Philips FW-V28 Service Manual page 55

10-7
BLOCK DIAGRAM
CD MECHANISM VAM1201 SERVO PCB
DISC
7810
TDA7073A
TURNTABLE FOC+
MOTOR 27
FOCUS FO
MOTOR FOC-
RAD+
26
RADIAL
RA
MOTOR RAD-
7800
TDA7073A
SLE+
28
SLEDGE
SL
MOTOR SLE-
SERVO-DECODER
CD7
MOT+
33 MOT1
TURNTABLE
SAA7372
MOTOR MOT-
34
MOT2
LASER
SUPPLY
7820
16 7 64
LDON
TDA1300
PHOTO
DIODES D1
D2
O1-O6
I1-I6 D3
D4
D1 D5 D4
D2 D3 R1
R2
HFIN
SDA
SCL
RAB
SILD
62
HOMESW RESET
INNER SWITCH
P1-1
P1-2
P1-3
P1-4
1851
P1-5
CDM_UP 18
P2-0
CDM SWITCH
1853
TRAY 20
P2-2
OPEN/CLOSE SWITCH
1852 CPU
DISC_1 19
P2-1
OM5284EB02
CARROUSEL SWITCH
DGND
7480
TDA7073A
8
P3-2
CARROUSEL
MOTOR
9
P3-3
5
P3-0
TRAY MOTOR
7
P3-1
7860
1805
5
+9V
1,2
+5V
3,4
DGND
48 10
SCLK
46 11
WCLK
45 12
DATA
14
16MHz *
13,15
VDDA1 2, 19
DGND
+5V
VDDA2
15P-FLEX
VDD1P
30, 47, 59
VDD2P
+5V
VDD3C
7850
8,4672MHz
4 DRST 6
RST
DSA_ACK 7
11
P3-5
DSA_DATA
12 8
P3-6
13 DSA_STB 9
P3-7
38
+5V
Vcc
* Provision only
10-7
WIRING DIAGRAM
1 = +5V
2 = +5V
3 = GND
4 = GND
5 = +9V
6 = DRST
7 = DSA_ACK
8 = DSA_DATA
9 = DSA_STB
10 = 12S_SCLK
11 = WCLK
12 = DATA
13 = GND
14 = 16M *
15 = GND *
1805
1806
CONNECTOR PCB
FLEX - FOIL
MODULE INTERFACE 2
1 1806
CONNECTOR BOARD
7 1 6
1807
1 = DSA_STB
1 = GND *
2 = DSA_DATA
2 = 16M *
3 = DSA_ACK
3 = GND
4 = DRST
4 = DATA
5 = +9V
5 = WCLK
6 = GND
6 = 12S_SCLK
7 = +5V
CD - SERVO BOARD
1800
1 = RAD-
2 = FOCUS -
3 = FOCUS +
4 = RAD +
5 = LASER (AGND!)
6 = LASER!
7 = DIODE ARRAY (common substrate!)
8 = D1
9 = D2
10 = D3
11 = D5
1805 12 = D4
* Provision only
FLEX
15
1
1808
SLEDGE
CD Drive
MOTOR
1 BLACK
2 ORANGE
INNER SWITCH
DISC MOTO R
10-7
1801
1 = SLIDE MOTOR -
2 = SLIDE MOTOR +
3 = DISC MOTOR -
4 = DISC MOTOR +
5 = INNER SWITCH
6 = INNER SWITCH
PCS 100 746