DOWNLOAD Sony KV-HG21M50 (serv.man4) Service Manual ↓ Size: 6.63 MB | Pages: 67 in PDF or view online for FREE

Model
KV-HG21M50 (serv.man4)
Pages
67
Size
6.63 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-hg21m50-sm4.pdf
Date

Sony KV-HG21M50 (serv.man4) Service Manual ▷ View online

KV-HG21M50,M80,M80/H,M91/L,P50
   RM-GA002
– 35 –
Item No.
Function
Illustration
GEOM 013
Vertical Shift
(VPOS)
GEOM 011
Vertical Amplitude
(VSIZ)
Note: Adjust VSIZ to
12.4±(SPCB)
11.3±(PAL Monoscope)
11.5±(NTSC Monoscope)
GEOM 000
Horizontal Shift
(HPOS)
GEOM 009
EW Trapezoid
(EWTZ)
GEOM 005
EW Width (EW)
(HSIZ)
Note: Adjust HSIZ to
16.4±(SPCB)
14.6±(PAL Monoscope)
15.3±(NTSC Monoscope)
GEOM 002
Horizontal Bow
(HBOW)
GEOM 006
EW Parabola/Width
(EWPW)
(PW)
GEOM 007
EW Upper Corner
(UCOP)
Parabola
GEOM 008
EW Lower Corner
(LCOP)
Parabola
GEOM 001
Horizontal
(HPAR)
Parallelogram
GEOM 012
S-Correction(SC)
(SCOR)
GEOM 003
Vertical Linearity
(VLIN)
GEOM 004
Vertical Scroll
(VSCR)
4-4.
GEOMETRY ADJUSTMENT
Geometry adjustment must be done for both color systems
PAL and NTSC.
4-4-1. GENERAL SETTING
a) Input Monoscope or Special Color Bar(SPCB) signal
using a pattern generator.
b) Set to Service Mode.
c) Select Category/Functionally Name (as in the service
list) using 1 and 4 button on the remote commander.
Eg. GEOM
d) Raise or Lower the data value using 3 and 6 button.
e) Press [MUTING] 
t - to save the data into memory.
Note 1: Geometry Adjustment must be performed for 4 different
modes: PAL 50Hz NORMAL MODE, PAL 50Hz WIDE
MODE, NTSC 60Hz NORMAL MODE, NTSC 60Hz
WIDE MODE.
4-4-2.  PAL 50Hz NORMAL MODE
a) Input PAL signal 50Hz in the Service Mode.
b) Set Wide Mode to "OFF".
c) Perform the below adjustments using the "GENERAL
SETTING" sequence (Refer 4-4-1)
d) Once adjustment is done for PAL 50Hz NORMAL
MODE,set Wide mode to "ON", and copy all PAL 50Hz
NORMAL MODE adjusted data to PAL 50Hz WIDE
MODE except VSCR.
e) Now, perform adjustment for NTSC 60Hz NORMAL
MODE.
f)
Set Wide mode to "OFF".
g) Perform adjustment items listed in the above table using
the "GENERAL SETTING sequence (refer 4-4-1).
h) Once adjustment is completed,set Wide mode to "ON"
and copy all NTSC 60Hz NORMAL MODE adjusted data
to NTSC 60Hz WIDE MODE except VSCR.
i)
Upon completing adjustment for all modes,reconfirm
VSIZ and VPOS.
– 36 –
KV
-HG21M50,M80,M80/H,M91/L,P50
RM-GA002
SECTION 5
DIA
GRAMS
5-1.
