Read Sony KDL-22BX320 Service Manual online
KDL-22BX320/22BX321
11
KDL-22BX320/22BX321
A BOARD SCHEMATIC DIAGRAM (2 OF 16)
R2
R1
Vout=0.8*(1+R1/R2)
R2
R1
Vout=0.8*(1+R1/R2)
1% tolerance
1% tolerance
1% tolerance
R2
R1
COMP1
EN1#
EN2#
EN2#
COMP2
Boot1A
Boot2A
BP
FB1
+5V_SW _1
FB2
PHASE1
SW _5V
PHASE2
SW _DDRV
COMP1A
COMP2A
COMP2
COMP1
EN1#
+5V_SW
EN1#B
+1V
EN2#A
EN2#
EN2#B
COMP_1
FB
PHASE3
+1V_SW
FB
EN
SS
EN
BOOT_1
FB1
FB2
EN2#A
EN1#A
DDRV
+5V_SW
RVREF2
DDRV
+3V3SB
RVREF3
DDRV
DDRV
RVREF1
+1V
12V_SW
+5V_SW
12V_SW
AVDD10_DAC
12V_SW
R235
1KR2F-3-GP
R235
1KR2F-3-GP
1
2
C246
SC22U16V6MX-GP
C246
SC22U16V6MX-GP
1
2
R228
10KR2J-3-GP
10KR2J-3-GP
R228
10KR2J-3-GP
10KR2J-3-GP
1
2
C217
SC22U6D3V5MX-2GP
C217
SC22U6D3V5MX-2GP
1
2
L216
IND-6D8UH-103-GP
L216
IND-6D8UH-103-GP
1
2
C232
SCD047U16V2KX-1-GP
SCD047U16V2KX-1-GP
C232
SCD047U16V2KX-1-GP
SCD047U16V2KX-1-GP
1
2
C224
SC10U10V5KX-2GP
C224
SC10U10V5KX-2GP
1
2
R245
9K1R2F-1-GP
R245
9K1R2F-1-GP
1
2
R236
1KR2F-3-GP
R236
1KR2F-3-GP
1
2
R218
10KR2J-3-GP
10KR2J-3-GP
R218
10KR2J-3-GP
10KR2J-3-GP
1
2
C218
SC22U6D3V5MX-2GP
C218
SC22U6D3V5MX-2GP
1
2
C245
SCD1U16V2KX-3GP
C245
SCD1U16V2KX-3GP
1
2
R225
20K5R2F-GP
20K5R2F-GP
R225
20K5R2F-GP
20K5R2F-GP
1
2
C235
SC680P50V2KX-2GP
SC680P50V2KX-2GP
C235
SC680P50V2KX-2GP
SC680P50V2KX-2GP
1
2
R242
1KR2F-3-GP
R242
1KR2F-3-GP
1
2
C244
SCD01U50V2KX-1GP
C244
SCD01U50V2KX-1GP
1
2
C225
SCD1U16V2ZY-2GP
C225
SCD1U16V2ZY-2GP
1
2
L219
IND-6D8UH-103-GP
IND-6D8UH-103-GP
L219
IND-6D8UH-103-GP
IND-6D8UH-103-GP
1
2
C251
SCD1U16V2ZY-2GP
C251
SCD1U16V2ZY-2GP
1
2
R222
10R3F-GP
R222
10R3F-GP
1
2
R243
1KR2F-3-GP
R243
1KR2F-3-GP
1
2
R259
0R0603-PAD-1-GP
R259
0R0603-PAD-1-GP
1
2
C229
SC22U16V6MX-GP
C229
SC22U16V6MX-GP
1
2
C238
SCD1U16V2KX-3GP
C238
SCD1U16V2KX-3GP
1
2
C241
SC22U6D3V5MX-2GP
C241
SC22U6D3V5MX-2GP
1
2
R234
1KR2F-3-GP
R234
1KR2F-3-GP
1
2
R217
20K5R2F-GP
20K5R2F-GP
R217
20K5R2F-GP
20K5R2F-GP
1
2
R233
91KR2F-GP
91KR2F-GP
R233
91KR2F-GP
91KR2F-GP
1
2
R224
1KR2J-1-GP
R224
1KR2J-1-GP
1
2
TP218
TPAD71-GP
TP218
TPAD71-GP
1
C216
SC470P50V2KX-3GP
C216
SC470P50V2KX-3GP
1
2
R216
100KR2J-1-GP
100KR2J-1-GP
R216
100KR2J-1-GP
100KR2J-1-GP
1
2
R226
10KR2J-3-GP
10KR2J-3-GP
R226
10KR2J-3-GP
10KR2J-3-GP
1
2
C250
SC1KP50V2JN-2GP
NC
C250
SC1KP50V2JN-2GP
NC
1
2
R221
10KR2J-3-GP
10KR2J-3-GP
R221
10KR2J-3-GP
