Sony TRINITRON KV-21FX20A Service Manual page 24

5-1. BLOCK DIAGRAMS
A ( )
POWER SUPPLY, DEFLECTION TUNING,
PROCESSOR, VIDEO SIGNAL PROCESSOR
AV IN/OUT
VIDEO AMP
IC101 VIF/SIF Q408, 409
DEMODULATOR
AF OUT 8
QSS 12
SWF
103
BUFFER SYNC SEP
TU101 16
DET OUT
Q101 Q005, 004
BUFFER SWF 1 VIF
IF1
Q107 101 2
VIF STAND SW RF 3
AGC 22
SWF 23 SIF 17
AFC
102 24
SIF
AGC
14 TU AGC
7
LIL SW
SCL SWITCH
Q006
SDA
SWITCH
Q109,110
FUNCTION
SWITCH
S001 - S006
BUFFER
Q022
CN001
7
AGC
4
SCL SCLI
5
STBY +5V
SDA SDAI
6
CS
IC003 RESET 1
STBY +5V
IC002
1 REMOTE CONTROL 2
RECEIVER
X001
J402
12MHZ
AUDIO L
L
AUDIO R
R
Y/CVBS
VIDEO
25
IC001
MICRO CONTROLLER
8
0-COIN
21 BE/DK/I
4 0-RFAGC BUFFER
0-V BLK 17
9 I-AFT Q012
IC201
AUDIO AMP
5
L IN/IN 2
0- +B DROP 18 9 STBY
R IN/IN 3 1
0-VOL 2 3 VOLUME
L OUT/NC 12
10 AGC MON
2 VAR R/SW
14 AGC DEFEAT R OUT/OUT 14
0-SP MUTE 30 10
MUTE
NC/IN 2 6
15 0-BAND-M
IC301
16 0-BAND-L Y/C JUNGLE
20 0-BAND-L
OSD BLK 35 29 INT BLK
11
I-KEY-SCART
R 34 32 INT R2 IN
47 AVL IN
33 AMPLIFIER 31 INT G2 IN
G
Q007,008, 009
B 32 30 INT B2 IN
0-KEY SCART
6
12 0-SCART 1/2 SDA
SDAO
35
SCL
19 0-LED SCLO 34 SCLO
6
0-WP 7 7
IC004
48 I-PROCDES
NVM SDAO
8 5
MON OUT
MON OUT 6
43 RESET
MON OUT EXT B IN 26
EXT CVBS 24
27
EXT G IN
SWITCH
1 0-ROT/VC 0-XRAY PROT 52
Q011 EXT R IN 28
0-STBY 51
EXT BLK 25
45 I-SIRCS
HP HP Y/CVBS IN 41
36 18
42 X-OUT PROTECT
VP 37 ABL
ABL IN 3
41 X-IN
EW
EW 11
VD+
43 TV/C2 IN VD+ 13
VD-
VD- 14
48 XTAL 1
HD
HD 19
47 XTAL 2
R OUT 22
G OUT 23
2 CI IN
24
B OUT
4 Y1/CVBS IN
21
IK IN
26
CN201
4
R AUDIO
TO SPEAKERS
1
L AUDIO
J201
PH601
ISOLATOR
3 2
S601
POWER
CN601 4 1
1
CN203 LINE FILTER MAIN RECT
SCL 19 2 T601 D601
SCL
RELAY
SDA 20 RY601
SDA
16 CN603
SIF DGC
9
SC2 L OUT 1 CHECK T603
8 SRT
SC2 R OUT
2 DGC CHECK
17
MONO
3
3 TO S1
SC1 R IN CN602 FBO CP 1
BOARD
4 CN1101 4
1 DGC
SC1 L IN 10
5
IC606 D
3 5
SC2 R IN DGC DGC POWER
6 3
SC2 L IN
10
SC1 R OUT 15
11
SC1 L OUT
13 VCC 2 7
16
R AUDIO OUT
14
8
L AUDIO OUT
2 RELAY SWITCH
Q601 13
