Sony DSC-P20 (serv.man2) Service Manual ▷ View online
DSC-P20
3-9. POWER BLOCK DIAGRAM 2
3-17
3-18 E
IC351
CCD
IMAGER
(SEE PAGE 4-6)
A 3.2V
IC101
TIMING
GENERATOR
(SEE PAGE 4-11)
IC302
64M SDRAM
(SEE PAGE 4-17)
Q305 – 309
BUFFER
(SEE PAGE 4-18)
IC781
CLOCK GEN.
(SEE PAGE 4-22)
IC601
USB I/F
(SEE PAGE 4-22)
IC504
16M
FLASH
(SEE PAGE 4-21)
IC507
EEPROM
(SEE PAGE 4-21)
IC505
16M
SDRAM
(SEE PAGE 4-21)
IC301
CAMERA
DSP
(SEE PAGE 4-16)
IC501
MC CAM,
SH DSP
(SEE PAGE 4-19)
IC102
S/H, AGC,
A/D CONV.
(SEE PAGE 4-12)
CAM 15V
05
CAM –7.5V
FB304
FB302
FB301
M 5V
L306
L781
FB351
FB111
FB113
FB112
L351
L101
FB114
L103
L183
L184
L502
L307
L501
D 3.2V
D 3.2V
A 3.2V
A 3.2V
BUZER 15V
FB503
FB502
FB781
FB601
Q102 – 105
CN204
MS
SOCKET
Q701, 702
D 3.2V
D 3.2V
D 3.2V
D 1.8V
BL VO–
CAM 15V
CAM –7.5V
CONTROL
SWITCH
BLOCK
CN708
FB110
L102
IC182
IRIS
(MECHA SHUTTER)
DRIVE
(SEE PAGE 4-13)
CN101
CAM –7.5V
CAM 15V
18
1
CN351
CN704
CN705
3
20
L303
B
TO
POWER BLOCK 1
(SEE PAGE 3-16)
C
TO
POWER BLOCK 1
(SEE PAGE 3-16)
A
TO
POWER BLOCK 1
(SEE PAGE 3-15)
JK-215 BOARD (1/2)
SY-66 BOARD
IC402
FRONT CONTROL
(SEE PAGE 4-24)
IC403
INITIAL RESET
BACK UP VCC
(SEE PAGE 4-23)
BT201
LITHIUM BATTERY
CN201 (1/2)
VL 3V
CN703 (1/2)
6
5
4
7
3
(SEE PAGE 4-29)
CD-332 BOARD
37
93
36
79
78
BATT UNREG
EVER 3.2V
EVER 5.5V
FAST CHARGE
INIT CHARGE ON
INIT CHARGE ON
BATT SIG
CAM 15V
18
1
D408
BATTERY
CHARGE
DETECTOR
Q405
VOUT
CS
RESET
FAST CHARGE
BATT SENS
BACKUP VCC
INIT CHARGE
17
LCD POWER
16
MS POWER ON
25
VOUT ON
18
CAM DD ON
21 LCD DD ON
BATT SO
BATT SI
6 XRESET
VBAT
8 VRO
VIN
26 (BATT IN)
15 BATT IN
27
XCS DDCON
XCS DDCON
28
UNREG SO
UNREG SO
29
UNREG SCK
UNREG SCK
89
DRY BATT IN1
DRY BATT IN1
17
DRY BATT IN2
DRY BATT IN2
LCD DDON
14
BATT/XEXT
BATT UNREG
EVER 5.5V
BATT/XEXT
BATT/XEXT
31
SYS DD ON
SYS DD ON
94
ACV UNREG
ACV SENS
92
D 1.8V
DD CON SENS
IC801
LCD
DRIVE
(SEE PAGE 4-25)
IC803
VREF AMP,
VCO
(SEE PAGE 4-26)
IC802
EVR
(D/A CONVERTER)
(SEE PAGE 4-25)
IC804
LCD TIMING
GENERATOR
(SEE PAGE 4-26)
LCD901
COLOR
LCD
MONITOR
PANEL UNIT
L802
IC806
BACK LIGHT
DRIVE
(SEE PAGE 4-26)
L803
VDDG
VDD
PANEL 3.2V
BL L
5
10
CN806
CN805
7
1
6
9
D803
A 4.9V
D 3.2V
PANEL 13.5V
PANEL 3.2V
M 5V
M 5V
L185
D 3.2V
D 3.2V
A 3.2V
PANEL 3.2V
D 1.8V
BL VO–
A 4.9V
PANEL 13.5V
D402
D403
Q311, 312
D901
BACK LIGHT
CAM – 7.5V
CN703
(2/2)
3
CN201
(2/2)
(2/2)
16
JK-215 BOARD
(2/2)
(2/2)
(SEE PAGE 4-29)
IC186
EVR
(D/A CONV.)
