Main(Video/N. Audio) Schematic Diagram - JVC HR-S2901U Service Manual

4.2 MAIN (VIDEO/N.AUDIO) SCHEMATIC DIAGRAM
0 3 MAIN(VIDEO/N.AUDIO)
TO FMA/DEMOD
Fsc
RF_AUDIO
NA_PB
NA_REC
A.IN1[R]
A.IN1[L]
F.AUDIO[R]
F.AUDIO[L]
GND
5
LINE_OUT[R]
LINE_OUT[L]
TO TERMINAL B2001
OPEN
LINE_OUT[L]
LINE_OUT[R]
F.AUDIO[L]
F.AUDIO[R]
A.IN1[L]
B2002
A.IN1[R] OPEN
REAR1_V_IN
GND
TO TUNER
TU_AUDIO
RF_AUDIO
TU_VIDEO
GND
TO SW.REG
SW12V
SW5V
GND
TO FMA
FMA_CH1
FMA_COM
FMA_CH2
4
TO DRUM
# CN1
ONLY USED FOR
FLY.E
HR-S5901U/S5911U/S5911U(C)
FMA_CH2
FMA_CH1
SP_CH2
SP_CH1
LP/EP_CH2
LP/EP_CH1
TO SYSCON
CTL[+]
CTL[-]
GND
3
CN2001
P/R
C2051
330p
A.E.
CTL
CN2002
F.E.
# B2051
TO SYSCON
FULL_E.ON[H]
N.REC[H]
N.REC_ST[H]
2
TO S-SUB
GND
MAIN_ALC_DET
Y_TO_AV
V_FROM_AV
REC_COLOR
Y_TO_SUB
PB_COLOR
V_TO_OSD
Fsc
KILLER_DET
1
# DIFFERENCE TABLE
SYMBOL Q401-Q405
MODEL R401-R409
FLYING YES
ERASE
NO
SYMBOL T2052,Q2061,Q2062,Q2063
R2061,R2062,R2063,R2064,R2065
MODEL C2052,C2062,C2063,C2064
with A.DUB
w/o A.DUB
A
# R21 2.2k
# R22 2.2k
# # # Q405
C405 #
R401 R402
R404 # R405
# OPEN #
C402 220 1k C406
47k 68k
0.022 680p
# R407
# R403 4.7k # R408
390 # 47k
Q402
# Q401 # Q403 # Q404
#
L401
# C404 15µ
47p
# # # C407
C401 C403 18p
0.01 150p
D1 SHORT
D2 OPEN C1 0.1
Q2
OPEN
Q1
OPEN C2 0.1
L1
10µ
C3 0.1
Q4
OPEN
R77 R120
Q3
OPEN C5 10k 0Ω
47 TP111
/6.3
C4 0.1 D.FF
C8 C7
# C69 # C70
0.1 150p
0.01 0.01
R2051 OPEN
# C2053 Q2051 R2057
47k
#
R2053
MY R2058
# C2052 18k
# R2054 Q2052
0.033
# R2056
#
T2051 R2059
# R2055 Q2053
R2052 C2055 C2054 47k
3.3
OPEN 10 /25
R2060
18k
Q2054
# C2062 0.0033 # R2064
#
Q2061 47k
Q2055
MY
# C2061
# R2063 Q2003
Q2001
# R2061 27k 150 #
# Q2062
R2065
18k
R2018
# #
T2052 4.7k
# #
PELN0861 C2064 C2063 R2062
10 /25 0.01 3.3 R2019
4.7k
# Q2063
Q2002
L15
10µ
TP106
PB FM R27 R32
R25 1k Q8 1k
10k
R29
2.2k
R68
Q7
R12 L19 2.2k
100 10µ
C73
12p
C72
47p
C71
0.01
C60 C59 Q9
47 0.01 Q33
B48 C74
/6.3
OPEN 12p
R31
S_DET
R26 R28 1.2k
8.2k 1k
: Used
: Not used
C401-C409 R21,R22
CN1
L401,L402 C69,C70
1-11 PIN
X 1-9 PIN
B2051 T2051 R2053 R2054 R2056 C2053 C2054 C2061
X PELN0860 4.7k 15k 100 0.0033 0.01 0.033
X PELN0832 5.6k 12k 82 0.0047 0.022 0.082
B C
R2005 OPEN
R2006 OPEN
R2007 12k
C2003 C2004
47 /6.3
OPEN
L2001
SHORT
BDL GND
COMP
PRE/REC GND
SP2
C6
SP
0.01
COMMON
PRE/REC
AMP
SP1 SECAM REC LEV.
D1*D18 R
TRAP CTL
LPF
VCA MUTE P
SECAM D1*D18
PRE/REC VCC SP
SECAM
2M LPF
SP
LP/EP2 P
ACC CTL.P.TRAP
Fh TRAP
LP/EP R
COMMON
PRE/REC
COMP
HPF
AMP
LP/EP1 SEP
ENV OUT
R2021 OPEN
629TRAP
D.FF
P
C2005
R
DET
4.7 /50
LPF
A.GND
R2014 220k MOD
C2007 R2013
DE MOD
22 /16 6.8k SUB LPF
R2015 C2006 CARR./DEV.ADJ
220 0.012 S-DET
C2008 4.7 /50
C2010 0.0015 ET
FBC N.L.
