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A
B
C
A13 A14 A12 A13 A15 A16 A17 A18 A19 A20 A6 A21 A23 A24 LB3923 LB3922
G A22 J0JGC0000020 J0JGC0000020
TO PP7401
MAIN P.C.B.
(MAIN NET SEC.) C3909
PS3901 C3914 C3915 C3916 C3917 C3918 C3919
50V1 50V1 50V1 50V1 16V10 16V10 6V47
IIC CLK 1 B1
IIC DATA 2 B2
PROG(H) 3 C3920 R3905 22K Q3901
R3908 R3909 0.1
BOOSTER+5V 4 470 470 2SD1819A0L C3925
PS 5V 5 (AMP) 0.01
TUNER VIDEO 6 B3 C3921
GND 7 6V330
SCART V IN 8 B4
R3907
GND 9
R3980 470
R3979 470
27K C3923 C3924
CPS V OUT 10 B5
R3906 1K
0.1 6V330
GND 11 C3910 C3911 C3922
16V10 16V10 0.01 R3921 R3934
CPN Y OUT 12 B6 75 75
GND 13
PS 12V 14
F GND
B OUT
15
16 A1
44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23
GND 17 EXTEMAL ALWAYS VCC CLAMP 75 75 CONTROL VCC CLAMP
100K
100K
BUF BUF
G OUT 18 A2 CONTROL4 (5V+0.5V)
- DR DR (5V+0.5V)
-
GAIN CTL
GND 19 (0,2,4,6dB)
AMP AMP LPF LPF AMP AMP LPF LPF
R/C OUT 20 A3
GAIN CTL
(0,2,4,6dB)
6dB 6dB D
AMP AMP
QR3914
UNR221500L
(PROG (H):ON)
A4
SW1R
SW1R
SW1R
A A A
B B OR B
E LPF BUF LPF BUF
C C C
QR3915 MUTE MUTE MUTE
UNR221500L SERIAL
(PROG (H):ON) CONTROL
TO PP7402 A5
MAIN P.C.B.
SW2R
SW2R
SW2R
(MAIN NET SEC.) A A A
PS3902 B B B
Rch Lch VIDEO
AV2 V IN 1 A6 BUF C BUF C C
GND 2 D D D IC3901
R/C IN 3 A7 MUTE MUTE MUTE C1AB00001776
GND 4 (A/V BUFFER AND SWITCH)
G IN 5 A8
GND 6
SW3R
SW3R
SW3R
A A A
B IN 7 A9 B B B
GND 8
LPF BUF LPF BUF
D AV2 8
P50
9
10
A10
A11
C C C
MUTE MUTE EXT MUTE CONTROL MUTE
11 (HLCH SW3B)
12 OPEN LOW NORMAL1
POWER SAVE FSS CONTROL
TO PP7403
MAIN P.C.B. (HLCH SW3B) 10V REG TERMINAL
AMP GAIN CTL OPEN LOW NORMAL1 100K (L.M.H)
(MAIN NET SEC.)
PS3903 AV2 (0.6dB) TO BLANKING
THROUGH TO REF (L)
PWR SAVE(H) 1 B7 VIDEO SW3 AUDIO VCC 12V DC DATA CLOCK
Y/C(H) (L) LPF EXTEMAL
AUDIO MUTE 2 B8 VCC CLAMP (12V+0.5V)
- 100K INTERFACE
EXTEMAL EXTEMAL CLAMP CONTROL3
C GND
L3 IN R
3
4 A12
CONTROL1 CONTROL2
BUF
CLAMP
BLOCK
GND 5
L3 IN L 6 A13
R L R L
GND 7
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
DECODER R 8 B9
GND 9
DECODER L 10 B10
GND 11 C3928 C3929 C3933 C3934 C3939
MIX R OUT1 12 50V1 50V1 C3932 16V100 0.01 0.01
GND 13 50V1 C3935
MIX L OUT1 14 16V100
GND 15 C3931
50V1 C3938 E
R3986
1200 0.1
R3973 10K
C3930
B 0.01
R3972 10K
R3914 R3975 R3976
150 100 100
B5
J0JGC0000020
F
R3985 R3910
R3904 4700 150 R3911 R3912 R3903
LB3925
33 2200 2200 22K
B4
R3913 R3919
180 150
G
H
A
B7 B8 B6 B9 B10 B3 B13 B2 B1
I
DMR-E50EB/EG/GCS
Scart Schematic Diagram
J
1 2 3 4 5 6 7 8 9 10 11