Sony KV-28FD1E Service Manual ▷ View online
1
CN604
LINE FILTER
LF600
AC IN
AC IN
DGC CHECK
DGC CHECK
CN602
1
5
THP600
STBY +35V
STBY +11V
STBY +5V
CN1602
CN1601
AC IN
1
2
AC IN
F1601
1
2
RELAY
RY602
1
DGC CHECK
DGC CHECK
3
1
CN605
DGC
DGC
3
2
2
1
3
4
IC601
OPTO-COUPLER
SWITCH
Q609
D601
T601 PIT
+ 11V
17
15
16
+11V RECT
D612
+ 6.5V
14
12
13
+6.2V RECT
D611
+ 115V
10
8
9
+115V RECT
D613
6
7
1
2
3
4
5
+16V RECT
D610
+ 16V
1
3
4
IC603
POWER MODULE
+115V
T600 PRT
3
2
4
5
8
7
2
4
3
3
1
2
D
G
S
IC651
STBY P/S CONTROLLER
1
8
7
6
5
D605
D606
D656
D608
IC602
REG OUT
D511
+200V RECT
+115V
T505 FBT
HV
1
4
2
FV
13
3
4
6
8
2
IC502
VERTICAL DEFLECTION
BOOSTER
5
7
1
B6
B4
B3
B2
B8
B10
A10
A8
1
5
4
2
3
V+
V-
6
5
7
8
9
10
11
H OUT
Q502
DFT
T507
DF DRIVE
Q505
H+
H-
V+
V-
CN502
DY ASSY
V DY
H DY
H+
H-
V+
V-
H DAMP
D502,503
H-OUT
DRIVE
Q501
PCM
L523
L523
T504
H CENT
D505,506
H CENT
S501
HDT
T501
6
5
4
3
2
1
A2
A6
B6
A7
B7
A9
B9
A10
B10
ABL
E/W
SDA
SCL
HV COMP
HV COMP
SCL
SDA
E/W
ABL
DF-V
H DRIVE
H PULSE
V-PROT
H DRIVE
D512
-15V RECT
D513
+15V RECT
+15V
-15V
DAC 4
S OUT 1
S OUT 1
S OUT 1
S OUT 1
S OUT 2
S OUT 2
S OUT 2
S OUT 2
H CENT 1
H CENT 2
+115V
CN509
1
4
1
2
G2
H1
TO C BOARD
CN703
TO PICTURE TUBE
HV
TO C BOARD
FV (J701)
D661
1
2
+V REG
1C600
D
POWER SUPPLY,
DEFLECTION HV
DEFLECTION HV
HV
FV
F
SW DEFLECTION
CN606
FOR
CHECK
T651 SRT
TO A BOARD
CN2502
TO D1 BOARD
CN1501
TO A BOARD
CN2501
H PULSE
CN501
+200V
CN511
TO D1 BOARD
CN1504
AC ON/OFF
14
21
CN505
15
V OUT
Q504
18
17
16
CN608
TO A BOARD
CN1107
25
1
CN507
MAIN RECT
D603
HP L
FR L OUT
FR R OUT
HP R
5
7
CN902
1
3
4
2
TO J BOARD
CN4202
VIDEO
L
R
Y/C
J901
J900
HEADPHONES
FR C OUT
3
FR V OUT
1
KEY 1
KEY 2
3
1
5
7
TO J BOARD
CN4205
CN901
CN903
TO A BOARD
CN1106
3
1
S901-906
J903
23
24
11
R
L
H1
FRONT INPUT
1
3
5
B
G
R
CN904
TO A BOARD
CN1310
CN906
V SYNC
H SYNC
D DCSCL2
D DCSDA2
CN905
TO A BOARD
CN1309
1
3
5
6
4
6
PC
STANDBY SW
Q703
VOLTAGE DET
Q704,706
CN701
1
R
PICTURE TUBE
HV
TO D BOARD
HV (T505)
HV (T505)
POWER ON
SWITCH
D707,Q705
STANDBY SW
Q702
STANDBY SW
Q701
IC703
VIDEO OUT (RED)
VB
VO
1
8
VI
3
VOF
9
IK
5
+12V
IC702
VIDEO OUT (GREEN)
VB
VO
1
VI
3
VOF
9
IK
5
8
IK
IC701
VIDEO OUT (BLUE)
VB
VO
1
VI
3
VOF
9
IK
5
5
B
+12V
RV704
H STAT
RCV
G2
H1
J701
G4
10
1
FV
TO D BOARD
FV (T505)
FV (T505)
9
R
G
B
8
13
3
5
CN703
4
1
H1
RV701
G2
TO D BOARD
CN509
TO A BOARD
CN1305
G
3
8
8
G2
C
(RGB OUT)
18
17
18
13
KV-28FD1/32FD1
— 26 —
Note :
•
All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50WV or less are not indicated except for electrolytic and
tantalums.
tantalums.
•
All resistors are in ohms.
k = 1000 , M = 1000K
k = 1000 , M = 1000K
•
Indication of resistance, which does not have one for rating
electrical power, is as follows.
electrical power, is as follows.
Pitch : 5 mm
Rating electrical power W
Rating electrical power W
•
: nonflammable resistor.
•
: internal component.
•
: panel designation, or adjustment for repair.
•
All variable and adjustable resistors have characteristic curve
B, unless otherwise noted.
B, unless otherwise noted.
•
: earth - ground.
•
: earth - chassis.
•
: no mounted.
5-2. CIRCUIT BOARDS LOCATION
1
4
/
Reference information
RESISTOR
: RN
METAL FILM
: RC
SOLID
: FPRD
NONFLAMMABLE CARBON
: FUSE
NONFLAMMABLE FUSIBLE
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
: RW
NONFLAMMABLE WIREWOUND
:
ADJUSTABLE 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
5-3. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS
Note : The components identified by shading and marked
are critical for safety. Replace only with the
part number specified.
part number specified.
Note : Les composants identifies par une trame et une
marque sont critiques pour la securite.
Ne les remplacer que par une piece portant le
numero specifie.
Ne les remplacer que par une piece portant le
numero specifie.
•
Readings are taken with a colour-bar signal input.
•
Readings are taken with 10M
Ω
digital multimeter.
•
Voltages are dc with respect to ground unless otherwise noted.
•
Voltage variations may be noted due to normal production
tolerances.
tolerances.
•
All voltages are in V.
•
Circled numbers are waveform references.
•
: B+ bus.
•
: signal path. (RF)
VM
B1
J
A
B
Q
A1
C
H1
H2
F
D
D1
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