Sony ICF-CD555TV Service Manual ▷ View online
ICF-CD555TV
9
1
two screws
2
two brackets (DSP)
3
insulating sheet (DSP)
4
LCD unit (LCD1)
3-9.
LCD UNIT (LCD1)
3-10. THE CABLE PROCESSING METHOD WHICH CONNECTS A MAIN BOARD AND TV BOARD
case (front)
adhesive tape
cabinet (lower)
ditch
ditch
ditch
arm (release)
TV board
CN1404
CN1402
CN1403
CN1401
CABLE
CABLE
MAIN board
(CN501, CN502, CN503, CN504)
(CN501, CN502, CN503, CN504)
Note: When connecting cable, set it as shown in the figure.
10
ICF-CD555TV
SECTION 4
TEST MODE
LCD TEST MODE
Procedure:
1. Turn the power ON while pressing simultaneously three keys
1. Turn the power ON while pressing simultaneously three keys
of
[2]
,
[VOLUME --]
and
[TV/VIDEO]
.
2. The microprocessor version will be displayed on the LCD.
3. Press the
3. Press the
Z
key. The LCD display will become as follows.
LCD display
4. The display corresponding to a key is turned off, if a key on
the set is pressed.
Key Corresponding Table
Key
Segment
CLOCK
AM, PM, : (colon),
TIMER
TIMER , TIMER LED
1
1a, 1d, 1e, 1f, 1g
2
2c, 2f
3
3e, 3f
4
4a, 4d, 4e
5
5b, 5e
VOLUME –
– VOL –
VOLUME +
. (dot), MHz, kHz, CH
.
6b
>
6a, 6c, 6d, 6e, 6f, 6g
BAND
RADIO, WEATHER, FM1, FM2
s
1b, 1c, 2a, 2b, 2d, 2e, 2g, 3a, 3b, 3c, 3d, 3g,
4b, 4c, 4f, 4g, 5a, 5c, 5d, 5f, 5g
4b, 4c, 4f, 4g, 5a, 5c, 5d, 5f, 5g
7
CD, TRACK , H
MODE
, SHUFFLE, REP, 1, ALL
TV/VIDEO
VIDEO
TV ON
TV
SOUND
MEGA BASS, MEGA EXPAND
TV MENU
REC, MESSAGE, MB number underline
ENTER
1, 2, 3, 4, 5, N
5. After all keys on the set were pressed, press the
Z
key, and
the test mode will be released.
RADIOVIDEO
TIMER
TV
AM
WEATHER
FM12 PM
kHz
MHz
CH
CD
REC
SHUFFLE
REP 1 ALL
MEGABASS
VOL
TRACK
MESSAGE
1 2 3 4 5
MEGAXpand
11
ICF-CD555TV
– SIDE-KEY BOARD (Conductor Side) –
TP604
Mode
Description
LCD
Key
Main
Sub
s
7
.
>
BAND
TV ON
.
>
Processing
end
Long pressed
INT
State when TEST MODE is activated.
0
STOP0
FOCUS0
STOP
STOP0
State when
s
key is pressed once from initial state.
1
FOCUS0
SLDR
SLDF
EF
Normal
STOP
Automatically adjusted value is held.
2
STOP0
FOCUS0
SLDR
SLDF
Normal
FOCUS
FOCUS0
Auto focus transfer mode
3
STOP
FOCUS
FOCUS
Focus servo ON state.(CLV-S, tracking/sled, servo OFF)
4
STOP
F.LPC
FCSR
FCSF
EF
AUTO
It will be referred to as LPC ON if focus carries out on.
OFF
F.LPC OFF
LPC OFF in focus state.
5
STOP
ALSV
FCSR
FCSF
SCURVE
ALL
ALSV
State where all servo systems are turned ON.
7
STOP
ALPC OFF
FCSR
FCSF
EF
AUTO
SERVO
ALPC OFF
State where all servo systems are turned ON.(LPC OFF)
8
STOP
TGUP
FCSR
FCSF
TGUP
State with tracking gain up in all servo systems are turned ON.(LPC ON)
9
STOP
ALSV
FCSR
FCSF
AUTO
Mode in which automatic adjustment is made at once.
b
SLED
SLDF
Sled is fed outward in stop state.
c
STOP
STOP
STOP
STOP
STOP
SLDF
SLDR
Sled is fed inward in stop state.
d
STOP
STOP
STOP
STOP
STOP
SLDR
F.SLED
FCSF
Sled is fed outward in focus state.
E
FOCUS
FOCUS
FOCUS
FOCUS
FOCUS
FCSF
FCSR
Sled is fed inward in focus state.
