Schematic Diagram - Display Board - Sony HCD-GTX999 Service Manual

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3 7 6 3 1 5 1 5 0

6-30. SCHEMATIC DIAGRAM - DISPLAY Board -

1 2 3
DISPLAY BOARD
A
B
C
CN706
17P
VF1 17
D
VF2
16
VG
15
D-GND 14
D-GND 13
D+3.3V
12
SA SIGNAL
11
D+3.3V 10
H
GC DATA 9
E
GC CLK 8
MAIN
BOARD SIRCS
7
(3/3)
GC RST
CN201 6
(Page 33)
POWER KEY 5
DISPLAY KEY 4
S701
STBY LED
3
DISPLAY
M+12V
2
F
M-GND 1
T E
L 1 3 9 4 2 2 9 6 5 1 3
C705
100
16V
C706
0.1
G
H
CN703
17P
KEY GND 1
VOLUME 2
KEY3 3
I
KEY2 4
KEY1 5
KEY0 6
LED GND 7
S
LED SEG6 8
LED SEG5 9
KEY(CENTER)
LED SEG4 10
BOARD
LED_SEG3 11
CN601
(Page 39)
LED_SEG2 12
J
LED_SEG1 13
LED_SEG0 14
LED GND 15
LED SEL B 16
LED SEL A 17
K
w w w
L CN704
5P
STANDBY LED 1
U
POWER SW 2
DGND 3
KEY(LEFT)
LED BAR 1 4
BOARD
NO855 LED BAR 2 5
(Page 41)
M
HCD-GTX999
• See page 35 for waveforms. • See page 48 for IC Block Diagrams. • See page 55 for IC Pin Function Description.
4 5 6 7
MAZ8075GMLS0
IC711 NJL24H400B
IC711
REMOTE CONTROL
RECEIVER
1 2 3
C701
C702
100
0.1
10V
C711
R711
100 0.22
C765 C764 C763 C762 C761
1 1 1 1 1
C768
2.2
50V
C759
10
50V
R756
2.7k
C767 C766
470p 470p
IC B/D
R757
1k R772
R761 R760 R759 R758
IC751
33k
1k 1k 1k 1k
R773
3.3k
BAND-PASS
R774
FILTER 3.3
3.3k
R775
20 19 18 17 16 15 14 13 12 11
3.3k
R777
3.3k
C782
IC751
1000p
NJM2760V-TE2
1 2 3 4 5 6 7 8 9 10 C783
0.1
C784
0.1
C760 C785
0.1
0.1
C788
C751 C755 C758
0.1
1 0.022 0.047
C752
C756 C757
R751 1 C754
R755
0.022 0.047
33k 4700p 10k
R752 56k R753 6.8k R754 5.6k
R714
100
Q701
RT1P137L-TP
11.8 5.4
Q703
Q701,702
RT1P137L-TP
REGULATOR
11.8 5.1 7.4
Q702 7.4
RT1N141C-TP-1
1.2
Q703,704
REGULATOR x a o
7.4
y
1.2
Q704
RT1N141C-TP-1
. i
4
1.6
Q705
RT1N141C-TP-1
LED DRIVE
http://www.xiaoyu163.com
8 9 10 11
1 6 7 8 9 10 11 12 13
R725 R1725 R726 R1726
5.6k 5.6k 15k 15k
D721
R722
220
C721
R723 R721
10
33k 220
50V
80 79 78 77 76 75 74 73 72 71 70 69
81 NC
R765 R785
82 NC
3.3k 3.3k
83 NC
84
NC
1.7
85
SPEC-IN
0.1
86 BPF1
0.1
87 BPF2
0
Q Q
88
BPF3
3 7 6
0
89
BPF4
0.2
90 ALL-BAND
R791 100 0
R792
91 OPERATION DIAL
100
2.5
92
VOLUME JOG
3.3
R793 100
93
KEY3
R794 100 3.3
94 KEY2
R795 100 3.3
95 KEY1
R797
96 AVSS
100
3.3
97
KEY0
98
VREF
3.3
99 AVCC
C798
100
0.1
1 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
R712
R701
100k
100
R702 100
R703 100
C712
1000p
R709
10k
u 1 6 3
.
43 43
2 4
8 9 9
12 13 14 15
32 33 34 35 36 37 38 39 44
FL721
FLUORESCENT
INDICATOR TUBE
R727 R1727 R728 R1728
12k 12k 22k 22k
C723 C722
C797
C799
0.1
100 10
0.1
10V 100V 50V
C774
0.1
3.3
68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
NC 50
NC 49
NC 48
R746
47
NC
10k
0
46
PULL UP
NC 45
NC 44
IC701
43
NC
3 1 5 1 5 0 8 9 2
R741
42
DISPLAY NC 10k
0
CONTROLLER
PULL DOWN 41
IC701
NC 40
R5F3640DDFAR
39
NC
38
NC
2.2
VFD_CLK 37
0
VFD_LATCH 36
0.2
VFD_DATA 35
0
34
CTS/RTS
0
33
CLK
0
RXD 32
0
TXD 31
R717 C716
10k 0.1
C717
R713
100
0
10V
R729 R730
100 100
X701
5MHz
R781 R782
220 330
S702
m
c o
HCD-GTX999
2
8 9 9
16 17 18 19
Q741
2SC3052EF-T1-LEF
SWITCH
1.4
R745
1k
0.4
R744
10k
D742
MC2836
IC B/D
IC741
DATA
SELECTOR
R743
47k
C743
0.1
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8
4 9 8 2 9 9
C742
0.1
R742
47k
C741
0.1
CN701
9P
1 D-GND
2 TXD
R734 100
3
RTS
R733 100
4
D+3.3V
R732 100
5 CLK (NC)
R731 100
6 RXD
R715
7
CNVss
100
8
RESET
9 D-GND
CN705
4P
1 SHUFFLE PLAY KEY
V
2 GND
3
LED SEL B
KEY(RIGHT)
BOARD
4 LED BAR 1
NO851
(Page 41)