Read Sony DSC-U20 Service Manual online
DSC-U20
COVER
COVER
4-2. SCHEMATIC DIAGRAMS
4-3. PRINTED WIRING BOARDS
4-2. SCHEMATIC DIAGRAMS
4-3. PRINTED WIRING BOARDS
MOUNTED PARTS LOCATION
MOUNTED PARTS LOCATION
4-39
4-40
For Printed Wiring Board.
•
•
:Uses unleaded solder.
• TY-15 board is 8-layer print board. However, the pattern of
layers 2 to 7 have not been included in the diagram.
• There are a few cases that the part isn't mounted in this
model is printed on this diagram.
• See page 4-61 for printed parts location.
TY-15
TY-15 (CAMERA DSP, MAIN CPU, MEMORY, LENS DRIVE, HI CONTROL)
1
2
22
23
CN906
1
25
2
24
CN903
1
8
CN907
D201
C404
C422
C624
C901
C905
Q402
Q901
Q607
D
S
G
Q902
X403
24 23 2 1
3
4
21
22
20 19 6 5
18 17 8 7
9
11
13
16
15 14 12 10
L401
X603
LND901
IC401
23 25 28 29 32 35 38 40
43
41
39
36
33
30
27
24
21
20
18 19 22 26 31 34 37 42 44 45
48
47
46
49
54
57
64
62
65 63
61
59
56
53
50 51
52
55
58
60
66
67
68
71
70
69
72
74
73
76
77
75
78
79
2
6
9
12
15
17
14
10
7
1
4
80
3
5
8
11
13
16
X401
Q201
Q202
Q204
Q403
Q601
C238
D202
D901
X402
L201
L602
Q903
L604
L901
L902
L903
FB202
FB601
C908
FB902
7
8
14
IC206
1
7
8
14
L202
B
C902
B
C903
P
C219
P
C639
P
C650
R207
R208
R211
R212
R213
R214
R215
R219
R220
R690
R223
R224
R225
R229
R230
R231
R234
R241
R242
CL901
R431
R433
R434
R436
R436
R637
R639
R642
R663
R665
R903
R904
R253
R254
R255
R443
R617
R618
R905
R906
R907
C203
C205
C207
C209
C210
C211
C212
C213
C214
C215
C216
C217
C218
C233
C237
C405
C410
C413
C420
C421
C907
C633
C634
C648
C649
C906
C206
C208
C231
C411
R205
R206
R206
R222
R226
R227
R228
R232
R233
R239
R403
R404
R405
R407
R408
R410
R411
R412
R415
R416
R417
R420
R425
R426
R430
R432
R435
R437
R438
R439
R442
R444
R451
R453
R454
R455
R455
R458
R612
R650
R652
R460
R901
R902
C412
1
IC202
7
8
14
IC204
1-686-577-
11
TY-15 BOARD (SIDE A)
A
B
05
2
1
3
4
5
K
A
5
4
6
2
50
1
51
CN901
2
32
1
33
CN904
1
6
CN908
2
30
31
1
CN902
IC602
78 77
79
80
83 82
83 82
85
87
91 89
91 89
94
95
99 98
99 98
102
103
107 106
107 106
109
111
113 115
113 115
119
117
123
122
127
125
130
131
135 133
135 133
137
139
141 143
141 143
146
149
150 147
150 147
152
151
75 70 67 63 59 55 68 51 47 43 39 35 31 27 23 17 13 9 6 4 2
1
300
7
11
15
19
22
26
30
34
38
42
46
50
53
57
61
65
72
73
76
74 69 66 62 58 54 49 45 41 37 33 29 25 21 18 14 10
5 3
81 71 64 60 56 52 48 44 40 36 32 28 24 20 16 12 8
86
90
93
97
86
90
93
97
101
105
110
114112
105
110
114112
108
104
100
96
92
88
84
297
292
288
284
280
276
272
266
264 268
292
288
284
280
276
272
266
264 268
269
274
278
282
286
290
293
296
304
303
301
301
302
299 298
299 298
294
295
289 291
289 291
287
285
283
281
277 279
277 279
275
273
270 271
270 271
118116
120
121
126124
126124
128
129
134132
134132
136
138
142140
142140
144
145
148157
148157
160
161
161
164
165
165
168
170
170
172
174
174
176
178
178
180
181
181
184
186
186
188
190 194
190 194
192 196
198
200
201
201
204
206
206
208
210
210
212
214
214
216
217
217
260
256
252
248
244
242
236
233
221 220
256
252
248
244
242
236
233
221 220
224
238
240
246
250
254
258
262
265
261
257
253
249
245
241
237
234
231 232
261
257
253
249
245
241
237
234
231 232
235
239
243
247
251
255
259
263
267
230
229
227
228
228
225
226
226
222
223
223
219
218
218
215
213
213
211
209
209
207
205
205
203
202
202
199
197
197
195
193
193
191
189
189
187
185
185
183
182
182
179
177
177
175
173
173
169
171
171
167
166
162
163
163
159
158
155
156
156
153
154
154
3
4
1
1
2
IC403
2
3
4
1
1
R688
D402
1
2
3
IC606
3
2
1
5
4
C401
C402
C636
C638
C645
C904
LND601
LND602
LND603
LND604
LND605
LND606
LND607
LND608
LND609
LND610
LND611
LND612
LND613
D
G
S
Q401
IC402
5
8
1
4
IC604
8
1
4
5
C423
Q404
Q405
Q604
Q605
Q606
K
A
D902
IC605
4
3
2
1
X601
L601
L904
FB602
FB603
R689
P
C640
P
C643
P
C644
R421
R428
R429
R626
R627
R628
R630
R631
R632
R673
C406
C408
C409
C418
C419
C601
C602
C603
C605
C606
C607 C608
C609
C611
C613
C614
C616
C617
C619
C620
C621
C622
C623
C625
C626
C627
C628
C629
C630
C631
C632
C635
C637
C641
C642
C646
C647
C651
C403
C407
R401
R402
R406
R409
R413
R414
R418
R419
R422
R423
R424
R449
R450
R452
R459
R601
R604
R605
R607 R608
R609
R610
R615
R616
R625
R629
R633
R634
R635
R636
R638
L605
R646
R647
R648
R657
R658
R659
R660
R666
R667
R670
R671
R672
R674
R680
R681
R683
R684
R685
R687
R908
IC603
22
21
23
23
24
25
26
28
27 31
32
30
29
20
19
17
18 15
14
16
10
33
34
36
35 38
37
39
40
9
13
12
11 7
8
6
5
44
43
41
42 46
45
47
48
1
2
4
3
CL601
CL602
CL603
R691
R692
R693
R694
CL604
1-686-577-
11
TY-15 BOARD (SIDE B)
A
B
05
2
1
3
4
5
(MS ACCESS)
3
2 1
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