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5-8. BLOCK DIAGRAM — OUTPUT/POWER SECTION —
PRE DRIVER
IN 2
PRE
L-CH
8
DRIVE
R-CH
R-CH
PRE DRIVER
IN 2
PRE
SL-CH
8
DRIVE
SR-CH
R-CH
TUNER/
PRE DRIVER
C
AUDIO
SECTION
IN 2
PRE
(Page 15)
C-CH
8
DRIVE
SW-CH
PROTECTOR
12
Q722,723,725,793,795
D1110
FRONT_RY
25
D1107
C/REAR/SB_RY
24
D1108
22
SW_RY
SYSTEM
D1111
CONTROL
IC1907 (6/6)
HP_RY
23
HP DETECT
8
119
VACS CTRL
FRONT B RY
17
13
BRIGEABLE RY
POWER_RY
9
STOP
81
STR-K7100
IC701
+VOUT2
12
DRIVE
-VOUT2
11
POWER AMP
Q701-704
-45V +B
IC601
R-CH
+VOUT2
12
DRIVE
-VOUT2
11
POWER AMP
Q651-654
-45V +B
IC501
R-CH
+VOUT2
12
DRIVE
-VOUT2
POWER AMP
11
Q501-504
-45V +B
PROTECTOR
D721,722,732,733
+B
-B
B-SWITCH
-20V
–45V
Q691,692
TU+9V
FRT A RY
IC691
OVERLOAD
2
7
DETECT AMP
C/SUR RY
+7V
SW RY
-7V
+A5V
D1109
HP RY
+5V
HP DETECT
VACS CTRL
+2.6V
FRT B RY
+3.3V
+3.3V
(STBY)
+9V
(STBY)
RELAY
DRIVER
Q790
D729
RELAY
R-CH
CURRENT
OVERLOAD
DRIVER
DETECT
DETECT
Q710
Q705,706
D740,Q740
R-CH
R-CH
RELAY
DRIVER
Q611
CURRENT
OVERLOAD
RELAY
DETECT
DETECT
DRIVER
Q655,656
D640,Q640
Q610
R-CH
R-CH
D529
RELAY
CURRENT
OVERLOAD
DRIVER
DETECT
DETECT
Q612
Q505,506
D540,Q540
RELAY
DRIVER
Q560
RECT
D802
-20V REG
Q801
IC1902
+9V
3
1
REG
IC801
+15V
+7V
1
3
REG
IC802
-7V
3
2
REG
IC1001
-15V
+5V
3
1
REG
IC1031
+5V
3
1
REG
IC1901
5
+3.3V/+2.6V
4
REG
2
D1001
IC1904
+3.3V
3
1
REG
21
21
J790
R-CH
PHONES
RY791
TB001 (1/2)
L
RY701
FRONT A
R-CH
R
TM602
L
RY710
FRONT B
R-CH
R
SPEAKERS
IMPEDANCE
TB001 (2/2)
USE 6-16Ω
L
RY601
R-CH
SURROUND
R
TM604
• Signal path
CENTER
RY610
• R-ch is omitted due to
same as L-ch.
J309
AUDIO
SUB
OUT
WOOFER
RY560
T901
POWER
TRANSFORMER
(MAIN)
RY801
RELAY
DRIVER
Q809
TUNER/
R2 AC
D
AUDIO
R2 AC
SECTION
R810
(Page 15)
RECT
D920-923
R811
F901
R910
RECT
D805-808
F1
F2
-20V
D804
T902
RY901
POWER
RELAY
TRANSFORMER
DRIVER
(SUB)
Q901
RECT
D910-913
AC IN
D914
D915
DETECT
Q921
STR-K7100
: TUNER (FM/AM)
~
AC IN
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