Power Board - Sony HCD-FC8 Service Manual

– FL BOARD –
P1 1
P2 2
AD2 3
AD1 4
S1 5
32
S28
– POWER BOARD –
1
IC802 MSM9202-05GS-KDR1
Duty
Control
Digit
Control
Port
Driver
Address
Counter
ADROM
AD
16wX2b
Driver
CGROM
8wX35b
Segment
Driver
CGROM
248wX35b
IC901 STR-F6238S
OVER
CURRENT
PROTECTOR
INH1
LATCH
FEED BACK
INH2
DRIVE
2 3
Timing Timing
Generator 2 Generator 1
Control
Circuit
Command
Decoder
Read Write
Address
Counter
Address
Selector
DCROM
16wX8b
DRIVE
REGULATOR
OVER
VOLTAGE
PROTECTOR
THERMAL
SHUT DOWN
OSC
OVER LOAD
PROTECTOR
HCD-FC8/FC9
64 VDD
63 DAT
8bit
Shift 62 CLK
Register
61 CS
60 RST
59 OSC1
Oscillator
58 OSC0
57 GND
56 VFL
55
G16
Grid
Driver
40 G1
39 S35
33 S29
START
REGULATOR
CURRENT
MIRROR
4 5
77