BLOCK DIA
GRAM
VIF SAW
SIF SAW
MAIN
Power
Supply
RF AMP Tuner
AGCin
12C
TV
L(Mono)
Video
L(Mono)
CV/YC
L(Mono)
R
CV/YC
L(Mono)
R
R
R
G/Y
B/P
B
R/P
R
L
R
Fbl(RGBin)
24.576MHz
DVD/RGB
AV3
AV2
AV1
MON OUT
Audio Amp
Buffer
TV 
out
Radio
BPF
Mon
out
AV1
in
AV2
in
CV/YC
L(Mono)
AV3
IN
RGB/
DVD
in
5V
30V
IF
24-5.VIFIN1~2
29~30.SIF1~2
115.DGC RELAY 
114.STBY SW
STBY
3.3V
AC in ~
110-220V
CISPR/
PFC
3.3V
RESET
3.3V
5V
8V
3.3/5V
Relay
8V
AUDIO VCC
HV
DGC
+/-15V
Hout
FBT
L
2ch
Audio Amp
ATT
VAR
NVM
Pin out
H-drive
H-out
Rot. cct
V-out
VM
RGB Amp
feedback
10W
R
10W
L,R
I
HP
mute
EHT, ABL
Hp
1k
EW, Hd
L, R
V+, V-
RGB
+B
On/Off
stdby
Device 12C
12C
SIRCS
Key buttons
PLL
I/O Port
I/O Port
VIF & SIF
POWER
Color
Decoder
YUV
Processor
Jungle
RGB
DAC
Stereo,
DAP
A
D
C
ONE CHIP
Micro
Text
CC & V-chip
11.Xtalout
10.Xtalin
74~76.YUVout
70-72.VUYin
119.KEY
116.DI-JP/MODE1-EU
103.DI-JP/MODE2-EU/
MON SW
-MONO
126.AGC-MUTE
98, 99. SCL1,SDA1
108, 109.  SCL0,SDA0 
102.BINT
122~3.RED~GREEN LED
77.SCART FBL
78~80.RGB3
34,35 InLs,R5 
51.CY/Y4
52.C2
49-50 InL,R4
120.P3.3(S2)
31.AGCout
33.AVL/2SIF 120.S2
44.Intco-IF
43.IFVO
62,63.HPL, R
48.MON-OUT
36,37.OutL, R
111.S1/VC(GA)
85~87
RGBout
84.lk
65.VM
23. VD+
22. VD-
112.ROT CTRL
113.ROT SW
21.EWD
67.Hout
66.AFC 
32.EHTO
83.ABL
60,61
LSL,R
106.AUDIO MUTE
105.AUDIO STANDBY
58.CVB51/Y1
59,C1 
56, 57InL1,InR1
55.CV/Y2
53,54.InL,R2
70 CX
B-INT
LED
+B line
30V
R
LNA cct
– 37 –
KV-HG21M50,M80,M80/H,M91/L,P50
   RM-GA002
5-2.
CIRCUIT BOARDS LOCATION
5-3.
SCHEMATIC DIAGRAM INFORMATION
Note:
All capacitors are in µF unless otherwise noted.
All electrolytic capacitors are rated at 50V unless otherwise
noted.
All resistors are in ohms.
kΩ = 1000Ω, MΩ = 1000kΩ
Indication of resistance which does not have rating
electrical power is as follows.
Pitch: 5 mm
Rating electrical power 1/4W (CHIP: 1/10W)
: nonflammable resistor.
: fusible resistor
¢
: internal component.
: panel designation or adjustment for repair.
All variable and adjustable resistors have characteristic
curve B unless otherwise noted.
Readings are taken with a color-bar signal input.
no mark
: Common
(            )
: PAL
[            ]
: NTSC 3.58
Readings are taken with a 10 M digital multimeter.
Voltage are dc with respect to ground unless otherwise
noted.
Voltage variations may be noted due to normal
production tolerances.
All voltage are in Volt.
: Cannot be measured.
Circled numbers are waveform references.
:  B  +bus.
:  B  –bus.
 
 
k
: signal path.
Note: The reference number which starts with Wxxx
(eg: W003) indicates a wire to wire connection.
Note: Components marked as XX are not fitted on this
model.
Reference information
RESISTOR
: RN
METAL FILM
: RC
SOLID
: FPRD
NONFLAMMABLE CARBON
: FUSE
NONFLAMMABLE FUSIBLE
: RS
NONFLAMMABLE METAL
OXIDE
: RB
NONFLAMMABLE CEMENT
: RW
NONFLAMMABLE
WIREWOUND
ADJUSTMENT RESISTOR
COIL
: LF-8L
MICRO INDUCTOR
CAPACITOR
: TA
TANTALUM
: PS
STYROL
: PP
POLYPROPYLENE
: PT
MYLAR
: MPS
METALIZED POLYESTER
: MPP
METALIZED POLYPROPYLENE
: ALB
BIPOLAR
: ALT
HIGH TEMPERATURE
: ALR
HIGH RIPPLE
Note:
The component identified by shading and
mark 
! are critical for safety. Replace only
with part number specified.
Note: “A” board schematic diagram is divided into 7 blocks.
