69
FH-MG6406ZH
-
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 63.
(2) Cause-of-Error (Error No.) Codes
Error code
Category
Troubles
Description/Cause(s)
E1
Electric system
Off-focus
FOK = LOW has continued for 100 msec. or more.
→
Due to scratches, stains, vibrations, servo failure, etc.
E1
Electric system
Spindle lock
LOCK = LOW has continued for 100 msec. or more.
disengagement
→
Due to scratches, stains, vibrations, servo failure, etc.
E1
Electric system
Unavailability of
Sub-code was unreadable for 500 msec.
sub-code reading
→
Due to scratches, stains, vibrations, servo failure, etc.
E1
Electric system
Sound skipping
Last address memory has been activated.
→
Due to scratches, stains, vibrations, servo failure, etc.
* The error codes are displayed in the same manner as in the normal mode.
(3) Display of Operational Status During Setup
Status No. Contents
Protective Action
01
Carriage returning to home position
None
02
Carriage moving to inner perimeter
10-second time-out, failure on home switch.
03
Carriage moving to outer perimeter
10-second time-out, failure on home switch.
05
Carriage outer perimeter feed (1 second) taking place None
11
Setup started
None
12
Spindle rotation
None
Focus search started
13
Waiting for focus close (XSL = L)
Focus close not available
10
Waiting for focus close (FOK = H)
Improper focus close
(When AGC has not been conducted)
14
Waiting for focus close (FOK = H)
Improper focus close
(When AGC has already been conducted)
15,16,17
Focus CLOSE
Off-focus
Tracking OPEN
18
Focus AGC in progress
Off-focus
19
Tracking AGC in progress
Off-focus
20
Waiting for MIRR, LOCK and sub-code.
Off-focus, failure on MIRROR, spindle lock
Carriage close, servo applicable to CLV.
unavailable, sub-code unreadable.
* "Setup" denotes a series of operations from establishing the focus up to playing a disc.
Содержание FH-MG6406ZH Q1
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Страница 6: ...6 FH MG6406ZH 2 2 CD MECHANISM ...
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Страница 10: ...10 FH MG6406ZH 2 4 CASSETTE MECHANISM MODULE ...
Страница 21: ...21 FH MG6406ZH 5 6 7 8 A B C D 5 6 7 8 FM M FM FM FM FM FM AM AM FM AM FM AM PNS FM IF B ...
Страница 33: ...C CN901 N CN251 G CN701 33 FH MG6406ZH 5 6 7 8 A B C D 5 6 7 8 A SIDE A FRONT ...
Страница 34: ...34 FH MG6406ZH A 1 2 3 4 B C D 1 2 3 4 ...
Страница 35: ...35 FH MG6406ZH 5 6 7 8 A B C D 5 6 7 8 A SIDE B ...
Страница 37: ...37 FH MG6406ZH 1 2 3 4 A B C D 1 2 3 4 B FM AM TUNER UNIT SIDE B B ...
Страница 39: ...A CN601 39 FH MG6406ZH 1 2 3 4 A B C D 1 2 3 4 C SIDE B KEYBOARD UNIT C ...
Страница 41: ...41 FH MG6406ZH 1 2 3 4 A B C D 1 2 3 4 CD CORE UNIT SERVO UNIT D SIDE B D IC Q ...
Страница 43: ...43 FH MG6406ZH 1 2 3 4 A B C D 1 2 3 4 CD CORE UNIT STS UNIT G SIDE B G ...
Страница 45: ...45 FH MG6406ZH 1 2 3 4 A B C D 1 2 3 4 4 7 PCB UNIT E PCB UNIT E I SIDE A SIDE B I PCB UNIT E I ...
Страница 46: ...46 FH MG6406ZH A 1 2 3 4 B C D 1 2 3 4 4 8 MOTOR PCB B SPINDLE MOTOR M5 MOTOR PCB B E E ...
Страница 47: ...47 FH MG6406ZH 5 6 7 8 A B C D 5 6 7 8 M M4 CARRIAGE 1 12 D CN301 E ...
Страница 49: ...49 FH MG6406ZH 1 2 3 4 A B C D 1 2 3 4 4 1 D883 S885 MAX DETECT Q881 I 4 11 PCB UNIT C PCB UNIT C J J ...
Страница 65: ...65 FH MG6406ZH Grating waveform Ech Xch 20mV div AC Fch Ych 20mV div AC 45 0 75 60 30 90 ...