Sony KP-43T85T Service Manual page 43

A BOARD SCHEMATIC DIAGRAM (3 OF 3)
1 | 2 | 3 | 4 | 5 | 6
Y
A
—
5V
IC301
TC74HC4066AF
YUV SW
0.3
VCC
B 0.5 SW 5.0
A CONT A
0
SW CONT D
0.5
B
0 SW C330
D 0.1
25V
B:CHIP
CONT B
— SW
C
CONT C
C
Y
MAIN Y
Y
TV OUT TV OUT
—
SCP
D
DV
DVD V
DU
DVD U
—
YUVSW
SCL
SCL
SDA
SDA
E EY
EY
EU
EU
EV
EV
GRAY
GRAY
—
+5V
F
—
VP-BUFF
G
HP
—
H
TO (1/3)
—
PIP 9V
I
Q1701
2SD601A
—
VIDEO 4.4
R1708
MAIN V 560 1
:RN-CP
3.7 FL1701
R1707
C1719 6
1k
J 15p
:CHIP CH:CHIP
IC1701
R1706
12 NJM7805FA
3W
:RS
— +11V I O
G
IC1702
C1714 TC90A49F(ELP)
C1712 0.01 COMB FILTER
10 B:CHIP
C1704 C1703 C1702 C1701
100 0.01 0.01 22
16V B:CHIP B:CHIP 25V AVDD VOUT
K
1.1
BIAS BIAS1
C1717
0.01 B:CHIP 3.2
TU5V
VRT BIAS2
C1716
0.01 B:CHIP
— 3
NC NC
VIDEO 2.4
ADIN COUT
C1715
0.01 B:CHIP 1.8
VRB AVSS
C1725
L 0.01
B:CHIP
DVDD AVDD
L1701
C1726
:LAV35 10
DVSS FIL
C1708
10
— NC 4 NC
C1709
0.01
B:CHIP
DVDD CKIN
4.0
SDA
SDA KILLER
R1710
M
220 :CHIP 3.9
SCL
SCL TEST
R1711
220 :CHIP
C1727
47
25V
—
PB1/HSYNC
FSC
COMB C
N COMB Y
C
SUB V/Y
Y
SUB C
—
O
A (3/3) BOARD WAVEFORMS
1 2 3 4 5
6.5 Vp-p (H) 5.0 Vp-p (H) 1.8 Vp-p (H) 0.5Vp-p (0.275usec) 0.7 Vp-p (H)
| 7 | 8 | 9 | 10 | 11 |
Y
EYUVSW
IC302
TC7SH04F
INV.
R305
100
C331 :CHIP
22 C332
25V 0.1
25V 5.0
B:CHIP
Y
C329 L212 R340 R344
C328 R342 R343
0.01 22 470 100
25V :LAV35 :CHIP 1k 22k :CHIP
B:CHIP :CHIP :CHIP
6.0 Q228
2SD601A
Y 3.5 Q227 3.6
6.0 BUFF.
2SD601A
PEAKING2
Q226 R339 5.3
2SD601A 3.0 1k
PEAKING1 2.8 R335 R336 R337
R338 :CHIP
470 1k 1k C314
:CHIP 15k
:CHIP :CHIP :CHIP 22
25V
R320
10k 4.2 Q306
2SD601A C324
Q305 :CHIP
DCT114EKA SW 0.01
B:CHIP
SW
4.2
3.7
0.7 R356
3.3k
:CHIP
R357
470
:CHIP
Y
PIP +9V
Q1702
1.6
2SD601A
C1730
0.47
C1706 C1707
2 3 0.01
22
3.4 B:CHIP 25V 1.0 R1724
470
R1712 R1721 2.8 :CHIP
220
5.6k
:RN-CP Q1703
4 :RN-CP
2SD601A
R1722
VIDEO
300
:RN-CP
R1739
1k
:CHIP
R1726 R1747
C1728 2.2k 100 8.7
10 :CHIP :CHIP
Q1706
8.0 Q1709
6 2SD601A
