Sony KV-28CL10B Service Manual ▷ View online
- 25 -
5-1. BLOCK DIAGRAMS (2)
A 2/2 ( )
9
7
8
RELAY
SWITCH
Q6001
T6003
SRT
16
15
17
18
18
16
2
15
2
IC6002
ERROR AMP
PH6101
ISOLATOR
AUDIO VCC
LOWB
+3.3V
7
5
IC5001
V OUTPUT
3
1
VD+
BOOST
REF
OUT
PIN OUT
Q5032
6
5
4
3
2
1
T5011
FBT
FV
ABL
12
3
4
5
6
13
8
9
11
10
7
V- DY+
V- DY-
H- DY+
H- DY+
TO C BOARD
CN7007
H1
200V
TO PICTURE
TUBE
2
3
6
5
+
-
1
7
IC5031
PIN CORRECTION
EW
HP
PROTECT
IN
VP
VD-
4
1
2
3
T5031
HDT
HD
T6102
CN6001
VD
VG(H)
VS
+B
HV
CN5008
IC6001
D5014
-15V RECT
1
2
1
3
DGC
DGC
DGC
DGC CHECK
DGC CHECK
CN6003
CN6002
2
1
H- DY-
H- DY-
TO C BOARD
CN7006
G2
D6025
D6008
LINE
FILTER
T6001
RELAY
RY6001
1
3
4
6
7
9
CT
VSENSE
RT
TIMER
SS
OCP
12
VG(L)
MAIN RECT
D6001
Q6006
7
3
LOWB
D6018
D6019
QCP DETECT
Q6002, 6003
H-DRIVE
Q5035
2
FB
D5013
+15V RECT
1
3
2
VARISTOR
8
Q6007
H-OUT
Q5033
CN5001
O
I
D6038
TO A 1/2
POWER SUPPLY,
DEFLECTION, VIDEO, AUDIO
TO D3 BOARD
CN8402
POWER
S6001
RECT
1
1
12
10
11
8
6
5
4
1
4
1
5V REG
3.3V REG
IC6005
IC6008
STBY
+5V
D6125
D6126
F6001
TO C BOARD
FOCUS
STBY
VC1
I
O
+
-
DF ( )
DYNAMIC
FOCUS
TO A BOARD
CN5010
V-PULSE
3
MAGENTA
NS CORRECT
SWITCH
Q8901
7
8
5
5
7
IC8901
2
1
6
7
IC8902
SWITCH
Q8902
SWITCH
Q8840
SWITCH
Q8841
QP-
QP-
QP+
QP+
E
E
Q8906
Q8907
Q8907
QP-
QP+
NECK
ASSY
1
2
3
4
5
6
7
8
3
4
6
1
T8901
CN8718
CN8701
6
CN8301
TO A BOARD
CN5012
SWITCH
Q8302, 8303
IC8301
SMART MODE
DEFLECTION
HDY-
SWITCH
SMART CORR
2
8
+8V
D2 ( )
SMART MODE DEFLECTION
1
CN8302
TO D3 BOARD
CN8401
Q8301
1
3
4
2
SWITCH
- 26 -
5-2. CIRCUIT BOARD LOCATION
5-3. SCHEMATIC DIAGRAMS AND
PRINTED WIRING BOARDS
PRINTED WIRING BOARDS
Note :
•
All capacitors are in µF unless otherwise noted.
•
pF : µµF 50WV or less are not indicated except for
electrolytic types.
electrolytic types.
•
Indication of resistance, which does not have one for
rating electrical power, is as follows.
rating electrical power, is as follows.
Pitch : 5mm
Electrical power rating : 1/4W
Electrical power rating : 1/4W
•
Chip resistors are 1/10W
•
All resistors are in ohms.
k = 1000 ohms, M = 1000,000 ohms
k = 1000 ohms, M = 1000,000 ohms
•
: nonflammable resistor.
•
: fusible resistor.
•
: internal component.
•
: panel designation or adjustment for repair.
•
All variable and adjustable resistors have
characteristic curve B, unless otherwise noted.
characteristic curve B, unless otherwise noted.
•
All voltages are in Volts.
•
Readings are taken with a 10Mohm digital mutimeter.
•
Readings are taken with a color bar input signal.
•
Voltage variations may be noted due to normal production
tolerences.
tolerences.
•
: B + bus.
•
: B - bus.
•
: RF signal path.
•
: earth - ground.
•
: earth - chassis.
Reference Information
RESISTOR
RN
: METAL FILM
RC
: SOLID
FPRD
: NON FLAMMABLE CARBON
FUSE
: NON FLAMMABLE FUSIBLE
RS
: NON FLAMMABLE METAL OXIDE
RB
: NON FLAMMABLE CEMENT
RW
: NON FLAMMABLE 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
Les composants identifiés par une trame et
par une marque sont d'une importance
critique pour la sécurité. Ne les remplacer
que par des pièces de numéro spécifié.
specified.
par une marque sont d'une importance
critique pour la sécurité. Ne les remplacer
que par des pièces de numéro spécifié.
specified.
