Sony CDX-GT40U / CDX-GT40UW / CDX-GT42UE / CDX-GT44U / CDX-GT45U / CDX-GT47UE Service Manual ▷ View online
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
21
21
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM – MAIN Section –
R-CH
R-CH
R-CH
R-CH
R-CH
8 AUX_LCH
10 AUX_RCH
MC_RX
22
MC_TX
24
WAKE_UP
40
Z_MUTE
42
CD_ON
38
CDM_ON
39
RESET
12
SYSRST
20
FW_RXD
VBUS_ON
BU+3.3V
51
FW_TXD
32
FW_CLK
31
CNVSS
33
9
FW_BUSY
34
VOUT
1
VDD 2
D731
5 TU_LCH
9 AUX_GND
ELECTRONIC VOLUME
IC401
DIGITAL SIGNAL PROCESSOR
IC701
J1
(ANTENNA)
TU901
TUNER UNIT
CD
MECHANISM
DECK BLOCK
(MG-101CA-188)
I2C BUS CONTROLLED
POWER AMP/MULTIPLE
VOLTAGE REGULATOR
IC301
SYSTEM CONTROL
IC501 (1/2)
RESET
IC403
CN301
7 TU_RCH
33 AU_IN_FL
AU_IN_FR
AU_IN_RL
AU_IN_RR
AU_IN_SUB
AU_OUT_LCH
AU_OUT_RCH
AU_IN_RL
AU_IN_RR
AU_IN_SUB
AU_OUT_LCH
AU_OUT_RCH
31
34
R-CH
30
32
R-CH
27
HIT2_SDA
SDA
SCL
RSTN
47
SA_DATA
89
SA_CLK
90
HIT2_SCL
48
HIT2_RESET
49
R-CH (FRONT)
R-CH (REAR)
R-CH (REAR)
BATT
R-CH
57
DA03(F_L_CH)
DA02(F_R_CH)
DA04(R_L_CH)
DA01(R_R_CH)
DA05(SUB_CH)
ADIN1(IN_L_CH)
ADIN2(IN_R_CH)
RF_ANT_IN
3
4
4
5
6
7
1
AUDIO_OUT_L
AUDIO_OUT_R
AUDIO_OUT_R
RSTN
SCL
SDA
18 FPI1
54
59
59
R-CH
R-CH
R-CH
52
61
70
74
61
70
74
95
SP_DATA
96
SP_CLK
66
XI
67
XO
J901
AUX
X701
16.934MHz
5
3
3
OUT-FL+
OUT-FL–
OUT-FL–
9
7
7
OUT-RL+
OUT-RL–
OUT-RL–
R-CH
ANT-REM
35
VP
BATT
20
VP1
6
VP2
30
AUDIO+B
31
33
33
SERVO+3.3V
MECHA+6V
34
PANEL+B
R-CH
35
37
37
AU_OUT_FR
AU_OUT_RR
R-CH
40
AU_OUT_SL
39
AU_OUT_SR
4 I2C_SCL
AUDIO+8.5V
SERVO+3.3V
MECHA+6V
PANEL+B
SERVO+3.3V
MECHA+6V
PANEL+B
2 I2C_SDA
16 BEEP
22 STB
25 DIAG
22 STB
25 DIAG
7
10
12
11
16
1
9
9
2
4
3
6
22
23
23
I2C_SCL
I2C_SDA
I2C_SCL
I2C_SDA
I2C_SCL
I2C_SDA
I2C_SCL
I2C_SDA
I2C_SDA
29
I2C_SCL
30
I2C_SDA
58
ATT
28
BEEP
60
AMPSTB
59
DIAG
12 IN-FL
FL+
FL–
FL–
L
R
RL+
RL–
RL–
FR+
FR–
RR+
RR–
FR–
RR+
RR–
ANT-REM
BATT
ACC
36
AU_OUT_FL
11 IN-RL
38
AU_OUT_RL
MUTE
Q406
LD DRIVE
Q710
MUTE DRIVE
Q407,409
57
ACC_IN
ACC DETECT
Q301
BU+3.3V REG
IC402
MUTE
Q404
29
AMP-REM
5
AMP-REM
REAR/SUB
D401
D403
FU601
37
BU+B
B.U+5V
J401
-1
-2
AUDIO
OUT
MUTE
Q402
BU+3.3V
5
4
BU3.3V
6
3
FLASH_W
BUSY
7
CLK
2
RESET
TXD
4
1
5
RXD
CN501
FLASH
PROGRAMMING
BU+3.3V
B.U+5V
BATT
19
BU_IN
OVER
VOLTAGE
CHECK
Q802
LOW
VOLTAGE
CHECK
Q801
BACKUP
VOLTAGE
CHECK
Q803
28
26
24
28
28
20
22
22
C
B
A
E
SL
SP
SP
F
PD
FOCUS
TRACK
FOCUS
TRACK
CN700
