DOWNLOAD Sony KV-XF21M30 (serv.man2) Service Manual ↓ Size: 1.27 MB | Pages: 62 in PDF or view online for FREE

Model
KV-XF21M30 (serv.man2)
Pages
62
Size
1.27 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xf21m30-sm2.pdf
Date

Sony KV-XF21M30 (serv.man2) Service Manual ▷ View online

– 37 –
KV-XF21M30/XF21M50/XF51M65
RM-952
SUB HUE ADJUSTMENT
1. Select Video 1.
2. Input a NTSC color-bar, video into Video 1.
3. Set the following condition:
PICTURE 100%, BRIGHTNESS 50%, COLOR 50%
4. Connect an oscilloscope to pin 
1 (B OUT) of CN305, A board.
5. Select SAJ 1 ‘SHU’ with 
1 and 4 of the commander by set-
ting to Service Mode and adjust to VB1=VB2=VB3=VB4 with
3 and 6.
4-3. PICTURE QUALITY ADJUSTMENTS
SUB COLOR ADJUSTMENT
1. Input a PAL color-bar.
2. Set to the following condition:
PICTURE 100%, BRIGHTNESS 50%, COLOR 50%
3. Connect an oscilloscope to pin 
1 (B OUT) of CN305, A board.
4. Set to Service Mode and select SAJ 3 ‘SCL’ with 
1 and 4 of
the commander then adjust to VB2=VB3=VB4 with 
3 and
6.
5. Press 
[MUTING]
 → 
- of the commander to write the data.
6. Adjust SAJ 3 ‘SCL’ as step 2 to 5 when receiving NTSC color-
bar.
VB1 VB2
VB3 VB4
VB2 = VB3 = VB4
6. Press 
[MUTING]
 → 
- of the commander to write the data.
VB1 VB2
VB3 VB4
VB1 = VB2 = VB3 = VB4
BELL FILTER ADJUSTMENT
1. Input SECAM color-bar signal.
2. Connect the dual-trace oscilloscope to the pin 
9 (R-Y) of
CN303 (not mounted).
3. Adjust SERVICE MODE, ITEMS ‘SBF’ as shown below.
4-4. A BOARD ADJUSTMENT AFTER IC003
(MEMORY) REPLACEMENT
When replacing IC003 (MEMORY), be sure to change IC001 (µ-
COM) to the following new IC at the same time.
IC001(µ-CON):CXP86449-611S
1. Enter to Service Mode.
2. Press commander buttons 
5 and - (Data Initialize), and 2
and 
- (Data Copy) to initialize the data.
3. Call each item number and check if the respective screen shows
the normal picture.
In cases where items are not well adjusted, rectify the items
with fine adjustment.
Write the data per each item number (
[MUTING]
 +
-).
4. Select item numbers “OPB0” (OP1), “OPB1” (OP2) and
“OPB2”  (OP3) and respectively set the bit per model with
command buttons 
3 and 6.
5. Press commander buttons 
8 and - (Test Normal) to return
to the data that was set on the shipment from the factory.
(This will also cancel Service Mode.)
