JVC RX-F31S Service Manual page 26

System control section
TO CN511 OF LVA10565-5 (SHEET 6)
TO CN511 OF LVA10576-5 (SHEET 6)
C N 5 0 1
L V A 1 0 5 7 6 - 1 ( 1 )
R 1 5 3 4
I C 5 0 2
2 2 0
M O U T _ R
B D 3 8 4 3 F S
R 1 5 3 3
2 2 0
M O U T _ L 0 V
T V _ L D . G N D
0 V
T V _ R
D V R _ R E C R
0 V
V C R _ L
0 V R 1 5 3 6 0 V
V C R _ R
7 5 0
0 V
D B S _ L A . G N D
R 1 5 4 0 0 V
D B S _ R
1 0 k
0 V
0 V
D V R _ L R E C 1 L
D V R _ R E C L
0 V
D V R _ R R E C 1 R
0 V R 1 5 3 5 0 V
T U _ L R E C 2 L
7 5 0
0 V
T U _ R R E C 2 R
R 1 5 3 9
L O U T
1 0 k
0 V
R O U T
R 1 5 3 8
7 5 0
V C R _ R E C R
0 V
- 6 . 5 V
R 1 5 3 0
1 0 k
0 V
V C R _ R E C L R 1 5 6 9
4 7 0 k
0 V R 1 5 3 7
7 5 0
R 1 5 7 0
R 1 5 2 9
4 7 0 k
0 V 1 0 k
C 6 5 0 3 C 6 5 0 4
3 3 0 p 3 3 0 p
D V R _ R E C L D V R _ R E C R
1
R 6 5 0 1 C 6 5 0 1 C 6 5 0 2 R 6 5 0 2
1 0 0 3 3 0 p 3 3 0 p 1 0 0
R 6 5 0 3 R 6 5 0 4
4 7 k 4 7 k
C 6 5 0 5 C 6 5 0 6
D V R _ L D V R _ R
4
R 6 5 0 5 3 3 0 p 3 3 0 p R 6 5 0 6
4 7 0 4 7 0
C 6 5 0 9 C 6 5 1 0
3 3 0 p 3 3 0 p
V C R _ R E C L
V C R _ R E C R
1
R 6 5 0 7 C 6 5 0 7 C 6 5 0 8 R 6 5 0 8
1 0 0 3 3 0 p 3 3 0 p 1 0 0
R 6 5 0 9 R 6 5 1 0
4 7 k 4 7 k C 1 5 3 1
1 0 / 1 6
V C R _ L
V C R _ R Q 5 5 1 0 V
K R A 1 0 4 S
R 6 5 1 1 C 6 5 1 1 C 6 5 1 2 4 R 6 5 1 2 R 1 5 5 9
4 7 0 3 3 0 p 3 3 0 p 4 7 0 1 k
0 V 0 V
R 6 5 1 3 R 6 5 1 4
4 7 k 4 7 k
R 1 5 6 0
D B S _ L D B S _ R 0 V 0 V 1 k
R 6 5 1 5 C 6 5 1 3 C 6 5 1 4 2 R 6 5 1 6
4 7 0 3 3 0 p 3 3 0 p 4 7 0
Q 5 5 2 C 1 5 3 2
R 6 5 1 7 R 6 5 1 8 0 V
K R A 1 0 4 S 1 0 / 1 6
4 7 k 4 7 k
T V _ L
T V _ R
R 6 5 1 9 C 6 5 1 5 C 6 5 1 6 5 R 6 5 2 0
4 7 0 3 3 0 p 3 3 0 p 4 7 0
C 6 5 1 7 C 6 5 1 8
3 3 0 p 3 3 0 p
M O U T _ L
M O U T _ R
R 6 5 2 1 C 6 5 1 9 C 6 5 2 0 8 R 6 5 2 2
4 7 0 3 3 0 p 3 3 0 p 4 7 0
V I D E O + 9 V
V I D E O + 5 V
(SHEET 8)
Q 5 3 1 R 1 5 6 1
2 S D 2 3 9 4 / E F /
F R 1 0
1 7 . 2 V
F R ( 1 / 4 W )
8 . 4 V
Q 5 3 2
D 5 1 5
K R A 1 0 2 S R 1 5 6 2
M A 1 1 1 1 6 . 2 V 5 6 0
U N F R 1 5 8 0 1 2 k
9 . 0 V
U N F ( 1 / 4 W )
R 1 5 7 9 1 5 k
0 V
4 . 9 V
C 1 5 9 1
0 V
4 7 0 0 p
4 . 9 V
Q 5 3 6
K R C 1 0 2 S R 1 5 9 1
C 5 8 7
2 . 2 k
0 . 1
C 5 8 6
1 0 0 / 1 6
Q G A 2 5 0 1 C 1 - 0 2
