Philips AZ3300 Service Manual page 17

COMBI BOARD - CIRCUIT DIAGRAM (PART 2)
3V3_CD
R23 2K7
3V3_CD
R35
10E
R187 560E
STATUS
SCL
SDA
R186
560E
CD-RST
C31 C93 C94 C32
100P 100P 100P 100P
R50 27K
C37 1n5
CD_LCH
R54 27K
CD_RCH
C46 1n5
C60 C59
1n5 1n5
R55
47K
8 - 2
3V3_CD
MOTOR1
R171
120K
OPTIONAL/NOT FIT
SL
FO
RA
1V8
Q7
BC817-40 3V3_CD
3 2
R24
C19 C20 10E
C21 47u 100n
+
100n R27
10K
R31 R32
10K 10K R189
220E
3V3_CD
VB
60
SBSY
59
SFSY
58
SUB
57
RCK
R39 100E
56
STATUS
55
SILD
R40 10K
54
RAB
53
SCL
52
SDA
U3
51
RESET
SAA7824HL
50
CLK12
49
CLK16
48
SCLK
47
WCLK
46
DATA
45
EF
44
SCLI
43
WCLI
42
SDI
41
VDDD
C33
100n
C38 0.1uF
2 1
C39 0.1uF
2 1
R56
47K
C47 C48
3n3 100u
R1 R2
3K3 C1 0E
100n
*
R5 R6
5K1 5K1
C4
100n
R14 R15
3K9 6K8
R19 R20
3K9 8K2
+8V
C11 C12
* * *
2n2 2n2
R28 J29
VB 470E 47uH
R29
C22 470E C24
+
100n 100n
C23
47u C25
+
1000u
DOOR_SW
C26
HOME_SW
100n
3V3_CDA
R34
0E
1
LPWR
2
EXTF
3
MONITOR
4
SENSE
5
VSSA1
6
IREF
7
VDDA1
8
VRFO
9
D1
10
D2
11
D3
12
D4
13
R1
14
R2
15
CEQ
3V3_CDA
16 R43 10E
VDDA2
17
VSSA2
18
OSCO
19
OSCIN
20
VSSA3
3V3_CDA
R51
22E
XT1
8.4672MHz
1 2
+ + +
C49 C50 C51 C52 C56 C57 R57 C58
3n3 100u 100n 100n 100u 47n 24K 22n
8 - 2
XA1
ph6
SLE-
1
SLE+
2
MOT-
3
MOT+
4
HOME_SW
HOME_SW
5
6
15 14
OPIN- OPOUT
16 13
OPIN+ GND2
5V6
17 12
DO3.1 DO2.2
18 11
DO3.2 DO2.1
19 10
DI3.1 DI2.2
20 9
DI3.2 DI2.1
21 8
VCC1 GND1
Q6
D9 BC369-25/NF
BAS216/NF
22 7 2
VCC2 MUTE
23 6 2 1
VREF REO
24 5
DI4.1 REG
25 4
DI4.2 DI1.2
+
26 3
DO4.1 DI1.1
27 2
DO4.2 DO1.2
C9 C10
28 1
GND3 DO1.1
47u/NF 100n/NF
U1
MM1469PH
NOT FIT
R26
100E
MOT-MUTE
C2
100P
3V3_CDA
R36
0E
JST 16FMN-STK-A
VREF
16
VCC
15
E
14
D
13
A
12
B
11
C
10
F
9
8
LD
R42 4E7
7
6
R44 0E MD
5
FOC+
4
RAD+
3
RAD-
2
FOC-
1
+ +
C34 C35 C36 C54 R47
100n 100u 100n 47u 91E
+8V
3
XA6