– 38 –
KV-XF21M30/XF21M50/XF51M65
RM-952
4-5. PICTURE DISTORTION ADJUSTMENT
Item Number 00 – 0B
GEO 0
HSH (H POSITION)
GEO 1
HSZ (H SIZE)
GEO 2
PAP (PIN AMP)
GEO 5
VSZ (V SIZE)        
GEO 7
VLN (V LINEARITY)  
GEO 4
VSH (V POSITION)
GEO 6
SCR (VERTICAL S-Correction)
GEO 8
VBOW (AFC.BOW)
GEO 9
AGL (AFC.ANGLE)
GEO 3
TILT (TRAPEZIUM)
GEO 0A UCP (UPPER CORNER PIN)
GEO 0B LCP (LOWER CORNER PIN)
SECTION  5
DIAGRAM
5-1. BLOCK DIAGRAM
– 
40
 –
– 
41
 –
– 
39
 –
COMB FILTER
(Glass Combs)
YC JUNGLE
IC301
CXA2130S
<slave:88H>
MONITOR
OUT
TV V in
TV L in
TV R in
Mon out
TV V in
V1 V in
43
6
9
7
12
CN304
COMB Y in
COMB C in
V1 out
V1 V in
V1 L in
V1 R in
V2 V in
V2 V in
4
V2 L in
V2 R in
V out 2
L out 2
R out 2
JACK BLOCK
J401     6P
J902     3P
VIDEO IN 1
VIDEO IN 2
(FRONT)
AUDIO
PROSESSOR
IC203
TDA7429S
<slave: 80H>
AUDIO OUT
IC201
TA8223K OR
TA8248K
RED OUT
GREEN OUT
BLUE OUT
STV5112
Q704-712
C3
VM1
SP ASSY
3D SP BOX ASSY
R out
CRT SOCKET
G out
CRT
A51LPT70X
NECK ASSY
DY
Y21RSA-S
B out
R out
V out
U out
Y
 out
V in
U in
Y i
n
VM out
G out
B out
22
23
24
21
19
18
11
13
14
IK in
H. DRIVE
H. PULSE
E/W
VD+
VD-
VM DRIVE
Q5902/5906
H-OUT
Q511
2SC4927
V-OUT
IC503
TDA8172
HDT
T501
H-DRIVE
Q506
2SD774-34
PIN-CONT
IC502
NJM2903D
PIN-OUT
Q505
IRF614
PMC
L509
HLC
L510
FBT
T503
NX-1748
+B
Audio Front Vcc
*+audio 3D Vcc
*-audio 3D Vcc
+9V
11V
7V
+5V
5V REG & RESET
IC002 MM1319AF
9V REC IC603
5V REC IC604
STB TRANS
T604
SRT
T603
Additional
Color Matrix
SYSTEM
Ucom
IC001
CXP86441
RECEIVER
SBX1981-11
IC901
SIRCS
R G B
BLK
I2L
MEMORY
IC003
ST24C08FB6
32 31 30
37 39 40
15
28 29 30 31
F
STB SW TR
Q605 
2SK2845
POWER IC
IC601
STR-F6656
LINE FILTER
T601
LINE 
FILTER
T4601
T4602
THP
THP600
AC CORD
DGC
MAIN. TUVIF 
with
STEREO DECODER
(MSP3415)
<slave: 84H>
TU101
BTF-WG441(I)
<slave: C0H>
TEXT DECODER 
with Ucom
IC801
SAA5261
<slave: 58H>
V1
(KV-XF51M65)
A
R G B
BLK
DBFB
Q4206
AUDIO OUT
IC4200
TDA2009A
K1(KV-XF51M65 only)
H4(KV-XF51M65 only)
*KV-XF51M65 only
KV-XF21M30/XF21M50/XF51M65
RM-952
KV-XF21M30/XF21M50/XF51M65
RM-952
KV-XF21M30/XF21M50/XF51M65
RM-952
○○○○○○○○○○○
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
KV-XF21M30/XF21M50/XF51M65
RM-952
KV-XF21M30/XF21M50/XF51M65
RM-952
SECTION 6
EXPLODED VIEW
NOTE:
Items with no part number and no des-
cription are not stocked because they
are seldom required for routine service.
The construction parts of an assembled
part are indicated with a collation
number in the remark column.
6-1. CHASSIS
[
: BVTP3 
×
 12  7-685-648-79
L
: BVTP4 
×
 16  7-685-663-71
Items marked " * " are not stocked since
they are seldom required for routine
service. Some delay should be
anticipated when ordering these items.
The components identified by
shading and mark 
!
 are critical
for safety.
Replace only with part number
specified.
– 67 –
– 68 –
L
8
7
9
2
4
13
15
11
24
12
17 
41 
16
19
21
30
26
22
23
3
20
r
r
L
L
32
5
L
14
27
31
28
7
1
42
10
16
36
18
8
9
10
L
29
37
38
39
33
34
40
35
25
REF. NO. PART NO.
