Sony CDX-GT575UE / CDX-GT575UI / CDX-GT575UP / CDX-GT625UI / CDX-GT627UV Service Manual ▷ View online
CDX-GT575UE/GT575UI/GT575UP/GT625UI/GT627UV
CDX-GT575UE/GT575UI/GT575UP/GT625UI/GT627UV
21
21
4-3. BLOCK DIAGRAM - PANEL, POWER SUPPLY Section -
SUB SYSTEM
CONTROLLER
IC601 (2/2)
MAIN SYSTEM CONTROLLER
IC501 (3/3)
ACC
13
AMP_REM
9
15 VCC
B/U B+
REGULATOR
IC301 (2/2)
CN301 (2/2)
AUDIO+B (8.5V)
30
VP2 6
+8.5V
AMP-REM 29
SERVO-3.3V
31
PANEL+B
34
BU+B
37
BU +3.3V
VP1 20
BU +5V
MECHA-6V
33
+3.3V
REGULATOR
IC402
ACCESSORY
DETECT
Q301
ACC_IN 55
VP 35
ILL
11
DIMMER
DETECT
DETECT
Q302
ILL_IN 27
IC701 VDD +1.5V
IC601 +1.2V
IC701 VDDM +1.5V
+1.5V
REGULATOR
IC682
ILL +B
DR +6V
VDD +3.3V
USB1_ON 116
USB1_OVR 115
EN_SYS 51
BUIN 17
SYNC_OUT 24
USB_VBUS
DSP_1_5V 65
VIN 3
2 LX
USB_IN 7
5 USB_OUT
DC/DC CONVERTER
IC1300
SYNC
8
EN_SYS
4
EN_USB
12
FL
T_USB
9
D805, 806
BATTERY
CHECK
Q801 - 803
NOSE_SW
1
S951 - 957,
S959 - 966,
S959 - 966,
RE901 (1/2)
(FRONT PANEL KEY)
RC_IN1
19
RC_IN0
95
J801
REMOTE IN
(VOLUME)
80 RE-IN0
79 RE-IN1
79 RE-IN1
ROTARY
ENCODER
RE901 (2/2)
89 KEY_ACK0
90 KEY_ACK1
92 KEYIN1
93 KEYIN0
OSCOUT
OSCIN
X501
7.92MHz
X502
32.768kHz
XOUT
XIN
11
13
9
8
SIRCS
2
REMOTE CONTROL
RECEIVER
IC902
LIQUID CRYSTAL
DISPLAY DRIVER
DISPLAY DRIVER
IC901
LCD_DATA 64
LCD_CLK 63
LCD_CE 62
LED DRIVE
Q906 – 908
Q906 – 908
LIQUID CRYSTAL
DISPLAY PANEL
LCD901
LED903
(KEY ILLUMINATION)
LED902
(RING ILLUMINATION)
G
2
B
3
LED DRIVE
Q900 – 902
Q900 – 902
LED DRIVE
Q903 – 905
Q903 – 905
R
1
LED900
(LCD BACK LIGHT)
LCD_CE
28
LCD_CLK
29
LCD_DO
26
S [1] – S [49]
SEG1 – SEG49
49
COM [1] – COM [4]
COM1 – COM4
4
+1.5V
REGULATOR
IC681
IC601 +3.3V
+1.2V
REGULATOR
IC703
GHOST_3_3V 67
+3.3V
REGULATOR
IC603
17
17
CN901
CN102
CDX-GT575UE/GT575UI/GT575UP/GT625UI/GT627UV
CDX-GT575UE/GT575UI/GT575UP/GT625UI/GT627UV
22
22
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.
• Power voltages is dc 14.4V and fed with regulated dc
• Power voltages is dc 14.4V and fed with regulated dc
power supply from ACC and BATT cords.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM)
< > : CD PLAY
< > : CD PLAY
*
: Impossible to measure
• Voltages are taken with 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.
F :
F :
AUDIO
f :
TUNER
J :
CD
d :
USB
h :
SIRIUS/XM
E :
AUX
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not 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
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
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.
• Waveforms
– MAIN Board –
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 4.
SYSTEM CONTROLLER (IC501) REPLACING” on page 4.
Note: When the complete MAIN board replaced, the destination set-
ting is necessary. Refer to “NOTE THE MAIN BOARD OR
SYSTEM CONTROLLER (IC501) REPLACING” on page 4.
SYSTEM CONTROLLER (IC501) REPLACING” on page 4.
