Philips MX3900D Service Manual page 89

2
DIGITAL I/O, S-VIDEO, SCART, & I C EXPANDER CIRCUITS (For pcb layout ... 35006)
1 2 3
A
FMN FMN
1404
1401
T426
1 1
DVD_L
2 2
DVD_LR
T427
3 3
DVD_R
4 18FMN-BTRK-A 4
DVD_LR
1403
T428
5
5
1 DVD_SUB
B
2
6
6
3
DVD_CS
4 7 T429
7
5 DVD_SL
8 6 8
7
DVD_SUR
8 T430
9 9
9 DVD_C
10
10 10
11
DVD_CS
12 T431
11 11
13 DVD_SR
14
12 12
15
DVD_SUR
C
16
13 13
17
GND_DIG
18 14 T432
14
DIG_OUT
15 15
GND_DIG
T433
16 16
DIG_IN
17
MIC
18
MIC_IN
19
GND_A
D
T435
20
DPL_R
21
GND_A
T442
22
DPL_L
1406 1405
FMN-BTRK FMN
E T416
0_6_12
1
1
T417
2 MUTE_AV
2
3
4 T419
3
5
6 T420 R_Pr
4
7
8
5
9
10 T421 C_B_Pb
6
11
Y
12
7
13
F T422
14 Y_G_Y
8
C
9
T423 CVBS_DVD
10
V
G
1181-3
7CHA 5401
2u2
5402
YKC21-4483 T437 3444 2424 DIG_OUT
4 3
GREEN_TOP
33R
2 100n
5
# 4401
T443
6 1
6
330p
8 7
GND_DIG
2429
H
EMC_GND
4400
1181-4
DIG_IN
T439 2426
3446
7
150R
10n
8
GREEN_BOT
YKC21-4483 GND_DIG
I
1 2 3
9-7a
4 5 6
LINE_L
7402 +5V_MUTE_1
GND_D
M62320FP
16 15 14
MUTE_SCART_LO
+5V CHIP SELECT
GND_D GND_D
2 SCL
I 2 C BUS MUTE_AV
SHIFT
1
3 SDA
TRANSCEIVER REG
SO
3411 4.8V 8 8 8
13
PWR
OUT I/O IN
270R
8 RES
DATA LATCHES
8 8 8
I/O PORT LINE_R
GND_D GND_D
12 11 10 9 7 6 5 4
+5V
AMP_ON_S
AMP_ON_LRCS
HI
+2.5V
LOW
2450
100n
GND_D
2451
100n
GND_D
MUTE_AV 3456
7451
BC817-25
15K
# 4402
GND_D GND_D +5VVID
MUTE_AV 3458
4u7 4.9V
7452
BC817-25 2445
15K 3431
C_B_Pb
5403 BC847B
100R
# 2u2 2.4V
GND_D GND_D
V
+5V
SSSS2
H = Interlaced
1187
Pscan_DET
L = PROG SCAN
V
+5VVID
+5V
3472
4.9V
4R7
V
-5VVID
-5V 3480
-6.2V
4R7
V
4 5 6
7 8 9
2431 3465 SCART_LO_L
1K 7455
1u
7132 BC847B
3463
BC857B
TV_IN_R
2K2
10K 2433
3460
1n
1n
3461
A_LO
47K 2434
7454 7456
BC817-25
BC847B
3464
TV_IN_L
GND_A
2K2
2432 3466 SCART_LO_R
1u 1K
Pin 8
0 - 2V : TV BCAST
4.5 - 7V :
9.5-12V :
+5VVID
POWER AMP.
