Block Diagram - Power Supply Section - Sony XR-M500R Service Manual

XR-M500R/M550
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7-4. BLOCK DIAGRAM – POWER SUPPLY Section –
SYSTEM CONTROLLER
IC601 (4/4)
ACC IN 81
ILL IN 95
D904
CASSETTE SLOT
INDICATOR
D905
Z
CLOSE SW 99
OPEN SW 100
FRONT PANEL
OPEN/CLOSE DETECT
TU-ON 114
FLS-PWON 82
PW ON 83
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ILL ON
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B+ SWITCH
Q900, 901
TUNER VCC
TUNER +5V
TUNER CIRCUIT/
+5V REGULATOR
CLOSE RDS DECODER (IC701)
Q100
B+ (XR-M500R)
OPEN
B+
D609
SPECTRUM ANALYZER
+5V REGULATOR
CONTROL (IC102)
Q106, 107
B+
BACK UP +5V
LED901
(ILLUMINATION)
LSW912
Z
(XR-M500R)
LED917 – 921, LSW901 – 911,
LSW913 – 919, 921 – 925
(FOR ILLUMINATION)
(XR-M550)
LED917 – 921, LSW902, 904 – 911,
LSW913 – 918, 921 – 925
(FOR ILLUMINATION)
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ILLUMINATION
BATT B+
B+ SWITCH +9V REGULATOR
Q103, 104 IC605
REMOTE SWITCH
RIPPLE FILTER
REMOTE SWITCH
IC604
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+6V REGULATOR
IC604
LCD +9V
LCD DRIVER
(IC901, 902)
B+
B+ SWITCH
Q903, 904
LCD-SW1
B+ SWITCH
Q901, 902
LCD-SW2
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CN301 (2/2)
(POWER CONNECTOR)
D318 D315
ACCESSORY
7
CHECK ACC
Q608
D316
14
LINE DETECT ILL
Q607
16
B+
TH301
D308
ANTENNA 6
ANT-R
Q300, 301
TH300 D309
AMP
5
AMP-R
Q302, 303
3 1 5 1 5 0 8 9
AMP ON
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LCD-SW1, LCD-SW2
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