EN 94
7.
LX7500R
Circuit Diagrams and PWB Layouts
V
V
V
V
V
VCC
GND
V
GNDB
Y|CVBSIN-AUX
Y|CVBSIN-TV
CIN-TV
GND1
DIGOUT
FBIN-AUX
B|PBIN-AUX
G|YIN-AUX
R|PR|CIN-AUX
Y|CVBSOUT-AUX
COUT-AUX
Y|CVBSOUT-REC
DECV
YIN-ENC
CIN-ENC
CVBSIN-ENC
B|PBIN-ENC
G|YIN-ENC
R|PR|CIN-ENC
VCCB3
VCCB2
VCCB1
VCCB-REC
VCC
VDD
SCL
SDA
Y|CVBSIN-TUN
6
5
4
3
2
1
GNDD
CIN-TUN
C-GATE
Y|CVBSOUT-TV
FBOUT-TV
B|PBOUT-TV
G|YOUT-TV
R|PR|COUT-TV
GNDB-REC
GND2
V
V
1945-2
I469 G6
I470 G6
I476 F8
I478 E8
I479 E8
I481 E8
I482 E8
I483 E8
I486 H13
GND
GND
GND
TEMP_SENSE
fr
om / toCOMBI boar
d 1102
5VSTBY
I416 F3
I417 E2
I418 H1
I419 I1
I420 I6
I424 I5
I428 I3
I429 I2
I433 H13
not used
1%
not used
from / to Digital Board
I467 D14
I468 G6
F5208 C12
F5210 A11
F5211 A12
F5213 A12
F5215 A11
F5216 C11
F5219 A11
F5220 F11
F913 D10
I341 A13
I402 D14
I405 H6
I406 B2
GND
PR
PB
Y
PSCAN
to Digital Board
not used
I414 D7
I415 F2
F4718 H10
F4720 H10
F4721 I8
F4722 H11
F499 A3
F5101 B8
F5102 B8
F5103 B7
F5106 B6
F5108 A7
F5110 A5
F5113 A6
F5116 B5
F5119 B5
F5120 B4
GND
I437 H13
I453 H4
I454 I5
I456 C7
I457 C7
I458 A6
I459 A6
I460 A5
I461 E6
I462 E6
I464 E6
I465 E6
I466 E6
CFIN
GND
CVBSFIN
GND
F360 E6
F401 I2
F402 H2
F403 I8
F404 I5
F405 I6
F412 I5
F4203 E1
I407 B2
I408 B3
I409 B3
I411 D3
N.C.
from/to uP Board
1%
I412 D3
I413 C4
F4714 H10
F4716 H10
6422 A11
6423 A8
6424 B10
6427 I13
6428 I13
6429 I13
7004 D7
7401 A2
7402 B3
7403 B1
7404 I4
7405 D14
7407 E14
7409 D14
7411 D3
F5201 A14
F5202 A13
F5206 A12
F5207 A12
GND
4401 A9
4402 D1
4403 D1
5401 C4
5402 C9
5403 C6
5406 C8
6401 B4
6402 B6
6403 B6
6404 B6
6409 A4
6414 B5
6415 B11
6416 B12
F4205 F2
F4207 F1
F4209 F1
F4210 E1
1%
F4505 I3
F4707 I9
F4712 H9
3469 B14
3470 B12
3471 B7
3472 B8
3475 B9
3476 B9
3477 B14
3478 B14
3481 F2
3482 F2
3483 F3
3484 F3
3489 E1
3490 D3
3491 D11
7412 H5
7419 H2
7420 H3
7421 H5
GND
not used
GND
3442 D13
3445 E5
3446 B3
3447 A3
3451 I5
3452 G9
3453 D1
3454 A3
3455 E4
3458 H2
3459 G4
3460 H3
3461 A14
3462 A14
3463 A13
6417 B12
6418 B12
6419 B11
6420 A5
1%
3468 B8
not used
YFIN
IPOR_DC
INT
3424 E14
3426 E13
3427 C11
3428 E14
3429 D1
3492 D11
3493 D12
3494 G9
3955 H6
3439 F5
3440 H3
3405 B2
3406 B2
3407 B3
3408 B1
3409 B6
3410 C6
3411 B10
3412 C5
3413 B6
3414 C5
3415 H4
3416 H4
3417 C11
3418 I3
3419 I4
3464 A12
3465 B7
3466 B7
3467 B8
from/to uP Board
1%
PR
2438 F9
2439 E9
2440 E9
2441 E10
2446 H6
2449 F1
2450 B2
2451 I14
2452 I11
2453 I12
2459 D1
3431 G6
3432 C3
3433 C3
3437 G1
CECO_RST
3438 G1
3403 B12
3404 B4
2410 C3
2411 D7
2412 I2
2413 C7
2414 C7
2415 C10
2416 G11
2417 F4
2418 F9
2419 E6
2421 E1
2423 G9
2427 G9
2428 F2
2433 E9
3420 F9
3421 C14
3422 D13
3423 D14
12VSTBY
SCL
GND
GND
GND
PB
from/to uP Board
not used
SDA
1945-3
2464 A3
3400 H3
3401 B11
3402 B12
2408 F3
2409 D8
9
10
11
12
13
14
A
B
C
D
E
F
G
H
I
2434 C8
2435 C7
2436 E11
2437 E9
GND
GND
GND
GND
GND
GND
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
E
F
1945-4
8
G
H
I
1940-1 A8
1940-2 A13
1940-3 A14
1942 E1
1943 C1
1945-1 I2
1946 I11
1947 I8
1949 H14
2401 B4
2402 B1
2403 D4
A
B
C
D
N.C
.
