JVC RX-D302B Service Manual page 28

Regulator and DC-DC converter section
TO FAN
* M A R K L I S T
U S , U P , A , U F J , C , B , E , E N , E V
C 1 0 2 2 2 0 / 6 3 1 0 0 0 / 2 5
R 1 0 1 U S E N O N E
R 1 0 2 U S E N O N E
R 1 0 4 U S E N O N E
R 1 0 5 N O N E U S E
D 1 0 5 U S E N O N E
B 2 0 1 7 N O N E U S E
Q 1 7 3 U S E N O N E
C 1 7 2 U S E N O N E
J , C B , E , E N , E V U S , U P , A , U F
R 1 0 7 5 . 6 5 . 6 6 . 2
LVA10578-4
*
!
Q 1 7 3
2 S D 2 3 9 4 / E F /
PRI_RY+9V
!
Q 1 7 1
2 S D 2 3 9 4 / E F /
D+5V_DSP
C 1 6 6
B 2 5 5 4 B 2 5 5 3
4 7 0 / 1 6
C 1 6 5
1 0 0 / 1 6
! 2 S D 2 3 9 4 / E F /
C 1 7 4
DCDC_+12 1 0 / 5 0
M T Z J 1 3 B - T 2
! 2 S D 2 3 9 4 / E F /
C 1 7 6
1 0 / 5 0
DCDC_-B+12
BLK_REG
2-5
LVA10578-1
D + 5 V _ M i
1
D G N D
2
F L 1
3
V P P
4
F L 2
5
C N 1 0 2
Q G F 1 2 0 5 C 1 - 0 5
Q 1 0 3
R 1 1 0
K T C 3 2 0 0 / G L / - T
1 0 0 k
C 1 1 4 R 1 0 9
1 / 5 0 2 2 k
D 1 1 7
M T Z J 8 . 2 C - T 2
+ 1 2 V _ R Y
H P _ R Y
C N 1 3 0
+ 7 V
1
- 7 V
2
A G N D
3
A + 5 V _ D S P
4
A + 5 V _ V i
5
A + 9 V _ V i _ T u
6
+ 1 2 V _ R Y
7
A C _ D E T _ 2
8
V C H A N G E _ 1
9
V C H A N G E _ 2
1 0
H P _ R Y
1 1
D G N D
1
D + 5 V _ D S P D 1 6 1 1 A 3 G - T 1
2
D + 5 V _ M i
3
B + 5 V _ M i
4 D 1 6 2
F A N _ O N / O F F 1 A 3 G - T 1
5
F A N _ L O W
6
P O W E R _ O N
7
R E G _ D E T
8
D + 5 V _ H D M I
9
C N 1 3 1
F A N
1
F A N G N D
2
C N 1 0 3
Q G A 2 5 0 1 C 1 - 0 2
+ 7 V
1
A G N D
2
- 7 V
3
4
*
C 1 7 2
4 7 0 0 p
7 7
6 6
5 5
4 4
3 3
! 2 2
R 1 6 5 U N F
1 1
0 . 2 2
( 1 W )
C N 1 0 4
C 1 6 4
2 2 0 0 p
!
R 1 6 6 U N F
2 . 2 k
( 1 / 4 W )
D 1 5 8
M T Z J 6 . 2 C - T 2
Q 1 7 4 R 1 7 3 U N F C N 1 0 5
4 . 7 ( 1 / 2 W ) Q G A 2 0 0 1 C 1 - 0 5
+ 1 2 V
1 1
! + B
2 2
P G N D
R 1 7 4 U N F
3 3
1 0 k ( 1 / 2 W )
- B + 1 2 V
4 4
- B
!
5 5
C 1 7 3
1 / 5 0
D 1 7 1
!
Q 1 7 5 R 1 7 5 U N F
4 . 7 ( 1 / 2 W )
!
R 1 7 6 U N F
1 0 k ( 1 / 2 W )
C 1 7 5
1 / 5 0
D 1 7 2
M T Z J 1 3 B - T 2
F R O M C N 2 0 6 O F L V A 1 0 5 7 9 - 1 3
(SHEET 1)
C N 1 0 6
Q G A 3 9 0 1 C 1 - 0 8
M Y M Y
C 1 0 9 C 1 0 8
0 . 0 4 7 0 . 0 4 7
! !
