Video/Audio Schematic Diagram - JVC SR-VS20E Service Manual

Mini dv/s-vhs video cassette recorder
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4.3

VIDEO/AUDIO SCHEMATIC DIAGRAM

0 3
MAIN (VIDEO/AUDIO)
TO
CONNECTION, AUDIO I/O
FMA_OUT[L]
FMA_OUT[R]
DEC_OUT[L]
DEC_OUT[R]
5
A.IN1[L]
A.IN1[R]
A.IN2[L]
A.IN2[R]
A.SEL_IN[L]
A.SEL_IN[R]
GND
TO
TUNER, AUDIO I/O
TU_AUDIO
DEMOD[L]
DEMOD[R]
GND
TO SYSCON
A.FF
A.ENV/ND[L]
A.MUTE[H]
H.REC_ST[H]
EDS_CS/PAL_PB[H]
TO CONNECTION
GND
SW5V
SW12V
CN1
TO U. DRUM
FLY.E
4
FMA_CH2
FMA_CH1
SP_CH2
SP_CH1
LP/EP_CH2
LP/EP_CH1
TO A/C HEAD
CN1
CN2001
P/R
A.E
3
CTL
TO SYSCON
CTL[+]
CTL[-]
GND
TO FOLL ERASE HEAD
CN2002
FE
TO SYSCON
FULL_E_ON[L]
N.REC[L]
N.REC_ST[H]
TO
SECAM
#
B55
SECAM_DET
PB_FM
REC_COLOR
#
B56
EE[L]
#
B57
SECAM[H]
L26
SHORT
fsc
GND
C.SYNC
SW5V
TO_PS_C
#
L25
SHORT
2
NC
PB_COLOR
TO
VIDEO I/O SW
TO_PS_C
2Fsc
B44
OPEN
: Used
#
DIFFERENCE TABLE
1
: Not used
IC2 Q14 D8
SYMBOL
R4 R47
C76-C79
L14 L25
MODEL
B22 B26 B46 B50 B55-B57
HR-DVS2EU
HR-DVS2EK
HR-DVS2MS
A
B
R409
10k
L402
Q405
R401
R402
C405
SHORT
220
680
OPEN
R406
R404
39k
C402
47k
0.022
R408
Q401
47k
R403
C406
R405
0.001
560
68k
R407
C409
4.7k
OPEN
Q404
Q402
L401
15µ
Q403
C401
C403
C404
Q2251
0.01
130p
47p
C407
15p
R2252
4.7k
D1
OPEN
C2003
C2256
47
/6.3
OPEN
TO SHEELD
L2251
10µ
L2001
10µ
B42
R21
R22
L1
2.2k
2.2k
10µ
C1
0.01
Q2
2SC4081/S/
Q1
2SC4081/S/
C2
0.01
C3
0.01
Q4
2SC4081/S/
C5
330
Q3
/6.3
2SC4081/S/
C4
0.01
R77
TP111
10k
D.FF
C69
C70
0.1
0.1
R2057
47k
Q2051
R2058
R2051
OPEN
18k
Q2052
Q2053
C2053
0.0047
C2051
R2059
330p
47k
R2053
MY
4.7k
C2052
0.033
R2054
15k
R2060
18k
R2056
OPEN
T2051
100
R2052
C2055
PELN0860
C2054
Q2054
R2011
R2055
10k
10
/16
0.01
3.3
R2064
Q2061
47k
R2065
C2062
0.0033
18k
C2061
MY
R2020
0.033
R2063
1k
Q2062
R2061
27k
150
D2001
T2052
C2064
1SS355
PELN0861
10
/16
C2063
R2062
Q2004
0.01
3.3
R65
OPEN
L15
10µ
C59
0.1
C60
220
/6.3
R23
1.8k
B5
R113
OPEN
100
B4
TP106
PB FM
OPEN
Q5
#
C77
#
0.01
C78
0.01
B49
B48
OPEN
#
B50
C129
OPEN
R25
R27
H
B1
R68
OPEN
2.2k
10k
220
R29
680
C130
OPEN
Q7
R61
OPEN
H
#
Q14
#
B22
C71
#
IC2
OPEN
MM1113XF
C72
L18
47p
22µ
Q31
#
B46
OPEN
#
C76
C75
R24
OPEN
330
C103
0.01
0.01
L17
5.6µ
R26
R28
6.8k
220
B2
OPEN
C93
22p
EE[L]/5_PB[L]
C
D
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.
R2003
0Ω
R2206
0Ω
R2208
100
R2210
R2209
100
R2211
C2213
R2207
R2004
C2214
R2005
0Ω
R2006
39k
R2007
39k
R2213
39k
R2217
0Ω
R2218
39k
R2219
39k
R2220
39k
R2226
12k
TP2253
R2012
L2252
15k
R2251
150µ
1k
R
C2255
180p
L
L
Q2252
DTC114EUA
