Read Sony XM-7527 Service Manual online
XM-7527
10
10
5-2. BLOCK DIAGRAM – POWER SECTION –
7
8
9
2
4
6
5
CNB804
CNJ802
CNJ801
TO
AMPLIFIER
BOARD
CNP804
GND
REMOTE
4
3
1
2
5
7
5
7
CNP803
POWER BOARD
OFFSET CONTROL
Q805-806
OFFSET LED
SWITCH
Q811
THERMAL DETECTOR
TH801
THERMAL DETECTOR
TH802
B+ SWITCH
Q904
B+ SWITCH
Q902
THERMAL
CONTROL
CONTROL
Q801
THERMAL
SWITCH
Q802
THERMAL
LED SWITCH
Q809
11
10
1
2
15
16
3
8
9
12
14
REF-REG
THERMAL SWITCH
TH901,Q915
DRIVER
Q906
INVERTER
Q910,912,914
DRIVER
Q905
INVERTER
Q909,911,913
T901
SWITCHING
CONTROL
Q907-908
Q907-908
F902 (25A)
F901 (25A)
S801
HI-V
HI-C
+28V
-28V
TO
AMPLIFIER
BOARD
AMPLIFIER
BOARD
D904
D903
IC902
DC DET
IC903
DC SWITCH
DC-DC
CONVERTER
IC901
OVER CURRENT
CONTROL
Q807-808
Q807-808
OVER CURRENT
LED SWITCH
Q810
D803
OR
D806
OR
D802
S801
MODE
HI-C
HI-V
S801
D905
D906
HI-V
HI-C
D845
HI-VOLTAGE
D844
HI-CURRENT
D843
OVER CURRENT
G
1
7
G
G
R
D842
OFFSET
G
R
D841
THERMAL
G
R
B+
Q843
SWITCH
Q842
SWITCH
Q841
SWITCH
CNB803
LED BOARD
09
MODE
MODE
+12V
B+ SWITCH
Q903
POWER ON/OFF
D901,Q901
REGULATOR
D804,Q803-804
B+
B-
1
4
3
2
1
4
3
2
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