Philips DVDR600VR/37, Service Manual

Page: 50 / 204

1-11-3
Video Block Diagram
E9480BLV
MAIN CB
A
REC VIDEO SIGNAL
PB VIDEO SIGNAL MODE: SP/REC
OSD CHARACTER MIX
38
40
IC228
(OSD)
LUMINANCE
SIGNAL PROCESS
VIDEO (R)-1 HEAD
VIDEO (L)-1 HEAD
(DECK ASSEMBLY)
V(R)-1
V-COM
V(L)-1
CN217
1 2 3
V(L)-2
V-COM
V(R)-2
4 5 6
VIDEO
AGC
RP
R P
SYNC SEPA
FBC
Y/C
MIX
CCD 1H
DELAY
R P
YNR/COMB FILTER
CHROMINANCE
SIGNAL PROCESS
IC227 (VIDEO SIGNAL PROCESS/ HEAD AMP)
26
57
QV/QH
6dB
AMP
TO SERVO/SYSTEM CONTROL BLOCK DIAGRAM
VCR-REC-VIDEO
TO SERVO/SYSTEM CONTROL BLOCK DIAGRAM
CYLINDER ASSEMBLY
RF-SW
RF-SW
59
V-ENV H-A-SW H-A-COMP
H-A-COMP
TP302
VIDEO (L)-2 HEAD
VIDEO (R)-2 HEAD
TP301
C-PB
D-V SYNC C-SYNC
D-V SYNC
25 53 24
YCA-SCL
14
36
37
39
34
Q232
BUFFER
30
58 60
SP EP
54
YCA-SDA
55
YCA-CS
SERIAL
I/F
VCA
CLAMP
69 70
SP HEAD AMP EP HEAD AMP
72 73 74 65 66 67
ENV-DET
C-ROTA
C-ROTA/RF-SW
WF2
WF3
VCR-PB-VIDEO
TO VIDEO INPUT/OUTPUT SELECT BLOCK DIAGRAM
" " = SMD
TEST POINT INFORMA
TION
:INDICA
TES A
TEST POINT
WITH A JUMPER
WIRE A
CR
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.