Sony XM-4S Service Manual ▷ View online
17
17
XM-4S
XM-4S
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
1
1
2
2
-1
-2
-1
-2
-1
-1
-2
-2
-1
-2
-1
-2
1-871-719- (12)
12
1-871-718- (12)
12
RED
WHT
WHT
ON
OFF
SW803
BLUE
ILLUMINATION
1-871-719- (12)
12
1-871-718- (12)
12
MAIN
BOARD
CN801
A
ON
OFF
VR803
REAR
FRONT
LOW BOOST
(40Hz)
VR802
LEVEL
SW802
LPF(80Hz)
ON
OFF
VR801
LEVEL
SW801
HPF(80Hz)
Q300
Q400
R111
R408
IC807
R421
R321
IC803
IC806
IC804
IC805
R211
R308
R409
R419
R420
C418
R320
R319
LED804
LED802
LED803
CN809
R822
C806
C318
R210
C314
C414
R417
R317
R418
R318
R316
R315
R416
R415
R413
R313
C412
C312
R414
R314
R412
R312
R410
R310
R411
R311
C410
C310
C409
C309
R309
C112
C212
R113
R114
R213
R214
R112 R212
C109
R208
R209
C209
C208
R108
C108
R109
R110
CN811
CN811
CN810
C408
VR801
VR802
VR803
C308
C110
C210
C311
C411
SW801
SW802
SW803
CN802
CN803
(ILLUMINATION)
(PROTECTOR)
(ILLUMINATION)
CN812
C211
C111
C413
C313
C415
C315
RED
W
HT
W
HT
W
HT
W
HT
BLK
−
BRN
＋
W
HT
MAIN
BOARD
CN813
FAN901
DC FAN
C
RED
W
HT
W
HT
W
HT
W
HT
W
HT
RED
WHT
W
HT
WHT
WHT
WHT
WHT
W
HT
W
HT
W
HT
MAIN
BOARD
CN804
W
HT
W
HT
B
RED
W
HT
W
HT
3-7. PRINTED WIRING BOARDS — FILTER SECTION — • Refer to page 12 for Circuit Boards Location.
: Uses unleaded solder.
(Page 14)
(Page 14)
(Page 14)
Ref. No.
Location
IC803
C-9
IC804
C-7
IC805
C-8
IC806
C-6
IC807
C-5
(LED802) G-2
(LED803) H-2
(LED804) F-2
(LED803) H-2
(LED804) F-2
Q300
B-4
Q400
C-4
• Semiconductor
Location
( ): SIDE B
18
18
XM-4S
XM-4S
3-8. SCHEMATIC DIAGRAM — FILTER SECTION —
(Page 15)
R318
R418
Q300
Q400
C408
C308
R114
R214
R314
R414
R108
R308
R311
R408
R411
R112
R212
R312
R320
R412
R420
R208
R317
R417
R109
R209
R316
R416
C112
C212
C312
C412
CN811
C415
C413
C111
C211
C315
C313
C318
R319 R321
C314
R315
C409
R409
R410
C410
C310
R309
R310
C309
IC804(1/2)
IC804(2/2)
IC806(2/2)
IC803(1/2)
IC803(2/2)
IC805(2/2)
IC805(1/2)
IC806(1/2)
IC807(1/2)
IC807(2/2)
C109
C108
R111
R110
R211
R210
C208
C209
R213
C414
R419
R421
C418
R415
R413
R313
R113
CN812
CN810
CN809
SW803
FAN901
CN802(1/2)
CN802(2/2)
SW801
SW801
VR801
VR801
SW802
SW802
VR802
VR802
VR803
VR803
CN803(1/2)
C110
C210
LED804
LED803
LED802
R822
C806
CN803(2/2)
C311
C411
(Page 15)
(Page 15)
(Page 15)
(Page 16)
19
XM-4S
• IC Block Diagram
IC903 TL594INSR (MAIN BOARD (2/2))
OSC
REF 5V
ERROR
ERROR
0.1V
Q1
Q2
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
20
XM-4S
SECTION 4
EXPLODED VIEWS
NOTE:
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
Some delay should be anticipated
when ordering these items.
• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color
• Accessories are given in the last of this parts list.
Ref. No.
Part No.
Description
Remark
4-1. HEAT SINK (MAIN) SECTION
R
Ref. No.
Part No.
Description
Remark
R
1
2-891-764-01 EMBLEM, XPLOD
2
2-891-789-01 WINDOW
3
2-891-768-01 TAPE, ADHESIVE
4
2-891-788-01 SCREW, ORNAMENTAL
5
2-891-766-01 COVER
* 6
2-891-792-01 HEAT SINK, MAIN
7
A-1216-763-A FILTER BOARD, COMPLETE
FAN901 1-787-564-11 FAN, DC (50-10)
#1
#1
7-685-545-19 SCREW +BTP 3X6 TYPE2 N-S
#2
7-685-790-09 SCREW +PTT 2.6X4 (S)
#3
7-685-547-19 SCREW +BTP 3X10 TYPE2 N-S
#4
7-685-549-19 SCREW +BTP 3X14 TYPE2 N-S
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Les composants identifiés par une
marque 0 sont critiques pour
la sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
marque 0 sont critiques pour
la sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
(LED-XPLOD board)
(LED-XPLOD board)
not supplied
#1
#1
FAN901
#4
#4
#1
#1
#1
#1
#3
#3
#3
#1
#1
#2
#2
1
2
3
7
4
4
5
6
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