Sony CDX-GT56UI Service Manual ▷ View online
SERVICE MANUAL
SUPPLEMENT-1
CDX-GT56UI/GT56UIW
9-893-215-81
Ver. 1.3 2012.07
File this supplement with the service manual.
File this supplement with the service manual.
Subject: Change of KEY board (Suffi x-21/-22)
In this unit, the LCD driver IC (IC901) on the KEY board has been changed
in the midway of production.
The following changes are performed by this change.
in the midway of production.
The following changes are performed by this change.
• Change of the KEY board (suffi x-21/-22) (Refer to this supplement-1)
• Change of part No. of the FRONT PANEL OVERALL ASSY
• Change of part No. of the FRONT PANEL OVERALL ASSY
(Refer to page 40 on original service manual)
• Change of part No. of the MAIN board
(Refer to page 39 and 43 on original service manual)
• Change of part for Ref No. IC501 on the MAIN board
(Refer to page 45 on original service manual)
In this unit, KEY board has been changed in the midway of production.
Discrimination, printed wiring board, schematic diagram and electrical
parts list of changed KEY board are described in this supplement-1.
Refer to original service manual for other information.
Discrimination, printed wiring board, schematic diagram and electrical
parts list of changed KEY board are described in this supplement-1.
Refer to original service manual for other information.
Note: When the parts of new front panel and the parts of old main
unit are combined, this unit does not operate normally.
US Model
CDX-GT56UI/GT56UIW
Canadian Model
CDX-GT56UI
CDX-GT56UI/GT56UIW
2
2. DIAGRAMS
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF) 50
• All capacitors are in μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specifi ed.
• f : Internal component.
• C : Panel designation.
• C : Panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• Voltages are dc with respect to ground under no-signal
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal production
tolerances.
• Signal path.
L :
L :
AUX
c :
USB
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
•
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Indication of transistor.
C
B
These are omitted.
E
Q
1. NEW/FORMER DISCRIMINATION
• Distinguish method by part No. printed on the KEY board
Former type : 1-884-821-11
New type
New type
: 1-884-821-21 or
1-884-821-22
– KEY Board (Side A) –
• Distinguish method by LCD driver IC (IC901) on the KEY
board
– KEY Board (Conductor Side) –
IC901
Former type : LC75839
New type
New type
: PT6587-LQ
Three kinds of following distinguish methods exist.
• Distinguish method by serial number printed on the model
number label
Displayed characters/values are example.
– Main unit (Bottom side) –
Model number label
Serial
number
Model
Destination
Former
type
New
type
type
CDX-GT56UI
US and
Canadian
models
1589832
or smaller
1589833
or lager
US model
(for CXS-
(for CXS-
GT5616F)
1591032
or smaller
1591033
or lager
CDX-GT56UIW
US model
1588217
or smaller
1588218
or lager
Ver. 1.3
CDX-GT56UI/GT56UIW
CDX-GT56UI/GT56UIW
3
3
•
: Uses unleaded solder.
2-1. PRINTED WIRING BOARD – KEY Board –
IC901
IC902
1
52
LSW905
LSW906
LSW907
LSW908
LSW909
LSW910
LSW911
LSW912
LCD901
LIQUID CRYSTAL DISPLAY PANEL
LED901
LED932
LED934
LED936
LED938
LED940
LED942
LED944
LED950
LED952
LED954
R903
R920
R921
R946
R952
R954
LED901
(LCD BACK LIGHT)
LED946,S901
Z
LED952,S907
MODE
RE901
PUSH ENTER/SELECT
J901
AUX
AUX
CN902
(USB)
LSW912
LED938,940,942,944
(ILLUMINATION)
PTY/CAT
(GT56UI)
(GT56UI)
LSW911
1
/ALBUM
V
2
/ALBUM
v
LSW910
6
/PAUSE
LSW906
DSPL
/ SCRL
LSW905
LSW909
3
/REP
LSW908
4
/SHUF
LSW907
5
/ZAP
S901
S902
S903
LED936,S903
SEEK +
>
M
LED950,S902
SOURCE
/ OFF
LED932,S904
LED954,S906
LED934,S905
m
.
