1
2
3
4
5
6
7
8
A
B
C
D
E
SCHEMATIC DIAGRAMS (1/11)
AVR-1804/884 / AVC-1880
79
SCHEMATIC DIAGRAMS (1/11)
INPUT UNIT
79
REC SIGNAL LINE
R
VCR2_IN
VCR2_OUT
CHASSIS
VCR1_OUT
L
R
R
L
GND
GND
GND
CDR/TAPE OUT_L
CDR/TAPE OUT_R
CDR/TAPE IN_R
CDR/TAPE IN_L
TO C-VIDEO UNIT
VCR1_IN
CHASSIS
TV/DBS
L
R
R
L
CHASSIS
DVD/VDP
CD
R
L
L
R
L
HPF
1
8
3
2
6
5
4
7
V.AUX_R
V.AUX_L
TO CPU UNIT
74_73_DATA
74_73_CLK
TC9274_STB
GND
TUNER-L
GND
TUNER-R
GND
GND
+15V
-15V
TC9273_CE
MULTI_MUTE
4
1
3
8
7
6
5
2
PHONO
R
L
3
2
L701L
4
EUROPE ONLT
6
1
3
2
4
E3,E1,N,C
1
L701R
6
EUROPE ONLY
E2
OPTION
INPUT B'D
1
8
2
3
R700L,R
L701L,R
JUMPER
-
INSERT
_
4
7
5
6
INPUT BUFFER
2
3
8
1
7
5
6
4
GND
AD-L
GND
ANAL_L
GND
ANAN_R
GND
HPF-L
GND
HPF-R
AD-R
TO CPU UNIT
1/2
2/2
E3 ONLY
MULTI_L_OUT
GND
GND
DSP_SB_IN
MULTI_SB_OUT
9459_CLK
TO CPU UNIT
9459_DATA
MULTI_SB_RLY
GND
MULTI_R_OUT
GND
MULTI_MUTE
TO MULTI-OUT UNIT
OPTION (Nú¾ ONLY)
1.ØÆá¼ (ëåòõËÇà¼)
C715L,C715R,C725,C726,C724L,C724R
2.ØÆá¼ (BUZZ NOISE ËÇà¼)
D251-256,C252,253,255
3.ܨÌÚ (BUZZ NOISE ËÇà¼)
D251,252,253 ===>0 ohm SHORT
OPTION (INPUT IMPEDENCE MATCHING)
E3 : R751L/R,R733L/R ====>200K
èâ : R751L/R,R733L/R ====>100K
9459_ST
R716R
2.2M
2.2M
R716L
100P-J
C708L
C708R
100P-J
470
R708R
JACK708
JACK706
JACK707
2.2M
R714R
100P-J
C706L
C706R
100P-J
C252
10N-K
R706R
470
D253
KDS160
KDS160
D256
R707L
470
R714L
2.2M
470
R708L
R707R
470
100P-J
C707R
2.2M
R715R
R715L
2.2M
100P-J
C707L
CDR/TAPE_R
CDR/TAPE_L
CDR/TAPE_R
CDR/TAPE_R
4
3
2
1
6
7
5
CN703
JACK705
JACK704
470
R704R
470
R704L
10N-K
C251
D255
KDS160
D252
KDS160
100P-J
C704R
100P-J
C704L
2.2M
R712R
2.2M
R712L
470P
R705L
100P-J
C705R
470
R705R
470
R706L
2.2M
R713R
100P-J
C705L
2.2M
R713L
JACK703
JACK702
2.2M
R710R
2.2M
R710L
100P-J
C702L
100P-J
C702R
D254
KDS160
D251
KDS160
C253
10N-K
470
R702L
470
R702R
470
R703R
R703L
470
100P-J
C703R
100P-J
C703L
2.2M
R711L
2.2M
R711R
DVD/VDP_R
CD_R
PHONO_R
PHONO_R
PHONO_L
MAIN_OUT_R
TV/DBS_R
VCR1_R
VCR2_R
TUNER_R
V.AUX_R
CDR/TAPE_R
100
R739
5
4
7
6
1
VSS
3
2
28
VDD
26
24
25
23
22
14
CLK
13
GND
12
8
9
10
11
20
21
18
19
16
STB
15
DATA
17
27
TC9273-004
IC702
20
GND
17
16
15
19
18
14
13
28
29
30
27
26
25
24
22
DATA
23
STB
8
9
10
11
12
7
2
3
4
6
5
1
VSS
42
VCC
41
37
38
39
40
34
35
36
32
31
33
21
CK
TC9274-011
IC701
100
R735
R737
100
R738
100
MAIN_OUT_L
CDR/TAPE_L
VCR2_L
VCR1_L
V.AUX_L
CDR/TAPE_R
