Sony KV-29FX30K [24/50] 3 schematic diagrams and printed wiring boards
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Sony KV-29FX30K [24/50] 3 schematic diagrams and printed wiring boards

Sony KV-25FX30K [24/50] 3 schematic diagrams and printed wiring boards
POWER
CN6603
2
1
2
1
TO A BOARD
CN606
CN6601
F1 ( )
POWER SWITCH
TO A BOARD
CN406
TO A BOARD
CN208
VIDEO
HEADPHONES
R
L
AUDIO L
OUT
AUDIO L IN
AUDIO R IN
AUDIO R OUT
CN906
AUDIO L
AUDIO R
Y/CVBS
C
5
6
2
3
4
1
6
8
J900
1
2
4
3
Y/C
J901
H1( )
AUDIO IN, IR RECEIVER,
Y/C IN, HEADPHONE IN
J900
1
WOOFER MUTE
CN908
TO A BOARD
CN405
FUNCTION
SWITCH
S900-S902
KEY
CN907
RESP
SIRCS
6
7
4
IC900
2
1
+5V STBY
H1
PICTURE TUBE
CN703
R
G
B
IK
TO BOARD
T511 (FBT)
H
C
V
R
G
B
H
V
RCV
G2
G
4
G
2
TO A BOARD
CN504
1
2
3
6
+8V
1
3
CN1801
ROT -
ROT +
+
-
IC1801
6
7
5
+
-
2
1
3
TO
ROTATION
COIL
NS CORRECT
7
C ( )
RGB OUT
3
1
5
2
R IN
G IN
B IN
IK
7
9
8
KR
KG
KB
IC701
5-2. CIRCUIT BOARD LOCATION
5-3. SCHEMATIC DIAGRAMS AND
PRINTED WIRING BOARDS
Note :
• All capacitors are in µF unless otherwise noted.
• pF : µµF 50WV or less are not indicated except for
electrolytic types.
• Indication of resistance, which does not have one for
rating electrical power, is as follows.
Pitch : 5mm
Electrical power rating : 1/4W
• Chip resistors are 1/10W
• All resistors are in 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.
• 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.
•: 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.
Note :
The components identified by shading
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
5-1. BLOCK DIAGRAMS (2)
25 26
9
VM AMP
Q1701, 1702,
VM AMP
BUFFER
Q1704, 1705
VM OUT
Q1708, 1711
NECK ASSY
VM
CN1718
Q.P.
VM
CN1702
8
TO
A BOARD
CN501
135V
GND
VM
QP OUT
Q1841
1
2
3
4
Q.P.+
Q.P.-
72
IC1902
DF/DQP/TIMING
+
-
3
1
2
+
-
5
7
6
3
TO
A BOARD
CN503
+9V
IC1901
COMPARATOR
CN1809
1
DF
15V PULSE
VM ( )
VELOCITY MODULATION,
DYNAMIC FOCUS AND DQP
CN1701
F1 Board
H1 Board
VM Board
C Board
A Board

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