1
IC1300
1 (BST)
5 V/DIV, 1
Ps/DIV
2.46
Ps
18.2 Vp-p
3
IC501
qa (OSCOUT)
1 V/DIV, 50 ns/DIV
126.5 ns
3.6 Vp-p
2
IC501
9 (XOUT)
1 V/DIV, 20
Ps/DIV
30.4
Ps
2.6 Vp-p
4
IC701
yj (XO)
1 V/DIV, 20 ns/DIV
59 ns
3.7 Vp-p
5
IC601
<zc/ (XO)
500 mV/DIV, 50 ns/DIV
83 ns
1.1 Vp-p
• Abbreviation
EA
EA
: Saudi Arabia model
Ver. 1.1
CDX-GT575UE/GT575UI/GT575UP/GT625UI/GT627UV
CDX-GT575UE/GT575UI/GT575UP/GT625UI/GT627UV
23
23
4-4. SCHEMATIC DIAGRAM - MAIN Section (1/5) -
• See page 32 for IC Block Diagrams.
BOARD
(4/5)
MAIN
2
(3/5)
BOARD
MAIN
3
MAIN
(2/5)
1
BOARD
IC B/D
IC B/D
MAIN
(5/5)
BOARD
9
5
14.3
14.4
10.3
6
0 <3.3>
8.4
13.8
3.3
4.9
3.3
4.9
14.4
4.9
4.9
3.7
3.7
3.7
3.7
3.7
3.7
4.9
4.9
14.4
4.9
3.3
4.9
3.3
5
0
6.9
0
3.3
5
0
5
0
0.6
6.9
0
5
0
5
3.3
0
0
3.3
3.3
0
3.3
5
0.22
C301
47k
R312
4.7k
R314
0.22
C308
150
R307
1
C306
22
R429
R818
220k
1k
R820
47k
R313
R316
100k
R315
22k
100
R301
100
R302
J801
RKZ18B2KGP1
D806
47k
R309
47p
C326
RKZ18B2KGP1
D323
D307
RKZ18B2KGP1
16V
47
C313
R308
0
BU_3.3V
DR_6V
BU_GND
VDD_3.3V
GN1G
D324
GN1G
D318
GN1G
D321
D306
GN1G
R317
4.7k
C329
4.7
50V
10V
C307
220
25V
47
C416
R874
1k
100k
R834
12k
R872
0.1
C830
100k
R831
2.2k
R870
R873
0
1k
R875
12k
R871
C876
1000p
0
R300
C831
0.1
R340
0
TDF8556AJ/N5
IC301
1
TA
B
2
I2C_SDA
3
OUT
-FL–
4
I2C_SCL
5
OUT
-FL+
6
VP2
7
OUT
-RL–
8
P-GND1
9
OUT
-RL+
10
SVR
11
IN-RL
12
IN-FL
13
S-GND
14
IN-FR
15
IN-RR
16
BEEP
17
OUT
-RR+
18
P-GND3
19
OUT
-RR–
20
VP1
21
OUT
-FR+
22
STB
23
OUT
-FR–
24
P-GND4
25
DIAG
26
RST
27
ANT
-REM
28
CRES
29
AMP-REM
30
AUDIO+B(8.5V)
31
SER
VO-3.3V
32
GND
33
MECHA-6V
34
PA
N
E
L+
B
35
VP
36
CBU
37
BU+B
0
R322
R819
1k
RKZ7.5B2KGP1
D805
2.2
C314
C877
100p
1000p
C323
6.3V
C309
220
6.3V
C403
220
C399
1
0
R400
0
R396
IC830
74LVC1G17GW-125
1
NC
2
3
GND
4
5
VCC
FB398
MM1836A33NRE
IC402
1
CONT
2
GND
3
NC
4
VOUT
5
VIN
39k
R830
DA2J10100L
D401
D308
DA2J10100L
FB801
FB802
FB803
JL009
JL010
16V
4700
C334
JL012
JL013
RKZ18B2KGP1
D831
RKZ18B2KGP1
D832
D820
RKZ18B2KGP1
1
C305
1
C327
1
C302
0.47
C315
0.47
C317
0.47
C319
0.47
C321
0.47
C331
0.47
C330
C398 0.001
0.1
C335
0.1
C407
36V
F3
2A
C878
100p
R856
100
R857
100
R855
100
1
C402
CN802
10P
10
9
8
7
6
5
4
3
2
1
16V
220
C387
C401
0.1
140uH
L301
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
16P
CN301
RR+
RL+
RR–
RL–
FR+
FL+
FR–
FL–
AMP_REM
ILL
ACC
TELL_ATT
VCC
GND
C320
10
16V
470
C411