from/to uP Board
GND
not used
1
2
not used
4
5
6
7
not used
Y
2404 D4
2405 C8
2406 I4
2407 I2
not used
from / to front 1922
3417
75R
2403
47u
1u0
2427
2437
1u0
F4205
I456
100R
3433
I406
2410
1u0
BC847BW
7407
16
22K
3419
150R
3491
3469
100K
I460
10u
5401
10K
3451
2421
10u
5NESD
F5219
3401
75R
2436
1u0
F5210
150R
3490
10K
3455
1u0
2408
2415
100p
3464
BZX384-C12
6404
5
6
7
8
9
150R
3452
1942
B9B-PH-K
1
2
3
4
9
6417
BZX384-C12
6424
BZX384-C12
100K
3400
3445
150R
23
7401
BC857BW
I462
3454
1K0
4403
12VSTBY
100n
2450
F5106
3403
75R
I454
2440
1u0
F5116
12VSTBY
F5103
3481
1M0
5402
10u
3
BC847BW
7409
2
3460
4K7
3421
27K
1K0
3415
I459
75R
3427
4402
3410
75R
47K
3429
28
1u0
2446
BSH111
7420
5NSTBY
47u
2405
I402
I482
F5215
I407
3447
47K
F5201
3423
390R
F4721
F4716
F4722
F5208
F412
2401
100p
10u
F5202
2428
F5102
I483
5SW
F499
3463
3409
75R
3489
82K
20
F5113
F913
10u
5406
5VSTBY
4401
I478
3461
I486
3467
5NESD
2406
10n
5NESD
5VSTBY
3468
1u0
2419
F4707
5VSTBY
3472
100K
29
2
3
4
1
F4714
LPR6520-G000G
1949
3482
1M0
5NESD
15
2439
100n
5
OUT2
6
OUT3
13
I464
4
10
16
IN1A
1
IN1B
11
IN2A
14
IN2B
8
IN3A
9
IN3B
3
OUT1
Φ
3-CHANNEL
VIDEO SWITCH
2
CTL1
12
CTL2
7
CTL3
15
I468
7411
NJM2285M
6420
BZX384-C12
7402
BC847BW
F4210
4
F5206
7405
BC847BW
4K7
3458
3955
10K
BZX384-C6V8
6414
6415
BZX384-C12
7412
PDTC124EU
1M0
3483
7419
BSH111
I461
2414
100n
GND
I412
F5119
I469
I476
150R
3492
F4209
100n
2404
3465
6427
BZX384-C12
I453
150R
3494
7A
8A
9A
100R
3475
19A
2A
20A
21A
3A
4A
5A
6A
10A
11A
12A
13A
14A
15A
16A
17A
18A
11
1940-1
1A
I414
I466
100K
3470
3426
33K
BZX384-C6V8
6409
22
3
4
5
6
7
8
9
6403
BZX384-C12
13
14
15
16
17
18
19
2
20
21
1
10
11
12
47K
3446
1947
22FMN-BTRK-A
3453
10K
5NESD
3484
1M0
BZX384-C12
6416
I417
1u0
2418
F5120
24
100K
3471
5VSTBY
2416
1u0
BZX384-C12
6402
32
75R
3414
100K
3418
2434
47u
I408
6423
BZX384-C12
3440
10K
2412
F5108
1u0
2459
5NESD
100n
2411
26
I424
3422
820R
BC857BW
7404
F4718
F4203
12VSTBY
I428
5NESD
I481
F5213
F4720
I465
F402
10K
3438
68p
2449
12VSTBY
10
3406
220K
3407
3K3
6429
BZX384-C12
75R
3402
5VSTBY
47n
150R
3493
2433
F5216
5VSTBY
F360 / I463
2402
100n
F4712
3408
3K9
17
7421
BC847BW
19
1
41
25
21
33
9
31
37
38
8
20
24 30 32
36
7
35
34
3
12
26
22
39
15
10
29
17
40
23
4
5
42
44
2
14
16
18
Φ
VIDEO SWITCH
MATRIX
13
11
27
28
6
43
I411
7004
STV6618
75R
3413
3437
10K
3412
75R
3442
150K
5NSTBY
3459
10K
7
8
9
F5110
1
10
2
3
4
5
6
1943
10FMN-BTK-A
7
BZX384-C12
6428
BC857BW
7403
I419
5VSTBY
10u
2464
22
31
BZX384-C3V9
6422
1945-1
1
3428
100K
5VSTBY
2417
10u
3405
22K
I433
1u0
2438
14
3416
4K7
3476
100R
5NESD
I418
