Sony MCC-3000MT Service Manual page 175

KY-687 (4/5)
POWER & LCD-I/F BLOCK
+12V
CN400
JC401
4.75 to 25V Operating Input
0
1 DC_IN(12V)
2 DC_IN(12V) MP1580HS-LF-Z
IC400
2
C404
3 GND JC402
0.01uF
0 7 IN 1
4 GND JC400 EN BS
0 3
5 LED_ALERT SW
8 5
6 GND SYNC FB
6
COMP
8 7
GND
4
GND
GND
D403
1SS388
+12V
IC401
NJM78M05DL1A-TE1
1
IN
G/FIN
GND
LCD_DB0,LCD_DB1,LCD_DB2,LCD_DB3,LCD_DB4,LCD_DB5,LCD_DB6,LCD_DB7,LCD_E,LCD_R/WE,LCD_RS,LCD_V0
001:14C
H ON
001:14C
L OFF LED_BACKLIGHT_CONT
LED_BACKLIGHT_CONT
MCC-3000MT
+3.3V +12V
L400
Power Pattern Wide>1mm
JC403
22uH
OUT 3.3V MAX2A
0
S
R402
15k
1608 0.5%
R405
1608 0.5%
6.2k
R406
2.7k 1608 0.5%
Constant Current Circuit
Power Pattern Wide>1mm
220 OUT 24mA
2 R409
OUT
1608 0.5%
C407
47uF
3 10V
LCD_V0
LCD_RS
LCD_R/WE
LCD_E
LCD_DB0
LCD_DB1
LCD_DB2
LCD_DB3
LCD_DB4
LCD_DB5
LCD_DB6
LCD_DB7
Q400
DTC114EE-TL
GND
D401 1SS388
IC402 875965303
+5V
NJM78M05DL1A-TE1
Power Pattern Wide>1mm
JC404 JC405
OUT 5V MAX1A
0 1 2 0
IN OUT
C410
C409 C411
G/FIN
47uF
0.1uF 3 0.1uF
GND
+5V
R408
1k
JC423
NM
0 C412
0.1uF
FB400
GND
FB401
FB404
FB405
FB406
FB407
FB408
FB409
FB410
FB411
FB412
FB413
FB414
FB402
FB403
+12V
JC421
0
JC422 0
4 5
GND
OPEN COLLECTOR 15V MAX
001:5D
<---------------
FAN_LOCKED
LCD-I/F
7 8
VSS 6
VDD 5
V0 4
RS 3
R/W 2
E 1
CN401
GND 11 12
DB0 10
DB1 9
DB2 8
DB3 7
DB4 6
DB5 5
DB6 4
DB7 3
LED+ 2
LED- 1
CN402
KY-687 (4/5)
BOARD NO. 1-887-199-11, -12
KY-687_4
To FAN
CN403
12V 1
GND 2
CONTROL 3
SUFFIX -11:MOUNT
SUFFIX -12:NO MOUNT
001:13H
LED_ALERT
7-55