2SB709A
2.4 2.8
4.6
C1721
1 2 3
1.9 0.01 B:CHIP C1729 R1728
0.01 560 2.2
B:CHIP 3.0 :RN-CP FL1703
C1720 R1736
3.2 0.01 B:CHIP 470 R1743
Y 680
6 4 :CHIP
:CHIP
2.4 R1738
5 470
:CHIP
C1735
2.6 Q1705 C1732 R1730
2SB709A 270p
15p 5.6k CH:CHIP
:RN-CP
CH:CHIP
C1724 C1722
0.01
10 R1725 R1742 R1746
B:CHIP
2.2k 1k 100
:CHIP :CHIP :CHIP
C1710 180p CH:CHIP
9.0
2.2
Q1707
8.0
R1727 2SD601A
Q1708
560
2SB709A
:RN-CP 2.9
R1702 C1711
820 0.01
:CHIP 4.8
B:CHIP
1 2 3
2.5
3.2 2.3 R1745
Q1704
680
C 2.6 2SB709A FL1702
C1705 :RN-CP
0
0.01 B:CHIP R1741
6 4 470
R1714 :CHIP
0 0 :CHIP
Y
R1713 C1731
R1729
0 15p
CH:CHIP 5.6k
:CHIP :RN-CP
C
6 7 8
4.5Vp-p (20.48MHz)
1.6 Vp-p (H) 2.1 Vp-p (H)
12 | 13 | 14 | 15 | 16 | 17 |
9V
R1937
D1905
10k R1944
:CHIP 1SS355-TE17 10k
:CHIP
R1928 100 :CHIP
Y C1920
0.1 R1927 100 :CHIP
25V
B:CHIP
C1938
C1922
0.1 0.01
Q1913 B:CHIP
25V 2SD601A
D1903 B:CHIP 0.1 IC1904
1SS355-TE17 BUFFER
CXA1315M-T4 C1937
22
0 0.1 25V
C1911
R1911 FULL VCC
22
4.7k 25V R1941 DVD
:CHIP 3.7 R1954
10k :CHIP
NC SCL
R1929
12k 0.4 4.1
:CHIP
DVD SW2 SDA
C1910
0.01
B:CHIP DVD SW SDA2
5.5
COL SDA1
24 23 22 21 20 19 18 17 16 15 14 13
4.4
R1912 HUE SDA0
IC1901
4.7k 0.4
:CHIP CXA2039M-T6
MAIN H LOCK
CONTOLLER
YSW
GND RESET
1 2 3 4 5 6 7 8 9 10 11 12
7
R1930
D1902
+9V 1SS355-TE17 0
:CHIP
Y
R1901
1k
:CHIP
C1974
0.01
B:CHIP
R1905
4.7k +5V
:CHIP
R1906 R1909
1.3 4.7k 4.7k C1904
:CHIP :CHIP 0.01
0.7 B:CHIP
Q1903
2SB709A
1.1
BUFFER
Q1907
0.5
2SB709A
BUFFER
Q1905 1.3
2SB709A
0.7
BUFFER
Q1915
2SD601A
BUFFER
0 R1952
1k
:CHIP
Q1909
2SD601A
BUFFER
R1917
3.3k D1904
C1940 C1945 0
:CHIP 1SS355-TE17
22 0.01
25V B:CHIP 2.4
2SB709A
1.7
0.8
R1914 C1909
1k 0.22
:CHIP 16V
B:CHIP 1.8
R1923
C1913 R1920
:CHIP
1 10k
16V :CHIP
F:CHIP
PIP +9V
Q1914 R1943
C1977 C1978 2SB709A
1.5k
0.01 0.01 Y-BUFF :CHIP
B:CHIP B:CHIP
5.1
IC1903
4.4
BU4053BCF-T2
5.1 YUV SW
Q1921 R1987
2.6 2SD601A 100k
2.6
BUFFER :CHIP
Q1920 DY IN VCC
4.0 4.0
