Ba Board - Sony KP-57XBR10W Service Manual

1 2 3 4 5 6
A
B
C
D
E
F
G
H
I
J
K
L
M
– 107 –
10
7 8 9 11 12 13
– 108 –
14 15 16
BA BOARD : IC7301 TDA6111Q/N4
V CL AVcc V RT V RB AGND
7 8 1 10 9
4 CLAMP S / H
6
A/D CONV. D/A A/D CONV.
TIMING
24 ADD
CLK
GEN.
LATCH
18 19 23 22 21 20 17 16 15 14 13
DVcc DGND OVER DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8
• BA BOARD WAVEFORMS
1 2
280usec
495mVp-p (H) 2Vp-p (H)
3 4
1.2Vp-p (H) 1Vp-p (H)
5 6
5.1Vp-p (H) 586mVp-p (H)
7 8
660mVp-p (H) 723mVp-p (H)
– 109 –
BA
[ 3D COMB FILTER ]
– BA Board –
< Component Side >
< Conductor Side >
– 110 –

BA BOARD

TRANSISTOR
L R *
Q2401 C-4 2
2
Q2402 C-4
2
Q2403 C-4
Q2404 C-2 1
2
Q2405 C-4
C-2 1
Q2406
C-2 1
Q2407
Q2408 B-4 2
2
Q2409 B-4
B-2 1
Q2410
Q2411 A-2 1
Q2412 A-5 2
2
Q2413 A-4
A-2 1
Q2414
Q2415 B-2 1
Q2416 B-5 2
2
Q2417 B-4
2
Q2418 C-3
Q2419 B-2 1
Q2421 C-3 1
2
Q2422 C-3
IC
L R
IC2401 B-1
IC2402 B-2
IC2403 B-3
L ; component side
R ; conductor side