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G
TO VIDEO MAIN(Page:56) PS3901 LINE 1V IN GND CPN 1C IN GND CPN 1Y IN GND MUSE FM L LINE FM L GND GND GND L3 IN(R) GND L3 IN(L) GND L1 IN(R) GND L1 IN(L) JK3901 K1U823A00001
A-LINE A5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16
A-LINE
A
R3908
R3909
C3920 0.1 LB3922 C3912 50V1 C3913 50V1 C3921 6V330 C3923 0.1 L3902 33u
D3904 MA3J142E0L
3
1
2 R3943 470
QR3907 UNR511400L
C3924 6V330 C3914 50V1 C3915 50V1 C3916 50V1 C3917 50V1 C3918 16V10 C3919 16V10 C3922 0.01 R3921 75 27 26 75 DR LPF 6dB AMP 25 R3934 75 24 23 CLAMP C3925 0.01
C3910 16V10
C3911 16V10
QR3906 UNR521200L
R3936 4700
B
44 100K 10 LB3901 11 C3901 47P 9 GAIN CTL (0,2,4,6dB)
43
42 100K
41
40 BUF LPF
39 BUF LPF
38
37
36
35 EXTEMAL CONTROL4
34
33
32
31
30
29
28
AV4 IN LINE IN (R)
AMP
AMP
GAIN CTL (0,2,4,6dB)
ALWAYS VCC CLAMP (5V+0.5V) AMP AMP
75 CONTROL VCC DR (5V+0.5V) LPF 6dB AMP
QR3903 UNR521200L QR3905 UNR521200L
R3938 47K
F
LINE IN (L) 8
C3902 47P LB3902 SW1R SW1R A B LPF C MUTE BUF C MUTE SERIAL CONTROL SW2R SW2R A B Lch BUF A B VIDEO SW2R A B C MUTE A B SW1R
Q3907 2SD1819
R3940 10K
R3944 4700
LINE IN V
7 R3901 75 5 2 C3905 0.1 Rch BUF R3902 10K LPF BUF
OR
A B R3941 15K R3942 4700
E
C D E F LB3923
CPN IN
1 3 4 C3906 0.01 6 R3903 75 R3904 75
C D MUTE
C D MUTE
C D MUTE
IC3901 C1AB00001476
SW3R
SW3R
A B LPF BUF
SW3R
A B
A B
LPF LINE OUT LINE OUT (R) 23 22 LB3903 A1 C3907 470P C3908 470P A2 R3971 75 19 17 R3987 1.2K 12 CPN OUT 13 14 15 R3905 75 1 R3906 75 16 18 TO VIDEO MAIN(Page:56) PS3902 CPN C OUT GND CPN Y OUT GND CPS V OUT GND REG 5V WIDE H GND MUSE C IN GND MUSE Y IN GND JSB V IN TO VIDEO MAIN(Page:56) PS3903 R PC R OUT GND AUDIO MUTE GND WIDE H PWR SAVE H 480(L) GND B PC B OUT GND G PC Y OUT 11 10 9 8 7 6 5 4 3 2 1 B2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R3991 1.2K R3907 10K A3 C3926 0.01 A4 C3928 50V1 C3929 50V1 2
BUF C MUTE
C MUTE
EXT MUTE CONTROL (HLCH SW3B) OPEN L SW NORMAL1
C MUTE
R3937 4700
QR3904 UNR521200L
D
21 LINE OUT (L) 20 LB3904
LINE OUT V1
AMP AV2 THROUGH (L) Y/C(H) EXTEMAL EXTEMAL CONTROL1 CONTROL2 LPF BUF
GAIN CTL (0.6dB)
POWER SAVE (HLCH SW3B) OPEN L SW NORMAL1 VIDEO SW3 CLAMP TO AUDIO VCC
10V REG 100K VCC 12V (12V+0.5V) TO REF DC 100K BLANKING (L) EXTEMAL CLAMP CONTROL3
FSS CONTROL TERMINAL (L.M.H) DATA CLOCK INTERFACE BLOCK
QR3902 UNR521200L
R3945 3900 D3902 MA3J142E0L 1 3 2 R3939 4700
CLAMP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
QR3901 UNR521200L
B18 B17 B16
C
C3932 50V1 C3931 50V1 R3973 10K
R3911 220
C3933 50V1
C3934 0.01
C3936 50V1
C3937 50V1
C3935 16V47 C3938 0.01
C3939 0.01
R3986 1.2K C3930 0.01 R3912 220
R3913 150
R3919 150
R3974 10K
R3975 100
R3976 100 R3969 4700 R3967 10K
B1
R3914 150 C3927 0.01 R3920 130
R3972 10K
R3985 4.7K
R3910 150
C3940 6V220
C3941 0.01 L3903 33u
B9
B10
B11
B12
B13
LB3924
Q3906 2SB0710A0L
R3968 68 B15
B
R3917 1K
R3966 10K
Q3902 2SB1218A0L
R3916 100
R3915 100
R3918 1K
Q3901 2SB1218A0L QR3910 UNR521200L (UN5212-TX)
QR3911 UNR511400L (UN5114-TX)
QR3912 UNR511400L (UNR5114TX)
R3962 10K R3963
Q3905 2SD132800L
QR3908 UNR521200L
G H I
A
B3 B5 B4 B6 B7 B-LINE B8 B1 B-LINE B14
J
1
2
3
4
5
6
7
8
9
DMR-E20EB/EG I/O Terminal Schematic Diagram 10 11
K