Each block is named by its function and block
“number”. eg: Processor (Block 001)
Joint connection between boards can be identified
using the block number followed by the grid's guide.
eg: -<PWR-OFF MUTE
002 : 4E
Meaning: Block 001 joint "PWR-OFF MUTE" is
connected to Block 002 joint "PWR-OFF MUTE"
located at grid 4E
 C board
 A Board
 H3 Board
C073
C064
C037
C026
C008
G
R
SPB-25MVWF
D914
1
2
3
3P
CN005
GND
NC
KEY
D
004
D006
D007
D008
D009
1
2
3
4
5
CN007
Y OUT
GND
U OUT 
/ FB
GND
V OUT
1
2
3
4
CN003
+B
NC
GND
VM
 OU
T
1
2
3
4
5
CN009
Y IN / 
G
GND
IN / B
IN / R
GND
L003
L005
L006
L007
L008
L009
L012
D005
16V
C004
16V
C002
16V
C304
16V
C036
16V
C056
16V
C005
C311
C065
D069
D070
L004
16V
C317
16V
C303
C050
C015
L010
L011
L013
L031
L032
L033
L035
L036
C024
1
2
3
4
5
6
7
WHT
CN004
GND
B
 OU
T
G OUT
R
 OU
T
GND
IK
9V
16V
C013
FB002
L038
L039
FB003
FB004
C314
10V
C333
10V
C006
10V
C029
0MHz
X001
PG102R
D066
Q013
CHIP
JR1016
0
L040
L045
L041
L042
L043
L044
L046
L047
FB005
FB006
FB007
C034
B
RN-CP
100
R386
CH
C003
RN-CP
100
R048
16V
B
C022
RN-CP
100
R056
25V
B
C328
RN-CP
R042
16V
0.1
B
C095
CH
C319
CHIP
0
JR1014
B
C089
R397
RN-CP
R015
16V
0.1
B
C092
RN-CP
220
R099
16V
B
C096
B
C081
CHIP
0
JR1011
16V
B
C093
RN-CP
220
R087
RN-CP
100
R029
RN-CP
470
R337
25V
B
C072
RN-CP
R338
R392
CH
C301
RN-CP
100
R380
RN-CP
100
R323
16V
B
C318
R319
RN-CP
100
R060
R023
RN-CP
R340
CH
C320
10V
B
C316
RN-CP
R315
C068
RN-CP
100
R038
JR1010
B
C312
RN-CP
R003
C071
CHIP
0
JR1013
25V
B
C321
220
R098
C051
C012
16V
B
C025
RN-CP
100
R393
RN-CP
10
R398
RN-CP
R336
CH
C090
25V
B
C046
R362
16V
0.1
B
C054
C042
25V
B
C053
16V
B
C030
CH
C021
1/10W
RN-CP
R395
B
C080
RN-CP
R006
CH
C091
1/10W
RN-CP
R059
RN-CP
100
R046
RN-CP
100
R014
16V
B
C038
16V
B
C063
16V
B
C048
16V
B
C014
RN-CP
100
R041
C032
B
C058
R044
C011
CHIP
R363
0
250V
C055
RN-CP
R001
RN-CP
R010
RN-CP
R322
RN-CP
100
R384
R316
CH
C010
RN-CP
100
R030
16V
F
C302
C099
RN-CP
100
R385
RN-CP
220
R096
16V
B
C020
16V
B
C028
C098
B
C322
C097
B
C009
RN-CP
R012
B
C041
RN-CP
100
R339
R361
16V
C044
F
RN-CP
R317
CHIP
0
R356
RN
-C
P
100
R039
16V
B
C069
B
C083
0
JR1012
RN-CP
R379
RN-CP
R020
100
RN-CP
220
R097
B
C325
RN-CP
100
R025
1/10W
RN-CP
R377
RN-CP
100
R331
CHIP
0
R324
RN-CP
R364
RN-CP
100
R024
RN-CP
100
R002
RN-CP
470
R011
RN-CP
R314
RN-CP
R320
B
C313
C309
RN-CP
R394
RN-CP
100
R058
RN-CP
100
R341
16V
F
C023
RN-CP
R051
25V
B
C308
RN-CP
100
R004
RN-CP
100
R026
C324
25V
B
C049
CH
C001
RN-CP
100
R045
16V
B
C094
RN-CP
100
R018
FB008
W033
W011
W032
W010
W031
W003
W060
W034
W053
W030
W065
IFVO/IF_MON_OUT
005:6D
EWD-DEFL
004:5A
PH
2L
F
004:5A
SC
L
-0
005:2E
CVBS2/Y2
006:4G
INL2
006:4G
3.
