Power Section - Sony STR-DE435 Service Manual

— POWER SECTION —
POWER AMP(L)
IC501
+B 13 VCC
BOOSTER
14 VCC +VE 2
Q506
-B 15 VEE
LIMITER
Q504
L 6 IN NF 5
LIMITER
Q505
MUT
1
BOOSTER
-VE 3
Q507
POWER AMP(C/W)
IC601
+B 9 VCC
BOOSTER
+VE 6
Q606
-B 7 VSS
LIMITER
Q604
C 1 IN
NF 2
LIMITER
Q605
BOOSTER
A
-VE 5
Q607
MAIN
SECTION
(Page 10)
W
POWER AMP(SL)
IC701
+B 13 VCC
BOOSTER
14 VCC +VE 2
Q706
-B 15 VEE
LIMITER
Q704
SL 6 IN NF 5
LIMITER
Q705
1 MUT
BOOSTER
-VE 3
Q707
MUTE
Q691,692
8
SYSTEM CONTROL/
MODE CONTROL
IC100(2/2)
12
X1
X101
5MHz
11 X2
16
33 32 31 30 62 58 60
Q125 Q129
Q127
Q131
LED DRIVE
FUNCTION
KEY
S102-120
S121,122
S123-148
EXCEPT D125,127,129,131
DE435 MODEL
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Q511
PROTECTOR
Q509,510
CUR DET
Q508
Q611
PROTECTOR
Q609,610
CUR DET
Q608
CUR DET
Q708
PROTECTOR
Q660-662
47 44
61 57 64 65 63 66 67 68 59 69 70
Q133 Q124 Q128 Q132
Q122 Q115 Q116
LED DRIVE LED DRIVE LED DRIVE
Q120 Q126 Q130
LED DRIVE
D122 D115 D116
EXCEPT
D133, 119 ,120, 123, 124 D133, 119 ,120, 123, 124
DE435 MODEL
D126 ,128,130,131
— 11 —
R CH
RY503
RELAY
DRIVE
Q513
S101
SPEAKERS
A+B
RY501
OFF
RELAY
DRIVE
A
Q546
B
RY502
RELAY
DRIVE R CH
Q596
RY601
RELAY
DRIVE
Q646
R CH
RY651
RELAY
DRIVE
Q696
RY701
RELAY
DRIVE
Q746
+B
-B
S501
8
IMPEDANCE
SELECTOR
4
50 43 45 42
POWER RY 48
SIRCS 26
RESET 10
STOP 39
P1 17 G1 12
71 78 . 80 88
100 89 36 37 27 5
Q1001
FL101
I/O
FL TUBE
BUFFER
F2 F1
STR-DE435/DE535/SE491/V424/V5
J501
PHONES
L
TM501
FRONT
SPEAKER
R
C
TM701
S(L)
SURROUND
SPEAKER
S(R)
J651
WOOFER
SWITCH
Q655,656
SWITCH SWITCH INV SW
Q653,654 Q651,652 Q657
+V
IC809 IC809
+5V
1 3
REG
+15V -V
+12V
IC804 IC802 IC801
+5V +12V +15V
+5V 3 1 3 1 3 1
REG REG REG
-30V
IC803
-15V
-15V 3 2
REG
RELAY
DRIVE
IC101
Q901
REMOTO
D108
CONTROL
RECEIVER
DELAY
+5.6V +B SW
RESET
Q902
Q101,102
D901-904
3
POWER
8 CONT 5
IC901
6
14
5
I/R
CONT
Q1002
IC1001
I/O IC1002 Q1004,1005
11 D1003-1005
BUFFER
33 I/R LED
DET DRIVE
2
12
15 16
X1000
DE535 ONLY
7.28MHz
J283
S-LINK
— 12 —
• RCH is omitted
• Signal Path
:FM
:CD (ANALOG)
• Abbreviation
AUS : Australian
CND : Canadian
SP : Singapore
DE535 : E MODEL
120V S901
VOLTAGE
SELECTOR
0V
1
120V
2
100V
2
0V
1
T901
F801
D801
2
2
F802
1
2
2
D802-805
D806 F1
REG
Q801
F2
AUS,AEP,
RY901 F901
CND,SP
MODEL
F903
JW925
AUS,AEP,
US,CND,E MODEL
CND,SP CNJ9
MODEL
T902 JW901 F904
JW902
US,CND MODEL
C
A