Read Sony DSC-U20 Service Manual online
DSC-U20
COVER
COVER
For Schematic Diagram
• Refer to page 4-39 for printed wiring board.
• Refer to page 4-58 for waveforms.
• Refer to page 4-39 for printed wiring board.
• Refer to page 4-58 for waveforms.
4-11
4-12
TY-15 (1/4)
4-2. SCHEMATIC DIAGRAMS
TY-15 BOARD
4-2. SCHEMATIC DIAGRAMS
TY-15 BOARD
NO MARK:REC/PB MODE
:Voltage measurment of the CSP ICs
and the Transistors with mark,are
not possible.
and the Transistors with mark,are
not possible.
2.2
2.9
2.9
2.9
4
1
2
3
(2/4)
1
2
(2/4)
MS
MS
USB
MS
MS
USB
USB
USB_3.1V
USB_1.5V
1
D_1.5V_1
D_1.5V_2
D_2.8V_1
D_2.8V
A_2.8V_1
REG_GND
CAM_DD_ON
FB601
R601
0
1k
R612
R636
XX
1M
R665
R647
XX
R648
XX
0.5%
27k
R628
0.5%
33k
R626
0.5%
22k
R627
0
R629
1k
R604
1k
R605
1k
R607
1k
R608
1k
R609
1k
R610
0.5%
R630
1500
0.5%
R632
1500
1500
0.5%
R631
1500
1500
2200
R634
2200
R635
2200
R638
2200
R652
100k
R650
R667 2200
R666
1k
27
0.5%
R617
27
0.5%
R618
47k
R616
47k
R615
1k
R663
1k
R633
0
R625
0
R659
0
R658
1k
R657
0
R646
22
R642
22
R639
22
R637
0
R660
0
R680
XX
R681
XX
R683
XX
R684
47k
R685
1k
R687
0
R688
0
R689
330
R908
10u
6.3V
C624
4V
22u
C650
5p
C633
7p
C634
0.1u
C626
0.1u
C631
0.1u
C625
0.1u
C629
0.1u
C613
0.1u
C611
0.1u
C614
XX
C608
XX
C607
XX
C606
XX
C605
0.1u
C603
0.1u
C602
0.1u
C630
0.1u
C617
XX
C627
0.1u
C621
0.1u
C616
0.1u
C609
0.1u
C601
0.1u
C622
0.1u
C623
0.1u
C632
0.1u
C628
0.1u
C619
0.1u
C620
XX
C648
0.1u
C649
0.1u
C651
IC602
CXD3159GA-T6
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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144
44
52
43
51
42
50
41
49
40
48
39
47
38
46
37
45
145 146 147 148 149 150 151 152
153
154
155
156
157
158
159
1
60
161
1
62
163
1
64
165
1
66
167
1
68
169
1
70
171
1
72
173
1
74
175
1
76
177
1
78
179
1
80
181
1
82
183
1
84
185
186
187
188
189
1
90
191
1
92
193
1
94
1
95
196
1
97
198
199
200
2
01
202
203
204
205
206
207
2
08
209
210
211
212
213
2
14
215
2
16
