Read Sony SCD-1 / SCD-777ES (serv.man3) Service Manual online
10
SECTION 5
TEST MODE
5-1. FLUORESCENT INDICATOR TUBE MODE
Note:
Set the CD1/CD2 switch on the remote commander to CD1.
Procedure:
1. Press the
1. Press the
!
button while shorting the BP (TEST MODE) on
the DISPLAY board with tweezers, etc. and turn on the power,
so that the following operation will be executed automatically.
so that the following operation will be executed automatically.
(1) All segments from 1G to 19G light up in order, starting from
1G.
(2) Vertical one line (total 7) of all grids from 1G to 15G lights up
in order, starting from the left.
(3) Horizontal one line (total 5) of all grids from 1G to 15G lights
up in order, starting from the top.
(4) Grids from 1G to 15G go off, and all segments from 16G to
19G light up.
2. With the set in the 1-(4) status, pressing any key on the remote
commander changes the display as shown below, and activates
the key check standby mode.
the key check standby mode.
ARTIST
MIN
STEP
INDEX
CD1 CD2 CD3
3. When a key on the front panel is pressed, the corresponding
segment and LED light up. (See table below)
key on set
Key Attribute
Lighting segment (in 19 grids)
Lightning LED
A
EJECT
20 bit
–
TIME
TIME
24 bit
–
TEXT
TEXT
__|_____ (DIGITAL FILTER)
–
DIGITAL OUT
DIGITAL OUT
DIGITAL OUTPUT
–
FILTER
FILTER
__|_____ (DIGITAL OUTPUT)
–
SACD/CD
SACD/CD
NORM
–
H
PLAY
WIDE
PLAY LED
X
PAUSE
STD1234
PAUSE LED
x
STOP
DIGITAL FILTER
–
l
AMS-BACK
16 bit
CD LED
L
AMS-FORWARD
OFF
SACD LED
4. If “!%%TEST-END!!%%” is displayed after the keys listed
above were all pressed, the key check terminated successfully.
Note:
As this test does not check the LEDs, check them visually.
5. Press the
!
button to turn the power off, and disconnect the
plug from the socket.
1G
2G
3G
4G
5G
6G
7G
8G
9G
10G
11G
12G
13G
14G
15G
18G
17G
16G
19G
20G
– DISPLAY Board (Conductor Side) –
CN1002
CN1001
BP (TEST MODE)
Geid Assignment
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