_RY 62
HP DETECT 55
45
VACS CTRL
58
POWER_RY
w w w
STOP
48
STR-K1600
PRE DRIVER
IC701
+VOUT2
12
PRE
DRIVE -VOUT2
DRIVE
POWER AMP
11
Q701-704
-45V +B
PRE DRIVER
IC601
+VOUT2
12
PRE
DRIVE -VOUT2
DRIVE POWER AMP
11
Q651-654
-45V +B
PRE DRIVER
IC501
+VOUT2
PRE 12
DRIVE -VOUT2
DRIVE
11 POWER AMP
Q501-504
+VOUT1
PRE 2
DRIVE -VOUT1
POWER AMP
DRIVE
3
Q533,534
571,572
-45V +B
PROTECTOR
D721,722,732,733
Q723,725,793,795
+B
-B
B-SWITCH
–45V
-20V
Q691,692
TU+9V
FRT A RY
IC691
OVERLOAD
2 7
DETECT AMP
+7V
C/SUR RY
D1108
-7V
SW RY
+A5V
D1111
+5V
HP RY
HP DETECT
+1.8V
VACS CTRL
+3.3V
+3.3V
(STBY)
+9V
(STBY)
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y
. i
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8
RELAY
DRIVER
Q790
D729
RELAY
R-CH
CURRENT OVERLOAD
DRIVER
DETECT DETECT
Q710
Q705,706 D740,Q740
R-CH R-CH
R-CH
CURRENT OVERLOAD
RELAY
DETECT DETECT
DRIVER
Q655,656 D640,Q640
Q610
R-CH R-CH
R-CH
D529
RELAY
CURRENT OVERLOAD
DRIVER
DETECT DETECT
Q612
Q505,506 D540,Q540
CURRENT OVERLOAD
DETECT DETECT
Q535,536 D580,Q580
Q Q
3 7 6 3
RELAY
DRIVER
RECT
D802
-20V REG
Q801
IC1902
+9V
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
IC1903
5 +3.3V/+1.8V
4
REG
2
D1001
IC1904
+3.3V
3 1
REG
u 1 6 3
.
20 20
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2 4
9 9
J790
R-CH
PHONES
RY791
TB001 (1/2)
L
RY701
FRONT
R-CH
R
TB001 (2/2)
L
SPEAKERS
RY601
SURROUND IMPEDANCE
R-CH USE 6-16Ω
R
TM603
CENTER
RY610
SURROUND
BACK
J408
1 5 1 5 0 8 9 2 4
AUDIO SUB
OUT WOOFER
RY560
T901
Q560
POWER
TRANSFORMER
(MAIN)
TUNER/
R2 AC
D
AUDIO
R2 AC
SECTION R810
(Page 15)
RECT
D920-923
R811
R910
RECT
D805-808
F1
EXCEPT
F2
E51 MODEL
-20V
D804
RY901
T902
RELAY
POWER
DRIVER
TRANSFORMER
Q901
(SUB)
RECT
D910-913
m
AC IN D914 D915
c o
DETECT
Q921
2
8 9 9
• Signal path
: TUNER (FM/AM)
• R-ch is omitted due to
same as L-ch.
• Abbreviation
E51 : Chilean and Peruvian models
MX : Mexican model
9 8 2 9 9
E51 MODEL
S901
VOLTAGE
SELECTOR
120V
220V
S901
-3
240V
JW900
-2
-1
JW795
MX
MODEL
JW906
EXCEPT
E51,MX
MODEL
~
AC IN