Philips EM5A NTSC Service Manual page 80

Colour television
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Circuit Diagrams and PWB Layouts
DW Panel: I/O Processing
1
2
C 3
I/O PROCESSING
C1-16
A
C2-14,F4-25
RESET
6
FB_OUT
5
RESET
SEL_YUV_RGB
4
N.C.
CVBS_TER_PIP
3
2
1
B
0209
CVBS_TER_OUT
3
3404
TO
1992
2
OF
3405
A7
1
CVBS-PIP_TUN1-2-CVBS-IN
0272
3
TO
3401
1921
Y-CVBS-FRONT-IN
2
OF
C
A7
3402
1
C-FRONT-IN
0236
Y-CVBS-SC2_AV2-IN
5
4
GND
TO
C-SC2_SVHS-IN
1920
3
OF
A7
2
1
D
0200
CVBS-SC1_AV1-IN
+5VS
HFB-SANDCASTLE
C1-5,12
F15
VFB
C1-3
SCL
SDA
+5VD
E
0201
1
SDA
2
SCL
3
2437
3n3
4
F14
5
VFB
HFB-SANDCASTLE
6
F
+5V
5402
6u8
7
8
5401
4u7
+8V
9
+33V
10
+33V
+8VS
G
7434
BC636
6436
1SS355
3434
3436
4K7
390R
3439
390R
H
0237 1
TO
1937
OF
A4
1
2
EM5A NTSC
3
4
5
3458
4403
3411
RES
100R
7401-A
16
Vdd
12
Y0
HEF4053BT
S
11
2404
100R
1u
13
Y1
Z
14
Vss
Vee
E
2405
100R
1u
8
7
6
16
7401-C
2401
Vdd
1u
5
Y0
S
9
100R
HEF4053BT
2402
1u
100R
3
Y1
Z
4
Vss
Vee
E
8
7
6
16
7401-B
Vdd
2
Y0
S
10
HEF4053BT
3403
2403
100R
1u
1
Y1
Z
15
Vss
Vee
E
2432
100n
8
7
6
3456
4K7
SEL-MAIN-FRNT-RR
3457
SEL-MAIN-R1R2
4K7
4K7
3460
2431
100n
3V4
12
4
5
3431
100R
3
6
0V
SEL-TUNER1
3V6
3432
100R
3V6
2
7
0V
SEL-TUNER2
0V
13
11
0V
7403
M6232OP
8
9
0V
10
0V
14
15
16
3461
3452
4K7
4K7
3453
4K7
2436
2434
100u
100n
3462
4437
2R2
7435
RES
3437
4K7
F16
0V
7438
BC847BW
0V8
3
4
5
7.
80
6
7
8
3418
100R
3417
+8VS
100R
12
Y0
47K
2411
10u
13
Y1
3412
2412
6412
47K
220n
1SS355
7412
BC847BW
7V8
3V3
2
Y0
1
Y1
2V7
3414
47K
3413
1K
3415
2415
6415
220n
47K
1SS355
5
Y0
3
Y1
7411
BC847BW
3V3
V19
3416
1K
V20
3451
4K7
F14
F16
F18
2V / div DC
50mV / div DC
500mV / div DC
10ms / div
5 s / div
50 s / div
F15
F17
V19
1V / div DC
500mV / div DC
1V/div DC
20 s / div
20 s / div
10us/div
6
7
8
9
10
11
7402-A
16
Vdd
11
HEF4053BT
S
Z
14
Vss
Vee
E
+5VS
8
7
6
+5VS
4419
RES
3422
16
7402-B
560R
Vdd
S
10
HEF4053BT
7422
BC857BW
3419
Z
15
3424
RES
560R
Vss
Vee
E
8
7
6
4424
3463
4K7
RES
560R
7421
4423
3423
BC857BW
16
7402-C
Vdd
S
9
HEF4053BT
Z
4
Vss
Vee
E
8
7
6
F18
4438
Diversity Table C3
0209
CON V 6P
0272
CON V 3P
3417
100R
V20
3418
100R
3419
560R
3422
560R
3423
560R
3424
x
3451
4K7
1V/divDC
3453
4K7
10us/div
3458
100R
3461
4K7
5401
x
7402
x
7421
x
7422
x
7434
x
9
10
11
12
0200 D2
0201 E2
0209 B2
0236 C2
0237 H2
0272 C1
PIP-CVBS-MON
C4-16
2401 C3
C4-24
2402 C3
2403 D3
A
2404 B3
2405 B3
2411 B6
CVBS-PIP-OUT
C4-17
2412 B6
+5VD
2415 C6
2431 E5
2432 D3
2434 F4
2436 F5
2437 E2
2438 G2
2439 G2
B
2440 G2
3401 C3
3402 C3
3403 D3
3404 B2
3405 B2
3411 B5
3412 B6
3413 C6
3414 C5
3415 C5
C
3416 E6
F17
3417 A7
3418 A8
C4-19
3419 C10
3422 B10
CVBS-PIP-INT-IN
3423 C10
3424 C11
3431 E3
3432 E3
SEL_PIP_CVBS
3434 G2
C4-18
3436 G2
3437 H3
PIP_CVBS_OUT
C5-22
D
3438 H4
3439 H2
3451 F6
3452 F5
3453 F4
3456 D3
YCVI
C4-23
3457 E3
3458 B3
MAIN-CVBS-EXT-IN
C4-20
3460 E3
C-PIP-IN
3461 F5
C4-21
3462 G3
3463 C10
E
4401 C3
4402 C4
4403 B4
4419 B8
4423 C8
4424 C11
FBLK
4434 G3
C1-2
4437 G3
4438 F10
5401 F2
5402 F2
F
6412 B6
6415 C6
6436 G2
7401-A B4
7401-B D4
7401-C C4
7402-A A8
7402-B B8
7402-C D8
7403 E4
7411 D6
7412 B6
G
7421 C11
7422 C10
7434 G2
7435 H3
7438 H3
H
CL 16532043_042.eps
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