Block Diagrams - Philips DVD757VR /00 Service Manual

Servo/System Control Block Diagram
(DECK ASSEMBLY)
ACE HEAD ASSEMBLY
CL287 CL504
CONTROL 5 CTL(+) 5
HEAD
6 CTL(-) 6
Q504
ST-S
SENSOR CBA
Q503
END-S
SENSOR CBA
CYLINDER ASSEMBLY CAPSTAN MOTOR
PG
SENSOR CAPSTAN
MOTOR
DRUM
M
MOTOR
M
LOADING
MOTOR
NOTE FOR WIRE CONNECTORS:
" " = SMD
1. PREFIX SYMBOL "CN" MEANS CONNECTOR.
(CAN DISCONNECT AND RECONNECT.)
2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER
HOLES OF THE PCB.
(WIRE IS SOLDERED DIRECTLY.)
MAIN CBA
AL+5V
SW507
LD-SW
D555
S-LED
AL+5V
TP502
Q506 PS502
END-S
T-REEL S-REEL TIMER+5V
P-ON+5V
IC775
(COMPARATOR)
TU-VIDEO
9
14
FROM
8
VIDEO
BLOCK
V-IN1
11
13
10
TO DVD SYSTEM
CONTROL BLOCK
<DVD SECTION>
CL502
1 AL+20.5V/+12V
M
2 P-ON+5V
3 C-FG
4 C-F/R
5 C-CONT
6 GND
7 LM-FWD/REV
8 D-CONT
9 D-PFG
10 GND
11 AL+12V(2)
12 P-ON+15V
TO
POWER
SUPPLY
BLOCK
1-10-1

BLOCK DIAGRAMS

TEST POINT INFORMATION
:INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB.
:USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE.
:USED TO INDICATE A TEST POINT WITH NO TEST PIN.
:USED TO INDICATE A TEST POINT WITH A TEST PIN.
IC501
(SERVO/SYSTEM CONTROL)
AL+5V
KEY- 2
KEY- 1
VR501
2 PG-DELAY
SW-POINT
9 LD-SW
95 CTL(+)
94 CTL(-) POWER-LED
10 ST-S
4 END-S VCR-LED
80 T-REEL
DVD-LED
79 S-REEL
Q515
RESET 34 RESET
CTL
FF/REW-L
P-ON+5V
Q775,
Q776
REC-SAF-SW
LOGIC 4
2 64 FTV-IN
5
A-MUTE-H
REMOTE-VIDEO
14 REMOTE-VIDEO
DVD-PLAY
28 DVD-PLAY
DRV-DATA
68 DRV-DATA
DRV-STB
69 DRV-STB Hi-Fi-H-SW
DRV-CLK
A-MODE
70 DRV-CLK
DVD-POWER
21 DVD-POWER
LINE-MUTE
AL+20.5V/+12V
P-ON+5V
INPUT-SELECT
87 C-FG
78 C-F/R
IIC-BUS SDA
76 C-CONT IIC-BUS SCL
DAVN-L
81 LM-FWD/REV
D-REC-H
RF-SW
77 D-CONT
C-ROTA
90 D-PFG
D-V-SYNC
AL+12V(2) H-A-SW
P-ON+15V H-A-COMP
V-ENV
C-POW-SW C-POW
OUTPUT-SELECT
66
-SW
P-ON-H
67 P-ON-H C-SYNC
P-DOWN-L
86 P-DOWN-L
P-OFF-H
TRICK-H
73 P-OFF-H
FIL-ON/OFF SECAM-H
24 FIL-ON/OFF
TP501 S-INH
8 CL505 CL591
7 2 KEY-1 2
SW603 SW501
PLAY REC/OTR
Q507
23
CN503 CN651
2 KEY-1 2
Q509
30 4 POWER-LED 4
5 VCR-LED 5
Q508
29
6 DVD-LED 6
TP503
CTL
Q510
97
84
31 AL+5V
SW506
REC-SAFETY
IIC-BUS SDA
83
IIC-BUS SDA
19
32
OUTPUT SELECT
82
INPUT-SELECT
41
IIC-BUS SDA
72
71
20
33
18
15
13
16
17
6
OUTPUT-SELECT
74
58
65
61
1-10-2
Comparison Chart of
Models & Marks
Model Mark
DVD757VR/00 A
DVD757VR/05 B
DVD757VR/02 C
FUNCTION CBA
SW591
POWER
FRONT CBA
AL+5V
KEY SWITCH
POWER
D651
VCR
D652
DVD
D653
IC502 (MEMORY)
5 SDA
6 SCL
IIC-BUS SCL TO
AUDIO BLOCK
A-MUTE-H
IIC-BUS SCL
Hi-Fi-H-SW TO
Hi-Fi AUDIO
A-MODE
BLOCK
LINE-MUTE
IIC-BUS SCL
DAVN-L
D-REC-H
RF-SW
C-ROTA
D-V-SYNC TO
VIDEO BLOCK
H-A-SW
H-A-COMP
V-ENV
C-SYNC
TRICK-H
SECAM-H
C
H9520BLS