Sony CDX-GT240 / CDX-GT242 / CDX-GT247EE Service Manual ▷ View online
CDX-GT240/GT242/GT247EE
CDX-GT240/GT242/GT247EE
17
17
IC B/D
IC B/D
CN701
R151
R152
R155
L1
C6
L7
L8
X1
C8
JC151
JW105
JW104
JC497
C431
C451
C441
C461
R431
R451
R441
R461
R432
R452
R442
R462
R401
C481
C471
R482
R472
R1
R11
C28
R13
R14
R14
R4
R5
C464
C454
C708
FB401
FB402
C409
C408
C17
C16
C13
C9
C12
C5
L6
C1
C19
C20
C21
C22
C23
C24
C24
C25
R12
C27
C26
L151
C154
C155
C157
C452
C462
C465
C455
L2
R2
C18
C404
C405
IC401
C412
C413
R153
R154
C719
J1
Q461
Q451
Q441
Q431
Q481
Q471
R481
R471
C401
R414
R413
R3
FB2
VDR1
FB1
D719
C153
IC1
R6
C152
C151
C406
C407
C709
C707
C706
D153
JC499
C551
R10
D703
D704
J330
• See page 14 for waveform. • See page 22 for IC Block Diagrams.
4-5. SCHEMATIC DIAGRAM – MAIN Section (2/3) –
(Page 16)
(Page 18)
(Page 20)
CDX-GT240/GT242/GT247EE
CDX-GT240/GT242/GT247EE
18
18
R671
R672
R673
R512
R511
C305
C302
R570
X502
R513
R514
R532
R550
R551
R505
R504
R522
R521
R567
R565
R578
R679
R661
R662
R663
R664
R542
R547
JC301
JC303
R530
R501
R500
R756
R301
R302
R509
R503
R502
R533
R519
R539
R543
R675
R676
R677
R526
R575
R529
JC521
FB311
C312
FB308
FB312
C306
FB304
C308
C514
C512
C512
C501
C513
C509
C510
C504
C521
C520
R506
C523
C522
R538
R523
R636
R531
R534
R563
R674
R561
R508
R510
C309
C310
JC302
C343
C301
R528
X501
CNP301
R516
R517
R558
C507
C508
R536
JC533
D512
C502
R535
D510
IC501
R564
R690
FB309
R520
R573
R537
R549
• See page 14 for waveforms. • See page 24 for IC Pin Function Description of IC501.
4-6. SCHEMATIC DIAGRAM – MAIN Section (3/3) –
(Page 16)
(Page 17)
CDX-GT240/GT242/GT247EE
CDX-GT240/GT242/GT247EE
19
19
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
A
MAIN BOARD CN701
1
12
13
24
25
36
37
48
EQ3
SEEK+
SEEK–
LED910,S903
MODE
3/REP
4/SHUF
LSW906
LSW905
LSW904
LSW902
LSW903
GUIDE BUTTON
SOURCE
AF/TA/PTY
2/ALBUM+
1/ALBUM–
LED908,S901
LED919,S902
LED913,918
(GUIDE BUTTON DSPL)
LED923,925
(ILLUMINATION)
LED905,S905
DSPL/SCRL
5
6/PAUSE
LSW908
LSW907
1-880-258-
(11)
11
1-880-258-
(11)
11
PUSH SELECT
(VOLUME)
S909
LED901,S907
AUX
J901
LED911,916
LED903,S904
LED921,S906
SOURCE/OFF
LED927
(CD SLOT)
M >
. m
LED931
(LCD BACK LIGHT)
Z
1
37
J901
LSW902
LSW903
LSW904
LSW905
LSW906
LSW907
LSW908
LED901
LED903
LED905
LED908
LED910
LED911
LED913
LED916
LED918
LED919
LED921
LED923
LED925
LED927
LED931
R914
R947
R949
S901
S902
S903
S904
S905
S906
S907
S909
LCD901
LIQUID CRYSTAL DISPLAY PANEL
ECB
14
2
15
1
D982
D983
D985
D986
D991
D992
D993
Q931
Q932
FB901
FB902
FB903
R900
R901
R902
R903
R904
3
4
5
1
2
R905
R906
R907
R908
R910
R911
R912
R916
R917
R918
R919
CN901
R921
R922
R923
R924
R925
R926
R927
R928
R929
R931
R933
R938
R939
R940
R943
R944
R951
R953
R955
R957
R959
C921
C922
R961
R967
R971
R973
R975
R977
R978
R981
R982
R983
R987
R988
R989
R997
D903
C981
IC903
C983 C984
C986
C987
C997
BCE
•
: Uses unleaded solder.
