DOWNLOAD Sony CDX-GT620U / CDX-GT627UE / CDX-GT670U / CDX-GT670US Service Manual ↓ Size: 8.04 MB | Pages: 54 in PDF or view online for FREE

Model
CDX-GT620U CDX-GT627UE CDX-GT670U CDX-GT670US
Pages
54
Size
8.04 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
cdx-gt620u-cdx-gt627ue-cdx-gt670u-cdx-gt670us.pdf
Date
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Sony CDX-GT620U / CDX-GT627UE / CDX-GT670U / CDX-GT670US Service Manual ▷ View online

CDX-GT620U/GT627UE/GT670U/GT670US
17
3-10.  OPTICAL  PICK-UP  SECTION
3-11.  OPTICAL  PICK-UP
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.
pan tapping screw
 (M 
1.4 
× 2.5)
leaf spring (sub guide)
leaf spring (OP)
optical pick-up
lead screw assy
Notes for Assembly
Prevent the end of the 
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.
CDX-GT620U/GT627UE/GT670U/GT670US
18
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. 
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 [
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/ALBM+] or 
[1/ALBM–] keys during the number of connected units display 
mode.
4-4.  Operating hours display mode
Reset count display
01
XX
Reset count by watchdog timer display
02
XX
Number of connected units display
03
XXX
Operating hours display
04
XXXX
CD error information display
05
XX
OFFSET/FAILURE error display
06
XXXXX
USB error information display
07
XX
1
1
1
1
01
XX
Reset count
(in hexadecimal format)
Diag code
01: Reset count
Reset count
(in hexadecimal format)
02
XX
Diag cord
02: Number of resets by 
      watchdog timer
1
XXX
Diag code
03: Number of connected unit.
Recency of information
1-3: 1 represents the latest.
Show the number of connected units for 
CD-C,MD-C and XM respectively from
the rightmost (in hexadecimal format).
03
No. of connected units history 1 (latest) display
No. of connected units history 2 display
No. of connected units history 3 display
03
1
XXX
XXX
XXX
03
03
2
3
04
XXXX
Operating hours
(in hexadecimal format)
Diag code
04: Operating hours
CDX-GT620U/GT627UE/GT670U/GT670US
19
4-5.  CD error information display mode
4-5-1.  Error description
4-5-2.  Operating hours
The display mode is switched by each rotation of [2/ALBM+] or 
[1/ALBM–] keys during the CD error information display mode.
4-6.  OFFSET/FAILURE error display mode
The display mode is switched by each rotation of [2/ALBM+] or 
[1/ALBM–] keys during the OFFSET/FAILURE error display 
mode.
4-7.  USB error information display mode
4-7-1.  Error description
05
1
XX
Diag code
05: CD error information
Recency of information
1-3: 1 represents the latest.
Error description
(in hexadecimal
format)
Diag code
05: CD error information
05
1
XXXX
Recency of information
1-3: 1 represets the latest.
Operating hours
05
05
1
XX
1
XXXX
05
05
2
2
XX
XXXX
05
05
3
3
XX
XXXX
CD error info history 1 (latest)
Error description plus error details display
CD error info history 1 (latest)
Operating hours display
CD error info history 2
Error description plus error details display
CD error info history 2
Operating hours display
CD error info history 3
Error description plus error details display
CD error info history 3
Operating hours display
06
1
XXXXX
Operating hours
Error description
(0: OFFSET, 1: FAILURE)
Recency of information
1-3: 1 represets the latest
Diag code
06: OFFSET/FAILURE
06
06
06
1
2
3
XXXXX
XXXXX
XXXXX
OFFSET/FAILURE error history 1 (latest) display
OFFSET/FAILURE error history 2 display
OFFSET/FAILURE error history 3 display
Error description
(in hexadecimal
format)
Recency of information
1-5: 1 represets the latest.
Diag code
07: USB error information
07
1
XX
Error information
Indication
Description
1X
SERVO ERROR
3X
LOADING ERROR
4X
TRACK JUMP
5X
TEXT ERROR
FX
MECHA ERROR
Error information
Indication
Description
15
DEVICE ERROR
17
FILE ERROR 
(NO MUSIC)
1E
POWER ON 
ERROR
1F
BOOT ERROR
3A
INVALID EJECT 
ERROR
43
READ ERROR
44
INVALID 
FORMAT FILE
FA
NOT SUPPORT 
DEVICE
FB
HUB NOT 
SUPPORT
CDX-GT620U/GT627UE/GT670U/GT670US
20
4-7-2.  Disc type and operating hours
The display mode is switched by each rotation of [2/ALBM+] or 
[1/ALBM–] keys during the CD error information display mode.
Operating hours
Recency of information
1-5: 1 represets the latest.
Diag code
07: USB error information
07
1
XXXX
07
07
07
07
07
07
07
07
07
07
5
5
XXXX
XX
XXXX
XXXX
XX
XX
XXXX
XXXX
XX
1
1
2
2
XX
3
3
4
4
USB error info history 5
Disc type plus operating hours display
USB error info history 5
Error description plus error details display
USB error info history 4
Disc type plus operating hours display
USB error info history 4
Error description plus error details display
USB error info history 3
Disc type plus operating hours display
USB error info history 3
Error description plus error details display
USB error info history 2
Disc type plus operating hours display
USB error info history 2
Error description plus error details display
USB error info history 1 (latest)
Disc type plus operating hours display
USB error info history 1 (latest)
Error description plus error details display
Page of 54
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