Sony XM-7527 Service Manual ▷ View online
XM-7527
13
13
5-5. SCHEMATIC DIAGRAM – FILTER/AMPLIFIER SECTION –
• See page 11 for IC Block Diagram.
(Page 15)
(Page 15)
POWER DRIVE
INVERTER
INVERTER
POWER CONTROL
YG
-T
YG
-T
YG
-T
YG
-T
L906
0.45uH
L904
0.45uH
L907
0.45uH
L905
0.45uH
R948
220
R947
220
C961
0.01
C960
0.022
C959
0.022
R943
1k
R944
1k
C967
0.001
C965
0.001
C964
0.001
C963
100 16V
C962
100 16V
L908
0.45uH
C966
0.001
XM-7527
14
14
5-6. PRINTED WIRING BOARD – POWER SECTION –
• Semiconductor
Location
Ref. No.
Location
D801
E-5
D802
E-5
D803
G-2
D804
B-2
D805
B-1
D806
E-5
D901
C-4
D902
C-4
D905
F-1
D906
F-1
IC901
G-1
IC903
B-3
Q801
E-5
Q802
E-5
Q803
B-2
Q804
B-3
Q805
D-5
Q806
D-5
Q807
D-6
Q808
D-6
Q809
D-6
Q810
C-6
Q811
C-5
Q901
C-4
Q902
C-4
Q903
C-4
• Semiconductor
Location
Ref. No.
Location
D903
E-4
D904
E-3
IC801
B-3
IC902
F-1
Q904
C-5
Q905
G-1
Q906
G-1
Q907
H-1
Q908
H-1
Q909
H-4
Q910
H-2
Q911
H-4
Q912
H-2
Q913
H-5
Q914
H-3
Q915
F-1
A
B
C
D
E
F
G
H
1
2
3
4
5
6
POWER BOARD
(SIDE A)
E
R812
R811
C902
R906
R810
R813
C903
R903
R827
R826
R825
R824
R823
C806
R821
R822
R819
R815
R806
R814
C801 R808
R809
R801
R807
R820
R817
C803
R816
R818
R805
R802
C915
TH801
Q807
Q805
D801
D802
D806
Q802
Q801
R858
R860
R857
R859
R905
R904
D805
Q803
Q804
D804
TH802
R804
R924
R920
R923
R919
R803
R912
C908
R909
R932
R915
R916
R913
R911
C909
R910
R907
R908
R931
TH901
R921
R922
R914
Q915
D905
D902
Q902
D901
Q811
Q810
Q809
Q808
Q806
Q903
Q901
IC901
1-675-239-
11
09
E
E
E
E
E
E
E
E
E
E
E
E
E
D803
A
B
C
D
E
F
G
H
1
2
3
4
5
6
POWER BOARD
(SIDE B)
1-675-239-
11
S801
MODE
(HI-VOLTAGE HI-CURRENT)
F901
25A
C901
R901
CNJ801
F902
25A
25A
+12V
GND
CN802
1
CNB804
9
IC801
C802
BLK +5V
BLU MUTE
BLU MUTE
BLU OFFS
BLU H-V
BLU TH
BLU H-C
BLU FAN
BLU FAN
BLU +B
BLU GND
AMPLIFIER
BOARD
CNP804
CNP804
A
(Page 12)
L901
Q904
BLK H-C
BLU H-V
BLU OFFS
BLU O-C
BLU TH
BLU GND
BLU +B
BLU H-V
BLU OFFS
BLU O-C
BLU TH
BLU GND
BLU +B
R902
C804
C805
1
CNP803
7
LED BOARD
CNB803
C
(Page 15)
E
D903
D904
TO
AMPLIFIER
BOARD
(Page 12)
+28V
GND
-28V
C910
C911
C912
C913
L902
T901
R929
Q913
R927
Q911
R925
Q909
R930
Q914
R928
Q912
R926
Q910
PL901
S
G
G
G
G
G
G
S
S
S
S
S
E
E
E
E
R918
Q906
Q905
Q908
Q907
R917
C905
C904
C907
C906
D906
C921
IC902
C920
C919
XM-7527
15
15
(Page 13)
(Page 13)
(HI-CURRENT > HI-VOLTAGE)
5-7. SCHEMATIC DIAGRAM/PRINTED WIRING BOARD – LED/POWER SECTION –
• See page 11 for IC Block Diagram.
