Philips MX1050D/22 Service Manual page 19

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COMPONENTS LAYOUT
AC B2 C16 A3 C23 B4 C30 C4 C4
C1 B3 C17 B3 C24 A2 C33 B4 C40
C10 A5 C18 A3 C25 A2 C34 B4 C41
C11 B4 C19 B3 C26 A2 C35 B2 C5
C12 B4 C2 A4 C27 A2 C36 A2 C6
C13 A3 C20 A3 C28 A5 C37 C1 C7
C14 A3 C21 A3 C29 A5 C38 C5 C8
C15 A3 C22 A4 C3 A2 C39 C2 C9
Replace by wire
Replace by wire
5-2
A2 CBL1 A3 D5 A5 F5 B2
B4 CBL2 A2 DB1 C3 J1 C2
B4 CBL21 A4 DB2 A1 J2 C2
B2 CBL3 A5 DB4 C4 J3 C5 wire line
B2 CON4 POWER AMP BD F1 C2 J4 A4 wire line
B5 D1 B4 F2 C4 JC6 B1
B5 D3 A4 F3 A1 JC7 B1
A5 D4 C3 F4 A1 L1 B3
4
3
1
9
Pin No.
B
C
E
L2 A4 R1 B3 R17 B3 R8 C5 U5 A3
L3 B3 R10 C4 R2 B4 R9 C4 U6 A2
L4 B4 R11 C4 R20 C1 RLY1 B1 U7 A2
Q1 A2 R12 B5 R3 B4 T1 ___ U8 A4
Q2 C4 R13 C1 R4 B4 T2 C3 W1 C5
Q3 B4 R14 B2 R5 B4 U1 A5 W10 B2
Q4 C4 R15 B4 R6 B4 U3 A4 W11 A2
Q5 B4 R16 B4 R7 C4 U4 A3 W12 A2
Q1 Q2 Q3 Q4 Q5
16,2V 0,7V 0,7V 7,9V 8,66V
16,8V 64mV 74mV 8,7V 8,8V
16,8V 2mV 0V 8.7V 9,22V
5-2
W2 C5
W3 B5
W4 B5
W5 A4
W6 B4
W7 B3
W8 A3
AC voltages across transformer winding:
Pin No.
5 - 7
8 - 10
11 - 13
Pin No.
PQ3RD13
1 5,71V
2 3,31V
3
4 9,18V
5
Pin No. U1 U4
NJM7805FA NJM7805FA NJM7812
IN 6,9V 9,02V
GND 0V 0V
OUT 5V 5V 12,23V
Measurement in DVD playing Mode (5,1 Channel Disc)
It`s Free
T1 Pin No. T2
8,9V 4 - 6
27V 7 - 9
54V
U3 U8
PQ12CG3032F
9,4V
6,1V
0V 0V
12,6V
9,10V
U5 U6 U7
NJM7812 NJM7912
18V 17,7V -19V
0V 0V 0V
12V -12,3V