DOWNLOAD Sony CDX-GT81UW / CDX-GT860U Service Manual ↓ Size: 6.34 MB | Pages: 55 in PDF or view online for FREE

Model
CDX-GT81UW CDX-GT860U
Pages
55
Size
6.34 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
cdx-gt81uw-cdx-gt860u.pdf
Date

Sony CDX-GT81UW / CDX-GT860U Service Manual ▷ View online

4
CDX-GT81UW/GT860U
TABLE OF CONTENTS
1.
SERVICE NOTE
........................................................
5
2.
GENERAL
Location of Controls ........................................................
6
Connections .....................................................................
7
3.
DISASSEMBLY
3-1.
Base Panel Assy ............................................................... 12
3-2.
Sub Panel Assy ................................................................ 12
3-3.
CD Mechanism Block ..................................................... 13
3-4.
Driving Section (DB-F07) ............................................... 13
3-5.
Main Board ...................................................................... 14
3-6.
Servo Board ..................................................................... 14
3-7.
Chassis (T) Sub Assy ....................................................... 15
3-8.
Roller Arm Assy .............................................................. 15
3-9.
Chassis (OP) Assy ........................................................... 16
4.
DIAGNOSIS FUNCTION
........................................ 17
5.
DIAGRAMS
5-1.
Block Diagram –Main Section– ...................................... 21
5-2.
Block Diagram –Display Section– .................................. 22
5-3.
Printed Wiring Boards –Main Section– ........................... 24
5-4.
Schematic Diagram –Main Section (1/4)– ...................... 26
5-5.
Schematic Diagram –Main Section (2/4)– ...................... 27
5-6.
Schematic Diagram –Main Section (3/4)– ...................... 28
5-7.
Schematic Diagram –Main Section (4/4)– ...................... 29
5-8.
Printed Wiring Boards –Display Section– ....................... 30
5-9.
Printed Wiring Board –Base Panel Section– ................... 31
5-10. Schematic Diagram –Display Section– ........................... 32
6.
EXPLODED VIEWS
6-1.
Main Section .................................................................... 42
6-2.
Main Board Section ......................................................... 43
6-3.
Front Panel Section ......................................................... 44
6-4.
CD Mechanism Section (MG-101U-188//Q) .................. 45
7.
ELECTRICAL PARTS LIST
.................................. 46
Ver. 1.1
5
CDX-GT81UW/GT860U
SECTION 1
SERVICE NOTE
SERVO BOARD
CN2
MAIN BOARD
CNP301
J-2502-076-1
EXTENSION CABLE AND SERVICE POSITION
When repairing or servicing this set, connect the jig (extension cable)
as shown below.
• Connect the MAIN board (CNP301) and the SERVO board (CN2)
with the extension cable (Part No. J-2502-076-1).
NOTE FOR THE OPENING OF THE FRONT PANEL
In this set, the front panel is lowered to below the bottom face when
it is opened.
When servicing the set, place it on a stand having a height of about
2 cm.
NOTE FOR REPLACEMENT OF THE SERVO BOARD
When repairing, the complete SERVO board (A-1177-357-A) should
be replaced since any parts in the SERVO board cannot be repaired.
stand
NOTE FOR REPLACEMENT OF THE USB CONNECTOR
(CN903)
To replace the USB connector requires alignment.
1. Insert the USB connector into the front panel.
2. Place the DISPLAY board on the front panel and align the
terminals of the USB connector with the holes in the DISPLAY
board.
3. Solder the four terminals of the connector.
DISPLAY board 
front panel
USB (socket) connector
6
CDX-GT81UW/GT860U
SECTION 2
GENERAL
This section is extracted
from instruction manual.
• LOCATION OF CONTROLS
• CDX-GT81UW
• CDX-GT860U
6
Location of controls and basic operations
Main unit
Card remote commander 
RM-X152
Refer to the pages listed for details. The 
corresponding buttons on the card remote 
commander control the same functions as those 
on the unit.