3V
004:2B;003:11B
HOUT-DEFL
004:4G
9V
004:2C;006:
7A
;003:11C
;002:2E
;00
2:6D
;005
M
O
M
U
TE-AUD
IO
002:4E
AB
L
004:7A
O
C
P-
PRO
T
E
C
T
004:11G
OUTR
006:5A
SI
FI
N
1-
IF
005:7D
INR3
006:5G
SCARTHPR
002:2A
S2
006:4G
;005:2E
D1
_J
P
/M
O
DE
2_
EU
/M
ON
S
W
-M
O
N
O
006:2C
INL3
006:6G
5V 004:2C;006
:4A
;003:1
1D
;005:2E
LS
L-AUDI
O
002:2A
VIF
IN1-
IF
005:5D
CVBSO
006:5G
1.
8V
_A
U
D
IO
001:13H
;003:10D
SCARTFBL/A16
006:5G
PLLIF
005:6D
VD--DEFL
004:7A
MON-OUT
006:5A
PW
R-
O
FF-
M
U
T
E
002:4E
VGUAR
D-DE
FL
004:6A
AUDIO-M
U
T
E
002:3E
INR2
006:4G
AUDIO-STDBY
002:4E
DGC
-R
EL
A
Y
003:2D
OUTL
006:5A
INL1
006:7G
SCARTHPL
006:5G;002:2A
VD+
-DEFL 004:7A
ROT_SW
004:2B
M
-S
Y
S
-IF
005:4E
D1_
JP
/M
O
DE
1_
E
U
006:2C
CVBS3
006:6G
SI
FI
N
2-
IF
005:7D
VD
DC4
_C
A
P
005:5D
B_INT
006:2A
SD
A
-0
005:2E
1.
8V
_M
A
IN
003:11C
ST
BY
_S
W
003:11F;005:5D
INR1
006:6G
TUAGC
-I
F
005:4E
SE
CA
M-
L
-L
005:5D
CVBS1/Y1
006:7G
AF
C
-DE
FL
004:6A
+B
004:2C;003:
10E
;005:4E
C1
006:7G
S
1/V
C
006:7G
AGC
-M
U
T
E
005:3E
VIF
IN2-
IF
005:5D
LS
R
-AUD
IO
002:2A
2S
IF
005:7D
1.8V_AUDIO
001:8K;003:11D
ROT_CTRL
004:2B
B_DAT
006:2A
B_CLK
006:2A
VZOO
M
004:6A
MONO_OUTL
006:2C;005:6D
J
8
10
E
B
K
11
G
D
1
D
L
4
12
E
I
2
6
A
7
C
J
13
G
K
H
3
L
F
5
F
H
I
A
9
C
B
MA
11
1-
T
X
D
002
MA
11
1-
T
X
D
003
MA111-TX
D057
MA111-TX
D059
MA111-TX
D058
D067
MA111-TX
D071
MA111-TX
D072
D074
D076
FB021
CH
C323
C018
Q010
Q006
Q007
KRC102S
Q001
KRC102S
Q016
1SS133T-77
D056
D055
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
IC001
VSSP2
VSSC4
VDDC
4(
1.
8V
)
VDDA3
(3
.3
V
)
VREF_
P
OS_
L
SL
VR
EF
_N
EG_L
SL
+
L
SR
VREF_
P
OS_
L
S
R
+
H
PL
vR
E
F
_N
E
G
_H
PL
+
H
P
R
VREF_
P
OS_H
PR
XTALIN
XTALOUT
VSS
A
1
VGUAR
D
DEC
D
IG
VP1
PH
2L
F
PH
1L
F
GND
1
SE
CP
L
L
DEC
B
G
EWD
VD-
VD+
VI
F
IN
1
VIF
IN
2
VSC
IR
E
F
GNDIF
SI
FI
N
1
SI
FI
N
2
AGC
OU
T
EHT
0
AVL/2SIF
D1 LIN
D1 RIN
OUTL
OUTR
DECSDEM
MONO_OUTL
GND2
PLLIF
SIFAGC/SCART
IFVO/IF_MON_OUT
INTC0-IF
VCC8V
AGC2SIF
VP2
MON-OUT
INL2
INR2
CVBS2/Y2
C2
INL3
INR3
CVBS3
INL1
INR1
CVBS1/Y1
C1
LSL
LSR
SCARTHPL
SCARTHPR
CVBS0
VM
AFC
HOUT
VSSC
O
M
B
VDDC
O
M
B
VIN
UIN
YIN
YS
YN
C
YOUT
UOUT
VOUT
SC
A
R
T
F
B
L
R-
Y
/RI
N
Y/
GI
N
B-
Y
/BI
N
GND
3
VP3
AB
L
IK
R O
U
T
G OUT
B O
U
T
VDDA(3
.3V
)
VR
EF
AD_N
E
VR
EF
AD
_PO
VR
EF
A
D
GNDA
VDDA(1
.8
)
VDDA
2
V
S
S
ADC
VDDADC
(1.
