A Board Schematic Diagram (14 Of 15) - Sony KDL-22BX300 Service Manual

A BOARD SCHEMATIC DIAGRAM (14 OF 15)

1 | 2 | 3
A
TEMP Sensor
—
U7 U7
OSCL1 1
SCL SDA
2
GND A0
3
A1 VDD
R82 R82 MM3285CNRE MM3285CNRE
B
4.7K_J 4.7K_J null null
0402 0402
—
+3V3SB
C
R324 R324
4.7K_J 4.7K_J
0603 0603
—
R255 10K_J 0603 R255 10K_J 0603
C C
DV11 1 2 1 1
B B
E Q14 E Q14
MMBT3904 MMBT3904
D
+3V3SB
—
R332 R332
4.7K_J 4.7K_J
0603 0603
E R260 10K_J 0603 R260 10K_J 0603
C C
AV125 1 2 1 1
B B
E Q15 E Q15
MMBT3904 MMBT3904
—
+3V3SB
R334 R334
4.7K_J 4.7K_J
0603 0603
F
R264 10K_J 0603 R264 10K_J 0603
C C
DDRV 1 2 1
B B
E Q16 E Q16 1
MMBT3904 MMBT3904
—
G
+12V
R297 R297
10K_J 10K_J R328 R328
0603 0603 0_J 0_J
—
0603 0603
12V_ERR_DET 1 2 PWR5V_2
R302 R302
H
3.3K_J 3.3K_J
0603 0603
—
I
—
KDL-22BX300/32BX300
| 4 | 5 | 6
Must / UART Port 0
DV33 DV33
6 OSDA1 C91 C91
5 0.1U_16V_K 0.1U_16V_K
4
0402_X7R 0402_X7R
R73 R73
4.7K_J 4.7K_J
5,8 U0RX
0402 0402
5,8 U0TX
+3V3SB +3V3SB
R325 R325 R311 R311
4.7K_J 4.7K_J 4.7K_J 4.7K_J
0603 0603 0603 0603
D84 D84
2 1
R265 R265
B0530WS-7-F B0530WS-7-F
10K_J 10K_J
null null
0603 0603 D73 D73
C C
2 1
B B B0530WS-7-F B0530WS-7-F
E Q17 E Q17
null null
MMBT3904 MMBT3904
+5V_PWR AV33
+3V3SB
D85 D85 D86 D86
R331 R331
B0530WS-7-F B0530WS-7-F B0530WS-7-F B0530WS-7-F
4.7K_J 4.7K_J null null null null
0603 0603
R266 R266
10K_J 10K_J
0603 0603
C C
2 1
B B
E Q18 E Q18
MMBT3904 MMBT3904
+3V3SB
R333 R333
4.7K_J 4.7K_J
0603 0603
R267 R267
10K_J 10K_J
0603 0603
C C
2 1
B B
E Q19 E Q19
MMBT3904 MMBT3904
LVDSVDD +3V3SB
AUDIO_12V
R298 R298
10K_J 10K_J
R299 R299 0603 0603 Q40 Q40
10K_J 10K_J R329 R329
C C
0603 0603 0_J 0_J 2 B B
0603 0603
R R E E
AUDIO_VCC_ERR_DET 1 2 HDMI_SDA2
DTC623TK DTC623TK
null null
R319 R319
3.3K_J 3.3K_J
0603 0603
| 7 | 8 | 9 |
+3V3SB FOR CODE DOWNLOAD AND DEBUGGING
R60 R60 R61 R61
4.7K_J 4.7K_J 4.7K_J 4.7K_J CN29 CN29
1
0603 0603 0603 0603
U0RX 2
U0TX 3
4
NC_HEADER_4P NC_HEADER_4P
FOX_HF5504E FOX_HF5504E
High = > VCC normal
LO = > VCC Error
R330 R330
0_J 0_J
0603 0603
1
VCC_ERR_DECT
D74 D74 D80 D80 D81 D81 D82 D82 D83 D83
B0530WS-7-F B0530WS-7-F B0530WS-7-F B0530WS-7-F B0530WS-7-F B0530WS-7-F B0530WS-7-F B0530WS-7-F B0530WS-7-F B0530WS-7-F
null null null null null null null null null null
USB_VCC
DV33 +5V +5V_TUNER
Self Diagnostic
LVDSVDD_ERR_DET
R3255 R3255
4.7K_J 4.7K_J
0603 0603
10 | 11 | 12 |
GND
3,4,5,6,7,8,9,10,11,12,13,14,15,17 GND
+5V_PWR
3,5,7,10 +5V_PWR
+3V3SB
3,5,7,8,10,15 +3V3SB
+12V
3,10,11,14,15 +12V
AUDIO_12V
12,15 AUDIO_12V
LVDSVDD
13 LVDSVDD
AV33
3,5,7,9,10,13,14 AV33
DV33
3,4,5,6,8,12,13,15,17 DV33
PWR5V_2
7 PWR5V_2
HDMI_SDA2
7 HDMI_SDA2
HDMI_SCL2
7 HDMI_SCL2
LVDSVDD_ERR_DET
17 LVDSVDD_ERR_DET
OSCL1
5,12 OSCL1
OSDA1
5,12 OSDA1
+5V
3 +5V
+5V_TUNER
10,14 +5V_TUNER
USB_VCC
5 USB_VCC
AV125
3,4,5,7,8,13 AV125
DV11
3,17 DV11
DDRV
4 DDRV
2
HDMI_SCL2
A 14/15
SELF DIAGNOSTIC
1-857-611-11 <AZ1FK> A-P14
KDL-22BX300/32BX300
22