DOWNLOAD Sony KV-TG21M80 Service Manual ↓ Size: 2.71 MB | Pages: 46 in PDF or view online for FREE

Model
KV-TG21M80
Pages
46
Size
2.71 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-tg21m80.pdf
Date
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– 26 –
KV-TG21M80
RM-952
5-2. CIRCUIT BOARDS LOCATION
A BOARD
CV BOARD
KV-TG21M80
RM-952
– 27 –
5-3. SCHEMATIC DIAGRAM
Note:
•
All capacitors are in µF unless otherwise noted.
•
All electrolytic capacitors are rated at 50V unless otherwise
noted.
•
All resistors are in ohms.
k
Ω = 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.
•
¢
: internal component.
•
: panel designation or adjustment for rrepair.
•
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
Ω digital multimeter.
•
Voltage are dc with respect to ground unless otherwise
noted.
•
Voltage variations may be noted due to normal produc-
tion tolerances.
•
All voltage are in Volt.
•
✽
: Cannot be measured.
•
Circled numbers are waveform references.
•
: B +bus.
•
: B –bus.
•
÷
: signal path.
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.
– 30 –
KV-TG21M80
RM-952
(2) CV Board Schematic Diagram
A
1
2
3
4
5
6
7
B
C
D
E
F
G
H
I
J
200V
200V
1
1
1
2
3
4
5
6
7
8
1
2
3
1
2
3
1
-2
-2
5
10
9
8
7
6
4
3
1
11
13
G4
G2
G1-1
H1
H2
G1-2
KB
KG
KR
G1-3
RCV
1
2
3
4
5
-2
CN706
C1762
    #
C1784
JW701
JW702
C702
C703
C704
C708
C709
C710
C713
C714
C716
C718
C719
D702
1SS119-25
SPEED UP
D703
1SS119-25
SPEED UP
D707
1SS119-25
SPEED UP
D708
1SS119-25
SPEED UP
D709
1SS119-25
SPEED UP
D716 1SS119-25 CLAMP
J701
Q704
2SC2611
B AMP
Q705
2SC2611
G AMP
Q706
2SC2611
R AMP
Q709
2SA1091-0
FEEDBACK
Q712
2SC2785-HFE
R  AMP
R706
R725
R726
R727
R728
R729
R730
R738
R739
R740
R755
R756
R757
R760
R761
R762
RV702
CN702
CN704
R705
C737
C746
C701
L710
MICRO
INDUCTOR
    L711
JW(5MM)
   L712
JW(5MM)
R708
R722
R724
C1760
    #
C1761
    #
CN1701
    #
L1700
    #
L1761
Q1765
Q1767
    #
BUFFER
Q1777
R1763
    #
R1764
     #
R1769 #
R1790
    #
R1851
    #
R712
R714
R710
R734
R703
R719
R721
R723
C712
R731
R732
R733
C717
R717
L701
MICRO INDUCTOR
:EL0607
D717
NNCD9.1A-T1
C1764
    #
R1774
  #
R711
R713
R715
#
#
#
#
0.001
B
4.7
250V
0.022
400V
:PP
C706
47
16V
470p B
470p
   B
470p
B
 560P
 B
 560P
 B
100
16V
100
16V
680p
B
SOCKET
680
:RN
R707
470
  :RN
2.2k
2.2k
2.2k
180
180
180
100
100
100
1.2k
1.2k
1.2k
JW(5MM)
JW(5MM)
JW(5MM)
110M
1P :TAB
1P
:TAB
#
C736 #
#
#
0.0047
2kV
E
0.68
3W
:RS
R720
JW(5MM)
JW(5MM)
JW(5MM)
8.2k
3W
:RS
8.2k
3W
:RS
8.2k
3W
:RS
100
1/2W
100k
1/2W
#
#
#
 470P
B
150
150
150
47p
CH
CLAMP
D713
1SS119-25
 STOPPER
D714
D715
1.5k
1/2W
1.5k
1/2W
1.5k
1/2W
.
.
1
2
3
4
5
6
7
8
9
10
11
1
C1763
#
C1768
#
C1769
#
C1770
# 
C1773
#
C1775
#
C1778
#
C1779
#
D1767
#
D1768
#
#
Q1763
   #
  VM
        #
AMPLIFIER
     #
STANDBY
MUTE
R1772
#
R1775
#
R1776
#
R1779
#
R1782
#
R1785
#
R1812
#
200V
FOCUS
G2
FV
GN D
H1
GND
TO A BOARD
9V
G2
GND
TO A BOARD
CN701
5P
:S-MICRO
TO A BOARD
CN500
CN505
NC
NC
GND
CN300
VM IN
GND
+B
NC
GND
1K
GND
NC
VM
B IN
G IN
R IN
 #
R765
1SS119-25
 STOPPER
1SS119-25
 STOPPER
          Q711
2SC2785-HFE
        G AMP
Q710
2SC2785-HFE
B AMP
Q708
2SA1091-0
FEEDBACK
D701
1SS119-25
SPEED UP
Q707
2SA1091-0
FEEDBACK
CN703
6P
RGB AMPLIFIER
(
(
CN1702
      #
TO VM COIL
200V
R
G
B
R
G
B
B-SSS11072-CKD-CV
1
2
3
4
H.STAT
H
KG
G2
CV KR G1 G4 HV
KB
PICTURE TUBE
A51LPT70X
R716
1K
1K
R718
1K
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