Schematic Diagram - Panel Section - Sony HCD-GTX88 Service Manual

6-24. SCHEMATIC DIAGRAM — PANEL SECTION — • Refer to page 77 for IC Pin Description of IC900.
PANEL BOARD
1 6 7 8 9 10 11 12 13 14 15 16 17
JL1017
C924
C923
10
0.01
50V
Q901-903
LED DRIVE
LED +9V 9.1 5.4
Q901
2SB1132 Q903
R946 8.5
2SB1132
220
9.1 4.9
R949
220 8.7
R948
1.5k
R952
1.5k
Q900
Q902
DTC123JKA-T146
DTC123JKA-T146
2.7 4.7
1.6 2.7
80
R1014
680
R1013
470
R1012
Q920
470
DTC123JKA-T146
USB ACCESS LED
0.3
0.1-0.5
CN956
2 1
2P
M
(Page 49)
HCD-GTX88
• Refer to page 39 for Waveforms.
• Refer to page 69 IC Block Diagrams.
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
C959
R983
0.01
0 +3.3V
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11
31
-20.6
31 P16
32 -29.3
32
P15
33
-30.8
33 P14
34
-27.7
34 P13
35 -26.4
35
P12
36
-22
36 P11
37
-32.2
37 P10
38 -32.2
38
P9
39
-39.2
IC900
39 P8
40
-23.5
40 P7 IC900
MB90M407PF-G-151E1
41 -29.2
41
P6
42 VSS-IO
43
-22
43 P5
44 -20.7
44
P4
45
-22.2
45 P3
46
-23.6
46 P2
47 -30.7
47 P1
C965 4.7 50V
-32.6
48
VKK
3.3
C951 F
49 MD0
0.1
50 MD1/VDD-VFT
R981 10k
3.3
C952 F
0.1
R982
10k
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70
C953 R953
R962 R963
R969 R970 R971 R972
0.1 10k
100 100 C964 100 100
100
F 0.1
F
JL950
CN957
8 7 6 5 4 3 2 1 1 2 3 4 5 6 7
8P
ND900
VACUUM FLUORESCENT DISPLAY
45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 70
C966
10
50V
Q917
RT1N430C
3.8
-30.6
-30.6
10 9 8 7 6 5 4 3 2 1
Q918
RT1N430C
-31 100 0
G15
100
-31 99
G14 99
-31 98
G13 98
-31 97
G12
97
-31
96
G11 96
-31 95
G10 95
-31 94
G9 94
-31
93
G8 93
-31 92
G7
92
R1074
-31 91
G6
91 100k
-31
90
G5 90
-31 89
G4 89
-31 88
G3 88
R1073
C925
-31
87 0
G2 87 0.1
F
-31
G1
86
X900
NO USE 85
4MHz
3.3
VCC-CPU
84
1.3
X1 R1072
83
1M
1.3
X0
82
VSS-CPU
81
71 72 73 74 75 76 77 78 79 80
1
R974
100
R975
R973 100
C979
100
100
0.1
R977 R979
100
10k
CN900
25P
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 C944
1
F
R940
1k
JL1078
N
11 12 13
(Page 57)
IC B/D
C942
10 9 8
0.1
F
IC902
C941
C940
0.047 0.047
B B
R939
10k
55 55
R930
R929
100 100
-36.0V
D900
UDZW-TE17-6.8B
C974
R931
0.01
10k
3.8
Q917–919
FL DRIVE
-30.6
IC901
Q919
RT1N430C
3.8 D903
MA111-TX
-30.9
-31
IC901
NJL24H400A
R1076
R1075
100k
100k
D901
1 3 2
MA111-TX
C931
C926 C927 C928 C930
1000p
470 0.01
470 470 B
6.3V
6.3V 6.3V B
D902
MA111-TX
C932 JL901
77
47
R951
10V
47 61 JL902
60 JL903
JL904
JL905
JL908
JL909
JL910
JL912
JL913
JL914
JL915
C946
0.1
JL916
F
JL917
JW901
C985 C956 C957
1 1 1
F F F
C963 C984
1 10
F 50V
R942 R943 R944 R945
1k 1k 1k 1k
C962 C961
470p 470p
B
B
14 15 16 17 18 19 20
7 6 5 4 3 2 1
C934 C933
1 1
F F
C939 C938 C937 C936
0.022 4700p 4700p
0.022
B
B B
B C935
R934 R933
33k 10
56k
50V
R937 SPEANA
R938
6.8k
5.6k
R935
2.7k
HCD-GTX88
CN906
17P
17 GC RESET
16 IIC CLOCK
15 IIC DATA
14 SIRCS
13 KEY INT DISPLAY
12 KEY INT POWER
11 POWER LED
10 GC GND
F
9 LED +9V
(Page 47)
8 LED GND
7
BPM LOW
6 EVER +4V
5 VF(2)
4
VF(1)
3 VG
2 SPEANA GND
1
SPEANA