Sharp 70GS-64SDE, Руководство по обслуживанию

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24
70GS-64S
(YA)
CN12
85CE
A15
+5V
+
3
.3V
+3.3V
+3.3V
+5V
+3.3V
+16
V
-16V
+5V
-16V
-16
V
+16V
+16V
+5V
+5V
+5V
+5V
+3.3V
+5V
+8V
+5V
+
3
.3V
+5V
+5V
+8V
+5V
+5V
+25V
+3.3V
H.V. 27.
5
KV
CRT GND SOCKET
G2
DUNTK7240B
M
X
5
LEDOPC LED
SC2OUTR SC2OUTL SC1OUTR SC1OUTL
D3 D4
D2
A12
D5
D1
D6
D0
D7A0
A1 A2
OE
A
3
A4
A7
A5
A6
A6
A5
SC2INL
A7
A4
A12
SC2INR
A3
A17
A15
A2
I2SIN
A18
A16
A1
SC1INL
I2SOUT
A0
I2SWS
SC1INR
I2SCL
H
SDA SCL
A19
L/L' BG/L
RS
D7 D6 D5
VS
D4
SELFI
SC
D0
AV1 D1
AV2 D2
AV3 D3
HEADL
HEADR
MUTE
TLTXT
SCL
SDA
RES2
MUTE
RES2
HEADL
HEADR
PROT
VI1
VI2
GND GND
FOCUS
AGC
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
IC304 M
5218L
+12V
8
OUTL
7
-INL
6
+INL
5
GND
4
+INR
3
-INR
2
OUTR
1
C351 220uF (25V)
R208 1K
R209 3K3
R350 10K
R353 150
R357 150
R358 100K
R361
10K
C350 100nF
C360 560pF
C375 560pF
R1039 100
D1001 PX0105
1 2
3
Q1002 2SC2412
R1040 100
7 8 9 10 11 12
C361
470nF
(FZ)
Q303
2SC2412
C377 1uF
R360
10K
C369 100pF
R356 12K
C373 100nF
C367 100nF
R354
10K
R355
27K
C371
1nF
L316 3.3uH (CF)
C378 220uF (25V)
C379 100nF
L350
3.3uH
(CF)
C354 100pF
R352 12K
C353
100nF
C359 4.7nF
C358 100nF
C356 330nF
C357
1nF
C362 2.2uF
L351 3.3uH (CF)
C363 220uF (25V)
L315 3.3uH (CF)
C366 100nF
C365 220uF
(25V)
C364 100nF
IC301
TDA748
0
1 2 3 4 5 6 7 8 9 10
20 19 18 17 16 15 14 13 12 11
IC302 TDA748
0
1 2 3 4 5 6 7 8 9 10
20 19 18 17 16 15 14 13 12 11
C368 100nF
C374 4.7nF
C321 100nF
C331 100nF
L301
10uH
(DF)
C332 330uF (10V)
C334 5pF C335 5pF
C330 47pF
C327
100nF
C326 10uF
(16V)
R323 100K
R318 100K
R322 100K
C325 330nF
C324 330nF
C323 330nF C322 330nF
C314 10uF
(16V)
C313 10uF
(16V)
R320 100
R303 100
R302 100K
R301 100K
R304 100
R312 22K
R1038
100
R1037
4K7
C336 10nF
R316
390
R317
390
R309 22K
R311 100K
C1026 10nF
R1046 1K8
C1014 100nF
R1045
8K2
R1042
8K2
C1018 100nF
R1024
8K2
R1025
8K2
L201 12uH
(DF)
C376 470nF
R1036
4K7
R359 100K
R1027 10K
R306
100
R307
100
R315 100
C328 100nF
C329 47pF
C341 220nF
R308 100
C337 10nF
X301 B0203 18,432MHz
R505
L352 P0278
L353
P0278
C380 47nF
Q304
2SA1037
R1053 100K
R1003 3K3
Q1006
2SC2412
R1043
8K2
R1054 100K
Q1007
2SC2412
R362 4K7 R363 4K7
R375 47K
Q305 2SC2412
R372 10K C370 330nF
C372
2.2uF
D301
DX0551
R376 4K7
R1047
10K
Q1004
2SA1037
R
31
4
100K
R313
1K
