Sony KV-XA21M80 Service Manual ▷ View online
– 33 –
KV-XA21M80
RM-952
4-6. PICTURE DISTORTION ADJUSTMENT
Item Number 00 – 0B
GEO 1
HSZ (H SIZE)
GEO 3
TLT (TRAPEZIUM)
GEO 0A UPN (UPPER CORNER PIN)
GEO 0B LPN (LOWER CORNER PIN)
GEO 5
VSZ (V SIZE)
GEO 0
HPS (H POSITION)
GEO 9
AGL (AFC.ANGLE)
GEO 8
BOW (AFC.BOW)
GEO 2
PAP (PIN AMP)
GEO 4
VPS (V POSITION)
GEO 7
VLN (V LINEARITY)
GEO 6
SCO (VERTICAL S-Correction)
– 35 –
– 34 –
KV-XA21M80
RM-952
KV-XA21M80
RM-952
YC JUNGLE
IC301
CXA2159S
CXA2159S
<slave:88H>
INTERNAL NTSC
COMB FILTER
IC302
TDA9183T
COMB FILTER
IC302
TDA9183T
MONITOR
OUT
OUT
TV V in
TV L in
TV R in
TV V in
Mon out
V1 out
COMB Y in
COMB C in
V1 V in
43
6
9
7
43
V1 V in
V1 L in
V1 R in
V2 R in
V2 V in
V2 V in
4
V2 L in
L out 2
R out 2
JACK BLOCK
VIDEO IN 1
AUDIO
PROSESSOR
PROSESSOR
IC203
TDA7442D
<slave: 80H>
AUDIO OUT
IC201
TA8223K
TA8223K
RED OUT
GREEN OUT
BLUE OUT
IC700
TDA6107Q
TDA6107Q
VM DRIVE
2SC4793
Q5965
2SC4793
Q5965
SP ASSY
VM
COIL
COIL
CRT SOCKET
CRT
A51LPT70X
A51LPT70X
DY
Y21RSA
Y21RSA
B out
G out
R out
VM out
VM in
R out
G out
B out
24
25
26
23
21
20
13
15
16
IK in
H. DRIVE
H. PULSE
E/W
VD+
VD-
H-OUT
Q511
2SD2578-CA
Q511
2SD2578-CA
V-OUT
IC503
AN5522
IC503
AN5522
HDT
T501
T501
H-DRIVE
Q506
2SD774-34
Q506
2SD774-34
PIN-CONT
IC502
NJM2903M
IC502
NJM2903M
PIN-OUT
Q505
IRF614-LF
Q505
IRF614-LF
PMC
L509
L509
HLC
L510
L510
FBT
T503
NX-1748
T503
NX-1748
+B
Audio Front Vcc
+9V
11V
7V
+5V
5V REG & RESET
IC002 MM1319AF
9V REC IC603
5V REC IC604
STB TRANS
T604
SRT
T603
SYSTEM
Ucom
IC001
CXP86449
CXP86449
RECEIVER
SBX1981-51RP
IC901
IC901
SIRCS
R G B
BLK
I2L
MEMORY
IC003
M24C08-BN6
M24C08-BN6
28 29 30 27
F
(CISPR)
STB SW TR
Q605
2SK2845
2SK2845
POWER IC
IC601
STR-F6654
STR-F6654
LINE FILTER
T601
LINE
FILTER
FILTER
T4602
THP
THP600
AC CORD
DGC
MAIN. TUVIF with
STEREO DECODER
(MSP3415)
STEREO DECODER
(MSP3415)
<slave: 84H>
TU101
BTF-LG433
BTF-LG433
J401
6P
VIDEO IN 2
(FRONT)
(FRONT)
J902
3P
A
(System Controller, Y/C Jungle, Deflection, Tuvif,
Front Amp, Power Supply, Audio Amp/Tone Controller)
C1
(Video Amp NS Rotation VM)
N/S DRIVE
IC1800
IC1800
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM
– 36 –
KV-XA21M80
RM-952
5-2. CIRCUIT BOARDS LOCATION
A
F
C1
KV-XA21M80
RM-952
– 37 –
5-3. SCHEMATIC DIAGRAM
Note:
•
•
All capacitors are in µF unless otherwise noted.
•
All electrolytic capacitors are rated at 50V unless otherwise
noted.
noted.
•
All resistors are in ohms.
k
k
Ω = 1000Ω, MΩ = 1000kΩ
•
Indication of resistance which does not have rating electrical
power is as follows.
power is as follows.
Pitch: 5 mm
Rating electrical power 1/4W (CHIP: 1/10W)
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.
B unless otherwise noted.
•
Redings are taken with a color-bar signal input.
no mark
no mark
: Common
(
)
: PAL
[
]
: NTSC 3.58
•
Readings are taken with a 10 digital m ultimeter.
•
Voltage are dc with respect to ground unless otherwise
noted.
noted.
•
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
All voltage are in V.
•
✽
: Cannot be measured.
•
Circled numbers are waveform references.
•
: B +bus.
•
: B –bus.
•
÷
: signal path.
Reference information
RESISTOR
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
mark
! are critical for safety. Replace only
with part number specified.
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