C N 5 5 2
C N 5 4 0
Q G A 2 5 0 1 C 1 - 1 0
T O F A N M O T O R
TO CN520 OF LVA10564-1 (SHEET 1)
TO CN602 OF LVA10565-3 (SHEET 11)
TO CN602 OF LVA10576-3 (SHEET 11)
Q N Z 0 1 3 6 - 0 0 1 Z
E P 5 0 2
C N 5 0 2
C 5 2 2
5 6 0 p
C 5 1 3
0 . 1
0 V R 5 6 5
1 k
C 5 2 3
0 V
C L
4 7 / 1 6
0 V
D A
- 7 . 0 V R 5 6 6
V E E
1 k
0 V C 5 1 4
0 . 1
6 . 9 V
V C C
0 V
0 V C 5 2 4
4 7 / 1 6
0 V
0 V R 5 6 7
5 1 0
0 V
0 V
R 5 6 8 R 5 0 1
5 1 0 4 . 7
R 5 7 0 R 5 6 9
2 7 0 2 7 0
R 5 0 2
Q 5 0 2 Q 5 0 1 4 . 7
0 V 0 V
2 S C 3 5 7 6 2 S C 3 5 7 6
0 V 0 V
R 5 7 2 R 5 7 1
1 0 k 1 0 k
0 V
0 V Q 5 0 3
K R A 1 0 4 S
R 1 5 9 6 1 0 k
0 V
R 5 7 3
C 5 2 5
1 k
4 . 7 / 5 0
C 5 9 7
0 . 1
I C 5 0 7
B R 2 4 L 0 1 A F
7 5 7 4 7 3 7 2 7 1 7 0 6 9 6 8 6 7 6 6 6 5 6 4 6 3 6 2 6 1 6 0 5 9 5 8 5 7 5 6 5 5 5 4 5 3
5 . 1 V
A 0 V C C
A 1 W P
A 2 S C L
0 V
G N D S D A 7 6 R C _ S D A
R1574
R1575 0 V 7 7 S L O W M
R1576
5 . 0 V 7 8 S L O W L
10k
D B S _ S / C
5 . 1 V
7 9 D B S S / C
10k
V C R _ S / C 5 . 1 V
10k 8 0 V C R S / C 0 . 6 V
D V D _ S / C 5 . 1 V
8 1 D V D S / C 4 . 9 V
0 V
8 2
V I D E O S / C
4 . 6 V
8 3 P O W E R
B L U E _ L E D 4 . 7 V
8 4 B L U E L E D
L E D _ D I M M E R 1
8 5 L E D D I M M E R 1 0 V
L E D _ D I M M E R 2
8 6 L E D D I M M E R 2 0 V
0 V
8 7
D V R M U T E
0 V I C 5 0 1
8 8 V C R M U T E M N 1 0 1 C 4 9 G N N
F A N 4 . 9 V
8 9 F A N O N / O F F
I N P U T _ L E V E L 1
9 0 I N P U T L E V E L 1 5 . 1 V
F A N _ L 4 . 9 V
9 1 F A N L T U N E R D A T A I N
V C O N T 9 0 V
9 2
V I D E O 9 T U N E R D A T A O U T
0 V
1 2 7 0 _ S C L 9 3 T A 1 2 7 0 / T C 9 0 A 4 9 S C L
0 V
1 2 7 0 _ S D A 9 4 T A 1 2 7 0 / T C 9 0 A 4 9 S D A
D B S _ S / C
0 V
D B S _ S / C
9 5 G N D 5 . 1 V D A P R O T E C T O R
V C O N T 5 4 . 9 V
V C R _ S / C 9 6 V I D E O 5
V C R _ S / C T P 1 0 V
9 7
V I D E O 6
D V D _ S / C V C O N T 7 0 V
9 8 V I D E O 7
D V D _ S / C
V C O N T 8 4 . 9 V
9 9 V I D E O 8
0 V
100 G N D
1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5
M Y
1 2 3
R 5 8 5
3 3 0
X 5 0 1
Q A X 0 2 4 6 - 0 0 1
R 1 5 4 8 N . I .
R 1 5 4 9 N . I .
R 5 9 7 R 1 5 5 0 N . I .
Q N Z 0 1 3 6 - 0 0 1 Z
0
C N 5 5 1
F O R F L A S H
E P 5 0 1 C N 5 2 5 N . I .
