1
2
3
4
5
6
7
8
A
B
C
D
E
SCHEMATIC DIAGRAMS (6/11)
AVR-1804/884 / AVC-1880
84
SCHEMATIC DIAGRAMS (6/11)
C-VIDEO UNIT
84
REC SIGNAL LINE
MONITOR OUT
V.AUX/VCR2 OUT
VCR1 OUT
DVD/VDP
GND
OUT
IN4
IN5
H
H
L
H
IN3
IN2
H
H
L
H
*
H
*
L
L
L
*
IN1
MONITOR 0UT
E
B
A
L
C
E
V OUT1
D
L
L
*
IN1
H
L
H
H
L
H
*
L
H
H
IN2
*
H
H
L
H
IN4
H
-
IN5
TV/DBS
V.AUX/VCR2
VCR1
VIDEO_B'D
F
G
A
B
C
D
MONITOR_MUTE
VCR1_MUTE
VCR2_MUTE
E
H
SVIDEO_Y_INPUT
SVIDEO_C_INPUT
S-VIDEO(C)MONITOR OUT
S-VIDEO(Y)MONITOR OUT
RMC_GND
SMONI_DET
VGND
+5.6V
RMC_DATA
+5V
TO SVIDEO UNIT
TO SVIDEO UNIT
C-SIGNAL
Y-SIGNAL
H
*
H
H
L
*
H
L
-
IN5
IN4
IN3
V OUT2
*
L
IN1
GND
GND
CDR/TAPE IN-L
3
2
1
4
GND
CDR/TAPE IN-R
CDR/TAPE OUT-R
5
6
7
CDR/TAPE OUT-L
SMONI_DET
SVIDEO_DET
L
R
L
OUT
CDR/TAPE
IN
CDR/TAPE
R
CDR/TAPE
FROM CPU UNIT
123
2090_CLK2(VIDEO)
TO CDR/TAPE CNT UNIT
RMC_DATA
RMC_+5V
RMC_GND
2090_74781_DATA(VIDEO)
2090_CLK1(VIDEO)
TONE_DFT
VGND
FRONT_VIDEO_IN
74781_SCLK
74781_CS
FROM CPU UNIT
456
CVIDEO_DET
C-SIGNAL
Y-SIGNAL
CB1002
33UH
C1022
20P-J
14.32MHz
XTAL1000
C1027
20P-J
C1028
24P-J
C1032
24P-J
12
11
10
9
8
6
75
13
14
15
16
17
18
19
20
21
43
21
22
23
24
LC74781
IC1006
VSS1
XTALIN
XTALOUTCTR3
CTR2
CTR1
BLANK
OSCINSEPOUT
OSCOUT
CHARA
CS
SCLK
SIN
VDD2
SEPC
SEPIN
VDD1
CVIN
NC
CVOUT
SYNIN
RST
VDD1
R1101
0
C1042
22N-K
C1043 47/35
R1098 200
C1023
1/50
2M2
R1111
1/50
C1031
Q1024
KTC3198Y
R1114
100(1/4)
C1025 47/35
CB1000
BEAD
R1079
220
22N-K
C1024
ZD1000
MTZ5.1B
R1085 220
1N2
C1036
C1026
47/35
KTC3198Y
Q1019
Q1022
2SA933S
C1017 10/35
C1018
470/6.3
KDS160
D1006
D1007
KDS160
R1035 10K
R1059
68
R1061
10K
C1056 1/50
Q1014
KTA1266Y
KTC2874B
Q1010
C1039 1/50
KDS160
D1004
C1019 1/50
D1002
KDS160
22/25
C1009
D1003 KDS160
10/35
C1013
R1014
75
R1034
68
C1016
470/6.3
C1015 10/35
C1014
470/6.3
R1025
10K
R1023
68
D1005
KDS160
KTA1266Y
Q1005
R1027 200
R1028 200
DTC114TK
Q1003
R1094
47
200
R1020
200
R1021
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
C
OUT2
B
IN2
VCC
OUT1
A
IN1
D
IN3
E
IN4
GND
IN5
GND
M.OUT
IC1002
BA7626
C1011100P
C1012100P
DTC114EK
Q1004
DTA114EK
Q1002
CLK
Q12
Q11
Q10
Q9
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
GND
VCC
DATA
16
15
14
13
12
11
10
98
7
6
5
4
3
2
1
BU2090F
IC1003
Q1006
DTA114EK
R1026 10K
1K
R1033
Q1029
KTA1266Y
R1063 130K
C1057 47/25
R1044
2K2
1K
R1110
R1060 200K
Q1007
DTC114TK
KTA1266Y
Q1009
R1048 200
R1049 200
DTC114EK
Q1008
DTA114EK
Q1011
R1036 10K
Q1013
DTC114EK
R1062 10K
R1051
10K
R1052
10K
R1053
10K
R1054
10K
R1055
10K
R1056
10K
10K
R1057
R1058
10K
R1043
200
200
R1125
R1015
1K
1K
R1019
R1018
1K
GND
VEE
INH
1
2
3
6
7
8
BY
BX
CY
5
CX
14
AO
VDD
9
10
11
12
13
15
16
A
B
C
BO
AY
AX
4
CO
74HC4053
IC1001
100K
R1022
R1016
220
220K
R1013
C1007
10/50
R1115
1K5
R1116
1K
C1010
560P
R1088
1K
R1024
1K
C1049
47N-Z
GND
VEE
INH
1
2
3
6
7
8
BY
BX
CY
5
CX
14
AO
VDD
9
10
11
12
13
15
16
A
B
C
BO
AY
AX
4
CO
74HC4053
IC1004
R1064
