Schematic Diagram Of Qt Board - Sony KDF-60XBR950 Service Manual

Due to the complexity of this board, performing component level fi eld repairs is not recommended. If it is determined

(19) Schematic Diagram of QT Board

that this board has malfunctioned, the Complete Q Box (A-1606-037-B) must be replaced.
1 2 3
A
B
JL7902
R7904
0
1/16W
:CHIP
C
R7903
0
1/16W JL7904
:CHIP
A33V DC-DC CONV
A33V
IC7900
L7901 L7902 TK11819MTL
1.2mH
A33V
:EL
:CHIP
R7902
VIN T1
1k
1/16W
C7901 :CHIP
22
OSC GND
L7903
C7902
0.022 DK VOUT
50V
R7900
F:CHIP C7906
1k
D 1/16W C7905 10
:CHIP 0.1 50V
C7903
0.022
50V
F:CHIP
C7904
R7901
4.7
100k
50V
1/16W
:CHIP
NOISY AREA, SEPARATE GROUND
E
F
GP1FA313TZ
R7945
100
1/16W
:CHIP
G
OPTICAL AUDIO OUTPUT
H
5V D3.3V
JL7901
I
JL7950
JL7951
J
4 5 6
C7918
C7917 0.1
47 25V
F:CHIP
16V
L7908
JL7909
:CHIP
A9V
C7916
C7911 0.1
100 25V
16V F:CHIP
L7907
JL7913
:CHIP
C7910 C7915
10 0.1
50V F:CHIP
JL7908
L7906
JL7912
:CHIP
A5V
C7914
C7909
0.1
470
25V
10V
F:CHIP
L7905
JL7911
:CHIP
C7913
C7908
0.1
100
25V
16V
F:CHIP 5V
L7904
JL7910
:CHIP
C7907 C7912
100 0.1
16V R7907 R7910
25V
F:CHIP 10k 10k
1/16W 1/16W JL7914
:CHIP :CHIP JL7915
JL7952
D3.3V
CN7902 R7947
0
:CHIP
SHARP
VIN VCC
GND
C7933 JL7953
0.1
25V
F:CHIP
5V
R7908
D3.3V
10k
1/16W
:CHIP
R7909
10k
1/16W
Q7901
:CHIP
2SK1399-T1B
SCLA
Q7900
2SK1399-T1B
SDAA
CN7900
TO QM
2X12 SOCKET
IMSA-9111S-24L
CN7306
IRISO
7 8 9 10
TU7900
VERTICAL
BTD-UA401SC
R7949
0
:CHIP
C7923
0.1
25V
F:CHIP
R7930 R7931 R7932
22 100 100
1/16W 1/16W 1/16W
:CHIP :CHIP :CHIP
D3.3V
FB7904
BLM21A601SPB/PT
R7943
47
1/16W
:CHIP
C7931
0.1
F:CHIP
– 122 –
K
11 12 13
D3.3V
BA18BC0FP-E2
FB7903 C7926
HS 220 100 C7927 C7928
22/1A 0.1 10
:1608 25V 6.3V
F:CHIP B:CHIP
R7950
0
:CHIP
GND03
JL7916
C7924
0.1
25V
F:CHIP
R7938
470
1/16W
:CHIP
R7936
D7900
470
1/16W MA2S111-(TX)
D7901
:CHIP
SML-210VTT86
:RED
R7934 R7935 R7939
22 22 4.7k
1/16W
1/16W 1/16W
ERR :CHIP VAL :CHIP :CHIP
C7925
R7937
0.1
25V 47k Q7902
1/16W
F:CHIP 2SD2216J-(TX)
:CHIP
ERROR
R7941
47
1/16W
:CHIP
14 13 12 11 10 9 8
C7932
0.01
:CHIP IC7904
TC74LCX08F
1 2 3 4 5 6 7
R7944
47
1/16W
:CHIP
R7948
0
:CHIP
KDF-60XBR950/70XBR950
RM-Y914 RM-Y914
14
IC7903
1A MAX
1.8V REG
C7930
C7929 0.1 JL7917
22 25V
F:CHIP
VCC OUT
GND
R7940
470
1/16W
:CHIP
D7902
SML-210MT-T86
:GREEN
Q7903
2SD2216J-(TX)
SYNC-LOCK