Sony HCD-GTX66 / HCD-GTX77 / HCD-GTX77BP / MHC-GTX66 / MHC-GTX77 / MHC-GTX77BP Service Manual ▷ View online
53
53
HCD-GTX66/GTX77/GTX77BP
HCD-GTX66/GTX77/GTX77BP
6-22. SCHEMATIC DIAGRAM — EFFECTOR SECTION — • Refer to page 65 for IC Block Diagrams.
(Page 45)
MAIN
BOARD
(2/4)
CN512
E
2.8
IC1505(2/2)
IC1501
C1513
C1517
R1512
R1511
C1520
R1546
C1518
C1521
R1514
R1515
C1527
R1510
C1522
C1519
C1529
R1565
R1566
C1554
R1567
R1568
R1570
C1546
R1569
C1545
C1548
R1571
R1572
C1552
R1589
C1555
C1559
C1560
R1500
R1504
R1525
R1502
R1501
C1572
C1568
R1547
C1584
C1571
JR1601
C1576
R1582
R1579
C1561
R1580
R1581
C1562
R1532
R1531
R1531
R1530
R1533
R1533
R1584
R1585
R1586
R1529
C1509
R1505
C1507
C1506
R1526
C1512
R1590
C1542
R1520
R1519
R1522
R1538
R1592
C1526
C1530
C1515
C1524
C1525
R1576
R1574
R1575
R1573
D1502
R1527
CN1502
JW1513
R1508
JW1510
JW1511
JW
JW
IC1503
R1534
R1536
R1537
R1535
R1535
C1544
R1591
Q1506
Q1502
Q1508
Q1507
IC1505(1/2)
R1528
NJM4558M
M65850FP-E1
0.1
0.0015
18k
18k
330p
18k
0.068
330p
18k
18k
0.068
18k
0.0015
1
50V
0.01
2.2k
2.2k
R1607
22k
10
50V
22k
22k
R1594
18k
R1595
18k
100k
10
50V
100k
10
50V
47p
100k
1k
10
50V
33
47p
10
50V
10
50V
100
100
100
100
100
0.1
0.1
10k
100
0.1
R1600
27k
R1598
JR1501
0
0
JR1503
JR1502
0
10k
R1507
100
L1500
10uH
R1516
10k
C1600
0.1
0
JW
C1601
JW
C1602
JW
100k
100k
10
50V
22k
22k
10
50V
820
470
470
330
1.2k
1.2k
0
0
0
100k
1p
10k
0.068
0.068
10k
10
50V
BP
47k
R1604
22k
R1605
22k
R1606
22k
0.0047
0
39k
0
27k
0
0.1
0.033
47
10V
C1528
47
50V
0.22
50V
0.22
50V
3.3k
100k
1k
3.3k
UDZW-TE17-6.2B
100
17P
Q1513
RT1N141C-TP-1
BUFFER
Q1509
RT1N141C-TP-1
BUFFER
10k
TC74LVX4051FT
1.8k
3.9k
47k
2.7k
2.7k
10V
0.0047
47k
2SK3378ENTL
SWITCH
2SK3378ENTL
SWITCH
Q1500
2SK3378ENTL
SWITCH
2SK3378ENTL
SWITCH
2SC5053T100Q
B+ SWITCH
R1602
27k
NJM4558M
100k
S0
S1
S2
S2
S2
S1
S0
MIXER
DIGITAL DELAY
IC1500
NJM4565M
MIXER R
MIXER L
MULTIPLEXER
R1601
100k
JR1600
0
C1569
JW
R1603
100k
54
54
HCD-GTX66/GTX77/GTX77BP
HCD-GTX66/GTX77/GTX77BP
6-23. PRINTED WIRING BOARD — PANEL SECTION — • Refer to page 37 for Circuit Boards Location.
: Uses unleaded solder.
