Block Diagram 3Cdc-Lc; Vcd Version - Philips FW-V720 Service Manual

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BLOCK DIAGRAM 3CDC-LC

CD MECHANISM
VAM2201
DISC
TURNTABLE
MOTOR
FOCUS
MOTOR
RADIAL
MOTOR
SLEDGE
MOTOR
TURNTABLE
MOTOR
LASER &
MONITOR
DIODE
PHOTO
DIODES
D4
D1 D5
D2 D3
INNER SWITCH
CAROUSEL
MOTOR
TRAY
MOTOR
10-5

VCD Version

MAINBOARD
M63000 7803
FOCB+
19
FOCB-
RADB+
15
RADB-
SLEDGEB+
34
SLEDGEB-
TTM- 3
TTM+
+5V +3,3V
2 13 7801
1
LD
7
11
CD R/W
4
MON
Laser Control
&
HF AMPLIFIER
5
D2-D4
TZA1024 (TZA1025)
10
6,14
D1-D5
SWITCH INFO
1883
Open if carrousel is in a valid Play-Position.
1882
Closed if carrousel is in Position 1.
CD POS.1 SWITCH
1880
Closed if the tray is in one endposition.
Open during movement.
TRAY SWITCH
1881
Open if the drive is in one endposition.
Closed during movement.
CD DRIVE UP/DOWN SWITCH
7814
LA6531
7802
RCK
SUB
55
SBSY
FO
SFSY
CL11
54
RA
29
SCLK
IIS_SCLK
28
WCLK
IIS_WCLK
27
DATA
CD_IIS_DATA
SIGNAL PROCESSOR
56
CD10
SL
SAA7327
59
MOT1
38
RESET
64 42
SILD
LD ON
61 40
V4 SCL
41
RAB
39
SDA
2
HF IN
D1
D2
VCC
D3
5,17,21,52,57
D4
V1 DOBM
R1,R2
63 51
7873
2
7
DATA
3
SHR_CL
6
16
SHIFT VDD
REGISTER
4
HEF4094BT
15
EN1
V
5
VDD (pin 16)
EN1 (pin 15)
t
12
D5
11
D3
10
D2
9
D0
Published in Heiloo, Holland.
10-5
7816
13
EXCK
DQSY
SBSO
12
SCOR SRDT
WFCK
11
SCLK
MCK
CD Text
LC89170M
7
5
3
20
21
22
13
12
10
11
9
+3,3V
5800
EBU OUT
+10V
18
5V1
17
16
7815
+5V
+3,3V
+4V
6801
+5V
+10V
1/3/16
1805
3
DQSY
4
CD Text
SRDT
2
µP_CLK
1802
IIS_SCLK
IIS_WCLK
CD_IIS_DATA
EXTERNAL DAC
CD RIGHT
CD LEFT
1805
18
CD LEFT
17
CD RIGHT
1802
RESET
SILD
SICL
Communication
µP ↔ Signal Processor
RAB
SDA
1805
7
COAX2
Digital Audio
8
COAX1
13
SWITCH INFO
12
Changer
SHR-DATA
Control Logic
11
SHR_CL
1802
DSA_ACK
DSA_STB
DSA_DATA
1805
12
DSA_ACK
10
DSA_STB
13
DSA_DATA
1805
16
+5V
14 Supply
+10V
Blockdiagram 3CDC-LC(Herman) 2000-06-05 VCD Version