JL014
2.2uH
L395
R387
0
JL503
JL504
JL015
JL016
R306 220
R303
220
R305
220
R304
220
LTC014EUBFS8TL
Q802
LTC044EUBFS8TL
Q801
LSCR523UBFS8TL
Q301
Q302
LSCR523UBFS8TL
LSCR523UBFS8TL
Q803
R323
1k
1k
R325
R324
1k
1k
R326
47p
C364
47p
C365
47p
C366
47p
C367
C303
10
22
R836
IC831
TC7WH126FK(T5RSOYF
1
2
3
4
GND
5
6
7
8
VCC
0
R837
C802
1000p
C801
1000p
10k
R311
10k
R378
47p
C355
47p
C356
47p
C354
47p
C353
47p
C352
47p
C351
47p
C1327
47p
C359
C311
47p
47p
C358
47p
C324
JL505
JL506
47p
C357
FB306
FB314
FB891
0
R899
DR_GND
FB890
A_GND
D_GND
ILL_IN
BEEP
STB
DIAG
XM_TX
I2C_SCL
I2C_SDA
RESET
ACC
XM_LCH
XM_PWREN
RCIN1
RCIN0
XM_RCH
XM_RX
D830
RKZ18B2KGP1
IC301
POWER AMP, REGULATOR
IC830
BUFFER
IC831
BUFFER
MAIN BOARD (1/5)
1
2
4
5
6
7
8
9
10
3
11
13
12
14
15
16
+3.3V REGULATOR
IC402
8
RR+
REAR RCH (+)
4
FL–
10
RR–
4
8
FL+
11
RL+
REAR RCH (–)
5
6
6
FU1
3
TO
CN301
ATT
CN301
(GT575UE/GT575UI)
12
13
FR-
ACC
REM OUT
11
BATT
6
10A
3
GND
14
7
REM OUT MAX0.4A
5
4
ACC
7
PW1
GND
16
RL–
15
FRONT RCH (–)
4
32V
8
1
1
6
FR+
7
FRONT LCH (+)
15
3
RR-
FRONT RCH (+)
REAR LCH (+)
BATT
BATT
RL–
7
9
2
9
(GT575UP/GT625UI/GT627UV)
16
2
1
5
FL-
2
FL+
13
RR+
REAR LCH (–)
FR+
14
GND
3
12
5
FR-
8
ACC
2
10
1
AMT REM
TO
RL+
PW1
FRONT LCH (–)
ILL
ILL
ILL
(CHASSIS)
BK301
IN
REMOTE
Q801 - 803
BATTERY CHECK
IN
SIRIUSXM
R833
100k (GT575UE/GT575UI/GT625UI/GT627UV)
68k (GT575UP)
ACCESSORY DETECT
DIMMER DETECT
(GT575UI)
I
6
H
15
1
C
12
K
13
5
F
16
8
2
B
D
G
11
10
E
17
J
9
A
4
3
7
14
(GT575UP)
(Page 27)
(Page 24)
(Page 25)
(Page
26)
Ver. 1.1
CDX-GT575UE/GT575UI/GT575UP/GT625UI/GT627UV
CDX-GT575UE/GT575UI/GT575UP/GT625UI/GT627UV
24
24
4-5. SCHEMATIC DIAGRAM - MAIN Section (2/5) -
(3/5)
BOARD
4
MAIN
BOARD
1
(1/5)
MAIN
(4/5)
BOARD
5
MAIN
KEY
CN901
BOARD
A
IC B/D
8
(5/5)
BOARD
MAIN
13.8
0
0
0
0
4.2
8.4
4.2
3.3
3.3
8.4
0
4.2
4.2
3.3
2.5
2.3
8.4
0
0
0
13.8
13.8
4.2
4.2
4.2
4.2
0
0
0
0
0
0
0
4.2
4.2
4.2
4.2
4.2
4.2
4.2
4.2
4.2
4.2
4.2
4.2
4.2
4.2
4.2
4.2
4.2
40
39
38
37
36
35
34
7
6
5
4
3
2
1
33
32
30
31
8
27
28
29
9
10
11
12
13
14
24
17
25
26
23
22
21
20
19
18
15
16
BD3467FV-E2
IC401
BUS_LCH
BUS_RCH
NCO
NCO
TU_LCH
TU_GND
TU_RCH
AUX_LCH
AUX_GND
AUX_RCH
XM_LCH
XM_GND
XM_RCH
FP1
FN1
FN2
FP2
NCO
NCO
NCO
MUTE
I2C_SCL
I2C_SDA
GND
FIL
VCC(8.5V)
AU_OUT_RCH
AU_OUT_LCH
NCO
AU_IN_SUB
AU_IN_RL
AU_IN_RR
AU_IN_FL
AU_IN_FR
AU_OUT_FR
AU_OUT_FL
AU_OUT_RR
AU_OUT_RL
AU_OUT_SR
