Schematics And Supporting Information; A Board Schematic Diagram (1 Of 16) - Sony KDL-22BX321 Service Manual

1-4. SCHEMATICS AND SUPPORTING INFORMATION

A BOARD SCHEMATIC DIAGRAM (1 OF 16)

1 | 2 | 3
POWER CONN.
A
TCON_VCC 12V_SW
—
B JW T-CONN16D-1-GP JW T-CONN16D-1-GP
+3V3SB +12V_AMP
—
AC_OFF_DET
C
+3V3SB
+3V3SB 12V_SW
—
C201 C201 C202 C202
D
—
PS_EN CONTROLLER
E
—
F
—
G
MT5388 STANDBY POWER
— SI2301CDS-T1-GE3-GP SI2301CDS-T1-GE3-GP
+3V3SB
H
—
Near 5388
I
—
KDL-22BX320/22BX321
| 4 | 5 | 6
DIMMING
LAMP_ERR
BL_ON/OFF
CN202 CN202
PS_EN
R209 R209
1 2
100R2F-L1-GP-U 100R2F-L1-GP-U
AC_DET_DROP [11,14]
LVDS_PW R_ON [13]
12V_SW
C206 C206
C207 C207
Q210 Q210
DTA114EKAT146-GP-U DTA114EKAT146-GP-U
PS_EN 1 2 PS_EN_1 3
R213 R213 R1 R1 2 TR1 OUT OUT 3
100R2J-2-GP 100R2J-2-GP
R2 R2
1 GND GND 1
+3V3SB
DTC144EKA-1-GP DTC144EKA-1-GP
Q208 Q208
L201 L201
S D +3V3SB_MT5388 1 2 HCB1608KF-301T20-GP HCB1608KF-301T20-GP
AVDD33_VGA_STB
L202 L202
1 2 HCB1608KF-301T20-GP HCB1608KF-301T20-GP
AVDD33_XTAL
R214 R214
22KR2J-GP 22KR2J-GP
| 7 | 8 | 9 |
INVERTER CONTROLLER
+3V3_SW
+3V3_SW
R202 R202
1KR2J-1-GP 1KR2J-1-GP
R203 R203
10KR2J-3-GP 10KR2J-3-GP
BL_ON/OFF_2
R206 R206
10KR2J-3-GP 10KR2J-3-GP
1 2 BL_ON/OFF_1 B Q201 Q201
[11] GPIO_3
2SC3052-T112-1F-GP 2SC3052-T112-1F-GP
R201 R201
10KR2J-3-GP 10KR2J-3-GP
1 2
+3V3SB
NC NC
LAMP_ERR 1 2
L_DET [11]
C203 C203 R204 R204 DIMMING
1KR2J-1-GP 1KR2J-1-GP
+3V3SB R210 R210
10KR2J-3-GP 10KR2J-3-GP
R211 R211
R215 R215 22KR2J-GP 22KR2J-GP
NC NC
0R2J-2-GP 0R2J-2-GP
Q203 Q203 B TR3 1 2 TR4
2SA1235A-T112-1F-GP 2SA1235A-T112-1F-GP
TR2
R212 R212
Q205 Q205
4K7R2J-2-GP 4K7R2J-2-GP
B R1 R1
[11] X_U_RST
Q207 Q207
R2 R2
R1 R1 2
PDTC124EU-1-GP PDTC124EU-1-GP
OPW RSB [11]
IN IN
StayBy mode: L
R2 R2
Power ON: H
R246 R246
0R2J-2-GP 0R2J-2-GP
1 2
NC NC
10 | 11 | 12 |
HI=ON
R205 R205
1 2 BL_ON/OFF
100R2J-2-GP 100R2J-2-GP
C205 C205
+3V3_SW
R250 R250
4K7R2J-2-GP 4K7R2J-2-GP
GPIO_0 [11]
Q206 Q206
C OUT OUT 3
R1 R1 2
AC_DET_DROP [11,14]
E GND GND 1
IN IN
R2 R2
DTC144EKA-1-GP DTC144EKA-1-GP
A 1/16
DC CONVERTER I
1-857-593-11 <AZ1K> A-P1
KDL-22BX320/22BX321
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