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Circuit Diagrams and PWB Layouts
TV Board: SAW Filter, Ext. Video Select, Histogram, & C-Sync Generator
SAW FILTER, EXT. VIDEO SELECT, HISTROGRAM & C-SYNC GEN
(15"/17"/23" EUROPE & AP-PAL)
1
2
EXT. VIDEO SELECT
+8V3
7401
74HC4053
16
8V2
SWITCH
6
VCC
G3
A
14
C-SC2_SVHS-IN
MUXDX
3404
0R
2404 22n
12
A11
1y0
11
C-FRONT-IN
3405
0R
2405
22n
13
A11
1y1
15
Y-CVBS-FRONT-IN
3403
2403 1u0
0R
A11
2
2y0
10
1
3V8
CVBS-SC1_AV1-IN
3401
2y1
0R
2401 1u0
A11
RES
4
3410
B
5
9
3y0
Y-CVBS-SC2_AV2-IN
3402
0R
2402
1u0
A11
3
3y1
RES
VEE
GND
3409
7
8
A1
SEL-MAIN-FRNT-RR
2408
A1
SEL-MAIN-R1R2
100n
C
"401" ~ "425"
5451
+8V3A
4451
6u8
4452
2452
10n
3455
4453
2453
6K8
A3
IF-TER
4454
10n
D
3460
4455
2K2
5452
3456
3461
390n
2K2
2K2
6452
1SS356
6451
1SS356
SEL-IF-LL_M-TRAP
A1
3459
22K
7451
BC847BW
3457
7452
27K
BC847BW
4V9
E
0V
3465
47K
3458
0V
18K
RES
4456
4457
4458
F
4459
4460
VIDEO & QSS IF
EUROPE & AP
PAL-MUTLI
"451" ~ "470"
ONLY
1
2
LC03E
3
4
5
+8V3
+8V3
3417
3411
C-SYNC GENERATOR
2417
10R
1K5
10u 16V
3412
2412
6412
5V3
1K5
220n
BAS316
2418
8V5
1u0
3V6
+8V3
7412-A
5V3
2V9
BC847BS
F413
+8V3
3413
3414
1K0
1K5
3418
3393
10R
4K7
3394
3415
2415
8V2
1V2
6415
1K5
220n
BAS316
27K
2419
1u0
3V6
7390
BC847CW
7412-B
2V9
BC847BS
3416
2407
1K0
100n
"380" ~ "399"
2
7
I
O1
3
8
ISWI
O2
HISTOGRAM PROCESSING
1
4
11
5
12
6
NC
16
9
17
2470
2471
10
GND
2472
100n
10n
13
10n
14
15
1452
F470
F471
F472
18
OFWK9656L
40M4
6
2
7
AMPSEL
I
O1
3
8
ISWI
O2
2
UIN
RES
5453
1
820n
1V6
3
VIN
4
11
5
12
INPUT
1V8
7
YIN
6
NC
16
AMP
9
17
10
GND
TIMING
5
SC
13
AND
14
0V6
1453
CTRL
15
F474
18
OFWK9656L
40M4
9
7403
2
7
I
O1
TDA9171
3
8
ISWI
O2
5454
1
+8V3A
RES
4
11
5470
5
12
6
NC
16
6u8
9
17
10
GND
13
14
1454
15
OFWK9656L
18
40M4
3
4
5
7.
42
F385
F413
200mV / div DC
1V / div DC
20µs / div
20µs / div
6
7
+5V4
+5V4
3380
3381
22K
5K6
3382
0V2
0V
10K
0V6
+8V3
7380
BC847CW
2380
6380
470p
+8V3
BAS316
3391
10K
3392
220K
+5V4
2391
0V5
3V3
3387
330p
3390
10K
0V5
6390
4K7
2390
BAS316
2n2
7391
0V5
BC847CW
3389
0V2
7383
BC847CW
560R
3470
10K
3474
RES
3471
220K
RES
3472
3475
0R
3473
0R
2473
220n
F473
0V5
0V5
5V
1V7
20
8
1
TAUHM
BLM
BLG
2V4
UOUT 19
SATURATION
BLUE
COMPENSATION
STRETCH
VOUT 18
AMPSEL
2V4
AMPSEL
NON-LINEAR
OUTPUT
YOUT 14
AMPLIFIER
AMP
2V1
SUPPLY
HISTOGRAM
AND
HISTOGRAM
BIASING
F477
MEASUREMENT
PROCESSOR
5V
7V7
4
16
10
11
12
13
15
17
0V5
2480
2481
3477
10u
100n
3476
18K
15K
6472
F476
BAS316
6
7
F470
F471
F472
F480
500mV / div DC
500mV / div DC
500mV / div DC
1V / div DC
20µs / div
20µs / div
20µs / div
20µs / div
1452 D3
8
9
1453 E3
1454 F3
A6
MAIN-C-EXT-IN
2380 B7
2381 A9
A4,A6
MAIN-CVBS-EXT-IN
2382 C8
2390 C6
H-SYNC
A1
2391 B5
+5V4
+5V4
2401 B1
2402 B1
2403 A1
2404 A1