12K
R1066
1K2
R1124 200
R1089
1K
KTA1266Y
Q1015
R1065
1K2
GND
VEE
INH
1
2
3
6
7
8
BY
BX
CY
5
CX
14
AO
VDD
9
10
11
12
13
15
16
A
B
C
BO
AY
AX
4
CO
IC1008
74HC4053
C1050
47N-Z
R1087 4K7
D1014
1N4148
D1009
1N4148
Q1025
KTA1266Y
10K
R1103
10K
R1104
R1081 470
R1082 16K
R1117 0
CB1001
BEAD
KTA1266Y
Q1012
0
R1113
R1112
OPEN
R1083
1K1
10/50
C1029
430
R1126
KTA1266Y
Q1028
0
R1047
1
2
3
4
8
7
6
5
IC1007
NJM2274R
Y_IN
GND
C_IN
OUT
VCC
VCC
10N-K
C1038
C1037 100/10
C1055
22/25
C1054
100/10
200
R1070
R1122
390
R1123
1K
Q1027
KTA1266Y
10/50
C1030
1K
R1072
R1073
1K
C1020
1P-C
C1021
47/35
R1067
300
R1069
220
R1068
8K2
1K
R1076
47/35
C1035
Q1016
KTC3198Y
1
2
3
6
5
4
7
8
9
18
16
15
13
12
10
LPF
IN1
BPF
IN2
Y
C
L1000
M5-MT/035067
1K
R1091
KTA1266Y
Q1017
R1071
0
R1005
75
R1010
75
R1012
75
22/25
C1000
C1001
22/25
C1005
22/25
100/16
C1002
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
C
OUT2
B
IN2
VCC
OUT1
A
IN1
D
IN3
E
IN4
GND
IN5
GND
M.OUT
BA7626
IC1000
C1003
47N-Z
R1001
10K
R1002
10K
R1003
10K
R1004
10K
R1006
1K
1K
R1007
1K
R1008
1K
R1009
7
6
1
2
3
5
4
9 10
8
11
CN1000
2
1
3
4
5
6
7
8
9
10
11
12
CN1001
R1011 10
2SA933S
Q1000
C1006
47N-Z
D1013
1SS133T
R1107 10
2SA933S
Q1021
C1047 10/50
D1012
1SS133T
D1010 1SS133T
D1000 1N4148
C1004 10/50
1K
R1032
R1106
470
CN1004
R1092
8K2
R1086
330
C1034
1P-C
KTC3198Y
Q1020
R1093
180
1K
R1099
R1102
1K
R1105
1K
C1053
47N-Z
39
R1121
C1052
47/16
KTA1266Y
Q1026
R1118
8K2
R1075
1K2
Q1018
KTA1266Y
R1074
12K
R1078
1K2
R1080
2M7
2M7
R1090
R1095
470
470
R1077
R1084
470
2M7
R1100
JACK1000
JACK1001
CN1003
C1033
100P-J
C1040
100P-J
C1041
100P-J
R1108
2M7
100P-J
C1045
10N-K
C1051
R1120
47K
R1119
200
R1050 1K
R1046 1K
R1045
1K
10K
R1042
R1041
10K
R1040
10K
R1039 10K
CLK
Q12
Q11
Q10
Q9
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
GND
VCC
DATA
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
BU2090F
IC1005
R1037
1K
R1038
1K
DTA114YS
Q1001
D1001
1N4148
R1017 10K
C1044 10/50
C1008
2.2/50
D1011
1SS133T
R1097
220
220K
R1096
C1048
2.2/50
DTA114YS
Q1023
10K
R1109
10K
R1029
R1030 10K
10K
R1031
87654321
9
10
CN1002
Summary of Contents for AVC-1880
Page 20: ...20 20 AVR 1804 884 AVC 1880 PRINTED WIRING BOARDS MAIN P W B UNIT COMPONENT SIDE ...
Page 21: ...21 21 AVR 1804 884 AVC 1880 FOIL SIDE ...
Page 25: ...25 25 AVR 1804 884 AVC 1880 FOIL SIDE ...
Page 26: ...26 26 AVR 1804 884 AVC 1880 CNT P W B UNIT FOR JAPAN MODEL COMPONENT SIDE ...
Page 27: ...27 27 AVR 1804 884 AVC 1880 FOIL SIDE ...
Page 28: ...28 28 AVR 1804 884 AVC 1880 INPUT PRE AMP P W B UNIT COMPONENT SIDE ...
Page 29: ...29 29 AVR 1804 884 AVC 1880 FOIL SIDE ...
Page 30: ...30 30 AVR 1804 884 AVC 1880 DSP P W B UNIT COMPONENT SIDE ...
Page 31: ...31 31 AVR 1804 884 AVC 1880 FOIL SIDE ...
Page 32: ...32 32 AVR 1804 884 AVC 1880 C VIDEO P W B UNIT COMPONENT SIDE ...
Page 33: ...33 33 AVR 1804 884 AVC 1880 FOIL SIDE ...