Panasonic Crs 1 Service Manual

3.15. Changer Error Code
 
    · 
    The error code summary ofCRS1 changer is as below:
Error CodeOperation
IHMSCam gear rotate to HOME position
ICLSCam gear rotate to Play Driving position to drive playingtray to STOCKposition
ISTKMove tray drive rack to STOCKposition (drivetray to STOCKposition)
IPLYMove tray drive rack to PLAYposition (drivetray to PLAYposition)
ITOPMove UD rack R to front direction (raise UD base to top position)
IUDSAfter TOP-SW detect, UD rack move totray 1position
HOMEAfter...

4 Self diagnosis and special mode setting
This unit is equipped with functions for checking and inspecting namely : Self-Diagnostic and Test Mode.
4.1. Special Mode Table
ItemFL DisplayKey Operation
Mode NameDescriptionFront Key
Self -Diagnostic
ModeTo enter into self
diagnostic checking for
main unit. 1. Select [] for TAPE mode (Ensure no
tape is inserted).
 2. Press and hold [
]button for 3
seconds follow by [].
To exit, press
button on main
unit or remote control.
CD Test ModeTo enter into checking...

ItemFL DisplayKey Operation
Mode NameDescriptionFront Key
Tape Eject TestTo check on the tape
eject function (For deck
1/2)In doctor mode:
 1. Press [PROGRAM] button on remote
control.
4.1.1. CD changer unit ageing test mode
Below is the process flow chart of ageing for the CD changer unit.
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CRS1 

4.2. Error code Table
Self-Diagnosis Function (refer Section 4.1) provides information on any problems occuring for the unit and its respective
components by display ing the error codes. These error code such as U**, H** and F** are stored inmemory and held unless it is
cleared.
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CRS1 

The error code is automaticallydisplay after entering into self-diagnosticmode.
Error CodeDiagnosis ContentsDescription of errorAutomatic FL DisplayRemarks
IHMSCam gear
abnormalityCam gear does not
rotate to “HOME”
position.For CD changer unit (CRS1).
Press [SINGLE CHANGE] on main unit
for next error.
ICSLCam gear/gear units
abnormalCam gear does not
rotate to “PLAY” driving
position and hence does
not drive playing tray to
“STOCK” position.For CD changer unit (CRS1).
Press [SINGLE CHANGE] on main unit...

Error CodeDiagnosis ContentsDescription of errorAutomatic FL DisplayRemarks
LOADTray drive assembly
abnormalTray unit does not move
from “STOCK” to “PLAY”
positionFor CD changer unit (CRS1).
Press [SINGLE CHANGE] on main unit
for next error.
PDRVCam gear/gear
assembly abnormalCam gear does not
move from “HOME” to
“PLAY” drive position.For CD changer unit (CRS1).
Press [SINGLE CHANGE] on main unit
for next error.
UDUUD base asssembly
abnormalUD Base assembly does
not move upwards from
tray 5 to tray 2For...

In CRS1 Self-Diagnostic mode, press [SINGLE CHANGE] todisplay subsequence error code.
It shall repeat after reaching error no. 5.
e.g.:
[1____IHMS]→[SINGLE CHANGE]
[2____ITOP]→[SINGLE CHANGE]
[3____HOME]→[SINGLE CHANGE]
[4____LOAD]→[SINGLE CHANGE]
[5_____UDD]→[SINGLE CHANGE]
 3. To clear the error code memory
In CRS1 Self-Diagnostic mode, long press [SINGLE CHANGE] key (2s ormore)
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CRS1 

5.1. Preparation of service jig
 
    · 
    This unit has a gear which is used for checking items
(open/close of disc tray, up/down operation of traverse unit
by manua lly) when servicing. (For gearinformation, that is
described on the items for disassembly procedures.)
 
    · 
    For preparation of gear (for servicing), perform the
procedures as follows.
 
    · 
    In case of re-servicing the same set, the “gear for servicing”
may be took off because it had been used. So, the “gear for
servicing”...

Step 3: Releas e the top cover from thetray rear stopper
as arrow shown and remove the top cover.
Step 4: Remove the open lever spring.
Step 5: Insert the service gear into the service hole and
rotate the gear anti-clockwise.
Step 6: Press and hold the plunger lever and rotate the
gear clockwise until it stop.
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CRS1 

Step 7: Releas e the plunger lever, rotate the gear clockwise
continuously until it stop at “HOME” position.
Step 8: Install the open lever spring as shown.
Step 9: Install the top cover, fix the top cover hook to the
tray rear stopper as arrow shown.
Step 10: Fix the top cover as arrow shown, the 2 claws
should be latched.
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CRS1