Sony CDX-GT16 Service Manual ▷ View online
CDX-GT16
CDX-GT16
17
17
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM – MAIN Section –
1 ANT
4 TU-LCH
8 DN1
9 DN2
9 DN2
ELECTRONIC VOLUME
IC401
J1
(ANTENNA)
TU1
(TUNER UNIT)
AUX BUFFER
IC901
CNP301
CD
MECHANISM
UNIT
(MG-101TA)
POWER AMP/MULTIPLE
VOLTAGE REGULATOR
IC750
SYSTEM CONTROL
IC501 (1/2)
RESET
IC602
CN601
3 TU-RCH
6 CD-LCH
5 CD-RCH
5 CD-RCH
R-CH (FRONT)
R-CH (REAR)
VOLATT
R-CH (REAR)
VOLATT
BATT
B-CH
4
3
3
13
TU-SCL
14
TU-SDA
6
S-METER
5
QUALITY
7
TU-MUTE
16
E2P-SCL
17
E2P-SDA
39 VSM
38 QUALITY
10 VCC (8.3V)
11 TU-VDD (TU5V)
15 E2P-VDD
11 TU-VDD (TU5V)
15 E2P-VDD
AUDIO 8.3V
TU+5V
B.U 3.3V
12 TU ATT
25 EEP_CKO
24 EEP_SIO
24 EEP_SIO
L-CH
R-CH
J901
AUX
5
3
3
OUT-FL+
OUT-FL–
OUT-FL–
9
7
7
OUT-RL+
OUT-RL–
OUT-RL–
27
R-CH
ANT-REM
35
VP
BATT
30
AUDIO8.3V
31
33
33
SERVO3.3V
MECHA6V
34
PANEL+B
TU+5V
14
12
12
OUT-FR
OUT-RR
16
MUTE
4 SCL
AUDIO 8.3V
SERVO3.3V
MECHA6V
PANEL+B
SERVO3.3V
MECHA6V
PANEL+B
2 SDA
16 BEEP
22 STB
25 DIAG
22 STB
25 DIAG
AUDIO 8.3V
15
7
10
12
11
16
1
9
9
2
4
3
6
17
18
18
SCL
SDA
I2C-SCL
I2C-SDA
I2C-SDA
I2C-SCL
I2C-SDA
I2C-SDA
I2C-SCL
I2C-SDA
I2C-SDA
I2C-SCL
I2C-SDA
I2C-SDA
VSM
QUALITY
TUATT
EEP-SCL
EEP-SDA
EEP-SDA
33
I2C_CKO
34
I2C_SIO
9
VOL ATT
86
ATT
5
BEEP
26
AMPSTB
8
DIAG
54
BU IN
73
TEST IN
12 IN-FL
FL+
FL–
FL–
RL+
RL–
RL–
FR+
FR–
RR+
RR–
FR–
RR+
RR–
ANT-REM
BATT
ACC
TEST
13
OUT-FL
11 IN-RL
11
OUT-RL
MUTE
Q441
MUTE DRIVE
Q478,479
BATT
72
ACC_IN
BATTERY LEVEL CHECK
Q580-582
ACC DETECT
Q631
TU+5V REG
Q1,D1
MUTE
Q461
D479
D511
D580
D581
FU601
37
B.UP+B
BU 3.3V
B.U+3.3V
• Signal Path
• R-CH is omitted due to same as L-CH.
11
15
15
22
24
26
16
24
26
16
5
7
7
6
21
27
27
9
25
18
19
18
19
8
1,2
AU_LCH
AU_RCH
AU_RCH
UNI_SO
UNI_SI
UNI_CLK
Z_MUTE
CD_ON
CDM_ON
UNI_SI
UNI_CLK
Z_MUTE
CD_ON
CDM_ON
SYS_RST
EJECT_OK
BUS_ON
EJECT_OK
BUS_ON
A_ATT
BU_IN
D_3.3V
A_3.3V
BU_3.3V
DR_6V
BU_IN
D_3.3V
A_3.3V
BU_3.3V
DR_6V
R-CH
R-CH
R-CH
R-CH
R-CH
SERVO 3.3V
BU_3.3V
MECHA 6V
MECHA 6V
R-CH
10
8
14
12
3
1
+
+
+
10 AUX-LCH
7 AUX-RCH
20 FIL
UNISO
59
UNISI
58
UNISCK
60
Z-MUTE
93
CD_ON
98
CDM_ON
99
RESET
77
SYSRST
88
BUSON
BU 3.3V
87
VOUT
1
VDD 2
D512
D510
: AM
: CD PLAY
: FM
: AUX
CDX-GT16
CDX-GT16
18
18
For Schematic Diagrams.
