Power Section - Sony STR-DE445 Service Manual

–- POWER SECTION –-
IC701
POWER AMP
+V OUT2 12
Q701,702
FRONT
8 IN2
NF2 9
-VOUT2 11
6 IN1
REAR
2
+V OUT1
Q651,652
NF1 5
1 MUTE
-VOUT1 3
A
(Page 8)
IC501
POWER AMP
1 IN
CENTER
+VOUT 6
Q501,502
NF 2
-VOUT 3
IC401
7
5
WOOFER
Q747,748
MUTE
SWITCH
S100-109
X101
FUNCTION
16MHz
KEY
29 82 83 38
57 85 86 45 46
IC101
REMOTE ROTARY ROTARY
CONTROL ENCODER ENCODER
RECEIVER
RV102 RV101
VOLUME JOG
Q705,706 Q707,708
Q703
CURRENT AF POWER
BOOSTER
DET PROTECT
LIMTER
Q704
BOOSTER
Q655,656 Q657,658
Q653
CURRENT AF POWER
BOOSTER
PROTECT
DET
LIMTER
Q654
BOOSTER
Q505,506
Q507,509
Q503
CURRENT
AF POWER
BOOSTER
DET
PROTECT
LIMTER
Q504
BOOSTER
S110-119 S120-128 S129-137 S150-152
FUNCTION FUNCTION FUNCTION FUNCTION
KEY KEY KEY KEY
39 40 41 56 55 54
IC102(2/2)
SYSTEM CONTROL
87 30 31 32 33 1 2 3 4 5 6
Q007 Q004-006 Q001-003
Q008
LED LED LED LED
I
DRIVER DRIVER SWITCH DRIVER
Q011
D001 D005-010
+7V
D011-014
RY791
Q791
RELAY
Q709
DRIVER
RY730
Q730
RELAY
DRIVER
DE545,SE501 MODEL
RY740
Q659 Q740
RELAY
DRIVER
RY601
Q610
RELAY
DRIVER
RY550
Q550
RELAY
DRIVER
RY560
Q560
RELAY
DRIVER
B+
Q695,696
SWITCH
Q722,723,725
INV.SW
PROTECTOR
B-
Q691-694
SWITCH
15 10 9 14 12 13
58
S501
IMPEDANCE
SELECTOR 8Ω
7 16 17 18 19 77 52 47 8
DE545,SE501 MODEL
Q100,101
D002
RESET
I
D004
24 26 34 29
IC103
FL DRIVER
F1
FL101
F2
9 9
R CH
J791
PHONES
TM602
L A
FRONT
L B
TM601
REAR
CENTER
J502
SUB
WOOFER
T901
D824-827
Q697
+9.2V
Q801
REG
+30V
D802
IC801
3 2
+7V REG B+
IC807
+5V 3 REG 2
B-
F1
IC804
4Ω
LED
3 2
REG
+5V F2
D820-823
IC803
+5V 3 REG 2
-12V
IC802
3 2
-7V REG
IC806
TUNER
3 2
REG
+12V
D898 D899
Q901
RELAY
DRIVER
Q951
REG
+5.6V
T902
D910-913
IC950
3
D915
POWER
8 5
CONTROL
D914
6
STR-DE445/DE545/SE501
• R ch is omitted
• Signal Path
: CD(ANALOG)
• Abbraviation
CND: Canadian model
AUS: Australian model
SP : Singapore model
TW : Taiwan model
CH : Chinese model
E,PX MODEL
S901
VOLTAGE
SELECTOR
240V
F903
220V
120V
DE545:US,CND,E,PX,SE501
MODEL
EXCEPT E,PX
EXCEPT US,CND,E,PX
F902
DE545,SE501 MODEL
F901 JW515
J911
AC
OUTLET
E,PX MODEL
JW519
US,CND,E,PX MODEL
JW518
EXCEPT E,PX
AC IN