R1988 R1983 2SD601A
BUFFER Y IN Y OUT
4.7k 4.7k 1.9 1.9 3.0
:CHIP 2.0 :RN-CP
DV IN U OUT
R1956 3.0
6.2k 2.0
V OUT DU IN
:RN-CP 3.0 3.0
R1957 V IN U IN
470
0.4
R1989 R1990 :CHIP INH DVD SW
6.2k 470
0.4
:RN-CP
GND DVD SW
0.4
C1939
GND DVD SW
0.01
B:CHIP
X1902
C1930
12p CH:CHIP 3.579MHz
C1971
C1970 0.1
R1936 C1931 C1932 0.1 25V
C1925 C1968 C1969 X1905 R1750 0.01 25V F:CHIP
12p 1.5k 1.5k 22 F:CHIP
0.47 12p 3.575MHz :CHIP B:CHIP 25V
16V CH:CHIP CH:CHIP :CHIP
F:CHIP
C1923
R1749 1.5k :CHIP
470p R1932
B:CHIP X1904
15k 3.582MHz
:CHIP
4.6
Q1906 C1972
C1908 0.1
2SD601A 0.01
30 29 28 27 26 25 24 23 22 21 25V
SUB C-BUFFER B:CHIP F:CHIP
C1905
22
4.4
25V 3.0 R1950
31 SGND V OUT 20 100 :CHIP
3.8 R1949
3.8 3.0
R1908 32 CIN U OUT 19 100 :CHIP
1k R1948
4.1 4.0
:CHIP C1906 33 18 100 :CHIP
0.22 16V B:CHIP C1921 4.7 APED Y OUT
5.1
IC1902 R1947
34 CVBS/Y IN SGND2 17
2.9 CXA2019AQ-T4 0.8 0 :CHIP
SUB-DECODER
35 ADRS SCP 16
R1919
SCL 100 :CHIP
36 SCL HTIM 15
R1918 4.1 0.2
SDA 100 :CHIP
37 SDA VTIM 14
C1936 4.2 4.4 C1935 0.1 25V B:CHIP
0.01 C1915 1.0 16V F:CHIP
38 VSYNC RV IN 13
B:CHIP R1913 3.5
R1916 4.4 C1934 0.1 25V B:CHIP
4.4 2.2k 680 :CHIP 39 HSYNC RU IN 12
:CHIP
2.7 4.4
R1915 40 VHOLD RY IN 11
Q1904 C1914
2SD601A 220 :CHIP 0.0047 B:CHIP
R1942 4.0 C1933
SUB Y-BUFFER 3.8 100 0.1
:CHIP 3.4 25V
R1921 B:CHIP
330k :CHIP
1 2 3 4 5 6 7 8 9 10
R1907 R1910 Q1908
3.3k 2SB709A C1918
1k
:CHIP :CHIP BUFFER 0.47 2.4
16V R1945
C1907 F:CHIP R1926 100
:CHIP
100p 680
CH:CHIP :RN-CP
R1931 R1940
100
8.2k
X1901 :CHIP :CHIP
R1935
500KHz
10k
:CHIP
C1924
1
C1927
0.01
B:CHIP
C1928
C1926 0.01
22 B:CHIP
25V
— 43 —
18 | 19 | 20 | 21 | 22
A (3/3) BOARD : IC1902 2019AQ-T4
+5V
35
2
I C BUS
DECORDER
100 :CHIP
SCL
R1953
100 :CHIP
SDA
The sub picture bright and white balance
can be adjusted by receiving BGP or
SCP output from the main picture Y/C/J,
clamping the PINP PROC. output, and
varying the DC of the clamped portion.
