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STR-DA4ES/DA7ES/VA333ES
26
26
6-6. BLOCK DIAGRAM — POWER AMP SECTION —
RELAY
DRIVER
CURRENT
PROTECT
IDLING
CURRENT
FRONT L
RELAY
DRIVER
27,56,68
60
69
RELAY
DRIVER
RELAY
DRIVER
RELAY
DRIVER
CURRENT
PROTECT
DRIVE
CURRENT
PROTECT
CURRENT
PROTECT
TM601
Q547-549
JW901
JW902
JW904
F902
F802
F901
S902
IMPEDANCE SELECTOR
4
Ω
8
Ω
F801
Q901
RY901
D901-904
RELAY
DRIVER
+40V
REG
D803-806
D807
F805
T1
POWER
TRANSFORMER
F806
D812
D801,802
D813
F1
F2
Q801
+40V
+B
-B
Q2101
LEVEL
CHECK
+3.3VB
+5V
IC501
POWER AMP
IC701
POWER AMP
IC651
POWER AMP
IC601
POWER AMP
+B
+B
+B
-B
-B
-B
IC702
IC503
IC502
IC703
IC654
IC652
RY601
RY651
Q611
Q661
Q651,652
CURRENT
PROTECT
+B
-B
IC655
IC653
Q658,659
Q708,709
Q508,509
RV501
IDLING
CURRENT
SURROUND
RV701
IDLING
CURRENT
CENTER
RV652
RV501
RV701
Q599
Q598
RELAY
DRIVER
Q621
Q707
RY504
RY503
RY702
R CH
R CH
R CH
R CH
L
R
R
CENTER
SURROUND
FRONT
A
L
R
FRONT
B
SPEAKERS
L
PHONES
FL
SL
+BV
-BV
+BV
CENTER
+BV
-BV
-BV
+BV
-BV
SBL
TM501
TMP701(1/2)
TMP701(2/2)
J101
T902
D906
D907
J901
AC
OUTLET
~AC IN
• R-ch is omitted due to same as L-ch
• Signal Path
: CD(ANALOG)
AEP MODEL
EXCEPT AEP MODEL
EXCEPT AEP MODEL
EXCEPT
AEP MODEL
EXCEPT
KR MODEL
KR MODEL
IC1810
D+5V
IC308
IC312
+15V
IC309
-15V
+15VA
IC310
RY+12V
IC802
+12V
(TRIG2)
+12V
(TRIG1)
+12V
(TRIG3)
IC803
IC801
IC1809
TUN+12V
IC1807
DSW+5V
B+
SWITCH
IC1804
-5V
+7V
IC1802
D908
IC1801
+3.3VB
+5VB
B+
SWITCH
Q1802
Q1803
Q1807
IC1803
+5V2
B+
SWITCH
B+
SWITCH
Q1805
Q1806
D1803-1806
IC313
-15VA
IC1808
TUN+3.3V
IC1805
DSW+3.3V
1
IC1806
DSW+4.7V
RY661
Q1804
IC2112
B+
SWITCH
POWER
SWITCH
Q902-904
Q2104
Q635
Q592
IC635
(-24V)
(+9V)
(-9V)
D1902
D1903
IC2105(6/6)
MD2
13
12
D544
D548
D545
D541
D542
D543
D540
RV652
RV651
R CH
R
2
SURR BACK
L
LEVEL
DETECT
Q710
+BV
+B
LEVEL
DETECT
Q660
+50V
REG
Q591,593
-BV
-B
-50V
REG
DA4ES,DA7ES
DA7ES
Q1801
CNP904
EXCEPT AEP,KR MODEL
AEP,KR MODEL
AC INLET
(Page
22)
(Page 25)
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9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299