Sony KV-PF21M70 Service Manual ▷ View online
– 57 –
KV-PF21M70/TF21M61/TF21M90/TF21P11
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.
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 (MEMONY), be sure to change IC001
(µ-COM) to the following new IC at the same time.
IC001 (µ-CON) : CXP86449-623S
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.)
– 58 –
KV-PF21M70/TF21M61/TF21M90/TF21P11
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
–
60
–
–
61
–
–
59
–
YC JUNGLE
IC301
CXA2130S
CXA2130S
<slave:88H>
MONITOR
OUT
OUT
TV V in
TV L in
TV R in
Mon out
TV V in
V1 V in
43
6
12
V1 V in
V1 L in
*V1 R in
*V2 R in
V2 V in
V2 V in
4
V2 L in
V out 2
L out 2
R out 2
JACK BLOCK
VIDEO IN 1
(KV-PF21M70/TF21P11)
AUDIO
PROSESSOR
PROSESSOR
IC203
TDA7429S
<slave: 80H>
AUDIO OUT
IC201
TA8248K
TA8248K
RED OUT
GREEN OUT
BLUE OUT
STV5112
Q704-712
Q704-712
C5
(Except KV-PF21M70)
/C3
(KV-PF21M70)
SP ASSY
(KV-TF21M61/TF21M90 only)
R out
CRT SOCKET
G out
CRT
A51LPT70X
A51LPT70X
DY
Y21RSA-S
Y21RSA-S
B out
R out
V out
U out
Y
out
V in
U in
Y i
n
G out
B out
22
23
24
21
19
18
11
13
14
IK in
H. DRIVE
H. PULSE
E/W
VD+
VD-
H-OUT
Q511
2SD2578
Q511
2SD2578
V-OUT
IC503
TDA8172
IC503
TDA8172
HDT
T501
T501
H-DRIVE
Q506
2SD774-34
Q506
2SD774-34
PIN-CONT
IC502
NJM2903M
IC502
NJM2903M
PIN-OUT
Q505
IRF614
Q505
IRF614
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
Additional
Color Matrix
Color Matrix
SYSTEM
Ucom
IC001
CXP86449
CXP86449
RECEIVER
SBX1981-51
IC901
IC901
SIRCS
R G B
BLK
I2L
MEMORY
IC003
ST24C08FB6
ST24C08FB6
32 31 30
37 39 40
28 29 30 31
F
STB SW TR
Q605
2SK2845
2SK2845
POWER IC
IC601
STR-F6654
STR-F6654
LINE FILTER
T601
LINE
FILTER
FILTER
T4601
T4602
T4602
THP
THP600
AC CORD
DGC
MAIN. TUVIF
TU101
BTF-WG441(I)
(KV-TF21M61/TF21M90)
BTF-LG433(I)
(KV-PF21M70 )
TU101
BTF-WG441(I)
(KV-TF21M61/TF21M90)
BTF-LG433(I)
(KV-PF21M70 )
<slave: C0H>
BTF-LG411
(KV-TF21P11)
BTF-LG411
(KV-TF21P11)
J401
(KV-TF21M61/TF21M90)
*6P
VIDEO IN 2
(FRONT)
(FRONT)
(KV-PF21M70/TF21P11)
J902
(KV-TF21M61/TF21M90)
*3P
TEXT DECODER
with Ucom
IC801
SAA5261
SAA5261
<slave: 58H>
(KV-TF21M61/TF21P11 only)
(KV-TF21M61/TF21P11 only)
V1
R G B
BLK
4P
2P
KV-PF21M70/TF21M61/TF21M90/TF21P11
RM-952
KV-PF21M70/TF21M61/TF21M90/TF21P11
RM-952
KV-PF21M70/TF21M61/TF21M90/TF21P11
RM-952
KV-PF21M70/TF21M61/TF21M90/TF21P11
RM-952
– 90 –
– 91 –
– 92 –
KV-PF21M70/TF21M61/TF21M90/TF21P11
RM-952
KV-PF21M70/TF21M61/TF21M90/TF21P11
RM-952
TRANSISTOR
UN2111
UN2211
UN2213
DTC114EK
UN2216
2SA1162-G
2SC1623-L5L6
2SC2712-YG
2SD2114K
UN2211
UN2213
DTC114EK
UN2216
2SA1162-G
2SC1623-L5L6
2SC2712-YG
2SD2114K
2SC2785-HFE
2SA1091-O
2SD2394-EF
2SD2144S-UVW
E
B
C
E C
B
LETTER SIDE
E C B
E
C B
2SC2611
2SC4927-01
2SD774-34
RF614
2SK2845-LB102
B
C
E
D1
G1
S1
NC
S2
G2 D2
E
LETTER SIDE
C B
5-5. SEMICONDUCTORS
ON3171-R
D1NS4
D1N20R
RD20ES-B2
RD30ESB2
RD6.8ES-B1
RD9.1ES-L2
1SS119-25
D1N20R
RD20ES-B2
RD30ESB2
RD6.8ES-B1
RD9.1ES-L2
1SS119-25
5P6M
DA204K
FMU-G26S
DIODE
AK04V0
AU-01Z-V1
EL1Z
GP08D
RD33EB3T
RGP02-17EL-6433
AU-01Z-V1
EL1Z
GP08D
RD33EB3T
RGP02-17EL-6433
D4SB60L
ERC04-06SE
ERC06-15S
RN4Z
31DQ06-FC5
ERC06-15S
RN4Z
31DQ06-FC5
ERA22-08
ERD29-08J
ERD29-08J
MA111-TX
1SS355TE-17
DTZ-TT11-15B
RD10S-B
RD5.1SB-T2
RD9.1S-B
UDZS-TE17-6.8B
1SS355TE-17
DTZ-TT11-15B
RD10S-B
RD5.1SB-T2
RD9.1S-B
UDZS-TE17-6.8B
2
1
3
4
1
4
3
CATHODE
ANODE
CATHODE
ANODE
GATE
3
1
2
1
3
2
1
1
2
2
3
3
CATHODE
ANODE
CATHODE
ANODE
CATHODE
ANODE
IC
CXA2130S (64PIN)
CXP86469-615S (64PIN)
SAA5261 (52PIN)
ST24C08FB6 (8PIN)
TDA7429S (42PIN)
CXP86469-615S (64PIN)
SAA5261 (52PIN)
ST24C08FB6 (8PIN)
TDA7429S (42PIN)
MM1319AFBE (7PIN)
NJM2903M (8PIN)
NJM2903M (8PIN)
NJM78M09FA
TA7805S
TA7805S
SBX1981-51
SE-135N
1
TOP VIEW
Dual In-line Package
Pin 6~98
Pin 6~98
TDA8172
STR-F6654
RU-1P
S-80743AL-A7-S
TA8248K
CATHODE
ANODE
RD3.3M-B2
RD5.6M-B2
RD5.6M-B2
DAP202K
3
1
2
1
3
2
3
1
2
1
3
2
SPB-26MVWF
LED
CATHODE
ANODE
(GRN)
ANODE
(GRN)
E C B
G
S
D
E
B
C
Single In -line Package
Pin 6~98
Pin 6~98
1
TOP VIEW
Zig-zag In -line Package
Pin 6~99
Pin 6~99
MARKING SIDE VIEW
1
39
40
26
52
14
27
1
13
MARKING SIDE
VIEW
VIEW
1
3
2
1
n
LA6510
10
1
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