217
218
219
220
2
21
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
X601
48MHz
UMF5NTR
Q607
6
1
3
5
4
2
10uH
L604
UNRL11300AS0
Q601
1
4
3
2
2SB1462L0AS0
Q606
1
4
3
2
2SB1462L0AS0
Q605
1
4
3
2
2SB1462L0AS0
Q604
1
4
3
2
X603
27MHz
LND601
LND602
LND604
LND603
LND606
LND607
LND608
LND610
LND612
LND613
LND605
LND609
CL601
CL602
CL603
0
R690
SML-310LTT86
D902
CL604
R694
0
R692 XX
R693
0
R691
XX
1
MC_A19
MC_A20
MC_A18
MC_A16
MC_A17
MC_A01
MC_A02
MC_A15
MC_A14
MC_A13
MC_A12
MC_A11
MC_A10
MC_A09
MC_A08
MC_A07
MC_A06
MC_A05
MC_A04
MC_A03
MC_D00
MC_D01
MC_D02
MC_D03
MC_D04
MC_D05
MC_D06
MC_D07
MC_D08
MC_D09
MC_D10
MC_D11
MC_D12
MC_D13
MC_D14
MC_D15
MC_XRD
TMS
XCS_PANEL_TG
EEPROM_RST
XLENS_RST_LED
XMC_HELP
EEPROM_BUSY
XFC_RST_SENS
CA_AD00
CA_AD01
CA_AD02
CA_AD03
CA_AD04
CA_AD05
CA_AD06
CA_AD07
CA_AD08
CA_AD09
CA_AD10
CA_AD11
CA_HD
CA_FD
XFC_RST_SENS
PE_EN0
PE_DIR0A
PE_DIR0B
MSHUT_ON
P
ANEL_V
HALL_OFFSET
HALL_GAIN
IRIS_CONT1
USB_D-
MS_POWER_ON
EEPROM_TXD
EEPROM_SCK
XCS_MC
XFR_SCK
FR_SI
MC_XCS0
MC_XWE1
USB_CLK_EN
HALL_AD
LENS_TEMP
VR
VG
VB
VP
AMP_ON
XRST_SYS
XRESET_JTAG
XDP_PULL_UP
AMP_ON
XRESET_JTAG
232C_RXD
USB_D+
XTRST
TDO
TDI
TCK
RTCK
EEPROM_RXD
STRB_ON
TG_CLK
MCK
SYS_V
XTG_CS
XCAM_RESET
XGCAM_CS
CAM_SO
XCAM_SCK
RTCK
TCK
TDO
TDI
TMS
XTRST
MS_DIO
MS_BS
MS_SCLK
LCD_CK
XMC_NMI
232C_TXD
FR_SO
XCS_EEPROM
USB_VBUS
USB_SUSPEND
USB_HOLD
HDD
EEPROM_RXD
232C_RXD
EEPROM_TXD
232C_TXD
P
ANEL_B
PA
N
E
L_G
P
ANEL_R
VDD
VDDQ
PIPESTAT[0]
TRACEPKT[6]
TRACEPKT[5]
TRACEPKT[4]
TRACEPKT[3]
TRACEPKT[1]
TRACEPKT[2]
TRACEPKT[7]
VSS
VDDQ
TRACEPKT[0]
VDD
VDD(USB_1.5V)
VDD
VDDQ(USB 3.1V)
VSS
VSS
TRACESYNC
TRACECLK
A0
A1
A2
AVDD(USB 3.1V)
AVDD
AVDD
D-
AVSS
D+
HOLD
AVSS
AVSS
UCLK
VSS
SUSPEND
VBUS
IRIS_CONT1
HALL_GAIN
HALL_AD
LENS_TEMP
CCD_TEMP
AN[3]
VR
NC
A3
A4
A5
A6
A7
A8
A10
A9
A11
A16
A15
A13
A12
A14
A20
A19
A17
A18
VSS
NC
NC
VDDQ
VDD
VDDQ
VSS
(AU_LRCK)
VDD
VDDQ
VSS
AV
S
S
VSUB_CNT
STRB_ON
AV
DDQ
VDDQ
AV
DDQ
VDD
