Sony CDX-GT33U Service Manual ▷ View online
CDX-GT33U
CDX-GT33U
17
17
4-1. BLOCK DIAGRAM – MAIN Section –
20
22
22
11
12
28
12
28
8
17
18
18
3
25
7
19
27
13
24
27
13
24
4
AU_LCH
AU_RCH
AU_RCH
TXD(MC-BUS)
RXD(MC-BUS)
WAKE UP
Z_MUTE
CD_ON
CDM_ON
RXD(MC-BUS)
WAKE UP
Z_MUTE
CD_ON
CDM_ON
SYS_RST
EJECT_OK
VBUS ON
EJECT_OK
VBUS ON
A_ATT
BU CHECK
MECHA 8.5V
A+3.3V
BU_+3.3V
DR_+6V
BU CHECK
MECHA 8.5V
A+3.3V
BU_+3.3V
DR_+6V
R-CH
R-CH
R-CH
R-CH
R-CH
BU+3.3V
AUDIO +8.5V
BU_+3.3V
SERVO+3.3V
R-CH
7 AUX-L
9 AUX-R
9 AUX-R
MC RX
59
MC TX
60
WAKE UP
58
Z-MUTE
62
CD_ON
27
CDM_ON
28
RESET
54
SYSRST
26
V-BUS ON
BU +3.3V
70
CLK IN
61
MD2
51
MD0
53
FLASH EN1
78
VOUT
1
VIN 2
15
D701
4 FMIN1
3 FMIN2
3 FMIN2
3 TU-L
8 AUX GND
ELECTRONIC VOLUME
IC302
J1
(ANTENNA)
PHASE LOCKED LOOP
(PLL)
IC001
L6
FM MIX
L2
CN701
CD
MECHANISM
UNIT
(MG-101Y)
(1/2)
I2C BUS CONTROLLED
POWER AMP/MULTIPLE
VOLTAGE REGULATOR
IC301
SYSTEM CONTROL
IC401 (1/2)
RESET
IC403
CN802
4 TU-R
5 CD-L
6 CD-R
6 CD-R
R-CH
R-CH
R-CH
BATT
R-CH
8
9
9
18
SCL
19
SDA
14
RSSI
37 VSM
84 DAVN
76 RDS ON
12
MPXIN
13
MPXOUT
16 MPX
11
SCL
12
SDA
I2C-SCK
I2C-SIO
15
1
7
INTN
16 XTAL1
15 XTAL2
LOUT
ROUT
J901
AUX
X1
4MHz
AEP,UK,IT,RU
MODEL
MODEL
S401
RESET
5
3
3
OUT-FL+
AEP,UK,IT,RU
MODEL
MODEL
OUT-FL–
9
7
7
OUT-RL+
OUT-RL–
OUT-RL–
27
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
25
23
23
OUT-FR
17
SACLK
18
SADA
19
SAOUT
OUT-RR
28
MUTE
4 SCL
AUDIO +8.5V
SERVO+3.3V
MECHA+6V
PANEL+B
SERVO+3.3V
MECHA+6V
PANEL+B
2 SDA
16 BEEP
22 STB
25 DIAG
22 STB
25 DIAG
7
10
12
11
16
1
9
9
2
4
3
6
29
30
30
SCL
SDA
SCL
SDA
SDA
SCL
SDA
SDA
SCL
SDA
SDA
SCL
SDA
SDA
23
I2C_SCK
72
SACLK
71
SAOUT
38
SAIN
22
I2C_SIO
31
ATT
47
EXTATT_XEN
98
E-VOL_ATT
97
BEEP
68
AMPSTB
69
DIAG
12 IN-FL
FL+
FL–
FL–
RL+
RL–
RL–
FR+
FR–
RR+
RR–
FR–
RR+
RR–
ANT-REM
BATT
ACC
26
OUT-FL
11 IN-RL
24
OUT-RL
MUTE DRIVE
Q303,304
29
ACC IN
ACC DETECT
Q805
+3.3V REG
IC402
MUTE
Q103
13
TEL-ATT
30
TL ATT
TEL-ATT DETECT
Q806
1 AMRFIN
D306
D308
D309
FU601
83
BU CHECK
37
BU+B
B.U+5V
MUTE
Q104
BU+3.3V
BATT
2
3
9 XTI
10 XTO
VDDA
VDDD
BU
+3.3V
+3.3V
X601
8.664MHz
RDS DEMODULATOR
IC601
MECHA +6V
3.3V
6
3
FLASH_W
UART_CLK
7
CLK IN
2
RESET
RX
4
1
5
TX
CN401
FLASH
PROGRAMMING
BU +3.3V
B.U +5V
RDS +3.3V
CONTROL SWITCH
Q601,602
CD MUTE
Q305
FLASH
PROGRAMMING
BUFFER
Q401,402,701
BACK-UP
CHECK
Q802,807,808,
D806,807
• Signal Path
• R-CH is omitted due to same as L-CH.