F
FOCUS
FOCUS
FOCUS
FOCUS
FOCUS
FCSR
CD-JUMP TEST MODE
Procedure:
1. Connect the oscilloscope to TP (TE) and TP (VREF) on the
1. Connect the oscilloscope to TP (TE) and TP (VREF) on the
CD board.
Connecting Location: CD board (See page 13)
Connecting Location: CD board (See page 13)
2. Connect 270 k
Ω and 47 kΩ resistors in parallel to the end of
TP604 on the SIDE-KEY board, and short another end of re-
sistors to the GND, and the CD-JUMP TEST MODE will be
activated.
sistors to the GND, and the CD-JUMP TEST MODE will be
activated.
3. Insert a CD disc.
4. Turn the power ON. Press the
4. Turn the power ON. Press the
7
key.
5 . If the
[MODE]
key is pressed, you can jump in fast feed or fast
reverse direction with the
>
or
.
key by the jump
amount set in table 1.
6. Turn the power OFF to release the CD-JUMP TEST MODE.
Table 1
LCD
Key
>
.
REP ALL
TRACK + 1
TRACK - 1
SHUFFLE
TRACK + 10
TRACK - 10
SHUFFLE, REP
TRACK + 100
TRACK - 100
Waveform of TP (TE) and TP (VREF) output in each mode is as
follows.
follows.
Connecting Location:
REPEAT – ALL mode
500
500
µ
s/div
SHUFFLE mode
1 ms/div
1 ms/div
SHUFFLE – REPEAT mode
10 ms/div
10 ms/div
CD TEST MODE
Procedure:
1. Connect 120 k
1. Connect 120 k
Ω and 47 kΩ resistors in parallel to the TP604 on the SIDE-KEY board, and short another end of resistors to the GND,
and the CD TEST MODE will be activated.
2. Insert a CD disc.
3. Turn the power ON. Press the
3. Turn the power ON. Press the
7
key.
4. The following shows the state transition table for each key operation in respective sub modes of CD TEST MODE.
5. Turn the power OFF to release the CD TEST MODE.
5. Turn the power OFF to release the CD TEST MODE.
State Transition Table
If each key is pressed in respective sub modes, the mode will transit to the sub modes listed in table.
12
ICF-CD555TV
TV TEST MODE
Procedure:
1. Turn the power ON while pressing simultaneously two keys
1. Turn the power ON while pressing simultaneously two keys
of
[2]
and
[VOLUME --]
.
2. When the TV test mode is activated, the TV monitor will be-
come as follows.
SR7570 TEST MODE MENU
1. INITIAL MENU
2. FOR FACTORY
3. LCD SETTING
4. LOAD DEFAULT
5. TUNER TEST
Ver.7570S100
3. Five items can be changed over by pressing the
[TV MENU]
key.
4. The selected item is displayed in red and the items not selected
are displayed in cyan. (“Ver. 7570S100” is displayed in red.)
5. You can enter the selected item by pressing the
[ENTER]
key.
6. Also, an item can be selected directly with the
[1]
to
[5]
keys
on the set or remote commander (RMT-CCD555A).
1.
INITIAL MENU (TV MENU PRESET)
•
TV menu item is initialized.
Procedure:
1. Press the
1. Press the
[TV MENU]
key to select the “INITIAL MENU” on
the main screen.
2. Each item of TV menu can be initialized, if pressing the
[ENTER]
key.
2.
FOR FACTORY (FOR ADJUSTMENT)
•
It is used at the time of adjustment.
Procedure:
1. Press the
1. Press the
[TV MENU]
key to select the “FOR FACTORY” on
the main screen.
2. A changing between setting item and “EXIT” is possible by
pressing the
[TV MENU]
key. (The selected item is displayed
in red)
3. If the
[ENTER]
key is pressed when the setting item has been
selected, settable items can be changed over, and the value of
the selected item can be adjusted by pressing the
the selected item can be adjusted by pressing the
.
/
>
keys. (For details, refer to VIDEO BUS ADJUSTMENT
(See page 17))
4. The main screen comes back if the
[ENTER]
key is pressed
when “EXIT” has been selected.
Note:
The same operation is also carried out by pressing the keys on the
remote commander.
3.
LCD SETTING
This mode is not used in servicing.
4.
LOAD DEFAULT
•
It carries out, only when EEPROM (IC1451) is exchanged.
Procedure:
1. Press the
1. Press the
[TV MENU]
key to select the “LOAD DEFAULT”
on the main screen.
2. All settings can be initialized, if pressing the
[ENTER]
key.
(In addition to the “INITIAL MENU”, set value of RGB
decoder (IC1501) and tuner N value)
decoder (IC1501) and tuner N value)
5.
TUNER TEST
This mode is not used in servicing.
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