Circuit Diagrams - JVC AV-1406FE Service Manual

CIRCUIT DIAGRAMS

MAIN PWB CIRCUIT DIAGRAM (1/2) SHEET1
D704
R773
X
R749
4.7k R771
820
R740
3.9k
R748
100
D706 C738
D707
X X
*4
C712
.01
C725
C720
X .01
C723
X
R746
10k R734
X
R706
560
MAIN PWB ASS'Y (1/2)
SCG-1323A-H2:AV-14F16
SCG-1324A-H2:AV-14FMG6/G
SCG-1325A-H2:AV-14FMG6/S
SCG-1326A-H2:AV-1406FE
SCG-1327A-H2:AV-14146/N
SCG-1328A-H2:AV-14149/N
J006 X
J004
3
J003
C841
J002
1500p
VIDEO
1
R802
75
AUDIO
R810 56
C842
X
C805
Q803
220/16
R811
220
C806
R807
470/16
68
LINE_V
R806
270
R815 C811
180 1
10/50
R816
680 R817
LINE_A
Q804 4.7k
*1
A_MUTE
C812
X
IC301-10 IC301-11 IC301-12
(H) (H)
3.5 Vp-p 3.5 Vp-p 4 Vp-p
S702 S704 S705
S701 S703
R721
R726 R727 R731 R730
10k
15k 4.7k 10K C719
4.7k
D705
1/50
C721
Q710 R736
.033
82k
X
R772
820 R728
1k
Q708
*3
K703
C730 .01 IC702
BW
C744 R741
R729 C728 180p
.01 560
1k
K704
BW
C729
180p
IC701
*
C709
.01
R738
R739
10k
10k
C722
100p
Q703
*1
X701 R742
56k
Q702
C711 C710
*1 C724
.01 100/16 R797
150p
R714 15k
4.7k
R718
560
Y705
R720
BW
4.7k
R707
560 R713
4.7k
R712
4.7k
SCL1 PIC_MUTE
2
SDA1
R374
6.8K
MAIN PWB(2/2)
SHEET 2
IC301-14 IC301-36 IC301-40 IC301-42
(H) (1µs) (H) (1µs)
0.35 Vp-p 3.0 Vp-p 0.5 Vp-p 2.5 Vp-p
IC704
R703
X
Q709
X CN0S3 CN0S4 CN0S5
D701
PC701 X X
X
C701 R702
J005
X X
R701
Y655 X
X
Y654 BW
Y653 BW
IC703
H006
IC651
R662 R661
270 270
D655
*4
R667 C664
C706 100 100/16
.01
C663 R666
C705 100
C707 D654 .001
470/16
.01 *7 C659
4.7/50
C655
10/50
C656
LB
1/50
R660
15k
R665
D653
Q653 10k
*4
D656
*2
R653
*4 R654
R656 330
22k
8.2k
C657 C653
R655 100/25 C665 10/50
47k .01
Q652
*1
R658 R657
D657
2.2k 2.2k
*4
Q651
*1
LINE_V
C314
Q302 R321
Y976
.01
*1 1.5k
X
D305
Q301
C321
*2
12p
D731
*4 D501
X302
*6 C504 R323
X 10k
D306
V_SYNC R327 Y301
100
4.7M
FBP V_OUT R503
C308 C309
6.8k
R401 C313 Y302
100/16 .01 C402
10k C503 C502 3.3/50
X
R307
10/50 .01
1.2k R306 C401 C437
C322
SDA1
220 .47 .1 C317
C316 .027/25
.047/25
10/50
R308
R322
1.8k 2.7k
Y161
BW
Y975
BW
Y001
IC301
X
Y002
BW
SCL1 R301 220 C303
C304
10p
.47/50 C305
C301
C341
680p .47/50
10/50 X301
C302 D341
L104
4.7/50 *4
C113
R302
.0047
4.7k
C112
47/25
C365 C366 C367
1/50 1/50 1/50
2 2
R341
3.3K
2
C114
X
C110
C306 C307 0
C111
.01 470/16
X
R118
R116
X
SF102 X
CN00T
Q103
X
C109
X
IC301-46 IC701-27 IC701-35
(H) (V) (H) (V)
2.5 Vp-p 5.0 Vp-p 5 Vp-p
(No.YA370)2-5 2-6(No.YA370)
NOTE : Refer to the part list for the part number of IC702.
