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Schematic Diagram - Power/Amplifier (3/3)/Led Section - Sony XM-7547 Service Manual

Stereo power amplifer
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XM-7547
5-8. SCHEMATIC DIAGRAM – POWER/AMPLIFIER (3/3)/LED SECTION –
AMPLIFIER BOARD
Q853
Q854
2SB1375
2SC2712-Y
POWER CONTROL
DRIVER
9.5
R867
11.8
1k
C860
R886
10.1
470/10
2.2k
C899 0.022
9.4
46+
C897 0.022
–2.3
D853
C896 0.01
02CZ10Y
Q855
2SC3074-Y (TE16L)
INVERTER
R863 4.7k
Q852
R852
470
2SC2712-Y
Q851
TH852
2SA1358-Y
2
1
CNP806
2P
2P
CNJ806
1
2
FN801
DC FAN MOTOR
B+
R815
GL-5ED60
R811
R812
2.2k
470
470
0
B+
THERMAL
R809
R810
0
680
680
Q803
R814
R807
R808
GL-5ED60
2.2k
470
470
0
OFFSET
R805
R806
0
680
680
Q802
R813
GL-5ED60
R803
R804
2.2k
470
470
0
OVERCURRENT
R801
R802
0
680
680
GL-5ED60
Q801
HI-CURRENT
GL-5ED60
B+
HI-VOLTAGE
REMOTE
• See page 10 for IC Block Diagram.
TO AMPLIFIER BOARD (1/3)
(Page 11)
D854
B+
+45V
C861
C863
C706
D855
100/50V
0.047
0.001
D856
D857
C865
C867
100
0.1
T851
16V
L851
R868
BL01RN1-A62
D858
C866
10
C869
0.45µH
100
0.1
D859
16V
–15V
9.4
–2.4
Q856
D860
R882
C862
2SC3074-Y
C864
1M
100
(TE16L)
0.047
D861
50V
–45V
INVERTER
TH851
12.6
R864
D854, 855, 860, 861
D856, 857, 858, 859
47k
11EFS2-TB5
11EQS04-TA1B
Q851, 852
0.1
FAN MOTOR
DRIVE
1
CNB805
1
Q808, 810 2SA1162-Y
12.8
12.8
R824
C801
R828
10k
470P
10k
12.8
12.8
0
0
0
Q810
Q808
0
R820
R821
R823
R826
R829
R825
R830
10k
10k
10k
3.3k
3.3k
10k
10k
12.8
0
R832 47k
12.8
D806
0
0
0
0
Q804
Q805
Q806
Q807
Q809
1SS184
R827
R831
R822
C802
10k
10k
-TE85L
10k
C804
22
470P
16V
Q804-807, 809
Q804-806
Q807, 808
Q809, 810
R833
2SC2712-Y
LED DRIVE
OVER
OFF SET
3.3k
CURRENT
7
7
B+
B+
Q917, 918
DRIVER
5
R818
R819
TH904
470
470
22k
R943
R936
C922
TH903
3.3k
10k
0.01
22k
R816
R817
1
1
470
470
5
R937
10k
0
R938
R942
470k
470
R941
5
1.5k
R940
0
47k
C921
1000P
R939
10k
F903 25A
D907
1SS184-TE85L
F904 25A
L903
SUB WOOFER
1
B+
+12V
GND
+12V
B+
3
F901 25A
L901
4CH
B+
F902 25A
C904
R907
1000P
CNJ801
4.7k
Q905
C902
1P
2SC2712-Y
1000P
0
B+ SWITCH
0.7
R901
D902
10k
R908
02CZ5.1Y-TE85L
0.1
3.3k
5.2
R902
R906
330
1.5K
5.9
R905
Q903
5.3
4.7k
2SC2712-Y
R904
B+ SWITCH
1k
B+
R903
3.3k
13.2
Q902
2SA1162-Y
13.9
B+
POWER ON/OFF
Q901
12.9
2SB1243-QR-TV2
B+ SWITCH
TO AMPLIFIER BOARD (2/3)
(Page 13)
12.7
C707
R870