A
SEEK +/– control
CD/MD*
1
/USB*
2
:
To skip tracks (press up/down); skip tracks 
continuously (press up/down, then press up/
down again within about 1 second and hold); 
reverse/fast-forward a track (press up/down 
and hold).
Radio:
To tune in stations automatically (press up/
down); find a station manually (press up/
down and hold).
B
MODE button  8, 10, 13
To select the radio band (FM/AM); select the 
SAT tuner band (mode)*
3
; select the unit*
4
select the play mode*
5
.
C
Volume control dial
To adjust volume.
SOUND button
To enter sound setting.
ENTER button
To apply a menu setting.
D
Receptor for the card remote 
commander
E
MENU button
To enter menu.
F
IMAGE button
To select the display image.
Movie mode 1-3 t Spectrum analyzer 
mode 1-5 t Wall paper mode 1-3 t 
normal play/reception mode
G
RESET button 
(Location behind the front 
panel)
  4
H
Disc slot  5
To insert the disc.
I
Display window
J Z 
(eject)/ANGLE button  5
To eject the disc/slide down the front panel 
(press); angle the front panel in 3 positions 
(press and hold).
MODE
MENU
LIST
DSPL
SCRL
OFF
AUX
REP
SHUF
PAUSE
BBE MP
GP/ALBM
IMAGE
SOURCE
SEEK
SEEK
PUSH SOUND / ENTER
ANGLE
1
2
3
4
5
6
CDX-GT81UW
1
2
3
7
8
9
q;
qs qd
qg
qh
qj qk
ql
5
4
6
qa
qf
OFF
DSPL
REP
SHUF
MENU
SCRL
SOURCE
SOUND
MODE
PAUSE
1
3
2
4
6
5
ATT
VOL
+
+
ENTER
LIST/
CAT
qd
5
wf
qk
2
wa
w;
qg
wd
ws
wj
wh
wg
qj
7
K
USB terminal  9
L
 (front panel release) button  5
M
SOURCE button
To power on; change the source (Radio/CD/
MD*
1
/USB/AUX/SAT*
3
).
N
LIST button  9, 10, 13
To list up.
O
DSPL (display) button  8, 9
To change display items.
P
Number buttons
CD/MD*
1
/USB*
2
:
(1): 
REP  8, 10, 13
(2): 
SHUF  8, 10, 13
(3)/(4): 
GP
*
6
/ALBM
*
7
 –/+
To skip albums (press); skip albums 
continuously (press and hold).*
8
(5): 
BBE MP
*
9
  2
(6): 
PAUSE
*
9
To pause playback. To cancel, press 
again.
Radio:
To receive stored stations (press); store 
stations (press and hold).
Q
SCRL (scroll) button  8, 9
To scroll the display item.
R
OFF button
To power off; stop the source.
S
AUX input jack  12
To connect a portable audio device.
The following buttons on the card remote 
commander have also different buttons/functions 
from the unit. Remove the insulation film before 
use (page 4).
w;
ENTER button 
To complete a setting.
wa <
/
,
 (SEEK –/+) buttons
CD/MD*
1
/USB*
2
:
To skip tracks (press); skip tracks 
continuously (press, then press again within 
about 1 second and hold); fast-forward/
reverse a track (press and hold).
Radio:
To tune in stations automatically (press); find 
a station manually (press and hold).
ws
VOL (volume) +/– button
To adjust volume.
wd
ATT (attenuate) button
To attenuate the sound. To cancel, press 
again.
wf
SOUND button
To enter sound setting.
wg
LIST/CAT
*
2
 button  9, 10, 13
To list up.
wh M
/
m
 (+/–) buttons
To select preset stations/skip groups (press); 
skip groups continuously (press and hold).
wj
Number buttons
CD/MD*
1
/USB*
2
:
(1): 
REP  8, 10, 13
(2): 
SHUF  8, 10, 13
(6): 
PAUSE
*
9
To pause playback. To cancel, press 
again.
