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HCD-GTX999
HCD-GTX999
32
32
6-17. SCHEMATIC DIAGRAM - MAIN Board (2/3) -
• See page 48 for IC Block Diagrams.
4.1
4.5
4.5
4.5
4.1
4.5
2.7
5.4
2.7
2.1
2.1
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.7
3.8
5.4
9
5.4
6
0
0
0
5.4
3.8
5.4
5.4
5.4
5.4
5.4
3.8
5.4
5.4
2.7
2.7
4.4
2.7
2.2
1.8
2.4
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
9
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
0
0
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
10k
R218
0.1
C205
4.7k
R178
50V
0.47
C214
50V
2.2
C157
100
R168
0.22
C215
2SC3052EF-T1-LEF
Q134
50V
1
C147
0.01
C178
0.22
C132
10k
R134
50V
10
C114
100
R216
50V
2.2
C107
100
R166
3300p
C177
50V
10
C126
0.22
C183
22k
R115
50V
10
C181
4.7k
R177
100
R117
50V
10
C203
0.01
C128
4.7k
R127
4.7k
R128
C216 100p
50V
10
C212
50V
10
C164
100
R118
10k
R132
0.01
C201
50V
0.47
C208
50V
10
C218
50V
10
C117
680
R183
100
R167
100
R116
680
R133
100p
C172
0.22
C182
2SC3052EF-T1-LEF
Q184
100
R164
0.22
C133
22k
R165
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
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
50V
10
C166
50V
10
C176
10k
R184
50V
10
C118
1M
R215
50V
10
C213
50V
10
C202
50V
10
C131
100
R202
50V
10
C115
10k
R182
100
R217
50V
10
C209
50V
10
C116
100
R114
50V
10
C167
3300p
C127
0.01
C204
C217
100p
100p
C122
100p
C123
50V
2.2
C134
100p
C173
50V
10
C165
50V
10
C168
1.8k
R270
18k
R252
Q270
330
R278
820
R280
1500p
C251
16V
47
C265
47k
R272
10V
100
C268
2.7k
R273
330p
C252
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TC74LVX4051FT
IC205
0.1
C266
2SC5053T100Q
Q250
18k
R260
0
R342
18k
R291
2.2k
R290
18k
R254
Q271
50V
0.22
C256
0.1
C257
18k
R258
3.9k
R271
18k
R341
50V
0.22
C255
100
R274
33k
R250
100
R275
10k
R261
0.01
C271
50V
47
C270
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
M65850FP-E1
IC104
50V
10
C250
1500p
C262
R262
22k
0.068
C263
22k
R289
0.068
C254
470
R279
0.1
C267
100k
R251
1.2k
R277
50V
1
C260
10k
R281
18k
R253
0
R256
2.2k
R257
3300p
C258
0
R292
330p
C261
22k
R287
100
R276
50V
10
C174
50V
10
C124
50V
10
C125
50V
10
C175
0.047
C207
10k
R201
10V
220
C206
JR290
0
JR340
0
S
INK0001AC
Q252
S
INK0001AC
Q251
S
INK0001AC
Q285
MAZ8062G0LS0
D260
0.022
C179
0.022
C129
100k
R1112
100k
R1152
0
R1155
18k
R1158
0.056
C130
0.056
C180
0.01
C287
A03
VCC
A04
A05
VCC
A-GND5
B01
B04
B05
B03
GENESIS_R_OUT
VIDEO_R
AUDIO_R
GENESIS_L_OUT
S0
S1
S2
TUNER_R
MIC
AUDIO_L
VIDEO_L
TUNER_L
GENESIS_R_IN
GENESIS_L_IN
CD_L
CD_R
MULTIPLEXER
IC205
IC104
DIGITAL ECHO
MAIN BOARD (2/3)
A02
A01
SWITCHING
SWITCHING
SWITCHING
REGULATOR
BIAS AGC
BIAS AGC
A
H
17
11
G
5
D
4
12
B
14
C
15
16
2
6
I
E
9
7
8
3
F
10
13
1
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299