Circuit Boards Location - Sony MDS-JA50ES Service Manual

MDS-JA50ES
— POWER SECTION —
+12V REG
IC904
AMP. +12V
1 3
+5V REG
IC304
AD. +5V 1 3
+5V REG
IC503
DA. +5V 1 3
+7V REG
IC507
DA. +7V 1 3
UNREG. +8V
–12V REG
IC903
AMP. –12V 1 2
–5V REG
IC303
1 2
AD. –5V
RELAY. +5V
–7V REG
IC506
AD. –7V 1 2
D +3.3V
BD. +5V
STB
RESET GEN.
IC901
S.RST 3 5
B. UP +5V
C
BT901
LITHIUM ION
DIGITAL
BATTERY
SECTION
(Page 40)
P. DOWN
DA-MUTE
D901,903
RELAY
D
POWER ON/OFF
MUTE
MUTE SW
HP MUTE
AUDIO
Q901,902
SECTION D902,904
(Page 42)
• Abbreviation
G: German model
09
T001
POWER
TRANSFORMER
RY901
RECT
D911,912
RECT
D909,910
S001
RELAY MAIN
RECT
DRIVE POWER
D919,920
Q905
AEP,UK,G
RECT
D915
+5V REG
IC905
P.H. +5V
M+5V 2 1
STB
4
4
STB
D+5V 2 1
+3.3V REG
IC204
+5V REG
IC907
5 1
+7V REG
+5V REG
IC909
IC191
5 1 2 1
STB
4
T002
POWER
TRANSFORMER
STBY SW
Q903
+5V REG
SYS. +5V
IC902
D907
RECT
7 1
RES D916
D908
5
D914
RECT
10 13
D921,922
POWER DOWN
DETECT
IC906
–32V REG
IC908
RECT
3 1
FL. –32V
D918
TO
F1
FLUORESCENT
INDICATOR
F2
TUBE
— 43 —

6-2. CIRCUIT BOARDS LOCATION

CN001
AC
IN
AC board
PSW board
HP board
DISP board
BD board
IN board
PW board
DIO board
DA board
DVOL board
DIG board
AVOL board
LMOT board
HLIM board
HMOT board
OUT board
— 44 —
PJ board
AD board