15 FNI2
16 FNI1
17 FPI2
21 TNI
20 TPI
16 FNI1
17 FPI2
21 TNI
20 TPI
12
6
4
3
6
4
3
24 MDI
LD
10
25 LDO
31 FO0
32 TRO
34 FMO
32 TRO
34 FMO
1
35 DMO
82
CCE
85
RST
81
BUCK/SCL
79
BUS2/SO
80
BUS3/SI
94
ZDET
55
TXD
CD
DEC
CD SERVO,
USB CONTROL
IC601 (1/2)
56
RXD
8
WAKEUP
54
ZMUTE
53
CDON
52
MECON
3
RESET
74
VBUS_ON
51
A_ATT
12
BU_IN
DRV_ON
LOAD
EJECT
L_SW
IN_SW
LOAD
EJECT
L_SW
IN_SW
7
9
11
13
9
11
13
35 DRV_ON
36 MEC_LOAD
37 MEC_EJECT
39 MEC_LIMIT
36 MEC_LOAD
37 MEC_EJECT
39 MEC_LIMIT
15
40 MEC_INSW
D_SW
SELF
SELF
17
5
5
DRV_6V
DRV_6V
MECHA+6V
25
27
41 MEC_DSW
25 MEC_SELFSW
25 MEC_SELFSW
88
89
90
91
BSIF_BCK
92
BSIF_LRCK
BSIF_GATE
BSIF_DATA
DEC_REQ
BSIF_REQ
93
DEC_XMUTE
37
SRAM STB
XCCE
XRST
SCLK
SI
SO
ZDET
BCK
LRCK
GATE
DATA
INT
REQ
XMUTE
SSTBY
87
29
28
24
23
22
15
21
20
19
18
17
16
38
27
D806
D805
SLJQDO PDWK
R-CH LV RPLWWHG GXH WR VDPH DV L-CH.
AM RU MW
: CD
: FM
: BUS AUDIO
Note: CN501 has been deleted in the midway of production.
Ver. 1.4
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
22
22
4-2. BLOCK DIAGRAM – DISPLAY Section –
X502
32.768kHz
10
11
94
1
2
2
100
95
SYSTEM CONTROL
IC501 (2/2)
LCD CONTROL
IC901
KEYIN1
CLK LCD
CE
CE
LCD_SO
LCD_CLK
LCD_CE
KEYIN0
92 KEYACK1
82 RE-IN0
RE0
RE1
RE1
81 RE-IN1
XOUT
XIN
X501
7.92MHz
15
13 OSCOUT
3 NOSE_SW
OSCIN
63
64
62
BACK-LIGHT 2
COLOR 1 3
COM4
I
COM1
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
5
|
50
55
60
51
|
54
SEG48
I
SEG1
DATA
PANEL+B
KEY MATRIX
LSW905–912,
S901–907
PUSH ENTER/SELECT
RE901
ROTARY
ENCODER
DIMMER 1
4 SIRCS
REMOTE
CONTROL
SIGNAL
RECEIVER
IC902
Q901
LCD BACK LIGHT
DRIVE
Q903
LED
DRIVE
LED932,934,936,938,
940,942,944,946,
950,952,954
LSW905 (1/2)–LSW912 (1/2)
LED901
(LCD BACK LIGHT)
3
26
SYNC_OUT
BATT
52
FLT_USB
50
EN_USB
USB VBUS POWER SUPPLY
IC1300
12 EN_USB
9 FLT_USB
53
EN_SYS
4 EN_SYS
8 SYN/EN
3 VIN
5
USB_OUT
1
CD SERVO,USB CONTROL
IC601(2/2)
3
2
2
VBUS
D+
D–
D–
2
CN601
3
4
4
SYS_RST
SWDIO
SWCLK
4
CN902
(USB)
18 RC_IN1
91 KEYACK0
97 RC_IN0
J801
(REMOTE IN)
SLJQDO PDWK
: USB
+1.5V REG
IC681
+1.5V REG
IC682
5 VDD
+1.5V
1
CE
4
OUT
BU+3.3V
5 VDD
+1.5V(VDDM)
4
OUT
USB+ 85
USB- 86
RESET 3
SWCLK 62
SWDIO 61
X1
80
X601
12MHz
X2
82
CPON
72
CDON_15V
73
(VOLUME)
DIMMER
SWITCH
Q905
(NHZ W\SH)
Ver. 1.4
Note 1: Refer to “ABOUT CHANGE OF THE LCD DRIVER IC (IC901)
ON THE KEY BOARD” on page 7 for how to distinguish New type.
