Philips DVP620VR/78, Руководство по обслуживанию

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1-11-1
BLOCK DIAGRAMS <VCR SECTION>
Servo / System Control Block Diagram
H9622BLS
M
M
LOADING MOTOR
SENSOR CBA SENSOR CBA
CAPSTAN MOTOR
CONTR
OL
HEAD
CL504
CN502
CN504
AC HEAD ASSEMBLY
MAIN CBA
KEY- 2
RF-SW
C-FG C-CONT D-PFG ST-S T-REEL
C-F/R
KEY- 1
D-V SYNC
C-SYNC
V-ENV
DISPLAY-ENA CTL(+) RESET
C-ROTA
D-REC-H
D-REC-H
REC- SAF-SW
PG-DELAY
A-MUTE-H
A-MUTE-H A-MUTE-H
RF-SW
D-V SYNC
C-SYNC
V-ENV
C-ROTA
END-S
IC501 (SERVO/SYSTEM CONTROL)
9
47 56
CTL
58
CTL(-)
57 28 49 69 62
3
20 27 65
18 78 64 19 41
2
24
7
66 67
LM-FWD/REV
21
D-CONT
29
(DECK ASSEMBLY)
END-S
T-REEL T-REEL
ST-S
ST-S
Q504 Q503
Q501
RESET
Q506
SW-POINT
AL+5V
VR501
TIMER+5V
TP506
TP505
END-S TP507
P-ON-L
22
P-ON-L
P-DOWN-L
1
P-DOWN-L
H-A-SW
79
H-A-SW
H-A-COMP
80
H-A-COMP
46
OUTPUT SELECT
YCA-SCL
YCA-SDA
YCA-CS
YCA-SCL
14
YCA-SDA
15
YCA-CS
16
YCA-SCL
YCA-SDA
YCA-CS
SW511
REC SW
TO VIDEO BLOCK DIAGRAM TO AUDIO BLOCK DIAGRAM TO Hi-Fi AUDIO BLOCK DIAGRAM
CLOCK DATA
TU701(TUNER UNIT)
11 12
VCR/TV
5
DVD-H IND
71
D567
D
V
D
D566
VCR
D561 PO
WER
AL+5V
Q566 Q567
LD-SW
68
AL+12V(1)
AL+5V
DVD-L IND
70
AL+5V
SW512
AL+18V
P-ON+5V
LD-SW
AL+5V
D555 S-LED
TO POWER SUPPLY BLOCK DIAGRAM
IIC-BUS SCL
IIC-BUS SDA
12 13
IIC-BUS SCL
77
VCR/TV
IIC-BUS SDA
NORMAL-L
ST/SAP-MODE
61 59
Hi-Fi-H-SW
Hi-Fi/NOR-IN
ST/SAP-IN
Hi-Fi-H-SW
25
KEY SWITCH KEY SWITCH
TP502
P-ON+9V
S-INH
CAPSTAN MOTOR
5
CTL(+)
6
CTL(-)
1
AL+12V(1)
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
12
AL+18V
TP513
CTL
OUTPUT-SELECT OUTPUT-SELECT
DVD-POWER
DVD-POWER
26
TO DVD SYSTEM CONTROL BLOCK DIAGRAM <DVD SECTION>
DISPLAY-ENA
DISPLAY-DATA
8
DISPLAY-DATA
DISPLAY-CLK
6
DISPLAY-CLK
REMOTE-VIDEO
5
REMOTE-VIDEO
CN509
2
KEY-1
2
CN508
POWER SW CBA
INSEL 2
45
INSEL 2
SW518 PO
WER
1
1
POWER-LED
" " = SMD
TEST POINT INFORMA
TION
:INDICA
TES A
TEST POINT
WITH A JUMPER
WIRE A
C
R
OSS A HOLE IN
THE PCB
.
:USED
T
O
INDICA
TE A
TEST POINT
WITH A COMPONENT LEAD ON FOIL SIDE.
:USED
T
O
INDICA
TE A
TEST POINT
WITH NO
TEST PIN.
:USED
T
O
INDICA
TE A
TEST POINT
WITH A
TEST PIN.
CYLINDER ASSEMBLY
DRUM MOTOR
PG SENSOR
M