SEEK -
S904
S905
S906
S907
R970
R980
R982
R984
R990
1
2
19
20
1
16
17
32
33
48
49
64
IFM1
IFM2
IFM3
IFM4
IFM6
FB901
FB902
FB903
R901
R902
R904
R905
R906
R907
R915
R916
R917
R918
R919
CN901
R922
R923
R924
R925
R926
R927
C901
C902
C903
R940
C904
R942
C906
R944
C909
R948
C910
C911
C912
R950
C915
C916
R966
R968
R972
R974
R976
R986
R988
R991
R992
R993
R994
R995
R996
R997
R998
R999
D901
D911
D912
D916
RE901
IC902
CN902
1
4
J901
A
MAIN BOARD
CN102
(Refer to page
21 on original
service manual)
KEY BOARD (SIDE A)
KEY BOARD (SIDE B)
1-884-821-
(21, 22)
21, 22
(21, 22)
21, 22
1-884-821-
PTY
(GT56UIW)
Barcode
Q901
Q905
Q903
R908
R909
R910
R961
R956
R958
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
Note: Refer to the servicing notes “NOTE FOR REPLACEMENT OF
THE USB CONNECTOR (CN902) AND THE AUX JACK (J901)”
on page 3 on original service manual, if replacing CN902 and J901.
on page 3 on original service manual, if replacing CN902 and J901.
Ver. 1.3
CDX-GT56UI/GT56UIW
CDX-GT56UI/GT56UIW
4
4
2-2. SCHEMATIC DIAGRAM – KEY Board –
D
A
9
11
G
C
1
7
2
10
H
13
6
4
B
E
8
5
F
I
3
12
BOARD
(3/5)
CN102
(Refer to page
24 on original
service manual)
24 on original
service manual)
A
MAIN
2.6
5.1
5.1
2.6
0.1
0.1
0.1
0.1
5.1
5.1
5.1
5.2
5.1
2.6
2.6
2.6
2.6
2.6
2.6
2.6
5.2
3.4
1.7
2.6
2.6
2.6
2.6
2.6
2.6
5.2
3.4
1.7
2.6
4.8
0.1
3.3
0.2
4.8
0.1
3.3
0.2
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
5.1
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
(GT56UI)
(GT56UIW)
KEY BOARD
R961
1.5k
RT1N140C-TP-1
Q905
DIMMER
SWITCH
IC902
IC901
1M
R904
C904
0.47
R902
150
R901
150
R903
100
R920
820
R921
1k
R922
1k
R923
1.2k
R924
1.5k
R925
1.8k
2.2k
R926
R991
820
R992
1k
R993
1k
R994
1.2k
R995
1.5k
R996
1.8k
R997
2.2k
R908
120
R909
120
R910
120
R984
150
R919
0
470
R916
470
R917
R980
150
S907
S902
S901
S903
S904
S906
S905
R906
27
R907
27
RT1N140C-TP-1
Q901
FB903
FB901
FB902
J901
VCC
OUT
GND
IC902
PNJ4813M01S0
LSW905
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
LSW906
LSW907
LSW908
LSW909
LSW910
LSW911
LSW912
1k
R998
RKZ6.8B2KGP1
D916
RKZ6.8B2KGP1
D912
RKZ6.8B2KGP1
D91
1
RT6N140C-TP-1
Q903
R944
820
R942
0
0
R905
LED954
LED950
LED952
LED946
LED942
LED944
LED938
LED940
LED934
LED936
LED932
R982
150
R986
150
R988
220
R990
220
R950
1k
R952
1.2k
R946
1k
R948
1.2k
R940
820
R972
1k
R974
1.2k
R966
1k
R968
1.2k
R954
1k
R956
1k
R958
1.2k
1000p
C915
1000p
C916
20P
CN901
1
USB_GND
2
USB_VBUS
3
D-
4
D+
5
GND
6
KEY_GND
7
AUX_L
8