C N 5 3 0
Q G A 2 5 0 1 C 1 - 1 1
FROM CN725 OF LVA10565-4
FROM CN725 OF LVA10576-4
(SHEET 4)
TO CN510 OF LVA10564-1
(SHEET 1)
V C O N T 1
(SHEET 8)
V C O N T 2
R 1 5 4 2
O S D _ C S V C O N T 3
1 k
T U _ R
O S D _ S I N V C O N T 4
O S D _ S C L K V C O N T 5
S Y N C D E T V C O N T 7
V C O N T 8
R 1 5 4 1
V C O N T 9 T U _ L 1 k
V C O N T 1 0
V C O N T 1 0
R 1 5 4 3 R 1 5 4 4
0 V 0 V
1 0 k 1 0 k
0 V 0 V
Q 5 2 1 Q 5 2 2
2 S C 3 5 7 6 2 S C 3 5 7 6
R 1 5 2 0
R 1 5 2 1
8 2 0
1 0 k
R 1 5 1 4
1 0 0 k
- 7 . 0 V
R 1 5 1 9
1 0 0 k 6
4
0 V - 7
5 0 V
+ C 5 5 6
8
0 V
Q J L 0 0 8 - 0 2 1 3 0 2 - E 4 . 7 / 5 0
C 5 5 7 I C 5 0 4
6 . 9 V
4 . 7 / 5 0 N J M 4 5 6 5 M
2 2
1 1
C 5 4 9 C 5 5 0
4 7 / 1 6 4 7 / 1 6
5 2 5 1
4 . 6 V
S O U R C E M U T E 5 0
4 . 9 V
S U B W F R M U T E 4 9
3 . 0 V D S P _ R E A D Y
D S P R E A D Y 4 8
4 . 8 V D S P _ C L K
D S P C L K 4 7
D S P _ S T A T U S
D S P S T A T U S 4 6
D S P _ C O M M A N D
D S P C O M M A N D 4 5
4 . 9 V O S D _ S C L K
4 4
L C 7 4 7 6 1 S C L K
0 V O S D _ C S
L C 7 4 7 6 1 C S 4 3
4 . 9 V O S D _ S I N
L C 7 4 7 6 1 S I N 4 2
0 V
V P P ( F R A S H ) 4 1
4 . 8 V T U _ M U T E
T U N E R M U T E 4 0
4 . 9 V D S P _ R E S E T
3 9
D S P R E S E T
0 V
R D S S D A 3 8
0 V T U _ C E
T U N E R C E 3 7
5 . 0 V T U _ C L K
T U N E R C L K 3 6
5 . 2 V T U _ D A T A I
3 5
5 . 0 V T U _ D A T A O C 5 3 1
3 4
0 . 0 2 2
5 . 0 V
R E S E T 3 3
0 V
V D D 2 ( F R A S H ) 3 2
D A _ P R O T E C T O R Q 5 1 0
3 1
K R C 1 0 2 S
5 . 1 V
I N H 3 0
0 V D 5 0 9
2 9
R D S S C L M A 1 1 1
3 . 2 V
R E G _ S A F T Y
L E G S A F T Y 2 8
0 . 4 V
S Y N C D E T
S Y N K D E T 2 7
R 1 5 5 4
0 . 6 V
C 5 3 0 1 0 k
M I C O M 2 6
2 . 2 / 5 0
B U S Y
I C 5 0 6
I C - P S T 9 1 3 9
4 . 7 V
1 3
2
5 . 0 V
R 5 8 6
4 . 7 k
Q G A 2 0 0 1 C 1 - 1 0
Q G A 2 0 0 1 C 1 - 0 4
C N 5 2 1
C N 4 5 1 C N 5 0 9
TO FW201 OF LVA10564-1
(SHEET 1)
FROM CN401 OF LVA10566-1 (SHEET 10) TO CN751 OF LVA10564-2
(SHEET 4)
2-8
T O T U N E R
C N 5 0 5
F L 5 0 2
Q Q R 1 3 7 2 - 0 0 1
C 5 6 6
1 0 0 p
R 5 9 4
1 k
C 5 6 5
1 0 0 0 / 1 6
F L 5 0 1
Q Q R 1 3 7 2 - 0 0 1
R 5 9 3
1 k
C 5 6 3
0 . 0 0 5 6
Q 5 2 3
R 1 5 4 5
K R A 1 0 4 S
0 V 1 k T U _ M U T E
0 V
C 5 8 1
1 0 / 1 6
R 1 5 2 4 R 1 5 2 5
1 0 k 1 0 k
Q 5 1 8 0 . 6 V 0 . 6 V
2 S C 3 5 7 6
Q 5 1 9
S U B W F R
0 V 0 V 2 S C 3 5 7 6
R 1 5 2 2 R 1 5 2 3
1 k 1 k Q N N 0 6 8 8 - 0 0 1
1
2 J 5 0 4
3
4
C 5 7 5
0 . 1
R 1 5 8 8
2 2 0
Q 5 1 2
R 1 5 2 6
K R A 1 0 4 S
4 . 7 k
3 . 0 V 3 . 0 V
C 5 5 9
2 2 / 1 6
R 1 5 5 8 R 1 5 7 3
R 1 5 5 3 1 0 k 1 0 k
1 2 0 k
I N P U T _ L E V E L 1
2 R 1 5 5 6
1 0
0 V - 1 1 8 k
3 0 V
+ Q 5 4 1
9 D 5 1 1
K T C 3 1 9 9 / G L
0 V M A 1 1 1
I C 5 0 4
I N P U T _ L E V E L 2
N J M 4 5 6 5 M
R 1 5 7 1
3 3 k
C 1 5 5 1 Q 5 4 2
1 0 0 / 6 . 3
K T C 3 1 9 9 / G L
C 1 5 5 2
0 . 0 0 1
A V _ C O M P U L I N K
D 5 1 2
U D Z S 6 . 2 B J 5 0 5
1
Q N S 0 0 8 9 - 0 0 1
2
C 5 1 1
2 2 0 p
3
M Y
R 5 1 1
C 5 1 2
2 2 0 1 . 5
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
SHEET 7