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