10KR2J-3-GP
1
2
C236
SC100P50V2JN-3GP
SC100P50V2JN-3GP
C236
SC100P50V2JN-3GP
SC100P50V2JN-3GP
1
2
R219
0R0805-PAD-1-GP
R219
0R0805-PAD-1-GP
1
2
C221
SC1U10V2KX-1GP
C221
SC1U10V2KX-1GP
1
2
C243
SCD1U16V2ZY-2GP
C243
SCD1U16V2ZY-2GP
1
2
C227
SC470P50V2KX-3GP
C227
SC470P50V2KX-3GP
1
2
C228
SCD047U16V2KX-1-GP
SCD047U16V2KX-1-GP
C228
SCD047U16V2KX-1-GP
SCD047U16V2KX-1-GP
1
2
R231
3K83R2F-GP
3K83R2F-GP
R231
3K83R2F-GP
3K83R2F-GP
1
2
C240
SCD1U16V2KX-3GP
SCD1U16V2KX-3GP
C240
SCD1U16V2KX-3GP
SCD1U16V2KX-3GP
1
2
C239
SCD1U16V2KX-3GP
C239
SCD1U16V2KX-3GP
1
2
C242
SC22U6D3V5MX-2GP
C242
SC22U6D3V5MX-2GP
1
2
C219
SCD1U16V2ZY-2GP
C219
SCD1U16V2ZY-2GP
1
2
TP211
TPAD71-GP
TP211
TPAD71-GP
1
R223
16K2R2F-GP
16K2R2F-GP
R223
16K2R2F-GP
16K2R2F-GP
1
2
R238
1KR2F-3-GP
R238
1KR2F-3-GP
1
2
C233
SC1U10V2KX-1GP
C233
SC1U10V2KX-1GP
1
2
C252
SC22U6D3V5MX-2GP
C252
SC22U6D3V5MX-2GP
1
2
R232
91KR2F-GP
91KR2F-GP
R232
91KR2F-GP
91KR2F-GP
1
2
Q216
2SC3052-T112-1F-GP
Q216
2SC3052-T112-1F-GP
C
B
E
C234
SC680P50V2KX-2GP
SC680P50V2KX-2GP
C234
SC680P50V2KX-2GP
SC680P50V2KX-2GP
1
2
C230
SC22U16V6MX-GP
C230
SC22U16V6MX-GP
1
2
C222
SC22U16V6MX-GP
C222
SC22U16V6MX-GP
1
2
IC217
BD9329EFJ-GP-U
IC217
BD9329EFJ-GP-U
BST
1
VIN
2
SW
3
GND
4
FB
5
COMP
6
EN
7
SS
8
GND
9
C248
SCD1U16V2ZY-2GP
C248
SCD1U16V2ZY-2GP
1
2
C247
SC10U16V6KX-2GP
C247
SC10U16V6KX-2GP
1
2
R240
2D2R3-1-U-GP
2D2R3-1-U-GP
NC
R240
2D2R3-1-U-GP
2D2R3-1-U-GP
NC
1
2
R230
10R3F-GP
R230
10R3F-GP
1
2
Q217
2SC3052-T112-1F-GP
Q217
2SC3052-T112-1F-GP
C
B
E
IC216
TPS54291-GP
IC216
IC216
TPS54291-GP
PVDD1
1
PGND1
4
EN1#
5
EN2#
6
COMP1
8
COMP2
9
GND
11
BP
12
PGND2
13
PVDD2
16
THERMAL_PAD
17
BOOT1
2
BOOT2
15
FB1
7
FB2
10
SW1
3
SW2
14
R244
15K8R2F-GP
15K8R2F-GP
R244
15K8R2F-GP
15K8R2F-GP
1
2
R237
100KR2J-1-GP
100KR2J-1-GP
R237
100KR2J-1-GP
100KR2J-1-GP
1
2
R241
3K83R2F-GP
3K83R2F-GP
R241
3K83R2F-GP
3K83R2F-GP
1
2
C226
SC4D7U10V3KX-GP
C226
SC4D7U10V3KX-GP
1
2
C223
SCD1U16V2ZY-2GP
C223
SCD1U16V2ZY-2GP
1
2
L218
IND-4D7UH-208-GP
IND-4D7UH-208-GP
L218
IND-4D7UH-208-GP
IND-4D7UH-208-GP
1
2
C249
SC6800P25V2KX-1GP
C249
SC6800P25V2KX-1GP
1
2
C237
SC100P50V2JN-3GP
SC100P50V2JN-3GP
C237
SC100P50V2JN-3GP
SC100P50V2JN-3GP
1
2
A 2/16
DC CONVERTER II
DC CONVERTER II
1-857-903-11 <AZ2UK> A-P2
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