AV
S
S
DIR0B
NC
EN0
VSS
XFC_RST_SENS
VDD
VDDQ
VDD
MSHUT_ON
VSS
DIR0A
VSS
VSS
NC
NC
VDDQ
VDD
PVDD
PVSS
PVDD
PVSS
PVDD
PVSS
WAKEUP
VDDQ
(SYSV)
VDDR
VDDR
TRST
TMS
TDI
TDO
VDDR
TCK
RTCK
NTSC/PAL
XFC_RST_SENS
VSS
TMODE
SCAN_ENABLE
TREQA
TREQB
XSYS_RESET
BB_PS
VDDR
VSS
NC
VDDR
VDDQ
VDDQ
VSS
VSS
VSS
VDDR
VSS
VSS
VSS
VSS
AMP_ON
TG_WEN
STRB_PHOTO_ON
EEPROM_TXD
XCS_MC
FR_SCK
TXD_TO_FR
RXD_FROM_FR
RXD1
CAM_SCK
CAM_SO
MSBS
ACCESS_LED
MSSCLK
MSDIO
D15
D14
D13
D10
D11
D12
D7
D8
D9
D5
D6
D4
D3
D1
D2
D0
VDD
RD
MC_XCS0
MC_XWE1
PIPEST
A
T[1]
PIPEST
A
T[2]
IRIS_CONT2
HALL_OFFSET
VG
VB
VP
A21/PK[3]
A22/PK[4]
A25/PK[7]
A23/PK[5]
A24/PK[6]
(IRIS_CONT)
PA
NEL_V
TO0/PE[2]
LCD_CK
HD
EXTP
AL
SYS_V
IRF0
IRF1
VRF
CV_OUT
BO
RO
GO
STRB_AD
VSS
DIR2A
EN2
DIR2B
XOVF_RST_SENS
DIR1A
DIR1B
EN1
XZM_RST_SENS
CCDFD
CKTGI
CKTGO
CCDHD
DUMCLP
OPBCLP
CAMVDI
ADIN[11]
XZM_RST_SENS
EEPROM_BUSY
(USB_D+PULLUP)
(CAM_DD_ON1)
(XAU_LINE_MUTE)
XMC_HELP
XLENS_RST_LED
XLCD_TG_CS
EEPROM_RST
VDDQ
XEEPROM_CS
NC
XCE/PN[0]
VDDQ
FD7/PC[7]
OSCI
OSCO
PLLMD[0]
NC
VDDQ
AE_LOCK_LED
XTG_CS
CAM_DD_ON
XCAM_RST
XFE_CS
MSHUT_EN
MS_PWR_ON
USB_D+PULLUP
VDDQ
R
T
S4_SCK4/PO[2]
CTS4/PO[3]
EEPROM_SCK
EEPROM_RXD
CTS5/PO[6]
NC
W
AIT
SDRAM_CKE
SDRAM_RDXWR
BS
CS5A/PJ[3]
NC
NC
VSS
ADIN[10]
ADIN[8]
ADIN[9]
ADIN[7]
ADIN[4]
ADIN[6]
ADIN[5]
ADIN[2]
ADIN[3]
ADIN[0]
ADIN[1]
PLLMD[1]
PLLMD[2]
INT2/PF[2]
INT3/PF[3]
FD6/PC[6]
FD5/PC[5]
FD3/PC[3]
FD4/PC[4]
FD1/PC[1]
FD2/PC[2]
FD0/PC[0]
CLE/PN[1]
XWE/PN[3]
ALE/PN[2]
XWP/PN[5]
XRE/PN[4]
RDY/PN[7]
SC/PN[6]
TXD4/PO[0]
RXD4/PO[0]
VDDQ
VDD
VDDQ
SDRAM_CKO
SRRAM_XCS
CS4/PJ[2]
MC_XWE0
DREQ
DACK
SDRAM_XRAS
SDRAM_XCAS
D
8
14
10
E
H
18
3
15
19
20
1
11
2
M
J
F
I
TY-15 BOARD (1/4)
L
17
4
C
B
7
6
N
16
05
13
9
A
K
12
G
5
O
CAMERA DSP,MAIN CPU(TRS BLOCK 1/2)
XX MARK:NO MOUNT
CAMERA DSP,
IC602
MAIN CPU
AMP
AMP
AMP
AMP SWITCH
CLAMP
(MS ACCESS)
REC
PB
SIGNAL PATH
CHROMA
Y/CHROMA
VIDEO SIGNAL
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