Sony CDX-GT66UPW Service Manual ▷ View online
CDX-GT66UPW
CDX-GT66UPW
25
25
4-12. PRINTED WIRING BOARD - KEY Board -
•
: Uses unleaded solder.
• See page 17 for Circuit Boards Location.
Note: Refer to the servicing notes “NOTE FOR REPLACEMENT OF
THE USB CONNECTOR (CN971) AND THE AUX JACK (J901)”
(See page 4), if replacing the Ref. No. CN971 and the Ref. No. J901.
(See page 4), if replacing the Ref. No. CN971 and the Ref. No. J901.
1
36
72
37
C1
B1
E1
C2
C2
B2
E2
D975
D976
D977
D978
D979
IC984
LCD901
Q971
Q977
LED986
LED988
LED989
LED990
C905
R971
R972
R990
S952
S959
S961
S964
S963
S962
S960
S965
8
5
4
1
1
1
20
21
40
41
60
61
80
C1
B1
E1
C2
C2
B2
E2
C1
B1
E1
C2
C2
B2
E2
C1
B1
E1
C2
C2
B2
E2
C1
B1
E1
C2
C2
B2
E2
C1
B1 E1
C2
B2
E2
10
1
20
11
D971
D972
D981
D982
IC971
IC981
L921
FB901
FB902
FB903
R900
R901
R902
R910
R911
Q972
R912
Q973
Q974
Q975
Q976
R916
R918
R919
CN901
R920
R926
R928
R930
R932
R933
R934
R935
R937
R939
C903
R940
C904
R947
R951
R952
R953
R954
R955
R956
R957
R958
R959
R960
R961 R962
R963
R964
R965
R966
R967
R968
R973
R974
R975
R976
R977
R978
R981
R982
R983
R984
R985
R986
R987
R988
R989
R997
R998
R999
D901
D902
D903
D904
D905
D906
D907
D908
D909
D910
D911
C981
C982
C983
C984
C985
C986
C993
C995
S971
J901
CN971
CN971
RE901
S951
S953
S955
S954
S956
S957
S971
S951 – 957, S960 – 966
SEEK+
M >
SOURCE
OFF
MODE
ZAP
SEEK–
. m
COLOR
LED986, 988 – 990
(GRN)
1
2
3
4
5
6
(RED)
(BLU)
6 5 4
3 2 1
6
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
2
4
1
3
LIQUID CRYSTAL DISPLAY
(RING ILLUMINATION)
(LCD BACK LIGHT)
LED986, 989
(KEY ILLUMINATION)
PTY
S966
V
ALBUM
1
ALBUM v
2
REP
3
SHUF
4
PAUSE
6
5
SCRL
DSPL
K
A
E
KEY BOARD
(COMPONENT SIDE)
KEY BOARD
(CONDUCTOR SIDE)
1-882-793-
21
(21)
AUX
K
A
1
4
S971
FRONT PANEL
OPEN/CLOSE DETECT
B
SUB BOARD
CN201
5
2
1
4
4
PUSH ENTER/
SELECT
(VOLUME)
1-882-793-
21
(21)
A
B
C
D
E
1
2
3
4
5
6
7
8
9
(Page 24)
CDX-GT66UPW
CDX-GT66UPW
26
26
4-13. SCHEMATIC DIAGRAM - KEY Board -
• See page 27 for IC Block Diagrams.
Note: Refer to the servicing notes “NOTE FOR REPLACEMENT OF
THE USB CONNECTOR (CN971) AND THE AUX JACK (J901)”
(See page 4), if replacing the Ref. No. CN971 and the Ref. No. J901.
(See page 4), if replacing the Ref. No. CN971 and the Ref. No. J901.
