Mitsubishi Electric WD-52531 Service Manual page 61

Lcd protection hdtv
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1
2
3
PG 15....DM7 [DMPM8]
A
MSEPV
MPLLCLK
MHS
MCR[0-9]
MY[0-9]
MCB[0-9]
MREFH
MDCK
MSEPH
MCLMP
IC7G06
3.3VS
SC1566I5MT-2.5.TR
L7G06
6
221 OHM
1.8V
B
GND
3
5
C7G23
GND
VO
C7G25
0.1
220
R7G94
6.3V
L7G02
25V/16V
11K
4
2
C7G28
BLM18PG600SN1
ADJ
EN
1/16W
0.1
1
C7G30
25V/16V
220
C7G11
6.3V
0.47
R7G95
10V
22K
3A Reg.
1/16W
DGND
DGND
5VS
L7G01
10MH
7
6
5
4
L7G03
IC7G02
3Y
221 OHM
GND
3A
2Y
C7G03
TLC2932IPWRG4
C
47
6.3V
R7G10
C7G12
1
VDD
VCOVDD
14
C7G04
2.2K
100
0.1
16V
1/16W
25V/16V
2
SELECT
BIAS
13
C7G09
R7G05
0.1
4Y
4A 5Y
5A
47
25V/16V
1/16W
8
9
10
11
3
VC0OUT
VCOIN
12
R7G03
47
1/16W
4
FIN-A
VCOGND
11
R7G11
0
1/16W
5
FIN-B
VCOINH
10
IC7G05
R7G04
47
TC74HCT7007AF
1/16W
6
PFDOUT
PFDINH
9
R7G12
47
1/16W
7
GND
NC
8
R7G08
560
D
1/16W
10
9
8
7
R7G09
680
1/16W
C7G06
16V
0.1
C7G08
1
50V
11
12
13
14
IC7G04
DGND
TC74LVX244FT
SSEPH
E
R7GC0
R7GA5
0
0
1/16W
1/16W
R7GB9
0
1/16W
F
L7GA0
221 OHM
9VS
C7GA0
R7GA2
R7GA6
R7GB5
0.1
C7GA1
100
1.5K
1.5K
1.5K
25V/16V
1/16W
1/16W
1/16W
16V
VB=3.5V
VB=3.5V
VB=3.5V
R7GA3
R7GA7
R7GB4
390
390
390
DGND
DGND
1/16W
1/16W
1/16W
R7GA0
R7GA8
R7GB3
39
39
39
1/16W
1/16W
1/16W
SUB-Cb
Q7GA0
2SA1235A-T112-1E
Q7GA2
Q7GA4
SUB-Cr
2SA1235A-T112-1E,F
2SA1235A-T112-1E,F
L7GA1
IE=5mA
DGND
221 OHM
Q7GA3
DGND
2SC3052-T112-1E,F
DGND
Q7GA5
R7GA1
R7GA9
R7GB1
2SC3052-T112-1E,F
220
220
220
C7GA2
1/16W
1/16W
1/16W
0.1
14
25V/16V
C7GA9
Q7GA1
C7GA4
0.1
0.1
2SC3052-T112-1E,F
25V/16V
G
25V/16V
DGND
C7GA3
C7GA5
C7GB0
R7GA4
2.2U
R7GB0
2.2U
R7GB2
2.2U
180
6.3V
6.3V
180
6.3V
180
1/16W
DGND
1/16W
DGND
1/16W
C7GB3
25V/16V
0.1
DGND
DGND
DGND
1
DGND
SSEPV
H
8
7
6
5
8
7
6
5
R7G01
R7G06
68
68
1/16W
1/16W
I
C7G05
1
2
3
4
0.1
1
2
3
4
C7G10
25V/16V
0.1
25V/16V
C7G01
0.1
25V/16V
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
C7G07
0.1
J
25V/16V
C7G02
DGND
8
7
6
5
0.1
8
7
6
5
25V/16V
R7G02
R7G07
68
68
1/16W
1/16W
1
2
3
4
1
2
3
4
K
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4
5
6
L7G05
221 OHM
IC7G03
BA33BC0FP-E2
3.3V
1
VCC
3
OUT
C7G13
C7G15
C7G16
C7G17
47
GND
0.1
100
100
6.3V
2
16V
16V
25V/16V
DGND
DGND
R7G18
22
1/16W
R7G19
22
1/16W
R7G20
0
1/16W
R7G25
22
1/16W
3
2
1
1A
2A
1Y
6Y
6A
VCC
12
13
14
L7G04
BLM18PG600SN1
C7G19
0.1
25V/16V
R7G21
22
1/16W
R7G22
22
1/16W
L7G08
BLM18PG600SN1
C7G37
C7G33
R7G32
0.1
47
0
6.3V
25V/16V
1/16W
6
5
4
3
2
1
N4
C7G38
C7G34
R7G33
47
0.1
0
6.3V
25V/16V
1/16W
15
16
17
18
19
20
L7G07
BLM18PG600SN1
C7G39
R7G35
C7G35
0.1
47
C7G95
0
25V/16V
6.3V
0.1
1/16W
25V/16V
R7G17
22
1/16W
R7GB6
IC7G10
910
MAX4232AKA+T
1/16W
1 OUT1
