JVC HR-XVC22UC Service Manual page 171

3 MAIN (VIDEO/N. AUDIO, TERMINAL)
L7
FILTER
57
59 58
DOWN
LCVCO
CONV
CHROMA ACC
SW
ACC DET
SW30
P
VCA
CLPF2
4PHASE
R
R P
SW29
MAIN
+
CONV2
SW31
P R
P R
SW51
L-DET
PILOT PILOT
B.D
ERASE ADD
P
C
BPF SW28
4.43PAL
MPAL CONV.
R
SW17
SW15
SVHS+L-SECAM
P
SECAM
DELAY Y-LPF
N.L.
+SSEQ
DE-EMPH
R
VIDEO AGC
SQPB SVHS+L-SECAM
SW20
P R
GCL
SW14 ATT
ATT
-10dB -10dB
N.L.
YNR DEH ET LPF
EMPH
HP-NC PC
SW18
TRAP-NC
SW52
P
R
E CLEAR VIDEO ALC
SYNC / FBC
H
R
SW21 SW22 R*SDECK
ATP
35PinGCL
PG AGC DET
0.5Vp-p R*SDECK
GCL
7 24 26
21
23 19 17
NOT NOT
USED
USED
V
NOT
USED
X2
65 63 67 69 71 70
72
CCD
CONT
X-TAL CR DET
2fsc
VCO/OSC
REC
APC
ACC PB
KILLER
APC
REC
DET DISCRI
AFC
APC
SW
SW35 SW36
L-SECAM
CLPF1
+ CHROMA MIX LEVEL
C.K
SW33 ADJUST
ACC
R P L-SECAM
B.E
C-ACC:THROUGH
L-SECAM
TRAP
:ON LPF
MAIN
CONV1
SW34 L-SECAM
SW37
FH HPF
CTL TRAP
P R
TRAP
:OFF
SW32
R
C REC TRAP
DELAY
HiFi TRAP
P
2MLPF
DELAY
SW38
P
ACC
R
SD
SW25
C
HPF
SD
SQPB
DL
SQPB
SQPB
P-EQ
SW12
SW16
LPF S-DET
G-EQ
FM AGC
DO DET
DET
DLIM SW11
P
ATT ATT
-10dB -4dB
DEMO R
SUB LPF
REC FBC+ALC
PB AGC+APL
R
SW13
P
ATT
MAIN
-6dB
DE EMPHASIS
16 12 14 10
15
R3,L1,C2
FILTER
WF1
WF2
WF4
TP106
PB. FM
NOT
USED
76 77 78
B-Y INVERT
D.FF
TANK
MESECAM
DET
HPF ENVDET
DET DET
SW39
SP2
SP2
SW42 SW44
CH2
CH1
SP1
SW45
SP1
+ REC
VC
MUTE
SW46
SW40
SW41
EXT
SP
INT
SP2
SP
57 PIN
EXT SP2
SW43 SW47
3.3k ADD
CH2
CH1
INT
EXT
SP1
SW48
SW8
SP1
P
SW9
629
SW49
TRAP
R
REC
FILTER
FM MOD
FO/DEV ADJ
MAIN EMPHASIS
CARRIER OFFSET
W.C/D.C
SW10
IC1
( VIDEO & AUDIO
SIGNAL PROCESSOR )
TO
FMA/DEMOD
Fsc
WF5
TP111
TO
D. FF
SYSCON
80
D. FF
81
NOT
TO
82 USED
SYSCON
83
VIDEO_ENV
85
U.DRUM
86 CN1
8 8
6
87
7 7
5
6 6
WF6 4
5 5
4 4
3
3 3
89
2
2 2
1
1
1
90
91
TO
SYSCON
20
S_DET
8
9
VIDEO
HEAD
SP CH2
SP CH1
LP/EP_CH2
LP/EP_CH1
2-34