Demodulator Schematic Diagram - JVC HR-S6950EU Service Manual

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4.15 DEMODULATOR SCHEMATIC DIAGRAM

5
1 4 DEMOD
4
TO MAIN (TUNER)
3
CN6701
CN6701
NC
I2C_DATA
I2C_CLK
TU_A_MUTE
DEMOD_[R]
DEMOD_[L]
SW5V
GND
COMP
SIF
L6702
1µ
R6721
3.9k
C6732
2
0.01
R6722
4.7K
C6733
0.0022
1
A
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.
C6701 C6703
2.2 /50 2.2 /50
C6702 6800p
R6701
1k
# R6702
OUTL
C6704 6800p
R6703
1k
# R6704
OUTR
V DDA1
R6705
10
V SSA1
C6705
0.47
V
SSD1
R6706 K6701
10 600
V DDD1
C6706
0.47
V
SSD2
# R6707 # K6702
3.3 600
V DDD2
#
C6707
0.47
TP2
NICAM
#
C6708
0.47
TP1
#
L6703 R6726
3.3µ
#
C6740
220p
Q6701
2SC3354
#
C6734
R6723
0.01
47
#
R6724 R6725
220 100
# C6709
0.047
B C
R6719
3.3
#
R6720
10
#
C6727
0.47
C6728
0.01
C6730
/16
47
C6729
2.2 /50 K6707
600
C6731
0.01
SCK #
C6726
0.47
WS
# C6725
0.47
# R6718
SDO
C6724
R6717
SDA
C6723
K6706
600
R6716
# IC6701
SCL
K6705 #
600
V DDD3
V
SSD3
#
C6721
CRESET
C6720
K6703
600
SIF1
C6719
0.01
V ref1
C6718
0.22
SIF2
# C6717
0.22
# R6714
4.7k
# C6716
C6712 0.47
B6702 27p
X6701
#
R6708
24.576
# #
10k
MHz
R6712 R6713
2.7k 10
CH
#
R6709
39k
# #
B6701 C6715
0.0047
# C6710 # C6711 # D6701
0.33 /50 0.033 1SV214
Digitized in Heiloo Netherland
D E
4-29 4-30
# DIFFERENCE TABLE
V12 EK/ARC
IC6701 TDA9874H
R6707 10
R6708 10k
R6709 39k
R6710 39k
3.3k
100p
R6713 10
100
R6720 10
100p
100 R6725 100
K6704 R6715
C6722
R6726 1k
600 10
0.47
C6707 0.47
# R6727
1k C6710 0.33/50
0.22
C6711 0.033
1 /50 C6712 27p
C6713 27p
C6714 0.0012
C6734 0.01
C6740 NOT USED
L6701 3.3µ
1SV214
D6701
K6702 600
R6702,R6704,
R6712,R6714,
R6717,R6718,
C6708,C6709, NOT USED
C6715,C6717,
C6721,C6725,
C6726,C6727,
B6701
F
3/28/2017
V12 EU/MS V13/V14
TDA9874AH
NOT USED
0Ω
NOT USED
NOT USED
NOT USED
NOT USED
100
NOT USED
2.2k 1k
NOT USED
NOT USED
NOT USED
NOT USED
0Ω
NOT USED
NOT USED 0.01
220p NOT USED
NOT USED
NOT USED
NOT USED
p20130001a_rev1
G H