AU_OUT_SL
1k
R415
2.2k
R419
12k
R418
1k
R416
1
C436
1
C437
C100
0.1
0
R116
R406
0
12k
R417
RKZ6.8B2KGP1
D114
RKZ6.8B2KGP1
D115
D1
19
RKZ6.8B2KGP1
CL081
CL069
CL074
CL077
CL070
CL079
CL071
CL063
CL075
CL064
CL078
CL066
CL072
CL067
CL065
CL068
CL073
CL061
AU_GND
RF_ANT_IN
RF_GND
AUDIO_OUT_L
AUDIO_OUT_R
RSTN
SCL
SDA
+8.5V
POWER_GND
CN01
9
4
5
3
1
2
6
7
8
R432
10k
C450
1
C452
1
R433
0
J1
C101
0.001
J402
R434
0
1
C10
16V
47
C11
4.7uH
L1
1
C15
0
R10
1k
R13
R102
0
JL011
FB19
C440
1000p
C439
1000p
C103
0.1
0.1
C414
C451
2.2
C442
0.1
DM
DP
16V
10
C420
16V
10
C424
16V
10
C425
16V
10
C413
47k
R405
1
C438
C419
10
CL076
R470
0
R471
0
R468
0
R469
0
C201
1
2.2uH
L431
0
R426
LTA014EUBFS8TL
Q407
LTC014EUBFS8TL
Q409
1000p
C457
10k
R409
10k
R424
10k
R411
10k
R422
1000p
C105
R403
47k
R19
0
FB420
FB411
FB412
FB413
FB414
FB415
47p
C480
47p
C481
CAM003
CAM002
FB416
2.2
C422
C410
2.2
220
R490
220
R491
220
R492
220
R493
220
R494
220
R495
1
C499
C412
47p
47p
C423
47p
C426
47p
C421
C104
47p
FB404
FB405
FB406
FB407
FB408
FB410
LTC014TUBFS8TL
Q401
LTC014TUBFS8TL
Q402
LTC014TUBFS8TL
Q403
LTC014TUBFS8TL
Q404
LTC014TUBFS8TL
Q405
Q406
LTC014TUBFS8TL
220
R407
220
R421
220
R423
220
R410
220
R404
0
R466
0
R465
0
R464
0
R463
0
R462
0
R442
0
R443
0
R444
0
R445
0
R446
R402
220
CN102
20P
1
USB_GND
2
USB_VBUS
3
GND
4
KEY_GND
5
AUX_L
6
AUX_R
7
AUX_GND
8
RE_0
9
RE_1
10
KEY_1
11
KEY_0
12
SIRCS
13
LCD_DATA
14
LCD_CE
15
LCD_CLK
16
ILL
17
PANEL_SW
18
D–
19
D+
20
GND
AU_SUB_CH
AU_FR_CH
AU_RR_CH
AU_RL_CH
AU_IN_LCH
AU_IN_RCH
AU_FL_CH
AU_IN_RCH
AU_IN_LCH
XM_LCH
XM_RCH
KEY0
RE1
LCD_CE
I2C_SCL
AU_FR_CH
AU_FL_CH
AU_RR_CH
AU_RL_CH
AU_SUB_CH
I2C_SDA
LCD_DATA
NOSE_SW
SIRCS
KEY1
RE0
AU_IN_RCH
AU_SUB_CH
AU_RL_CH
AU_RR_CH
AU_FL_CH
AU_IN_LCH
AU_FR_CH
C158
1
LCD_CLK
1000p
C446
MAIN BOARD (2/5)
8
7
4
2
6
9
10
1
5
3
27
25
24
20
26
21
22
23
IC401
ELECTRICAL VOLUME, INPUT SELECTOR
BUS1
TUX-DSP02
(GT575UP)
Q401 - 406
MUTING
18
Q407, 409
MUTING CONTROL
(GT575UP)
(ANTENNA IN)
L
R
AUDIO OUT
FRONT
L
AUDIO OUT
REAR/SUB
R
I
6
H
1
C
12
K
13
5
F
8
2
B
D
G
11
L
10
E
J
9
A
4
3
7
14
GT575UE/GT575UI/
GT625UI/GT627UV
R310
1000p
TUNER
UNIT
(Page 27)
(Page 26)
(Page 23)
(Page 25)
(Page
31)
• See page 32 for IC Block Diagrams.
Ver. 1.1
Click on the first or last page to see other CDX-GT575UE / CDX-GT575UI / CDX-GT575UP / CDX-GT625UI / CDX-GT627UV service manuals if exist.