Block Diagram - Amp Spesker Section - Sony str-da1500es Service Manual

Q Q
3 7 6 3 1 5 1 5 0
5-3. BLOCK DIAGRAM — AMP SPEAKER SECTION —
CNP930
RY930
R1 ( LOWER TAP) 2 7
6
1
R1 ( UPPER TAP) 8
POWER
TRANSFORMER
R1 ( LOWER TAP)
4
R1 ( UPPER TAP) 4
3
5 5
RELAY DRIVE
Q390
A
OUTFL
MAIN SECTION
(Page 15) OUTFR
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L 1 3 9 4 2 2 9 6 5 1 3
72
w w w
STR-DA1500ES
D931
PRE DRIVER
IC700
6 IN1 -VOUT2 11
8 IN2 +VOUT2 12
13 VCC
-VOUT1 3
14 VCC
+VOUT1 2
15 VEE
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http://www.xiaoyu163.com
8
POWER
1
3
AMP
CURRENT
2
Q753
DETECTOR
POWER
Q761-762
1
AMP 3
2
Q754
POWER
1
3
AMP
2 CURRENT
Q703
DETECTOR
POWER Q711-712
1
3 OVER LOAD
AMP
2
DETECT
Q704
Q323-325
POWER AMP
Q751,Q752
POWER AMP
Q701,Q702
Q Q
3 7 6 3
76
SYSTEM CONTROL
IC600 (3/5)
u 1 6 3
.
17 17
2 4
9 9 8
R-CH is omitted due to same as L-CH.
SIGNAL PATH
: AUDIO
RY360
RELAY DRIVE
Q360
RY350
RY355
1 5 1 5 0 8 9 2 4
REPLAY REPLAY
Y
DRIVER DRIVER
Q350 Q355
EEPROM
IC601
D603
5 6
D602
71 61 62
73 74
m
c o
STR-DA1500ES
2
9 9
J790
PHONES
8
4
TB001
SCREW TYPE
SPEAKER
TERMINAL
5
1
9 8 2 9 9
79