Note:
• All capacitors are in
• All capacitors are in
μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
Ω and
1
/
4
W or less unless otherwise
specifi ed.
• f :
internal
component.
• 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.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
(
)
:
MW
<
> : CD PLAY
*
: Impossible to measure
• Voltages are taken with a 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
PLAY
F :
FM
f :
MW
L :
AUX
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.)
• Waveforms
– MAIN Board –
– MAIN Board –
• Indication of transistor.
C
B
These are omitted.
E
Q
C E
B
These are omitted.
5-2. BLOCK DIAGRAM – DISPLAY Section –
These are omitted.
C B
E
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.
1 Vp-p
32.768 kHz
IC501 VM (XOUT)
3.1 Vp-p
18.432 MHz
IC501 JE (OSCOUT)
0.5 V/DIV, 20
μsec/DIV
1 V/DIV, 20 nsec/DIV
KEY ACKNOWLEDGE
SWITCH
Q664
X502
32.768kHz
79
80
40
28
29
27
29
27
41
52
76
SYSTEM CONTROL
IC501 (2/2)
DISPLAY CONTROL
IC901
KEYIN1
CL
CE
CE
LCD_SO
LCD_CKO
LCD_CE
DIMMER
KEYIN0
31 RE-IN0
RE-0
RE-1
RE-1
32 RE-IN1
KEY ACK
AD_ON
XIN
XOUT
X501
18.432MHz
82
83 OSCOUT
7 NOSE_SW
OSCIN
47
48
46
2
COM4
COM1
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
D503
3
|
34
•
39
35
35
|
38
|
S1
S33
|
CL
DI
CE
BACK LIGHT
SWITCH
Q932
DIMMER
SWITCH
Q931
LED931
PANEL+B
PANEL+B
(
)
KEY MATRIX
LSW903–910, S904
LSW901, 902, S901–903
(VOLUME)
PUSH SELECT
RE901
ROTARY
ENCODER
BACK LIGHT
1
LCD BACK
LIGHT
(
)
LSW901–910
KEY
ILLUMINATE
(
)
LED861,863–865
KEY
ILLUMINATE
CN701
CN901
15
15
64
2
SIRCS
OUT
IR
REMOTE CONTROL
SIGNAL RECEIVER
IC971
CDX-GT16
CDX-GT16
19
19
5-3. PRINTED WIRING BOARD – MAIN Section –
•
: 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
IC501
IC401
IC750
IC901
IC602
Q478
Q479
Q582
R508
R509
R513
R514
C504
R510
R511
R512
Q664
R524
R528
R409
D1
C6
R2
R3
R503
R582
D580
R609
D609
R632
Q631
R636
Q580
R521
R522
R585
D581
R583
R531
JC753
C343
R674
R671
C755
R752
C7
R479
D479
C770
R1
R535
C404
C405
Q1
FMB4
C509
R504
R505
R673
L1
R540
R541
C510
R544
R507
JC681
C763
R556
R518
R557
R558
R563
C617
C764
C765
C751
C602
C12
C13
R301
R302
C306
C308
C309
C310
FB605
FB604
C771
FB1
FB309
FB305
FB307
FB308
JC527
JC754
JC755
D512
D510
D511
Q431
R441
Q441
FB302
FB304
C312
R561
R565
R567
R529
R570
R12
R13
R502
Q461
Q451
R462
R452
JC1
FB310
R401
JC533
D502
R519
D503
JC504
L301
C774
C775
R575
R577
R566
L501
R542
R543
R547
R578
JC756
R539
FB501
FB606
R675
R676
R677
R679
R681
D617
R661
R662
R663
R664
JC501
Q581
