Read Sony MDS-JA30ES Service Manual online
6-4. BLOCK DIAGRAMS — POWER SECTION —
— 25 —
3
1
+5V REG
IC301
3
1
+5V REG
IC503
3
1
+7V REG
IC507
1
3
+12V REG
IC904
RECT
D911
RECT
D909
D909
1
–12V REG
IC903
2
1
–5V REG
IC303
2
1
–7V REG
IC506
2
RELAY
DRIVE
Q905
RECT
D919,920
RY901
CN001
AC
IN
4
1
2
4
2
1
1
+3.3V REG
IC204
1
+5V REG
IC191
5
5
4
2
1
+7V REG
IC909
STB
STBY SW
Q903
+5V REG
IC907
STB
+5V REG
IC905
STB
RESET GEN.
IC901
3
5
D907
D908
BT901
LITHIUM ION
BATTERY
B. UP +5V
SYS. +5V
7
1
5
+5V REG
IC902
RECT
D916
RES
13
10
POWER DOWN
DETECT
IC906
RECT
D921,922
D914
D901,903
D902,904
POWER ON/OFF
MUTE SW
Q901,902
RELAY
MUTE
HP MUTE
D
AUDIO
SECTION
(Page 24)
(Page 24)
P. DOWN
DA-MUTE
S.RST
C
DIGITAL
SECTION
(Page 22)
(Page 22)
AMP. +12V
AD. +5V
DA. +5V
AMP. –12V
AD. –5V
RELAY. +5V
D+5V
D +3.3V
BD. +5V
UNREG. +9V
P.H. +5V
M+5V
RECT
D915
RECT
D918
3
1
FL. –32V
–32V REG
IC908
F1
F2
TO
FLUORESCENT
INDICATOR
TUBE
T001
POWER
TRANSFORMER
16
STB
MAIN
POWER
S001
DA. +7V
AD. –7V
Abbreviation
G : German model
AEP, UK, G
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