DESCRIPTION
REMARK
1
X-4036-424-1 BEZNET ASSY (KV-XF21M30)
2-6
X-4036-307-1 BEZNET ASSY (KV-XF21M50)
2-6
X-4036-410-1 BEZNET ASSY (KV-XF51M65)
2-6
2
4-047-464-01
CATCHER, PUSH
3
4-067-183-01
BUTTON, POWER
4
4-036-405-11
SPRING, COMPRESSION
5
4-067-181-01
BUTTON, MULTI
6
* 4-067-180-01
GUIDE, LIGHT
7
1-529-125-11
SPEAKER (13X7CM)
8
4-052-433-01
CUSHION, SPEAKER
9
4-302-404-03
SCREW (WASHER HEAD) (+P 4X16)
10
4-365-808-01
SCREW (5), TAPPING)
11
4-046-600-11
SPACER, DY
12
* 3-704-372-11
HOLDER, HV CABLE
13
! 8-738-812-05
PICTURE TUBE (A51LPT70X) (KV-XF21M50)
! 8-738-809-05
PICTURE TUBE (A51LPT70X)
(KV-XF21M30/XF51M65)
14
8-451-505-11
DEFLECTION YOKE  (Y21RSA-S)
15
* A-1331-884-A C3 BOARD, COMPLETE
16
4-369-318-61
SPRING, TENSION
17
! 1-416-946-11
COIL, DEMAGNETIC
18
! X-4036-465-1 REAR COVER ASSY
19
* 4-067-189-01
PWB(L), GUIDE
20
* 4-067-187-01
PWB(R), GUIDE
21
8-598-451-00
TUNER, FSS BTF-WG441
(KV-XF21M50/XF51M65)
8-598-451-10
TUNER, FSS BTF-WG441 (KV-XF21M30)
22
! 1-453-293-11
TRANSFORMER ASSY, FLYBACK
(NX-1748//M3A4)
23
* A-1298-793-A A BOARD, COMPLETE (KV-XF21M30)
* A-1298-829-A A BOARD, COMPLETE (KV-XF21M50)
* A-1298-788-A A BOARD, COMPLETE (KV-XF51M65)
24
4-057-714-01
PIECE ASSY, TLH CORRECTION
25
4-022-115-00
HOLDER, AC CORD
REF. NO. PART NO.
DESCRIPTION
REMARK
26
! 1-574-062-22
CORD, POWER (WITH CONNECTOR) 2.5A/250V
(KV-XF21M50/XF51M65)
! 1-574-358-51
CORD, POWER (WITH CONNECTOR) 7.5A/250V
(KV-XF21M30)
27
1-452-032-00
MAGNET,DISC
28
4-051-736-21
PIECE A(90), CONV. CORRECT
29
* A-1342-453-A VM1 BOARD, COMPLETE
(EXCEPT KV-XF21M63)
30
4-067-167-01
BRACKET,TERMINAL
(KV-XF21M30/XF21M50)
4-067-167-11
BRACKET,TERMINAL
(KV-XF51M65)
31
1-452-094-00
CIRCULAR DISC MAGNET B
32
4-069-651-01
SHEET, BLOTTING
33
* A-1241-355-A F BOARD, COMPLETE
34
* A-1347-155-A V1 BOARD, COMPLETE
(KV-XF51M65 ONLY)
35
* 4-068-953-01
BRACKET, V1 (KV-XF51M65 ONLY)
36
8-453-011-31
NA299-S2
37
* A-1372-601-A H4 BOARD, COMPLETE (KV-XF51M65 ONLY)
38
* A-1380-606-A K1 BOARD, COMPLETE (KV-XF51M65 ONLY)
39
* 4-067-188-01
BRACKET,H4-K1 PCB
(KV-XF51M65 ONLY)
40
* A-1388-241-A J3 BOARD, COMPLETE (KV-XF51M65 ONLY)
41
4-064-883-11
HOLDER, DGC
42
* X-4036-423-1 DOOR ASSY, CONTROL (KV-XF21M30)
X-4036-322-1 DOOR ASSY, CONTROL (KV-XF21M50)
X-4036-532-1 DOOR ASSY, CONTROL (KV-XF51M65)
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