Sony KDL-40X4500 Service Manual page 30

A B C D E F
1
AE - EG1H
3.3V LINEAR REGULATOR
IC1900
2 PQ070XNA1ZPH
6.1V
JL1900
1 2 3 4 5
R1913
3 XX
C1901 C1902
47 0 . 1 GND_1 JL1901
16V 16V
1005
CL1901
R1901
1k
1/16W
CHIP L1901
C1906 10uH
5% GND_1 GND_1 3216
X7R C1907
R1906 R1908 10V
3 . 3 k 3 . 3 k C1911
10 47
1/16W 1/16W
RN-CP RN-CP 6.3V
XX
0.5% 0.5%
C1900
0 . 1
4
16V GND_1
V r e f = 1 . 2 5 v
t o c r e a t e R1907
1k
t i m e c o n s t a n t C1905
1/16W XX
o f 9 3 u S RN-CP
0.5%
GND_1
GND_1 GND_1
5
31V_TUNER BOOST REGULATOR
+5V
6
LA5795T-TLM-E
IC1901
C1903
4 . 7
16V C1904
X7R 100p
3216 50V
7
CH
1005
GND_1
GND_1
C1962 C1961 C1908
XX
0 . 1 0 . 2 2
25V 25V
X7R X7R
1608 1608
4 V c c a c r o s s
t h i s c a p a c i t o r
8
GND_1
9
10
11
SPRING GROUND CONNECTIONS UNDER TUNER
ET1900XX
ET1901 XX
12
ET1902
ET1903 XX
ET1904 XX
13
ET1905
ET1906 XX
ET1907 XX
XX
ET1908
14
XX
ET1909
XX
ET1910
15
LOGIC AND VOLTAGE SWITCHING
+3V3_DEMOD
16
R1904
1k
DIGITAL_TV_SEL
Q1900
ANALOGUE_TV_SEL
UNR52A1G0LS0
17
ANALOGUE_TV_SEL
GND_1
18
TUNER_SW ANALOGUE_TV_SEL DIGITAL_TV_SEL TUNER CONDITION
+3V3
L O W L O W H I G H D I G I TA L
H I G H H I G H L O W A N A L O G U E
R1919
XX
19
+3V3_DEMOD
Q1904
2SA2048TL QR
+3V3_DEMOD
20
R1905 R1920
470
1k
DIGITAL_TV_SEL
Q1911
UNR52A1G0LS0
21
GND_1
22
A B C D E F
G H I J K L
+5V +5V_ANALOGUE
R1923
0
XX
FL1901
R1918 +3V3_DEMOD
EMI
0
+3V3
JL1903
XX C1922
C1920 0 . 0 1
FL1900 100
25V
6.3V X7R
EMI 1005
C1915 C1919
C1918 0 . 0 1
0 . 1 100
25V
16V 6.3V X7R GND_1 GND_1 GND_1
1005
GND_1
GND_1 GND_1 GND_1 GND_1
ANALOGUE_TV_SEL
R1925
001:13E TUNER_SW
R1924 47
47 C1921
1/16W
0 . 1
CHIP 16V
5%
GND_1
C1913 C1957 C1958
0 . 2 2 0 . 1 XX
25V 25V
X7R X7R
1608 1608
V c c a c r o s s
t h i s c a p a c i t o r
C1960 2 V c c a c r o s s
XX t h i s c a p a c i t o r
C1959 +32V_TUNER
C1914 0 . 1
0 . 2 2
25V
25V X7R
X7R
1608 CL1902
1608
C1912 C1916
2 . 2 100
50V
50V
X7R
3216
P l a c e o n A s i d e u n d e r T U 1 9 0 0
001:15F
TUNER_DATA_7
001:13F
TUNER_DATA_6
001:15E
TUNER_DATA_5
001:13E
TUNER_DATA_4
001:15E
TUNER_DATA_3
001:13E
TUNER_DATA_2
001:15E
TUNER_DATA_1
001:13E
TUNER_DATA_0
001:15E
TUNER_FE_VAL
