Philips DVDR3545V/37, Service Manual

Page: 34 / 127

1-12-4
E9H90BLV
Video Block Diagram
MAIN CB
A
REC VIDEO SIGNAL
PB VIDEO SIGNAL
OSD CHARACTER MIX
47
49
IC1501
(OSD)
LUMINANCE
SIGNAL PROCESS
VIDEO (R)-1 HEAD
VIDEO (L)-1 HEAD
(DECK ASSEMBLY)
CN1253
1 2 3 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
IC1301 (VIDEO SIGNAL PROCESS/ HEAD AMP)
26
57
28
QV/QH
6dB
AMP
TO SYSTEM CONTROL BLOCK DIAGRAM
TO VIDEO INPUT SELECT BLOCK DIAGRAM TO VIDEO OUTPUT SELECT BLOCK DIAGRAM
VCR-VIDEO DVD-VIDEO(DUB)
VCR DVD
TO 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
Q1301
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
PB/EE-VIDEO VCR-VIDEO(DUB)
TO VIDEO INPUT SELECT BLOCK DIAGRAM TO VIDEO OUTPUT SELECT BLOCK DIAGRAM
(VCR DVD DUBBING)
(DVD VCR DUBBING)
WF2
WF3
VIDEO(R)-1 VIDEO-COM VIDEO(L)-1 VIDEO(L)-2 VIDEO-COM VIDEO(R)-2
“
“ = 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.