AUX_R
9
AUX_GND
10
RE_0
11
RE_1
12
KEY_1
13
KEY_0
14
SIRCS
15
LCD_DATA
16
LCD_CE
17
LCD_CLK
18
ILL(FP+B)
19
PANEL_SW
20
GND
NESW505DT
-A0-UV
LED901
D902
RKZ5.1B2KGP1
R918
0
0
R999
0
R927
1
2
3
4
2
3
4
4P
CN902
RE901
R970
1k
0
R976
DA2J10100L
D901
470
R915
C910
18p
C909
18p
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
17
18
19
20
21
22
29
28
27
26
25
24
23
28
27
26
25
24
23
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
PT6587-LQ
IC901
DIMMER BACK-LIGHT COLOR1 COLOR2 SEG48 SEG47 SEG46 SEG45 SEG44 SEG43 SEG42 SEG41 SEG40 SEG39 SEG38 SEG37
SEG36
SEG35
SEG34
SEG33
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG1
1
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
COM4
COM3
COM2
COM1
SEG2
VDD
VDD1
VDD2
VSS
SEG52
INH
LCD_CE
LCD_CLK
LCD_DATA
SEG3
COM4
COM3
COM2
COM1
SEG2
VDD
VDD1
VDD2
VSS
SEG52
INH
LCD_CE
LCD_CLK
LCD_DATA
LCD901
1
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
52
24
49
51
3
50
C91
1
18p
C901
0.1
C902
0.1
0.1
C903
C906
0.1
C912
0.1
S[1]
S[2]
COM[1]
COM[2]
COM[3]
COM[4]
S[3]
S[4]
S[5]
S[6]
S[7]
S[8]
S[9]
S[10]
S[1
1]
S[12]
S[13]
S[14]
S[15]
S[16]
S[17]
S[18]
S[19]
S[20]
S[21]
S[22]
S[23]
S[24]
S[25]
S[26]
S[27]
S[28]
S[29]
S[30]
S[31]
S[32]
S[33]
S[34]
S[35]
S[36]
S[22]
S[23]
S[24]
S[25]
S[26]
S[27]
S[28]
S[29]
S[30]
S[31]
S[32]
S[33]
S[34]
S[35]
S[36]
S[1]
S[2]
S[3]
S[4]
S[5]
S[6]
S[7]
S[8]
S[9]
S[10]
S[11]
S[12]
S[13]
S[14]
S[15]
S[16]
S[17]
S[18]
S[19]
S[20]
S[21]
S[22]
S[23]
S[24]
S[25]
S[26]
S[27]
S[28]
S[29]
S[30]
S[31]
S[32]
S[33]
S[34]
S[35]
S[36]
S[37]
S[38]
S[39]
S[40]
S[41]
S[42]
S[43]
S[44]
S[45]
S[46]
S[47]
S[48]
COM[4]
COM[3]
COM[2]
COM[1]
S[48]
S[47]
S[46]
S[45]
S[44]
S[43]
S[42]
S[41]
S[40]
S[39]
S[38]
S[37]
DATA
CE
CLK
CE
CLK
DATA
CLK
DATA
GND-USB
(USB)
D-
D+
VBUS-USB
SEEK+
SEEK-
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
(ILLUMINATION)
LED938,940,942,944
PTY/CAT
SOURCE
/ OFF
/ OFF
SOURCE
MODE
SELECT
PUSH ENTER/
SEEK+
SEEK-
MODE
/ SCRL
DSPL
6/PAUSE
5/ZAP
4/SHUF
3/REP
2/ALBUM
1/ALBUM
LED DRIVE
LCD
BACK LIGHT
DRIVE
(LCD BACK LIGHT)
REMOTE CONTROL
SIGNAL RECEIVER
LCD CONTROL
LIQUID
CRYSTAL
DISPLAY
PANEL
AUX
PTY
Note: Refer to the servicing notes “NOTE FOR REPLACEMENT OF
THE USB CONNECTOR (CN902) AND THE AUX JACK (J901)”
on page 3 on original service manual, if replacing CN902 and J901.
on page 3 on original service manual, if replacing CN902 and J901.
Click on the first or last page to see other CDX-GT56UI service manuals if exist.