Sony DCR-TRV940 Service Manual page 52

DCR-TRV940/TRV940E/TRV950/TRV950E
COVER
COVER
PD-168 (1/2)
4-2. SCHEMATIC DIAGRAMS 4-2. SCHEMATIC DIAGRAMS
For Schematic Diagram
• Refer to page 4-113 for printed wiring board.
• Refer to page 4-130 for waveforms.
1 2 3
PD-168 BOARD (1/2)
A
LCD DRIVER,
TIMING GENERATOR
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
B
PANEL_-15.3V
PANEL_13.3V
PANEL_4.6V
C
XC.SAVE
VD_SCK
XTG_SO
R5701 XCS_PANEL
L5701 470k
10uH
D
PANEL_2.8V
R5702 33k
C5701
C5702
68u
0.1u
4V
R5703 27k
XP.SAVE
PANEL_B
PANEL_G
E
PANEL_R
F
1
(2/2)
G
REG_GND
VD_SCK
VD_SCK
H
I
BGP
BLK
FRP
COM_FRP
VD_SCK
J
XCS_PANEL
XTG_SO
VD_SO
K
XVD
XHD_OUT
XHD_OUT
SYNC
SYNC
XVD
XVD
VD_SO
VD_SO
SYNC
L
XCS_PANEL XHD_OUT
XCS_PANEL
05
4-73
PD-168 BOARD PD-168 BOARD
4 5 6 7
L5703 10uH
C5711 L5704
C5712
3.3u 10uH
0.1u
20V
R5707 C5710
15k 0.01u
0 0.1 2.7 0.2 1.4 1.4 7 4.5
36 35 34 33 32 31 30 29 28 27 26 25
1.4
6
EXT_DA2
2.9
XC.SAVE B_DC_DET
2.8
5
XSCK
2.2
SI G_DC_DET
2.8
4
XCS
IC5701
2.9
Vcc1 R_DC_DET
LCD DRIVER
0.5%
1
IC5701
TRAP_ADJ GND2
AN12580A-BB
0.5%
1
LPF_ADJ GND1
2.8
XP.SAVE
3
1.8
B_IN
C5704 0.01u
1.9
2
G_IN
C5705 0.01u
1.9
R_IN
C5706
0.01u
1
1 2 3 4 5 6 7 8 9 10 11 12
R5708
2700
R5714
L5702
100k
10uH
R5709
C5707 R5713
C5709 47k
10u R5711
0.1u 1M
22k
6.3V
L5705
2.2uH
R5706
100k
2.8
0
Q5701 2.9 2.9 1.4 2.9
2.8
2SD2216J-QR
(K8).SO 36 35 34 33 32 31 30 29 28 27
RESET
C5708
0.1u
2.7
BGP
SWCOM
0.2
SW
1.4
FRP
1.4
COM_FRP
IC5702
2.8
XSCK
TIMING GENERATOR
2.9
IC5702
VDD/TESTI
CM7021L3-E2
2.8
XCS
2.2
SO
2.7
SI
VSYB
2.8
XVD
8
7
1 2 3 4 5 6 7 8 9 10
2.6 2.9 2.8 2.9 2.9
8 9 10 11
SIGNAL PATH
C5716
C5715
REC
10u
0.1u
10V
PB
2.2 VB
VB
C5719
2.2
1u
VG
2.2
VG
C5720
2.2
1u
2.2 VR
VR
C5721
2.2
1u
R5721
10k
2.2
C5722
6.8u
16V
4.5
VSH
13.5
Vcc4
N.C
C5723 C5724 C5726
0.1u 0.1u 1u
N.C
TG24
TG23
TG22
TG21
TG20
D5702
1SV288(TPH3)
TG18
TG17
C5717
0.001u
TG16
C5718 TG15
47p
TG14
TG13
R5722
9
10k C5727
1u
1.4 1.5 2.8
26 25
2.9
1.4 TG24
Q5702 0.2
HCNT
R5717 R5719
UN9213J-
0 120 TG23
1.4 (K8).SO
MCLK INVERTER
0 TG22
CLR
2.8 TG21
OE
0.1 TG20
SRT
2.9
VDD
TG18
0
RESET
2.9 TG17
STBYB
0 TG16
GSRT
0.1 TG15
GPCK
2.6 TG14
GRES
TG13
0.5
CP
11 12
2.9
4-74
12 13 14
VIDEO SIGNAL
CHROMA
VG
2
(2/2)
COM_OUT
CN5701 24P
24 VSH
23 VDD
22 VSS
VB
21
20 VG
19 VR
18 HCNT
17 MCLK
CLR
16
OE
15
SRT
14
LCD901
COLOR
13 STBYB
LCD UNIT
12 VBC
11 VCOM
10 RESET
9 STBYB
8 GSRT
7 GPCK
6 GRES
5 N.C
4 VDD
3 VGL
2 VSS
1 VGH
BL_DET
3
(2/2)
PWM
BL