K Board Schematic Diagram (Kv-29Fa310 Only) - Sony Trinitron KV-27FS120 Service Manual

K BOARD SCHEMATIC DIAGRAM (KV-29FA310 ONLY)

1 | 2 | 3 | 4 | 5 | 6 |
A
—
B
C2416
—
5600p
R2404
15k
R2459
470k
C
C2499
470p
51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34
—
C2429
52
VCS-TC2
D C2431
53 VCS-TC1
C2432
54 VLR-TC1
C2433 0.22mF
55 VLR-TC2
C2434
—
56
S-RECT-OUT
IC2404
C2435
NJM2177
57 C-RECT-OUT
DOLBY SURROUND
C2436
58 R-RECT-OUT CENTER-CNT
C2437
E 59 L-RECT-OUT
C2438 22000p
60 S-RECT-OUT
C2439 22000p
61 C-RECT-OUT
R2408 7.5k
— 62 L-BFP-OUT
C2440 C2480
63
L-BPF-IN
R2410
R2411
15k 47k 64 NC
C2441
F
680p
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
C2444
—
47000p
C2442
47000pF
C2443
680p
SW R
C2479
G
C2477
—
SW L
H
—
C2446
C2447
I
R2416
22k
—
J
—
R2418
100
R2419
K
100
—
TO-CN403 ABOARD
CN2401
7P
R2440
22k
L
SCL 1
SDA
2
R2432
9V 3
0
—
GND 4
R2493
HEADPHONES 5
100k
AUDIO/VCC 6
PGND 7
M D2401
-2
R2442
1k
R2494
— 100k R2520
1k R2443
TO-CN402 ABOARD R2519 47k
1k
CN2402
5P
N
SW R
RT 1
LT 2
— 3
GND L SW L
L 4
5
R
R
O
—
P
KV-27FS120/29FA310/29FS120
7 | 8 | 9 | 10 | 11 | 12 |
JR2401
0
-2
19V
IC2401
C
9V TDA8947J
AUDIO AMP
C2490
C2406
1 2 3 4 5 6 7 8 9 10 11
33
D2400
MA111-TX
-2
C2411
32
NC
SW
L-R-OUT 31
30
L+R-OUT R
29
R-OUT
L
28 R2438
L-OUT
10k
MODE-CNT 27
26
S R2439
10k
S-OUT 25
C2405
LPF 24
C2404 4700p
HPF 23
REF 22
C2403
CNT-B 21
R2401 100k
CNT-A 20
R2451
19
100k
R2403
4.7k
R2452
1k
R2433
10k R2435
R2490 10k C
100k
R2453
47k
R2491
100k
R2446
C2402 C2401 10k
R2417
22k
R2500
4.7k
R2434
100k
R2458
C2430
2.2M
R2461 C2471
Q2401
2SC2412K-T R2488 33k 4700p
-146-QR 2.2k
R2481
1.5k R2465
R2462
1.8k
75k
R2464
51k
R2466
C2470 R2463
6.2k
4700p 1.5k
R2521
10k
Q2400
2S2412K-T-146-Q
R2436
1k
R2437
10k
Q2418
R2523
47k
Q2419 R2522
2CS2412K-T 47k
13 | 14 | 15 | 16 | 17 | 18 | 19
JR2402
0
R2507
-2 100
R2492 R2505 Q2414
22k 47k 2SD601A
Q2410
R2502
2SB709A MUTE
22k
MUTE
R2524
0
R2483
22k
C2493 R2501
R2409 22k
10k R2498
1/10W 22k Q2411
-2 2SB709A
MUTE
12 13 14 15 16 17
R2499
PS2401
22k
C2494
C2413
C2412
-2
0.47 1000
C2414
35V
50V
-2 -2
JR2420
0
C2449 C+
JR2421
47000p JR2410
0
C-
0
JR2411
SW-
0
SW+
C C2448 C2428
2200
25V
IC2403
NJW1164
C/SW PROCESSOR
C2450
C2469
C
SW
C2451 3300p
C2468 3300p
BBE1 BBE1
C2467 33000p
BBE2 BBE2
C2452 33000p
BBE-OUT BBE-OUT
TONE-IN
TONE-IN
C2453 4700p
C2466 4700p
R2447
TONE-H TONE-H
1k
C2454
TONE-L
TONE-L
C2465
R2450 10k
OUT
OUT R2449
R2454 1k
47k
AGC
SR-FIL
C2455
C2464
SS-FIL VREF
C2463 C2456
CUB
CTH
