JVC UX-QD70S Service Manual page 59

Micro component md system
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Main section
LVA10595-A1
LVA10595-A1
AUX
R 3 1 9 3
2 7 K
A U X - L
1
0 V
C 3 1 9 2
A G N D
N I
2
0 V
A U X - R
3
0 V
C 3 2 9 2
R 3 2 9 3
N I
2 7 K
S A F E T Y 5
R 3 2 6 3
3 . 3 K
R 3 1 6 3
3 . 3 K
C N 1 0 7
Q G F 1 0 3 6 C 1 - 2 1
C 3 2 6 1
4 . 7 / 5 0
R I N
2 1
1 . 5 V
K 3 3 6 1
N Q R 0 5 0 2 - 0 0 1 X
A G N D
2 0
0 V
C 3 1 6 1
4 . 7 / 5 0
L I N
1 9
1 . 5 V
A 5 V
1 8
4 . 5 V
R 3 2 6 2
4 . 7 K
C 3 2 6 6
4 . 7 / 5 0
R O U T
1 7
1 . 7 V
L 3 3 6 2
1 0
D 5 V
1 6
5 . 2 V
4 . 7 / 5 0
R 3 1 6 2
4 . 7 K
C 3 1 6 6
L O U T
1 5
1 . 7 V
K 3 3 6 2
N Q R 0 5 0 2 - 0 0 1 X
D G
1 4
0 V
D O U T
1 3
0 V
R 3 3 6 6
B U S
D I N 0
1 2
-
L 3 3 6 3
1 0
M 5 V
1 1
5 . 2 V
K 3 3 6 3
N Q R 0 5 0 2 - 0 0 1 X
M G N D
1 0
0 V
R 3 3 6 2
M D R E S E T
1 0 0
R E S E T
9
5 . 1 V
R 3 3 6 3
1 K
M D C M D
C O M M A N D
8
-
R 3 3 6 4
1 K
M D S T A T
S T A T U S
7
-
C O M C L K
6
4 . 6 V
S T S R D Y
5
4 . 6 V
D O U T O F F
4
4 . 6 V
R 3 3 6 5
1 0 0
O P T I N
3
D I N 1
4 . 2 V
U A R T
2
4 . 6 V
M O D E S E L
1
4 . 6 V
R 3 1 5 5
3 . 3 K
R 3 2 5 5
3 . 3 K
R E C L
1
0 V
B 1 9 0 3
B U S
N C
2
0 V
B 1 9 0 4
B U S
R E C R
3
0 V
D 3 3 5 2
1 N 4 0 0 3 S - T 5
S W 8 V
4
8 . 6 V
R 3 1 5 1
P B L
5
0 V
B 1 9 0 2
1 0 0
A G
6
0 V
N I
R 3 2 5 1
P B R
7
0 V
1 0 0
N C
8
3 . 0 V
D 3 3 5 1
1 N 4 0 0 3 S - T 5
M B
9
9 . 3 V
M G
1 0
0 V
B 1 9 0 1
G N D
B U S
DC FAN DRIVER
Q 6 9 0 1
K T A 1 2 6 7 / Y G / - T
7 . 9 V
1 0 . 0 V
9 . 3 V
Q 6 9 0 2
K T C 3 8 7 5 / Y G / - X
3 . 1 V
1
7 . 9 V
2 . 5 V
2
0 V
C 3 3 6 5
0 . 0 0 1
A 6 V
1
-
D O U T
R 3 4 0 2
1 0 0
2
0 V
A G N D
R 3 4 0 1
2 2 0
3
2 . 5 V
D V D R
4
0 V
A G N D
0 V
5
D V D L
6
2 . 5 V
V I D E O 5 V
7
5 . 1 V
C R / R
C R I P
8
0 . 4 V
V G N D
9
0 V
C B / B
C B I P
1 0
0 . 6 V
V G N D
0 V
1 1
Y / G
Y I P
1 2
0 . 4 V
D 2 8 0 3
V G N D
1 3
0 V
Y I
Y / C O M P
1 S S 1 3 3 - T 2
1 4
0 . 9 V
V G N D
1 5
0 V
C O U T
C I
1 6
0 . 4 V
C N 1 0 6
Q G B 1 2 1 4 J 1 - 1 6 S
VIDEO DRIVER
1 4
D2 TERMINAL
7
R 6 0 1 0
1 3
I C 6 0 1
C 6 0 0 7
0 V