R901
R902
R903
R904
R905
R910
C901
C902
C905
JC795
C917
C918
D903
C776
C452
C462
R690
C522
C523
R402
R403
JC796
R631
C601
TU1
X502
D760
D601
D762
L601
CNP301
C623
X501
CN701
JW63
JW62
JW44
JW119
JW174
JW75
JW139
JW171
JW154
JW155
JW168
JW67
JW156
JW89
JW150
JW72
JW124
JW91
JW163
JW164
JW88
JW20
JW173
JW22
JW42
JW3
JW10
JW98
JW58
JW49
JW87
JW40
JW122
JW121
JW80
JW83
JW90
JW100
JW101
JW94
JW130
JW66
JW93
JW18
JW1
1
JW111
JW95
JW96
JW97
JW81
JW123
JW167
JW166
JW103
JW69
JW74
JW133
JW54
JW138
JW153
JW172
JW92
JW24
JW23
JW7
JW6
JW8
JW137
JW25
JW14
JW15
JW16
JW142
JW143
JW39
JW1
JW2
JW26
JW144
JW9
JW17
JW5
JW21
JW50
JW56
JW28
JW99
JW30
JW29
JW1
18
JW120
JW145
JW45
JW146
JW149
JW106
JW115
JW117
JW109
JW108
JW70
JW76
JW71
JW169
JW129
JW27
C441
C431
C451
C461
C401
C754
C407
C406
C4
C5
C903
C631
C753
C758
C479
C302
C301
C305
C511
C503
C412
C622
JW107
R4
R5
JW162
JW161
JW160
R906
R912
R913
R907
R911
R914
JW105
JW104
D704
D719
JW68
C501
C513
C516
C512
C514
R517
R568
JW140
JW141
R672
R536
R533
R692
C508
C507
JW65
JW82
R584
C519
R601
R634
R633
JW52
JW51
JW48
R527
R756
R551
R757
R550
R506
R532
R534
C756
C422
C423
C413
R406
R407
R408
C750
C769
JW31
JW32
R431
R442
C455
C445
R432
C435
C442
C432
R461
R451
C465
D754
D753
D752
D751
D757
D758
D755
D756
JW13
JW12
R526
FMB3
100
1
30
31
50
51
80
81
J1
(ANTENNA)
KEY BOARD
CN901
A
(CHASSIS)
(CHASSIS)
CN601
FU601
B14.4V
B14.4V
FB303
CD MECHANISM UNIT
(MG-101TC)
1-871-015-
(11)
11
C8
R9
R8
JW102
R537
(Page 23)
Ref. No. Location
• Semiconductor
Location
D1
F-3
D479
F-6
D502
I-7
D503
J-5
D510
G-8
D511
G-6
D512
I-8
D580
G-11
D581
F-11
D601
C-10
D609
D-8
D617
C-9
D704
J-3
D719
J-4
D751
D-7
D752
D-7
D753
D-6
D754
D-7
D755
D-6
D756
D-6
D757
D-6
D758
D-6
D760
D-8
D762
D-9
D903
I-2
IC401
E-3
IC501
H-6
IC602
I-9
IC750
B-6
IC901
H-3
Q1
F-3
Q431
C-4
Q441
C-3
Q451
C-4
Q461
D-4
Q478
E-6
Q479
E-5
Q580
F-11
Q581
I-10
Q582
I-10
Q631
H-10
Q664
J-7
CDX-GT16
CDX-GT16
20
20
5-4. SCHEMATIC DIAGRAM – MAIN Section (1/3) –
• See page 25 for IC Block Diagram.
IC B/D
UDZW-TE17-5.6B
1SS355W
C479
C401
C4
L1
C406
R905
R910
R904
R903 R902
R901
R907
R911
R914
R912
R913
C903
JW107
R479
C412
R406
R407
R408
C431
C451
C441
C461
R431
R451
R441
R461
R432
R452
R442
R462
C5
R1
R2
R3
R12
R401
R402
R403
R403
FB1
C413
C776
C905
Q461
Q441
Q451
Q431
Q478
Q479
D479
R13
C6
C7
R409
C404
C405
C405
C407
R906
Q1
C422
C423
C902
C901
J1
TU1
C12
IC401
IC901
D903
JC1
JW102
R5
R4
R8
C13
C8
R9
QUALITY
D1
(Page 22)
(Page 21)
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