Philips MCW770 Service Manual page 32

1 2
Wessli Module
Circuit Diagram 5
A
not used
+12V Supply
+12V_LED
4502
1500
F501
1
B
F500
2 5504 1501
F508
B2B-EH-A 600R / 0805
500mA T
GND
C
F514
POWER_ON
from 1305
L = OFF
H = ON
+1V8
D
5509 5510
10u 600R / 0603
GND GND
5515
600R / 0603
E
+3V3
5511 5512
600R / 0603
10u
F
GND GND
+3V3_A
not used
3524 3525
47R
47R
G
GND GND_DAC GND_DAC
1 2
8-6
3 4 5
3512
1R0
3513
1R0
3515
1R0
3521
1R0
3522
F509 1R0
F507 not used
5505
F510
220u / LHL08
F511
not used
2502
GND GND
220n
2503
470n
3
1 7504
PDTC124EU
2
+1V8_SAA
GND
+3V3_EBI
GND GND GND GND
+3V3_SAA
GND GND
GND GND GND
+3V3_DAC
GND_DAC GND_DAC
3 4 5
6 7 8
F502
7505
MC34063AD
SWC 1
8 DCOL
S Q
R
7 IS
SWE 2
IPK
TIMC 3
OSC
REFERENCE
6
VCC REGULATOR
5 CIN_NEG GND 4
F516
+1V8_SAA
7100-6
POWER
R1 R2
VSSA1 VDDA1
+3V3_SAA
N1 N2
VSSA3 VDDA3
M1 M2
VSSA4 VDDA4
+3V3_EBI
K4 J4
VSSE3V3 VDDE3V3
F17 K14
VSSE-EBI1 VDDE-EBI1
L14 E17
VSSE-EBI2 VDDE-EBI2
L3 L4
VSSIS1 VDDI1
G3 G4 +3V3_DAC
VSSI2 VDDI2
E3 E4
VSSI3 VDDI3
N14
DAC-VDD
L2
GND VREFP0
M3
VREFP1
SAA7752EL-N103
part 6 of 7
6 7 8
8-6
9 10
+3V3_A
5507 5508 5506
F503 F504 F505
30R / 0805 220u / LHL08 22u / LHL08
GND GND GND
GND
GND
+3V3
7506
LK112M18
4503 5 4
IN OUT
1 3
SHDN BP
COM
2
GND GND GND GND
9 10
11 1500 B1
1501 B2
2502 C4
2503 C4
2504 C5
2505 B8
2506 D2
2507 D3
2509 D3
2510 D3
2511 D4
2512 B10
A
2513 B11
2514 F2
2515 F3
2516 F3
2517 F3
2518 E3
2519 D9
2520 D11
+3V3
2522 G3
2523 E3
2524 D2
2525 A5
F506
2526 A6
2527 B5
B
2528 B6
2529 D10
2530 D10
2531 G3
2532 B10
2533 B11
2534 G2
GND GND
2535 G2
2536 G3
2537 F2
3509 B3
3510 C2
3511 C3
C 3512 A5
3513 A5
3515 A5
3516 B9
3517 B10
+1V8
3518 C9
3521 B5
3522 B5
F515
3524 G1
3525 G2
4502 B2
4503 D9
5504 B2
5505 B4
D
5506 B10
5507 B9
5508 B9
5509 D1
5510 D2
GND 5511 E1
5512 E2
5515 E2
6501 C4
6502 B9
7100-6 D6
7502 C4
7504 C3
7505 A7
E
7506 C10
F500 B1
F501 B1
F502 A6
F503 B8
F504 B9
F505 B10
F506 B11
F507 B5
F508 B3
F509 B3
F510 B4
F511 C3
F
F514 C2
F515 D11
F516 C7
G
11