CV/YC
+5V
CVBS/Y IN 34
VIDEO
SW
CIN 32
C1976
0.01
B:CHIP
IC1905
SDA9288XE-GEG
PIP PROCESSOR
C1948 C1960 C1962
0.01 0.01 0.01 C1963
B:CHIP 2.3 B:CHIP B:CHIP 1 ACC
VSSA1 VIN
3.1 4.0
C1949
VREFL VREFH
1
X1903
C1947 20.48MHz 2.5 2.3
33p XIN 8 UIN
CH:CHIP
3.3
C1946
XQ VDDA1
FB1902 33p
BLM601 CH:CHIP 2.4 C1967
22
VDD YIN
25V
C1942 C1944 C1975
22 0.01 0.01
B:CHIP B:CHIP VSSA2 VSS
25V
0.7
S GND 31
C1964 C1966
V OUT SYS 0.1 0.1
R1962 C1951 C1953
680 0.01 0.01 0 25V 25V
:RN-CP B:CHIP B:CHIP Y OUT HVI B:CHIP B:CHIP
R1961 0.7
680
U OUT SW2
:RN-CP
R1980
VDDA2 SW1 220
R1963
C1941 R1960 6.8k :CHIP 2.0 3.9 :CHIP
680 SCL
22 IREF SCL
25V :RN-CP
0 4.0
SDA
SEL SDA
R1959 R1979
1k 0.8
0 220
:CHIP C1950 SELD S.HSYNC :CHIP
0.01
2.9 0.2
B:CHIP
R1958 VBB S.VSYNC
2.2k
:CHIP 0.7
ADR M.HSYNC
0.2 1
VSS M.VSYNC
2
R1968 C1959
1k 100p
:CHIP
CH:CHIP
R1967 C1958
1k 100p
:CHIP CH:CHIP
R1924 R1934 C1929
0.01
1k 1k
:CHIP :CHIP B:CHIP
R1966 R1972
Q1910
470 2.2k
:CHIP :CHIP
0.8
INV
Q1911 R1965
1.2
2SD601A 100
INV :CHIP
R1925
1k R1933
1k
:CHIP 0.5 100
:CHIP
Q1918
R1978
2SD601A
R1976 22k
560 :CHIP BUFFER
:CHIP
C1952
22
25V C1954
6.2
R1986 0.01
B:CHIP
100k 5.5
:CHIP 3.1
Q1917 R1981
2SD601A 1k
:CHIP
4.0 Y AMP
R1970 2.4
Q1916 R1977 C1961
820 :CHIP
2SD601A 12k 22
R1984 :CHIP
47k Y-BUFF. 25V
2.5
:CHIP
R1975
R1969 C1955 470
470 220p :CHIP
R1964
:CHIP CH:CHIP
330
:CHIP
+5V
L5108
C5172
0.1
25V :LAV35 IC5004
F:CHIP
TDA4662T
R1985
DELAY LINE
47k
:CHIP
ASV
C517
10
AGNB
2.9
R-YOUT NC
2.9 0.8
B-YOUT SCP
R5172
100
:CHIP
NC
C5107
0.1
1.4 25V
F:CHIP
B-YIN SGND
C5167
10
NC NC
1.4
DSV
R-YIN
C1973 L5107
0.1
25V :LAV35
F:CHIP
(P IN P,COMB FILTER)
RA3B-915-A P3
KP- 43T85T / 53SV85T / 61SV85T
37 36 4 39 5 3 2 1 16 15 38 40 14 6 7 8
V2 PED U2 PED
Y2 DRIVE
V2 DRIVE U2 DRIVE ABL CENT
32f H
VCO
ABL 9 ABLFILIN
H.SYNC PHASE V.SYNC V COUNT
1/32 H.DRIVE
IREF SEP DET. SEP DOWN
Y2 DRIVE 11 Y2 IN
2f H
U2 PED U2 DRIVE 12 U2 IN
AFC HLOCK C MODE 50/60
V2 PED V2 DRIVE 13 V2 IN
10 CP IN
SHP f0
SUB CONT
SECAM DELAY SHARPNESS
Y DRIVE U PED V PED
TRAP ON PRE OVER DC TRAN
17 SGND2
SUB
TRAP
CONT TRAP
AUTO
DELAY SHARPNESS CLAMP 18 Y OUT
PEDESTAL Y DRIVE
SUB COLOR NT/PAL U PED 19 U OUT
SUB HUE
V PED 20 V OUT
NT/PAL 2f H
ACC
HUE
DET.
PAL ID F.F
TOT ON
TOT
ID AXIS
BST AMP
DELAY
COLOR
COLOR PHASE DEM CHROMA
KILLER DET. AXIS DET.
HUE
COLOR
KILLER
LPF CHROMA PHASE
DET
VCO SHIFT
SECAM SW
4.43/3.58
X'TAL PIN
SW CLAMP NT/PAL
EXT COLOR
30 25 29 28 27 26 33 23 24 22 21
A (3/3) BOARD : IC1903 BU4053BCF-T2
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8
A (3/3) BOARD : IC1904 CXA1315M-T4
13 12 11 2 1 9 10
LEVEL CONVERTION LATCH LEVEL CONVERTION
SDA
14
LEVEL
CONVERTION
SCL 15
2
I C DECODER
POWER
ON
RESET
LATCH LATCH LATCH LATCH LATCH
Vcc 16 DAC DAC DAC DAC DAC
+
Vcc
REG
AMP AMP AMP AMP AMP
8 3 4 5 6 7
GND