Note :
The components identified by shading
and marked are critical for safety.
Replace only with the part numbers
specified in the parts list.
and marked are critical for safety.
Replace only with the part numbers
specified in the parts list.
Note :
CVM Board
A Board
S1 Board
VM
C
H
D1
A
J
A2
N
D
A1
D2
C
A
DF Board
C Board
A Board
D2 Board
D3 Board
- 27 -
~
A Board IC Voltage Table
~
~
A Board Semiconductor Voltage Table ~
1.83 Vp-p (V)
20us/div
TP7
20us/div
1.88 Vp-p (H)
TP1
5ms/div
TP8
488 mVp-p (V)
20us/div
1.86 Vp-p (H)
TP3
20us/div
1.84 Vp-p (H)
TP2
20us/div
6.0 Vp-p (H)
TP4
20us/div
5.4 Vp-p (H)
TP5
20us/div
TP6
16.8 Vp-p (H)
5ms/div
50.8 Vp-p (V)
TP11
5ms/div
49.8 Vp-p (V)
TP9
20us/div
TP10
1.06 kVp-p (H)
~
A Board Waveforms ~
~
A Board Difference Table ~
f
e
R
B
0
1
L
C
8
2
-
V
K
E
0
1
L
C
8
2
-
V
K
0
0
0
1
B
F
H
U
0
E
T
I
R
R
E
F
0
T
R
O
H
S
1
0
0
1
U
T
D
N
E
T
N
O
R
F
1
1
4
F
E
-
F
T
B
D
N
E
T
N
O
R
F
1
1
4
C
E
-
F
T
B
o
N
f
e
R
o
N
n
i
P
)
V
(
e
g
a
t
l
o
V
o
N
f
e
R
o
N
n
i
P
)
V
(
e
g
a
t
l
o
V
1
0
0
0
C
I
1
0
1
0
0
0
C
I
7
6
3
.
4
2
2
.
3
8
6
0
.
5
3
0
.
5
9
6
0
.
5
5
0
0
7
0
6
5
.
3
1
7
5
.
3
8
0
2
7
8
.
3
9
0
3
7
5
.
2
0
1
3
.
2
4
7
9
.
0
2
1
0
.
5
5
7
2
.
7
3
1
6
.
2
6
7
4
.
3
4
1
0
.
4
7
7
8
.
3
6
1
0
.
4
8
7
2
.
3
7
1
7
.
4
9
7
8
.
4
8
1
1
.
1
0
8
0
9
1
3
.
1
1
0
0
5
C
I
1
4
.
0
0
2
8
.
3
3
8
.
1
1
-
1
2
8
.
3
5
3
.
0
2
2
0
6
5
.
3
1
6
2
2
.
1
7
4
.
0
8
2
5
.
3
1
3
0
5
C
I
1
4
.
1
9
2
9
.
7
2
9
.
1
0
3
6
.
2
3
8
.
1
1
3
9
.
7
5
6
.
3
2
3
3
.
3
6
4
.
1
4
3
3
.
3
7
1
.
7
5
3
4
.
1
1
0
0
6
C
I
1
5
.
5
7
-
6
3
0
2
1
.
6
7
-
8
3
4
.
1
3
5
.
5
7
-
0
4
8
.
1
4
8
.
5
7
-
2
4
4
.
7
5
1
.
7
7
-
3
4
4
.
7
6
0
.
7
7
-
5
4
4
.
2
7
6
.
3
7
-
6
4
8
.
2
9
0
.
7
7
-
7
4
8
.
2
0
1
4
.
1
7
-
8
4
4
.
2
1
1
1
.
7
7
-
9
4
4
.
2
2
1
7
.
4
7
-
0
5
0
4
1
1
.
4
1
5
5
.
2
5
1
0
2
5
5
.
2
6
1
0
3
5
5
.
2
8
1
1
.
7
7
4
5
8
.
2
1
0
2
2
C
I
1
3
1
5
5
8
.
3
3
0
6
5
8
.
1
5
0
.
3
1
7
5
8
.
1
6
0
8
5
8
.
1
7
5
.
3
1
9
5
2
.
3
9
0
2
6
0
0
1
6
.
5
3
6
7
.
1
2
1
5
.
3
1
4
6
6
.
1
4
1
5
.
3
1
5
6
0
f
e
R
)
e
(
)
b
(
)
c
(
f
e
R
)
e
(
)
b
(
)
c
(
3
1
0
0
Q
0
4
.
0
1
.
3
3
0
0
6
Q
8
8
0
2
0
1
1
Q
0
.
4
3
.
3
0
.
8
4
0
0
6
Q
0
0
1
.
3
3
0
1
1
Q
0
.
4
6
.
4
0
.
8
8
0
0
6
Q
0
0
9
.
8
2
1
0
2
Q
0
6
.
0
0
9
0
0
6
Q
9
.
8
9
.
8
0
1
0
4
3
Q
9
.
4
3
.
4
2
.
2
f
e
R
)
s
(
)
g
(
)
d
(
1
1
4
3
Q
3
.
