Sony CDX-GT120 / CDX-GT220 / CDX-GT22W Service Manual ▷ View online
13
CDX-GT22W/GT120/GT220
3-10. OPTICAL PICK-UP SECTION
3-11. OPTICAL PICK-UP
1
2
optical pick-up section
Note: Be careful not to touch the lens and hologram
terminal when removing the optical pick-up section.
There is space at the end of the
leaf spring (sub guide) to avoid
contact with the slide.
leaf spring (sub guide) to avoid
contact with the slide.
1
pan tapping screw
(M 1.4
(M 1.4
×
2.5)
2
leaf spring (sub guide)
3
leaf spring (OP)
5
optical pick-up
4
lead screw assy
Notes for Assembly
Prevent the end of the
leaf spring (sub guide) from being
in contact with the OP slide base.
leaf spring (sub guide) from being
in contact with the OP slide base.
Prevent the end of the
leaf spring (sub guide) from being
in contact with the OP slide base.
leaf spring (sub guide) from being
in contact with the OP slide base.
14
CDX-GT22W/GT120/GT220
SECTION 4
DIAGNOSIS FUNCTION
Description of the Diagnostics function:
1. Setting the Diag display mode
With the power off, press the [4] button, [5] button, and [4] button
on the set body or the remote control (for more than 2 seconds)
in turn.
on the set body or the remote control (for more than 2 seconds)
in turn.
2. Canceling the Diag display mode
During the Diag function mode, press the [OFF] button.
3. Initial display in the Diag display mode.
Just when the Diag mode is entered, “reset count” is displayed.
The display mode is switched by each rotation of
The display mode is switched by each rotation of
M
>
/SEEK + or
.
m
/SEEK –
keys.
4. Contents of each display mode
4-1. Reset count display mode
4-2. Reset count by watchdog timer display mode
4-3. Number of connected units display mode
The display mode is switched by each rotation of [2] or [1] keys
during the number of connected units display mode.
during the number of connected units display mode.
4-4. Operating hours display mode
Reset count display
OFFSET/FAILURE error display
CD error information display
Operating hours display
Number of connected units display
Reset count by watchdog timer display
0 1 X X
0 2 X X
0 3 1 X X X
0 4 X X X X
0 5 1 X X
0 6 1 X X X X X
Reset count
(in hexadecimal format)
(in hexadecimal format)
Diag code
01: Reset count
01: Reset count
0 1 X X
Reset count
(in hexadecimal format)
(in hexadecimal format)
Diag code
02: Number of resets by watchdog timer
02: Number of resets by watchdog timer
0 2 X X
Show the number of connected units for
CD-C, MD-C and XM respectively from
the rightmost (in hexadecimal format).
CD-C, MD-C and XM respectively from
the rightmost (in hexadecimal format).
Recency of information
1-3: 1 represents the latest.
1-3: 1 represents the latest.
Diag code
03: Number of connected unit.
03: Number of connected unit.
0 3 1 X X X
No. of connected units history 1 (latest) display
No. of connected units history 3 display
No. of connected units history 2 display
0 3 1 X X X
0 3 2 X X X
0 3 3 X X X
Operating hours
(in hexadecimal format)
(in hexadecimal format)
Diag code
04: Operating hours
04: Operating hours
0 4 X X X X
15
CDX-GT22W/GT120/GT220
4-5. CD error information display mode
4-5-1. Error description
4-5-1. Error description
4-5-2. Disc type and operating hours
The display mode is switched by each rotation of [2] or [1] keys
during the CD error information display mode.
during the CD error information display mode.
4-6. OFFSET/FAILURE error display mode
The display mode is switched by each rotation of [2] or [1] keys
during the OFFSET/FAILURE error display mode.
during the OFFSET/FAILURE error display mode.
Error description
(in hexadecimal
format)
(in hexadecimal
format)
Recency of information
1-3: 1 represents the latest.
1-3: 1 represents the latest.
Diag code
05: CD error information
05: CD error information
0 5 1 X X
Operating hours
Recency of information
1-3: 1 represents the latest.
1-3: 1 represents the latest.
Diag code
05: CD error information
05: CD error information
Disc type
0 5 1 X X X X X
CD error info history 1 (latest)
Error description plus error details display
Error description plus error details display
CD error info history 3
Disc type plus operating hours display
Disc type plus operating hours display
CD error info history 3
Error description plus error details display
Error description plus error details display
CD error info history 2
Disc type plus operating hours display
Disc type plus operating hours display
CD error info history 2
Error description plus error details display
Error description plus error details display
CD error info history 1 (latest)
Disc type plus operating hours display
Disc type plus operating hours display
0 5 1 X X X X X
0 5 2 X X
0 5 2 X X X X X
0 5 3 X X
0 5 3 X X X X X
0 5 1 X X
Operating hours
Recency of information
1-3: 1 represents the latest.
1-3: 1 represents the latest.
Diag code
06: OFFSET/FAILURE
06: OFFSET/FAILURE
Error description
(0: OFFSET, 1: FAILURE)
(0: OFFSET, 1: FAILURE)
0 6 1 X X X X X
OFFSET/FAILURE error history 1 (latest) display
OFFSET/FAILURE error history 3 display
OFFSET/FAILURE error history 2 display
0 6 2 X X X X X
0 6 3 X X X X X
0 6 1 X X X X X
Error information
Indication
Description
1X
SERVO ERROR
3X
LOADING ERROR
4X
TRACK JUMP
5X
TEXT ERROR
FX
MECHA ERROR
Disc type
Indication
Disc type
0
MP3
1
WMA
2
AAC
3
ATRAC
8
CD/DA
F
UNKNOWN
16
CDX-GT22W/GT120/GT220
MEMO
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