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C DIGITAL AB board

B

A

1 pt

H MAIN board section

C CNP510 (5P)

E two screws
 

A CNP920 (5P)

B CNP910 (4P)

D two screws
 

F screw
 

G TEMP-SENSOR board 

TUNER  AM  STEP  CHANGE (9  kHz/10  kHz)  MODE
(Chiliean and Peruvian models only)
The AM tuning interval can be changed over 9 kHz or 10 kHz.
Procedure:
1.  Press the [

?/1

] button to turn on the main power. 

2.  Press [TUNER] repeatedly to select “AM”.
3.  Press [AMP MENU]. 

“1-LEVEL” appears on the display.

4. Press 

[

V/v

] repeatedly to select “4-TUNER”.

5. Press 

[ ] or [

b

] to enter the menu.

6. Press 

[

V/v

] repeatedly to select “AM STEP”.

7. Press 

[ ] or [

b

] to enter the parameter.

8. Press [

V/v

] repeatedly to select the “AM” tuning scale you 

want.

Note
All AM preset stations will be erased when you change the tuning scale.

 
FL  CHECK  MODE
All fl uorescent segments are tested. When this test is activated, all 
segments turn on at the same time, then each segment turns on one 
after another.
Procedure:
1.  When pressing the [MULTI STEREO] and [A.F.D.] buttons, 

press the [

?/1

] button to turn on the main power. 

2.  All segments turn on.

 

k Hz DTS-ES

3.  Turn the [INPUT SELECTOR] dial. 
4.  Test pattern 1 turn on.

 

5.  Turn the [INPUT SELECTOR] dial once again. 
6.  Test pattern 2 turn on.

 

7.  Turn the [INPUT SELECTOR] dial once again. All segments 

turn off. 

8.  Every turning of the [INPUT SELECTOR] dial turns on each 

segment one after another on the same order.

S.F.  CLEAR  MODE
The preset sound fi led is cleared when this mode is activated. Use 
this mode before returning the product to clients upon completion 
of repair.
Procedure:
1.  While pressing the [A.F.D.] button, press the [

?/1

] button to 

turn on the main power. 

2.  The message “S.F CLR.” appears and initialization is per-

formed. 

VERSION  CHECK  MODE
When this mode is used the model, the destination and the software 
version number are displayed.
Procedure:
1.  While pressing the [NIGHT MODE] and [GAME] buttons, press 

the [

?/1

] button to turn on the main power. 

2.  The model, the distination and the software version number 

appear. 

KEY  CHECK  MODE
This mode is used to check the key.
Procedure:
1.  While pressing the [MUSIC] and [MOVIE] buttons, press the 

[

?/1

] button to turn on the main power. 

2.  The message “REST 06” appears.
3.  Every pressing of any button other than the [

?/1

] button counts 

down the buttons. The buttons which are already counted once 
are not counted again.

4.  When all buttons are pressed, the message “REST 00” ap-

pears.

SWAP  ALL MODE
When this mode is used, output the audio signal of front L/R chan-
nel to all channel.
Procedure:
1.  While pressing the [MULTI STEREO] and [MOVIE] buttons, 

press the [

?/1

] button to turn on the main power. 

2.  The message “SWP. ALL” appears.
3.  After a few seconds, “SWAP” appears. (No change while dis-

played.)

SHIPMENT  MODE
All preset contents are cleared when this mode is activated.  Use 
this mode before returning the product to clients upon completion 
of repair.
Procedure:
1.  While pressing the [NIGHT MODE] and [MULTI STEREO] but-

tons, press the [

?/1

] button to turn on the main power. 

2.  The message “CLEARING” appears.

DCAC  FACTORY  TEST  MODE
DCAC Factory Test mode have two stages:
1.  DCAC DSP Data Line Checking 
2.  DCAC board Checking

 

1.  When power off : 
 

While pressing the [GAME] and [MOVIE] buttons, press the 
[

?/1

] button to turn on the main power .

 

“DCAC  FTM” appears.  

 

Afterward, press the [NIGHT MODE] to start DCAC factory 
test mode.

After press the [TUNING MODE] button, DCAC Factory test 
mode will start, below display will show:
 

“DCAC   x” 

x = 1, 2, 3, 4

   If there is error happen, below display will show:

 

“ERR SD0x”  x = 1 

→ D1501 or R1530 problem

 

 

x = 2 

→ D1502 problem 

 

 

x = 3 

→ D1503 problem 

 

 

x = 4 

→ D1504 problem 

Connect front left speaker of the receiver and AUTO CAL 
microphone. Turn [MASTER VOLUME] jog, there will be test 
tone sound output from front left speaker, and the display will 
change accordingly.

 

“AD - xxx” 

xxx = 0 to 255 (depends on loudness of test tone)

When the value reaches more than 222, the test tone will muted 
(for production line checking).  Thus, the AD value will drop to 0. 
To check the AD value again, power off the receiver and re-enter 
the test mode.

VACS  CONTROL  TEST  MODE
The VACS feature of the amplifi er is turned off purposely.
Procedure:
1.  While pressing the [MUSIC] and [A.F.D.] buttons, press the 

[

?/1

] button to turn on the main power.

2.  The message “VACS OFF” appears.

HISTORY MODE
The state that the set is used is memorized.
Procedure:
1.  While depressing the [GAME]  and the [A.F.D.] buttons 

simultaneously, press the [

?/1

] button to turn on the main 

power.

2. “HISTORY” 

appears.

3.  Each time the [

V

] / [

v

] buttons on the remote commander is 

pressed, the item is switched in order as follows.

Items

Protector Count

COUNT XX

Total single power on time

SXXXHXXM

Sound Field

SND FLD

Input function

FUNCTION

Input Mode

INP MODE

Digital Select

DIGI IN

Stream information

STREAM

Signal confi guration

CO XXXXX

Headphone

HP XXX

Volume

VOL XXX

Bass Setting

BASS XXX

Treble Setting

TREB XXX

Front Level Setting

F XXX

Center Level Setting

CT XXX

Surround Left Level Setting

SL XXX

Surround Right Level Setting

SR XXX

Surround Back Level Setting

SB XXX

Subwoofer Level Setting

SW XXX

Total power on time

TXXXHXXM

Muting status

MUTE XXX

Power on counter (Rebox test mode)

P.W. XXX

Protector Type

PRT XXXX

Temperature when protect

TEM XXXC

PROTECTOR AUTO OFF
*

 

To disable auto off after protector occur.

Procedure:
1.  While depressing the [NIGHT MODE] and the [MUSIC] 

buttons simultaneously, press the power [

?/1

] button to turn 

on the main power.

2. “PROTEVER” 

appears.

Procedure:
1.  Turn on the set.
2.  Input the following signal from signal generator to FM 

antenna input directly.

Carrier frequency : A = 87.5 MHz, B = 98 MHz, C = 108 MHz
Deviation 

: 75 kHz

Modulation 

: 1 kHz

ANT input 

: 1 kHz

Note:  Use 75 ohm coaxial cable to connect signal generator and the set. 

You cannot use video cable for checking.

 

Use signal generator whose output impedance is 75 ohm.

3.  Set to FM tuner function and scan the input FM signal with 

automatic scanning.

4. Confi rm that input frequency of A, B and C are detected and 

automatic scanning stops.

When the station signal is received in good condition, automatic 
scanning stops.