VDD
8
R7GB7
910
2 IN1-
OUT2
7
1/16W
3 IN1+
IN2-
6
R7GB8
C7GB7
1.5K
0.1
1/16W
4 VSS
IN2+
5
25V/16V
C7GB5
C7GB6
0.1
0.1
DGND
25V/16V
25V/16V
DGND
C7GB4
DGND
2.2U
6.3V
TP7G02
TP7G03
SUBRB
DGND
SUBCM
13
12
11
10
9
8
IC7G09
SN74HC4066PWR
2
3
4
5
6
7
C7GB1
C7GB2
2.2U
0.01
6.3V
DGND
8
7
6
5
8
7
6
5
R7G23
R7G28
L7G09
68
68
BLM18PG600SN1
1/16W
1/16W
C7G32
0.1
C7G24
25V/16V
1
2
3
4
0.1
1
2
3
4
C7G20
25V/16V
0.1
25V/16V
C7G29
0.1
25V/16V
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC7G01
MT48LC2M32B2P-7
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
C7G22
C7G27
0.1
0.1
8
7
6
5
8
7
6
5
25V/16V
25V/16V
R7G24
R7G29
68
68
1/16W
1/16W
1
2
3
4
1
2
3
4
7
8
9
656ACLK,656AD[0-7]
R7G44
22
1/16W
R7G45
22
1/16W
DGND
R7G46
22
1/16W
67
66
65
64
63
62
61
60
59
58
57
3.3V
68
149
148
146
145
144
143
142
141
140
147
69
150
223
222
221
220
219
218
217
216
215
70
151
224
289
288
287
286
285
284
283
282
C7G55
0.1
25V/16V
71
152
225
290
72
153
226
291
C7G50
73
154
227
292
0.1
25V/16V
74
155
228
293
C7G61
0.1
25V/16V
75
156
229
294
323
322
321
C7G62
0.1
25V/16V
C7G40
C7G44
0.1
0.1
76
157
230
295
324
341
340
25V/16V
25V/16V
C7G63
0.1
25V/16V
C7G41
C7G45
77
158
231
296
325
342
351
0.1
0.1
C7G64
25V/16V
25V/16V
0.1
25V/16V
78
159
232
297
326
343
352
C7G59
0.1
25V/16V
C7G42
C7G46
0.1
0.1
25V/16V
25V/16V
79
160
233
298
327
344
345
C7G60
0.1
25V/16V
80
161
234
299
328
329
330
C7G52
300
0.1
81
162
235
305
306
307
25V/16V
C7G53
0.1
82
163
236
301
25V/16V
83
164
237
302
84
165
238
303
C7G54
0.1
25V/16V
C7G56
0.1
85
166
239
304
25V/16V
86
167
240
241
242
243
244
245
246
247
248
87
168
169
170
171
172
173
174
175
176
177
R7G13
0
95
88
89
90
91
92
93
94
96
97
98
1/16W
DGND
1
2
3
4
5
6
7
8
9
10
11
DGND
8
7
6
5
8
7
6
5
R7G42
R7G47
68
68
1/16W
1/16W
C7G36
C7G48
47
1
2
3
4
25V/16V
1
2
3
4
6.3V
0.1
C7G51
0.1
25V/16V
C7G43
25V/16V
0.1
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
IC7G07
MT48LC2M32B2P-7
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
C7G49
0.1
25V/16V
C7G47
5
6
7
8
0.1
5
6
7
8
25V/16V
R7G48
R7G43
68
68
1/16W
1/16W
4
3
2
1
4
3
2
1
10
11
12
DM2
DM2
656CCLK,656CD[0-7]
R7G69
0
R7G72
0
TP7G00
C7G85
0.1
56
55
54
53
52
51
50
49
48
47
46
45
25V/16V
DGND
139
138
137
136
135
134
133
132
131
130
129
44
C7G96
5
50V
DGND
212
214
213
211
210
209
208
207
206
205
128
43
281
280
279
278
277
276
275
274
273
204
127
42
C7G77
C7G83
0.1
0.1
25V/16V
25V/16V
272
203
126
41
C7G84
0.1
25V/16V
271
202
125
40
DGND
IC7G08
MB87S1730PB-G-ZEI
270
201
124
39
269
200
123
C7G69
38
0.1
25V/16V
320
319
318
317
268
199
122
37
C7G73
0.1
25V/16V
339
338
337
316
267
198
121
36
C7G74
1.8V
0.1
25V/16V
350
