Sony xm-754sx Service Manual page 10

XM-754SX
Q Q
3 7 6 3 1 5 1 5 0
T E
L 1 3 9 4 2 2 9 6 5 1 3
w w w
x a o
y
. i
http://www.xiaoyu163.com
8
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS
AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for schematic diagram:
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and
1
/ W or less unless otherwise
4
specified.
• % : indicates tolerance.
• 2 : nonflammable resistor.
Note: Note:
The components identi- Les composants identifiés par
une marque 0 sont critiques
fied by mark 0 or dotted
line with mark 0 are criti- pour la sécurité.
cal for safety. Ne les remplacer que par une
Replace only with part piéce portant le numéro
number specified. spécifié.
• 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 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
Q Q
• Circled numbers refer to waveforms. 3 7 6 3
• Signal path.
F : AUDIO
for printed wiring boards:
Note:
• X : parts extracted from the component side.
•
: Pattern from the side which enables seeing.
(The other layer's patterns are not indicated.)
• IC Block Diagram
IC901 µPC494GS-T1
16 15 14 13 12 11
ERROR REF. REG.
0.1V
OSC
ERROR
1 2 3 4 5
u 1 6 3
.
10 10
http://www.xiaoyu163.com
2 4
9 9 8
• Semiconductor Location (MAIN SECTION)
Ref. No.
D801
D802
D805
D812
D813
D822
D823
D824
D825
D826
D827
D828
D829
D901
D902
D903
D904
D905
D906
D907
D908
D909
D910
D911
D912
D913
D914
D917
D918
R141
R241
R341
R441
1 5 1 5 0 8 9 2 4
IC801
IC806
IC807
IC808
IC813
IC814
IC815
IC901
IC902
Q101
Q102
Q103
Q104
Q107
Q108
Q109
Q110
10 9
6 7 8
m
c o
2
9 9
Location Ref. No. Location
E-7 Q111 F-11
E-7 Q112 E-12
Q201 G-7
F-10
E-7 Q202 D-7
F-7 Q203 D-10
F-12 Q204 D-9
F-12 Q207 D-10
F-12 Q208 D-10
D-12 Q209 C-11
D-1 Q210 D-11
F-1 Q211 D-11
G-11 Q212 C-12
G-11 Q301 G-4
Q302 F-3
G-9
G-9 Q303 D-3
D-6 Q304 D-4
D-5 Q307 D-3
D-7 Q308 D-3
D-7 Q309 C-1
A-9 Q310 D-1
A-8 Q311 D-1
A-4 Q312 C-1
A-4 Q401 G-4
D-7 Q402 F-3
Q403 E-3
D-7
E-6 Q404 E-4
E-5 Q407 E-3
D-5 Q408 E-3
D-5 Q409 E-1
Q410 F-1
F-12 Q411 F-1
D-11 Q412 F-1
D-1 Q801 E-7
F-1 Q802 E-7
Q803 B-12
9 8 2 9 9
Q804 B-12
F-6
G-7 Q805 C-12
G-7 Q809 G-10
F-5 Q810 G-12
G-3 Q811 G-12
G-4 Q812 G-12
E-7 Q813 G-12
F-10 Q901 F-9
Q902 F-9
E-9
Q903 G-9
G-8 Q904 A-8
D-8 Q905 A-7
E-9 Q906 A-6
E-9 Q907 A-5
E-10 Q908 A-7
E-10 Q909 A-6
E-11 Q910 E-6
F-11 Q911 E-5