Pioneer YPM-MG2196ZF Service Manual page 40

YPM-MG2196ZF
- 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 33.
(2) 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)
14,15 Waiting for focus close (FOK = H)
(When AGC has already been conducted)
16,17 Focus CLOSE
Tracking OPEN
18 T.BAL adjustment
19 Tracking CLOSE
1A CLV Servo
1B Process before AGC
1C Focus AGC in progress
1D Tracking AGC in progress
1E Waiting for MIRR, LOCK and sub-code.(normal speed) Off-focus, failure on MIRROR, spindle lock
Carriage close, servo applicable to CLV.
21 Normal/Double speed switching
22 Waiting for MIRR, LOCK and sub-code
Carriage close, servo applicable to CLV.(double speed) unavailable, sub-code unreadable.
* "Setup" denotes a series of operations from establishing the focus up to playing a disc.
40
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
Off-focus
Off-focus
Off-focus
unavailable, sub-code unreadable.
Off-focus
Off-focus,failure on MIRR, spindle lock