M M 1 6 2 3 X F - X
N I
G N D 2
C r I N
P r - G N D
6
0 V
R 6 0 0 9
C R O U T
2 . 4 V
0 . 1
S W - G N D
1 2
0 V
R 6 0 7 3
C 6 0 7 3
2 . 5 V
M U T E 2
1 0 0
C r O U T
P r
5
0 V
R 6 0 7 0
N I
4 . 9 V
R 6 0 0 8
N I
L I N E 3
1 1
0 V
C 6 0 0 6
N I
0 V
N I
C b I N
P b - G N D
4
G N D 2
0 V
R 6 0 0 7
C B O U T
2 . 4 V
0 . 1
1 0
R 6 0 7 2
C 6 0 7 2
R 6 0 1 3
2 . 5 V
1 0 0
C b O U T
C L P
P b
3
0 V
R 6 0 0 6
N I
N I
1 0 K
0 V
L I N E 2
9
0 V
D 2 I P
C 6 0 0 5
0 V
N I
G N D 2
C Y I N
Y - G N D
2
0 V
R 6 0 7 9
R 6 0 0 5
1 . 4 V
C Y O U T
0 . 1
L I N E 1
8
0 V
N I
R 6 0 7 1
C 6 0 7 1
1 . 8 V
2 0 0
C Y O U T
I / P
Y
1
0 V
N I
4 . 9 V
N I
C 6 0 0 8
Y O U T
1 . 8 V
Y O U T
B I A S
2 . 5 V
2 2 / 5 0
0 V
G N D 2
G N D 1
0 V
C O M P O
1 . 8 V
Y I N
1 . 4 V
C O M P O S I T E O U T
C H A S S I S
R 6 0 1 2
1 0 K
V S 2
0 V
0 V
Y C M I X S W
S 2
R 6 0 0 4
C 6 0 9 9
N I
C 6 0 0 4
V S 1
0 V
C O M P O S I T E I N
N I
S 1
R 6 0 0 3
1 . 4 V
0 . 1
C 6 0 9 3
S D C / C H
2 . 5 V
2 0 0
C H R O M A O U T
M U T E 1 S W
R 6 0 0 2
R 6 0 9 4
4 . 9 V
0 . 1
1 0 K
C 6 0 0 3
0 V
N I
S - D C O U T
C H R O M A I N
R 6 0 0 1
2 . 4 V
0 . 1
5 . 1 V
5 . 1 V
C 6 0 0 2
V C C 2
V C C 1
C 6 0 0 1
K 6 0 0 1
B 1 9 1 9
B U S
N Q R 0 5 0 2 - 0 0 1 X
B 1 9 1 1
B U S
C N 1 1 0
Q G B 1 2 1 4 J 1 - 1 8 S
TO LVA10596-A4
CN621
(SHEET 4)
K T C 3 8 7 5 / Y G / - X
Q 3 1 0 1
0 V
R 3 1 1 1
A U X L
1 0 k
0 . 1 V
0 V
B 1 7 0 4
B U S
R 3 3 0 4
1 K
C 3 1 1 7
R 3 1 0 8
A U X R
R 3 3 0 9
1 . 8 K
0 . 0 8 2
1 0 0
1 / 4 W
C 3 1 1 9
0 . 0 1 5
R 3 1 0 1
R 3 3 0 2
2 2 0 K
2 . 2 k
3 6
3 5
3 4
3 3
3 2
3 1
3 0
2 9
2 8
2 7
FUNCTION VOL. IC
I C 3 1 1
L C 7 5 3 4 5 M - X
M D R
1
2
3
4
5
6
7
8
9
1 0
M D L
R 3 2 0 1
2 2 0 K
C 3 2 1 9
0 . 0 1 5
C 3 2 1 7
R 3 2 0 8
R 3 3 0 3
0 . 0 8 2
1 . 8 K
2 . 2 k
R 3 3 0 1
2 . 2 k
0 V
R 3 2 1 1
1 0 k
0 . 1 V
0 V
R I P P L E F I L T E R
T A P E L
T A P E R
C 6 9 5 2
N I
F A N O N
D O U T
D V D R
D V D L
S A F E T Y 3
C R I P
V M U T E 2
C B I P
P O U T M D
Y I P
V I P
Y I
V M U T E 1
C I
C N 1 0 3
Q G B 1 2 1 4 J 1 - 1 8 S
2 0 0
0 . 1 / 1 6
4 7 0 / 1 0
TO LVA10596-A1
CN706
(SHEET 3)
CN707
!
