Pioneer CDX-PD6 Service Manual page 52

CDX-PD6
- New Test Mode
Principally, discs are played normally in this test mode.
When the test mode has been turned on, it will indicate when (in absolute time) and why an error occurred. Errors
include off-focus, spindle lock disengagement, unavailability of sub-code reading and sound skipping.
While the test mode setup is taking place, operational status (Internal RAM: CPOINT) of the CD control software is
displayed.
(1) Turning On the New Test Mode
Refer to the Test Mode Flowchart on page 49.
(2) Cause-of-Error (Error No.) Codes
Error code Category
40 Electric system
41 Electric system
42 Electric system
43 Electric system
* The error codes are displayed in the same manner as in the normal mode.
(3) Display of Operational Status During Setup
Status No. Contents
01 Carriage returning to home position
02 Carriage moving to inner perimeter
03 Carriage moving to outer perimeter
05 Carriage outer perimeter feed (1 second) taking place None
11 Setup started
12 Spindle rotation
Focus search started
13 Waiting for focus close (XSL = L)
10 Waiting for focus close (FOK = H)
(When AGC has not been conducted)
14 Waiting for focus close (FOK = H)
(When AGC has already been conducted)
15,16,17 Focus CLOSE
Tracking OPEN
18 Focus AGC in progress
19 Tracking AGC in progress
20 Waiting for MIRR, LOCK and sub-code.
Carriage close, servo applicable to CLV.
* "Setup" denotes a series of operations from establishing the focus up to playing a disc.
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Troubles Description/Cause(s)
Off-focus FOK = LOW has continued for 100 msec. or more.
→ Due to scratches, stains, vibrations, servo failure, etc.
Spindle lock LOCK = LOW has continued for 100 msec. or more.
→ Due to scratches, stains, vibrations, servo failure, etc.
disengagement
Unavailability of Sub-code was unreadable for 500 msec.
→ Due to scratches, stains, vibrations, servo failure, etc.
sub-code reading
Sound skipping Last address memory has been activated.
→ Due to scratches, stains, vibrations, servo failure, etc.
Protective Action
None
10-second time-out, failure on home switch.
10-second time-out, failure on home switch.
None
None
Focus close not available
Improper focus close
Improper focus close
Off-focus
Off-focus
Off-focus
Off-focus, failure on MIRROR, spindle lock
unavailable, sub-code unreadable.