Read Sony KV-G21MW3 Service Manual online
– 30 –
– 31 –
– 32 –
– 29 –
KV-G21MW3/G21QW3
RM-869
KV-G21MW3/G21QW3
RM-869
KV-G21MW3/G21QW3
RM-869
KV-G21MW3/G21QW3
RM-869
A
1
2
3
4
5
6
7
8
9
10
11
12
13
B
C
D
E
F
G
H
I
J
[SYSTEM CONTROLLER, Y/C JUNGLE, DEFLECTION,
TUVIF, FRONT AMP, POWER SUPPLY]
TUVIF, FRONT AMP, POWER SUPPLY]
– A Board –
A
PRINTED WIRING BOARD
A BOARD
IC
IC001
D-11
IC002
E-10
IC003
E-10
IC004
I-13
IC005
E-10
IC100
E-7
IC102
E-7
IC201
B-7
IC203
B-10
IC300
B-4
IC351
D-8
IC354
D-7
IC401
B-7
IC521
E-8
IC551
J-6
IC601
J-8
IC602
H-7
IC603
H-7
IC801
G-6
IC1210 A-2
IC1211 B-3
IC1211 B-3
Q001
F-7
Q002
C-10
Q030
C-12
Q031
C-8
Q108
D-2
Q109
E-12
Q110
E-3
Q201
B-10
Q202
C-9
Q207
B-10
Q208
B-10
Q209
B-9
Q210
B-9
Q212
B-11
Q300
C-10
Q301
C-7
Q302
D-7
Q303
D-7
Q401
D-2
Q402
D-4
Q403
E-4
Q404
E-4
Q405
C-6
Q406
B-7
Q407
B-6
Q408
C-7
Q409
C-6
Q410
B-6
Q411
C-6
Q412
C-5
Q413
B-5
Q414
C-5
Q415
B-5
Q416
B-5
Q417
B-6
Q418
B-5
Q561
I-6
Q601
G-11
Q801
D-2
Q802
F-1
TRANSISTOR
Q821
E-6
Q902
D-10
Q903
D-11
Q1201
A-3
Q1202
A-3
Q1203
A-2
Q1204
B-2
Q1205
B-3
Q1206
A-2
Q1207
A-2
Q1208
B-2
Q1209
C-4
Q1264
C-1
Q1265
C-1
Q1513
G-6
DIODE
D001
D-9
D002
C-12
D003
C-10
D004
E-12
D005
E-8
D006
H-13
D007
E-10
D008
H-13
D101
C-9
D102
C-9
D103
D-1
D200
A-10
D201
B-9
D202
C-9
D251
B-8
D252
F-11
D253
C-9
D300
D-4
D301
D-8
D302
C-8
D304
C-8
D305
D-7
D306
E-6
D307
D-5
D308
C-10
D309
D-6
D310
D-9
D311
D-9
D312
C-5
D315
E-5
D351
E-8
D399
E-5
D401
E-4
D402
C-5
D403
C-9
D513
G-6
D551
J-5
D561
G-5
D562
F-6
D581
H-5
D582
I-5
D591
I-5
D600
F-9
D601
H-12
D602
G-11
D603
G-11
D604
G-7
D605
G-8
D606
G-8
D607
I-8
D609
J-9
D610
H-8
D611
I-7
D613
E-9
D614
E-10
D615
E-10
D801
F-2
D802
F-2
D803
D-9
D820
G-6
D821
G-7
D851
I-4
D852
H-4
D853
J-3
D855
J-4
D857
F-3
D858
F-4
D860
E-2
D901
H-13
D1201
A-2
D1202
B-1
D1203
B-2
D1204
A-2
D1205
C-1
D1206
C-2
D1207
B-2
D1208
B-2
D1209
B-3
D1504
G-6
D1505
G-6
5.0Vp-p
2.7Vp-p
PAL/SECAM
NTSC
PAL/SECAM
2.9Vp-p (H)
NTSC
PAL/SECAM
NTSC
2.3Vp-p (H)
2.7Vp-p (H)
NTSC
SECAM
PAL
2.4Vp-p (H)
2.2Vp-p (H)
2.2Vp-p (H)
PAL
SECAM
NTSC
0.9Vp-p (H)
1.3Vp-p (H)
1.0Vp-p (H)
1.5Vp-p (V)
1030Vp-p
149Vp-p
PAL
0.7Vp-p (H)
PAL
NTSC
SECAM
0.5Vp-p (H)
1.3Vp-p (H)
0.7Vp-p (H)
SECAM
NTSC
PAL/SECAM
0.6Vp-p (H)
1.0Vp-p (H)
SECAM :
PAL : 1.4Vp-p (H)