ALC
ET ET
C2011 4.7 /50 LPF
REC
R2017
Y
15k P
BDL YNR
TANK CARREA R
OFFSET
MAIN
EMPHA.
C2009 INT
R2016 W.C./D.C
0.001
47k P R
D17
DO DO
EXT CTL &REC
DC PB R P
MAIN LPF CLAMP CLAMP
DE EMPH.
Y GND
IC1
JCP8051-NSA
C61 0.01
C136 C62
OPEN OPEN OPEN
L2
100µ
L20
R1
SHORT
6.8k
C84
22p
C2012 C14 C15 C16 C63
C10 C11 C12
4.7 /50 0.1 0.01 0.1 0.1
150p 0.1 7p
R34 R33
R75
22k OPEN R2
R3 OPEN
1.5k
470
Q17
VHS[H]
R104
6.8k Q38
R93
1k
C110
L28
330p
15µ
R90
470
ALL NPN TYPE TRANSISTORS ARE 2SC4081/QRS/.
ALL PNP TYPE TRANSISTORS ARE 2SA1576A/QR/.
ALL NPN TYPE D.TRANSISTORS ARE DTC144WUA.
ALL PNP TYPE D.TRANSISTORS ARE DTA144WUA.
D E
4-5 4-6
Note : The Parts Number , value and rated voltage etc. in the Schematic Diagram are for references only.
When replacing the parts , refer to the Parts List.
R2004 OPEN
R2002 OPEN
R2003 R2001
100 OPEN
C2001 C40
C2014
C2002 4.7 OPEN
1 /50 /50
INPUT_SEL
R79 OPEN
C39
HIFI HIFI
BDL VCC
R118
0Ω
P BDL DET
C
VCA
DL R
BDL R9
CCD LPF
DATA
C-LPF C-LPF IIC LOGIC
R8
CLK
MAIN
MAIN
CONV.2 R36
CONV.1
2FscVCO LPF
SECAM
D5 D5
P R R P
C.K.
C GND
Fh LOCK CTL X2
QAX0575
C54
MESECAM 2Fsc OUT
LEVEL DET1 LEVEL DET2 DET CR DET 0.01
PILOT
P BURST
BPF
EMPH./DE EMPH. C36 C35
R ADD B23
4.7 /50 0.1
X'tal
VCO/XO
OPEN
1/2
PHASE SW.
FM AGC C120
DOWN CONV. OPEN
P EQ
DET C.KILLER
SQPB DL ID DET
C34
SQPB SQPB
DO DET ACC DET
APC SW
D.LIM.
SB GAIN G EQ R7
DISCRI REC AFC
NT on PAL
CNV. C32
R D.E. PB APC 0.01
P.C. PULSE C VCC
P N.C. C.K.
GEN.
R R6
REC APC
SQPB SQPB
WHITE P L11
EQ
LIM. 4PHASE GEN. 1/2 C29
P
CLEAR 2FL VCO
SQPB
SYNC 12µ
R
ALC
FBC
C26 C27
R AGC
Y-LPF AGC DET KILLER
D4 DET OUT 0.01
P PB ALC SQUELCH
C-SQUELCH
CLAMP C25 4p
D4
CH4 CH1
CH3 CH2
-10dB -10dB
SYNC SEP
-10dB -10dB
Y VCC
R48
L4
1k
10µ
D5 D4
L3 10µ
OPEN C23
0.01
C81 OPEN
B17
R66
OPEN
C17 C18 C9 C19 C20 C21 C22 C24 C80 OPEN
3.3 OPEN 0.01 2.2 1 0.1 47 /6.3 0.1 0.01
R46
/50 /50 /50
220
Q32
OPEN
Q21 AGC_CTL
L13
47µ
C64
22p
Q23
OPEN R5
OPEN
B11
C135
OPEN
R49
OPEN
C51
OPEN
B9
OPEN
F
10 /25
0.01
L5 10µ
C38
47 /6.3
C37
1 /50
470
470
1.8k
R44 R42
22k 680
R45
33k
Q12
0.1
C33
1k 2.2 /50
C31
47 /6.3
C30
10k 0.47 /50
0.0047
C28
3.3 /50
0.022
TO SYSCON
A.MUTE[H]
EP_SHORT/FLY_REC[H]
SP_SHORT/FLY_REC_ST
D.FF
VIDEO_ENV
I2C_DATA_A/V
I2C_CLK_A/V
V.PULSE
ET_REC[H]
S_DET
AGC_CTL
SB_GAIN
V_TO_OSD
TO TERMINAL
GND
FRONT_V_IN
p10417001a_rev0
G H