Sony KP-43T75C / KP-53SV75C / KP-61SV75C Service Manual ▷ View online
– 41 –
KP-43T75C/53SV75C/61SV75C
RM-Y906
RM-Y906
RM-Y906
5-1. TV INPUT SUB CONTRAST ADJUSTMENT
(VPNT-SCON)
1. Receive the color-bar signal.
2. Mode
2. Mode
: Personal 1 or 2.
PICTURE
: maximum
COLOR
: maximum
BRIGHTNESS
: center
TRINITONE
: medium
SERVICE DATA VPNT SCON
: 7
3. Set to service mode.
4. Connect an oscilloscope between pin
4. Connect an oscilloscope between pin
7
of CN204 (A board)
and ground.
5. Select “ VPNT-SCON ”, and adjust so that the wave from
level is 1.80
±
0.05Vp-p.
6. Write the data into memory.
MUTING n
ENTER
White
1.80
±
0.05Vp-p
Black
Fig. 5-1
SECTION 5
CIRCUIT ADJUSTMENTS
5-2. VIDEO INPUT SUB-HUE AND SUB-COLOR
ADJUSTMENT (VPNT-SHUE, SCOL)
1. Select VIDEO1 input and supply the color-bar signal.
2. Mode
2. Mode
: Personal 1 or 2.
PICTURE
: maximum
COLOR
: center
BRIGHTNESS
: center
TRINITONE
: medium
SERVICE DATA VPNT-SHUE
: 7
SERVICE DATA
VPNT-SCOL
: 7
3. Set to service mode.
4. Connect an oscilloscope between pin
4. Connect an oscilloscope between pin
5
of CN204 (A board)
connecter and ground.
5. Select “ VPNT-SHUE, SCOL ”, and adjust them to have VB1
= VB4 and VB2 = VB3 in the waveform levels.
6. Increase SCOL by 2 steps.
7. Write the data into memory.
7. Write the data into memory.
MUTING n
ENTER
VB1 VB2 VB3 VB4
Fig. 5-2
5-3. COMPONENT INPUT SUB-HUE AND SUB-COLOR
ADJUSTMENT (DAC-UVSH, UVSC)
1. Select VIDEO 4 and supply the color-bar signal.
VIDEO input
2. Mode
: Personal 1 or 2.
PICTURE
: maximum
COLOR
: center
BRIGHTNESS
: center
TRINITONE
: medium
SERVICE DATA DAC UVSH
: 31
SERVICE DATA
DAC UVSC
: 31
3. Set to service mode.
4. Connect an oscilloscope between pin
4. Connect an oscilloscope between pin
5
of CN204 (A board)
connecter and ground.
5. Select “ DAC-UVSH, UVSC ”, and adjust them to have VB1
= VB4 and VB2 = VB3 in the waveform levels.
6. Write the data into memory.
MUTING n
ENTER
VB1 VB2 VB3 VB4
Fig. 5-3
5-4. P & P SUB CONTRAST ADJUSTMENT
(SC-SYDR)
1. Receive the signal.
TV terminal (sub)
: color-bar signal
VIDEO terminal (main) : no signal
2. Set to service mode and set to P & P mode.
3. Connect an oscilloscope between pin
3. Connect an oscilloscope between pin
7
of CN204 (A board)
and ground.
4. Select “ SC-SYDR ”, and adjust so that the wave from level
is 1.65
±
0.05Vp-p.
5. Write the data into memory.
MUTING n
ENTER
White
1.65
±
0.05Vp-p
Black
Fig. 5-4
– 42 –
KP-43T75C/53SV75C/61SV75C
RM-Y906
RM-Y906
RM-Y906
5-7.
PIP POSITION ADJUSTMENT
(PI-PIPH, PIPV)
1. Set the PIP mode.
2. Receive the monoscope signal on the main/sub picture.
3. Check the sub picture position.
2. Receive the monoscope signal on the main/sub picture.
3. Check the sub picture position.
X1-X2
0.25sq
X1-X2
0.25sq
4. If necessary set to service mode and adjust "PIPH", "PIPV".
5. Write the data into memory.
5. Write the data into memory.
MUTING n
ENTER
Fig. 5-7
5-5.
SUB-HUE , SUB-COLOR AND MAIN
CONTRAST ADJUSTMENT (MC-MYDR,
MSHU, MSCL, SC-SSHU, SSCL)
1. Receive the color-bar signal.
2. Mode
2. Mode
: Personal 1 or 2.
PICTURE
: maximum
COLOR
: center
BRIGHTNESS
: center
TRINITONE
: medium
SERVICE DATA MC-MYDR
: 22
SERVICE DATA
MC-MSHU
: 31
SERVICE DATA
MC-MSCL
: 31
SERVICE DATA
SC-SSHU
: 31
SERVICE DATA
SC-SSCL
: 31
3. Set to service mode and set to P & P model .
4. Connect an oscilloscope between pin
4. Connect an oscilloscope between pin
5
of CN204 (A board)
connecter and ground.