Q 1 0 2
D 1 1 5 C 1 1 0
!
K T A 1 0 4 6 / Y /
1 A 3 G - T 1 2 2 0 / 5 0
!
T H 1 0 1
R 1 0 8 4 . 7
C 1 1 3 3 . 3 k
2 2 / 5 0 U N F
( 1 / 4 W ) D 1 1 3
1 A 3 G - T 1
!
!
C 1 1 2 C 1 1 1 D 1 1 4
2 2 / 5 0 1 0 0 / 6 3 1 A 3 G - T 1
D 1 1 6
M T Z J 3 6 C - T 2 !
A+5V_DSP I C 1 5 1
K I A 7 8 0 5 A P I
3
R 1 8 3
2
2 k
C 1 5 4
1 0 0 / 1 6
R 1 8 4
4 7 k
I C 1 5 2
K I A 7 8 0 9 A P I
A+9V_Vi_Tu
3
R 1 5 4 2
1 0 k
C 1 5 6
1 0 0 / 2 5
R 1 5 5
R 1 8 2
1 1 k
2 . 2 k
!
+12V_FAN
Q 1 5 3 ( W i t h H . S i n k )
2 S D 2 3 9 4 / E F /
D 1 5 2
1 S S 1 3 3 - T 2
D 1 5 4
M T Z J 9 . 1 C - T 2
C 1 5 7
1 0 / 5 0
I C 1 5 3
A+5V_Vi K I A 7 8 0 5 A P I
3
2
R 1 8 1
1 0 0 C 1 5 9
Q 1 6 2 1 0 0 / 1 6
K R C 1 1 1 S - X
Q 1 5 7
!
2 S D 2 3 9 4 / E F /
+7V
C 1 6 1 ( W i t h H . S i n k )
4 7 0 / 1 6
C 1 6 0
1 0 0 / 1 6
C 1 6 2
1 0 0 / 1 6
-7V
C 1 6 3
4 7 0 / 1 6
K T A 1 0 4 6 / Y /
( W i t h H . S i n k )
!
M _ C L O C K
K T D 8 6 3 / Y / - T
C 1 0 6 M Y
0 . 1 / 1 0 0
D 1 0 9
!
1 0 D D A 2 0 - F D
M Y
C 1 0 5
0 . 1 / 1 0 0
D 1 1 2
1 0 D D A 2 0 - F D
!
( W i t h H . S i n k )
R 1 5 1
U N F
1 0
( 1 / 2 W )
1
!
C 1 5 3
C 1 5 1
0 . 0 1
4 7 0 0 / 2 5
!
U N F ( 1 / 4 W )
R 1 5 2 4 . 7
( W i t h H . S i n k ) C 1 5 2
3 3 0 0 / 2 5
U N F ( 1 / 2 W )
1
R 1 5 3
4 . 7
!
C 1 5 5
!
0 . 0 1
!
R 1 5 6
U N F
1 0
( 1 / 4 W )
!
Q 1 5 1
R 1 5 7 U N F
K R A 1 0 2 S - X
5 6 0 ( 1 / 4 W )
Q 1 5 2
K R C 1 0 2 S - X
( W i t h H . S i n k )
R 1 5 8 U N F
4 . 7 ( 1 / 2 W )
1
!
C 1 5 8
!
0 . 0 1
R 1 6 1 U N F
!
4 . 7 ( 1 / 4 W )
R 1 6 2 U N F
!
D 1 5 6 2 . 2 k ( 1 / 4 W )
M T Z J 8 . 2 C - T 2
D 1 5 7
M T Z J 8 . 2 C - T 2 !
R 1 6 4 U N F
2 . 2 k ( 1 / 4 W )
Q 1 5 8
R 1 6 3 U N F
1 0 ( 1 / 4 W )
!
FROM FW121 O
(SHEET 1
* *
R 1 0 4 R 1 0 5
1 0 1 0
U N F U N F
( 1 / 4 W ) ( 1 / 4 W )
*
B 2 0 1 7
!
!
Q 1 0 1
R 1 0 3 U N F
!
6 . 8 ( 1 / 4 W )
C 1 0 3
4 7 0 0 p
D 1 0 6
M T Z J 6 . 2 B - T 2
LV
BLK_DCC