(SEE PAGE 4-14)
IC184
IRIS
DRIVE
(SEE PAGE 4-13)
IC185
IRIS DRIVE
HALL AMP
HALL BIAS/GAN
CONTROL
(SEE PAGE 4-13)
L801
Q808, 810
Q804
Q703, 704
BUZZER AMP
(SEE PAGE 4-23)
9
11
10
12
13
13
1
2
2
33
34
34
11
12
12
13
14
14
15
16
16
19
ı
22
24
28
30
38
25
29
31
35
36
37
9
10
39
27
32
26
DSC-P20
4-1
SECTION 4
PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
(For printed wiring boards)
•
•
: Uses unleaded solder.
•
b
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated)
• Through hole is omitted.
• Circled numbers refer to waveforms.
• There are a few cases that the part printed on diagram
• Circled numbers refer to waveforms.
• There are a few cases that the part printed on diagram
isn’t mounted in this model.
• Chip parts.
(For schematic diagrams)
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF :
µ
µ
F. 50 V or less are not indicated except for electrolytics
and tantalums.
• Chip resistors are 1/10 W unless otherwise noted.
k
Ω
=1000
Ω
, M
Ω
=1000 k
Ω
.
• Caution when replacing chip parts.
New parts must be attached after removal of chip.
Be careful not to heat the minus side of tantalum
capacitor, Because it is damaged by the heat.
Be careful not to heat the minus side of tantalum
capacitor, Because it is damaged by the heat.
• Some chip part will be indicated as follows.
Example
C541
L452
22U
10UH
TA A
2520
• Constants of resistors, capacitors, ICs and etc with XX
indicate that they are not used.
In such cases, the unused circuits may be indicated.
In such cases, the unused circuits may be indicated.
• Parts with
★
differ according to the model/destination.
Refer to the mount table for each function.
• All variable and adjustable resistors have characteristic
curve B, unless otherwise noted.
• Signal name
XEDIT
→
EDIT
PB/XREC
→
PB/REC
•
2
: non flammable resistor
•
1
: fusible resistor
•
C
: panel designation
•
A
: B+ Line
*
•
B
: B– Line
*
•
J
: IN/OUT direction of (+,–) B LINE.
*
•
C
: adjustment for repair.
*
• Circled numbers refer to waveforms.
*
*
Indicated by the color red.
Note :
The components identified by mark
0
or
dotted line with mark
0
are critical for safety.
Replace only with part number specified.
Note :
Les composants identifiés par une marque
0
sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifie.
le numéro spécifie.
(Measuring conditions voltage and waveform)
• Voltages and waveforms are measured between the
• Voltages and waveforms are measured between the
measurement points and ground when camera shoots
color bar chart of pattern box. They are reference values
and reference waveforms.
color bar chart of pattern box. They are reference values
and reference waveforms.
*
(VOM of DC 10 M
Ω
input impedance is used)
• Voltage values change depending upon input impedance
of VOM used.)
1. Connection
2. Adjust the distance so that the output waveform of Fig.
a and the Fig. b can be obtain.
When indicating parts by reference number, please
include the board name.
include the board name.