5. Select “ MC-MYDR”, and adjust them to have VB1 = VB5
in the waveform levels.
6. Select “ MC-MSCL, SC-SSCL” and adjust so that the wave
form shows VB1=VB4 and VB5=VB8.
7. Select “ MC-MSHU, SC-SSHU” and adjust so that the wave
form shows VB2=VB3 and VB6=VB7.
8. Write the data into memory.
MUTING n
ENTER
VB1 VB2 VB3 VB4 VB5 VB6 VB7 VB8
Fig. 5-5
X1 = X2
X1
X2
5-6.
BAR DISPLAY POSITION ADJUSTMENT
(OP-DISP)
1. Receive the monoscope signal.
2. Set to service mode.
3. Push “ PICTURE +” . (Bar is displayed)
4. Select “ OP-DISP ” , and adjust so that the bar is as shown in
2. Set to service mode.
3. Push “ PICTURE +” . (Bar is displayed)
4. Select “ OP-DISP ” , and adjust so that the bar is as shown in
the figure.
5. Write the data into memory.
MUTING n
ENTER
Fig. 5-6
Y2
X2
X1
Y1
– 43 –
– 44 –
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM (1)
1
2
15
16
17
18
43
60
61
62
51
53
52
32
33
34
35
35
36
37
45
46
7
8
6
57
58
22
47
49
48
50
9
11
12
63
64
23
14
44
55
13
21
20
56
I-2HSYNC
I-HSYNC
SUBTU AFT
MAINTU AFT
O-MONO
O-SAP
I-SAPN
I-STEREN
O-2MUTE
O-MUTE
O-AGC ATT
ANT SW1
ANT SW2
O-R
O-G
O-B
O-I
O-OSDYS
O-DISPYM
O-SBLK
O-MBLK
I-HP
I-VP
I-BINTN
O-YUVMT
IC002
SYSTEM CONTROL
IC004
EEPROM
IC001
RESET
28
5
17
18
IN1
IN2
SCL
SDA
IC403
D/A CONVERTER
O-SPK MT
I-APROT
21
12
OUT1
OUT2
7
11
5
IN+(L)
IN+(R)
MUTE
IC406
L/R AMP
4
8
2
10
OUT(L)
IN-(L)
OUT(R)
IN-(R)
IO-SDAT
O-SCLK
IO-B DAT
O-B CLK
5
6
B DAT
B CLK
I-RESET
O-OSC
I-OSC
4 RESET
O-SIRCS
I-RMCN
O-GRAY
KEY
I-POWERN
O-TMRLED
MENU
I-OVP
I-OCP
O-RELAY
TO
A
BOARD
TUNER
BLOCK
BLOCK
TO
A
BOARD
VIDEO
BLOCK
TO A
BOARD
PJED
BLOCK
STUH
MTUH
STU AFT
MTU AFT
MONO
SAP
SAP IND
ST IND
STU AUMT
MTU AUMT
AGC ATT
ANT SW1
ANT SW2
MICRO R
MICRO G
MICRO B
MICRO I
OSD YS
DISP YM
SBLK
MBLK
HP
VP-BUFF
HP
VP-BUFF
B INT
TO A
BOARD
TUNER
BLOCK
BLOCK
FOR
CHECK
YUV MT
TO A
BOARD
TUNER
BLOCK
BLOCK
ML OUT1
HR OUT1
TO A
BOARD
TUNER
BLOCK
BLOCK
P-MUTE
TO A
BOARD
VIDEO
BLOCK
GRAY
TO A
BOARD
TUNER
BLOCK
BLOCK
R OUT
L OUT
TO A
BOARD
TUNER
BLOCK
BLOCK
RM IN
TO A
BOARD
TUNER
BLOCK
BLOCK
S OUT
SWITCH
Q024
CONTROL
SWITCHES
S1201-1206
MENU
SWITCHES
S1251-1255
POWER
S1207
TIMER/STANDBY
SWITCH
Q007
LED BUFF
Q006
X001
16MHz
SDA
SCL
+11V
STBY
+5V
L/R MUTE
Q403, 404
PROTECT
Q408-411
OFF MUTE
Q402
ON MUTE
Q401
1
2
3
4
L
E
R
E
CN403
11
10
3
BCLK
B DAT
SIRCS
8
7
4
OVP
OCP
RELAY
CN681
1
MENU KEY
CN1202
1
2
OUT
MENU KEY
SIRCS
CN1252
CN1291
6
7
8
9
2
3
4
5
6
KEY