IT : Italian model
RU: Russian model
RU: Russian model
• Abbreviation
: AM or MW
: CD
: FM
: AUX
SECTION 4
DIAGRAMS
CDX-GT33U
CDX-GT33U
18
18
4-2. BLOCK DIAGRAM – DISPLAY Section –
92
93
40
49
50
50
39
95
1
3
SYSTEM CONTROL
IC401 (2/2)
USB POWER
CONTROL SWITCH
IC503
LCD DRIVER, LED CONTROL
IC901
KEYIN0
CL
CE
CE
LCD SO
LCD SCK
LCD CE
2
1
BACK LIGHT
4
BLINK
KEYIN1
11 RE–IN0
12 RE–IN1
12 RE–IN1
46 KEYACK1
SIRCS
OSCOUT
OSCIN
X401
7.92MHz
63
64
62
DIMMER
S1–48
COM1–4
DI
PANEL+B
KEY MATRIX
LSW907–917,
S901–906
14
13
XOUT
XIN
X402
32.768kHz
99
SYNC OUT
24
USB OVER
7
NOSE SW
21
USB ON
BATT
100
DD ON
(VOLUME)
PUSH ENTER/ SELECT
RE901
ROTARY
ENCODER
REMOTE CONTROL
SIGNAL RECEIVER
IC971
VIN
V–BUS
VOUT
2
LED DRIVER
Q801
LCD
BACK PANEL
D510
L502
CD
MECHANISM
UNIT
(MG-101Y)
(2/2)
USB D+
USB D–
DC-DC CONVERTER
IC501
6
DRV
1 RC
LCD
BACK LIGHT
DRIVER
Q932
LCD901
LIQUID CRYSTAL
DISPLAY PANEL
DIMMER
SWITCH
Q931
USB POWER
SWITCH
Q502
USB POWER
CONTROL
Q501
SWITCHING
REGULATOR
Q503
USB OVER
CURRENT
DETECT
Q504,505
1
2
3
4
2
3
4
CN902
CN902
(USB)
LED951–953
(RING ILLUMINATOR)
D502
PANEL+B
PANEL+B
PANEL+B
LED941–946,
LSW907–917
LSW907–917
LED931
1
3
CONT
34
41
41
45
RC_IN1
KEYACK0
RC_IN0
J801
(REMOTE IN)
48
5–10,
55,60
55,60
54–51
• Signal Path
c
: USB
c
c
CDX-GT33U
CDX-GT33U
19
19
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.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : FM
( ) : MW or AM
< > : CD PLAY
( ) : MW or AM
< > : CD PLAY
*
: Impossible to measure
• Voltages are taken with VOM (Input impedance 10 M
Ω).
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
: MW or AM
L :
AUX
c :
USB
• Abbreviation
IT
IT
: Italian model
RU
: Russian model
MX
: Mexican model
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.
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Note: The components identifi ed by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specifi ed.