349
336
315
266
197
120
35
C7G75
0.1
25V/16V
353
348
265
196
119
34
335
314
C7G70
0.1
25V/16V
C7G92
346
264
195
118
33
347
334
313
C7G93
C7G71
0.1
25V/16V
331
332
333
312
263
194
117
32
C7G72
E-SCK
0.1
25V/16V
SDDQ[55]
308
309
310
311
262
193
116
31
C7G80
0.1
25V/16V
SDDQ[57]
SDDQ[54]
SDDQ[56]
261
192
115
30
DGND
SDDQ[52]
SDDQ[58]
SDDQ[53]
260
191
114
29
C7G81
0.1
25V/16V
SDDQ[60]
SDDQ[51]
SDDQ[59]
259
190
113
28
C7G82
0.1
25V/16V
SDDQ[49]
SDDQ[61]
C7G78
SDDQ[50]
0.1
25V/16V
258
189
112
27
SDDQ[45]
SDDQ[43]
SDDQ[41]
SDDQ[63]
257
188
111
26
249
250
251
252
253
254
255
256
178
179
180
181
182
183
184
185
186
187
110
25
99
100
101
102
103
104
105
106
107
108
109
24
12
13
14
15
16
17
18
19
20
21
22
23
DGND
DGND
8
7
6
5
5
6
7
8
8
7
6
5
5
6
7
8
R7G52
R7G59
R7G67
R7G68
33
33
33
33
1/16W
1/16W
1/16W
1/16W
1
2
3
4
4
3
2
1
1
2
3
4
4
3
2
1
8
7
6
5
8
7
6
5
R7G54
R7G65
68
68
1/16W
1/16W
C7G79
C7G68
1
2
3
4
0.1
1
2
3
4
0.1
25V/16V
25V/16V
C7G66
0.1
25V/16V
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
C7G67
C7G76
0.1
8
7
6
5
0.1
8
7
6
5
25V/16V
25V/16V
R7G55
R7G66
68
68
1/16W
1/16W
CONTENTS
1
2
3
4
1
2
3
4
PG 1.....BLOCK
PG 2.....POWER / INTERFACE
PG 3.....SIGNAL1 [TV MICRO]
PG 4.....SIGNAL2 [AUDIO / DC-DC]
PG 5.....SIGNAL3 [VID-AUDIO-SW]
PG 6.....SIGNAL4 [FMT-MICRO]
PG 7.....SIGNAL5 [TUNER]
PG 8.....SIGNAL6 [PIN-JACK] / MISC [CONTROL/E2P/FRONT/PREAMP]
PG 9.....DM1 [DMDCDC]
PG 10....DM2 [DMCORE]
PG 11....DM3 [DMMEMA/DC]
PG 12....DM4 [DMMEMB/USB]
PG 13....DM5 [DMROM/AV]
PG 14....DM6 [DMADC-DVI]
13
14
15
16
TPYS
1
TP7G01
1/16W
OSDSEL1
1/16W
R7G76
22 1/16W
PHOUT
PVOUT
PCLKOUT
R7G77
PENOUT
22 1/16W
R7G80 22 1/16W
YOUT[7]
R7G78
22
1
8
1/16W
YOUT[6]
2
7
R7G79
YOUT[4]
3
6
22
1/16W
YOUT[3]
4
5
R7G81 22 1/16W
YOUT[5]
4
5
YOUT[2]
3
6
CBOUT[7]
2
7
CBOUT[4]
1
8
R7G82 22 1/16W
YOUT[1]
1
8
YOUT[0]
2
7
CBOUT[6]
3
6
CBOUT[5]
4
5
R7G83 22 1/16W
CBOUT[3]
1
8
CBOUT[2]
2
7
CBOUT[0]
3
6
CROUT[7]
4
5
R7G84 22 1/16W
C7G88
0.1
CBOUT[1]
25V/16V
1
8
CROUT[6]
2
7
CROUT[5]
C7G89
0.1
3
6
25V/16V
CROUT[4]
4
5
C7G90
0.1
25V/16V
R7G85 22 1/16W
C7G91
0.1
25V/16V
8
1
E-SRD
E-SWD
7
2
C7G87
6
3
E-SCK
100
16V
DGND
5
4
E-SCS
0.1
25V/16V
0.1
25V/16V
R7G86 22 1/16W
CROUT[3]
8
1
E-SRD
CROUT[2]
E-SWD
7
2
CROUT[1]
E-CS
6
3
CROUT[0]
5
4
DPMCLKON
R7G93
L7G10
10K
221 OHM
OEorST
VCC2
1/16W
1
4
C7G65
R7G51
25V/16V
22
0.1
1/16W
2 GND
OUT
3
C7G58
1U
10V/16V
X7G01
DGND
DSO751SV 27.000MHZ
PCLKOUT,PENOUT,PHOUT,PVOUT
YOUT[0-7]
CBOUT[0-7]
CROUT[0-7]
WD-52531 V32
WD-62531 V32
PG 15....DM7 [DMPM8]
WD-62530 V32L
PG 16....DM8 [DM-HDMI]
PG 17....DM9 [DM-AUDIO]
PAGE 15

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