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55
HCD-GTX88
HCD-GTX88
• Refer to page 39 for Waveforms.
• Refer to page 69 IC Block Diagrams.
6-24. SCHEMATIC DIAGRAM — PANEL SECTION — • Refer to page 77 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
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
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
C956
1
F
C957
1
F
C963
1
F
1k
R942
C984
10
50V
C962
470p
B
C961
470p
B
C944
1
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
C958
220p
B
15k
R968
4.7k
R976
100
R979
680
R1014
1M
R1072
C925
0.1
F
C964
0.1
F
0
R1073
470
R1012
470
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
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
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
PANEL BOARD
Q917–919
FL DRIVE
Summary of Contents for HCD-GTX88
Page 103: ...103 HCD GTX88 MEMO ...