Schematic Diagrams Of Qt Board - Sony KDE-37 Service Manual

(16) Schematic Diagrams of QT Board

1 3
2
A
TO(2/2)
5V 3.3V
TO JL7963
GND 1
A2FU(1/2)BOARD
9V 2
CN8210
JL7964
GND 3
5V 4
B
GND 5
TO JL7965
GND 6
QM(1/4)BOARD
3.3V 7
CN7307
3.3V 8
JL7966
GND 9
2.5V 10
JL7967
CN7902
10P
:ZH-TOP
NOISY AREA, SEPARATE GROUND
TU7901 L7905
BTD-CA801Z JL7901 10µH
8VSB/QAM/QPSK :CHIP
C7919 C7915
C 0.01 100
25V 16V A33V
1 B:CHIP AL EL R7924
A9V_TU
JL7902 10k
1/10W
:CHIP
2
A32V_TU
C7960
R7977 C7961 10
10k 1/10W :CHIP 1000p 50V
ADR 3 50V AL EL C7917
B:CHIP 10
R7926 50V
100 1/10W :CHIP AL EL
4
TU_SDA
R7929
100 1/10W :CHIP
5
TU_SCL
6
AGC_IN
TUNER I2C ADDRESS = 0xC6
JL7904
A5V_TU 7
D
8
IF_OUT
JL7903
9
A5V_IF
JL7900
10
A9V_IF
Q7901
R7935
2SC3775
3.3k
AGC_OUT 11 1/10W
:CHIP R7939 C7930
10 0.01
C7927 1/10W 25V
12 22 R7936 :CHIP B:CHIP
AGND
16V 10
AL EL 1/10W
:CHIP R7937
R7934 180
4.7k 1/10W
1/10W :CHIP
:CHIP
E
SAP_IND_I 15
DGND 16
17
MODE_0
18
F_MONO_0
R7942
0 :CHIP
DEM_SCL 19
R7944
0 :CHIP
DEM_SDA 20
R7945
DEMOD I2C ADDRESS: FAT=0x14; FDC=0x16
0 :CHIP
21
POD_DRX
22
F DGND
POD_CRX 23
R7946
0 :CHIP R7947
DGND 24 22k
JL7931 1/10W
:CHIP
25
MPEG_ERR
26
AGC_SW
R7948 JL7920
0 :CHIP
CLK
MPEG_CLK 27
C7945
MPEG_SYNC 28 0.1
25V
R7949 JL7921 F:CHIP
0 :CHIP
29 VALID
G MPEG_ENABLE
30
DGND
R7950
0 JL7922
:CHIP
33 DATA
MPEG_D7/
SDATA
34
MPEG_D6
R7951
0
:CHIP
35
RESET
MPEG_D5 36
H
37
MPEG_D4
38
MPEG_D3
39
MPEG_D2
MPEG_D1 40
41 JL7930
MPEG_D0
42 L7911
ST_IND_I
2.2µH
:CHIP
R7955
43
D3.3V_DEM 470
1/10W
I
C7940 C7938 C7946 :CHIP
0.1 0.1 22 C7968
D7900
DGND 44 25V 25V 10V 100
SML-210MT-T86
F:CHIP F:CHIP F:CHIP 16V
AL EL JL7932 :GREEN
45 IB LOCK
FAT_LOCK
L7910
JL7905 2.2µH SYNC LOCK
:CHIP
46
D2.5V_DEM
C7939 C7937 C7969
0.1 22
330
47
FDC_LOCK 25V 10V 4V
JL7906 F:CHIP F:CHIP AL EL CP JL7933
D1.2V_DEM 48
J
51
TU_SCL_0
TU_SDA_0 52
AGND 53
JL7927
54
A5V_OOB
C7925 C7962 L7912
0.01 100 10µH
25V 16V :CHIP
B:CHIP AL EL
K
4 5 6
+9V
+5V
+3.3V
+2.5V
A33V DC-DC CONV
IC7901
L7902
TK11819MTL 1.2mH L7901
NL565050T-122J 22µH
+9V
:CHIP :CHIP
T1 VIN
C7910
GND OSC
L7906 0.022 C7909
22µH 50V 22
:CHIP F:CHIP 16V R7906
AL EL 15k
VOUT DK
1/10W
:CHIP
C7916 C7911
0.1 C7913 0.022
Q7900
50V R7922 4.7 R7916 50V
F:CHIP 100k 50V 1k F:CHIP 2SD2216J