1
9
.
1
3
.
4
6
0
0
6
Q
0
0
6
.
5
7
1
0
0
6
Q
1
.
9
3
.
8
8
.
7
7
0
0
6
Q
1
.
7
7
-
7
.
4
7
-
0
2
0
0
6
Q
0
5
.
0
8
5
3
0
5
Q
0
0
.
3
1
.
2
8
A
B
C
D
E
F
G
H
I
J
K
L
M
N
1
2
3
4
5
6
7
8
9
10
11
- 28 -
NOTE:
Portions of the circuit marked as shown are high
voltage areas. Use care to prevent electric shock
during inspection or repair.
voltage areas. Use care to prevent electric shock
during inspection or repair.
~ A Printed Wiring Board Conductor side ~
~ A Board Semiconductor
Location Table ~
E
D
O
I
D
8
0
0
6
D
8
-
F
1
0
0
0
D
2
-
I
0
1
0
6
D
5
-
J
2
0
0
0
D
3
-
I
1
1
0
6
D
5
-
G
3
0
0
0
D
2
-
K
2
1
0
6
D
5
-
G
4
0
0
0
D
8
-
M
3
1
0
6
D
6
-
J
6
0
0
0
D
8
-
M
8
1
0
6
D
6
-
H
7
0
0
0
D
1
-
K
9
1
0
6
D
6
-
H
8
0
0
0
D
3
-
L
1
2
0
6
D
6
-
K
0
1
0
0
D
2
-
G
3
2
0
6
D
5
-
J
1
1
0
0
D
2
-
F
5
2
0
6
D
6
-
K
3
1
0
0
D
1
-
M
3
3
0
6
D
5
-
L
4
1
0
0
D
1
-
K
8
3
0
6
D
6
-
I
8
1
0
0
D
3
-
I
5
2
1
6
D
6
-
K
0
2
0
0
D
8
-
M
6
2
1
6
D
6
-
L
2
2
0
0
D
2
-
L
R
O
T
S
I
S
N
A
R
T
4
0
4
0
D
3
-
I
3
1
0
0
Q
3
-
I
8
0
4
0
D
2
-
B
2
0
1
1
Q
3
-
E
7
2
4
0
D
4
-
A
3
0
1
1
Q
3
-
F
2
4
4
0
D
2
-
B
9
4
1
1
Q
3
-
J
1
0
0
1
D
1
-
B
2
1
0
2
Q
5
-
I
7
0
0
1
D
1
-
A
1
0
4
3
Q
1
-
C
3
0
0
2
D
4
-
G
9
0
4
3
Q
1
-
G
7
0
0
2
D
3
-
F
1
1
4
3
Q
2
-
D
0
1
0
2
D
5
-
I
2
3
0
5
Q
4
-
D
1
1
0
2
D
5
-
I
3
3
0
5
Q
6
-
A
2
1
0
2
D
5
-
I
5
3
0
5
Q
4
-
B
5
3
0
2
D
4
-
D
0
7
0
5
Q
3
-
K
6
3
0
2
D
3
-
D
6
7
0
5
Q
3
-
L
4
0
2
2
D
5
-
I
1
0
0
6
Q
5
-
K
5
0
0
3
D
3
-
L
2
0
0
6
Q
5
-
G
3
0
4
3
D
2
-
B
3
0
0
6
Q
5
-
G
0
2
4
3
D
2
-
B
4
0
0
6
Q
5
-
H
4
2
4
3
D
2
-
M
6
0
0
6
Q
0
1
-
G
5
3
4
3
D
2
-
A
7
0
0
6
Q
9
-
G
1
0
0
5
D
9
-
D
8
0
0
6
Q
6
-
J
2
0
0
5
D
9
-
D
9
0
0
6
Q
6
-
J
3
0
0
5
D
2
-
I
S
'
C
I
4
0
0
5
D
2
-
I
1
0
0
0
C
I
2
-
K
2
1
0
5
D
8
-
D
2
0
0
0
C
I
8
-
M
3
1
0
5
D
9
-
D
4
0
0
0
C
I
2
-
H
4
1
0
5
D
9
-
D
1
0
4
0
C
I
3
-
I
4
3
0
5
D
5
-
E
1
0
0
2
C
I
3
-
E
6
3
0
5
D
6
-
B
1
0
2
2
C
I
4
-
H
7
3
0
5
D
4
-
C
1
0
0
5
C
I
0
1
-
E
8
3
0
5
D
6
-
E
1
3
0
5
C
I
4
-
F
9
3
0
5
D
5
-
B
1
0
0
6
C
I
0
1
-
F
1
4
0
5
D
5
-
F
2
0
0
6
C
I
7
-
F
3
7
0
5
D
5
-
F
3
0
0
6
C
I
5
-
I
1
0
0
6
D
9
-
I
4
0
0
6
C
I
5
-
H
2
0
0
6
D
5
-
J
5
0
0
6
C
I
5
-
K
4
0
0
6
D
9
-
F
8
0
0
6
C
I
5
-
L
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