Diagrams; Block Diagram - Sony Trinitron KV-TG21M61 Service Manual

5-1. BLOCK DIAGRAM

IC2201
IF DEMODULATOR
Q1201, 1203
VIF 10 SF2101 IF AMP
28 DET VIF 11
27 1ST SIF 1ST SIF IN 15 SF2102
Q2301
BUFFER
IC2601
IC2401
+5V +5V REG +9V
MULTISYSTEM
STEREO DECODER
Q2302, 2303
SWITCH
2 ANA IN2+ SCL 12
SDA 13
X1201
18.432MHz
XTAL DACM
5 26
IN R
XTAL DACM
6 27
OUT L
A3 (STEREO DECODER)
IC5801
TEXT DECODER
50 SDA R OUT 34
49 SCL
GREEN
G OUT 33
37 V-SYNC
Q801, 815
BUFFER 36 H-SYNC B OUT 32
Q5801
23 INT CVBS BLK 35
BUFFER
Q5803
Q5801
RESET 43 RESET
X IN X OUT
IC5802
41 42
+5V +5V REG +13V
X801
12MHz
V2 (TELE TEXT) (KV-TG21M61 ONLY)
KV-TG21M61/TG21M90
SECTION 5

DIAGRAMS

A POWER SUPPLY, DEFLECTION, AUDIO
AND VIDEO PROCESSING,
AUDIO/VIDEO INPUT/OUTPUT,
MICROCOMPUTER
Q1201, 1202
VIDEO
VIDEO
BUFFER
VIDEO
IN 1 L (MONO)
(FRONT)
R IC1210
(1/2)
6
7
5
VIDEO
IC1210
VIDEO
(2/2)
IN 1 L (MONO)
3
(REAR)
1
2
R
CN301
L
6
IF
2
Q101
BUFFER
Q103, 104
FILTER
TU100
CN2101
Q102
IF
2
IF IF BUFFER SWF100
AGC TU U/V L/H
IC001 SYSTEM CONTROLLER
59 L/H MUTE 11
60 U/V
Q105
R 51
VC AMP 38 VC G 50
Q106
CN2102
S B 49
4
SDA VC FILTER Q100
3
BUFFER
IICLK1 55
41 KEY1 IIDAT1 53
R 40 KEY2
CH + CH -
1
S901 S902
HSYNC 47
IC002 +5V REG
HSYNC 25
L
6 +9V
VOL + VOL -
OUT 5 +5V
M-SW
S903 S904
8 1 IN
RESET 4 36 RESET
TV/VIDEO SEL
S905 S906
CN302
R 35 EXTAL SIRCS 26
1
X101
M-SW
6
SDA 34 XTAL
3 +5V
D901
SCL
4 TIMER Q902
LED
3 TIMER D/K 2
DRIVE
CN5801 CN001 I 3
Q903
R
RED M 4
1
1
LED RESP/
G
6 B/G 1
2 DRIVE NICAM
B
3
NICAM
BLK
4 ST/BY
2
SDA
6 54 IIDAT0 BRT ABL 42
SCL
7 56 IICLK0 VPULSE 17
BLUE VSYNC 48
3
12 BLK HDSW 27
BLK
4
SDA CN002
6
SCL VP
7 2
VP
2
HP HP
3 3
CVBS VIDEO
6 6
CN5803
– 25 –
KV-TG21M61/TG21M90
RM-952 RM-952
Q405
J1201
BUFFER VIDEO
Q404
MONITOR
BUFFER L (MONO)
OUT
Q403
BUFFER R
Q402 Q401
R MUTE L MUTE
8
6
J251
7 L L OUT 27 11 L IN L OUT 5 HEADPHONE
9 R MUTE 8
IC203
IC201
TONE CONT AUDIO OUT
3 TVL R OUT 26 12 R IN R OUT 3
CN251
TVR SDA SCL
22 21
2
SP L
SP R
CN300
R
3
G
2
B
1
IK
5
+9V
Q306, 308
Q304
DK SW
CT365,CF365
SYNC
FILTER
Q307, 310
Q300
I SW
CT360,CF360
IC301
Q315
Y/C JUNGLE SYNC
FILTER
Q311, 313
G BUFFER
17 CVBS IN R 21
Q303
M SW
55 DEEMP G 20 CT345,CF345
IC003 MEMORY
48 IF IN B 19
SYNC
FILTER
49 IF IN IK 18 Q309, 312
6 CLK
54 AGC
5 DAT B/G SW
Q305
IF OUT 6
CT355,CF355
Q301, 303 SYNC
41 SSCP/FBT
FILTER
SYNC
FILTER
CVBS IN INT 13
SIF IN 1
+5V
BY 30
IC004 IR DET
R-Y 29
Q319
1 2
X358
3.58MHz
CVBS OUT 38 BUFFER
34 3.58
IC401
TV SYSTEM SELECTOR
X443
4.43MHz
35 4.43/3.58
HOR OUT 40
EAST/WEST 45
VERT POS 46
VERT NEG 47
23 R
24 G
25 B
26 BLK
B-Y 31
R-Y 32
7 SCL
8 SDA ABL 22 D1505
EHTX-RAY 50
Q561
D591 D561
X RAY
CV (RGB AMPLIFIER)
Q712 Q706
R DRIVE R AMP
Q709
RV701
IK LIMIT
G2
J701
Q711 Q705
10
G DRIVE G AMP 9 3
8
6
Q708
H2
IK LIMIT
Q710 Q704
B DRIVE B AMP
Q707
IK LIMIT
+9V
CN703
R
3
G
2
B
1
IK
5
IC604
S600
+9V
D601 T600
REG
T601
17 2
+18V
F601
16 3
IC601 REG SW
15 4
+11V
9
14 5
OVP
13 8
+B 1
11
7
DRIVE LATCH
8
2
OSC 6
7
T503 FBT
PH600 PHOTO COUPLER
2 5
3 4
IC602 ERROR AMP
4 6
11
1 1 2 2 1
+135V
7
–13V
9
+15V
10
Q004 D804, D851
H PROT DUMPER
T801
Q800 Q801
H DRIVE H OUT
FV
IC850, IC851
S801
PIN CONT
H SENT
Q802 L802
13
3 1 PIN OUT
IC551
V OUT
1
+135V
HV 5
7
– 26 –
V901
PICTURE TUBE
CN701
1000V
1
200V
2
H1
4
CN1602
F1601
1
AC IN
2
T1602 T1601
F (Cispr)
(KV-TG21M90 ONLY)
CN601
1
AC IN
2
CN851
200V
2
1000V
1
H1
4
DY1
H+ H+
1
H+ H–
2
HDY
H–
3
H– VDY
4
V+
V– V–
5
DY ASS'Y
V+
6
4