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STR-K1600
20
20
STR-K1600
5-6. BLOCK DIAGRAM — POWER SECTION —
(Page 15)
8
12
11
DRIVE
POWER AMP
Q701-704
CURRENT
DETECT
Q705,706
RY701
D729
PRE DRIVER
IC701
IN 2
+VOUT2
-VOUT2
R
L
L
AUDIO
OUT
SUB
WOOFER
CENTER
SURROUND
BACK
SURROUND
R
R-CH
R-CH
L-CH
R-CH
SL-CH
C-CH
R-CH
SR-CH
R-CH
TUNER/
AUDIO
SECTION
C
TUNER/
AUDIO
SECTION
D
RY901
D804
D1001
F1
F2
-20V
+3.3V
(STBY)
+1.8V
+5V
-7V
+7V
TU+9V
-20V
RECT
D910-913
D914
D915
D1107
D1110
OVERLOAD
DETECT
D740,Q740
8
61
12
11
DRIVE
POWER AMP
Q501-504
CURRENT
DETECT
Q505,506
-20V REG
Q801
B-SWITCH
Q691,692
RELAY
DRIVER
Q901
AC IN
DETECT
Q921
PRE DRIVER
IC501
IN 2
+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
D529
RY601
RY560
PROTECTOR
D721,722,732,733
Q723,725,793,795
58
48
66
D1111
D1108
+9V
(STBY)
OVERLOAD
DETECT AMP
7
2
IC691
–45V
-B
+3.3V/+1.8V
REG
4
5
+3.3V
2
IC1903
+A5V
+5V
REG
1
3
IC1001
+3.3V
REG
1
3
IC1904
+9V
REG
1
3
IC1902
-15V
+15V
+7V
REG
3
1
IC801
-7V
REG
2
3
IC802
+5V
REG
1
3
IC1031
+B
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
RECT
D802
RECT
D920-923
RECT
D805-808
T901
POWER
TRANSFORMER
TB001 (2/2)
TB001 (1/2)
TM603
J408
(MAIN)
FRONT
RY791
PHONES
J790
R-CH
FRT A RY
HP RY
VACS CTRL
C/SUR RY
SW RY
HP DETECT
FRONT_A_RY
PROTECTOR
HP DETECT
STOP
45
HP_RY
VACS CTRL
62
POWER_RY
70
SW_RY
69
C/REAR/SB_RY
FRT A RY
HP DETECT
HP RY
55
VACS CTRL
SW RY
C/SUR RY
SYSTEM
CONTROL
IC1101 (6/6)
PRE
DRIVE
PRE
DRIVE
SW-CH
-45V
+B
SBL-CH
6
2
3
DRIVE
POWER AMP
Q533,534
571,572
CURRENT
DETECT
Q535,536
IN 1
+VOUT1
-VOUT1
OVERLOAD
DETECT
D580,Q580
PRE
DRIVE
-45V
+B
-45V
+B
PRE
DRIVE
R810
R2 AC
R2 AC
R811
R910
SPEAKERS
IMPEDANCE
USE 6-16
Ω
RELAY
DRIVER
Q610
RY610
RELAY
DRIVER
Q612
RELAY
DRIVER
Q560
RELAY
DRIVER
Q710
RELAY
DRIVER
Q790
T902
POWER
TRANSFORMER
(SUB)
AC IN
~
F901
JW795
S901
-3
-2
-1
EXCEPT
E51 MODEL
E51 MODEL
S901
120V
220V
240V
VOLTAGE
SELECTOR
JW905
JW903
EXCEPT
E51,MX
MODEL
MX
MODEL
JW906
JW900
• Signal path
: TUNER (FM/AM)
• R-ch is omitted due to
same as L-ch.
• Abbreviation
E51 : Chilean and Peruvian models
MX : Mexican model
(Page 15)
Ver. 1.1
Summary of Contents for STR-K1600
Page 67: ...67 STR K1600 MEMO ...