Power Board - Sony MDS-DRE1 Service Manual

– DISPLAY Board –
IC101 M66004M8FP
DIG11 1
| |
DIG0 12
13
RES
CS 14
SERIAL
CLK 15
RECEIVE
CIRCUIT
DATA 16
OUTPUT
17
P1 PORT
(2BIT)
P0 18
V 1 19
CC
CLOCK
XOUT 20
GENERATOR
XIN 21
CIRCUIT
V 22
SS
RAM WRITE
CODE
WRITE
INDICATION
RESISTOR
(8BIT x 16)
SEG35 23
SEGMENT OUTPUT CIRCUIT
| |
SEG27 31
VP 32
64 DIG12
DIGITAL
|
OUTPUT
61 DIG15
CIRCUIT
INDICATION
CONTROLLER
INDICATION
CONTROL
RESISTOR
CODE/COMMAND
CONTROL
CIRCUIT
CODE
V
60
59
|
33
SEG26
– POWER Board –
IC401, 411 BA3963
MODE1(5V) 1
|
MODE2(7V) 2
C 3
RRC 4
RESET 5
5V 6
VCC 7
NC 8
NC 9
7V 10
PRE GND 11
2
CC
GND 12
SEG0
|
IC451 M62005L
INTERRUPT
GENERATOR
GENERATOR
1 2
IC501 M5293L
GND 2
REFERENCE
ON/OFF 4
VOLTAGE
IN 1
– 76 –
OVER
CURRENT
PROTECT
REF. V
–
+
OVER
CURRENT
PROTECT
SIGNAL
–
RESET
SIGNAL
–
3 4 5
+
–
OVERHEAT OVERCURRENT
PROTECTION LIMITTER
–
+
5k
REFERENCE
5
VOLTAGE
27k
3
OUT