Block Diagrams - Philips VR730/02 Service Manual

Servo/System Control Block Diagram
Comparison Chart of
Models & Marks
Model Mark Model Mark
VR730/02 L VR732/02 P
VR730/07 M VR732/16 Q
VR730/16 N VR732/39 R
VR730/39 O
SW510 POWER CL509
1 KEY-1
POWER SW CBA
(DECK ASSEMBLY)
CL287
CONTROL 5 CTL(+)
HEAD
6 CTL(-)
AC HEAD ASSEMBLY
Q504
ST-S
SENSOR CBA
Q505
END-S
SENSOR CBA
CYLINDER ASSEMBLY
PG
SENSOR
DRUM M
MOTOR
M
LOADING
MOTOR
1-9-11

BLOCK DIAGRAMS

NOTE FOR WIRE CONNECTORS:
1. PREFIX SYMBOL "CN" MEANS CONNECTOR.
(CAN DISCONNECT AND RECONNECT.)
2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER
" " = SMD
HOLES OF THE PCB.
(WIRE IS SOLDERED DIRECTLY.)
MAIN CBA
CL508
SW507
1
LD-SW
CL504 AL+5V
5
6
TP506
END-S
Q503 PS503
T-REEL S-REEL
P-ON+5V
IC771
(COMPARATOR)
TU-VIDEO
9
14
TO
8
VIDEO
BLOCK
V-IN1
11
13
10
VR501
SW-POINT
CAPSTAN MOTOR
CL502
12 C-F/R
CAPSTAN
M
11 AL+15V/+12V
MOTOR
10 AL+12V
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
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)
TP501
AL+5V
CTL
Q502
97 CTL
D502
S-LED 84 FF/REW-L
RS501
REMOTE
14 REMOCON-IN
SENSOR
DRV-DATA
9 LD-SW
DRV-STB
95 CTL(+)
DRV-CLK
94 CTL(-)
10 ST-S
4 END-S
80 T-REEL
79 S-REEL
Q501
TIMER+5V RESET 34 RESET
P-ON+5V
Q771,
Q772
AND 4
2 64 FTV-IN
5
AL+5V
2 PG-DELAY
AL+5V 31 REC-SAF-SW
A-MUTE-H
SW506
REC-SAFETY
78 C-F/R
Hi-Fi-H-SW
AL+15V/+12V
AL+12V
P-ON+5V
I2C-BUS SDA
I2C-BUS SCL
87 C-FG
76 C-CONT D-REC-H
89 D-FG
81 LM-FWD/REV D-V SYNC
77 D-CONT
90 D-PG
C-POW-SW
H-A-COMP
66 C-POW-SW
P-ON-H
67 P-ON-H
SECAM-H
P-DOWN-L
86 P-DOWN-L
TRICK-H
O,R
TP507
S-INH
CL506 CN651
KEY
1 KEY-2 1
KEY- 1 7
SWITCH
3 KEY-1 3
KEY- 2 8
SW505
CH-UP
FP562
IC561
LED CLOCK
(FIP DRIVER)
23
68 28 DRV-DATA G1
22
69 2 DRV-STB G2
21
70 1 DRV-CLK G3
G4 20
S1 7
S2 8
S7 13
S8 14
TU701(TUNER UNIT)
S9 16
3 SDA
S10 17
12 SDA
5 SCL
11 SCL
IC503 (MEMORY)
5 SDA
6 SCL
I2C-BUS SDA
I2C-BUS SCL
A-MUTE-H
83
I2C-BUS SDA
I2C-BUS SCL
Hi-Fi-H-SW
19
A-MODE
A-MODE 61
I2C-BUS SDA
72
I2C-BUS SCL
71
DAVN-L
DAVN-L 20
D-REC-H
65
RF-SW
RF-SW 18
C-ROTA
C-ROTA
15
D-V SYNC
13
V-ENV
V-ENV 6
C-SYNC
C-SYNC 58
H-A-SW
H-A-SW 16
H-A-COMP
17
SECAM-H
32
TRICK-H
33
1-9-12
FUNCTION CBA
KEY SWITCH
KEY SWITCH
TO
AUDIO BLOCK
TO
Hi-Fi AUDIO
BLOCK
TO
VIDEO BLOCK
HC470BLS