K Board Schematic Diagram; Kb Board Schematic Diagram - Sony TRINITRON KV-21FA210 Manual De Servicio

K BOARD SCHEMATIC DIAGRAM

1 | 2 | 3
TO KB-BOARD
A
CN4011
CN4003
13P
9V 1 1
—
AUDIO 2
C4023 PS4001
SP L+ 3
IC LINK2.7A
-2
GND-2 4
-2
SP L-
5
L-OUT
ST BY 6
C4022
R4030
B
4.7k
IN L 7
L
GND -2
8
R
IN R
9
MUTE 10
SP R- 11
—
GND-2
12
-2
SP R+ 13
R-OUT
C
R4026
10k
—
R4027
10k
D
—
E
—
F
—

KB BOARD SCHEMATIC DIAGRAM

G
1 |
TO A BOARD
CN404
—
CN4010
15P
A
9V 1
AUDIO VCC 2
SP L+ 3
H
GND-2 4
—
SP L- 5
STBY
6
IN L
7
GND
8
—
IN R 9
B
MUTE 10
SP R-
11
GND-2 12
SP R+ 13
I
NC
14
—
NC 15
CONNECTOR
9-965-938-01<BA6>KB
—
C
J
—
—
| 4 | 5 | 6
IC4001
AN7125Z
AUDIO AMP
2 3 4 5 6 7 8 9 10 11 12
-2 R -2
L
C4020
C4016
R4022 C4017
2.2k
C4021
R4028 R4023
-2
2.2 2.2k R4021 R4020
2.2 2.2
C4018
R4029
2.2
C4019
C4014
HPSW1 1
TO A BOARD
HPSW2 2
CN402
3
CN4001
3P
R4025
100k SWO + 1
SWO - 2
CN4002
2P
TO A BOARD
CN403
R4024
100k
C4024 R4031
22k
C4025 R4032
22k
2 | 3 | 4 | 5
TO K-BOARD
CN4003
A
CN4011
13P
1 9V
2 AUDIO VCC
3 SP L+
4 GND-2
5 SP L-
6 STBY
IN L
7
B
8 GND
9 IN R
MUTE
10
11 SP R-
12 GND-2
13 SP R+
A TO K
BOARD
C
| 7 | 8 | 9
IC4002
AN7125Z
AUDIO AMP
1 2 3 4 5 6 7 8 9 10 11 12
-2
PS4002
R4040
IC LINK 2.7A
C4010 2.2
R4012
5MM
R4019
C4040
4.7k
0.22
C4013 C4011 R4041
-2
2.2
R4011
R4017
-2 -2 -2
4.7k
2.2
C4012
R4018
C4041
2.2
-2 0.22
C4007
R4010
470
R4009
1.5k
C4004
100pF
IC4003
IC NJM4556AD
VAR/FIX
R4006
470
VCC
OUT 1
IN-1
OUT2
R4005
470
IN+1 IN-2
C4002
6800p
C4003
GND IN+2
R4002
39k
R4003
39k
C4005
R4004
39k
(AUDIO)
9-965-938-01<BA6>K
K KB
[AUDIO]
1 2 3
|
— 41 —
| 10 | 11 | 12 |
K BOARD IC VOLTAGE LIST
IC4001
PIN VOLT PIN
1 14.6 1
2 7.0 2
3 GND 3
4 7.0 4
5 5.9 5
6 0.0 6
7 GND 7
8 0.0 8
9 0.5 9
10 7.2 10
11 GND 11
12 7 12
R4001
10k
R4007
4.7k
R4008
4.7k
C4001
47000p
4 5 6
KV-21FA210
13 | 14 | 15 |
IC4002 IC4003
VOLT PIN VOLT
14.6 1 4.5
7.0 2 4.5
GND 3 4.5
7.0 4 GND
5.9 5 4.5
0.0 6 4.5
GND 7 4.5
0.0 8 9.0
0.5
All voltages are in V.
7.2
GND
7
7