Block Diagrams - Philips VR109/55 Service Manual

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Servo/System Control Block Diagram
NOTE FOR WIRE CONNECTORS: TEST POINT INFORMATION
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
CN287
CONTROL
HEAD
CYLINDER ASSEMBLY
DRUM
M
MOTOR
PG
SENSOR
LOADING MOTOR ASSEMBLY
LOADING
M
MOTOR
CAPSTAN MOTOR
CAPSTAN
M
MOTOR
: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.
MAIN CBA
(1/3)
IC503
CN504
5 CTL(+) 8
10 +
8
-
6 CTL(-) 9 9
IC611 (DRUM /LOADING MOTOR DRIVE)
CN502
1 D-U 1 16
DRUM
2 D-V 2 17
MOTOR
3 D-W 3 18
DRIVE
4 D-COM 4 19
5 GND 5
6 PG(+) 6 4
+
-
7 PG(-) 7 5
6
15
DRIVE
13
TP506
ST-S
CN504
LD-M(+) 1
LD-M(-) 2
Q504
ST-S
CN503
C-F/R 1
P-ON+5V 2 P-ON+5V
AL+12V 3 AL+12V
C-FG 4
NU 5
C-DRIVE 6
FG-GND 7
CM-GND 8
1-10-1
06/28/2012

BLOCK DIAGRAMS

AL+5V IC501
(SERVO/SYSTEM CONTROL)
RS501
D551 REMOTE
85 REMOCON
SENSOR
S-LED
2 REC-CTL(+)
3 REC-CTL(-)
+
13
14 37 PB-CTL
-
12
TP303 SW507
AL+5V
CTL LD-SW
26 LD-SW
AL+5V
IC503 (2/3)
2 1 51 D-CONT
3
8
44 D-FG
+
7 38 D-PG
-
LOADING
12 49 LM-REV
MOTOR
11 48 LM-FWD
CONTROL
IC503 (3/3)
7 5 50 C-CONT
TP507 TP505
END-S T-REEL
25 ST-S
24 END-S
34 T-REEL
Q503 PS501
END-S T-REEL
Q505
TIMER+5V RESET 40 RESET
10 C-F/R
45 C-FG
5 C-DRIVE
AL+5V
VR501
SW-POINT
PG-DELAY
32
/TEST
TP502
S-INH
CN505 CN651
KEY
KEY-1 31 4 KEY-1 4
SWITCH
2 KEY-2 2
KEY-2 27
TP501
GND
D510 STANDBY
AL+5V
D511 POWER
P-ON+12V
D514 REC
REC LED 62
D512 CASS
CAS. LED 64
D513 TIMER
TIMER LED 63
TIMER LED 73
IC505
6 SCL
5 SDA
TU701
5 SCL
BUS SCL-2 9 11 SCL
12 SDA
BUS SDA-2 8
3 SDA
A-MUTE-H
A-MUTE-H 1
D-REC-H
D-REC-H 19
BUS SCL
BUS SDA
OSD-CLK
OSD-CLK 81
OSD-DATA
OSD-DATA 80
OSD-CS-L
OSD-CS-L 79
BUS SCL
BUS SCL 92
BUS SDA
BUS SDA 91
Q508 Q506 C-SYNC
C-SYNC 36
D-V SYNC
D-V SYNC 17
V-ENV
V-ENV 23
ROTA
12
RF-SW
RF-SW 13
BUS SDA
BUS SCL
DEC-L
DEC-L 83
1-10-2
World of Free Manuals
FUNCTION CBA
KEY SWITCH
KEY SWITCH
(MEMORY)
TO AUDIO
BLOCK
TO VIDEO
BLOCK
ROTA
TO JACK
BLOCK
H67T0BLS