001:13E
TUNER_FE_SYNC
001:13E
GND_1
TUNER_FE_CKOUT
+5V_ANALOGUE +5V_ANALOGUE_SW
R1921
XX
Q1905
+5V_ANALOGUE
2SA2048TL QR
JL1905
R1917
2 . 2 k R1922
470
Q1912
UNR52A1G0LS0
GND_1
R1909
0
P l e a s e k e e p c l o s e
t o p i n 1
C1909
L1900
XX 1
10V
X7R
+3V3_DEMOD_SW
1.2V Regulator +1V2_SW
JL1904
MM3141CNRE
IC1902
CL1903
VDD Vout
GND
CE NC
C E t h r e s h o l d vo l t a g e 1 . 5 V
GND_1
G H I J K L
M N O P Q R S
+3V3_DEMOD
L1902 L1903
1uH 0uH
C1925
C1923
C1924 0 . 1
0 . 1 47
16V
16V 6.3V
GND_1
GND_1
QSCL_DEMOD
IC1903
R1929
74LV4066PW
10k
VCC
QSCL
DIGITAL_TV_SEL
SILENT_SCL DIGITAL_TV_SEL DIGITAL_TV_SEL
SILENT_SCL
R1938
R1931 DIGITAL_TV_SEL
SILENT_SCL 10k
22
QSDA_DEMOD
SCL_ANA QSDA
SCL_DEVICE
SILENT_SDA
ANALOGUE_TV_SEL ANALOGUE_TV_SEL SILENT_SDA
SILENT_SDA
R1928
ANALOGUE_TV_SEL
SILIENT_SDA
XX
R1934
GND SDA_ANA SDA_DEVICE R1942
22
XX
GND_1 GND_1
GND_1
SILENT_SCL
I2C SWITCHING FOR ANALOGUE OR DIGITAL I2C COMMUNICATION TO TUNER
L1904
1uH
+3V3_DEMOD
C1927
0 . 1 R1945
16V
4 . 7 k
QSCL_DEMOD
GND_1
R1941
4 . 7 k
QSDA_DEMOD
AGC_DEFEAT_TUN
R1940
22k
PLACE CLOSE TO CONNECTOR
AGC_DEFEAT_MICRO
C1926
0 . 0 1 Q1913
UNR52A1G0LS0
25V
X7R
AGC_DEFEAT_MICRO should be
c o n n e c t e d t o G P I O m i c r o o u t p u t GND_1 GND_1
rather than "MONITOR" input. Wa s a d d e d a s c o u n t e r m e a s u r e fo r
s t r o n g A n a l o g u e R F s i g n a l fo r B G
i n N e t h e r l a n d s, l ow e r s t h e AG C
vo l t a g e
0 0 6 : 2 L ; 0 0 6 : 2 J
DIGITAL_TV_SEL
DIGITAL_TV_SEL
FM_AM_L_AUDIO
FM_AM_L_AUDIO
JL1907
QSS_R_AUDIO
JL1908
CVBS_TUNER
CVBS_TUNER
JL1909
AE
M N O P Q R S
- 29 -
T U V W X Y
TUNER_LNA_SW Pin3 UFE-4 Reception
H I G H G N D C O F D M D I G I TA L
L OW 5 V Q A M / A N A L O G U E
AT POWER ON LNA NORMALLY LOW
FB1901
0uH
+5V_ANALOGUE
PLACE CLOSE TO CONNECTOR
R1959
1k
1/16W
FB1900
0uH
TUNER_LNA_SW
C1943
0 . 1
C1931 Q1909
16V
0 . 1 UNR52A1G0LS0
16V
GND_1 GND_1
GND_1
+32V_TUNER
L1905
XX
C1938 +5V_ANALOGUE
SILENT_SCL R1948 C1936
470p 0 . 0 1
50V 50V
FB1913 100
C1928 X7R X7R
0uH 1/16W
12p CHIP
5%
1005
L1908 GND_1
XX
GND_1
SILENT_SDA R1954
FB1914 100
0uH C1930 1/16W
CHIP
12p 5%
1005
JL1912