(Page 48)
(Page 56)
(Page 49)
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
2
16
17
JW957
JW976
ND900
CN900
CN906
X900
C924
C926
C927
C928
C932
C935
CN956
CN957
JW901
JW910
C965
C966
IC901
C984
JW944
JW945
JW946
JW947
JW970
JW903
JW978
JW979
JW981
JW966
JW950
JW907
JW919
JW920
JW912
JW913
JW921
JW928
JW926
JW938
JW908
JW949
JW952
JW930
JW942
JW935
JW953
JW955
JW940
JW905
JW917
JW975
JW954
JW904
JW965
JW967
JW968
JW948
JW939
JW973
JW974
JW961
JW937
JW969
JW902
JW915
JW956
JW951
JW909
JW929
JW927
JW924
JW922
JW985
JW986
JW984
JW987
JW983
JW982
JW925
JW911
JW923
JW931
JW931
JW914
JW980
64
70
6
65
7
1
1
3
1
8
2
1
24
25
Q900
Q901
Q902
Q903
Q917
Q918 Q919
Q920
R1012
R1013
R929
R930
R931
R933
R934
R935
R937
R938
R939
C900
C901
C902
C903
C904
R940
C905
C906
R942
C907
R943
C908
R944
C909
R945
R946
R948
R949
C910
C911
C912
C913
C914
C915
R951
C916
R952
C917
R953
C918
C919
C920
C921
C922
R1072
C923
R1073
R1074
C925
R1075
R962
R1076
R963
R966
R967
R968
R969
C930
C931
C933
C934
R970
R971
C936
R972
C937
R973
C938
R974
C939
R976
R977
R979
C940
C941
C942
C944
R981
C946
R982
R983
C951
C952
C953
C954
C956
C957
C958
C959
D900
C960
C961
C962
C963
C964
C974
C979
IC900
C985
IC902
JR900
JR901
D902
D903
D901
JR903
2
1
BOARD
PANEL
N
FUNCTION
BOARD
CN950
F
MAIN
BOARD
CN508
M
USB CONNECTOR
BOARD
NO958
JW964
1
R975
E
1
100
30
31
81
80
50
51
51
11
20
1
10
E
E
E
E
E
E
E
14
(14)
1-872-593-
Ref. No.
Location
D900
D-4
D901
F-11
D902
C-5
D903
F-11
IC900
F-8
IC901
B-14
IC902
F-3
• Semiconductor Location
Q900
G-12
Q901
F-12
Q902
G-12
Q903
F-12
Q917
E-11
Q918
E-11
Q919
E-11
Q920
B-3
Ref. No.
Location
55
55
HCD-GTX66/GTX77/GTX77BP
HCD-GTX66/GTX77/GTX77BP
• Refer to page 39 for Waveforms.
• Refer to page 66 IC Block Diagrams.
6-24. SCHEMATIC DIAGRAM — PANEL SECTION — • Refer to page 74 for IC Pin Description of IC900.
(Page 47)
(Page 49)
(Page 57)
1
9.1
1.6
8.5
5.4
9.1
8.7
4.9
2.7
2.7
0
-20.6
-29.3
-30.8
-27.7
-26.4
-22
-32.2
-32.2
-39.2
-23.5
-29.2
-22
-20.7
-22.2
-23.6
-30.7
-32.6
3.3
3.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.3
1.3
3.3
-31
-31
-31
-31
-31
-31
-31
-31
-31
-31
-31
-31
-31
-31
-31
-30.9
-30.9
-30.9
-30.9
-30.8
-30.8
0
-23.7
-23.7
-23.6
-23.6
-23.6
-23.6
-32.1
-27.8
-24.8
-24.8
-30.6
-22.2
3.3
-24.8
-27.8
-26.3
-25
-25
-24.9
-26.4
0
-30
4.5
0
3.1
0.5
3.4
3.4
3.3
3.3
3.3
3.4
0.6
1.9
0.3
4.7
0.3
0.1-0.5
-30.6
-30.6
3.8
0
-30.6
3.8
-30.9
-31
3.8
1.5
0
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
0
3.3
0
0
0
0
1.5
1.5
1.5
3.3
3.3
1
1
3
2
2
3
4
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
37
38
39
40
41
42
43
44
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
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
20
19
18
17
16
15
14
13
12
11
VCC
OUT
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
1
7
8
9
10
11
12
6
14
19
18
17
13
16
20
15
23
24
27
21
28
26
25
22
31
33
35
30
32
36
34
29
42
44
43
40
37
39
38
41
46
52
48
47
45
51
49
50
53
54
55
59
56
57
58
63
61
62
64
65
60
70
1
2
3
4
5
6
7
8
22
21
20
19
18
17
16
15
14
13
12
10
9
31
32
33
34
