Read Sony NW-A1200 Service Manual online
NW-A1200
19
19
NW-A1200
5-3-13. SDRAM check
SDRAM is checked.
Checking method:
1. Enter the test mode.
2. Press the
2. Press the
[ ]
B
key to display major item, and press the [ ]
v
/ [ ]
V
key to select the “OTHERS”.
EL display
OTHERS
3. Press the
[ ]
B
key to display minor item, and press the [ ]
v
/ [ ]
V
key to select the “RAMCHK”.
EL display
RAMCHK
4. Press the [ ]
u
key, “START” is displayed and SDRAM is
checked. (This operation takes about 20 seconds)
Then “OK” or “NG” is displayed automatically.
EL display
START
r
OK
5. Press the [BACK]
key, return to minor item selection screen.
5-3-14. Hard disk drive serial No. display
Serial No. of hard disk drive is displayed.
Checking method:
1. Enter the test mode.
2. Press the
2. Press the
[ ]
B
key to display major item, and press the [ ]
v
/ [ ]
V
key to select the “OTHERS”.
EL display
OTHERS
3. Press the
[ ]
B
key to display minor item, and press the [ ]
v
/ [ ]
V
key to select the “HDD SN”.
EL display
HDD SN
4. Press the
[ ]
u
key, Serial No. of hard disk drive or “NG” is
displayed.
EL display
**********
***
: Serial No. of hard disk drive (20 digits or less)
5. Press the [BACK]
key, return to minor item selection screen.
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