Toshiba DVR610 Service Manual - Page 45
Video Input Select Block Diagram
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Video Input Select Block Diagram NOTE: BOARD MEANS PRINTED CIRCUIT BOARD. BOARD MAIN REC VIDEO SIGNAL TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM VIDEO-Y/CVBS VIDEO-C CN701 CN2201 20 VIDEO-Y/CVBS-IN 20 22 VIDEO-C-IN 22 Q2305 BUFFER IC2805 (INPUT SELECT) 19 BUFFER LPF Y1 13 MUTE TO VIDEO BLOCK VCR-VIDEO 20 BUFFER + DIAGRAM VIDEO1 8 VIDEO2 10 PB/EE 12 MUTE (VCR DVD DUBBING) VCR-VIDEO(DUB) TO VIDEO BLOCK DIAGRAM YC G G JK2401 S-VIDEO IN1 REAR JK2804 VIDEO - IN1 VIDEO-IN1 TO VIDEO OUTPUT SELECT BLOCK DIAGRAM DVD MAIN BOARD Q2304 BUFFER 21 BUFFER LPF CONTROL LOGIC C1 2 MUTE 22 23 24 VIDEO-SW1 VIDEO-SW2 VIDEO-SW3 TO SYSTEM CONTROL BLOCK DIAGRAM 1-12-5 CN2609 CN1231 1 VIDEO-IN2 1 JK1231 VIDEO-IN2 BOARD FRONT JACK E9KGABLVIS
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1-12-5
E9KGABLVIS
Video Input Select Block Diagram
NOTE: BOARD MEANS PRINTED CIRCUIT BOARD.
TO DIGITAL
SIGNAL
PROCESS
BLOCK
DIAGRAM
REC VIDEO SIGNAL
BOARD MAIN
1
1
VIDEO-IN2
(INPUT SELECT)
IC2805
JK2401
S-VIDEO
IN1
Y1
VIDEO1
VIDEO2
PB/EE
MUTE
MUTE
MUTE
C1
VIDEO - IN1
REAR
JK2804
VIDEO-IN2
JK1231
13
19
2
12
10
8
21
CN2609
CN1231
22
23
24
VIDEO-SW2
TO SYSTEM CONTROL
BLOCK DIAGRAM
VIDEO-SW3
BOARD FRONT JACK
CONTROL
LOGIC
BUFFER
BUFFER
BUFFER
LPF
LPF
DVD MAIN BOARD
CN701
20
20
VIDEO-Y/CVBS-IN
22
22
VIDEO-C-IN
CN2201
VCR-VIDEO
TO VIDEO
BLOCK
DIAGRAM
Q2304
BUFFER
Q2305
BUFFER
VCR-VIDEO(DUB)
TO VIDEO
BLOCK DIAGRAM
VIDEO-SW1
(VCR
DVD DUBBING)
20
+
VIDEO-Y/CVBS
VIDEO-C
G
G
Y
C
TO VIDEO OUTPUT SELECT
BLOCK DIAGRAM
VIDEO-IN1