FRONT L IN
1
FRONT R IN 14
J404
12
11
J401
A6
T602
L AUDIO IN MUTE SW
A2
Q202
L AUDIO IN
A1
2
DET R OUT
B1
MON R OUT
1 5 C IC609
B3 STANDBY
MON L OUT
5 4 4 D POWER
A3
DET L OUT
A19
7 3
DET V OUT
B8 D632
MODE
RECT
A8
MODE
A7
BLUE T531
HDT
A11
GREEN HD
H-DRIVE
A15 Q535
RED
A16
BLK
A20
V IN
B2
AUDIO R IN
B6
AUDIO L IN
B15
C IN
B20
YV IN
CN504
1
RED
2
GREEN TO C BOARD
3
CN703
BLUE
6
IK
27
DY ASSY
VD+ IC501
7 V OUTPUT
IN
CN501
V- DY+ 6 V- DY+
VP
3 BOOST OUT 5
V- DY- V- DY-
+B 5
VD-
1 REF H- DY-
4
H- DY-
3
H- DY+ 2 H- DY-
H- DY+ 1 H- DY+
IC531
PIN CORRECTION
D605
EW
+B RECT 5 -
IC603 PIN OUT
1 2 7
ERROR AMP Q532
6 +
HP
PROTECT
3 +
D634 +B
RECT 1
AUDIO 2 -
VCC
IC604
D610
RECT
1 5VREG 3 +5V
D654
RECT
IC605
60V
1 9VREG 3 +9V
T801
FBT
HV
TO PICTURE
TUBE
LOW B 1
4
+B 3
FV
5
HP D571, 13
IC608
Q571,574
6
12
STBY
5V REG
+5V
ABL
11
D513
10
H-OUT +15V RECT
Q533
9
8
7
D514
-15V RECT
-15V
CN508
5
H1
TO CVM BOARD
CN707
1
200V
28
CN703
R R
6 R DRIVE, BKG R OUT
Q702, 703 Q704
G
5
TO A BOARD
CN504 B
4
G
G DRIVE, BKG G OUT
CUT OFF
1 Q705, 706 Q 707
B
B DRIVE, BKG B OUT
Q708, 709 Q710
CN701
V DY
1
G2
TO A BOARD
H1
CN502 2
+200V
H DY
RCV
RV702
G2
(1000V)
H STAT
RV701 G2
SCREEN
CN1801
ROT - 3
+9V 6 -
7 TO
5 +
ROTATION
ROT + 1 COIL
NS CORRECT 2 +
7 6
3 -
IC1801
ROTATION AMP
TO
A BOARD 135V
CN505
CN1703
VM AMP VM AMP
6 VM VM OUT VM
Q1701, 1702, BUFFER
Q1711, 1712
Q1709, 1710 Q1704, 1705
GND
NECK ASSY
CVM ( )
VELOCITY MODULATION,
DYNAMIC FOCUS, RGB OUT
S1
(STEREO PROCESSOR) IC1101
CN1101 STEREO DECODER
SCL 19
4 SCL
XTAI OUT 17
SDA 20
5 SDA
XTAI IN 18
SIF 16
12 SIFI
17
MONO 29 MONO IN
3 SCART 1 OUT R 47
SC1 R IN 33 SCART 1 IN R
TO A BOARD 4 SCART 1 OUT L 48
CN203 SC1 L IN 34 SCART 1 IN L
60
5 MAIN OUT R
SC 2 R IN 36 SCART 2 IN R
61
6 MAIN OUT L
SC 2 L IN 37 SCART 2 IN L
31
9
- 2 52
SC2 L OUT 1
+ 3 32
8 5
+
SC2 R OUT 7
- 6 51
IC1102
1
FRONT R IN
2
FRONT L IN
10
SC1 R OUT
11
SC1 L OUT
13
SP OUT R
14
SP OUT L
29
PICTURE TUBE
H
R
G G
C
2 4
V
H
V
TO A BOARD
T801 (FBT)
VM