Sony XM-502Z Service Manual ▷ View online
9
XM-502Z
IC901 µPC494GS
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
OSC
REF. REG.
ERROR
ERROR
0.1V
3-3. IC BLOCK DIAGRAM
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for schematic diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
A
: B+ Line.
•
B
: B– Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from +12V and REM terminals.
• Voltage is dc with respect to ground under no-signal
condition.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: AUDIO
for printed wiring boards:
•
: Pattern from the side which enables seeing.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
10
XM-502Z
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.
• Abbreviation
CND : Canadian model
• 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.
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.
Ref. No.
Part No.
Description
Remark
4-1. HEAT SINK (MAIN) SECTION
R
Ref. No.
Part No.
Description
Remark
R
0 F901
1-532-947-11 FUSE (BLADE TYPE) (AUTO FUSE) (30A)
#1
7-685-546-14 SCREW +BTP 3X8 TYPE2 N-S
#1
#1
not supplied
not supplied
#1
#1
#1
F901
11
XM-502Z
4-2. MAIN BOARD SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
#2
#2
not supplied
not supplied
not supplied
#1
#3
#3
#3
#4
#4
#4
52
53
54
51
51
A-3283-670-A MAIN BOARD, COMPLETE
52
3-266-084-01 PANEL (FRONT) (US,CND,E)
52
3-266-084-11 PANEL (FRONT) (AEP,UK)
53
3-266-086-01 COVER (LED)
54
3-912-431-01 SCREW (+–P)
#1
7-685-546-14 SCREW +BTP 3X8 TYPE2 N-S
#2
7-685-546-19 SCREW +BTP 3X8 TYPE2 N-S
#3
7-682-948-01 SCREW +PSW 3X8
#4
7-682-648-09 SCREW +PS 3X8
12
XM-502Z
SECTION 5
ELECTRICAL PARTS LIST
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
NOTE:
• Due to standardization, replacements in
the parts list may be different from the
parts specified in the diagrams or the
components used on the set.
parts specified in the diagrams or the
components used on the set.
• RESISTORS
All resistors are in ohms.
METAL:Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F:nonflammable
METAL:Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F:nonflammable
• 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.
• SEMICONDUCTORS
In each case, u : µ, for example:
uA.. : µA..
uA.. : µA..
uPA.. : µPA..
uPB.. : µPB.. uPC.. : µPC.. uPD.. : µPD..
• CAPACITORS
uF : µF
• COILS
uH : µH
A-3283-670-A MAIN BOARD, COMPLETE
*********************
3-266-086-01 COVER (LED)
3-912-431-01 SCREW (+–P)
7-682-648-09 SCREW +PS 3X8
7-682-948-01 SCREW +PSW 3X8
7-685-146-14 SCREW +P 3X8 TYPE2 NON-SLIT
3-912-431-01 SCREW (+–P)
7-682-648-09 SCREW +PS 3X8
7-682-948-01 SCREW +PSW 3X8
7-685-146-14 SCREW +P 3X8 TYPE2 NON-SLIT
< CAPACITOR >
C101
1-163-251-11 CERAMIC CHIP
100PF
5%
50V
C102
1-163-251-11 CERAMIC CHIP
100PF
5%
50V
C103
1-163-243-11 CERAMIC CHIP
47PF
5%
50V
C104
1-163-251-11 CERAMIC CHIP
100PF
5%
50V
C105
1-163-251-11 CERAMIC CHIP
100PF
5%
50V
C106
1-126-960-11 ELECT
1uF
20%
50V
C107
1-107-823-11 CERAMIC CHIP
