Switch Check (2); Led Check; Self Diagnosis Code - Sony MVC-FD75 Service Manual

4. Switch Check (2)

Page 3
Using method:
1) Select page: 3, addresses: 13 to 15.
2) By discriminating the dispaly data, the pressed key can be
discriminated.
Address
00 to 14
13 CONTROL DOWN
(KEY AD0) (PK-59 board) (PK-59 board) (PK-59 board) (PK-59 board)
(IC702 is) (S701)
14 CONTROL RIGHT CONTROL LEFT
(KEY AD1) (PK-59 board) (PK-59 board) (PK-59 board) (PK-59 board)
(IC702 id) (S701)
15 CONTROL SET
(KEY AD2) (PK-59 board) (PK-59 board) (PK-59 board)
(IC702 if) (S701)

5. LED Check

Page 3 Address 02
Using method:
1) Select page: 3, address: 02, and set data: 02.
2) Check that all LED except for the ACCESS LED are lit.
3) Select page: 3, address: 02, and set data: 00.

6. Self Diagnosis Code

Display Code Countermeasure
Change the disk and turn off the main
C:32:01
power then back on.
Replace the floppy disk.
C:13:01 Format the floppy disk with the MVC-
FD75.
Checking of flash unit or replacement of
E:91:01
flash unit
E:61:00
Checking of lens drive circuit
E61:10
[Power supplying Method]
Use the AC power adaptor (AC-VQ850/VQ850D) when supplying the power to this set.
Addresses 13 to 15
15 to 3B 3C to 64
CONTROL UP PICTURE EFFECT
(S701) (S703)
DISPLAY
(S701) (S704)
FLASH BRIGHT–
(S705) (S709)
Data 02
Data
65 to 91 92 to BD
BRIGHT+
(S706)
PROGRAM AE
(S707)
Cause
Defective floppy disk.
• The type of floppy disk that cannot be
used by this machine, is inserted.
(Such as 2DD)
• Data is damaged.
• Unformatted disk is inserted.
Abnormality when flash is being
charged.
When failed in the focus initialization.
5-25 E 5-25
BE to E9 EA to FF
Caution Display During Error
DRIVE ERROR
DISK ERROR
Flash LED
Flash display
Flashing at 3.2 Hz
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