![background image](http://html.mh-extra.com/html/sony/hcd-ep305/hcd-ep305_service-manual_420648018.webp)
18
18
HCD-EP305
Display/Power Section
LD621
LIQUID
CRYSTAL
DISPLAY
X602
6MHz
IC601 (3/3)
SYSTEM CONTROLLER,
LIQUID CRYSTAL DISPLAY DRIVER
6V
CD 8V
Q116
B+ SWITCH
Q602
SWITCH
TUNER +9V
D317
D307
D310
D308
D311
Q308, 309
+8V
REGULATOR
Q313
+9V
REGULATOR
Q312
+6V
REGULATOR
ZD401
+6V
REGULATOR
9V
D401 – 404
RECT
D411 – 414
RECT
Q401,402
POWER ON/OFF
RELAY DRIVE
Q310,311
REGULATOR
CONTROL SWITCH
TR402
POWER
TRANSFORMER
(SUB)
D405 – 408
RECT
RL401
AC IN
TR401
POWER
TRANSFORMER
(MAIN)
SW601 - 615, 621, 622
KEY MATRIX
IC301
(POWER AMP)
D611 - 615
IC602
KEY CONTROL
DATA
CLOCK
SW600
Z
PUSH
OPEN/CLOSE
D607
D608
D619
TIMER
DC_15V
DC_12V
D1 - D3
(LCD BACK LIGHT)
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299