C320 1nF
R310
1K
C340
220nF
R319 100
C305 10uF (16V)
C343 10uF
C342 10uF
C306 10uF
(16V)
R1044
10K
C319 1nF
C339 100nF
R1049
10K
C1032 2.2uF
R1021 4K7
C352 100nF
D1009 DX0551
C1033 68nF
D302
7V5
EX0549
D304
7V5
EX0549
D305
7V5
EX0549
R1032 27K
C311
330uF (10V)
C316
100nF
IC100
1
S
T
10
R
272L
IX
1686
B
M
EA
VDD
38
VSS
39
RPD
40
D0
41
D1
42
D2
43
D3
44
D4
45
A14
75
A13
74
A12
73
A11
72
A10
71
VSS
70
VDD
69
A9
68
A8
67
A7
66
A6
65
A5
64
A4
63
A3
62
A2
61
A1
60
A0
59
P0H.7
58
HOUT
57
RES2OUT
56
P6.6
88
P6.5
87
P6.4 SCL2
86
P6.3 SELV
85
P6.2 SLW1
84
P6.1 SLW2
83
P6.0 SLW3
82
NMI
81
D5
46
D6
47
D7
48
VDD
49
VSS
50
SELFI
51
BG/L
52
L/L'
53
RESOUT
54
ROT OUT
55
A15
76
VSS
77
VDD
78
RSTIN
79
RSTOUT
80
IC305
M
S
P
3400D
IX1837B
M
AUD_CL_OUT
1
NC
2
NC
3
D_CTR_OUT1
4
D_CTR_OUT0
5
ADR_SEL
6
STBY
7
NC
8
SCL
9
SDA
10
I2SCL
11
I2SWS
12
I2SDAOUT
13
I2SDAIN
14
ADR_DA
15
ADR_WS
16
ADR_CL
17
DVSUP
18
DVSS
19
I2S_DA_IN2
20
NC
21
NC
22
NC
23
RESET
24
DAC_R
25
DAC_L
26
VREF2
27
DACM_R
28
DACM_L
29
NC
30
NC
31
NC
32
NC
64
XTAL_OUT
63
XTAL_IN
62
TESTIO1
61 60
ANA_IN-
59 58
AVSUP
57
AVSS
56
MONO_IN
55
VREFTOP
54
SC1_IN_R
53
SC1_IN_L
52
ASG1
51
SC2_IN_R
50
SC2_IN_L
49
ASG2
48
SC3_IN_R
47
SC3_IN_L
46
ASG4
45
SC4_IN_R
44
SC4_IN_L
43
AGNDC
42
AHVSS
41
CAPL_M
40
AHVSUP
39
CAPL_A
38
SC1_OUT_L
37
SC1_OUT_R
36
VREF1
35
SC2_OUT_L
34
SC2_OUT_R
33
D1002 PX0105
1 2
3
R373 10K
R1005
4K7
1003 0606 A
S85
R205
C439 100pF
C440 100pF
J301 KJ0047CE
1
5
4
3
2
6
7
(SP)
G
N
04
41CE
IC1002 M27C801
IX1711BM
VPP
1
A16
2
A15
3
A12
4
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0
12
D7
21
E
22
A10
23
OE
24
A11
25
A9
26
A8
27
A13
28
A14
29
A17
30
A18
31
VCC
32
D0
13
D1
14
D2
15
VSS
16
D3
17
D4
18
D5
19
D6
20
R351 27K
1 2 3 4 5 6
C427
JUMP-SMD
JF12 JMP-SMD Q408 JMP-SMD
JF11 JMP-SMD
R504
R468 JMP-SMD
R1056
C387 470pF
C386 470pF
J166
33.
J165
33.
J16733. J168
33.
C333 47pF
C309
1nF
IC100
5
PST52
9
.
2
.
1
.
3
R374 47K
C310
1nF
C1028 100nF
Q1001 2SC2412
C312
100nF
R321 100K
Q302 2SC2412
Q306 2SC2412
Q1003 2SC2412
C315
3.3uF
C1031 10nF
L317
3.3uH
(DF)
C1005 100nF
C338 100nF
D303
7V5
EX0549
5
7
1
SCREEN
CRT
5
7
1
D1809 1N4004 DX0501
L1801 47uH P0276BM
C1814 4.7nF
PB3DE472Z
(2KV)
9
13
11
12
13
1 2
3
4 5 6 7
R
Q
P
O
N
M
L
K
J
SCHEMATIC DIAGRAM OF MOTHER UNIT (K7240N7), 01 Version.
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