Schematic Diagram - Panel Section - Sony HCD-GTX66 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
6-24. SCHEMATIC DIAGRAM — PANEL SECTION — • Refer to page 74 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
T E
L 1 3 9 4 2 2 9 6 5 1 3
80
C965 4.7 50V
R981
R1013
680
R1012
Q920
680
DTC123JKA-T146
USB ACCESS LED
0.3
0.1-0.5
CN956
2 1 2P
M
(Page 49)
w w w
HCD-GTX66/GTX77
• Refer to page 39 for Waveforms.
• Refer to page 66 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 45
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 10
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
-32.6
48
VKK
3.3
C951 F
49 MD0
0.1
50
MD1/VDD-VFT
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 71
C953 R953
R962 R963
R969 R970 R971 R972 R973
0.1 10k
100 100 C964 100 100
100 100 100
F
0.1
F
JL950
CN957
8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8
8P
x a o
y
. i
http://www.xiaoyu163.com
ND900
VACUUM FLUORESCENT DISPLAY
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
9 8 7 6 5 4 3 2 1
Q918
RT1N430C
3.8
-31 100 0
G15 100
-31
99
G14
99
-30.6
-31 98
G13 98
Q919
-31 97
G12
97 RT1N430C
-31 96
G11 96
-30.9
-31 95
G10
95
-31 94
G9 94
-31 93
G8
93
-31
92
G7 92
R1074
-31 91
R1075
G6 91 100k
100k
Q Q
-31
90
G5 90
3 7 6
-31 89
G4
89
-31
88
G3
88
R1073 C926
C925
-31 87
0 470
G2 87 0.1
6.3V
F
-31
G1
86
X900
NO USE 85
4MHz
3.3
VCC-CPU
84
1.3
R1072
X1 83
1M
1.3
X0
82
VSS-CPU 81
72 73 74 75 76 77 78 79 80
1
R974
100
R975
100
C979
0.1
R977 R979
100
10k
C985
1
CN900
F
25P
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 C944
1
F
R940 R942 R943
1k 1k 1k
JL1078
N
11 12 13 14
(Page 57)
IC B/D
C942
10 9 8 7
0.1
u 1 6 3
F
IC902
C941 C939 C938
C940
0.022 0.022
0.047 0.047
B
B B B
R939
R938
10k 5.6k
55 55
http://www.xiaoyu163.com
2 4
8 9 9
R929 R930
100 100
-36.0V
D900
UDZW-TE17-6.8B
C974
R931
0.01
10k
Q917–919
FL DRIVE
IC901
3.8 D903
MA111-TX
-31
IC901
NJL24H400A
R1076
100k
D901
3 1 5 1 5 0 8 9
1 3 2
MA111-TX
C931
C928
C927 C930 1000p
470 470 0.01
B
6.3V B
6.3V
D902
CN906
MA111-TX
17P
C932
77 JL901
47
R951 17
10V
47 JL902
61
16
60 JL903
15
JL904
14
JL905
13
12
11
JL908
10
JL909
9
JL910
8
7
JL912
6
JL913
5
JL914
4
JL915
C946
0.1 3
JL916
F
2
JL917
1
JW901
C956 C957
1 1
F F
C963 C984
10
1
50V
F
R944 R945
1k
1k
C962 C961
470p 470p
B B
15 16 17 18 19 20
m
6 5 4 3 2 1
c o
C933
C934
1 1
F F
C937 C936
4700p 4700p
.
B
B
C935
R934 R933
33k 10
56k
50V
R937 SPEANA
6.8k
R935
2.7k
HCD-GTX66/GTX77
2
8 9 9
2 4 9 8 2 9 9
GC RESET
IIC CLOCK
IIC DATA
SIRCS
KEY INT DISPLAY
KEY INT POWER
POWER LED
GC GND
F
LED +9V
(Page 47)
LED GND
BPM LOW
EVER +4V
VF(2)
VF(1)
VG
SPEANA GND
SPEANA