JVC HR-S3902US Service Manual page 26

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4.2
MAIN (VIDEO/N.AUDIO) SCHEMATIC DIAGRAM
5
TO FMA/DEMOD
Fsc
GND
NA_REC
NA_PB
TO SW.REG
4
SW12V
SW5V
GND
TO FMA/DEMOD
FMA_CH1
FMA_COM
FMA_CH2
TO DRUM
#
CN1
ONLY USED FOR
FLYING ERASE MODEL
FLY.E
FMA_CH2
FMA_CH1
SP_CH2
SP_CH1
LP/EP_CH2
LP/EP_CH1
3
TO SYSCON
CTL[+]
CTL[-]
CN2001
P/R
A.E
CTL
CN2002
FE
TO SYSCON
CTL1
N.REC[H]
2
N.REC_ST[H]
1
A
0 3 MAIN(VIDEO/N.AUDIO)
#
0.022
C2051
330p
#
C2065
#
B2051
FULL_E.ON[H]
VIDEO
: USED
: NOT USED
#DIFFERENCE TABLE 1
B1, Q1, R4, R14, C3, C16
B2, Q2, R6
B2,
IC1
C18, C21, C23, L2
R7, C17, C22
C52,
SVHS
NSA
VHS
NVA
#DIFFERENCE TABLE 2
#DIFFERENCE TABLE 3
Q401-Q405
L401
REAR1_V_IN
FLYING
R21, R22
R401-R405
R407
CN1
ERASE
C63, C64
R408
C401-C407
YES
1-11 PIN
NO
1-9 PIN
B
#
#
#
C405
R401
R402
OPEN
R404
#
#
C406
R405
C402
220
1k
47k
680p
68k
#
R403
#
390
Q402
#
Q403
#
#
Q401
C404
DTC144WUA
#
L401
47p
15µ
#
#
#
C407
18p
C401
C403
0.01
150p
D1
OPEN
D2
OPEN
L10
10µ
Q10
OPEN
P/R GND
R2051
OPEN
Q2051
2SC4081/QRS/
#
C2053
2SD1819A/QRS/
2PC4081/R/-X
#
R2053
#
R2054
MY
#
C2052
#
R2056
#
T2051
R2055
#
R2052
C2055
C2054
3.3
OPEN
10
/25
#
Q2061
2SC4081/QRS/
2SD1819A/QRS/
2PC4081/R/
#
#
C2062
0.0033
R2064
C2061
MY
MY
OPEN
#
R2061
#
R2063
150
27k
#
Q2062
2SA1576A/QR/
2SB1218A/QR/
#
T2052
#
2PA1576/R/
#
C2064
#
C2063
R2062
10
/25
0.01
3.3
#
Q2063
DTC144WUA
PDTC144WU
UN521E
RN1309
R27
R3
R19
C2
C46
L1
L6
L9
100
4p
0.1
150
100
8.2k
33p
0.033
SHORT
SHORT
C14
YES
NO
#
#
C63
C64
0.01
0.01
#
R27
1.2k
#
L9
10µ
#
R22
2.2k
#
C52
15p
#
R21
2.2k
C2003
C2004
47
/6.3
0.01
L2001
SHORT
#
Q405
#
R408
47k
#
R407
4.7k
#
Q404
DTC144WUA
C57
0.1
Q7
OPEN
Q8
C61
OPEN
47
/6.3
C58
0.1
C59
0.1
Q9
OPEN
C60
0.1
R2021
4.7
R2057
47k
R2058
18k
Q2053
DTC144WUA
Q2052
PDTC144WU
2SA1576A/QR/
UN521E
2SB1218A/QR/
RN1309
2PA1576/R/
R2059
47k
R2060
18k
Q2054
Q2003
2SA1576A/QR/
DTA144WUA
2SB1218A/QR/
PDTA144WU
2PA1576/R/
UN511E
RN2309
47k
Q2055
DTC144WUA
PDTC144WU
Q2001
UN521E
2SC4081/QRS/
#
RN1309
2SD1819A/QRS/
R2065
2PC4081/R/
18k
R2018
4.7k
R2019
4.7k
Q2002
2SC4081/QRS/
2SD1819A/QRS/
2PC4081/R/
AUDIO
#DIFFERENCE TABLE 4
MODEL
T2051
T2052
PELN0860,
PELN0861,
with A.DUBBING
QQR1082-001,
QQR1083-001,
QQR1310-001
QQR1311-001
PELN0832,
PELN0954,
w/o A.DUBBING
QQR0002-001,
QQR1309-001
C
D
C56
C55
0.1
OPEN
R24
OPEN
#
B6
Q6
OPEN
TP111
D.FF
R2022
10k
D2001
1SS133-T2
R3
1SS270A-T2
15
TANK
ENVDET
P/R VCC
SP2
SW44
C62
SP1
0.01
SW45
SW46
P/R GND
SP2
SW47
SP1
SW48
33k
SW49
C2005
A VCC
/50
AUDIO ALC
R2014
390k
R2013
12k
SW4
SP ON
C2006
R2015
C2007
0.0068
390
PREAMP
22
/16
C2008
4.7
/50
SW3
REC ON
C2010
0.00082
SW2
EP ON
R2017
C2011
4.7
/50
REC
EQ
18k
A GND
C2012
4.7
/50
C2009
R2016
0.0015
47k
IC1
JCP8060
10k
R2024
R2007
12k
NA_REC
R2003
100
NA_PB
#
Q1
DTC144WU
Q2061-Q2063
B2051
R2061-R2065
C2052
R2053
R2054
R2056
C2062-C2064
0.033
3.9k
15k
100
3.3k
12k
82
4-5

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