8)
SIRSC
SCL1
SDA1
VDDC2
VSSC2
B INT
D1_JP/MODE2_EU/MONSW-MONO
MOMUTE-AUDIO
AUDIO STDBY
AUDIO MUTE
HD SW
SCL0
SDA0
VDDP(3.3V)
S1/VC(GA)
ROT CTRL
ROT SW
STBY_SW
DGC RELAY
D1_JP/MODE1_EU
VDDC1(1.8V)
DECV1V8
KEY
S2
VSSC1/P
RED LED
GREEN LED
VDDC3(1.8V)
VSSC3
AGC-MUTE
SECAM L-L
M-SYS-IF
1
2
CN010
GND
KEY
W066
W067
D054
D
064
D
065
D068
D023
D024
D025
D075
C016
R021
0
1/10W
RN-CP
R007
KRC102S
Q017
JR1017
R031
CHIP
R032
RG
B
004:3A
TP02
TP03
TP04
8765
4
3
2
1
IC003
VCC
GND
OUT
IC002
D077
C329
C330
C331
R387
R388
R389
A
PROCESSOR
TO CV BOARD
CN711
TO CV BOARD
CN701
TO TOP SWITCH
(Block 001)
BX1S(07)13830-RUSS-A..(Block 001)-HG21(6 models)
C052
1 2 3
4
5
6
7
8
9
10
1.8V
1.8V
1.8V
1.8V
1.8V
9V
5V
5V
5V
5V
5V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
100PF
50V
470UF
100PF
50V
100UF
100UF
470UF
47UF
35V
470PF
50V
100UF
0.22UF
0.01UF
25V
0.1UF
100PF
50V
0.22UF
22UF
50V
0.22UF
47UF
35V
0.1UF
470UF
0.22UF
100UF
4.7UF
50V
0.1UF
0.0022UF
50V
0.22UF
16V
2.2UF
0.0068UF
0.22UF
0.022UF
10UF
50V
0.001UF
50V
0.022UF
0.1UF
0.15UF
100UF
0.001UF
50V
0.1UF
2.2UF
50V
3.3UF
50V
0.1UF
0.01UF
2.2UF
50V
0.001UF
50V
0.001UF
50V
0.0027UF
50V
0.001UF
50V
100PF
50V
100PF
50V
0.1UF
0.1UF
0.1UF
0.1UF
470PF
50V
2.2UF
100UF
100UF
0.01UF
2.2UF
50V
0.001UF
50V
0.001UF
50V
0.47UF
220UF
0.1UF
47PF
50V
47PF
50V
0.01UF
0.001UF
50V
0.01UF
50V
0.022UF
25V
0.01UF
0.
1U
F
16V
0.
1U
F
16V
0.
1U
F
16V
470UF
MA8091-M
MA8091-M
MA8091-M
DTZ5.6B
RD5.6ESB2
DT
Z5.
6B
DT
Z5.
6B
DTZ5.6B
MA8091-M
0UH
0UH
0UH
0UH
RPM7240-H5
10UH
47UH
10UH
10UH
10UH
10UH
10UH
10UH
10UH
10UH
10UH
10UH
10UH
10UH
10UH
10UH
DTC143TKA-T146
DTC143TKA-T146
2SA1235-F
4.7K
1/10W
1/10W
4.7K
1/10W
1/10W
4.7K
10K
1/10W
1/10W
2.2K
1/10W
1/10W
1.5K
1/10W
1/10W
1/10W
1/10W
1/10W
1/10W
1/10W
1/10W
1/10W
2.2K
1/10W
12K
1/10W
1/10W
1/10W
1/10W
39K
1/10W
1/10W
1/10W
1K
1/10W
1/10W
1/10W
1/10W
1/10W
1/10W
6.8K
1/10W
6.8K
1/10W
3.3K
1/10W
4.7K
1/10W
4.7K
1/10W
1/10W
1/10W
4.7K
1/10W
1/10W
2.2K
1/10W
1/10W
10K
1/10W
1/10W
1K
1/10W
1.5K
68K
1/10W
1/10W
1/10W
1/10W
1/10W
75
1/10W
75
1/10W
75
1/10W
1/10W
4.7K
1/10W
100K
1/10W
2.2UF
RN-CP
100
1/10W
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
XX
CAT24C16WI-GT3
*
XX
5-3-1. A Board --- (Block 001)
KV-HG21M50,M80,M80/H,M91/L,P50
RM-GA002
- 38 -
- 39 -
RM-GA002
KV-HG21M50,M80,M80/H,M91/L,P50
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