C2227
0.1
C2004
C2251
C2252
R
0.01
47
/16
0.01
C2253
0.1
K2251
SHORT
L
K2252
SHORT
C2254
0.1
K2253
SHORT
C87
OPEN
C6
C
C88
0.1
OPEN
C89
C
OPEN
C90
OPEN
C2005
4.7
/25
R2014
220k
C2007
R2015
R2013
22
/16
180
6.8k
C2006
0.012
4.7
C2013
C2009
0.001
C2008
/25
OPEN
R2016
39k
C2010
0.0015
R2017
18k
Y
C2011
4.7
/25
Y
C65
1
/50
Y
#
C2021
0.01
IC1
Q2003
JCP8020-MSD-2
#
Q2011
Q2001
C15
R2018
0.1
4.7k
C61
0.01
R2019
4.7k
C84
6.8k
Q2002
L20
68µ
C10
R35
150p
C12
OPEN
2
OPEN
Q16
OPEN
SP[H]
C11
C14
C63
C17
C18
C9
C52
0.1
R70
0.1
0.1
0Ω
3.3
1
2.2
OPEN
/50
/50
/50
Q17
R33
R34
8p
VHS[H]
39p
R2
1.5k
0.5
Q8
B3
R32
470
L19
12µ
C73
12p
R104
B54
6.8k
OPEN
R92
Q38
1.5k
R54
1.5k
B8
OPEN
Q9
R30
R93
C110
R62
2.2k
82p
100
Q18
L24
C109
27µ
C82
R31
0.22
OPEN
C74
OPEN
1.5k
C106
820p
L28
68µ
Q28
R90
390
OPEN
C51
OPEN
ET_PB[H]
E
4-7
4-8
10k
10k
10
/16
10
/16
C2208
C2001
4.7
/50
4.7
/50
R2121
B2101
150
0Ω
C2121
D2121
47
/16
MTZJ8.2C
R2231
OPEN
C2207
D2201
47
/16
11ES2
L
R
R
C2205
1
/50
L
B37
C2204
C2203
10
/16
0.001
R2228
R2229
C2201
10k
56k
0.1
C40
10
/16
C2231
HIFI MODEL
HIFI MODEL
0.001
C2202
0.033
L5
QQR0657-019
C37
R79
1
OPEN
C38
C39
C45
R9
0Ω
I2C_DATA
330
0.1
OPEN
/6.3
R8
0Ω
I2C_CLK
R36
1.8K
X2
C36
OPEN
R39
OPEN
C54
OPEN
4.7
/25
C
C35
C131
0.01
0.01
X1
QAX0576
R38
1k
C53
100p
C34
0.1
R7
680
C33
2.2
/50
C32
OPEN
C31
100
/6.3
R6
27k
C30
0.47
L11
OPEN
C29
0.033
C28
3.3
/50
C
C27
0.022
L12
R41
QQR0967-001
3.9k
Q10
D3
SHORT
C96
OPEN
R40
R76
OPEN
2.2k
R114
100k
Q25
C23
0.1
L4
10µ
L3
C104
10µ
OPEN
B38
B18
R66
OPEN
SB_GAIN
M_TRICK[L]
C105
R81
C81
OPEN
OPEN
R80
R-Y_REV
OPEN
OPEN
R48
R72
OPEN
R46
1k
270
#
B26
C19
C20
C21
R69
C24
C94
2.2
1
0.1
OPEN
0.1
0Ω
/50
/50
C.SYNC/V.REF
L27
L13
Q34
Q21
#
OPEN
33µ
33µ
Q32
L14
B35
OPEN
100µ
OPEN
EE[L]
#
C79
C108
C64
C112
39p
68p
22p
OPEN
AGC_CTL
R82
OPEN
ET_PB[H]/AGC_CTL
Q40
3.58NTSC[H]
OPEN
Q39
OPEN
R84
OPEN
EE[L]/5_PB[L]
R85
OPEN
C114
SP[H]
180p
Q41
MESECAM[H]
#
D8
SHORT
V.PULSE
Q37
OPEN
R91
B45
OPEN
OPEN
2SC4081/QRS/.
2SA1576A/QR/.
DTC144WUA.
DTA144WUA.
F
D6
MTZJ5.1C
C41
C42
OPEN
OPEN
R88
0Ω
Q24
B19
OPEN
2Fsc
R51
1.2k
Fsc
R42
R44
680
OPEN
Q12
OPEN
R45
R43
OPEN
OPEN
Q11
OPEN
TO SYSCON, SUB CPU
LP_SHORT[H]
SP_SHORT[H]
D.FF
VIDEO_ENV
FLY.ON[H]/VHS[H]
FLY.REC[H]
3.58NTSC[H]
I2C_DATA_A/V
I2C_CLK_A/V
3.58NTSC[H]
SEC.DET/KIL/BIT_IN
V.PULSE
NORM/MESEC/S
C.SYNC/V.REF
SB_GAIN
SP[H]
EE[L]/5_PB[L]
JUST/EDS[H]/SECAM
ET_PB[H]/AGC_CTL
BS_P.CTL/MESECAM[H]
5_PB[H]
TRICK[H]/M_TRICK[L]
B58
OPEN
p10304001a_rev0
G
H

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