C859
0
0.001
10K
1000P C870 47/16V
Q857
R874
2SC2712-Y
1M
B–
Q858
2SA1162-Y
R871
12.7
10K
R872
0.2
10K
Q859
Q858-861
R873
2SC2712-Y
OFF SET
10K
B–
10
–27.6
CNP805 10P
10
ON
S802
NFB
OFF
R838 100
D807
26.8
26.7
1SS184-TE85L
Q812
R836
C806
R834
R835
0.3
1K
2SA1162-Y
22
3.3k
91k
SWITCH
16V
R837
26
0.9
10K
IC903
Q811
C805
D808
2SC2712-Y
22/16V
02CZ6.8-TE85L
TEMPERATURE
SWITCH
DETECT
S801
0.2
IC903
MODE (HI-VOLTAGE
HI-CURRENT)
IC813
PS2501-1-K
5
FAN MOTOR
2.5
23.8
DETECT
–22.5
12.9
02CZ15-TE85L
12.8
TH905 22k
R956
Q919
150
–23.8
2SC2712-Y
R953
Q921
R947
1k
SWITCH
10k
R961
12.8
22
12.8
0.4
1/4W
R965
R962
0.4
1
R955
13.8
1k
IC904
150
UPC494GS-T1
Q920
Q922
Q924
0.1
0.4
0.4
12.8
C925
0.4
47/10V
R954
C927
R945
Q923
Q925
1k
22/16V
0.4
0.4
220k
R946
C924
220
R948
R949
0.1
22/16V
10k
15k
R963
0.4
13.8
1k
Q920, 921
IC904
2SA1680-TPE6
R960
R966
DRIVER
1k
R964
1
CONVERTER
22
Q922, 923
B+
2SC4408-TPE6 DRIVER
Q924-929 MTP75N06HD INVERTER
Q911-916 MTP75N06HD INVERTER
B+
Q909, 910
2SC4408-TPE6
R926
R930
DRIVER
2.2
1
R924
1k
R927
13.8
0.5
0.4
1K
C906
22 16V
0.1
R911
220
0.4
0.4
R910
R919
Q909
Q911
220k
1k
C907
47 10V
Q907
Q910
Q912
0.4
0.4
0.1
12.8
IC902
R928
1k
13.8
UPC494GS-T1
R920
150
R931
R929
1
12.8
22
Q907, 908
Q908
0.5
2SA1680-TPE6
DRIVER
R918
12.8
1k
IC901
12.8
R921
2.5
PS2501-1-K
150
B+
IC901
TEMPERATURE
IC902
5
DETECT
CONVERTER
14
14
(Page 13)
TO AMPLIFIER BOARD
(2/3)
C873
0.01
12.7
R875
Q860
10K
C871
C872
2SC2712-Y
0
B–
1000P
47/16V
R877
C878
1M
8200/35V
C879
8200/35V
C877
C874
Q861
B–
0.1
0.1
2SA1162-Y
–27.6
R876
C876
10K
0.1
C875
0.1
B+
B–
B–
B+
B–
B–
C944
0.01
D911
B+
B+
–25.8
R951
R952
B–
4.7k
220
–26.5
R967
R969
1
1
13.8
D912
FCH20A15
13.8
C929
2200 16V
Q926
Q928
C930
T902
C935
0.4
2200 16V
L904
220
BL01RN1-A62
C931
35V
µ
2200 16V
0.45
H
C932
C936
2200 16V
D913
Q927
Q929
220
FRH20A15
0.4
35V
C933
C937
13.8
13.8
0.047
0.01
R968
R970
1
1
B+
B+
R932
R934
1
1
C911
0.1
D906
13.8
13.8
FRH20A15
B–
C913
T901
0.4
2200 16V
C918
Q913
Q915
C914
220 35V
2200 16V
C915
L902
2200 16V
BL01RN1-A62
C945
C917
Q914
Q916
µ
0.01
0.4
0.45
H
220 35V
B+
C916
C919
D905
13.8
13.8
2200 16V
0.01
FCH20A15
R933
R935
Q906
1
1
2SC2712-Y
SWITCH
–24.1
–26.8
TH902
R916
R917
–22.5
B–
B+
22k
4.7k
220
–26.2
D904
D903
B+
23.8
02CZ15-TE85L
RD36FB2
B+
B+

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