Block Diagrams; H A - Sony TRINITRON PVM-8042Q Service Manual

SECTION 9

BLOCK DIAGRAMS

Q (1/2)
A (INPUT SIGNAL SELECTOR)
IC401
VIDEO SW
VIDEO(A) VIDEO BUFF
IN 3
Q401
LINE A
OUT
VIDEO
VIDEO(B) VIDEO BUFF
IN 1
Q402
LINE B
OUT
Y Y BUFF
5
Q404
Y/C IN
Y/C OUT
C
C BUFF
Q405
R BUFF R BUFF
R/R-Y IN
Q406 Q1406
G BUFF G BUFF
G/Y IN
Q407 Q1405
B BUFF B BUFF
B/B-Y IN
Q409 Q1404
S401
COMPONENT LEVEL COMPONENT
LEVEL SHIFT
Q1403
+12V
COMPONENT
LEVEL SHIFT
Q1401
EVEL SHIFT
Q1407
S BUFF
IN
Q410
EXT SYNC
IC402
OUT
AUDIO SW
AUDIO BUFF
IN 3
Q412
LINE A
OUT
AUDIO BUFF
AUDIO IN 1
Q413
LINE B
OUT
A RGB BUFF
RGB 5
Q414
RGB/LINE SW
Q424
RGB SW
Q421,422
U/S SW
8 7 6
Q423
SYNC SW
TALLY 5 4 3
Q418
16:9(B ONLY)
2 1
SW
Q419
DELAY SW
Q417
TALLY SW
Q411
S MIC Chassis
VIDEO/Y
Y BUFF
7
Q403
4
C
Y/C SW
Q408
2
IC403
AUDIO OUT
7 2 IN OUT 8
4
4
2
RV401
V HOLD
Q (1/2) Q (1/2), X, H
A A A
CN401
13 Y/COMPSITE
1 Y/C-H
2 Y/C-C-OUT.B ONLY
A
5 R/R-Y
TO
7 G/G-Y
B BOARD
9 B/B-Y
CN101
3 SYNC
10 VOL
8 RGB/LINE
6 RGB/COMPONENT
15 EXT SYNC
14 HV DL
4 TALLY
S001 LINE
S002 A/B
S003 DELAY
S004 UN COL
S005 U/S
S006 INT SYNC
RV001 VOL
RV003 PHASE
RV004 CHROMA
RV005 BRT
RV006 APT
CN402
RV007 R BIAS
1 SP
SPEAKER
RV008 G BIAS
RV009 B BIAS
RV010 R GAIN
RV011 G GAIN
RV012 B GAIN
CN404
S007 DEGAUSS
3 V.HOLD
S008 16:9/4:3
1 U/S
B
TO
D BOARD
5 4:3/16:9
CN504
9-1 9-1
+12V
D21-23
TALLY
X
(TALLY LAMP)
+12V
+12V
RV002
PIC
PICTURE BUFFER
Q001
+12V
D001
POWER
+12V
IC001
U/S PICTURE SHIFT
2
4
1
+12V
H
A (USER CONTROL,WHITE BALANCE)
CN21
1 TALLY C
TO
B BOARD
CN108
CN001
1 NOR/UNDER
2 NOR/UN COLOR
3 NOR/DELAY
4 LINE/RGB
H
TO
B BOARD
5 APERTURE
CN107
6 BRT
7 CHROMA
8 PHASE
9 CONTRAST
10 VOL
11 POWER-LED
CN002
3 NOR/EXT
4 A/B
5 R BIAS
6 G BIAS
G
7 B BIAS
TO
8 G GAIN
B BOARD
9 B GAIN
CN106
10 R GAIN
TO
CN003 D BOARD
1 16:9 I CN600
TO
4 COM J
PA BOARD
CN808