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STR-KM5, STR-KM7 - Sony Audio Service Manual (repair manual). Page 18

Read Sony STR-KM5 / STR-KM7 Service Manual online

5-6.  BLOCK  DIAGRAM  – POWER KEY Section –
6
2
3
DRIVE
PRE DRIVER
IC701
IN 1
+VOUT1
-VOUT2
8
12
11
IN 2
+VOUT2
-VOUT2
FL-CH
FR-CH
FL-CH
FR-CH
SL-CH
SW-CH
SR-CH
SL-CH
SR-CH
+3.3V
(STBY)
+5V
-5V
-7V
+7V
1
6
2
3
DRIVE
PRE DRIVER
IC601
IN 1
+VOUT1
-VOUT2
8
12
11
IN 2
+VOUT2
-VOUT2
25
+5V
(STBY)
-5V
REG
IC202
+3.3V
REG
IC2107
-15V
+15V
+7V
REG
IC951
+5V
REG
IC2812
-7V
REG
IC950
+5V
REG
IC201
+5V
+12V
REG
IC600
FRONT_SPK_A_R
Y
SBL-SBR_R
Y
C/SL-SR_R
Y
PREOUT_SW_R
Y
PROTECTOR
IO_EX_CLK
IO_EX_LAT
IO_EX_DATA
IO_EX_OE
FUSE_DET
FAN_CTRL
82
SYSTEM
CONTROL
IC2105 (5/5)
PRE
DRIVE
6
2
3
DRIVE
PRE DRIVER
IC401
IN 1
+VOUT1
-VOUT2
8
12
11
IN 2
+VOUT2
-VOUT2
SBL-CH
SBR-CH
PRE
DRIVE
C-CH
6
2
3
DRIVE
PRE DRIVER
IC501
IN 1
+VOUT1
-VOUT2
PRE
DRIVE
PRE
DRIVE
6
2
3
DRIVE
PRE DRIVER
IC801
IN 1
+VOUT1
-VOUT2
8
12
11
IN 2
+VOUT2
-VOUT2
PRE
DRIVE
VOLTAGE
DETECTION
IC2421
SBL-CH
SBR-CH
2-4,15
11-14
10-8,3
SHIFT REGISTER
IC2036
R
L
L
CENTER
SURROUND
SUBWOOFER
R
TB355
TB353
TB354
FRONT
SPEAKERS
T901
POWER TRANSFORMER
(MAIN)
F901
F902
POWER TRANSFORMER
(SUB)
T902
AC IN 
~ 
RECT
D952
F952
F953
F954
F955
RY901
D904
F950
F951
F911
F912
RECT
D953-956
RECT
D912
PROTECTOR
D862-863
Q863-867
D520 -
523
POWER AMP
Q700-703,
Q750-753
POWER AMP
Q401-404,
Q451-454
POWER AMP
Q500-503,
Q550-553
POWER AMP
Q600-603,
Q650-653
POWER AMP
Q800-803
RY353
RY354
RY351
RELAY
DRIVER
Q354
RELAY
DRIVER
Q351
RELAY
DRIVER
Q353
R
L
TB351
SURROUND
BACK
RY950
RELAY
DRIVER
Q950
D2110,
2302,
2303
RY355
RELAY
DRIVER
Q355
2
1
TB352
RY352
RELAY
DRIVER
Q352
CURRENT
DETECT
Q761,762
CURRENT
DETECT
Q711,712
CURRENT
DETECT
Q405,406
CURRENT
DETECT
Q455,456
CURRENT
DETECT
Q811,812
CURRENT
DETECT
Q561,562
CURRENT
DETECT
Q511,512
CURRENT
DETECT
Q661,662
CURRENT
DETECT
Q611,612
RELAY
DRIVER
Q901
Q280,
Q697,
Q699
FAN DRIVER
CN1501
CN1502
AC IN 
DETECT
Q902
RECT
D902,D903
RECT
D932
F933
F932
F931
F934
RY931
230 - 240V
220V
120 - 127V
R
R
S901
VOLTAGE SELECTOR
RELAY
DRIVER
Q931
‡6LJQDOSDWK
            : TUNER (FM/AM)
‡5FKLVRPLWWHGGXHWR
VDPHDV/FK
4
4
73
1
5
4
5
4
4
2
POWER_RY
80
STOP
TUNER/
AUDIO
SECTION
(Page 13)
B
SIGNAL
SELECTOR
IC2032 (2/2)
M1 
(FAN)
M
M2 
(FAN)
M
KM7
KM5: E51, EA
KM7: EA
‡$EEUHYLDWLRQ
 E51  : &KLOHDQDQG3HUXYLDQPRGHOV
 EA  : 6DXGL$UDELDPRGHO
Ver. 1.5
STR-KM5/KM7
STR-KM5/KM7
18
18
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