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25

1. To enter this test mode, press the  x  ,  FUNCTION  buttons

and turn the VOLUME control in the direction of (+)
simultaneously.

2. To exit from this test mode, press the  ?/1  button to turn the

power off.

Version information

 

[O]  Return to Top Menu

Firm (Main) :  Ver. xxxxx
Firm (Sub) :  xxxxx
RISC :   xxxxx
8032 :   xxxxx
Audio DSP :  xxxxx
Servo DSP :  xxxxx

Press  0  button on the remote commander.

• Check Version Information
To  check the version information, please follow the following
procedure.

(1) From the Top Menu of Remocon Diagnosis Menu, select “4.

Version Information” by pressing the  4  button on the remote
commander. The following screen appears on the on-screen
display.

To return to the Top Menu of Remocon Diagnosis Menu, press
0  button on the remote commander.

1. Press the  ?/1  button to turn the power on.
2. Press the  FUNCTION  button to to set the function “ DVD”.
3. Insert ECM-AC2 supplied as an accessory into the AUDIO

IN/A.CAL MIC jack.

4. While pressing the  X  and  A  buttons simultaneously, turn

the  VOLUME  control in the direction of (+) .

5. Confirm that the following are shown on the display panel.

1

The JACK inserted/non-inserted detection display and the
STEREO/MONO detection display.

2

Presence of DIGITAL voice input to the microcomputer.
(OK: input, NG: no input)

3

The value of the MIC input to the microcomputer. (shown
“255h”)

It is a mode to release the demonstration reproduct by the dedicated
demonstration disc.

1. During playback the DEMO Disc, press the  x    and  H

buttons for five seconds simultaneously.

2. The message “DEMO OFF” is displayed, a mode to reproduct

the demonstration is released.

1. Connect the DMPORT CHECK JIG (P/N: J-2501-309-A) with

the terminal DMPORT.

2. Press the  

?/1

  button to turn the power on.

3. Confirm that both LEDs of the DMPORT confirmation JIG

lights. (Confirmation the power supply line.)

4. Set the  FUNCTION  button with “DMPORT” on this model.
5. Press the  X ,  .  buttons and turn the  VOLUME  control

in the direction of (+) simultaneously, the DMPORT test mode
is activated.

6. It is confirmed that “DMPORT OK” is displayed on this set

display. (Confirmation of communication line)

7. To  a pinjack of the DMPORT confirmation JIG input

information relevant to audio signal (sine-wave 1.0Vrms) and
composite video signal (white 100% 1.0Vp-p, color bar, etc.)

8. Confirm the output of speakers and monitor TV. (Confirmation

of analog signal)

9. To exit from this mode, press the  X ,  .  buttons and turn

the  VOLUME  control in the direction of (+).

color pattern

generator

DMPORT 

CHECK JIG 

(P/N :               

J-2501-309-A)

DMPORT

board

TV

SET

CN204

J230

J001  

V

VIDEO

AUDIO

AF oscillator

FL speaker, 
FR speaker

IO-SCART

board

SPEAKER

board

TB301

*  *  *   *      *   *  *  * 

1

“NON” : Not detected
“ST”

: STEREO

“MN” : MONO

2

OK : input
NG : no input

3

  0-255 (Changes in real time)

1

2

3

26

When an error is detected, the FL tube alternately displays
“PROTECTOR h PUSH POWER”.

r

Press the  

?/1

  button.

* Buttons other than the  

?/1

  button are invalid.

“STANDBY” blinks three times on the FL tube.

r

The protection release state (POWER OFF) is established.
(No FL tube display)

r

Press the  

?/1

  button.

The power to the system turns on, and the normal operation is
established. (Restore)

1. If the AC plug is connected or disconnected during the

protection state, the protection state is released, and the normal
operation is established. (The protection state is not
maintained.)

2. The protection factor is displayed by pressing the

FUNCTION ,  A  and  >  buttons at the same time during
the protection state
(during the “PROTECTOR h PUSH POWER” display).
k When SD is detected: Repeats

“SD DETECT h PUSH POWER”.

k When DC is detected: Repeats

“DC DETECT h PUSH POWER”.

When the “L” output from the SD (shutdown) port on the S-
MASTER POWER Driver is detected, the power system other
than that of the FL tube is turned off, and the protection state
is established.
DC detection
When the “L” output from the power/speaker error detection
circuit (DC detection port) is detected for two seconds
continually, the power system other than that of the FL tube is
turned off, and the protection state is established.

27

When the optical pick-up assy is replaced, perform the
“EXECUTING IOP MEASUREMENT”.

EXECUTING IOP MEASUREMENT (See page 23)

1. Turn the power on.
2. Input the following signal from Signal Generator to FM

antenna input directly.

* Carrier Freq : A = 87.5 MHz, B = 98 MHz, C = 108 MHz

Deviation

: 75 kHz

Modulation : 1 kHz
ANT input : 35 dBu (EMF)

Please use 75 ohm “coaxial cable” to connect SG and the set. You
cannot use video cable for checking.
Please use SG whose output impedance is 75 ohm.

3. Set to FM tuner function and tune A, B and C signals.
4. Confirm “TUNED” is lit on the display for A, B and C signals.

The mark of “TUNED” means “The selected station signal is
received in good condition.”

generator

OUT (75 

Ω

)

SET

28

For Schematic Diagrams.
Note:
• All capacitors are in 

µ

F unless otherwise noted.  (p: pF)

50 WV or less are not indicated except for electrolytics and
tantalums.

• All resistors are in 

Ω

  and 

1

/

4

 

W or less unless otherwise

specified.

•

f

: internal component.

•

C

: panel designation.

•

A

: B+ Line.

• Voltages and waveforms are dc with respect to ground un-

der no-signal (detuned) conditions.

• Voltages and waveforms are dc with respect to ground in

service mode.

• Waveforms are taken with a oscilloscope.

Voltage variations may be noted due to normal production
tolerances.
no mark : DVD STOP
      

*

 : Impossible to measure

• Voltages are taken with VOM (Input impedance 10 M

Ω

).

• Circled numbers refer to waveforms.

• Signal path.

F

: AUDIO

J

: CD PLAY

c

: DVD PLAY

G

: DMPORT

d

: TUNER

L

: VIDEO

E

: Y

a

: CHROMA

r

: COMPONENT VIDEO

q

: R, G, B

f

: AUDIO IN

• Abbreviation

CND

: Canadian model

For Printed Wiring Boards.
Note:
•

X

: parts extracted from the component side.

•        

a

: Through hole.

•

: Pattern from the side which enables seeing.

(The other layers' patterns are not indicated.)

• Indication of transistor.

Caution:
Pattern face side:  Parts on the pattern face side seen from
(SIDE B)               the pattern face are indicated.
Parts face side:     Parts on the parts face side seen from
(SIDE A)               the parts face are indicated.

C

B

These are omitted.

E

Q

C E

B

These are omitted 

The components identi-
fied by mark 

0

  or dot-

ted line with mark 

0

 are

critical for safety.
Replace only with part
number specified.

Les composants identifiés
par une marque 

0

 sont cri-

tiques pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.