Sony KDL-50R550A Service Manual page 17

A BOARD SCHEMATIC DIAGRAM (5 OF 26)
1 2
A
R209 R209
10K_J 10K_J
PSU_12V 1 2
Q201 Q201
PMBT3904.215 PMBT3904.215
B R212 R212
39K_F 39K_F C C R238 R238
1 2 1 B B
[4] PWM_5V_EN# 2.2K_J 2.2K_J
E E
C224 C224
1U_6.3V_K 1U_6.3V_K
C
R280 R280
10K_J 10K_J
PSU_12V
1 2
D
R240 R240
2.2K_J 2.2K_J
E
SS_5V
R221 R221
10K_J 10K_J
PSU_12V 1 2
R229 R229
10K_J 10K_J
F
R222 R222 Q202 Q202
Q204 Q204 10K_J 10K_J PMBT3904.215 PMBT3904.215
D D 2N7002.215 2N7002.215
R253 R253
10K_J 10K_J
EN_5V
1 1 2
G G
S S
R227 R227
4.7K_J 4.7K_J C C
Q203 Q203
PWM_1.2V 1 2 1 B B
PMBT3904.215 PMBT3904.215
E E
C250 C250
G
0.01U_50V_K 0.01U_50V_K
Monday, January 07, 2013 Monday, January 07, 2013 Monday, January 07, 2013
Date : Date : Date : 10-20-2005 10-20-2005 10-20-2005 LY.REV : LY.REV : LY.REV : 00 00 00
H
PWB : PWB : PWB : 297005040100.BRD 297005040100.BRD 297005040100.BRD File Name : File Name : File Name : 297005040100.DSN 297005040100.DSN 297005040100.DSN
DESCRIPTION : DESCRIPTION : DESCRIPTION :
SCHEMATIC OF LCD TV MONITOR SCHEMATIC OF LCD TV MONITOR SCHEMATIC OF LCD TV MONITOR
1 2
Chassis RB1FK, BL
3 4
U201 U201
AOZ1044PI AOZ1044PI
EN_1.2V 2
[4,6] PSU_12V VIN
C211 C211 C212 C212 C213 C213
10U_25V_K 10U_25V_K 10U_25V_K 10U_25V_K 0.1U_25V_K 0.1U_25V_K
1
PGND1
8
PGND2
C223 C223
0.01U_50V_K 0.01U_50V_K
EN_1.2V 6
EN
1 2 5
COMP
R214 R214
Tss = 3.52 ms. (typ.)
5.76K_F 5.76K_F
C225 C225 C226 C226
2200P_16V_K 2200P_16V_K NC_100P_50V_J NC_100P_50V_J
U202 U202
AOZ1044PI AOZ1044PI
PSU_12V
2
VIN
C227 C227 C228 C228 C229 C229
10U_25V_K 10U_25V_K 10U_25V_K 10U_25V_K 1U_50V_K 1U_50V_K
EN_5VA
1
PGND1
8
PGND2
EN_5VA
6
EN
C287 C287
1 2 5
0.01U_50V_K 0.01U_50V_K
COMP
R219 R219
Tss = 16ms (typ.)
15K_F 15K_F
C236 C236 C237 C237
1000P_50V_K 1000P_50V_K 100P_50V_J 100P_50V_J
PAD203 PAD203
pad_smd276x354 pad_smd276x354
U203 U203
FR8001SPCTR FR8001SPCTR
EN_1.5V PSU_12V 9
VIN
C238 C238 C239 C239 C240 C240
10U_25V_K 10U_25V_K 10U_25V_K 10U_25V_K 1U_25V_K 1U_25V_K
3
GND1
4
GND2
C C C286 C286
EN_1.5V
1 B B 7
0.1U_25V_K 0.1U_25V_K
SHDN#
E E
1 2 6
COMP
C249 C249 Tss = 25.9ms (typ.)
6800P_25V_K 6800P_25V_K
R226 R226
5.6K_F 5.6K_F
Drawn : Drawn : Drawn : Checked Checked Checked
10-20-2005 10-20-2005 10-20-2005
3 4
5 6
PAD201 PAD201
pad_smd276x354 pad_smd276x354
L201 L201
1.3UH_8.2A_0.016R 1.3UH_8.2A_0.016R
9 1 2
LX
R210 R210
4 FB_P1.2V
FB
NC_2.2_F NC_2.2_F
7
SS
C214 C214 C215 C215 C216 C216
22U_10V_K 22U_10V_K 22U_10V_K 22U_10V_K 22U_10V_K 22U_10V_K
C219 C219 C221 C221 C222 C222
NC_4700P_25V_K NC_4700P_25V_K
3
AGND
0.022U_25V_K 0.022U_25V_K
NC_0.22U_10V_K NC_0.22U_10V_K
PAD202 PAD202
TP219 TP219
pad_smd276x354 pad_smd276x354
L202 L202
6.8UH_4.4A_0.025R 6.8UH_4.4A_0.025R
9 1 2
LX
R216 R216
4 FB_P5V
FB
NC_2.2_F NC_2.2_F
SS_5V
7
SS
C230 C230 C231 C231 C232 C232
22U_16V_M 22U_16V_M 22U_16V_M 22U_16V_M 0.1U_16V_K 0.1U_16V_K
C234 C234 C235 C235
0.1U_16V_K 0.1U_16V_K NC_4700P_25V_K NC_4700P_25V_K
3
AGND
L203 L203
10UH_3.1A_0.046R 10UH_3.1A_0.046R
2 1 2
LX
C241 C241
0.01U_50V_K 0.01U_50V_K
R223 R223
1 1 2
BST
NC_2.2_F NC_2.2_F
C242 C242 C243 C243 C244 C244
FB_P1.5V
5
FB
22U_6.3V_M 22U_6.3V_M 22U_6.3V_M 22U_6.3V_M 22U_6.3V_M 22U_6.3V_M
8
C248 C248
SS
NC_4700P_25V_K NC_4700P_25V_K
C247 C247 C284 C284
0.1U_16V_K 0.1U_16V_K
0.068U_16V_K 0.068U_16V_K
Approved Approved Approved PART NO. PART NO. PART NO.
2970050401-SC 2970050401-SC 2970050401-SC
10-20-2005 10-20-2005 10-20-2005
5 6
7 8
A
TP218 TP218
PWM_1.2V [14]
R211 R211
220_F 220_F
C217 C217 C218 C218 B
C220 C220
22U_10V_K 22U_10V_K 0.1U_16V_K 0.1U_16V_K
1000P_50V_K 1000P_50V_K
R213 R213
5.6K_F 5.6K_F
FB_P1.2V
R215 R215
10K_F 10K_F
C
PWM_5V [6,9,10,18,20,23]
R217 R217
1.78K_F 1.78K_F
D
C233 C233
330P_50V_K 330P_50V_K
R218 R218
52.3K_F 52.3K_F
FB_P5V
R220 R220
10K_F 10K_F
E
TP220 TP220
PWM_1.5V [6,15,16]
R224 R224
F
220_F 220_F
C245 C245
C246 C246
0.1U_16V_K 0.1U_16V_K
3300P_50V_K 3300P_50V_K
R225 R225
6.34K_F 6.34K_F
FB_P1.5V
R228 R228
10K_F 10K_F
G
REV. REV. REV. SHEET SHEET SHEET
H
<RevCode> <RevCode> <RevCode>
5 5 5 25 25 25
____ OF ____ ____ OF ____ ____ OF ____
7 8
Chassis RB1FK, BL
17