Note 2: CN601 has been deleted in the midway of production.
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
23
23
• Waveforms
– MAIN Board –
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 and waveforms are dc with respect to ground
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
(
)
:
AM
<
> : CD PLAY
*
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J :
J :
CD
F :
FM
f :
AM
L :
AUX
c :
USB
g : BUS AUDIO
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• a :
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• a :
Through
hole.
•
: 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.
Note:
The components identi-
fi
The components identi-
fi
ed by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specifi ed.
cal for safety.
Replace only with part
number specifi ed.
Note:
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une pièce portant le nu-
méro spécifi é.
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une pièce portant le nu-
méro spécifi é.
• Indication of transistor.
C
B
These are omitted.
E
Q
• Abbreviation
AR :
AR :
Argentina
model
CND : Canadian model
IND
IND
: Indian model
KR
: Korean model
MX
: Mexican model
RU
: Russian model
• Abbreviation
AR :
AR :
Argentina
model
CND : Canadian model
EA
EA
: Saudi Arabia model
IND
: Indian model
KR
: Korean model
MX
: Mexican model
RU
: Russian model
0.9 Vp-p
32.768 kHz
1.2 Vp-p
7.92 MHz
0.5 V/DIV, 20 ȝsec/DIV
0.5 V/DIV, 50 nsec/DIV
1
IC501
qa (XOUT)
2
IC501
qd (OSCOUT)
0.7 Vp-p
12 MHz
0.5 V/DIV, 50 nsec/DIV
3
IC601
i; (X1)
2.3 Vp-p
16.934 MHz
1 V/DIV, 50 msec/DIV
4
IC701
yj (XO)
Ver. 1.2
Note: When the complete MAIN board is replaced, the destination
setting is necessary. Refer to “NOTE THE MAIN BOARD OR
SYSTEM CONTROLLER (IC501) REPLACING” on page 5.
SYSTEM CONTROLLER (IC501) REPLACING” on page 5.
Note: When the complete MAIN board is replaced, the destination
setting is necessary. Refer to “NOTE THE MAIN BOARD OR
SYSTEM CONTROLLER (IC501) REPLACING” on page 5.
SYSTEM CONTROLLER (IC501) REPLACING” on page 5.
