Schematic Diagram - Main Board (2/3) - Sony HCD-GTX999 Service Manual

HCD-GTX999
Q Q
3 7 6 3 1 5 1 5 0

6-17. SCHEMATIC DIAGRAM - MAIN Board (2/3) -

1 2 3
A
MAIN BOARD (2/3)
B
C
D
E
IC B/D
IC205 C260
F
50V
T E
L 1 3 9 4 2 2 9 6 5 1 3
MULTIPLEXER
IC205
TC74LVX4051FT
R274
100
S2 0
C GND
R275 100
S1
0
B VEE
R276 100
S0 0
A INH
R277 1.2k R273 2.7k
G
5.4 5.4
D3 D5
R278 330 R272 47k
3.8 5.4
D0 D7
R279 470 C270 47 50V
5.4 3.8
D1 COM
R280 820
5.4 5.4
D2 D6
R271
3.9k
5.4 5.4
VCC D4
R270
1.8k
H
C271
0.01
Q271
Q270
2SC3052EF-T1-LEF
2SC3052EF-T1-LEF
EFFECT CONTROL R281
EFFECT CONTROL
10k
4.4
5.4
R285
R286
10k
EFFECTOR_CTRL2 0
10k
0
EFFECTOR_CTRL1
I
R283
10k
w w w
HCD-GTX999
• See page 48 for IC Block Diagrams.
4 5 6 7
JR290
0
R287 R289
22k 22k
R292
0
2.2
R291
SWITCHING
18k
1.8 2.4
C287
R290 R341
0.01
2.2k 18k
5.4 4.4
SWITCHING
SWITCHING
1
R262
22k
2.7 2.7 2.7 2.7
IC B/D
R257 C258
R256
2.2k 3300p
0
IC104
DIGITAL ECHO
R258
2.7
18k
LPF2OUT GND
R1158 C261
C256 0.22 50V
18k 330p
2.7 2.1
LPF2IN
CC2
R260 18k C255 0.22 50V
C262
2.7 2.1
1500p OP2OUT CC1
C265 2.7 2.7
47 OP2IN OP1IN
C263 C254
16V
0.068 0.068
2.7 2.7
REF OP1OUT
R254 18k
3.8 2.7
CLK LPF1OUT
C252
330p
5.4 2.7
LPF1IN
VCC
C266
R253
0.1
18k
NC NC
R252
Q250
18k
2SC5053T100Q IC104
R251
REGULATOR M65850FP-E1
100k
5.4 9
R261
10k
6
C267
C268
0.1
100
10V
D260
MAZ8062G0LS0
x a o
. i
http://www.xiaoyu163.com
8 9 10 11
23 MAIN
(Page 31)
BOARD
(1/3)
C116
10
R116
50V
100
TUNER_L
C115
10
R115
50V
22k
CD_L
R342 JR340
0 0
C114
10
R114
50V
100
GENESIS_L_IN
C209
10
R202
50V
100
MIC
C208
0.47
50V
C203
C204
10
0.01
50V C201
C206
C205 C202 10 50V
220
0.1
C207
10V
0.047
Q Q R201
C164
3 7 10k
R164
10
100
50V
GENESIS_R_IN
C165
10 R165
50V 22k
CD_R
C166
10 R166
R1155
50V 100
0 TUNER_R
C257
0.1
C251
1500p
C250
10
50V
R250
33k
u 1 6 3
y
32 32
2 4
8 9 9
12 13 14
C118
C123
C122 C127
R127
10
100p 3300p 4.7k
100p 50V C131
10
C117
50V
10
R128 C130
50V
C126
R118 4.7k 0.056
R117 10 C107
100
100 50V 2.2
50V
IC B/D
42 41 40 39 38 37 36 35 34 33 32 31 30 29
C132
4.5 4.5
43 BB1L 28
TUNER-L
4.5 4.5
BB2L
44 CD-L 27
4.5 4.5
OUTL
45 GENESIS-L 26
4.5
IC101 AGCOUTL
46 25
MIC
4.5 4.5
47 AGCC 24
VC
4.5 INPUT SELECTOR, 4.5
SWOUT
48 REFOUT 23
ELECTRICAL VOLUME
4.5 0
CLK
49 REFIN IC101 22
0.01
0
R2A15216FP DATA
50 21
GND
9
51 AGCOUTR 20
VCC
4.5 4.5
OUTR
52 DPLL/SURL 19
4.5 4.5
BB2R
53 DPLR/SURR 18
6 3 1 5 1 5 0 8 C182 9 0.22
4.5 4.5
BB1R
54 17
GENESIS-R
4.5 4.5
55 VOLINR 16
CD-R
4.5 4.5
TUNER-R TONEOUTR
56 15
C157
2.2 50V
Q184
2SC3052EF-T1-LEF
1 2 3 4 5 6 7 8 9 10 11 12 13 14
BIAS AGC
C180
R167
0.056
R168
100
100
C172 R178
C176
C179 4.7k
100p C168
C167 10
0.022 C181
10 10 50V
10
50V
50V 50V
C178 R177
0.01
4.7k
C174 C212 C213
10 10 10
50V
50V 50V
m
c o
.
2
8 9 9
15 16 17
VCC
A-GND5
B01
Q134
R132
2SC3052EF-T1-LEF
10k
BIAS AGC
4.5
R134
10k
4.1
4.5
R1112
24
100k
0.22
C134
R133
C147 MAIN
2.2
C133
680 BOARD
1
50V
0.22
(3/3)
50V
(Page
C218
33)
C215 0.22 10
50V
C217
R218
100p B03
10k
R217 100
R216
100
C216 100p
B04
C183 0.22 R183
680
2 4 9 8 2 9 9
R182
10k
4.5
R184
10k
4.1
B05
R1152
4.5
100k
C214
0.47 50V
R215
1M