Fig. a (Pin
2
of CN706 on SY-66 board waveform)
(Note 1, 2)
Fig.b (Picture on LCD)
Color bar chart
picture frame
picture frame
LCD picture frame
Green
Y
ellow
Cyan
White
Magenta
Red
Blue
Y
ellow
A
A
B
B
A=B
H
Cyan
Green
White
Magenta
Red
Blue
THIS NOTE IS COMMON FOR WIRING BOARDS AND SCHEMATIC DIAGRAMS
(In addition to this, the necessary note is printed in each block)
(In addition to this, the necessary note is printed in each block)
Kinds of capacitor
Temperature characteristics
External dimensions (mm)
1
2
3
6
5
4
E
B
C
3
1
5
5
2
4
6
5
4
3
1
2
Transistor
2
1
3
2
1
3
2
1
3
3
4
5
2
1
3
2
1
4
5
Diode
1
2
4
3
Front of the lens
Pattern box
L
L=About 35 cm
Note 1:
Setting the waveform output mode
1) Connect the adjusting remote commander to SY-66
1) Connect the adjusting remote commander to SY-66
board CN706 via CPC-9 jig.
2) Select page: 0, address: 01, and set data: 01.
3) Select page: 2, address: E0, and set data: 30.
4) Select page: 2, address: E1, and set data: 0B.
5) Select page: 2, address: E4, set data: 31, and press
3) Select page: 2, address: E0, and set data: 30.
4) Select page: 2, address: E1, and set data: 0B.
5) Select page: 2, address: E4, set data: 31, and press
the PAUSE button of the adjusting remote
commader.
commader.
6) Select page: 2, address: E3, and set data: 40.
Note 2:
Exiting the waveform output mode
1) Select page: 2, address: E3, and set data: 00.
2) Select page: 2, address: E4, set data: 00, and press
1) Select page: 2, address: E3, and set data: 00.
2) Select page: 2, address: E4, set data: 00, and press
the PAUSE button of the adjusting remote
commader.
commader.
3) Select page: 2, address: E1, and set data: 00.
4) Select page: 2, address: E0, and set data: 00.
5) Select page: 0, address: 01, and set data: 00.
4) Select page: 2, address: E0, and set data: 00.
5) Select page: 0, address: 01, and set data: 00.
4-2
DSC-P20
4-3
4-4
FRAME
4-1. FRAME SCHEMATIC DIAGRAM
FRAME SCHEMATIC DIAGRAM
2P
CN702
1
BEEP_OUT
2
REG_GND
39P
CN704
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
37
38
39
39P
CN003
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
37
38
39
33P
CN501
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
24P
CN805
1
TESTL
2
COM
3
VST
4
VCK
5
EN
6
DWN
7
VDD
8
VSS
9
VDDG
10
VSSG
11
CS
12
WIDE
13
HST
14
REF
15
SDUT
16
CRext
17
HCK2
18
HCK1
19
PSIG
20
G
21
R
22
B
23
RGT
24
TESTR
18P
CN706
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
20P
CN101
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CN002
7P
1
2
3
4
5
6
7
21P
CN004
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