CN201
BOARD
B
SUB
IC B/D
IC B/D
4.9
4.7
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
5.9
3.3
1.7
2.5
2.5
0
3.2
2.9
0.5
5.1
5
0.3
5
0.3
5.1
5
0.3
0.3
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3
1
2
4
L921
8
7
6
5
4
3
2
1
74LVC2G66DC-125
IC971
1Y
1Z
2E
GND
2Y
2Z
1E
VCC
RT1P141C-TP-1
Q971
100
R983
100
R984
100
R985
220
R986
820
R951
820
R959
1k
R960
1k
R961
1k
R953
1k
R952
1.2k
R954
1.2k
R962
1.5k
R955
1.5k
R963
1.8k
R956
1.8k
R964
2.2k
R957
2.2k
R965
3.3k
R966
470
R973
470
R974
470
R975
1k
R987
R972
10k
R971
10k
RB501V
-40TE-17
D977
100
R978
1000p
C904
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
20P
CN901
AUX-R
AUX-GND
KEY1
KEY0
KEYGND
LCD-DATA
LCD-CE
GND-USB
VBUS-USB
GND-LCDLED
GND-LCDLED
D- (USB)
D+ (USB)
LCD-CLK
SIRCS
RE0
RE1
DOORSW
+B-LCDLED
AUX-L
0.47
C984
1.5M
R982
1
C993
R998
4.7k
R997
4.7k
LCD901
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
1
4
3
2
44
40 39 38 37
41
42
43
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
FB901
FB902
FB903
VCC
OUT
GND1
GND2
RS-470
IC984
1
2
3
4
1000p
C995
RKZ18B2KGP1
D906
RKZ6.8B2KGP1
D911
RKZ6.8B2KGP1
D910
RKZ6.8B2KGP1
D908
RKZ6.8B2KGP1
D907
RKZ6.8B2KGP1
D909
RKZ6.8B2KGP1
D901
RKZ6.8B2KGP1
D902
RKZ6.8B2KGP1
D903
RKZ6.8B2KGP1
D904
RKZ6.8B2KGP1
D905
RKZ6.8B2KGP1
D971
RKZ6.8B2KGP1
D972
RKZ6.8B2KGP1
D975
RKZ6.8B2KGP1
D976
RKZ6.8B2KGP1
D979
RKZ6.2B2KGP1
D981
RE901
100
R988
RT3CLLM
Q972
RT3CLLM
Q973
RT3CLLM
Q974
RT3CLLM
Q975
RT3CLLM
Q976
RT3CLLM
Q977
10k
R934
10k
R933
10k
R935
10k
R940
10k
R901
10k
R902
10
R911
1
2
3
4
CN971
56
R926
56
R932
120
R967
120
R990
100
R981
10
R999
120
R947
39
R930
56
R928
56
R958
56
R937
56
R989
39
R939
82
R900
33
R912
68
R910
270
R968
SMLV56RGB1U1
LED988
SMLV56RGB1U1
LED986
SMLV56RGB1U1
LED989
SMLV56RGB1U1
LED990
J901
56
R918
56
R916
10
R919
33
R920
LC75879PT-US-H
IC981
1
P3
2
P4
3
S5
4
S6
5
S7
6
S8
7
S9
8
S10
9
S1
1
10
S12
11
S13
12
S14
13
S15
14
S16
15
S17
16
S18
17
S19
18
S20
19
S21
20
S22
21
S23
22
S24
23
S25
24
S26
25
S27
26
S28
27
S29
28
S30
29
S31
30
S32
31
S33
32
S34
33
S35
34
S36
35
S37
36
S38
37
S39
38
S40
39
S41
40
S42
41
S43
42
S44
43
S45
44
S46
45
S47
46
S48
47
S49
48
S50
49
S51
50
S52
51
S53
52
S54
53
S55
54
S56
55
S57
56
S58
57
S59
58
S60
59
S61
60
S62
61
S63
62
S64
63
S65
64
S66
65
COM1
66
COM2
67
COM3
68
COM4
69
S67
70
VDD
71
VDD1
72
VDD2
73
VSS
74
S68/OSCI
75
INH
76
CE
77
CL
78
DI
79
P1/S1
80
P2
0.1
C903
0.1
C982
0.1
C981
C905
4.7
2.2
C986
DA2J10100L
D978
DA2J10100L
D982
10
R977
10
R976
1
C985
1
C983
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
S36
S37
S38
S40
S39
S41
S58
S57
S56
S55
S54
S53
S52
S51
S50
S49
S15
S14
S48
S47
S42
S43
S44
S45
S46
S20
S19
S18
S17
S16
S13
S12
S1
1
S2
S3
S4
S5
S12
S14
S15
S16
S17
S18
S19
S20
S28
S26
S24
S23
S22
S21
S25
S27
S1
1
S10
S9
S8
S7
S6
S34