35
36
37
38
39
40
41
43
45
46
47
24
25
26
27
28
29
30
31
32
33
34
35
39
40
41
43
44
45
46
47
87
89
90
91
92
93
94
95
96
97
98
99
1
2
3
4
5
36
37
6
80
38
44
49
54
56
24
25
26
27
28
29
30
12
13
14
15
16
17
18
19
20
21
22
10
9
6
5
4
3
2
1
100
99
98
97
96
95
94
93
92
91
90
89
88
87
49
51
52
51
52
53
54
60
61
64
65
66
67
68
69
70
71
72
73
75
76
77
78
79
80
67
68
69
70
71
53
5555
5656
5757
58
60
61
77
88
52
53
54
58
75
76
78
79
64
65
66
57
56
55
72
73
IC900
MB90M407PF-G-151E1
G16
G17
G18
G19
G20
G21
G22
G23
P36
P35
VSS-IO
P34
P33
P32
P31
P30
P29
P28
P27
P26
P25
P24
VDD-FIP
P23
P22
P21
P20
P19
P18
P17
P16
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
VSS-IO
P5
P4
P3
P2
P1
VKK
MD0
MD1/VDD-VFT
MD2
LED-VIDEO,USB
LED-TAPE,AUDIO
LED-CD, TUNER
LED-VOL1,2
LED-VOL3,4
LED-VOL5,6
LED FF,FR
LED-REC/ERASE,CD-USB SYNC/REC1
I2C DATA
I2C CLOCK
AVCC
AVSS
KEY0
KEY1
KEY2
ALL-BAND
BPF4
BPF3
BPF2
BPF1
OPERATION DIAL
VOLUME
No USE
LED-STOP
LED-CD-TAPE SYNC,TAPE REC PAUSE/START
RESET
LED-AMS+,AMS-
LED-PLAY green, PLAY red
LED SELECTOR
VSS-CPU
X0
X1
VCC-CPU
NO USE
G1
G2
G3
G4
G5
G6
G7
G8
G9
G10
G11
G12
G13
G14
G15
IC902
NJM2760V-TE2
IN1
IN2
BUF1OUT
BPF2IN1
BPF2IN2
BPF3IN1
BPF3IN2
BPF4IN1
BPF4IN2
GND
VCC
NC
BPF1OUT
BPF2OUT
BPF3OUT
BPF4OUT
RECOUT
BPF1IN2
BPF1IN1
BUF2OUT
IC901
NJL24H400A
CN906
17P
SPEANA
SPEANA GND
VG
VF(1)
VF(2)
EVER +4V
BPM LOW
LED GND
LED +9V
GC GND
POWER LED
KEY INT POWER
KEY INT DISPLAY
SIRCS
IIC DATA
IIC CLOCK
GC RESET
C922
CH
C921
CH
C920
CH
C919
CH
C918
CH
C917
CH
C916
C915
CH
C914
C913
CH
C912
CH
C911
C910
CH
C909
CH
C908
CH
C907
CH
C906
CH
C905
CH
C904
CH
C903
CH
C902
CH
C901
CH
C900
CH
C924
10
50V
C966
10
50V
C974
0.01
0.01
100
R930
100
R929
10k
R931
D900
UDZW-TE17-6.8B
Q917
ND900
VACUUM FLUORESCENT DISPLAY
RT1N430C
RT1N430C
RT1N430C
100k
R1074
100k
R1075
100k
R1076
C927
470
6.3V
C928
470
6.3V
C926
470
6.3V
C930
0.01
B
C953
0.1
F
10k
R953
C960
220p
B
100
R962
100
R963
15k
R967
15k
R966
100
R969
100
R970
100
R971
100
R973
100
R974
100
R975
C979
0.1
10k
R981
10k
R982
C952
0.1
F
C965 4.7 50V
Q918
Q919
C923
0.01
C931
1000p
B
47
10V
47
R951
C934
1
F
C933
1
F
F
33k
R933
56k
R934
2.7k
R935
C936
4700p
B
C938
0.022
B
6.8k
R937
5.6k
R938
C937
4700p
B
C939
0.022
B
10k
R939
C942
0.1
F
1k
R940
1k
R943
1k
R944
1k
R945
C985
1
F
F
C956
1
F
F
C957
1
F
F
C963
1
F
F
1k
R942
C984
10
50V
C962
470p
470p
B
C961
470p
470p
B
C944
1
F
F
C946
0.1
F
C935
10
50V
0
R983
Q901
2SB1132
Q901-903
LED DRIVE
Q903
2SB1132
Q900
DTC123JKA-T146
Q902
DTC123JKA-T146
X900
4MHz
4MHz
C958
220p
B
15k
R968
4.7k
R976
100
R979
1M
R1072
C925
0.1
F
C964
0.1
F
0
R1073
680
R1012
680
R1013
Q920
DTC123JKA-T146
C951
0.1
F
C954
220p
B
100
R972
10k
R977
C959
0.01
CN957
8P
MD0
MD2
INT0
INT1
SI0
SO0
VCC-CPU
GC DGND
JW901
CN900
25P
LED -VIDEO/MD(TV),USB(TV/VIDEO)
LED -TAPE[TUNER],TV/SAT[TAPE]
LED - CD DUMMY1,TUNER[DVD]
LED -FF,FR
LED -USB ACCESS, to USB
LED -STOP,PAUSE
LED- toTAPE, toUSB
LED - AMS+,AMS-
EQ -PLAY GREEN/RED
KEY0
KEY1
KEY2
SELA
SELB
POWER LED
GC-GND
KEY INT DISPLAY
EVER +4V
LED-GND
KEY INT POWER
LED VOL 5,6.