STATUS
ON
4.9V
MUTE
4408
# 2.4V
DVD_ON
CVBS_DVD 3416
STANDBY
7411
5405
BC847B
100R
2u2
3415
68R
V V
4403
#
+5VVID
4u7 4.9V 4u7
2446 2447
7406
7405
3434
Y_G_Y # BC847B R_Pr
5404
100R
2u2 # 2u2
2.4V
5407
B_OUT G_OUT
V
4418
+5VVID
4.9V
4411
3447 2.4V
4415 7423
Y_G_Y #
5408
BC847B
100R
2u2
Y
-5VVID
4419
+5VVID
C
4.9V
4412
3449 2.4V
4416 7421
C_B_Pb # 5409
BC847B
100R
2u2
-5VVID
+5VVID
#
4409
#
CVBS_DVD 3420
#
7410
#
5406
BC847B
100R
2u2 #
3418
68R
-5VVID
4410
7 8 9
9-7a
10 11 12 13
For Scart version only
SCART 1
For -/22 only
2414 3402
1186
8K2 T400
1u0 SCART_LO_R 3400 1 6402
470R 2 BZX384-C15 6403
3401 T401 6404 BZX384-C15
3
SCART_LO_L
470R T402 BZX384-C15
4 4413 #
5 4414
2415 3404 6 6405
A_LO
8K2
1u0 3430 T403 7 BZX384-C15 6406
B_OUT
68R 0_6_12 8 6407 BZX384-C15
4430
BZX384-C22
9
V
10
16 : 9 DVD
3433 V 11 6408
G_OUT
4: 3 DVD
T405
68R 12 BZX384-C15
4433
T406 13
4436
V 14
Pin 16
T407
3436 15
R_OUT
+3V3 0 - 0.4V : CVBS
3414 68R 3413 16
3412 1 - 3.0V : EXT RGB
33R 47R T408 17
15K BC847B 18
7431
V T409 19 6409
20 BZX384-C15
21
V
4404
+5VVID
Scart version
4428
Non-Scart version
R_OUT 3428
4.9V
T225
68R
# 3437 # 7407 B_OUT
3427
4
BC847B
100R 68R T413
2.4V
4427 3
R_OUT
T412
G_OUT 3426
2
68R
1
4426
V YUV/
YKC21-4423
1184
PROG SCAN
V
+5V
1183-A
LAP5100-1301G
4424 1
V
2
68R
Y 6
T436
3424
3
S_Video_DET
T410
3425
4
S-VIDEO
68R
C
4425 2410 2409
220p 220p L=S-Video inserted
#
T411
V
CVBS
3139 113 35006_04 dd wk0405
10 11 12 13
1181-3 G1 3472 H5
1181-4 H1 3473 G5
1183-A G12 3474 G13
1183-B H13 3480 I5
1184 F13 3481 E6
1186 A12 3482 F6
1187 G6 3483 E8
1401 A1 3484 F8
1403 B1 3485 E10
1404 A2 3486 F10
1405 E2 3487 C9
1406 E1 3488 D9
A
2400 A11 4116 H13
2401 B11 4400 H1
2402 B4 4401 G3
2403 D12 4402 E6
2404 D12 4403 E8
2405 A10 4404 E10
2406 B10 4408 D8
2407 H13 4409 I8
2408 H12 4410 I9
2409 G12 4411 F8
V
2410 G11 4412 H8
B
2411 F12 4413 B13
2412 F12 4414 B13
2413 F12 4415 F8
2414 A10 4416 H8
2415 B10 4418 F9
2417 A4 4419 G9
2418 A4 4421 C6
2420 H5 4422 C6
2421 I5 4424 G11
2422 I5 4425 G11
2423 H1 4426 F12
2424 G3 4427 F12
C
2425 H1 4428 E12
2426 H2 4430 B11
2427 I2 4433 C11
2428 G2 4436 C11
2429 H2 5401 G3
2430 B8 5402 G2
2431 A7 5403 E5
2432 B7 5404 E7
2433 A8 5405 D8
2434 B8 5406 I8
2435 A9 5407 F10
2436 B9 5408 G8
D
2445 E5 5409 H8
2446 E7 6402 A13
-5V
2447 E9 6403 A13
2450 D6 6404 B13
2451 D5 6405 B13
2455 B11 6406 B13
2456 C12 6407 B13
2457 C12 6408 C13
2459 B12 6409 D13
3428
2460 B11 7132 A8
0R
3400 A11 7402 A4
68R E 3401 B11 7405 E6
3402 A10 7406 E9
3403 A10 7407 E11
3404 B10 7410 I9
3405 B10 7411 D9
3411 B3 7421 H9
3412 D10 7423 F9
3413 C11 7431 D11
3414 C11 7451 D4
3415 D10 7452 E4
3416 D9 7454 B7
3417 D9 7455 A8
F
3418 I9 7456 B8
3419 I9 T225 E12
3420 I9 T400 A12
3421 C4 T401 B12
3422 C4 T402 B12
3424 G11 T403 B12
3425 G11 T405 C12
3426 F12 T406 C12
3427 E12 T407 C12
3428 E12 T408 D12
3430 B11 T409 D12
3431 E6 T410 G11
G
3432 F6 T411 H12
3433 C11 T412 F12
3434 E8 T413 E12
3435 F8 T416 E2
3436 C11 T417 E2
3437 E10 T419 E2
3438 F11 T420 E2
3441 A3 T421 F2
3442 A4 T422 F2
3444 G2 T423 F2
3445 I2 T426 A2
H 3446 H1 T427 B2
3447 F9 T428 B2
3448 G9 T429 B2
3449 H9 T430 B2
3450 H9 T431 C2
3451 C3 T432 C2
3452 C4 T433 C2
3454 C3 T435 D2
3455 C4 T436 G11
3456 D3 T437 G1
3457 D4 T439 H1
3458 E4 T442 D2
3459 E4 T443 H1
I
3460 A7
3461 B7
3462 A7
3463 A8
3464 B8
3465 A7
3466 B7
3467 A9
3468 B9