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8.  Press the [0] button on the remote commander to return to the 

top menu of Remocon Diagnosis Menu.

9.  Press the [

?

/

1

] button to turn off the system.

4.  CHECKING  EMERGENCY  HISTORY
To check the emergency history, please follow the following pro-
cedure.
Procedure:
1.   From the top menu of Remocon Diagnosis Menu, select “3. 

Emergency History” by pressing the [3] button on the remote 
commander. The following screen appears on the on-screen 
display.

 

Emg. History Check

Laser Hours     CD    999h  59min

                DVD   999h  59min

01. 01 05 04 04      00 92 46 00

    00 00 00 00      00 00 23 45

02. 02 02 01 01      00 A9 4B 00

    00 00 00 00      00 00 23 45

[Next]Next page [Prev]Prev page

[0]Return to Top Menu

2.  You can check the total time when the laser is turned on during 

playback of DVD and CD from the above menu. The maxi-
mum time, which can be displayed are 999h 59min.

3.  You can check the error code of latest 10 emergency history 

from the above menu. To view the previous or next page of 
emergency history, press the [

l

] or [

L

] button on the re-

mote commander. The error code consists of three kinds of er-
ror codes. 

 

Example of Error code

01. 01 05 04 04      00 92 46 00

    00 00 00 00      00 00 23 45

The meaning of error code is as below:
01: Communication error (No reply from syscon)
02: Syscon hung up
03: Power OFF request when syscon hung up
19: Thermal shutdown
24: MoveSledHome error
25: Mechanical move error (5 changer)
26: Mechanical move stack error
30: DC motor adjustment error
31: DPD offset adjustment error
32: TE balance adjustment error
33. TE sensor adjustment error
34. TE loop gain adjustment error
35. FE loop gain adjustment error
36. Bad jitter after adjustment
40. Focus NG
42. Focus layer jump NG
51: Spindle stop error
52. Open kick spindle error
60: Focus on error
61: Seek fail error
62: Read Q data/ID error
70: Lead in data read fail
71: TOC read time out (CD)

80: Can’t buffering
81: Unknown media type

B. Parameter of error code
This is the detail of error code. 

 

Example of Error code

01. 01 05 04 04      00 92 46 00

    00 00 00 00      00 00 23 45

C. Time of error code
This is the laser time when an error occurred.

 

Example of Error code

01. 01 05 04 04      00 92 46 00

    00 00 00 00      00 00 23 45

To Clear the Laser Hour
Press the [  DISPLAY] button on the remote commander and then 
press the [CLEAR] button on the remote commander. The data for 
both CD and DVD data are reset.

 

Emg. History Check

Laser Hours     CD      0h   0min

                DVD     0h   0min

01. 01 05 04 04      00 92 46 00

    00 00 00 00      00 00 23 45

02. 02 02 01 01      00 A9 4B 00

    00 00 00 00      00 00 23 45

[Next]Next page [Prev]Prev page

[0]Return to Top Menu

To Clear the Emergency History
Press the [DVD TOP MENU] button on the remote commander 
and then press the [CLEAR] button on the remote commander. The 
error code for all emergency history would be reset.

 

Emg. History Check

Laser Hours     CD    999h  59min

                DVD   999h  59min

01. 00 00 00 00      00 00 00 00

    00 00 00 00      00 00 00 00

02. 00 00 00 00      00 00 00 00

    00 00 00 00      00 00 00 00

[Next]Next page [Prev]Prev page

[0]Return to Top Menu

To Execute the Initialize Setup Data
Procedure:
1.  Press the [DVD MENU] button on the remote commander and 

then press the [CLEAR] button on the remote commander. The 
following screen appears on the on-screen display.

Emg. History Check

Laser Hours     CD    999h  59min

                DVD   999h  59min

Initialize setup data...

[Next]Next page [Prev]Prev page

[0]Return to Top Menu

2.  The screen after a while returns to former display.

To Return to the Top Menu of  Remocon Diagnosis Menu
Press the [0] button on the remote commander.

5.  CHECKING  VERSION  INFORMATION
To check the version information, please follow the following pro-
cedure.
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.

 

Version information

Firm(Main): Ver. X.XXXX

Firm(Sub): XX.XX

RISC: XXXXXX

8032: XXXXXX

Audio DSP: XX.XX.XX.XX

Servo DSP: XX.XX.XX.XX

[0]Return to Top Menu

2.  To return to the top menu of Remocon Diagnosis Menu, press 

the [0] on the remote commander.

