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Philips MG2.1E Service Manual page 48

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7
Electrical diagrams and print lay-outs
1
2
VIDEO CONTROL & GEOMETRY
A
7402
TDA9178
13 12 2
10
23 24
18
F1
GND
VCC
NC
K5-201
SOUT
Y-FEAT
2414
3436
6
YIN
LUMA
YOUT
PROCESSING
100n
SPEC-
F2
8
UIN
UOUT
TRAL
CHROMA
B
K5-202
9
VIN
PROC
VOUT
PROCESSING
2415
F3
U-FEAT
22
WIN-
CF
K5-203
100n
CONTROL
ADC
DOW
2416
V-FEAT
K7-71
100n
3432
SDA-F
14
11
7
15
3
4
5
K7-70
100R
SCL-F
2417
3433
100R
100n
C
LIGHT_SENSOR
K7-99
4425
K5-204
2406
28
2.0
Y-OUT
K5-206
2407
100n
27
U-OUT
2.3
SWITCH
K5-207
2408
100n
2.3
26
V-OUT
100n
0
33
FBL-PIP
D
Y
PIP
2410
R1
30
2.8
R-PIP
PIP
2411
100n
RGB-YUV
2.8
G1
31
G-PIP
2412
MATRIX
100n
B1
32
2.8
B-PIP
PIP
100n
K7-70
3303
3.9
10
SCL-F
100R
SDA-F
RES
K7-71
I
3300
E
+8V6
3304
4.5
11
6R8
2300
100R
RES
5300
220u
RES
6300
5301
17
8.1
SYNC+GEO
5302
8.1
39
RGB
2303
6u8
3302
4.8
18
BANDGAP
2u2
100R
19
0
F
+5V2
+5V2
ANAGND
100n
5
7
DIGSUP
2304
0
6
DIGGND
F4
K5-59
3317
23
F5
0
VD
1K
3318
0.5
HD
24
K5-60
1K
PHI-
4.9
12
Hsel
G
20
XTAO
3
H
GND
HOSD_PIP
4426
I
1
2
LOW
50Hz Eur
PinName
100Hz ECO Eur
1FH AP/US
P2-7
RESET GEMSTAR
MG2.1E
3
4
5
20
TOPIC
3434
21
+8V6
4R7
2419
19
22n
3435
17
4u7
RES
16
7403
2418
PDTC144ET
100R
PIP ONLY
1
3431
3438
4408
100K
RES
3.6
3.6 3.6
0.4
35 36 37
38
Y
R
R
R
SATUR'N
CONTRAST
WHITE
CONTROL
G
AND
U
G
G
COLOUR
RGB-INSERTION
POINT
B
BRIGHTNESS
DIFF
CONTROL
V
B
B
CONTROL
MATRIX
SAT
Y
U
V
CONTR
BLACK
BEAM CURR
STRETCH
LIMITER
BRIGHT
2
C
HOP
VIDEO CONTROLLER
DEFLECTION PROCESSOR
START/STOP
1
PHI-2
H-DRIVE
SC
21
9
13 14
29
22
5
0.7
4.0
0.16
0
0
+8VS
0.83
1305
XTAI
1
CST
2
3306
10M
RES
FBCSO
3
4
5
TOP
100Hz TOP/MED Eur
100Hz AP
RGB1FH/FRONT UI
H SEL
51
6
7
8
+8VR
*
NOT FOR MG2.1E
+8VR
*
3412
3404
RES
3413
47R
*
3405
RES
*
3414
47R
RES
2425
5305
7300
10p
5u6
TDA9330H
0.24
R-VC
34
5306
BC857B
40
3400
R
R
3
7419
OUTPUT
5u6
AMPL
820R
3401
41
G
G
3
+ BUFFER
820R
5307
+ BLUE
42
3402
B
B
3
BC857B
STRETCH
7418
5u6
820R
+8VR
6431
WHITE P.