C2462 C2457
CVA
CTL
C2458
C2461
SDA AUX1
R2455 100
SCL AUX2
R2456
100 GND VCC
R2422
C2459 10k
1/10W
C2460
SW L
SW
R2420
C2420
22k 1/10W
0.47 R2423
39k
8 7 6 5
1/10W
C2423
NJM4558M-T
C2421 R2421
SW R 0.047
0.47 22k AUDIO FILTER
16V
1/10W
B
R2424
C2487 39k
R2485
R2496 150k 1/10W
1k
1 2 3 4
C2488 R2495
4700p 20k
R2489 R2487
15k R2425
11k
R2477 15k C2489 39k
1/10W
R
R2476
R2441 10k
15k
R2402
C
10k
C2424
L
0.0068
R2426
25V C2425
470 1/10W
0.1
B
S 16V
B
C2426
100p 50V CH
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
IC2405
NJM2180
TRUSURROUND
R2473
2.2M
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
C2481 4700p R2474 33k
C2473 R
R2471 1.8k
R2472 51k R2475 75k
C2475
C2474 R2470
C2478
39k
L C2476 4700p
K BOARD
AUDIO
| 20 | 21 | 22
K BOARD IC VOLTAGE LIST
IC2401 IC2403
PIN VOLT PIN
1 8.3 1
Q2412
2SB709A 2 GND 2
MUTE
3 19.6 3
4 8.3 4
5 19.6 5
C2495 Q2413
2SB709A
R2503
6 3.2 6
22k MUTE
7 GND 7
8 0.0 8
R2504
22k
9 3.2 9
C2496
10 9.1 10
TO-SUB-WOOFER
11 9.7 11
12 3.2 12
1 SW+
2 CS+ 13 3.3 13
CN2400
4P
3 CS-
14 8.3 14
4 SW-
15 GND 15
16 19.6 16
17 8.3 17
18
IC2402
19
PIN VOLT
1 4.5 20
2 4.5 21
3 4.5 22
4 GND 23
5 4.5 24
6 4.5 25
7 4.5 26
8 9.0 27
K BOARD TRANSISTOR VOLTAGE LIST
B C
R2429
4.7k Q2400 0.7 0.0
1/10W
0.0 17.9
Q2401
4.8 0.0
Q2410
4.8 0.0
Q2411
4.8 0.0
Q2412
R2428
4.7k
Q2413 4.8 0.0
0.0 0.2
Q2414
IC2402 Q2418 0.0 0.7
0.0 0.0
Q2419
All voltages are in V.
C2427
R2427
470 47
25V
1/10W
K
[AUDIO]
COMPONENT SIDE (KV-29FA310 ONLY)
1 2 3
A
B
C
9-965-960-01<BA6S>K
D
E
KV-27FS120/29FA310/29FS120
28 4.5 25 4.0 54 4.0 17 4.5
29 4.5 26 4.0 55 4.0 18 4.5
VOLT
4.5 30 4.5 27 4.37 56 4.0 19 4.5
4.5 28 4.0 57 4.0 20 4.5
IC2404
4.5 29 4.0 58 4.0 21 4.5
PIN VOLT
4.5 1 n/c 30 n/c 59 4.0 22 4.5
4.5 2 4.0 31 n/c 60 4.0 23 4.5
4.5 3 4.0 32 n/c 61 4.0 24 4.5
4.5 4 4.0 33 n/c 62 4.0 25 4.5
4.5 5 4.0 34 4.0 63 4.0 26 4.5
1.0 6 GND 35 9.0 64 n/c 27 4.5
4.5 7 n/c 36 4.0 28 4.5
IC2405
3.4 8 3.8 37 4.0 29 4.5
PIN VOLT
3.3 9 4.0 38 1.45 1 7.7 30 4.5
4.5 10 4.0 39 4.0 2 4.6
All voltages are in V.
4.5 11 4.0 40 4.0 3 0.0
GND 12 4.0 41 4.0 4 4.5
9.0 13 4.0 42 4.0 5 0.0
4.9 14 4.0 43 4.0 6 9.0
0.0 15 4.0 44 4.0 7 n/c
3.88 16 n/c 45 4.0 8 n/c
3.88 17 n/c 46 4.0 9 n/c
4.5 18 4.0 47 0.0 10 n/c
4.5 19 5.8 48 n/c 11 4.5
4.5 20 GND 49 n/c 12 4.5
4.5 21 GND 50 4.0 13 4.5
4.5 22 4.0 51 3.0 14 4.5
4.5 23 2.65 52 3.0 15 4.5
4.5 24 4.0 53 3.0 16 4.5
E
GND
0.0
4.8
4.8
4.9
4.9
GND
GND
GND
K
[AUDIO]
CONDUCTOR SIDE (KV-29FA310 ONLY)
4 1 2 3 4
A
B
C
D
E
52