Sony DCR-TRV940 Service Manual page 15

DCR-TRV940/TRV940E/TRV950/TRV950E
COVER
COVER
For Schematic Diagram
• Refer to page 4-93 for printed wiring board.
1 2
VC-288 BOARD (11/17)
A
VIDEO A/D CONVERTER(ALIGN CSP BLOCK)
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
46
B
SPCK
(4/17)
A_2.8V
107
D_2.8V
REG_GND
L2001
(17/17)
10uH
A_4.6V
C
Q2002,2003
CLAMP SWITCH
D
R2009
1k
IC7001_Y_OUT
C2022
33p
IC7001_C_OUT
E
108
F
IC2001_APC_ERROR
(16/17)
AGC_CONT
ACC_CONT
G
IC7001_CK
H
05
VC-288 (11/17)
4-2. SCHEMATIC DIAGRAMS 4-2. SCHEMATIC DIAGRAMS
3 4 5
L2002 10uH
C2004
4.5 -0.7
10u
6.3V
Q2003
2SA2018H-T2L
C2003
4.5
R2007
4.7u
10k
R2006
47k
Q2002
3 2
UNRL21300AS0
1
4
R2003
R2001
R2010
10k 10k
2200
-0.5 -0.7
1.1
C2002
C2006
4
10u 0.01u
-0.4
1 6.3V
0
2 3 Q2004
R2002
C2007
EC3101C-PM-TL
680
1u C2025
BUFFER 0.01u
R2008
Q2001
3900 UP04601008S0
CLAMP
C2005
C2001 C2008
0.01u 0.1u 0.01u
C2014
0.01u
C2009
0.01u
C2010
R2004
0.01u
470
C2011
0.01u
C2012
0.01u
C2013
0.01u
C2024
0.01u
C2027
0.01u
4-33
VC-288 BOARD SIDE A VC-288 BOARD SIDE A
6 7
SIGNAL PATH
:Voltage measurment of the CSP ICs
and the Transistors with mark,are
not possible.
FB2001
R2005
0
C2021
XX
C2015
0.01u
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
ADABOT
ADAIN
ADATOP
ADAVDD
ADAVSS
AD8IN
AD8BOT
AD8VDD
IC2001
AD8VSS
VIDEO A/D CONV.
AD8TOP
IC2001
AD8TB
MB87L4261LGA-G-ER
DAVSS
DAREF
APCVO
AGCVO
CLPVO
ACCVO
DATOP
DABOT
DAVDD
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
C2017
0.01u
C2016 R2011
0.01u XX
VC-288 BOARD SIDE B VC-288 BOARD SIDE B
8 9 10
VIDEO SIGNAL
CHROMA Y
REC
C2018
0.01u
C2026
XX
C2019
10u
6.3V
64 63 62 61
TS0
DYOUT0
DYOUT1
DYOUT2
DYOUT3
DYOUT4
DYOUT5
DYOUT6
DYOUT7
DVSS2
C2020
DVDD2
0.01u
DCOUT0
DCOUT1
DCOUT2
DCOUT3
DCOUT4
DCOUT5
DCOUT6
DCOUT7
XRST
C2023
0.01u
4-34
11 12
109
XCS_IC2001
(13/17)
VD_SI
110
VD_SO
(13/17)
VD_SCK
111
XRST_VTR
(13/17)
IFI_Y0
IFI_Y1
IFI_Y2
IFI_Y3
IFI_Y4
IFI_Y5
39
IFI_Y6
IFI_Y7
(4/17)
IFI_HD
IFI_VD
IFI_OE
IFI_C0
IFI_C1
IFI_C2
IFI_C3
IFI_C4
40
IFI_C5
IFI_C6
(4/17)
IFI_C7
85
AFCK
(7/17)
51
AFCK
(4/17)