0.47uF
10%
16V
C108
1-164-004-11 CERAMIC CHIP
0.1uF
10%
25V
C109
1-126-933-11 ELECT
100uF
20%
16V
C110
1-163-251-11 CERAMIC CHIP
100PF
5%
50V
C111
1-126-947-11 ELECT
47uF
20%
25V
C112
1-163-243-11 CERAMIC CHIP
47PF
5%
50V
C113
1-163-235-11 CERAMIC CHIP
22PF
5%
50V
C114
1-126-960-11 ELECT
1uF
20%
50V
C115
1-137-374-11 MYLAR
0.047uF
5%
50V
C201
1-163-251-11 CERAMIC CHIP
100PF
5%
50V
C202
1-163-251-11 CERAMIC CHIP
100PF
5%
50V
C203
1-163-243-11 CERAMIC CHIP
47PF
5%
50V
C204
1-163-251-11 CERAMIC CHIP
100PF
5%
50V
C205
1-163-251-11 CERAMIC CHIP
100PF
5%
50V
C206
1-126-960-11 ELECT
1uF
20%
50V
C207
1-107-823-11 CERAMIC CHIP
0.47uF
10%
16V
C208
1-164-004-11 CERAMIC CHIP
0.1uF
10%
25V
C209
1-126-933-11 ELECT
100uF
20%
16V
C210
1-163-251-11 CERAMIC CHIP
100PF
5%
50V
C211
1-126-947-11 ELECT
47uF
20%
25V
C212
1-163-243-11 CERAMIC CHIP
47PF
5%
50V
C213
1-163-235-11 CERAMIC CHIP
22PF
5%
50V
C214
1-126-960-11 ELECT
1uF
20%
50V
C215
1-137-374-11 MYLAR
0.047uF
5%
50V
C301
1-115-340-11 CERAMIC CHIP
0.22uF
10%
25V
C302
1-126-934-11 ELECT
220uF
20%
16V
C303
1-164-004-11 CERAMIC CHIP
0.1uF
10%
25V
C304
1-164-004-11 CERAMIC CHIP
0.1uF
10%
25V
C305
1-126-965-11 ELECT
22uF
20%
50V
C306
1-165-949-11 ELECT
1500uF
35V
C307
1-165-949-11 ELECT
1500uF
35V
C308
1-163-021-11 CERAMIC CHIP
0.01uF
10%
50V
C309
1-163-021-11 CERAMIC CHIP
0.01uF
10%
50V
C310
1-164-004-11 CERAMIC CHIP
0.1uF
10%
25V
C311
1-164-004-11 CERAMIC CHIP
0.1uF
10%
25V
C312
1-126-933-11 ELECT
100uF
20%
16V
C313
1-126-933-11 ELECT
100uF
20%
16V
C314
1-164-004-11 CERAMIC CHIP
0.1uF
10%
25V
C315
1-163-021-11 CERAMIC CHIP
0.01uF
10%
50V
C316
1-163-009-11 CERAMIC CHIP
0.001uF
10%
50V
C317
1-104-655-11 ELECT
470uF
20%
6.3V
C318
1-163-021-11 CERAMIC CHIP
0.01uF
10%
50V
C901
1-137-380-11 MYLAR
0.47uF
5%
50V
C902
1-164-004-11 CERAMIC CHIP
0.1uF
10%
25V
C903
1-163-009-11 CERAMIC CHIP
0.001uF
10%
50V
C904
1-163-021-11 CERAMIC CHIP
0.01uF
10%
50V
C905
1-126-933-11 ELECT
100uF
20%
16V
C906
1-164-004-11 CERAMIC CHIP
0.1uF
10%
25V
C907
1-126-933-11 ELECT
100uF
20%
16V
C908
1-163-009-11 CERAMIC CHIP
0.001uF
10%
50V
C909
1-163-021-11 CERAMIC CHIP
0.01uF
10%
50V
C910
1-163-009-11 CERAMIC CHIP
0.001uF
10%
50V
C911
1-127-573-11 CERAMIC CHIP
1uF
10%
16V
C914
1-137-374-11 MYLAR
0.047uF
5%
50V
C915
1-131-731-11 ELECT
2200uF
20%
16V
C916
1-164-004-11 CERAMIC CHIP
0.1uF
10%
25V
< CONNECTOR >
* CN901
1-691-785-11 PIN, CONNECTOR (PC BOARD) 4P
(HIGH LEVEL)
< JACK >
CN902
1-770-068-82 JACK, PIN 2P (INPUT)
< TERMINAL BOARD >
CN903
1-780-133-11 TERMINAL BOARD (4P+3P+FUSE) (REM,+12V,
GND,SPEAKER OUT,30A)
< DIODE >
D101
8-719-801-78 DIODE 1SS184
D102
8-719-801-78 DIODE 1SS184
D201
8-719-801-78 DIODE 1SS184
D202
8-719-801-78 DIODE 1SS184
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.
When indicating parts by reference
number, please include the board.
number, please include the board.
MAIN
• Abbreviation
CND : Canadian model
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