FILTER
Q506
Q505
Q513,
Q514
Q503
D502
D501
D527~D530
Q516
SYNC
PCONT
POWER CONTROL
CIRCUIT
POWER CONTROL/PROTECTION CIRCUIT
26
(25)
22
23
18
(19)
20
15
3
6
1
(2)
9
13
14
7
4
21
16
8
5
12(11)
24
SWITCHING
INTERFACE
SWITCH
DC DET
SWITCH
SWITCH
SYNC
SWITCH
-
+
-
+
-
+
-
+
SURRL(R)
SUBWOOFER
CIN
FLIN(R)
SUBIN
SLIN(R)
+DI SENS
+VD
+VCC HI
+VCC LOW
FL_O(R)
C_O
SUB_O
SL_O(R)
IN GND
DISP HMUT
AC IN
IH DET
-VCC LOW
-VCC HI
-VD
-DI SENS
FILTER
FILTER
FILTER
FRONTL(R)
CENTRE
Q517
VOLTAGE
REGULATOR
F1
Z501
Q501,
Q502
SWITCH
DC_DET
Q520
INTERFACE
SWITCH
Q511
MUTE_H
Q515,Q519
DCDET
SWITCH
VOLTAGE
REGULATOR
D513~D515,
D517
D511,D512,
D516,D518
T501
T502
D508
SUBAC2
SUBAC1
TO MAIN
BLOCK
(JK2000) OF
SA-HT520E/EB/EG-S
FL1
FL2
DUAL
LOW-NOISE
OP AMP
SIGNAL LINES
JK500
AC INLET
RLY501
POWER
TRANSFORMER
SUB
TRANSFORMER
JK502
CENTRE
SPEAKER
SUBWOOFER
JK501
FRONT
SPEAKER
JK501(JK502)
SURROUND
SPEAKER
Q507~Q510
FAN
MOTOR
DRIVE
L500
( ) Indicates Pin No. of Right Channel
Note : Signal Lines are applicable to the Left Channel only.
B
B
B
B
B
B
B
B
B
: MAIN SIGNAL LINE
B
B
M
A
E500
Summary of Contents for SB-WA520EB
Page 18: ...Step 5 Remove the screws from the subwoofer Disassembly of Power Amp unit ...
Page 19: ...Step 6 Remove 2 screws from the Power Amp unit ...
Page 20: ...Step 7 Pull out the Power Amp unit slightly as shown Note Be careful of attach wire at CN506 ...
Page 21: ...Step 8 Release the connector CN506 then pull out the entire Power Amp unit ...
Page 22: ...Steps 9 10 Remove all the screws Step 11 Release the connector CN507 to remove the rear panel ...
Page 23: ... Checking for the Power and AC Inlet P C B Step 12 Remove the screws from the AC Inlet P C B ...
Page 24: ...Steps 13 14 Remove the screws ...
Page 26: ...Step 16 Remove the screws ...
Page 27: ...Step 17 Place the P C B as shown for checking Replacement of the Power IC and Transistor ...
Page 28: ...Step 1 Desolder the Power IC and Transistor terminals Step 2 Remove the screws from the IC501 ...
Page 29: ...Step 3 Remove the screw Step 4 Replacement of the Power IC and Transistor ...
Page 30: ...7 Connection of the Speaker Wiring TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 31: ...8 Block Diagram TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 33: ...10 Printed Circuit Board TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 34: ...11 Wiring Connection Diagram TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 35: ...12 Illustration of IC s Transistors and Diodes TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 37: ...13 3 Packing Materials Accessories Parts List 13 4 Packaging TOP PREVIOUS NEXT ...
Page 39: ...13 1 1 Cabinet Parts Location TOP PREVIOUS NEXT TOP PREVIOUS NEXT ...
Page 51: ...13 4 Packaging TOP PREVIOUS TOP PREVIOUS ...
Page 52: ......
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