4-7. PRINTED WIRING BOARD – KEY Section –
(Page 15)
CDX-GT240/GT242/GT247EE
CDX-GT240/GT242/GT247EE
20
20
1
11
B
C
9
12
10
F
3
5
E
8
D
4
6
G
2
7
A
CN701
(2/3)
BOARD
MAIN
A
2.7
2.7
2.7
5.2
3.4
1.8
2.7
2.7
5.2
3.4
1.8
3.8
4.7
0.3
3.2
3.1
4.7
0.3
3.2
3.1
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
5.2
5.2
0.1
5.2
0.1
5.1
*
1
*
1
*
1
*
1
*
1
*
7
*
2
*
8
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
4
*
1
*
9
*
1
*
5
*
3
*
8
*
5
*
4
*
4
*
1
(GT240)
(GT242/GT247EE)
(GT242/GT247EE)
*
2
(GT242/GT247EE)
(GT240)
(GT240)
(GT242/GT247EE)
*
3
(GT240)
(GT242/GT247EE)
*
4
(GT240)
(GT242/GT247EE)
*
5
(GT240)
(GT242/GT247EE)
*
6
(GT240)
(GT242/GT247EE)
*
7
(GT240)
*
6
*
4
*
4
*
4
(GT240)
(GT242/GT247EE)
*
8
(GT240)
(GT242/GT247EE)
*
9
(GT240)
(GT242/GT247EE)
*
10
*
10
KEY BOARD
IC903
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
15P
CN901
D_GND
KEY_GND
AUX-L
AUX-R
AUX-GND
RE-0
RE-1
KEY-1
KEY-0
SIRCS
LCD-DATA
LCD-CE
LCD-CLK
ILL+B
PANEL
100
R916
100
R917
100
R918
R925 1k
R926 1k
0.1
C984
0.1
C983
0.1
C981
0.47
C986
1M
R928
MA2J1
110GLS0
D982
MAZ8051GMLS0
D983
R927 1k
150
R923
150
R924
C922
1000p
C921
1000p
1.2k
R904
820
R901
1k
R902
1k
R903
0
R922
0
R921
820
R905
1k
R906
MAZ8068GMLS0
D986
MAZ8068GMLS0
D985
MAZ8068GMLS0
D991
MAZ8068GMLS0
D992
MAZ8068GMLS0
D993
MAZ8180GMLS0
D903
R931
1.2k
NESW505CT
-AST
LED931
(LCD BACKLIGHT)
180
R938
180
R939
220
R940
LED921
LED919
LED91
1
LED913
LED903
LED905
R947
R949
120
R951
R953
120
R955
120
R957
R959
100
R961
R967
120
R971
R977
R981
LED923
LED925
R982
R983
R978
R975
R973
120
1000p
C997
39k
R929
1000p
C987
1
7
8
9
10
11
12
5
6
14
19 18 17
13
16
20
15
23
24
27
21
28
26 25
22
31
33
35
30
32
36
34
29
2
3
4
37
LCD901
LIQUID CRYSTAL DISPLAY PANEL
R987
RT1N436C-TP-1
Q932
LCD BACKLIGHT SWITCH
R933
0
1k
R907
3.3k
R919
2.2k
R912
3.9k
R914
1.8k
R911
1.2k
R908
1.5k
R910
LED901
R988
120
R989
R997
LED927
0
FB902
0
FB901
0
FB903
RT1N140C-TP-1
Q931
DIMMER SWITCH
LED908
LED910
LED918
LED916
R943
R944
S907
S903
S902
S901
S906
S905
S904
S909
1 2 3 4 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
38
39
40
41
42
43
44
45
46
47
48
LC75836WH-US-E
IC903
DISPLAY CONTROL
BACK-LIGHT/RED,AMBER
DIMMER/GREEN
VDD
VDD1
VDD2
VSS
OSC
INH
CE
CL
DI
VDD1
VDD2
VSS
OSC
INH
CE
CL
DI
J901
LSW902
3
1
2
4
5
6
LSW903
3
1
2
4
5
6
LSW904
3
1
2
4
5
6
LSW905
3
1
2
4
5
6
LSW906
3
1
2
4
5
6
LSW907
3
1
2
4
5
6
LSW908
3
1
2
4
5
6
R900
0
CE
CLK
DATA
CLK
DATA
S3
COM3
COM4
COM4
COM2
COM1
S4
S5
S6
S7
S8
S9
S10
S1
1
S12
S13
S14
S15
S16
S17
S18
S15
S16
S17
S18
S2
S1
S1
S26
S27
S28
S29
S30
S27
S28
S29
S30
DATA
COM1
COM2
COM3
COM4
S33
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S1
1
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
S19
S20
S21
S22
S23
S24
S25
S33
S32
S31
CE
CLK
AUX
SOURCE/OFF
EQ3
DSPL/SCRL
PUSH SELECT
(VOLUME)
SEEK+
SEEK-
MODE
DSPL
SOURCE
(GUIDE BUTTON DSPL)
LED913,918
(GUIDE BUTTON SOURCE)
LED911,916
EQ3
MODE
(ILLUMINATION)
LED923,925
AF/TA/PTY
1/ALBUM-
2/ALBUM+
3/REP
4/SHUF
5
6/PAUSE
LED901,903,905,908,910
911,913,916,918,919,921
923,925,927
SML-310VTT86TJ
SML-310PTT86TK
R943
150
180
R944
911,913,916,918,919,921
923,925,927
SML-310VTT86TJ
SML-310PTT86TK
R943
150
180
R944
180
120
R947,951,957,971,987,989
220
150
R977,981
120
150
R961
220
180
R982
270
120
R975,978
120
220
R983
150
270
R997
100
150
120
220
R983
150
270
R997
100
150
4-8. SCHEMATIC DIAGRAM – KEY Section –
(Page 17)
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