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
24
24
4-3. PRINTED WIRING BOARD – MAIN Section (1/2) (Except Saudi Arabia Model) –
•
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
IC1300
IC601
IC701
IC403
IC681 IC682
IC501
IC401
9
16
8
1
5
1
B E
21
20
40
1
1
100
76
75
26
25
50
51
1
8
Barcode
1
100
80
81
50
51
30
31
76
75
50
51
1
100
26
25
R400
R401
R402
R403
R404
C1310
R405
C1311
R406
C1312
R407
C1315
R409
C1316
C1317
R600
FB610
R601
FB61
1
R602
FB612
R603
R410
R41
1
R605
R606
R607
D1300
R1300
R1302
R613
R614
R421
R1305
R615
R422
R616
R423
R1307
R617
R424
R1308
R618
R619
R429
CN601
R814
R1310
R620
R131
1
R621
R1312 R1313
R623
R818
R430
R819
R1315
R432
C203
R433
R629
R820
C401
C403
R636
R637
R638
C409
R639
C601
R833
C410
C411
C605
C606
R642
C413
C607
C414
C608
R644
C415
C609
R645
C416
R646
R647
R648
C419
R649
X601
C612
C610
C613
C420
C614
C615
C422
C616
R652
C617
R653
R656
C424
R654
C425
R655
C426
IFM601
R661
R667
R668
R669
R864
TP718
R865
TP719
R671
R672
TP333
R673
TP334
R674
R675
R676
TP720
TP721
TP722
TP723
TP724
FB694
FB695
R685
FB696
C457
R688
FB698
Q301
R689
TP732
TP733
TP734
TP735
TP736
TP737
TP738
R690
D401
TP739
R692
R693
D403
R695
R697
TP740
TP741
TP742
TP743
D805
D806
Q710
MAIN BOARD (SIDE A)
C683
C685
C686
C687
C688
C689
C690
IFM680
R102
FB501
R300
R301
R302
R303
R304
R305
R306
R307
R308
R309
R1
16
R501
R311
R312
R313
R314
R121
R122
R510
R511
R513
FB717
R514
FB718
R515
FB719
R516
R517
R518
R710
FB720
CN501
R71
1
FB721
R712
FB722
FB724
R714
R521
R715
R522
R716
R523
R717
R524
R718
R525
R719
R527
R529
R720
R721
R722
R723
R724
R531
R725
R726
C303
R533
R727
R534
R728
R340
R535
R729
R536
C308
R538
C309
R539
L1301
CL003
CL004
R730
R731
C502
R732
R733
C504
R541
C312
R542
R736
C507
C313
R543
R737
C508
C314
R544
R738
R10
C315
R739
R546
C317
R547
R548
C319
R549
C510
FB750
R740
X501
FB751
R741
C512
R742
C513
R743
C514
R744
C321
R745
R552
R746
C323
R553
R747
C518
R748
R555
R749
R556
C326
R557
IFM501
X701
C711
C712
C713
C520
C714
R750
C521
C715
R751
C522
FB762
C523
C717
C330
R560
C718
R561
C331
C719
R562
R563
IFM701
R565
R566
R567
C720
R569
C721
C722
R378
C724
C725
R761
C726
C727
R763
R570
C728
R764
R571
C729
R572
R573
R574
R576
R577
C730
C732
C733
FB398
C734
C735
FB782
C737
C738
S8
C739
R584
C741
C742
C743
TP633
C744
TP634
C745
TP635
C746
C747
C748
Q401
Q402
Q403
Q404
C750
Q405
C751
Q406
C752
Q407
C753
C754
Q409
C756
C759
C761
C764
Q801 Q802
C766
Q803
C767
C768
D321
D323
C771
C772
C776
C777
C778
C779
C398
IFM50
C782
C783 C784
D530
C786
C787
C788
C789
IFM60
D731
C792
TP682
C11
IFM70
C15
C1301
C1304
C1305
C1306
C1307
C1308
C1309
1-884-818-
11, 21, 22
16 20
1
2
3
4
1
3
4
5
1
3
4
5
C100
L1300
Ver. 1.4
Note 2: When IC501 is replaced, the destination setting is necessary. Refer
to “NOTE THE MAIN BOARD OR SYSTEM CONTROLLER
(IC501) REPLACING” on page 5.
(IC501) REPLACING” on page 5.
Note 1: Refer to SUPPLEMENT-1 for print-
ed wiring board of the MAIN board
(Saudi Arabia model).
(Saudi Arabia model).
Note 4: C741, C743, C745, CN501 and CN601 have
been deleted in the midway of production.
Note 3: IC501 has been changed in the midway of production. When
IC501 is replaced, be sure to refer to “ABOUT CHANGE OF THE
LCD DRIVER IC (IC901) ON THE KEY BOARD” on page 7.
LCD DRIVER IC (IC901) ON THE KEY BOARD” on page 7.
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