S35
S36
S37
S38
S39
S40
S41
S42
S43
S44
S45
S46
S47
S48
S49
S50
S51
S52
S53
S54
S55
S56
S57
S58
S59
S60
S61
S62
S63
COM4
COM3
COM2
COM1
S1
S29
S30
S33
S31
S59
S60
S61
S62
COM1
COM2
COM3
COM4
S63
S64
S13
S32
LCD-DATA
LCD-CLK
LCD-CE
S64
LCD-CLK
LCD-CE
LCD-DATA
LIQUID CRYSTAL DISPLAY
COLOR
S957
SEEK+
SEEK-
S956
ZAP
S955
S954
MODE
S953
S952
OFF
S951
SOURCE
S965
S964
S963
S962
S961
S960
S959
ROTARY
ENCODER
USB BUS SWITCH
IC971
KEY BOARD
REMOTE CONTROL
IC984
LIQUID CRYSTAL DISPLAY DRIVER
IC981
RECEIVER
LED DRIVE
LED DRIVE
LED DRIVE
LED DRIVE
LED DRIVE
LED DRIVE
S971
FRONT PANEL
OPEN/CLOSE DETECT
SWITCH CONTROL
AUX
(KEY ILLUMINATION)
(KEY ILLUMINATION)
(RED)
(GRN)
(BLU)
(RED)
(BLU)
(GRN)
(RED)
(BLU)
(GRN)
(RED)
(BLU)
(GRN)
(LCD BACKLIGHT)
(RING ILLUMINATION)
5
2
4
1
3
SELECT
PUSH ENTER/
(VOLUME)
1
ALBUM
2
ALBUM
3
REP
4
SHUF
5
6
PAUSE
DSPL
SCRL
16
8
I
14
2
15
12
A
D
5
B
7
C
17
6
11
3
H
F
13
G
9
E
10
1
18
4
-2
-1
-1 -2
-1 -2
-1 -2
-1 -2
-1 -2
PTY
S966
(Page
24)
CDX-GT66UPW
27
• IC Block Diagrams
– MAIN Board –
IC301 TDF8556AJ/N5
MUTE
MUTE
ENABLE
LOGIC
STANDBY/
MUTE
CHIP DETECT/
DIAGNOSTIC
PROTECTION/
DIAGNOSTIC
SWITCH
REGULATOR
SWITCH
REFERENCE
VOLTAGE
LOAD DUMP
PROTECTION
TEMPERATURE
PROTECTION
BACK-UP
SWITCH
REGULATOR
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
TAB
OUT-FL–
OUT-FL+
OUT-RL–
OUT-RL+
IN-RL
S-GND
IN-RR
OUT-RR+
OUT-RR–
OUT-FR+
OUT-FR–
DIAG
ANT-REM
AMP-REM
SERVO+3.3V
MECHA+6V
VP
BU+B
I2C_SIO
I2C_SCK
VP2
P-GND1
SVR
IN-FL
IN-FR
BEEP
P-GND3
VP1
STB
P-GND4
RST
CRES
AUDIO+B
(8.5V)
(8.5V)
GND
PANEL+B
CBU
FL
RL
RR
VP
FR
I
2
C BUS
IC402 MM1836A33NRE
VOUT
4
CONT 1
GND 2
NC 3
VIN
5
+
–
VOLTAGE
REFERENCE
REGULATOR
CURRENT
LIMIT
THERMAL
SHUTDOWN
BIAS
• Waveforms
– MAIN Board –
2
IC501 qd (OSCOUT)
1 V/DIV, 50 ns/DIV
145 ns
3 Vp-p
3
IC701 yj (XO)
1 V/DIV, 20 ns/DIV
59 ns
3.7 Vp-p
4
IC601 is (X2)
1 V/DIV, 50 ns/DIV
83 ns
2 Vp-p
1
IC501 qa (XOUT)
1 V/DIV, 20
Ps/DIV
30.4
Ps
2.6 Vp-p
CDX-GT66UPW
28
IC401 BD3467FV-E2
A1 1
INPUT SELECTOR
(2 SINGLE-END AND 4 STEREO ISO)
MUTE
MAIN GAIN
ADJUST
SUB GAIN
ADJUST
I2C
BUS
LOGIC
2ND ORDER LOW-PASS FILTER
INPUT GAIN
OUTC
40
A2 2
B1 3
B2 4
CP1 5
CN 6
CP2 7
ISO
GND
AMP
ISO
GND
AMP
DP1 8
DN 9
DP2 10
ISO
GND
AMP
ISO
GND
AMP
EP1 11
EN 12
EP2 13
ISO
GND
AMP
ISO
GND
AMP
FP1 14
FN1 15
ISO
GND
AMP
FN2 16
FP2 17
MIN 18
SPA1 19
SPA2 20
ISO
GND
AMP
OUTS
39
OUTR1
38
OUTR2
37
OUTF1
36
OUTF2
35
INF2
34
IG1
28
IG2
27
VCC
26
INF1
33
INR2
32
INR1
31
INS
30
INC
29
FADER
ATT
FADER
ATT
FADER
ATT
FADER
ATT
FADER
ATT
FADER
ATT
FADER
BOOST
FADER
BOOST
FADER
BOOST
FADER
BOOST
FADER
BOOST
FADER
BOOST
+
+
VCC
FIL
25
GND
24
SDA
23
SCL
22
MUTEB
21
IC681, 682 NJM2878F3-15 (TE2)
5
VIN
4
VOUT
2
GND
3
N.C.
1
CONTROL
BANDGAP
REFERENCE
THERMAL
PROTECTION
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