1/10W AL EL 1/10W
:CHIP :CHIP
R7930
10k
1/10W
:CHIP
AGC_IN
C7922
0.01
C7921 C7959 C7924 L7908 25V
+5V
0.01 330 330 10µH B:CHIP
25V 6.3V 6.3V :CHIP
B:CHIP AL EL AL EL
C7920 C7923 L7907
0.01 100 10µH
25V 16V :CHIP
B:CHIP AL EL
+9V
L7904
C7965 C7914 10µH
0.01 C7918 100 :CHIP
25V 0.01 16V
B:CHIP 25V AL EL
B:CHIP
IF_OUT
JL7929
AGC_OUT
SAP_IND
MODE
F_MONO
POD-DRX
POD-CRX
R7958
+3.3V
470
Q7906
1/10W ERROR
2SD2216J-(TX) :CHIP
R7956 R7991
D7901
22k 3.3k
SML-210VTT86
1/10W 1/10W
:RED
:CHIP :CHIP
R7992
22k
Q7902
1/10W
:CHIP 2SD2216J-(TX)
SW_CNTRL
/RESET-FE
+3.3V
ST_IND
R7971
470
1/10W
:CHIP
D7902
SML-210VTT86
:RED
+2.5V
OOB UNLOCK
VOUT NC
C7941
VSS
22
10V
VIN CE
F:CHIP
C7942 R7960 R7961
0.1 C7936 10k 10k
25V IC7905 1 1/10W 1/10W
F:CHIP XC6209F122PR 10V :CHIP :CHIP
1.2V_LDO_REG B:CHIP
300MA MAX
+5V
7 8 9
CN7901 TO
10P
:ZH-SIDE A1U(2/3)BOARD
CN005
JL7956 JL7960
JL7958 JL7957
R7959
R7963 0
4.7k :CHIP
1/10W
JL7961
:CHIP
R7976 R7957
0 100
R7910
:CHIP 1/10W JL7962
100
:CHIP
1/10W
:CHIP
JL7959
R7911
100
1/10W
:CHIP
SW_CNTRL EFFECT
H NTSC TUNING
L ATSC TUNING
R7904
100
1/10W
:CHIP
R7933
4.7k
1/10W
:CHIP
+5V
R7925 R7927
4.7k 4.7k
C7928 16 15 14 13 12 11 10 9 1/10W 1/10W
C7926 0.1 :CHIP :CHIP
10 25V
6.3V F:CHIP
B:CHIP
IC7902
CD74HC4053M-96
1 2 3 4 5 6 7 8
C7950
47
6.3V
AL EL
+9V
R7988
470
1/10W
:CHIP
RF_AGC_OUT
10
11 12
+5V
TU7900
IMC-450Z
NTSC_STEREO_DEMOD
31 L OUT
30
R OUT
R7965 R7966 R7962 29
NC
R7931 R7932 10k 10k 100
22k 22k 1/10W 1/10W 1/10W
1/10W 1/10W :CHIP :CHIP :CHIP
:CHIP :CHIP R7968 28 MUTE
10k
1/10W
Q7903
:CHIP R7967
2SD2216J 100 1/10W :CHIP 27 NC
R7964
10k 26
F MONO
1/10W
:CHIP
Q7904
2SD2216J 25
MODE
24 SAP IND
23 ST IND
R7969 22
DET OUT
100
1/10W
:CHIP
C7949 21
DET OUT2
0.1
25V
Q7905
F:CHIP
2SC3775
R7970
1k
1/10W
:CHIP R7900
22k
1/10W
:CHIP
C7901
0.01
R7909 25V
10 B:CHIP
1/10W
:2012
R7913
10
1/10W R7901 15 GND
:2012 33k
1/10W
R7914 :CHIP
10 14
AFT OUT
1/10W
:2012
C7903
R7915 C7951 100 C7900 13
9V
10 470 16V 0.01
1/10W 16V :AL-CP 25V
:2012 : AL-CP B:CHIP
12
VIF
11 RF AGC
R7903 R7902
15k 10k
1/10W 1/10W C7902
:CHIP :CHIP 22
16V
AL EL
FE-SCL
FE-SDA
FDC_DRX TO(2/2)
FDC_CRX
FE-TS
/RESET-FE
QT(1/2)
(DEMODULATOR)
B-SS12324<UC.>-QT.-P1
15
13 14
KDE-37XS955/42XS955 (UC) 3-60