POWER
TIMER LED
MENU
SIRCS
KEY
POWER
TIMER LED
MENU
CN002
CN1203
CN003
IC404
5
6
7
IC404
3
2
1
STBY +5V
D1201
D1291
REMOTE SENSOR
A
(1/4)(AUDIO, SYSTEM CONTROL)
(2/2)
HA
(CONTROL SWITCHES)
HC
(REMOTE SENSOR)
HB
(MENU SWITCHES)
G
TO G
BOARD
CN605
– 46 –
– 45 –
BLOCK DIAGRAM (2)
3
1
2
4
3
1
2
4
3
1
2
4
63
62
64
54
60
59
61
12
10
14
8
9
11
19
17
21
15
16
18
24
28
38
58
56
34
33
4
2
1
7
3
5
41
41
23
25
43
45
37
39
6
15
14
4
13
3
1
11
10
9
2
12
5
11
40
52
I
O
J1103
Q1110
Q1105
Q1101
Q1108
Q1109
J1104
J1105
J1106
J1101
J1102
Y IN
DV IN
V OUT
V IN
Y OUT
U OUT
DU IN
U IN
DVD SW
DVD SW
DVD SW
INH
ADIN
CKIN
YOUT
COUT
MTV R
MTV V
MTV L
STV R6
STV V6
STV L6
Y IN2
C IN2
C OUT2
Y OUT2
V3
L3
Y3
R3
C3
SSW-3
R OUT
L OUT
V2
L2
Y2
R2
C2
SSW-2
V1
L1
Y1
R1
C1
SSW-1
MAIN V OUT
SSW-4
Y4
FR Y IN
FRONT SW
FR C IN
FR V IN
FR L IN
FR R IN
FR Y OUT
FRONT SW
FR C OUT
FR V OUT
FR L OUT
FR R OUT
AUDIO BUFFER
AUDIO BUFFER
Q1115,1116
VIDEO BUFFER
FL1702
+11V
IC1701
5V REG
REG 5V
VIDEO
AUDIO
R
IN
VIDEO2
S VIDEO
L(MONO)
HR OUT1
ML OUT1
HR OUT1
ML OUT1
DET OUT 2
L OUT
R OUT
DET OUT
AFT OUT
ST IND
SAP IND
RF AGC
MODE
F MONO
MUTE
SDA
SCL
DET OUT
DE-EM OUT
AFT OUT
MUTE
SDA
SCL
SDA
SCL
SDA
SCL
BUFFER
H.SEP
SWITCH
Q152
Q004
Q151
BUFFER
H.SEP
Q153
Q001
DET OUT
AFT OUT
ST IND
SAP IND
RF AGC
MODE
F MONO
STUH
STUAFT
STUAUMT
ANT SW1
ANT SW2
SYSTEM CONTROL
BLOCK
TO A BOARD
SYSTEM CONTROL
BLOCK
TO A BOARD
MTU AUMT
SAVA CONT
BUFFER
SIRCS MIX
BUFFER
Q1121
Q1114
Q1111
Q1106,1107
Q1117
Q1122
Q1920
Q1118,1125
Q1119,1124
BUFFER
BUFFER
V BUFFER
MUTE BUFFER
MUTE BUFFER
Q1112,1113
Q1914
Y BUFFER
IC1101
A/V SWITCH
Q1103,1104
Q1701
BUFFER
FL1701
Q1702,1703
BUFFER
IC1702
COMB FILTER
BUFFER
Q1102
IC1903
YUV SWITCH
SYSTEM CONTROL
BLOCK
FROM A BOARD
TO A BOARD
SYSTEM CONTROL
BLOCK
SYSTEM CONTROL
BLOCK
FROM A BOARD
MTU AUMT
P MUTE
YUV MT
ANT SW1
ANT SW2
3
1
ANT
SW
TU151
MAIN TUNER
TU152
SUB TUNER
IN
VIDEO 1
S VIDEO
VIDEO
AUDIO
R
L(MONO)
AUDIO
R
Y
L(MONO)
IN
S VIDEO
VIDEO
VIDEO 3
PB
PR
VIDEO
AUDIO
R
L
AUDIO OUT
(VAR/FIX)
MONIT OR
OUT
R
L
CONTROL
S
OUT
SC OUT1
SWITCH
Q005
SWITCH
Q003
CN004
BUFFER
BUFFER
BUFFER
BUFFER
Q1704
Q1705
Q1707,1708
Q1706,1709
(LINE IN 1)
HB
(1/2)
(TUNER, VIDEO, AUDIO IN/OUT)
A
(2/4)
FL1703
DY IN
SDA
SCL
SDA
SCL
SY OUT1
10
7
9
5
3
1
10
7
9
5
3
1
CN1702
CN1253
J1251
L OUT
R OUT
S OUT
RM IN
1
Click on the first or last page to see other KP-43T75C / KP-53SV75C / KP-61SV75C service manuals if exist.