Philips DVD757VR /00, Руководство по обслуживанию

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Servo/System Control Block Diagram
BLOCK DIAGRAMS
1-10-1 1-10-2 H9520BLS
" " = SMD
NOTE FOR WIRE CONNECTORS:
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.)
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.
M
LOADING
MOTOR
CYLINDER ASSEMBLY CAPSTAN MOTOR
DRUM
MOTOR
PG
SENSOR
CONTROL
HEAD
CL287
5 5 CTL(+)
6 6 CTL(-)
CL504
ACE HEAD ASSEMBLY
MAIN CBA
KEY- 1
POWER-LED
DVD-LED
VCR-LED
ST-S
T-REEL
REMOTE-VIDEO
CTL(+)
RESET
PG-DELAY
CTL(-)
D-V-SYNC
D-REC-H
DAVN-L
RF-SW
H-A-SW
C-ROTA
END-S
14
94
95
10
4
80
34
2
13
15
18
33
20
16
7
(DECK ASSEMBLY)
T-REEL
Q515
RESET
Q506
S-REEL 79
SW-POINT
AL+5V
VR501
TIMER+5V S-REEL
PS502
TP502
KEY- 2
8
IIC-BUS SDA
IIC-BUS SDA
IIC-BUS SCL
A-MUTE-H
IIC-BUS SDA
IIC-BUS SCL
Hi-Fi-H-SW
A-MODE
OUTPUT SELECT
A-MUTE-H
Hi-Fi-H-SW
A-MODE
H-A-COMP
17
V-ENV
6
P-ON-H
C-POW
-SW
P-ON-H
C-POW-SW
P-DOWN-L
67
66
86 P-DOWN-L
P-OFF-H
73 P-OFF-H
OUTPUT-SELECT
TO
VIDEO BLOCK
TO
Hi-Fi AUDIO
BLOCK
TO
AUDIO BLOCK
2 2 KEY-1
CL505
CN503
CL591
AL+5V
FUNCTION CBA
2 2 KEY-1
4 4 POWER-LED
5 5 VCR-LED
6 6 DVD-LED
CN651
FRONT CBA
SDA
SCL
IC502 (MEMORY)
72
32
19
83
IIC-BUS SCL
D-V-SYNC
D-REC-H
DAVN-L
RF-SW
H-A-SW
C-ROTA
INPUT-SELECT
41 INPUT-SELECT
IIC-BUS SDA
H-A-COMP
V-ENV
58
C-SYNC
C-SYNC
OUTPUT-SELECT
IIC-BUS SCL 71
LD-SW
REMOTE-VIDEO
9 AL+5V
SW507
LD-SW
AL+5V
D555
S-LED
TO
POWER
SUPPLY
BLOCK
TP501
Q507
Q508
Q509
S-INH
M
CAPSTAN
MOTOR
IC501
(SERVO/SYSTEM CONTROL)
LINE-MUTE
LINE-MUTE
82
5
6
SENSOR CBA
SENSOR CBA
END-S
ST-S
Q504
Q503
END-S
CTL 97
FF/REW-L
84
Q510
TP503
CTL
74
23
29
30
POWER
D652
VCR
D653
DVD
D651
SW591
REC/OTR
SW501
PLAY
SW603
POWER
TO DVD SYSTEM
CONTROL BLOCK
<DVD SECTION>
KEY SWITCH
CL502
C-FG
C-CONT
D-PFG
C-F/R
90
76
87
78
LM-FWD/REV 81
D-CONT 77
AL+20.5V/+12V
AL+12V(2)
P-ON+15V
P-ON+5V
1 AL+20.5V/+12V
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
M
DRV-DATA
DRV-STB
DRV-CLK 68
69
70
DVD-POWER
DRV-DATA
DRV-STB
DRV-CLK
DVD-POWER
21
DVD-PLAY 28
DVD-PLAY
FIL-ON/OFF
FIL-ON/OFF
24
65 TRICK-H
61
SECAM-H
TRICK-H
SECAM-H
Comparison Chart of
Models & Marks
Model Mark
DVD757VR/00
DVD757VR/05
DVD757VR/02 A
B
C
C
REC-SAF-SW 31
SW506
AL+5V
REC-SAFETY
FTV-IN
TU-VIDEO
FROM
VIDEO
BLOCK
V-IN1
Q771,
Q772
AND
IC771
(COMPARATOR)
9
14
13
8
11
10
2 64
4
5
P-ON+5V
P-ON+5V
FTV-IN
TU-VIDEO
FROM
VIDEO
BLOCK
V-IN1
Q775,
Q776
LOGIC
IC775
(COMPARATOR)
9
14
13
8
11
10
2 64
4
5
P-ON+5V
P-ON+5V