LED VOL 3,4.
LED - VOL1,2.
OPERATIONAL DIAL
VOLUME
JL901
JL902
JL903
JL904
JL905
JL908
JL909
JL910
JL912
JL913
JL914
JL915
JL916
JL917
JL918
JL919
JL920
JL921
JL922
JL924
JL925
JL926
JL927
JL928
JL929
JL930
JL931
JL934
JL935
JL937
JL938
JL939
JL940
JL941
JL942
JL949
JL950
JL951
JL952
JL923
D901
MA111-TX
D902
MA111-TX
D903
MA111-TX
220
R946
220
R949
1.5k
R948
1.5k
R952
C941
0.047
B
C940
0.047
B
JL1017
JL1018
JL1019
JL1020
JL1021
JL1022
JL1023
JL1024
JL1025
JL1026
JL1027
JL1028
JL1029
JL1030
JL1031
JL1032
JL1033
JL1034
JL1035
JL1036
JL1038
JL1039
JL1040
JL1041
JL1042
JL1043
JL1044
JL1045
JL1046
JL1047
JL1048
JL1049
JL1050
JL1051
JL1052
JL1053
JL1054
JL1055
JL1056
JL1057
JL1058
JL1059
JL1060
JL1061
JL1062
JL1063
JL1064
JL1065
JL1066
JL1067
JL1068
JL1069
JL1070
JL1071
JL1072
JL1073
JL1074
JL1075
JL1076
JL1077
CN956
2P
2P
USB LED
SEL A
JL1078
JL1080
JL1082
JL1081
SEL A
SEL B
LED +9V
USB ACCESS LED
+3.3V
-36.0V
SPEANA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
100
100p
330p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
CH
CH
CH
JL1037
25
10
9
8
7
6
5
4
3
2
1
C932
REMOTE
CONTROL
RECEIVER
RECEIVER
MAIN
BOARD
(4/4)
CN508
FUNCTION BOARD CN950
F
N
USB CONNECTOR BOARD
NO958
M
(NOT USE)
DISPLAY CONTROL,
KEY CONTROL
IC900
IC901
IC902
IC B/D
SPECTRUM
ANALYZER
ANALYZER
PANEL BOARD
Q917–919
FL DRIVE
56
56
HCD-GTX66/GTX77/GTX77BP
HCD-GTX66/GTX77/GTX77BP
6-25. PRINTED WIRING BOARDS — FUNCTION SECTION — • Refer to page 37 for Circuit Boards Location.
