JVC HR-S3902US Service Manual page 49

WF15 WF14
+ +
42 41 40 39 38 37 36
B-Y
ATT BG CR ADJ
BF BF
Y
SSEP
SW11
SW5 SW7
GCL
CONV CONV CONV CONV
DIG OSD
SW10
DIG OSD
PRE
LPF1
REC+ SW4
C
PB*0dB
PB*+1dB
+1dB
VCA
SW3 SW8
DIG DIG DIG DIG
D13
PB
SW2
REC PB
REC
W17 SW1
POSLPF2 POSLPF1
PRE
LPF2
ATT ATT
+6
]
SW19
CL2 CL2
D1*D14*D15
COMP
YC MUTE
1 3 4 5 6 7
NOT
USED
NOT
WF10
USED
WF9
Q903
BUF
BUF
Q901
B903
WITHOUT REAR1_V_IN MODEL
WITH REAR1_V_IN MODEL
this block diagram , refer to page 4-34.
4-28
+
35 33 32 31 30 29
IN
DC
REGEN
ATT
REC
+
LIM2
PB
+
PB REC
PB
REC
NVHS
PB REC
+
LIM1
+
SVHS
SUB-EMPH
SW18
PB+
EXT IN VIDEO
REC∗ REC∗
ACC:ON ACC:OFF
D15
SW9
EXT IN VIDEO
SW6 D9
NC
CK
REC PB
SW12
DIG FIL FIL DIG FIL FIL
OSD OSD OSD OSD
DIG OSD
SW13 SW15
TRAP
C MUTE
OSD OSD OSD OSD
SW14 SW16
+
ATT
YFBC VFBC
YMUTE CMUTE VMUTE
V-OUT
CHARA_DATA
C
Y-OUT C-OUT
CLK DATA
8 9 10 12 13 14
+
WF11
IC903 B906
OPEN SHORT
USED OPEN
28
EQ
SP
27
EQ
EP
26
NC 25
24
OUT
22
21
20
FILTER FILTER
18
17
16
WF13
15
WF12
Y
5
3 7
1
B906
IC903
KILLER_DET
a
VHS(H)
b
SYNC_OUT
c
Y TO SUB
Y
d
TO_SUB_EMPH
e
PB COLOR
C
f
Fsc
g
REC COLOR
C
h
V FROM AV
Y
i
Y TO AV
Y
j
FRONT V IN
Y
k
V FROM OSD
l
I2C DATA A/V
m
I2C CLK A/V
n
REAR1 V IN
o
REAR1_N_IN
p
FROM_SUB_EMPH
q
TO
SYSCON
CHARA DATA
V TO OSD
P.MUTE ( L )
I2C CLK A/V
I2C DATA A/V
J7101
2
FRONT
1
VIDEO IN