Radio:
To receive stored stations (press); store 
stations (press and hold).
*1
MD changer is connected.
*2
When a USB device is connected.
*3
When the SAT tuner is connected.
*4
When a CD/MD changer is connected.
*5
When an ATRAC Audio Device is connected.
*6
When an ATRAC is played.
*7
When an MP3/WMA/AAC is played.
*8
If the changer is connected, the operation is 
different, see page 13.
*9
When playing back on this unit and a USB device.
Notes
When ejecting/inserting a disc, keep any USB 
devices disconnected to avoid damage to the disc.
If the unit is turned off and the display disappears, it 
cannot be operated with the card remote 
commander unless 
(SOURCE)
 on the unit is 
pressed, or a disc is inserted to activate the unit first.
Tip
For details on how to replace the battery, see 
“Replacing the lithium battery of the card remote 
commander” on page 16.
About USB cap
When not using the USB terminal (
K
), use the 
supplied USB cap to prevent dust or dirt entering.
Keep the USB cap out of the reach of children to 
prevent accidental swallowing.
6
Location of controls and basic operations
Main unit
Card remote commander 
RM-X156
Refer to the pages listed for details. The 
corresponding buttons on the card remote 
commander control the same functions as those 
on the unit.
A
SEEK +/– control
CD/MD*
1
/USB*
2
:
To skip tracks (press up/down); skip tracks 
continuously (press up/down, then press up/
down again within about 1 second and hold); 
reverse/fast-forward a track (press up/down 
and hold).
Radio:
To tune in stations automatically (press up/
down); find a station manually (press up/
down and hold).
B
MODE button  8, 10, 13
To select the radio band (FM/AM); select the 
unit*
3
; select the play mode*
4
.
C
Volume control dial
To adjust volume.
SOUND button
To enter sound setting.
ENTER button
To apply a menu setting.
D
Receptor for the card remote 
commander
E
MENU button
To enter menu.
F
IMAGE button
To select the display image.
Movie mode 1-3 t Spectrum analyzer 
mode 1-5 t Wall paper mode 1-3 t 
normal play/reception mode
MODE
MENU
DSPL
SCRL
OFF
REP
SHUF
PAUSE
BBE MP
GP/ALBM
LIST
IMAGE
SOURCE
SEEK
SEEK
PUSH SOUND / ENTER
ANGLE
1
2
3
4
5
6
AUX
CDX-GT860U
1
2
3
5
4
6 7
8
9
q;
qa
qs qd
qfqg
qj
qk ql
w;
qh
OFF
DSPL
REP
SHUF
MENU
SCRL
SOURCE
SOUND
MODE
PAUSE
1
3
2
4
6
5
ATT
VOL
+
+
ENTER
LIST
qd
qf
5
wg
ql
2
ws
wa
qg
wf
wd
wj
qk
wh
7
G
RESET button 
(Location behind the front 
panel)
  4
H
Disc slot  5
To insert the disc.
I
Display window
J Z 
(eject)/ANGLE button  5
To eject the disc/slide down the front panel 
(press); angle the front panel in 3 positions 
(press and hold).
K
USB terminal  9
L
 (front panel release) button  5
M
SOURCE button
To power on; change the source (Radio/CD/
MD*
1
/USB/AUX).
N
LIST button  9, 10, 13
To list up.
O
DSPL (display) button  8, 9
To change display items.
P
Frequency select switch
 (located on the 
bottom of the unit)
See “Frequency select switch” in the 
supplied installation/connections manual.
Q
Number buttons
CD/MD*
1
/USB*
2
:
(1): 
REP  8, 10, 13
(2): 
SHUF  8, 10, 13
(3)/(4): 
GP
*
5
/ALBM
*
6
 –/+
To skip albums (press); skip albums 
continuously (press and hold).*
7
(5): 
BBE MP
*
8
  2
(6): 
PAUSE
*
8
To pause playback. To cancel, press 
again.
