Sony DSC-P2 Service Manual page 13

DSC-P2
COVER
COVER
For Schematic Diagram
• Refer to page 4-43 for printed wiring board.
• Refer to page 4-53 for waveforms.
1
SY-77 BOARD (3/10)
A VIDEO MEMORY(HMS BLOCK 2/2,VI BLOCK)
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
SIGNAL PATH
B
REC
C
D
E
F
G
H
I
J
K
L
05
SY-77 (3/10)
4-2. SCHEMATIC DIAGRAMS 4-2. SCHEMATIC DIAGRAMS
2 3 4
A_2.9V
D_2.9V
D_1.5V
VIDEO SIGNAL
1
CHROMA Y/CHROMA
UNRL11400AS0
2
PB
A
(2/10)
3
UNRL21300AS0
4
5
6
7
IC602
64M SDRAM
Note:
:Voltage measurment of the CSP IC
and the transistors with mark,is
not possible.
R605
XX
8
B
(2/10) 9
10
4-13
SY-77 BOARD SIDE A SY-77 BOARD SIDE A
5 6 7 8
Q607
SWITCH
STRB_ON
C628
10u
6.3V
Q608
SWITCH
FB603
C636
C637
10u
10u
6.3V
6.3V
IC602
K4S643233E-DE80T
VSS
VDDQ
VSS
HR_DQ00 VDD
HR_DQ15
DQ15
DQ0
VSSQ
VDDQ
HR_DQ01
DQ14 HR_DQ14
DQ1
HR_DQ02
DQ13 HR_DQ13
DQ2
VDDQ
VSSQ
HR_DQ03
DQ12 HR_DQ12
DQ3
HR_DQ04
DQ11 HR_DQ11
DQ4
VSSQ
VDDQ
HR_DQ05
DQ10 HR_DQ10
DQ5
HR_DQ06
DQ9 HR_DQ09
DQ6
C638
VDDQ
0.1u
VSSQ
HR_DQ07
DQ8 HR_DQ08
DQ7
NC
NC
VSS
VDD
HR_DQM0
DQM1 HR_DQM1
DQM0
HR_XWE
NC
WE#
HR_XCAS NC
CAS#
HR_XRAS CLK HR_QCLK
RAS#
HR_XCS0
CKE HR_QCLKE
CS#
HR_AQ11
A9 HR_AQ09
A11
HR_BA0 A8 HR_AQ08
BA0
HR_BA1
A7 HR_AQ07
BA1
HR_AQ10
A6 HR_AQ06
A10
HR_AQ00
A5 HR_AQ05
A0
HR_AQ01 A4 HR_AQ04
A1
HR_AQ02 A3 HR_AQ03
A2
HR_DQM2
DQM3 HR_DQM3
DQM2
C632
VSS
0.1u
VDD
NC
NC
HR_DQ16
HR_DQ31
DQ31
DQ16
VDDQ
VSSQ
HR_DQ17
HR_DQ30
DQ30
DQ17
HR_DQ18
HR_DQ29
DQ29
DQ18
VSSQ
VDDQ
HR_DQ19
HR_DQ28
DQ28
DQ19
HR_DQ20
HR_DQ27
DQ27
DQ20
VDDQ
VSSQ
HR_DQ21 HR_DQ26
DQ26
DQ21
HR_DQ22 HR_DQ25
DQ25
DQ22
VSSQ
VDDQ
HR_DQ23 HR_DQ24
DQ24
DQ23
VSS
VDD
VSSQ
VDDQ
SY-77 BOARD SIDE B SY-77 BOARD SIDE B
9 10 11 12
L602
10uH
C642
10u
6.3V
C641
10u
6.3V
C635
22u
4V
R625
2200
Q606
2SB1462L0AS0
R622 R623 R624
BUFFER
2200 2200 2200
Q605
2SB1462L0AS0
BUFFER
Q604
2SB1462L0AS0
BUFFER
Q603
2SB1462L0AS0
BUFFER
L101
10uH
C103
0.1u
C102
4.7u
6.3V
C104
XX
C101
1u
R103
0
2.9
IC101
VIDEO AMP
IC101
NJM2574RB1(TE2)
2.9
R102
0
C105
XX
4-14
Ver 1.1 2002. 09
13 14 15
A_2.9V
D_2.9V
17
(10/10)
D_1.5V
REG_GND
18
STRB_ON (9/10)
19
A_OUT_ON
(6/10)
PANEL_R
20
PANEL_G (6/10)
PANEL_B
C106
R104
XX
1M
R101
0
21
VAMP_ON (6/10)
2
2.9
8 7 6 5
1
1 2 3 4
C108
1.2
100u
R105
4V
68
22
V_OUT (7/10)
C107
22u
4V