7382
3383
2381
A
5V3
BC847CW
2405 A1
4K7
1u0
2407 C3
2V3
2408 C2
3385
C-SYNC
2412 A3
470R
A1
7381
2415 B3
BC847CW
1V7
F385
2417 A3
3384
2418 A4
3386
3395
4K7
560R
270R
2419 B4
2452 D2
2453 D1
2470 D4
2471 D4
LINEDRIVE1
A4
2472 D5
B
2473 D6
+5V4
2474 F5
2475 F5
2476 F5
2477 F6
3388
2478 F6
2K7
2479 F6
2480 F7
0V
7385
2481 F7
BC847CW
2482 F9
7384
3380 A6
BC847CW
3381 A7
2382
3382 A7
220n
3383 A8
C
3384 A8
3385 A9
3386 A9
3387 B7
3388 B8
3389 C7
3390 B6
3391 B6
Y-MAIN
A4
3392 B5
3393 B5
V-MAIN
A4
3394 B5
3395 A9
3401 B1
U-MAIN
A4
D
4470
3402 B1
+8V3A
U-HISTOGRAM
3403 A1
A4
3404 A1
7471
3405 A1
7V8
4471
BC847BW
V-HISTOGRAM
3409 B1
A4
3410 B1
3411 A3
4472
0V8
Y-HISTOGRAM
A4
3412 A3
0V6
3413 B3
3414 B3
3478
SC
A4
3415 B3
10K
3416 C4
F480
SANDCASTLE1
A6
3417 A4
E
+5V4
3418 B4
3481
3455 D1
4K7
3479
3480
3456 D1
7473
47K
47K
3485
BC847BW
3457 E1
10K
0V
3458 E1
3484
HIS-OFF
3459 E2
10K
A1
3460 D2
0V6
3461 D1
RES
2482
3465 E2
7472
3483
100p
BC847BW
3470 D5
10K
3482
3471 D5
10K
3472 D6
3473 D6
"471" ~ "499"
F
3474 D7
RES
3475 D7
VIF2
A4
3476 F6
3477 F7
A4
VIF1
3478 E8
3479 E8
A4
VSIF1
3480 E8
3481 E9
VSIF2
A4
3482 F8
3483 F9
CL 36532023_008.eps
8
9
190503
3484 E9
3485 E9
4451 C2
4452 D2
4453 D2
4454 D2
4455 D2
4456 F2
4457 F2
4458 F2
4459 F2
4460 F2
4461 D4
4462 D4
4470 D9
4471 D9
4472 E9
5451 C1
5452 D1
5453 E4
5454 F4
5470 F5
6380 B6
6390 C5
6412 A3
6415 B3
6451 D1
6452 D2
6470 E7
6471 E7
6472 F7
7380 A7
7381 A8
7382 A8
7383 C7
7384 C8
7385 C8
7390 C5
7391 C6
7401 A2
7403 F5
7412-A B3
7412-B C3
7451 E2
7452 E1
7471 D8
7472 F8
7473 E8
F385 A9
F413 B4
F470 D4
F471 D4
F472 D5
F473 D5
F474 E4
F476 F6
F477 E7
F478 E7
F479 E8
F480 E9
Item#
Component type
1452
V
--
--
-- FIL SAW SM 38MHZ9 OFWK3953L R
1452
--
--
V
FIL SAW SM 45MHZ75 OFWM1967L R
1452
--
--
V
-- FIL SAW SM 38MHZ9 OFWK7265L R
1454
V
--
--
-- FIL SAW SM 38MHZ9 OFWK9656L R
1454
--
--
V
-- FIL SAW SM 38MHZ9 OFWK9361L R
V
V
V
2452
--
CER2 0603 X7R 50V 10N COL
2453
V
--
V
V
CER2 0603 X7R 50V 10N COL
3455
V
--
V
-- RST SM 0603
6K8 PM5 COL
3456
V
--
V
-- RST SM 0603
2K2 PM5 COL
3457
V
--
V
-- RST SM 0603
27K PM5 COL
V
3458
V
--
-- RST SM 0603
18K PM5 COL
V
3461
--
V
-- RST SM 0603
2K2 PM5 COL
4451
V
--
V
V
RST SM 0603 JUMP. 0R05 COL
4453
--
--
V
-- RST SM 0603 JUMP. 0R05 COL
V
V
4455
--
--
RST SM 0603 JUMP. 0R05 COL
4457
V
--
V
-- RST SM 0603 JUMP. 0R05 COL
4458
V
--
--
-- RST SM 0603 JUMP. 0R05 COL
4460
--
--
V
-- RST SM 0603 JUMP. 0R05 COL
V
5451
--
V
-- FXDIND SM 1008 6U8 PM5 COL R
5452
V
--
V
-- FXDIND SM 0805 0U39 PM10 COL R
5452
--
V
--
V
FXDIND SM 0805 0U82 PM10 COL R
6451
V
--
V
-- DIO SIG SM 1SS356
(RHM0) R
7452
V
--
V
-- TRA SIG SM BC847BW
(COL) R
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