3P
CN001
1
2
3
21P
CN705
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
8P
CN182
1
2
3
4
5
6
7
8
20P
CN181
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
14P
CN708
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CN806
6P
1
2
3
4
5
6
18P
CN703
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
18P
CN201
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
10P
CN204
1
VSS
2
BS
3
VCC
4
DIO
5
N.C
6
INT
7
N.C
8
SCLK
9
VCC
10
VSS
5P
CN202
1
VCC
2
D-
3
D+
4
ID
5
GND
BT201
(LITHIUM BATTERY)
D214
(ACCESS LED(RED))
S201
S251
S252
S253
S261
S262
D252
(AE LOCK(GREEN))
D251
(SELF TIMER/REC(RED))
D253
(FLASH/CHARGE(AMBER))
1
A
J001
S202
D001
(SELF TIMER LED)
Q001
22P
CN351
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
S001
CPC(FOR CHECK)
FP-052 FLEXIBLE
BACK LIGHT
DD-158 BOARD
SY-66 BOARD
JK-215 BOARD
LENZ UNIT
CCD IMAGER
PANEL UNIT
CD-332 BOARD
LCD901
FP-060 FLEXIBLE
REG_GND
REG_GND
M_5V
LCD_DD_ON
F
AST_CHARGE
INIT_CHARGE
CAM_15V
BL_VO-
BL_VO-
REG_GND
A_3.2V
BUZER_15V
SYS_DD_ON
REG_GND
M_5V
CAM_-7.5V
A_3.2V
CAM_DD_ON
XCS_DDCON
REG_GND
D_1.8V
ACV_UNREG
REG_GND
P
ANEL_13.5V
REG_GND
D_1.8V
ACV_UNREG
P
ANEL_3.2V
UNREG_SO
D_1.8V
D_1.8V
BA
TT_SIG
UNREG_SCK
REG_GND
XPRELAMP_AF_LED
A_3.2V
D_1.8V
CAM_15V
REG_GND
LCD_DD_ON
P
ANEL_3.2V
CAM_DD_ON
D_1.8V
BL_VO-
UNREG_SO
REG_GND
REG_GND
ACV_UNREG
REG_GND
REG_GND
BA
TT_SIG
XCS_DDCON
A_3.2V
BL_VO-
INIT_CHARGE
F
AST_CHARGE
D_1.8V
M_5V
M_5V
ACV_UNREG
REG_GND
BUZER_15V
UNREG_SCK
REG_GND
REG_GND
XPRELAMP_AF_LED
P
ANEL_13.5V
SYS_DD_ON
CAM_-7.5V
D_1.8V
BT901
XE_A
TRIGGER
XE_A
XE_K
SENS_A
TRIGGER
TRIGGER
XE_A
XE_K
XE_K
XE_A
SENS_K
XE_A
XE_K
SENS_K
PHOTO_C
XE_A
XE_K
PHOTO_E
XE_K
SENS_A
TXD(N.C.)
UNREG
P
ANEL_COM
BL_L1
CPC_IN
BL_L2
MAKER_RECOG
LANC_OUT
RF7(N.C.)
HSY
RXD(N.C.)
LANC_IN
VDD(N.C.)
RESET(N.C.)
REG_GND
VG
Y_OUT
C_OUT
CAM_15V
V3A
VSUB_CONT
V1A
CCD_TEMP
CAM_-7.5V
V4
GND
H2
GND
V2
CCD_OUT
GND
RG
V1B
H1
GND
V3B
GND
VSHT
VSHT
V2
GND
V3A
GND
VSUB_CONT
CCD_TEMP
V1B
H1
V1A
V4
GND
GND
CCD_OUT
RG
H2
GND
V3B
CAM_-7.5V
CAM_15V
BATT_UNREG/+
DRY_BATT_DET1
BATT_GND/-
BATT_GND/-
DRY_BATT_DET2
BATT_UNREG/+
BATT_SIG
D_3.2V
D_3.2V
EVER_5.5V
REG_GND
BA
TT/XEXT
BA
TT_UNREG
REG_GND
REG_GND
REG_GND
EVER_5.5V
REG_GND
STRB_PHOTO_ON
A_4.9V
STRB_CHG
REG_GND
STRB_ON
STRB_AIN
XSTRB_FULL
REG_GND
REG_GND
REG_GND
ACV_UNREG
ACV_GND
BATT/XEXT
XSTRB_FULL
D_3.2V
STRB_AIN
EVER_5.5V
REG_GND
STRB_ON
REG_GND
STRB_CHG
BA
TT/XEXT
REG_GND
A_4.9V
STRB_PHOTO_ON
REG_GND
REG_GND
D_3.2V
REG_GND
REG_GND
REG_GND
BA
TT_UNREG
REG_GND
EVER_5.5V
REG_GND
XMACRO_SW
BIAS-
HALL+
DRIVE+
N.C.
