Philips AZ3300 Service Manual page 16

8 - 1
COMBI BOARD - CIRCUIR DIAGRAM (PART 1)
T1
TRANSFORMER
XP3
TJC-5-2.5mm
AC2
1
1 2
SW1
2 3
SW2
4
BATTERY-
POWER SOCKET
5
IN4003
XA3 D3
TJC-5-2.5mm
1
2
3
4
5
D7
IN4003
XA2
BATTERY+
1
C13
BATTERY+ 2200u/16V
KEY6
1
KEY5
2
KEY4
3
KEY3
4
KEY2
5
KEY1
6
7
8
ph8
XA7
XA16
XA17
ph4
ph4
IN4003
BATT
D4
C2 C3
22n 22n D5
SK1217
1 2
+
D8 C5
C6 IN4003 C7 2200u/16V
22n 22n
R16
470E
+
D17
BAS216
R30
22E
POWER_KEY1
POWER_KEY
R178 D4
560E 0E
POWER
C53 R33
100u 4K7
C6 BZX79-B3V3
+
100P
S1
1 2 1
VOL UP
S5 S6
1 2 1 2 1
PRESET- VOL DOWN
R45 100E
R46 100E
R48 100E
R49 100E
R52 100E
R53 100E
DOOR_SW
R3 R4
22K/OPTIONAL 100E/OPTIONAL
D2
SK1217
AC_POWER
1 2
8V
+8V_AMP1
3 2
BC369-25/OPTIONAL
Q1
R7 0E/NF
Q2 D6
BC369-25 SK1217 5V_REMOTE
U2
3 2 1 2
SA57022-50D
R9
100K
7 1
VI VO
+
2
NC
6 3
SUB GND
C14
5 4
ON BP
470u
C18
R17 470p
470E
+
C27 D10
47u BAS216
R21
22E
D20 R84
BAS216 560E
Q8
1 2 1
BC817-40
C30
470n
J78
470E
1 2
D5
D14 BAS216
S2 S3 S4
2 1 2 1 2
PLAY/PAUSE DBB
NEXT
S7 S8 S9
2 1 2 1 2
PREVIOUS
PRESET+ STOP
8 - 1
D1
BAS216/OPTIONAL
1 2
/CD_ON
5V6
R8
0E 3V3_CPU 3V3_LCD 3V3_CD
Q4
Q3 PBSS5140T
BC368
2 3
FOR 3V3
R10 R11 C8 C16
220E 330E 470n 470u
R12 R13
22K
100E
Q5
BC817-40
1
R18
100E
C15
100u R22 D12
1k BAS216
D11
+
BZX79-B2V4
Q25
BC817-40
1
D19
BAS216
2 1
Q22
BC807 R45 1K
3 2
3V3_CPU
C42
+
47u
R185
STDBY
C42
+
22u C40 10K
100P
3V3_CDA
C17
100n
+
R171
CD_ON
C137 4K7
100n