Qt Board Schematic Diagram - Sony KDP-51WS550 Service Manual

QT BOARD SCHEMATIC DIAGRAM

Due to the complexity of this board, performing component level fi eld repairs is not recommended. If it is
determined that this board has malfunctioned, the Complete Q Box (A-1606-037-A) must be replaced.
1 | 2 | 3 | 4 | 5 | 6
A
—
B
—
JL7902
L7908
JL7909
C :CHIP
A9V
R7904 L7907
0
1/16W :CHIP
— :CHIP
JL7908 L7906
:CHIP
A5V
D
R7903 L7905
0
1/16W JL7904 :CHIP
A33V DC-DC CONV
:CHIP
A33V
—
IC7900
L7901 L7902 TK11819MTL
1.2mH
:CHIP :EL A33V L7904
VIN T1 R7902
1k :CHIP
1/16W
:CHIP
E C7901
OSC GND
22 L7903
C7902
0.022
DK VOUT
50V
F:CHIP R7900
C7906
1k
10
— 1/16W C7905
:CHIP 0.1 50V
C7903
0.022
50V
F:CHIP
C7904
R7901
4.7
F 100k
50V
1/16W
:CHIP
NOISY AREA, SEPARATE GROUND
—
G
—
H
—
I
—
JL7952
D3.3V
CN7902
J GP1FA313TZ
R7947
R7945 SHARP 0
100 :CHIP
1/16W
:CHIP
VIN VCC
GND
C7933 JL7953
— 0.1
25V
F:CHIP
OPTICAL AUDIO OUTPUT
K
—
L
—
M
—
5V D3.3V
JL7901
N
—
JL7950
JL7951
O
—
CN7900
TO QM
2X12 SOCKET
IMSA-9111S-24L
CN7306 IRISO
| 7 | 8 | 9 | 10 | 11 |
TU7900
VERTICAL
BTD-UA401SC
C7918
C7917 0.1
47 25V
16V F:CHIP
C7916
C7911 0.1
100 25V
16V F:CHIP
JL7913
C7910 C7915
10 0.1
50V F:CHIP
JL7912
C7914
C7909 0.1
470 25V
10V F:CHIP
JL7911
C7913
C7908 0.1
100 25V
16V F:CHIP 5V
JL7910
C7912
C7907 0.1
100 25V
16V F:CHIP R7907 R7910
10k 10k
1/16W 1/16W JL7914
:CHIP :CHIP JL7915
5V
R7908 R7909
D3.3V 10k 10k
1/16W 1/16W
:CHIP :CHIP
Q7901
2SK1399-T1B
SCLA
Q7900
2SK1399-T1B
SDAA
12 | 13 | 14 | 15 | 16 | 17 |
D3.3V
FB7903 C7926
HS 220 100
22/1A
:1608
R7949 R7950
0 0
:CHIP :CHIP
GND03
C7923 JL7916
0.1 C7924
25V 0.1
F:CHIP 25V
F:CHIP
R7936
D7900
470
MA2S111-(TX)
1/16W
:CHIP
R7930 R7931 R7932
22 100 100 R7934 R7935
1/16W 1/16W 1/16W 22 22
:CHIP :CHIP :CHIP 1/16W 1/16W
:CHIP :CHIP C7925
ERR VAL
0.1 R7937
25V 47k
F:CHIP 1/16W
:CHIP
D3.3V
R7941
47
FB7904 1/16W
BLM21A601SPB/PT :CHIP
R7943
47
1/16W
:CHIP
14 13 12 11 10 9 8
C7931 C7932
0.1 0.01
IC7904
F:CHIP :CHIP
TC74LCX08F
1 2 3 4 5 6 7
R7944
47
1/16W
:CHIP
R7948
0
:CHIP
— 91 —
18 | 19 | 20 | 21 |
IC7903
BA18BC0FP-E2
1A MAX
C7927 C7928 1.8V REG
0.1 10 C7930
25V 6.3V C7929 0.1 JL7917
F:CHIP B:CHIP 22 25V
F:CHIP
VCC OUT
GND
R7938
470 R7940
1/16W 470
:CHIP 1/16W
:CHIP
D7901 D7902
SML-210VTT86 SML-210MT-T86
:RED :GREEN
Q7903
2SD2216J-(TX)
R7939
SYNC-LOCK
4.7k
1/16W
:CHIP
Q7902
2SD2216J-(TX)
ERROR
9-965-947-01<AX1>QT
KDP-51WS550/57WS550/65WS550