• Abbreviation
IT
IT
: Italian model
RU
: Russian model
MX
: Mexican model
• Waveforms
– MAIN Board –
0.04 Vp-p
4 MHz
1.3 Vp-p
32.768 kHz
0.05 V/DIV, 50 nsec/DIV
0.5 V/DIV, 20 μsec/DIV
IC001 RI (XTAL1)
IC401 RE (X_OUT)
2.7 Vp-p
7.92 MHz
0.5 V/DIV, 50 nsec/DIV
IC401 PT (OSC_OUT)
0.9 Vp-p
8.664 MHz
0.5 V/DIV, 50 nsec/DIV
IC601 (XT1)
(AEP, UK, IT, RU model)
CDX-GT33U
CDX-GT33U
20
20
4-3. PRINTED WIRING BOARD – MAIN Section –
•
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
R413,429,450,453,601
(AEP,UK,IT,RU)
1
R414,430,449,454
(E,MX)
2
1
1
2
2
1
1
2
1
2
IC001
IC401
IC402
IC403
IC601
IC301
IC302
IC501
IC503
8
1
1
3
1
37
2
36
A1
B1
A14
B14
DD
G
S
D
D
G
S
DD
D
D
1
4
58
1
16
17
32
1
16
17
32
1
100
30
31
81
80
50
51
8
91
6
1
15
C20
C21
R401
C22
R402
C23
C24
R404
C25
R405
C26
R406
R212
C27
R407
R213
C28
R408
C29
FB801
R409
FB802
R216
FB803
R217
R601
R602
R603
R604
R410
R411
R605
R606
R607
R413
R608
R414
R609
R417
R418
R419
R610
R61
1
CN401
R612
R613
CN403
R614
R420
R421
R422
R423
R424
R425
R426
R427
R428
R429
R815
R816
R816
R817
R818
R430
R819
C201
R431
R432
C203
R433
R434
C204
C205
R435
R436
FU601
CN802
R437
R820
R438
C208
C209
R821
R439
R822
R823
R824
C401
C402
R827
C403
C404
C210
R440
R829
JL001
C405
R441
JL002
C212
C406
R442
JL003
C407
R443
JL004
C214
R444
JL005
C409
C215
JL006
R446
JL007
R447
JL008
R448
JL009
C601
R449
C602
C603
C604
C605
C411
X401
C606
X402
C607
C413
JL010
C608
R450
R451
JL011
C609
R452
JL012
C416
JL013
R453
C417
JL014
R454
C418
JL015
R455
C419
JL016
R456
JL017
C803
JL018
C610
R459
JL019
C611
X601
C612
C807
C420
C421
C809
C422
C423
R460
JL020
C424
R461
JL021
C425
S401
R462
JL022
C426
R463
JL023
C427
R464
JL024
C428
C810
R465
JL025
C81
1
C429
R466
C812
JL026
R467
C813
JL027
JL028
JL028
JL029
F501
C433
C434
JL030
C435
JL031
C436
JL032
JL033
JL034
JL035
JL036
JL037
JL038
C1
JL039
C5
C6
C7
C8
JL040
C9
JL041
JL042
JW201
JW202
JW203
JW204
JW205
JW206
JW207
Q103
JW208
Q104
JW209
D201
JW210
JW21
1
JW212
JW213
Q303
JW214
Q304
1
2
3
2
3
JW215
Q305
JW216
JW217
JW218
JW219
D401
D403
D404
Q501
Q502
Q503
JW220
Q504
JW221
Q505
JW222
JW223
JW224
JW225
L301
JW226
JW227
JW228
D410
JW229
Q701
JW230
D801
AEP,UK MODEL
JW231
L501
JW232
L502
JW233
L503
JW234
JW235
JW236
D806
JW237
D807
JW238
D808
AEP,UK,IT,RU MODEL
JW239
D809
JW240
JW241
JW242
D812
JW243
JW244
JW245
JW246
JW247
JW248
JW249
JW250
JW251
JW253
JW254
JW255
JW256
JW257
JW258
JW259
JW261
FB301
JW262
JW263
JW264
JW265
R101
JW266
JW267
R103
JW268
R104
R105
JW269
JW270
