DOWNLOAD Panasonic SA-VK870EE / SC-VK870EE Service Manual ↓ Size: 15.76 MB | Pages: 127 in PDF or view online for FREE

The optical pickup self-diagnosis function and tilt adjustment check function have been included in this unit. When repairing, use
the following procedure for effective self-diagnosis and tilt adjustment. Be sure to use the self-diagnosis function before replacing
the optical pickup when “NO DISC” is displayed. As a guideline, you should replace the optical pickup when the value of the laser
drive current is more than the specified value.

Press the power button to turn on the power, and check the value within three minutes before the unit warms up. (Otherwise,
the result will be incorrect.)

"NO DISC" is displayed, unit 
does not play smoothly, etc.

Check the laser drive current.

Replace the traverse unit.  
(Refer to the section "OPTICAL 
PICKUP REPLACEMENT 
PROCEDURE" in this Guide.)

Initialize the main unit.

Value is more than 
37 (DVD), 41 (CD).

Replace with a new optical pickup if the present 
value is more than 37 (DVD), 41 (CD).
Cause: Damage due to static electricity 

during replacement.

Use the optical pickup self-diagnosis function.

Method: With no disc in the main unit:
• Press the "FUNCTIONS" button on the remote 

control unit while pressing the "STOP" 
button on the main unit. (DVD)

• Press the "3" button on the remote 

control unit while pressing the "STOP" 

button on the main unit. (CD)

[Display content (display1/display2)]

LDD

(DVD)

LDC

(CD)

Factory setting

Present value

Factory setting

Present value

/

/

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In self-diagnostic mode, press [1] 
button on main unit. 

To exit, power off the main unit

Press [EXCHANGE] on main unit
for error code.  

FL Display

Key Operation

Front Key

Item

Description

Mode Name

In DVD/CD mode (ensure no disc is 
inserted):
Press and hold [STOP] button for five 
seconds, followed by [    /FF/       ] 
button on the main unit.

To exit, press [     , AC IN] button on 
main unit or remote control unit. 

To enter into self-diagnostic checking 
for CR14 mechanism.

Self-Diagnostic
Mode

To unlock the mechanism unit for 
service.

In this mode, the disassembly of CR14
can be carry out. (Refer to original 
service manual for CR14)

1. All trays are set to "STOCK" position.
2. Mechanism set to tray 1.
3. Cam gear set to "HOME" position.

Service Mode 1

In self-diagnostic mode, press [2] 
button on main unit. 

To exit, power off the main unit

Press [EXCHANGE] on main unit
for error code.  

To unlock the traverse unit for service.

In this mode, traverse unit can be
disassembled. (Refer to original 
service manual for CR14)

1. Tray 5 set to "Play" position.
2. Mechanism set to tray 5.
3. Cam gear set to "HOME" position.

Service Mode 2

/l

(Refer to section 8.6.1. for information)

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FL Display

Key Operation

Front Key

Item

Description

Mode Name

The counter will
increment by one.
When reach 99999
will change to 00000

In this mode, the trays are loaded & 
unloaded.

In self-diagnostic mode, press [1] 
button on remote control. 

To exit, press [      ] button on the 
main unit or remote control unit.

Reliability

1

(Load cycle Test)

To determine open/close operation of the
mechanism (all trays). 

In self-diagnostic mode, press [2] 
button on remote control. 

To exit, press [      ] button on the 
main unit or remote control unit.

Reliability

2

(Traverse Cycle

Test)

To determine playability operation.

In self-diagnostic mode, press [3] 
button on remote control. 

To exit, press [      ] button on the 
main unit or remote control unit.

Reliability

3

(Combi Cycle

Test)

The combine test for both load &
traverse cycle test.

/l

/l

/l

Display 1

Display 2

The counter will
increment by one.
When reach 99999
will change to 00000

Display 1

Display 2

The counter will
increment by one.
When reach 99999
will change to 00000

Display 1

Display 2

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Error 

Code

U702 HDMI/DVI I2C

The communication error of I2C when

Press [     STOP] on main

communication error

connecting it with HDMI/DVI. For

unit for next error.

instance, when EDID information to which

information on the TV set side has been  

described cannot be read, it is generated.  

U703 HDMI/DVI attestation

When attestation (HDCP) with the TV

Press [     STOP] on main

error

side fails when connecting it with  

unit for next error.

HDMI/DVI, it is generated.

U704 HDMI/DVI SRM

It is generated at the equipment to which

Press [     STOP] on main

Riborcerar

the TV set is Riborced when connecting it

unit for next error.

with HDMI/DVI.

U705 HDMI/DVI SRM disk

It is generated at the time of it is time

Press [     STOP] on main

falsification check 

when illegal the SRM data of the  

unit for next error.

error

reproducing disk (verify error), when  

connecting it with HDMI/DVI.

F740 HDMI device key

I2C error when writing HDMI Key device

Press [     STOP] on main

into transmitter. 

unit for next error.

F893 FLASH ROM IC data 

Firmware error, DV5.0 LSI IC (IC8651)

Press [     STOP] on main

falsification error

error.

unit for next error.

F894 EEPROM IC

When failing in the access to EEPROM 

Press [     STOP] on main

abnormality error

IC located in the DVD Module P.C.B. 

unit for next error.

(IC8611).

F895 Language area 

Firmware version agreement check for  

Press [     STOP] on main

abnormal

factory preset setting failure prevention. 

unit for next error.

F897 Initialization 

Incomplete initialization after writing of 

Press [     STOP] on main

error

new firmware (Factory preset setting  

unit for next error.

failure prevention)

F899 The communication

Unsuitable combination of number of  

Press [     STOP] on main

specification 

system com and panel com used.

unit for next error.

disagreement

(Frimware)

between 

micro-processor

Diagnosis Contents

Description of error

Automatic FL Display

Remarks

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