Philips DVD740VR/051 Service Manual page 29

Servo/System Control Block Diagram
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.
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.)
" " = SMD
(DECK ASSEMBLY)
AC 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
MAIN CBA
TIMER+5V
SW507
LD-SW
TO DVD SYSTEM
CONTROL BLOCK
<DVD SECTION>
AL+5V
TP502
END-S
Q506 PS502
T-REEL S-REEL
AL+5V
D555
S-LED
VR501
SW-POINT
CL502
12 C-F/R
M
11 AL+15V/+12V
10 AL+12V(1)
9 P-ON+5V
8 GND
7 C-FG
6 C-CONT
5 GND
4 D-FG
3 LM-FWD/REV
2 D-CONT
1 D-PG
TO
POWER
SUPPLY
BLOCK
1-10-1
BLOCK DIAGRAMS <VCR Section>
IC501
(SERVO/SYSTEM CONTROL)
KEY- 2
POWER LED 23
24
CAS LED
TIMER LED 25
Q515
RESET 34 RESET
KEY- 1
REMOTE1
14 REMOCON-IN
9 LD-SW
95 CTL(+)
94 CTL(-)
10 ST-S
4 END-S
80 T-REEL
79 S-REEL
26
REC LED
TP503
DVD LED 29
CTL
Q510
VCR LED 30
97 CTL
84 FF/REW-L
AL+5V
2 PG-DELAY
A-MUTE-H 83
AL+5V 31 REC-SAF-SW
SW506
Hi-Fi-H-SW 19
REC-SAFETY
A-MODE 61
78 C-F/R
AL+15V/+12V
AL+12V(1)
IIC-BUS SDA 72
P-ON+5V IIC-BUS SCL 71
DAVN-L 20
87 C-FG D-REC-H 65
76 C-CONT RF-SW 18
C-ROTA 15
D-V SYNC 13
89 D-FG
81 LM-FWD/REV H-A-SW 16
77 D-CONT H-A-COMP 17
90 D-PG V-ENV
OUTPUT SELECT 74
C-POW-SW
66 C-POW-SW
P-ON-H
67 P-ON-H
P-DOWN-L
86 P-DOWN-L
CN505 CN651
8 2 KEY-2 2
Q507
6 POWER-LED 6
Q501
4 CAS-LED 4
Q502
5 TIMER-LED 5
KEY
7
SWITCH
TP501
SENS-INH
AL+5V
REC
Q511 D508
DVD
Q508 D506
VCR
Q509 D507
OUTPUT SELECT
6
OUTPUT SELECT
1-10-2
FRONT JACK CBA
KEY SWITCH
AL+5V
POWER
D651
CAS
D653
TIMER
D652
STAND-BY
D654
IC502 (MEMORY)
5 SDA
6 SCL
IIC-BUS SDA
IIC-BUS SCL TO
AUDIO BLOCK
A-MUTE-H
IIC-BUS SDA
IIC-BUS SCL
TO
Hi-Fi-H-SW
Hi-Fi AUDIO
A-MODE
BLOCK
IIC-BUS SDA
IIC-BUS SCL
DAVN-L
D-REC-H
RF-SW
C-ROTA
TO
VIDEO BLOCK
D-V SYNC
H-A-SW
H-A-COMP
V-ENV
H9330BLS