When the base unit is replaced, perform the adjustment and the 
measurement as shown below in this order.

EXECUTING IOP MEASUREMENT (See page 23)

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 

: 35 dBu (EMF)

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 tune A, B and C signals.
4. Confi rm “TUNED” is lit on the display for A, B and C sig-

nals.

When the selected station signal is received in good condition, 
“TUNED” is displayed.

HCD-HDX678WF/HDX975WF

OPTICAL PICK-UP

BLOCK

FOCUS/TRACKING COIL DRIVE,

SPINDLE/SLED MOTOR DRIVE

IC1201

AUTOMATIC POWER

CONTROL (FOR CD)

Q1102-1

RF

VOA/A

VOB/B

VOC/C
VOD/D

VOE/E+G

VOF/F+H

VC

LD (780)

AUTOMATIC POWER

CONTROL (FOR DVD)

Q1102-2

LD (650)

CD ON

SWITCH

Q1101-1

DVD ON
SWITCH
Q1101-2

VR (780)

VR (650)

FCS+

MSW

PD

LIMIT

Q1103

SD-RAM

IC1104

X1101

27MHz

FCS–

TRK+

TRK–

SL+

SL–

SP+

SP–

ABCK

82 – 86, 89

 29, 31, 33, 35,

91, 63, 64, 75, 87

45, 25 – 18, 8 – 1,

44, 45, 47, 48, 50, 51, 53

121 – 119, 117 – 113,

140, 141, 143, 144,

29 – 34, 22, 35

26

28

11

12

• SIGNAL PATH

: CD/DVD PLAY
: AUDIO

: VIDEO

RF+3.3V

REGO2
REGO1

ALRCK

ACLK

ASDATA2

ASDATA1

ASDATA0

VIDEO AMP, 75

 ohm DRIVER

IC404

KHM-310CAB

or

KHM-313CAB

J404

COMPONENT

VIDEO OUT

Y

P

B

/C

B

P

R

/C

R

J402 (1/2)

SAT/CABLE

VIDEO IN

FLASH ROM

IC1102

EEPROM

IC1103

SPDIF

AUDIO_BUS

HDMI_BUS

XRST

DMPORT_VIDEO

V_SEL2

TX0P

TX0N

TX1P

TX1N

TX2P

TX2N

TCKP

TCKN

HPD

SDA

SCL

HCD-HDX678WF/HDX975WF

TX0P

TX0N

TX1P

TX1N

TX2P

TX2N

TCKP

TCKN

7

TMDS DATA0 +

HDMI OUT

9

TMDS DATA0 –

4

TMDS DATA1 +

6

TMDS DATA1 –

1

TMDS DATA2 +

3

TMDS DATA2 –

10

TMDS CLOCK +

12

TMDS CLOCK –

16

SDA

15

SCL

18

+5V POWER

19

HPD

HPD

CN1701

5

RXD

6

TXD

7

DET

13

Lch

14

Rch

R-CH

17

VIDEO

CN204

DMPORT

LEVEL SHIFT

Q1701

13

CEC

SW+9V

SDA

SCL

HDMI BUS

DMPORT_VIDEO

DMPORT_L

XRST

CHANGER CONTROL

IC650

LD/ST MOTOR DRIVER

IC701

M761

(LD/ST MOTOR)

(ST U/D)

ROTARY

ENCODER

S781

M

BU U/D MOTOR DRIVER

IC711

M762

(BU U/D MOTOR)

M

S761 (SUB TRAY OUT)

S731 (SUB TRAY IN)

S721 (MAIN TRAY IN/OUT)

IN

OPEN

CHANGER CONTROL,

AUDIO/VIDEO CONTROL

IC651

DISC SENSOR

Q751

9 – 12

(MD)

ROTARY

ENCODER

S771

5 – 8

SYSTEM

CONTROLLER

IC501 (2/6)

• SIGNAL PATH

: AUDIO

: VIDEO

• R-CH is omitted due to same as L-CH.

CEC DATA

SWITCH

Q9724, 9726,

Q9728, 9729

A_SEL0
A_SEL1

A_SEL2
A_SEL3

A_SEL4
A_SEL5

DSP_RST

SACD_SEL
DIR_RST

V_SEL2

A_SEL