3428
BAS216
6429
2K2
3430
PWL +
CONTIN'S
3439
44
220R
CATHODE
BZX284-C5V6
7.3
10K
2426
3429
CALIBR'N
330R
RES
43
2.3
0.25
3370
25
BAS216
6-BITS
DAC
10K
+8VS
S8
3320
3
EW
3.5
1K
4
2.3
2
0.7
FRAME
1
S5
0.67
S6
BAS216
16
3323
3.9
RAMP
2323
+8VS
39K
15
3.8
GENERATOR
8
100n
1.7
3326
220R
S7
+8VS
+8VS
6340
6341
3340
3352
BC857B
7341
3342
1K
3K3
BZX284-C39
BAS216
10K
2344
100n
3345
RES
6
7
8
9
10
11
K1:K7
EHT-INFO
3406
K6-90
0340
47R
1
BC857B
2
7420
3
FROM / TO
R-VC
4
0340 OF
5
G-VC
6
FBCSO
CRT-panel
7
B-VC
8
+8VR
7438
9
PDTC144ET
K6-82
BLC-INFO
LINE-DRIVE
+8VR
BLC-INFO
GND-DRIVE
2424
K6-87
EW-DRIVE
RES
BC857B
1R
LDP
7424
6424
K6-84
6422
3423
VDPOS
K6-83
BAS216
VDNEG
K6/K7-77
FBCSO
EHT-INFO
K6-89
K6-90
EHT-INFO
K6-80
DAC-HOP
K6-86
K6-88
K6-89
EW-DRIVE
K6-87
3330
EHT-INFO
K6-86
1M
USA-ONLY
K6-85
6334
3334
XRAY-PROT
1K
K6-83
3321
VDNEG
1K
K6-84
3322
VDPOS
1K
K6-82
LINE-DRIVE
K6-85
XRAY-PROT
K7-104
+8V6
+8V6
+8V6
PANORAMA
K6-88
DAC-HOP
K6-76
DYN-PHASE-COR
K6/K7-106
6350
K6-80
VFB
3350
EHT-INFO
470K
BZX284-C27
7351
HFB
BC857B
K6-75
K7-107
9
10
11
12
0311 G12
3342 H6
0315 D12
3343 H5
0340 C10
3344 H5
0360 H12
3345 H6
1305 H3
3350 G9
2300 E2
3351 G9
A
2301 F1
3352 H8
2302 F1
3353 H8
2303 F2
3369 E7
2304 F2
3370 E7
2305 I2
3400 C7
2306 I3
3401 C7
2307 G1
3402 D7
2308 G1
3404 B8
2309 E2
3405 B8
B
2310 E2
3406 C9
2311 E2
3407 B8
2312 H4
3408 B8
3409 B9
2313 H4
2315 H5
3412 B8
2321 G8
3413 B8
2322 G8
3414 C8
2323 G7
3420 E8
2325 G8
3422 E8
2331 F8
3423 E9
C
2340 H7
3424 E9
2343 H5
3425 D10
2344 H6
3426 D10
2351 G9
3427 E10
2400 C9
3428 D7
2401 C9
3429 D8
2402 B9
3430 D8
2403 C5
3431 C4
GND-DRIVE
2404 C5
3432 C1
D
0315
2405 C5
3433 C1
1
2406 C2
3434 A4
2
2407 C2
3435 B5
2408 D2
3436 B1
3
2410 D2
3437 C1
4
2411 D2
3438 C4
FROM / TO
5
2412 D2
3439 D7
0315 OF
2414 B1
3440 D7
6
2415 B1
3441 D7
7
E
2416 B1
4311 G2
8
2417 C1
4408 C4
2418 B4
4410 D1
9
2419 B4
4420 B5
2422 E8
4425 C1
2423 E9
4426 H1
2424 D9
4427 H1
2425 C6
5300 E1
2426 D7
5301 F1
2427 B1
5302 F1
F
2428 D8
5305 C7
2429 C8
5306 C8
2430 C8
5307 D7
3300 E1
6300 E1
3302 F2
6310 I4
3303 E2
6311 I4
0311
3304 E2
6334 F8
1
3306 H3
6340 H7
2
3307 F1
6341 H7
G
3
3308 F1
6344 H5
TO LSP
3309 H4
6350 G10
4
3310 G3
6354 H8
5
3311 H4
6420 E8
6
3312 H4
6422 E8
3313 G4
6424 E10
7
3314 H4
6429 D8
3315 H5
6430 H3
3316 G5
6431 D7
0360
H
3317 F1
7300 C6
1
SCL-S
3318 G2
7341 H6
TO LSP
2
3320 E7
7351 H9
3
3321 F8
7402 A1
SDA-S
3322 F8
7403 B5
3323 F7
7418 D8
3325 G8
7419 C8
3326 G8
7420 C9
3330 F8
7424 E10
3331 E7
7438 D9
I
3332 F8
3334 F9
3340 H7
3341 G6
12

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