R668
5.6
D652 D651
*7 *4
R664
6.8k
C658
220/25
C654
470/16
R659
R652
4.7
1k
R651
C652
4.7k
.047
C651
AUDIO VIDEO
LINE_A
C315
100/16
R324
1k
x
C324
R163
C164
0 10/50 X
D301 C166
X
C162 *5 R325 X
Y160
1500p X C161
X
C323
X
Q161
0.47/50
X
R161
X
R165
X
CF161 R166
X
X
CF162
X
AFT
C119
.47/50
C120
120p
C117
.22
R159
D302 R326 C325
X L001 8.2
180k
*5 100 10/50
C003
R160
X x
R158
X
C004
SF101
470/16
X SF122
C121
R001 L002
.01
L101 X X
R111
R114 R109 C103 C005
C009
180
X 6 .8k 47/25 .1
X
C104
C106 R103
.0047
D102 C107
.0047 10
BW .0047 IC001
Q102 X
*10
R117 R115 R112
X X 10
R110
2.7k
CF103 CF102
R113
C105 X X
C108
100
.0047
X
3.58/OTH
MODE MODE
DC (V) DC (V)
PIN NO. PIN NO.
IC301 34 4.9
1 0.0 35 4.7
2 4.4 36 4.9
3 6.3 37 4.4
4 3.4 38 4.4
5 0.0 39 4.9
6 5.0 40 0.0
7 5.0 41 2.1
8 5.5 42 0.0
9 9.0 IC702
10 3.0 1 0.0
11 3.0 2 0.0
12 3.0 3 0.0
13 0.0 4 0.0
14 2.8 5 4.9
15 4.2 6 4.9
16 9.0 7 0.0
17 3.8 8 4.9
18 2.8 IC703
19 2.8 1 14.4
20 0.0 2 5.8
21 0.0 3 0.0
22 0.0 4 4.9
23 4.4 5 4.9
24 3.2 IC704
25 3.0 1 4.5
26 3.5 2 4.9
27 4.2 3 0.0
28 3.7 Q102
29 4.1 E 0.0
30 3.9 C 9.0
31 4.2 B 2.3
32 4.2 Q103
33 9.0 E 0.0
34 4.0 C 0.0
35 4.7 B 4.0
36 4.0 Q161
37 6.1 E 2.5
38 4.2 C 8.3
39 4.3 B 3.2
40 2.7 Q301
41 6.2 E 4.6
42 1.0 C 0.0
43 3.7 B 4.0
44 3.9 Q302
45 1.2 E 4.0
46 3.1 C 9.0
47 5.4 B 4.6
48 5.0 Q651
49 0.7 E 0.0
50 0.0 C 0.3
51 4.4 B 0.0
52 0.7 Q652
IC651 E 0.0
1 12.5 C 1.0
2 5.6 B 0.6
3 0.0 Q653
4 2.4 E 15.1
5 9.4 C 0.0
6 9.6 B 15.2
7 0.0 Q702
8 9.7 E 0.0
9 19.9 C 4.2
IC701 B 0.0
!
TU001
1 4.5 Q703
2 4.9 E 0.0
R102
75
3 0.0 C 4.8
C001
4 0.0 B 0.1
K001 BW 10/50
5 0.0 Q708
6 4.9 E 0.0
D001 C002
.01
7 4.9 C 2.0
8 2.3 B 0.0
C006 9 3.0 Q710
X
10 4.9 E 0.0
11 0.0 C 0.1
12 0.0 B 0.0
R002 220
13 2.4 Q803
14 0.1 E 0.0
R003 220
15 1.8 C 8.1
16 1.8 B 4.7
17 0.0 Q804
R004 C007 C008 18 0.8 E 0.0
56k X 4.7/50
19 0.0 C 0.0
20 4.9 B 0.1
21 4.9 TU001
22 4.9 1 4.6
23 4.9 2 NC
24 2.3 3 0.0
25 4.9 4 4.4
26 0.0 5 0.0
27 4.1 6 4.5
28 4.9 7 4.9
29 0.0 8 0.0
30 0.0 9 31.3
31 0.0 10 NC
32 0.0 11 0.0
33 0.0