AGC_DEFEA T_TUN
GND_1
C1939 C1941
JL1910 470p XX
50V
+5V_ANALOGUE_SW
X7R
FB1918 C1933 C1934
0uH R1955 C1932
100 0 . 1 470p GND_1 GND_1
XX
6.3V 16V 50V
X7R
CVBS_TUNER GND_1
L1906
XX +5V_ANALOGUE
C1929
XX
GND_1 R1962 C1945
4 . 7
1k 10V
QSS_R_AUDIO X7R
2012
JL1913
GND_1
Q1910
2SA2122G0LS0
C1947
XX
GND_1
PLACE CLOSE TO UFE TUNER PIN
GND_1
FM_AM_L_AUDIO
QSCL_DEMOD
R1958
+1V2_SW 0
C1937
C1935 C1940 JL1911
22
100 0 . 1
6.3V
6.3V 16V
X6S
L1909
XX
QSDA_DEMOD
GND_1
C1944
22
+3V3_DEMOD_SW
6.3V
+3V3_DEMOD_SW X6S
C1942 C1946
R1961
100 0 . 1
XX
6.3V 16V
R1956
XX
R1952 GND_1
XX
C1956
R1953 XX R1957
TUNER_FE_SYNC
10k XX
TUNER_FE_CKOUT
GND_1 GND_1 GND_1
THE AS LINE IS SETUP FOR ADDRESS D8h
TUNER_FE_VAL
TUNER_DATA_1
TUNER_DATA_0
TUNER_DATA_3
TUNER_DATA_2
TUNER_DATA_5
TUNER_DATA_4
TUNER_DATA_7
TUNER_DATA_6
TUNER_SDA_DIGITAL
TUNER_SCL_DIGITAL
8/9
T U V W X Y
Z AA BB CC DD EE
JL1917
R1969
GND_1
XX
+5V_ANALOGUE
JL1937
L1911 FB1916
5V(ANT)
0uH 0uH
C1949
0 . 1
16V
5V(LNA)
JL1943
GND_1 GND_1
FB1902
0uH
JL1944 LNA SW
JL1938
33V
JL1915
5V(TU)
C1951
FB1917
0 . 1 JL1918
0uH
16V
GND_1 SCL(TU/IF)
JL1919
SDA(TU/IF)
R1972
10k
JL1920
+5V_ANALOGUE AS(TU)
R1976
XX
AGC(TU)
GND_1
IF(ADJ)
5V(IF)
JL1921
VIDEO
AFT
JL1914
+5V_ANALOGUE
AS(IF)
R1975
R1973
XX
XX
QSS
GND_1
JL1922
AUDIO
R1971 C1950
220 100p
1/16W
CHIP 50V
5%
CH
1005
GND_1
JL1939
GND_1
QSCL
GND_1
R1977
C1954
10 10p
50V
CH
GND_1 1.2V(OFDM)
R1986 JL1923
QSDA
10
C1955
10p
50V
JL1916 3.3V
GND_1 CH
R1974 JL1941
TUNER_RST RST
100 C1953
0 . 0 1
25V
X7R
GND_1 INT
JL1945
AS
JL1946
PLACE CLOSE TO TUNER
SYNC
JL1924
FB1903
0uH
CLK
JL1925
FB1915
0uH
JL1926 VAL
FB1904
0uH
JL1927 TS1
FB1905
0uH
JL1928 TS0
FB1906
0uH
JL1929 TS3
FB1907
0uH
TS2
JL1930
FB1908
0uH
TS5
JL1931
FB1909
0uH
JL1932 TS4
FB1910
0uH
JL1933 TS7
FB1911
0uH
JL1934 TS6
FB1912
0uH
001:13E
R1966 JL1935 SDA
100
001:13E
R1968 SCL
JL1936
100
C1948 C1952
XX XX
JL1942
GND_1 GND_1
GND_1
COMPONENTS MARKED AS XX REFER TO PARTS LIST, WILL ONLY BE LISTED IF FITTED
Z AA BB CC DD EE
~ AE Board Schematic Diagram [ Tuner, Analogue Switch, Audio, I/O Terminal ] Page 8/9 ~
FF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
FF