: 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
14
14
(14)
1-872-595-
14
(14)
1-872-597-
14
(14)
1-872-596-
14
(14)
1-872-594-
8
1
4
5
PHONES
J1101
MIC LEVEL
MIC
E
E
E
E
E
E
E
E
E
E
E
E
E
1
5
3
1
C1158
C1160
C1163
C1190
J1100
CN907
A1100
A1101
RV1150
C1112
C1113
JW1105
JW1102
JW1116
JW1108
JW1110
JW1107
JW1122
JW1123
JW1002
JW1001
A1102
JW1125
JW1115
JW1114
JW1117
JW1121
(CHASSIS)
(CHASSIS)
(CHASSIS)
CLP900
CLP904
CLP902
CLP901
JW1003
NO902
R1104
C1157
R1137
R1138
C1111
C1162
C1161
D1152
R1154
C1191
R1173
R1181
R1175
R1176
R1177
R1180
R1182
R1183
R1187
R1188
R1190
C1106
R1174
C1110
C1116
IC1100
R1199
O
POWER
BOARD
NO601
G
MAIN
BOARD
CN100
1
3
NO954
S936
R1068
R1069
R1070
R1071
C980
C986
JR1099
R955
R956
R957
R958
R959
2
1
NO955
S929
S930
S931
S932
S933
JW991
JW992
JW993
DISC 1
DISC 2
DISC 3
Z
OPEN/CLOSE
EX-CHANGE/
DISC SKIP
OPERATION DIAL
S935
MASTER VOLUME
CN904
CN905
S900
S901
S902
S903
S904
S905
S907
S908
S909
CN950
S910
S911
S912
S913
S914
S917
S918
S919
S920
S921
S922
S923
S924
S925
S926
S927
S928
S934
S937
D930
D904
D906
D905
D907
D908
D909
D910
D912
D913
D914
D917
D916
D921
D922
D923
D924
D925
D922–927
(ILLUMINATION)
D926
D927
D929
JW1000
JW1005
JW1008
JW1009
JW1010
JW1011
JW1013
JW1014
JW1015
JW1016
JW1017
JW1018
JW1019
JW1020
JW1021
JW1022
JW1023
JW1024
JW1025
JW1026
JW1027
JW1028
JW1029
JW1030
JW1031
JW1032
JW1033
JW1034
JW1035
JW1036
JW1037
JW1038
JW1039
JW1040
JW1041
JW1042
JW1043
JW1044
JW1045
JW1046
JW1047
JW1006
JW1007
JW1012
JW1048
JW1049
JW1050
JW1051
JW1052
JW1053
TUNER/BAND
TAPE A/B
AUDIO
USB
GROOVE
PRESET EQ
ILLUMINATION
FLANGER
DELAY
SOUND FLASH
DISPLAY
AMP MENU
RETURN
ENTER
TUNING +
>
u
x
SURROUND
EQ BAND/
MEMORY
VIDEO
2
1
2
1
24
25
R1178
R961
R964
Q904
Q905
Q906
Q907
Q908
Q909
Q910
Q911
Q913
Q914
Q915
Q916
Q921
R1002
R1003
R1005
R1006
R1009
R1010
R900
R1015
R901
R1016
R902
R903
R904
R1019
R905
R906
R907
R908
R909
R1020
R1022
R1023
R910
R911
R912
R913
R1028
R914
R1029
R915
R916
R917
R918
R919
R1032
R1033
R1033
R920
R921
R922
R923
R924
R925
R926
R927
R928
R1047
R1048
R1049
R1052
R1056
R1057
R1058
R1060
R1061
R1062
R1064
R1065
R1066
C947
R984
R987
R990
R991
R992
R992
R995
R996
R998
R999
D928
3
1
+
M
-
CD-TAPE
SYNC
S915
CD-USB
SYNC/REC 1
TAPE REC
PAUSE/START
TUNING –
.
ERASE
CHORUS
S906
CD
BOARD
JOG
BOARD
CD-SW
BOARD
FUNCTION
BOARD
MIC
N
PANEL
BOARD
CN900
m
D1104
(Page 54)
(Page 58)
(Page 48)
Ref. No.
Location
D904
B-13
D905
B-14
D906
C-14
D907
C-14
D908
D-14
D909
D-14
D910
D-14
D912
B-6
D913
B-6
D914
C-6
D916
D-6
D917
D-6
D921
C-7
D922
D-10
D923
C-11
D924
B-10
D925
B-9
D926
C-9
D927
D-9
D928
B-13
D929
D-6
• Semiconductor Location
D930
B-14
D1103
H-6
D1104
H-6
D1152
H-13
D1153
H-13
IC1100
H-9
Q904
B-13
Q905
B-13
Q906
C-13
Q907
D-13
Q908
D-13
Q909
B-7
Q910
C-7
Q911
D-7
Q913
D-7
Q914
E-10
Q915
B-10
Q916
D-8
Q921
D-7
Ref. No.
Location
Click on the first or last page to see other HCD-GTX66 / HCD-GTX77 / HCD-GTX77BP / MHC-GTX66 / MHC-GTX77 / MHC-GTX77BP service manuals if exist.