Radio:
To receive stored stations (press); store 
stations (press and hold).
R
SCRL (scroll) button  8, 9
To scroll the display item.
S
OFF button
To power off; stop the source.
T
AUX input jack  12
To connect a portable audio device.
The following buttons on the card remote 
commander have also different buttons/functions 
from the unit. Remove the insulation film before 
use (page 4).
wa
ENTER button 
To complete a setting.
ws <
/
,
 (SEEK –/+) buttons
CD:
To skip tracks (press); skip tracks 
continuously (press, then press again within 
about 1 second and hold); fast-forward/
reverse a track (press and hold).
Radio:
To tune in stations automatically (press); find 
a station manually (press and hold).
wd
VOL (volume) +/– button
To adjust volume.
wf
ATT (attenuate) button
To attenuate the sound. To cancel, press 
again.
wg
SOUND button
To enter sound setting.
wh M
/
m
 (+/–) buttons
To select preset stations/skip groups (press); 
skip groups continuously (press and hold).
wj
Number buttons
CD/MD*
1
/USB*
2
:
(1): 
REP  8, 10, 13
(2): 
SHUF  8, 10, 13
(6): 
PAUSE
*
8
To pause playback. To cancel, press 
again.
Radio:
To receive stored stations (press); store 
stations (press and hold).
*1
When an MD changer is connected.
*2
When a USB device is connected.
*3
When a CD/MD changer is connected.
*4
When an ATRAC Audio Device is connected.
*5
When an ATRAC is played.
*6
When an MP3/WMA/AAC is played. 
*7
If the changer is connected, the operation is 
different, see page 13.
*8
When playing back on this unit and a USB device.
Notes
When ejecting/inserting a disc, keep any USB 
devices disconnected to avoid damage to the disc.
If the unit is turned off and the display disappears, it 
cannot be operated with the card remote 
commander unless 
(SOURCE)
 on the unit is 
pressed, or a disc is inserted to activate the unit first.
Tip
For details on how to replace the battery, see 
“Replacing the lithium battery of the card remote 
commander” on page 16.
About USB cap
When not using the USB terminal (
K
), use the 
supplied USB cap to prevent dust or dirt entering.
Keep the USB cap out of the reach of children to 
prevent accidental swallowing.
7
CDX-GT81UW/GT860U
• CONNECTIONS
• CDX-GT81UW
A
B
AUDIO OUT
FRONT
AUDIO OUT
REAR
SUB OUT (MONO)
BUS AUDIO IN
BUS CONTROL IN
BUS AUDIO IN
BUS CONTROL IN
Source selector
*
Selector de fuente
*
XA-C40
*
 not supplied
no suministrado
Ejemplo de conexiones  
Notas (
2
-A)
Asegúrese de conectar primero el cable de conexión a masa 
antes de realizar la conexión del amplifi cador.
La alarma sonará únicamente si se utiliza el amplifi cador 
incorporado.
Sugerencia (
2
-B- )
Si desea conectar dos o más cambiadores de CD/MD, 
necesitará el selector de fuente XA-C40 (no suministrado).
Connection example  
Notes (
2
-A)
Be sure to connect the ground (earth) lead before connecting 
the amplifi er.
The alarm will only sound if the built-in amplifi er is used.
Tip (
2
-B- )
For connecting two or more CD/MD changers, the source 
selector XA-C40 (not supplied) is necessary.
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Sony CDX-GT81UW / CDX-GT860U Service Manual ▷ Download

  • DOWNLOAD Sony CDX-GT81UW / CDX-GT860U Service Manual ↓ Size: 6.34 MB | Pages: 55 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sony CDX-GT81UW / CDX-GT860U in PDF for free, which will help you to disassemble, recover, fix and repair Sony CDX-GT81UW / CDX-GT860U Car Audio. Information contained in Sony CDX-GT81UW / CDX-GT860U Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.