75R
3411
MT2
1940-3
MT1
MT2
5VSTBY
12
035 0 8081 90
100R
3477
5NSTBY
BZX384-C12
3424
33K
6419
19
5VSTBY
2407
F403
100n
2435
3466
3439
10K
F5211
25
100R
3478
4K7
3431
5
I416
3462
30
5NESD
10u
5403
18
F5207
I437
I458
I405
5SW
6401
BZX384-C12
2413
47u
I409
F404
5VSTBY
5VSTBY
3432
100R
6
5VSTBY
I415
I457
F5220
F5101
I429
75R
3404
5NESD
I479
100n
2452
100n
2453
27
21
13
I467
I470
5SW
5VSTBY
F4505
2441
1u0
21B
3B
4B
5B
6B
7B
8B
9B
12B
13B
14B
15B
16B
17B
18B
19B
2B
20B
1B
10B
11B
3420
150R
1940-2
F401
F405
5VSTBY
BZX384-C12
6418
5VSTBY
8
100n
2451
5VSTBY
F4207
I341
I420
I413
1u0
2423
1
2
3
4
5
6
7
100n
2409
D_CVBS
D_Y
1946
07FMN-BTRK-A
A_C
A_YCVBS
A_YCVBS
A_YCVBS
SCL
SCL
SD
A
SDA
IPOR_DC
D_B
D_G
IPF
A
IL
AFC
AFC
STBY
STBY
FBIN
FBIN
8SC1
INT
CECO_RST
CECO_RST
5NSTBY
AOUT2L
AIN2L
AIN2L
AIN2R
AIN2R
A_B
A_G
A_R
YCVBSIN2
YCVBSIN2
PW
ONSW
A_YCVBS
A_YCVBS
KILL
ASC1M
WU
WU
8SC2
8SC2
FOME
FOME
5SW
PSS
AGC
AG
C
SB1
SB1
WSFI
WSFI
SCL
SCL
SD
A
SD
A
TEMP_SENSE
PW
ONSW
ASC1S
P50
12VSTBY
12VSTBY
ION
ION
SFS_TS
SFS_TS
PSS
AKILL
YCVBSOUT1
IASC1M
AINFL
AINFR
AINFR
P50
P50
WU
A
OUT1R
AIN1R
AIN1R
AOUT2R
A
OUT1L
TEMP_SENSE
SCLSW
SD
ASW
AINFL
VSA1
VSA2
WSFI
CVBSIN1
CVBSIN1
5SW
VFV
D_C
D_R
YCVBSIN2
AIN1L
AIN1L
BOUT
GOUT
RCOUT
FBOUT
CVBSOUT2
12VSTBY
5VSTBY
ANALOG BOARD
In/Out Video (IOV)
A/V board LX7500R, 231104
1
2
OSCILLOGRAMS
..
..V MEASURED IN RECORD MODE
..V MEASURED IN PLAYBACK MODE
A: DC, 500mV/Div
10us/Div
A: DC, 200mV/Div
10us/Div
D_CVBS F4712
A: DC, 200mV/Div
10us/Div
A: DC, 200mV/Div
10us/Div
A: DC, 200mV/Div
10us/Div
A: DC, 200mV/Div
10us/Div
A_CVBS I405
D_Y F4714
D_C F4716
D_R F4718
D_G F4720
A: DC, 200mV/Div
10us/Div
D_B F4722
I465
I461
I462
I463
A: DC, 500mV/Div
10us/Div
A: DC , 500mV/Div
10us/Div
A: DC , 500mV/Div
10us/Div
A: DC
10us/Div
Содержание LX7500R
Страница 60: ...Diagnostic Software EN 60 LX7500R 5 ...
Страница 103: ...EN 103 7 LX7500R Circuit Diagrams and PWB Layouts uP Sub Board top view uP Sub Board bottom view ...
Страница 125: ...Circuit IC descriptions and list of abbreviations EN 125 LX7500R 9 9 3 5 Video routing Figure 9 1 Video IO Europe ...
Страница 129: ...Circuit IC descriptions and list of abbreviations EN 129 LX7500R 9 9 4 4 Video routing Figure 9 3 Video IO Nafta ...
Страница 136: ...Circuit IC descriptions and list of abbreviations EN 136 LX7500R 9 Figure 9 9 ...
Страница 137: ...Circuit IC descriptions and list of abbreviations EN 137 LX7500R 9 Figure 9 10 ...
Страница 141: ...Circuit IC descriptions and list of abbreviations EN 141 LX7500R 9 IC7411 NJM2285 Analog Board Video Switch ...