Philips MX3900D Service Manual page 50

2
DIGITAL I/O, S-VIDEO, SCART, & I C EXPANDER CIRCUITS
1181-3 G2 1186 A13 1406 D1 2404 D12 2411 F13
1181-4 H2 1187 G6 2400 A12 2407 H14 2412 F13
1183-A G13 1401 A2 2401 B12 2408 H13 2413 F12
1183-B H13 1404 A2 2402 B4 2409 G12 2414 A10
1184 E13 1405 D2 2403 D12 2410 G12 2415 B10
1 2
For MX39xx
MX55xx
MX56xx
For MX58xx
MX57xx MX59xx
FMN FMN
1404
1401
1 1
A
2 2
3
3
4 4
5
5
6
6
7
7
8 8
B
9 9
10 10
11 11
12 12
13 13
14 14
15 15
C
16 16
17
18
19
20
21
22
D
1405
1406
FMN
FMN-BTRK
1
1
2
2
3
4
3
5
6
4
E
7
8
5
9
10
6
11
Y
12
7
13
14
C 8
9
10
F
V
G
1181-3
7CHA
5402
YKC21-4483 3444
4
GREEN_TOP
33R
5
6
6
100n
8 7
2425
H
4400
1181-4
3446
7
150R
8
GREEN_BOT
YKC21-4483 GND_DIG
I
V GND_DAC
1 2
9-7
2417 A4 2424 G3 3400 A12 3405 B11 3416 D8 3424 G11
2418 A4 2425 H2 3401 B12 3411 B4 3417 D9 3425 G11
2420 H5 2426 H3 3402 A11 3413 C12 3418 I10 3426 E12
2421 I6 2427 H2 3403 A11 3414 C12 3419 I10 3427 E12
2422 I5 2428 G3 3404 B11 3415 D9 3420 I9 3428 F12
3 4 5
DVD_L
DVD_LR
7402 GND_D
DVD_R M62320FP
16 15 14
DVD_LR
DVD_SUB
CHIP SELECT
+5V
GND_D GND_D
DVD_CS 2 SCL
I 2 C BUS
SHIFT
DVD_SL
3 SDA
TRANSCEIVER REG
SO
8 8 8
3411 4.8V 13
DVD_SUR
PWR
OUT I/O IN
DVD_C 270R
8 RES DATA LATCHES
8 8 8
DVD_CS
I/O PORT
DVD_SR
GND_D GND_D
DVD_SUR
12 11 10 9 7 6 5 4
GND_DIG +5V
DIG_OUT
GND_DIG
DIG_IN
MIC
MIC_OUT
GND_A
DPL_R
AMP_ON_S
GND_A
AMP_ON_LRCS
GND_D
DPL_L
HI
+2.5V
LOW
MUTE_AV 3456
7451
BC817-25
15K
0_6_12
MUTE_AV
GND_D GND_D
R_Pr
4405
MUTE_AV
3458
7452
C_B_Pb C_B_Pb #
5403
BC817-25
15K
2u2
Y_G_Y
GND_D GND_D
CVBS_DVD
Pscan_DET
H = Interlaced
L = PROG SCAN
5401
2u2
2424 DIG_OUT
3
100n
2
# 4401
1
GND_DIG
+5V
3472
4R7
DIG_IN
2426
10n
GND_DAC
-5V
3480
4R7
GND_DAC
3 4 5
3430 B12 3435 F9 3442 A4 3448 G10 3454 C4 3459 E4
3431 E6 3436 C12 3444 G2 3449 H9 3455 C4 3472 H5
3432 F7 3437 E10 3445 H2 3450 H10 3456 D4 3473 G6
3433 C12 3438 F11 3446 H2 3451 C4 3457 D4 3474 G14
3434 E8 3441 A4 3447 F9 3452 C4 3458 E4 3480 I5
6 7 8 9
FOR SCART VERSION ONLY
1
+5VVID
4.9V
4408
CVBS_DVD 3416
2.4V 7411
# 5405
BC847B
POWER AMP. 100R
2u2
STATUS
ON
MUTE
STANDBY
-5VVID
# 4402 # 4403
+5VVID +5VVID
4.9V 4.9V
4406
7406
7405
3431 3434
Y_G_Y # BC847B
BC847B 5404
B_OUT
100R 100R
2.4V
2.4V 2u2
-5VVID -5VVID
4411
4415
Y_G_Y #
5408
+5V
2u2
Y
SSSS2
1187
V
C
4412
4416
C_B_Pb #
5409
2u2
+5VVID
4.9V
-5VVID
4.9V
#
4409
CVBS_DVD
# 5406
2u2
6 7 8 9
9-7
4400 H2 4405 E6 4410 I10 4415 F8 5402 G3 5407 E10
4401 G3 4406 E8 4411 F9 4416 H8 5403 E6 5408 F9
4402 E6 4407 E10 4412 G9 4420 C10 5404 E8 5409 H9
4403 E9 4408 D8 4413 B13 4428 H13 5405 D8 6402 A13
4404 E11 4409 I9 4414 B13 5401 G3 5406 I9 6403 A13
10 11 12
SCART 1
For -/22 only
2414 3402
TV_IN_R
1u0 470R LO_R 3400
470R
3401
LO_L
2415 470R
3404
TV_IN_L
1u0 470R
3430
B_OUT
PIN 8:
75R
0_6_12
0 - 2V : TV BCAST
4.5 - 7V : 16 : 9 DVD
9.5-12V : 4: 3 DVD
3433
G_OUT
75R
3436
4420
R_OUT
3414 3413 75R
DVD_ON
33R 47R
BC847B
@ 7431
VID_RGB
3415
75R
4404
+5VVID
4.9V
4407
# 3437 # 7407 G_OUT
3426
R_Pr BC847B
# 5407
G_OUT R_OUT
100R
68R
2u2 2.4V
B_OUT
3427
68R
R_OUT 3428 &
68R
-5VVID
& 0R For Non-Scart version
+5VVID
YUV/
4.9V
3447 PROG SCAN
2.4V
7423
BC847B
100R
68R
Y
3424
-5VVID
3425
+5VVID
68R
C
4.9V
2410 2409
3449 220p 220p
2.4V 7421
BC847B
100R
-5VVID
+5VVID
#
3420
#
7410
BC847B
100R
CVBS
# 3418
75R
-5VVID
4410
10 11 12
6404 A13 6409 D13 7410 I10 7451 D4
6405 B13 7402 A4 7411 D9 7452 E4
6406 B13 7405 E7 7421 H10
6407 B13 7406 E9 7423 F10
6408 C13 7407 E11 7431 D11
13 14
A
1186
6402
1
6403
2 BZX284-C15
6404
3
BZX284-C15
4 BZX284-C15 4413 #
5 4414 V
6405
6
A_LO
B
6406
7 BZX284-C15
6407
8 BZX284-C15
9 BZX284-C15
V 10
6408
11
12 BZX284-C15
13
C
V 14
PIN 16:
15
0 - 0.4V : CVBS
16
1 - 3.0V : EXT RGB
17
18
6409
V 19
20
BZX284-C15
D
21
-5V
V
1184
YKC21-4423
E
1
2
3
4
F
V
+5V
1183-A
LAP5100-1301G
1
V
2
6
G
3
S_Video_DET
4
S-VIDEO
L=S-Video inserted
#
H
V
I
AV circuit 3139 118 35003 sheet 4 dd wk304
13 14