HALL-
DRIVE-
BIAS+
D_3.2V
REG_GND
XAE_LOCK_SW
XPB_ON
D_3.2V
XPWR_LED_ON
XSHTR_ON
MODE_DIAL
XPWR_ON
XMOVIE_ON
REG_GND
XSETUP_ON
NC
PANEL_3.2V
BL_FB
NC
BL_L
BL_H
REG_GND
XLENS_CAP_ON
D-
XRESET
REG_GND
MS_VCC
VL_3V
REG_GND
V_OUT
MS_SCLK
USB_JACK_IN
MS_DIO
D+
XMS_IN
MS_BS
REG_GND
REG_GND
ACCESS_LED
MS_DIO
D-
D+
ACCESS_LED
MS_SCLK
XMS_IN
REG_GND
REG_GND
XRESET
V_OUT
USB_JACK_IN
MS_BS
REG_GND
REG_GND
XLENS_CAP_ON
MS_VCC
VL_3V
REG_GND
DR
Y_BA
TT_IN2
DR
Y_BA
TT_IN1
EVER_3.2V
DR
Y_BA
TT_IN1
DR
Y_BA
TT_IN2
EVER_3.2V
DIAL
POWER
SHUTTER
(POWER LED)
CONTROL SWITCH BLOCK
MODE
ON/OFF
BZ701
BUZZER
FP-053
FLEXIBLE
D901
1
MEMORY STICK
10
USB
RESET
CONTROL
MENU
DISPLAY/LCD
ON/OFF
ON/OFF
ZOOM(W)
ZOOM(T)
BATTERY TERMINL
(DRY BATTERY)
13
2
4
F
L
19
12
5
G
K
11
8
7
6
E
05
B
H
I
16
9
17
3
D
18
C
15
M
10
J
14
DC IN
XPRELAMP_AF_LED
XPRELAMP_AF_LED
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
S002
S004
D001
S003
LENS COVER
OPEN/CLOSE
OPEN/CLOSE
FP-062 FLEXIBLE BOARD
BRIGHT
LEVEL
SENSOR
LEVEL
SENSOR
FLASH UNIT
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
FP-061 FLEXIBLE
BOARD
MACRO
DSC-P20
4-5
4-6
CCD IMAGER
CD-332
4-2. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
CD-332 (CCD IMAGER) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM
• See page 4-43 for waveforms.
– Ref. No.: CD-332 board; 2,000 series –
• For Printed Wiring Board.
•
:Uses unleaded solder.
• There are a few cases that the part isn't mounted in this model
is printed on this diagram.
• See page 4-45 for printed parts location.
• Chip transistor
• Chip transistor
E
B
C
12
,
3
2
1
5
4
12
,
10p
C358
22
R354
1u
C351
35V
3.3u
C352
FB351
0
R351
0.01u
C354
UN9213J-(K8).SO
Q353
16V
22u
C353
10
R353
0.1u
C360
0.1u
C362
0.001u
C363
0.1u
C361
0.1u
C356
10
R352
MA111-(K8).S0
D351
10uH
L351
MN39742PTJ-S
IC351
1
VDD
2
RG
3
GND
4
VOUT
5
LG
6
OG
7
H2
8
H1
9
VL
10
V1A
11
V3A
12
V1B
13
V2
14
V3B
15
V4
16
CSUB
2SC4178-F13F14-T1
Q351
R355
3300
3300
C355
XX
R356
10k
1M
R357
C359
0.1u
C357
0.1u
100k
R358
1M
R359
TH351
22P
CN351
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
FB352
1
A
H1
V3B
V1B
CCD_OUT
GND
VSHT
V1A
GND
RG
CAM_-7.5V
GND
VSUB_CONT
H2
CAM_15V
V3A
V2
GND
V4
GND
CCD_TEMP
N.C.
N.C.
D
B
7
F
8
3
5
9
05
4
2
6
E
G
CD-332 BOARD
C
SY-66 BOARD (1/8)
CN101
THROUGH THE
FP-060 FLEXIBLE
(SEE PAGE 4-11)
CCD IMAGER
IC351
SWITCH
-REF.NO.:2,000 SERIES-
XX MARK:NO MOUNT
XX MARK:NO MOUNT
CCD IMAGER
10
(CD-332 BOARD is replace as a block)
(CCD TEMP SENSOR)
BUFFER
REC
VIDEO
SIGNAL
Y/CHROMA
SIGNAL PATH
2
1
3
4
5
0
R5.8/P0
R-7.8/P0
R-0.4/P0
R-7.4/P0
R-0.4/P0
R-0.4/P0
R-7.4/P0
R-7.4/P0
R5.8/P0
R1.8/P0
R1.5/P0
R0.9/P0
R2.2/P0
R12.2/P0
R7.7/P0
R15.2/P0
R11.4/P0
R15.2/P0
R12.2/P0
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
R:REC MODE
P:PB MODE
Click on the first or last page to see other DSC-P20 (serv.man2) service manuals if exist.