V2_REC_L
TV/DBS_L
TUNER_L
VCR2_L
VCR1_L
MULTI_OUT_L
CDR/TAPE_L
TUNER_L
V.AUX_L
V1_REC_L
VCR1_R
VCR2_R
CDR/TAPE_R
TUNER_R
V.AUX_R
V1_REC_R
V2_REC_R
CDR/TAPE_R
MULTI_OUT_R
R736
100
100
R734
TV/DBS_L
DVD/VDP_L
CD_L
PHONO_L
DVD/VDP_L
CD_L
PHONO_L
TV/DBS_R
DVD/VDP_R
CD_R
PHONO_R
C727
10/35
C728
10/35
C725
10N-K
C726
10N-K
R728L
39K
C721L
68N(M)
39K
R728R
68N(M)
C720R
C720L
68N(M)
MAIN_OUT_L
MAIN_OUT_R
39K
R731L
10N-K
C724L
R729L
100
10/35
C723L
R730L 100K
+
-
IC703A
NJM2068
39K
R732L
C724R
10N-K
R731R
39K
R732R
39K
+
-
IC703B
100K
R730R
C723R
10/35
R729R
100
C721R
68N(M)
4
3
2
1
7
6
10
5
9
8
11 12 13 14 15
CN701
R701BL
100
V.AUX_R
TUNER_R
TUNER_L
V.AUX_L
MULTI_OUT_R
MULTI_OUT_L
100
R701BR
200K
R702BR
200K
R702BL
+
-
NJM2068
IC707(2/2)
200K
R703BR
200K
R703BL
10N-K
C702BR
10N-K
C702BL
C703BR
10/35
4.7/50
C701BR
100
R704BR
100
R706BR
R707BL
4K3
100K
R705BR
100K
R705BL
10N-K
C704B
8
4
7
6
5
-
+
NJM2068(2/2)
IC708B
C701BL
4.7/50
R704BL
100
10/35
C703BL
R706BL
100
R707BR
4K3
C703B
10N-K
+
-
IC707(1/2)
NJM2068
JACK701
C717L
220P-J
68K
R709R
68K
R709L
220P-J
C717R
R700R
0
R701R
390
R700L
0
390
R701L
4.7/50
C714L
10/35
C709L
C710L
100P-J
R718L
47
R737L
22
R722L
100
+
-
NJM2068
IC704A
R737R
22
C710R
100P-J
R718R
47
C709R
10/35
R720R
130K
R721R
11K
+
-
IC704B
130K
R720L
11K
R721L
24N(M)
C712L
C713L
6N8(M)
C711L
220/6.3
R719L
240
240
R719R
220/6.3
C711R
R717R
150K
R717L
150K
C712R
24N(M)
C713R
6N8(M)
R723L
47K
C715L
22N-K
C715R
22N-K
R723R
47K
R722R
100
4.7/50
C714R
1/50
C719R
100
R725R
47/10
C718R
100K
R726R
100
R724R
10/35
C716R
200K
R733R
R751R
200K
R724L
100
C716L
10/35
R751L
200K
200K
R733L
+
-
NJM2068
IC705A
1/50
C719L
R725L
100
C718L
47/10
100K
R726L
R727L
100
+
-
IC705B
R727R
100
5
4
3
2
16
7
8
9
1
0
1
1
CN702
C705B
33P-J
R709B
8K2
100P-J
C706B
1
2
3
-
+
NJM2068(1/2)
IC708A
4K3
R710B
4K3
R708B
C707DT
100P
C706CK
100P
9
CS1
16
CS2
15
NC
14
STB
13
DATA
12
CK
11
GND
10
NC
3
NC
4
L-IN
5
L-LD1
22
NC
21
R-IN
20
R-LD1
17
NC
7
L.A.GND
19
R-LD2
6
L-LD2
2
L-OUT
23
R-OUT
8
NC
18
R.A.GND
1
VSS
24
VDD
KIC9459F
IC706
R712B
100K
10/35
C707B
R711B
100
47(1/4)
R713B
RL701B
12345678
CN705
D701B
1SS133T
100P
C708ST
R709DT
470
470
R709CK
C114T
Q707M
J612B
E3 èâ
1
5432
CN704
C712B
47/25
C711B
47/25
R730B
100K
C713B
10N
10N
C714B
R709ST
470
C710BL
10/35
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 ...