I C 1 0 1
L A 4 6 2 8
R 3 1 0 2
9 . 1 K
1
2
3
4
5
6
S I L M I C
S I L M I C
C 1 1 0 9
R 1 1 1 1
C 3 1 1 8
1 5 k
2 2 / 3 5
1 0 / 3 5
2 6
2 5
2 4
2 3
2 2
2 1
2 0
1 9
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
S I L M I C
S I L M I C
C 3 2 1 8
C 1 2 0 9
R 1 2 1 1
2 2 / 3 5
1 5 k
1 0 / 3 5
0 V
0 . 8 V
R 1 2 0 9
1 k
0 V
0 V
R 3 2 0 2
R 1 1 0 9
9 . 1 K
0 . 8 V
1 k
0 V
R 3 3 0 7
D 3 3 0 2
B 1 9 1 5
1 2 0 k
5 . 3 V
B U S / B 1 9 1 3
B U S
5 . 2 V
D 3 3 0 1
R 3 3 0 6
Q 1 3 0 2
Q 6 9 5 1
N I
2 S B 7 0 9 A / R / - X
N I
N I
4 . 6 V
R 6 9 5 1
B U S / B 1 9 2 0
D 3 3 2 1
B U S / B 1 9 0 5
SW10V REG.
!
1 0 . 0 V
1 9 . 3 V
Q 1 4 0 1
K T A 1 0 4 6 / Y /
D 1 4 0 1
1 8 . 7 V
1 S S 1 3 3 - T 2
R 1 4 0 6
Q 1 4 0 2
0 . 8 V
K T C 3 8 7 5 / Y G / - X
3 3 0
R 1 4 0 1
0 . 2 V
C 1 4 0 2
5 6 0 k
5 6 0 P
0 . 8 V
R 1 4 0 9
R 1 4 0 3
0 V
Q 1 4 0 3
K T C 3 8 7 5 / Y G / - X
2 . 2 k
0 . 6 V
2 2 k
0 . 6 V
0 V
Q 1 4 0 4
0 V
K T C 3 8 7 5 / Y G / - X
B 1 9 1 7
B U S
B 1 9 1 6
N I
C N 1 0 2
Q G B 1 2 1 4 J 1 - 1 4 S
N O T E S
1 . V O L T A G E S A R E D C - M E A S U R E D W I T H A D I G I T A L V O L T M E T E R
O R O S C I L L O S C O P E W I T H O U T I N P U T S I G N A L .
C O N D I T I O N - C D S T O P M O D E .
2 . U N L E S S O T H E R W I S E S P E C I F I E D .
A L L R E S I S T A N C E V A L U E S A R E I N O H M (
) .
A L L C A P A C I T O R S A R E C E R A M I C C A P A C I T O R O R M Y L A R C A P A C I T O R .
A L L C A P A C I T A N C E V A L U E S A R E I N
F ( P = p F ) .
A L L I N D U C T A N C E V A L U E S A R E I N
H ( m = m H ) .
A L L E . C A P A C I T O R S A R E S H O W N I N T H E F O R M O F C A P A C I T A N C E (
F ) / R A T E D V O L T A G E ( V ) .
3 . N I M E A N S N O I N S E R T
7
8
9
1 0
1 1
1 2
1 3
1 4
!
PROTECTOR
Q 1 3 0 1
Q 1 1 0 2
Q 1 2 0 2
C 1 3 9 9
U N 2 1 1 E - X
U N 2 1 1 E - X
0 . 0 0 1
( B 1 9 0 9 )
C N 1 0 9
Q G A 2 5 0 1 C 1 - 0 6
L V A 1 0 5 9 5 - A 4
W R 1 0 1
Q J K 0 0 9 - 0 6 3 2 0 1 - E
R 5 6 0 1
3 0 0
R 5 6 0 2
3 0 0
R 5 6 0 3
3 0 0
R 5 6 0 4
3 0 0
L 5 6 0 3
Q Q L 2 3 1 K - 4 7 0 Y
( B 5 8 9 1 )
0 . 0 6 8 / 1 6
E P 5 6 1
E P 5 6 1
E P 5 6 1
W R 1 1 0
Q U B 0 7 0 - 1 4 P P P P - E
W R 1 1 1
1
E P 1 0 2
1
Q N Z 0 1 3 6 - 0 0 1 Z
C 1 3 9 8
B U S / B 1 9 0 7
1
2
3
B 1 9 1 0
N I
0 V
0 V
1
S 1 G N D
1 9 . 3 V
2
S 1 +
1 3 . 5 V
3
F A N U P
0 V
4
S 2 G N D
0 V
5
R E G G N D
5 . 2 V
6
P O U T M D
3 . 8 V
7
A 6 V
9 . 5 V
8
M 9 V
0 V
9
D V D G N D
1 0
M D 5 . 4 V
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
9 . 3 V
4
R -
9 . 3 V
2
R +
9 . 3 V
3
L -
9 . 3 V
1
L +
2
6
1
3
7
4
5
Q N Z 0 1 3 6 - 0 0 1 Z
Q N Z 0 1 3 6 - 0 0 1 Z
Q N Z 0 1 3 6 - 0 0 1 Z
SHEET 2
2-3

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