SIGNAL
: MAIN SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
POWER AMP
IC552
C1AA00000755
OSC
INT+
INT
-
VDDA1
SGND1
VSSA1
PROT
VDDP1
BOOT1
OUT1
VSSP1
ST
AB1
VSSP2
OUT2
BOOT2
VDDP2
VSSD
VSSA2
SGND2
VDDA2
IN2-
IN2+
MODE
POWER AMP
IC551
C1AA00000755
OSC
INT+
INT
-
VDDA1
SGND1
VSSA1
PROT
VDDP1
BOOT1
OUT1
VSSP1
ST
AB1
VSSP2
OUT2
BOOT2
VDDP2
VSSD
VSSA2
SGND2
VDDA2
IN2-
IN2+
MODE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
R512
68K
4
5
3
2
1
4
3
6
7
8
5
2
1
C563
0.1
C565
220P
C573
0.015
C579
0.1
C572
0.015
C570
220P
C560
0.1
C562
0.1
C558
0.1
C556
330P
C552
0.47
C554
0.47
C580
0.68
C582
0.1
C583
0.1
R526
22
R527
22
R529
120K
R532
68K
R5512
47K
C5506
16V10
C5507
16V10
R5513
47K
C581
0.68
C550 1000P
R520
5.6K
WA506
0
WA511
0
R522
5.6K
R524
10
C574
220P
C571
220P
R525
10
C575
220P
C559
0.1
C561
0.1
C557
330P
R534
10
R535
10
C551
1000P
C553 0.47
R521 5.6K
R523
5.6K
WA510
0
C555
0.47
C594
35V470
L502
ETQA15B220
L503
ETQA15B220
C595
35V470
SL
SR
OSC
+29V
-29V
FR-
FR+
MODE1
FL-
FL+
MODE1
SL+
FR+
FR-
FL+
FL-
FR-
FR+
FL-
FL+
SR+
MODE2
LB505
J0JKB0000020
LB504
J0JKB0000020
R549
120K
R552
68K
R569
120K
R572
68K
C688
6.3V100
R570
150K
C513
0.1
C509
0.1
C511
0.1
C
OSC
+29V
-29V
C+
MODE2
PWR_AMP
MUTE_ALL
MODE1
+5V
MUTE_SC
MODE2
DC_DET
JK503
JK504
C566 0.1
C577 1
C576 1
C569 1
C567 0.1
C568 1
C515
220P
C522
0.015
C529
0.1
C520
220P
C510
0.1
C512
0.1
C508
0.1
C506
330P
C502
0.47
WA500
0
WA504
0
WA521
0
C504
0.47
C530
0.68
C532
0.1
R506
22
DC DETECT SWITCH
DC DETECT SWITCH
VOLTAGE REGULATOR
SWITCH
SWITCH (MODE 1)
SWITCH (MODE 2)
SR+
SL+
C+
SR+
SL+
C+
GND
GND
GND
GND
GND
GND
D5003
B0ACCK000005
R5002
3.3K
R5003
3.3K
R5004
3.3K
R5005
3.3K
WA527
0
WA502
0
C5001
16V33
C5002
16V33
D5002
B0ACCK000005
C500 1000P
R500
5.6K
R502
5.6K
R504
10
R5700
4.7K
C524
220P
C544
35V470
C545
35V470
L500
ETQA15B220
LB503
J0JKB0000020
LB502
J0JKB0000020
R515
10
R514
10
C517 0.1
C527 1
C518 1
C516 0.1
C519 1
B1ABDF000033
Q592
B1ABDF000033
Q591
B1GDCFJJ0037
Q5001
B1GBCFJJ0040
Q5002
B1GBCFJJ0040
Q5003
B1GBCFJJ0040
Q5006
SCHEMATIC DIAGRAM - 7
DIGITAL AMP CIRCUIT
SPEAKERS
TO SURROUND / CENTER
TO FRONT SPEAKERS
SA-HR45E/EG DIGITAL AMP CIRCUIT
W522
0
1/2
2/2
SA-HR45E / SA-HR45EG
49
Summary of Contents for SA-HR45
Page 7: ...5 Operation Procedures 5 1 Remote Control Operation 7 SA HR45E SA HR45EG ...
Page 8: ...5 2 Main Unit Operation 8 SA HR45E SA HR45EG ...
Page 9: ...9 SA HR45E SA HR45EG ...
Page 11: ...5 4 2 Home theater connections 11 SA HR45E SA HR45EG ...
Page 13: ...6 2 Doctor Service Mode Special Mode setting 13 SA HR45E SA HR45EG ...
Page 17: ...7 3 Main Components and P C B Locations 17 SA HR45E SA HR45EG ...
Page 26: ...8 2 Checking Repairing DSP P C B Side B 26 SA HR45E SA HR45EG ...
Page 27: ...8 3 Checking Repairing Panel P C B Music Port P C B and Volume P C B 27 SA HR45E SA HR45EG ...
Page 28: ...8 4 Checking Repairing Main P C B Power P C B Digital Amp P C B 28 SA HR45E SA HR45EG ...
Page 30: ...9 1 2 Main P C B 30 SA HR45E SA HR45EG ...
Page 31: ...9 1 3 Power P C B 9 1 4 Panel P C B 31 SA HR45E SA HR45EG ...
Page 32: ...9 1 5 Digital Amp P C B 32 SA HR45E SA HR45EG ...
Page 36: ...36 SA HR45E SA HR45EG ...
Page 38: ...SA HR45E SA HR45EG 38 ...
Page 42: ...42 SA HR45E SA HR45EG ...
Page 52: ...SA HR45E SA HR45EG 52 ...
Page 55: ...14 2 B Main P C B SA HR45E SA HR45EG 55 ...
Page 56: ...14 3 C Digital Amp P C B SA HR45E SA HR45EG 56 ...
Page 57: ...14 4 D Panel P C B E Volume P C B F Music Port P C B SA HR45E SA HR45EG 57 ...
Page 58: ...14 5 G Power P C B SA HR45E SA HR45EG 58 ...
Page 59: ...14 6 H AC Inlet P C B SA HR45E SA HR45EG 59 ...
Page 60: ...SA HR45E SA HR45EG 60 ...
Page 61: ...15 Illustrations of IC s Transistors Diodes 61 SA HR45E SA HR45EG ...
Page 63: ...17 Exploded Views 17 1 Cabinet Parts Location SA HR45E SA HR45EG 63 ...