Pre/Rec Schematic Diagram - JVC SR-VS20E Service Manual

Mini dv/s-vhs video cassette recorder
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4.15

PRE/REC SCHEMATIC DIAGRAM

1
6
P/R MDA (PRE/REC)
5
TP5001
PB_ENV
4
TO DV MAIN
CN2001
CN5002
QGF0503F2-26X
R5101
0Ω
PB_ENV
R5102
0Ω
REC_CTL
REC_H
PBH
HID1
HID3
GND
DUMP_CTL
AGC_GAIN
VREF_1.1
R5111
0Ω
AGC_OUT
R5112
0Ω
VRB_AGC
ATF_GAIN
R5114
0Ω
VRB_ATF
R5115
0Ω
ATF_IN
3
GND
R5117
0Ω
REF_CLK
R5118
0Ω
REC_CLK
R5119
0Ω
REC_DATA
RECCADJ
R5121
0Ω
MONI_CHG
L5004
NQL144K-100X
GND
D_REG_3V
REG_5V
A_REG_3V
C5034
A_REG_2.5V
2
TO MDA
REG_5V
1
A
B
C5053
R5056
OPEN
R5057
R5058
22K
10K
C5051
C5052
TP5011
AGC_OUT
R5059
R5060
OPEN
OPEN
R5006
OPEN
TP5010
ATF_OUT
10µ
IC5002
TC7SH00FU-X
0.1
R5003
0Ω
R5001
R5002
OPEN
OPEN
L5001
10µ
NQL144K-100X
C5064
C5065
C5066
0.1
0.1
22
/6.3
C
The Parts Number , value and rated voltage etc. in the Schematic Diagram are for references only.
Note :
When replacing the parts , refer to the Parts List.
L5005
10µ
NQL144K-100X
C5047 C5046
C5045
C5042
C5041 C5040 C5039 C5038
C5044
0.047
0.047
OPEN
OPEN OPEN
0.047
OPEN
C5049
C5048
0.1
0.1
22
/6.3
C5054
OPEN
C5050
0.1
PB_OUT
AGC_IN
0.1
AGC_CTL
AGC_DET
1000p
PB_GND
C5055
0.1
AGC_OUT
IC5001
AGC_BUFF_IN
C5056
0.1
REG_1.1V
JCY0132
AGC_BUFF_OUT
C5058
4.7
VRB_AGC
MAIN_GND
C5060
0.1
ATF_GAIN
C5062
0.1
VCA_OUT
ATF_IN
C5063
4.7
VRB_ATF
ATF_OUT
TP5009
REC_CLK
TP5007
REC_DATA
C5003
0.1
C5010
0.1
C5005
0.047
C5002
C5004
R5004
R5007
0.1
0.022
470
100k
L5003
NQL144K-100X
L5002
10µ
NQL144K-100X
C5006
C5007
C5008
0.1
0.1
0.1
D
E
4-33
4-34
C5035
C5037
OPEN
0.1
0.1
22
/6.3
C5036
0.1
HEAD_GND
DX3
X3
Y3
DY3
HEAD_GND
R5026
240
DX2
X2
Y2
R5023
240
DY2
HEAD_GND
R5021
240
DX1
R5020
X1
R5019
Y1
R5018
240
DY1
HEAD_GND
10µ
C5009
C5012
22
/6.3
22
/6.3
C5011
0.1
p20171001a_rev0
F
TO DV VIDEO HEAD
CN5001
QGF0501F1-10X
GND
2S
2F
GND
1S
1F
GND
0Ω
(GND)
0Ω
(GND)
GND
G
H

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