JW271
JW272
R302
JW273
R304
1
2
19
20
JW274
R305
JW275
JW276
R306
R112
JW277
R113
JW278
R308
JW279
R309
FB702
R116
R117
FB705
R501
R502
FB707
R503
JW280
R504
JW281
R505
JW282
JW283
R313
JW284
R508
L1
JW285
L2
JW286
JW287
JW288
JW289
R701
L6
L7
R703
L8
R704
R510
R511
R706
R512
R707
JW290
R514
JW291
R709
JW292
R516
JW293
R517
JW294
R518
JW295
JW296
JW297
JW298
R710
JW299
CN501
AEP,UK,IT,RU MODEL
AEP,UK,
IT,RU MODEL
IT,RU MODEL
R713
R714
R520
R715
R521
R716
R717
R523
R524
R525
C101
R526
R527
C103
R528
C104
C105
CN701
C108
C109
C301
C303
C304
C110
C305
C1
12
C306
C307
C308
C1
14
C115
C501
C502
C503
C504
C311
C505
C506
C313
C507
R10
C314
C508
R11
C315
C509
R12
C316
R13
C317
R14
R15
C701
C319
R16
C702
C703
C704
C705
C706
C707
C513
C708
C514
C322
C516
C323
C518
C519
A001
C520
C521
C524
R1
R2
R3
R4
R5
R5
R6
VR1
JW102
JW300
JW301
D101
JW302
D102
JW304
JW305
JW306
JW307
Q203
JW308
Q204
JW309
D301
D302
D303
JW310
JW311
Q401
JW312
Q402
D306
JW313
JW314
D308
JW315
D309
JW316
JW319
JW126
D502
D503
D504
Q601
B C E
Q602
JW321
JW322
JW323
JW324
JW325
D701
JW326
JW327
JW328
D510
JW329
D511
Q802
JW137
JW138
Q805
Q806
Q807
JW330
Q808
JW331
JW332
JW333
JW334
JW335
JW336
JW337
JW338
JW339
JW147
JW148
L801
X1
JC101
JC102
JC103
JC104
JC105
JC106
JC107
1
2
2
4
3
3
JC108
JC109
JC1
10
JC1
11
JC112
JC113
JC1
14
JC1
15
JC116
JC117
JC118
JC1
19
C12
C13
JC120
JC121
R201
C16
C17
JC123
R203
JC124
C18
R204
C19
R205
FB602
9
1
16
19
18
17
8
CD MECHANISM
UNIT
(MG-101Y)
(2/2)
MAIN BOARD
S401
RESET
1-879-166-
11
CD MECHANISM
UNIT
(MG-101Y)
(1/2)
FLASH
PROGRAMMING
E,MX MODEL
AEP,UK,IT,RU MODEL
J801
(REMOTE IN)
KEY BOARD CN901
A
(ANTENNA)
J1
E C B
E C B
E C B
E C B
B C E
B C E
B C E
E C B
E C B
B C E
B C E
B C E
E C B
B C E
B C E
E C B
B C E
B C E
E C B
Ref. No. Location
• Semiconductor
Location
D101
G-3
D102
C-6
D201
H-3
D301
G-3
D302
D-6
D303
C-7
D306
D-4
D308
E-6
D309
F-6
D401
H-5
D403
I-3
D404
I-3
D410
H-4
D502
F-8
D503
E-8
D504
F-9
D510
G-7
D511
G-8
D701
F-7
(D801) C-9
D806
E-8
D807
E-8
<D808> C-8
D809
C-7
D812
C-8
IC001
E-2
IC301
B-5
IC302
D-3
IC401
F-5
IC402
D-4
IC403
F-4
IC501
F-8
IC503
H-8
<IC601> G-2
Q103
C-4
Q104
B-3
Q203
B-3
Q204
B-3
Q303
D-4
Q304
D-4
Q305
E-7
Q401
F-4
Q402
G-4
Q501
G-7
Q502
E-9
Q503
F-9
Q504
G-8
Q505
G-8
<Q601> F-3
<Q602> G-2
Q701
F-7
Q802
E-8
Q805
D-7
<Q806> D-7
Q807
E-8
Q808
E-8
VR1
C-2
( ): AEP, UK model only
< >: AEP, UK, IT, RU model only
< >: AEP, UK, IT, RU model only
(Page 24)
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