1.3Vp-p (H)
SECAM
PAL
NTSC
1.5Vp-p (H)
1.2Vp-p (H)
NTSC
SECAM
PAL
1.3Vp-p (H)
0.7Vp-p (H)
0.7Vp-p (H)
PAL
SECAM
NTSC
1.0Vp-p (H)
0.6Vp-p (H)
0.5Vp-p (H)
1
2
3
3
3
4
4
4
5
5
6
6
7
7
8
8
9
9
10
11
10
11
10
11
12
12
12
13
13
13
14
15
16
1.1Vp-p (H)
2.5Vp-p (H)
2.8Vp-p (H)
2.6Vp-p (H)
PAL :
SECAM :
SECAM :
PAL : 2.7Vp-p (H)
2.9Vp-p (H)
6
1.0Vp-p (H)
NTSC
A BOARD WAVEFORMS
SIGNAL
CLAMPING
LINE
MEMORY
SAMPLE-
AND-
HOLD
LP
±
(R-Y)
16
11
±
(R-Y)
±
(B-Y)
12
14
±
(B-Y)
LP
HOLD
AND-
SAMPLE-
MEMORY
LINE
CLAMPING
SIGNAL
pre-amplifiers
addition
stages
output
buffers
colour-difference
output signals
SANDCASTLE
DETECTOR
DETECTOR
PHASE
FREQUENCY
9
analog supply
5
colour-difference
input signals
V
P1
sandcastle
pulse input
pulse input
DIVIDER
BY 192
LP
5MHz
CCO
DIVIDER
BY 2
1
digital supply
10
GND1
3
4, 8
GND2
2
n.c.
n.c.
6
n.c.
13
n.c.
15
3MHz shifting clock
7
i.c.
TDA4665
P2
V
AGC FOR IF
· TUNER
54
53
TUNER
T.D.P.
· DEMODULATOR
VIF AMPLIFIER
49
48
AFC · S/H
VIDEO AMPL.
POL
VIDEO IDENT
IDENT
AFC
POL
VIDEO MUTE
MUTE
SW
CVBS-SWITCH
13
17
SOUND
TRAP
6
SVHS-SWITCH
SW
10
Chr
CVBS
Y
11
S-VHS
38
CVBS OUT
TRAP
BAND-
PASS
PAL / NTSC
DECODER
4.4
3.6
36
35
34
SECAM REF
.
33
16
HUE
FILTER
TUNING
30 29
R-Y
B-Y
REF
DELAY ·
PEAKING
G-Y MATRIX ·
SAT. CONTROL
R-Y
B-Y
32 31
TDA 4661
SAT
OUT
IN
Y
28
27
· OUTPUT
RGB-MATRIX
26
BL
25
B
24
G
· SWITCH
R
23
RGB-INPUT
21
20
19
R
G
B
22
BEAM DUPR.
BACK-
STABILISER
CONTR
BRI
WHITE P
.
BL. CURRENT
CURRENT
18
VERTICAL
GEOMETRY
51
52
46
47
V-OUT POS.
V-OUT NEG.
EW-
GEOMETRY
45
50
EW-DRIVE
EHT
H/V DIVIDER
SYNC SEP.
· 1st LOOP
SEPARATOR
VERT. SYNC
VCO ·
CONTROL
· HOR. OUT
2nd LOOP
42
41
39
40
HOR. DRIVE
BV
44 14
9
5
12 37
12C-BUS
TRANSCEIVER
7
8
SCL
SDA
CONTROL DAC 's
17 x 6-BIT 's
2 x 4-BIT 's
IF-IN
4
3
REF
VOLUME
SWITCH
AUDIO
PRE-AMPL
FILTER
SIF-IN
1
15
2
55 56
OUTPUT
SOUND
EXT AUDIO IN
IC300 TDA46657-T
IC351 TDA8375A
NO TE:
The circuit indicated at left contains high voltage of over
600 Vp-p. Please pay attention when inspecting or repair-
ing it to prevent an electric shock.
The circuit indicated at left contains high voltage of over
600 Vp-p. Please pay attention when inspecting or repair-
ing it to prevent an electric shock.
Click on the first or last page to see other KV-G21MW3 service manuals if exist.