Sony DCR-HC17E Service Manual page 11

For Schematic Diagram
• Refer to page 4-83 for printed wiring board.
1 2
VC-376 BOARD (6/12)
A
EVF DRIVE (EVF BLOCK)
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
B
EP_8.5V
@032
EP_4.6V
L9301
(11/12) EP_2.8V
FB9301
0uH
REG_GND
C9301
C
BW_Y
@020
PANEL_VD
PANEL_VD
PANEL_HD
PANEL_HD
(3/12)
D
(7/12)
@035 VD_SI
VD_SI
(12/12)
(3/12)
VD_SCK
@014
VD_SCK
(7/12)
VD_SO
(12/12) VD_SO
(7/12)
E
@033 XSYS_RST
(9/12) XSYS_RST
(12/12)
@034
XCS_EVF
XCS_EVF
(7/12)
F
G
H
I
05
DCR-HC17E/HC19E/HC21/HC21E/HC22E/HC32/HC32E/HC33/HC33E
3 4 5
L9303
10uH
L9302 10uH
10uH
C9312
C9302 C9322
C9310 C9311
10u 4.7u
XX
4.7u XX
6.3V 10V
4V
1u R9310
XX
C9306 XX
C9307 XX
C9308 0.01u
R9306
R9307
91k
10k
±0.5%
±0.5%
1.2
36 35 34 33
1.2
28
Filter2
GND1
C9303
0.1u
1.2
OPOUT
C9305
R9301
560p
68k 1.4
OPIN
FVCC
VD_SI 2.7
SO
XCS_EVF 2.7
XCS
VD_SCK 2.6
XSCK
R9302
470
VD_SO 0.9
SI
2.8
VDD
SCAN
31
PANEL_HD 2.6
HD
32
1 2 3 4
PANEL_VD
R9308
XX
R9303
XX
XSYS_RST
C9309
XX
4-19
6 7 8
R9311 C9314
4.7u
XX
C9315
10u
6.3V
R9314
10k
32 31 30 29 28 27 26 25
2.5
29
VP
4.6
VCC2
RB9301
2.5
10
VB
8 7
2.5
30 6 5
VG
4 3
2 1
2.5
VR
GND2
IC9301
2.6
BLON
EVF DRIVE
IC9301
0
CXM3007AR-T4
WIDE
0
VST
2.8
VDD
1.4
VCK
VSS
5 6 7 8 9 10 11 12
9 10 11 12
R9325
1800
0.1
Q9303
UP04601008S0
EVF BACKLIGHT DRIVE
C9321
0.1u
0.1 4.6
A_OUT Vcc
R9321
0
180k
A_IN- B_OUT
±0.5%
0
A_IN+ B_IN-
GND B_IN+
IC9303
EVF BACKLIGHT CONTROL
IC9303
NJM12904V(TE2)
R9322
33k
±0.5%
EVF_VP
CL9301
EVF_VB EVF_VP
EVF_VR
CL9302
EVF_VG
EVF_VG
CL9303
EVF_VR EVF_VB
EVF_EN
EVF_VST
EVF_REF
EVF_PCG
EVF_BLK
EVF_VCK
EVF_VST EVF_XSTBY
EVF_BLK
EVF_HCK2
EVF_VCK EVF_HCK1
EVF_HST
EVF_EN
EVF_XSTBY
EVF_PCG
EVF_HST
EVF_HCK2
EVF_HCK1
4-20
13 14
0.7 4 6 1.8
5 2
0.7
1
3 0
R9326
39
±0.5%
CN9301 23P
23 LED_K
22 EP_4.6V
21 REG_GND
20 REG_GND
19 REG_GND
18 COM_CS
17 EVF_PSIG
16 EVF_VR
15 EVF_VG
LB-109
14 EVF_VB
CN301
13 EVF_EN THROUGH THE
FP-181 FLEXIBLE
12 EVF_VST
PAGE 4-73
11 EVF_REF
of LEVEL2
10 EVF_PCG
9 EVF_VCK
8 EVF_STB
7 EVF_BLK
6 EVF_HCK2
5 EVF_HCK1
4 EVF_HST
3 REG_GND
2 REG_GND
1 EVF_VDD
VC-376 (6/12)