• Semiconductor
Location
Ref. No.
Location
D841
A-1
D842
A-2
D843
A-3
D844
A-5
D845
A-4
Q841
A-1
Q842
A-2
Q843
A-3
CNB803
1
1-675-242-
11
R845
R842
R850
R849
R848
R843
R854
JW842
D841
D841
THERMAL
JW841
R853
R855
R841
R844
R847
R846
R851
R852
JR841
Q841
Q842
Q843
POWER BOARD
CNP803
C
LED BOARD
BLK H-C
BLU H-V
BLU OFF
BLU O
.C
.
BLU
TH
BLU GND
BLK +B
(Page 14)
E
E
D842
OFF SET
D843
OVER
CURRENT
D845
HI-VOLTAGE
D844
HI-CURRENT
POWER/PROTECTOR
MODE
R
G
E
D842
R
G
D843
R
G
D845
G
D844
G
1
A
2
3
4
5
09
16
16
SECTION 6
EXPLODED VIEWS
6-1. PLATE AND COVER SECTION
• F901 and F902 are including into the Power board (Ref No. 65).
NOTE:
• Items marked “*” are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
should be anticipated when ordering these items.
• The mechanical parts with no reference number in
the exploded views are not supplied.
• Hardware (# mark) list and accessories and pack-
ing materials are given in the last of this parts list.
• Abbreviation
CND : Canadian model
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
* 6
3-039-167-01 PANEL (L), SIDE
7
3-704-177-11 EMBLEM (No. 7), SONY
8
3-040-933-01 BOLT, M4 HEXAGON HOLE
F901
1-576-256-11 FUSE (BLADE TYPE) (AUTO FUSE) (25A)
F902
1-576-256-11 FUSE (BLADE TYPE) (AUTO FUSE) (25A)
* 1
3-039-168-01 PANEL (R), SIDE
* 2
3-039-174-01 HEAT SINK (COVER)
* 3
3-039-173-01 PLATE (BKT), BOTTOM
* 4
3-039-170-01 LENS(COVER)
* 5
3-039-169-01 PLATE, BOTTOM
1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
#1
2
3
3
3
4
7
8
8
5
6
F901
F902
6-2. BOARD AND HEAT SINK SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
* 60
1-675-242-11 LED BOARD
* 61
3-039-180-01 BAR(PC-PC), BUS
* 62
3-039-179-01 HEAT SINK, SPACER
* 63
3-039-183-01 SHEET (POWER), INSULATING
* 64
3-033-321-01 RETAINER
* 65
A-3317-926-A POWER BOARD, COMPLETE
* 66
A-3317-927-A AMPLIFIER BOARD, COMPLETE
* 51
3-039-175-01 HEAT SINK (US,CND)
* 51
3-039-175-11 HEAT SINK (AEP,UK,E)
* 52
1-675-243-11 FILTER BOARD
* 53
3-039-172-01 HOLDER, VOL
* 54
3-039-200-01 BRACKET (PWB)
* 55
3-039-177-01 HEAT SINK (AMPLIFIER), SUB
* 56
3-039-184-01 SHEET (AMP), INSULATING
* 57
3-039-178-01 HEAT SINK (RECTIFIER), SUB
58
3-912-431-01 SCREW (P)
59
3-039-171-01 HOLDER, LED
#1
#4
51
52
53
53
53
54
55
56
56
57
58
58
59
61
63
64
60
65
62
66
#4
#5
#6
#8
#8
#8
#9
#9
#4
#1
(Including Ref No.66)
(Including Ref No.66)
#1
(Including Ref No.65)
(Including Ref No.65)
#3
#1
#2
#2
#2
#1
#1
#4
#4
#10
#10
#7
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