Sony DVP-S9000ES Service Manual ▷ View online
6-11
6-10. IF CON SELF DIAGNOSTIC FUNCTION
1. FL-114 BOARD (IF CON) TEST MODE
The front board test mode is the IF CON self diagnostic mode.
The IF CON can diagnose the functions of the front panel boards
that the IF CON controls. Normally, the IF CON makes a serial
communication with the SYSTEM CONTROL and operates fol-
lowing the commands from the SYSTEM CONTROL, but in the
Test mode, the IF CON operates independently from the SYS-
TEM CONTROL.
The IF CON can diagnose the functions of the front panel boards
that the IF CON controls. Normally, the IF CON makes a serial
communication with the SYSTEM CONTROL and operates fol-
lowing the commands from the SYSTEM CONTROL, but in the
Test mode, the IF CON operates independently from the SYS-
TEM CONTROL.
In the Test mode, the following functions can be checked.
1. Button function
2. Remocon receiving function
3. SYSTEM CONTROL-IF CON serial communication
4. Click shuttle function
5. Fluorescent display tube lighting check
1. Button function
2. Remocon receiving function
3. SYSTEM CONTROL-IF CON serial communication
4. Click shuttle function
5. Fluorescent display tube lighting check
Grid check
Anode check
Anode check
6. LED control function
7. DIMMER test
8. BEEP test
9. SOUND test
10. SCACE test
11. FADE IN/OUT test
7. DIMMER test
8. BEEP test
9. SOUND test
10. SCACE test
11. FADE IN/OUT test
In the Test mode, the set operates same as usual, except voltage
monitoring, communication monitoring, display of fluorescent
display tube, and LED control.
1. The routine that monitors +3.3 V (PCONT) of MB-91 board is
monitoring, communication monitoring, display of fluorescent
display tube, and LED control.
1. The routine that monitors +3.3 V (PCONT) of MB-91 board is
not provided.
2. The monitoring timer for serial communication with the SYS-
TEM CONTROL is not provided. The set is not placed in the
Standby mode, even if the communication with SYSTEM
CONTROL is normal.
Standby mode, even if the communication with SYSTEM
CONTROL is normal.
3. Display of fluorescent display tube (normally, display is made
following the commands from SYSTEM CONTROL)
4. LED control (normally, control is made following the com-
mands from SYSTEM CONTROL)
2. OPERATION OF SELF CHECK MODE
The Self Check mode is the function to conduct the basic test to
the FL display and DVD panel section.
the FL display and DVD panel section.
2-1. Self Check Mode Transition Processing
At the AC Power ON after IF CON was reset (assuming that the
MB-91 board is not connected). While pressing the
MB-91 board is not connected). While pressing the
[STOP]
key on
the main unit with the IF CON in STANDBY mode, enter
[RETURN]
→
[DISPLAY]
(or
[SET UP]
) on the remote commander, and the unit
transits to the Self Check Mode. The Self Check mode terminates
when the IF CON transits to the STANDBY mode.
when the IF CON transits to the STANDBY mode.
+ 0.04
– 0.02
– 0.02
1.00 Vp-p
+ 0.04
– 0.02
– 0.02
On the Test Mode Menu screen, selecting
[7]
displays color bars
for prog level adjustment. During display of color bars, OSD dis-
appears but the menu screen will be restored if pressing any key.
appears but the menu screen will be restored if pressing any key.
2. PROG VIDEO LEVEL ADJUSTMENT
Measurement point
: COMPONENT VIDEO OUT (Y)
(75
Ω
terminating resistance)
Measuring instrument : Oscilloscope
Adjustment device
Adjustment device
: RV401 on VP-52 board
Specified value
: 1.00
Vp-p
6-12
2-2. Operation of Auto Self Check
When the Self Check mode becomes active at the AC Power ON
or by key input, the test display of the following steps (1) to (4) is
repeated.
(1) FLD and LED all ON (for 5 seconds)
or by key input, the test display of the following steps (1) to (4) is
repeated.
(1) FLD and LED all ON (for 5 seconds)
(2) MODEL display (for 2 seconds)
(3) Version display (for 2 seconds)
(4) ROM creation date display (for 2 seconds)
6-13
2-3. Each Self Check Function
Each Self Check function tests the FLD display, LED display, and
key input.
key input.
Basic, Entry-DD, Step Up-DD
1-3-1. FLD and LED All ON
1-3-1-1. Transition Keys in Self Check Mode
1-3-1-1. Transition Keys in Self Check Mode
• Mode Select mode with DVD MENU on remote commander
• Select the TEST ALL mode with the RIGHT or LEFT on the
• Select the TEST ALL mode with the RIGHT or LEFT on the
remote commander, and then press the RETURN key on remote
commander.
commander.
2-3-1-2. Operation and Display
In this mode, all LEDs except STANDBY LED and all segments
of FLD turn ON.
Example of FLD all ON
of FLD turn ON.
Example of FLD all ON
2-3-2. Main Unit Key Name Display and Key Code Display
2-3-2-1. Transition Keys in Self Check Mode
2-3-2-1. Transition Keys in Self Check Mode
• Mode Select mode with DVD MENU on remote commander
• Select the TEST KEY mode with the RIGHT or LEFT on the
• Select the TEST KEY mode with the RIGHT or LEFT on the
remote commander, and then press the RETURN key on remote
commander.
commander.
2-3-2-2. Operation and Display
When a key on the main unit is pressed in the Self Check mode,
the name of that key is displayed on the FLD. Also, the key name
display and the key code display can be switched with the
the name of that key is displayed on the FLD. Also, the key name
display and the key code display can be switched with the
[DISPLAY]
key on the remote commander. “NOTHING” is dis-
played when nothing is entered. Also, VIDEO CD, DVD, and CD
segments turn on when a communication error occurred.
segments turn on when a communication error occurred.
FLD display (at input of
[PLAY]
key on the main unit)
Input
IC204: Pin No. (Signal)
Voltage [V]
Pin ul
(AN6)
Pin i;
(AN7)
0 – 0.150
EJECT
AUDIO
DIRECT
0.467 – 0.767
PLAY
NEXT
1.295 – 1.595
PAUSE
PREVIOUS
2.112 – 2.412
STOP
6-14
Key code display (at input of
[PLAY]
key, Key code: 0Ah)
At input of faulty voltage
When two keys are pressed
1-3-3. Remote Commander Key Name Display and Key
Code Display
1-3-3-1. Transition Keys in Self Check Mode
• Mode Select mode with DVD MENU on remote commander
• Select the TEST REM mode with the RIGHT or LEFT on the
• Select the TEST REM mode with the RIGHT or LEFT on the
remote commander, and then press the RETURN key on remote
commander.
commander.
2-3-3-2. Operation and Display
When a key on the remote commander is pressed in the Self Check
mode, the name of that key is displayed on the FLD. Also, the key
name display and the key code display can be switched with the
mode, the name of that key is displayed on the FLD. Also, the key
name display and the key code display can be switched with the
[DISPLAY]
key on the remote commander. “NOTHING” is dis-
played when nothing is entered. Also, VIDEO CD, DVD, and CD
segments turn on when a communication error occurred.
segments turn on when a communication error occurred.
Remote commander key name display (at input of
[PAUSE]
key)
Remote commander key code display (at input of
[PAUSE]
key,
Key code: 39h)
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