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3-5. BLOCK DIAGRAM POWER SECTION
DIGITAL SECTION
+5VV
S/C VIDEO
SECTION
-5VV
-5V
AC3RF
SECTION
+5VB
SWITCH
Q305
+5V
+35V
DISPLAY
SECTION
+5VB
D POWER
V POWER
PORY48
E
STOP OUT
(Page 10)
POW CONT
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+15V
VOLUME
SECTION
-15V
+15V
-15V
+15V
AUDIO A/V
SECTION
-15V
-15V
IC310
+5V
+5D1
3
1
REG
+5D2
IC308
+3V
3
1
+3D1
REG
IC309
+3V
SWITCHING
+3D2
3
1
REG
Q301,309
+12V
TUNER
SECTION
SWITCH
Q303
+5V
IC314-316
PHONO
+15V
+5V
+5VA
3
1
SECTION
REG
-15V
IC326-328
-5V
-5VA
3
2
REG
IC312
+5V
SWITCHING
3
1
REG
Q302
IC313
SWITCHING
-5V
3
2
Q306
REG
SWITCH
Q304
IC311
+5V
3
1
REG
+35V SW
Q310
E VOL SECTION
IC3105
+5V
+5V
3
1
REG
+15V
-15V
IC3205
+15V
3
1
REG
IC3455
-15V
3
2
AMP/SPTM
REG
SECTION
IC3305
IC4001
+15V
+18V
3
1
3
1
REG
REG
IC3306
IC4002
-15V
-18V
3
2
3
2
REG
REG
CTRLA1 SECTION
IC1402
+12V
1
3
REG
IC1401
+5V
1
3
REG
+B
-B
RY24V
RY801
S801
80HM
RELAY
INPEDANCE
DRIVE
SELECTOR
Q801
40HM
RY802
SWITCH
Q802
11
11
F803
D807
+20V
F804
-20V
F805
D811
+9V
F806
-9V
D812-815
+38V
T901
JW801
F801
D801
F1
D802
F2
JW802
F802
D804 D805
T902
D901-904
D908
D909
IC901
+5V
3
1
REG
AC DET
Q902
RY901
RELAY
DRIVE
Q901
TA-VA777E
F901
F902
J901
AC IN
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