Board Interconnections - JVC SR-VS20E Service Manual

Mini dv/s-vhs video cassette recorder
Table of Contents

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4.1

BOARD INTERCONNECTIONS

5
DC3.5V[-]
DC3.5V[+]
S.PROTECT
0 1
SW REGULATOR
4
J2001
DV IN/OUT
SENSOR
CN1502
CASSETTE SW
MIC 1
GND
TU REEL LED
5
TU REEL SENSOR
MIC 2
SUP REEL LED
SUP REEL SENSOR
END SENSOR
MIC 3
LED
GND
3
START SENSOR
GND
REC SAFETY SW
M
DV
HOUSING MOTOR
CN5501
4.5V(M)
FF/REW 6V
MDA 6V
AL5V(DV)
GND(M)
2
CN5507
GND
HOUSING SW
HOUSING MOTOR+
87
S/P CONVERTER
HOUSING MOTOR-
85
JOG
CN5505
58
DRUM MOTOR
R.ENC3
57
CAP MDA
R.ENC2
R.ENC1
55
LOADING MOTOR
GND
50
DV MAIN
47
LED/SW
DV
U.DRUM
41
ENCORDER
36
JACK
28
DISPLAY
27
EJECT SW
17
ON SCREEN
16
P/R MDA
15
S-SUB
14
DEMOD.
1
12
A/C HEAD
06
TERMINAL
DV VIDEO HEAD
05
3D D/2M
03
MAIN
02
REGULATOR
01
SW REGULATOR
NO
NAME
# MARK ELEMENTS ARE NOT MOUNTED
A
B
MS MODEL ONLY
M
8 7
S/P CONVERTER
FAN MOTOR
CN5201
CN5301
GND
GND
GND
CN5322
GND
48V
0
2
REGULATOR
12V
4V
4V
BT2
4V
-29V
6V[DV]
AUDIO[-]
6V
6V
17V
CN3501
0
DV MAIN
CN3701
(DV SYSCON
Page 4-39)
(DV MSD
Page 4-41)
(DV MAIN
Page 4-43)
(DV I/O
Page 4-45)
(DV V OUT
Page 4-47)
(AUDIO AD/DA
Page 4-49)
(DV DSP
Page 4-51)
CN1002
1
6
P/R MDA
(MDA
Page 4-31)
(PRE/REC
Page 4-33)
DV DRUM MOTOR
DV CAPSTAN MOTOR
M
M
M
LOADING
MOTOR
C
OPEN
0
6
TERMINAL
(Page 4-25)
CN7509
NC
NC
1 4
DEMOD.
AL6V
(Page 4-27)
P.SAVE[L]
V.UP[H]
P.CTL[H]
GND
DC3.5V[+]
-29V
DC3.5V[-]
GND
GND
M12/17V
DRUM12V
M12V
CN7508
1
CH+12V
7
ON SCREEN
RF5V
(Page 4-35)
BT2
GND
GND
GND
SW12V
AL12V
AUDIO(-)
SW5V
SW5V(2)
48V
AL5.8V
CN2601
GND
DV A PB(R)
GND
0
5
3D DIGITAL/2M
DV A PB(L)
GND
(Page 4-23)
DV A REC (R)
DV A REC (R)
GND
DV A REC(L)
CN3014
RXD
TXD
DAIL_PLAY
DIAL_OFF
DIAL_AUTO
HOUSING_SW
ROTARY
ENCODER
5
8
M
DRUM MOTOR
M
5
5
LOADING
MOTOR
4 1
U.DRUM
FW7006
(Page 4-38)
2
7 EJECT SW
D
E
4-3
4-4
J7101
S-OUT
J7102
AV1
J7105
J7103
AUDIO OUT(L/R)
SAT CTL
J7103
AV2/DECODER
TUNER
V_FROM_OSD
GND
C_OUT
0 3
MAIN
GND
(VIDEO/AUDIO
Page 4-7)
Y_OUT
(SYSCON
Page 4-9)
GND
(SUB CPU
Page 4-13)
REAR2_C_IN
(TUNER
Page 4-15)
GND
(VIDEO I/O SW
Page 4-17)
REAR2_Y_IN
(AUDIO I/O
Page 4-19)
GND
(CONNECTION
Page 4-21)
REAR1_C_IN
GND
REAR1_Y_IN
CN702
SW5V
SW5V
TO PS C
GND
FROM PS C
GND
TO PS Y
1
5
S-SUB
GND
FROM PS Y
(Page 4-29)
CN3003
GND[C]
CAP_FG
CAP_CTL_V
SW5V
GND[M]
CAP_REV[L]
NC
MOTOR12V
CN2002
FULL ERASE
GND
CN2001
REC
GND(C)
A.ERASE
GND(C)
CTL HEAD(-)
CTL HEAD(+)
#
CN7003
3 6
JACK
(Page 4-38)
2 8
DISPLAY
(Page 4-37)
FW7005
FW7007
S IN
V IN
L IN
R IN
R.PAUSE
J7001
J7002
J7004
J7003
J7005
(Page 4-38)
4
7
LED/SW
F
G
RF IN
RF OUT
CN7506
NC
MS MODEL ONLY
OPEN
M
5 7
CAP MDA
F.E
FULL ERASE HEAD
CN1
R/P
PB
A.E
CTL
1 2
A/C HEAD
OPEN
8 5
JOG
(Page 4-38)
FW7008
p10291001a_rev1
H

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