Test Mode - Sony MZ-B10 Service Manual
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Also See for MZ-B10:
- Operating instructions manual (60 pages) ,
- Specifications (2 pages) ,
- Limited warranty (1 page)
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Outline
• This set provides the Overall adjustment mode that allows CD
and MO discs to be automatically adjusted when in the test mode.
In this overall adjustment mode, the disc is discriminated be-
tween CD and MO, and each adjustment is automatically ex-
ecuted in order. If a fault is found, the system displays its loca-
tion. Also, the manual mode allows each individual adjustment
to be automatically adjusted.
• Operation in the test mode is performed with the set. A key
having no particular description in the text, indicates a set key.
Setting Method of Test Mode
There are three different methods to set the test mode:
1 Short SL803 (TEST) on the MAIN board with a solder bridge
(connect pin <zx. of IC801 to the ground). Then, turn on the power.
– MAIN Board (Side B) –
IC802
SL803
(TEST)
2 In the normal mode, turn on the
[GROUP]
ing the
key press the following order:
t
t
t
>
>
.
t
t
t
.
>
.
3 In the normal mode, turn on the
[GROUP]
While pressing the
on the remote commander with the following order :
t
t
t
>
>
.
t
t
t
.
>
.
Note: If electrical adjustment (CD and MO overall adjustment) has not
been finished completely, "ERROR" is displayed on LCD of the
set.
SECTION 4
TEST MODE
*
IC501
CSP(Chip Size Package)
[HOLD]
switch. While press-
t
t
.
>
t
X
X
[HOLD]
switch on the set.
key on the set, press the keys
t
t
.
>
t
X
X
Operation in Setting the Test Mode
• When the test mode becomes active, first the display check mode
is selected.
• Other mode can be selected from the display check mode.
• When the test mode is set, the LCD repeats the following dis-
play.
Set LCD display
All lit
SYNC
MONO
LP24
SP
All off
V e r 1 . 3 0 0
Microcomputer
version
display
All lit
All off
Microcomputer
version
012
V1.300
display
• When the
key is pressed and hold down, the display at that
X
time is held so that display can be checked.
Releasing the Test Mode
For test mode set with the method 1:
Turn off the power and open the solder bridge on SL803 (TEST)
on the MAIN board.
Note: Remove the solders completely. Remaining could be shorted with
the chassis, etc.
For test mode set with the method 2 or 3:
Turn off the power.
MZ-B10
X
SOUND 12
888:88
888
REC REMAIN
MIN
012
15
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