Video Section - Onkyo HT-R820THX Service Manual

A
SCHEMATIC DIAGRAMS-6

VIDEO SECTION

NAVD-8236
1
U07 COMPONENT VIDEO TERMINAL PC BOARD
CR(PR)
CB(PB)
DVD IN
COMPONENT VIDEO
2
CR(PR)
VIDEO 1/2/3 IN
CB(PB)
3
NAETC-8243
U14
TERMINAL
PC BOARD
4
NAETC-8234
U05
VIDEO 3 TERMINAL
PC BOARD
5
B
P241
Y
P241
Y
P243B
P243A
TO NADG-8230
R251 75
R253 75
P253B
TO NAVD-8250
RL242
RL241
D241
C241
103Z
R249
1K Q241
2SC1740
NC
P242A
TO NAVD-8250
P206A
P801B
<Notes>
VIDEO3 IN
NC=No moune of pares.
S V L R
NOTE
P251
THE COMPONENTS IDENTIFIED BY MARK
REPLACE ONLY WITH PART NUMBER SPECIFIED
VOLTAGE (MEASURED WITH VOLTMETER)
R252
75
C261 ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
C262
471J
471J
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
C263
C253
104Z ELECTROLYTIC CAPACITORS (
104Z
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF
P254
E301
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
P261B
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX)
TO NADG-8230
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
IS DC VOLTAGE, AT NO INPUT SIGNAL.
HT-R820THX
C
COMPONENT VIDEO
P241
CR(PR)
OUT
CB(PB)
Y
ARE CRITICAL FOR SAFETY
IS DC VOLTAGE.(NO INPUT SIGNAL)
) ARE IN u F/WV.
PRINTING SIDE
D