Philips 48OLED806/12 Service Manual page 65

9-4-8 DCDC-SYSTEM-POWER1
D C P O E R W I N P U T
CN1190
NC/0R05 OHM R4378
1 2
+3V5-SB
Main_12V 3 4
Main_12V 5 6
AU_12V 7 8
9 10
11 12
POWER-ON OPWRSB_N 13 14
BL-DIM1 15 16
100 OHM R4316
CONN
T o P S U
ACD
S T A N D B Y P O W E R + 3 V 3 - S T A N D B Y
0 . 6 x ( 1 + 1 0 0 / 2 2 ) = 3 . 3 2 V
3V3SB_SOC +3V3-STANDBY
R4338 R4327
0R05 1/10W 0R05 1/10W
ZD4301
MM3Z3V6B-HAF C4313
10uF 6.3V R4308
100K 1%
R4315
22K 1%
1 2 V d r o p d e t e c t
+12V-AUDIO +12V
R4348 R4349
NC/22K 1/16W 10K
1
R4352 BTA1576S3
+3V3-STANDBY
110K Q4303
R4355 R4357
22K
12V-DETECT
R4359 0.05R
100K
Main_12V
R4341
0R05 1/4W
+5V-STANDBY
R4336
NC/0R05 1/4W
C4324 C4341 C4327 C4342 C4343 C4371
R4350
100K
OPWRSB_N R4371 PWR_EN
0.05R
R4373
NC/10K 1/16W C4372
100NF 16V
V C C K C a p a c i t o r s
VCCK B o t t o m s i d e o f M a i n C h i p
CM16 CM42 CM38 CM60 CM70 CM44
10uF 6.3V 1uF 10V 1uF 10V 1uF 10V 1uF 10V
22UF 6.3V
CM86
1uF 10V
+3V3-STANDBY
RLZ15B
ZD4302
Main_12V C4306 100NF 16V
R4309
Main_12V
AU_12V
C4307 100NF 16V 3K3 5%
100 OHM R4313 TCON_VDD-PWR-EN
R4320
BL-ON
100 OHM R4318
4.7K
STANDBY
Q4301
MMBT3904
R4324
47K
+5V-STANDBY
1 V 8 S B F R O M + 5 V - S T A N D B Y
C4355 0 . 6 x ( 1 + 1 0 0 / 4 9 . 9 ) = 1 . 8 V
100NF 16V U4304
SY 8831AIC
1 8
FB1 F B2
2 7
3 IN EN1 6
4 LX1 EN2 5
L4302
GND LX2
2.2uH L4301
2.2uH
C4316 R4301
22PF 50V 1M
C4314 R4302
22PF 50V
100K 1%
R4314
49.9K 1%
S T A N D B Y P O W E R A V D D 0 9 _ S T B
0 . 6 ( 1 + 1 0 3 . 3 / 2 0 0 ) x 0 . 9 1 V =
AVDD09_STB
R4367
0R05 1/10W
ZD4303
MMSZ4678 C4357 C4359 R4366 C4358
10uF 6.3V 10uF 6.3V 3.3K 1% 22PF 50V
R4368
100K 1%
R4365
200K 1%
U4303
R4339
8 2 C4370
VIN BST
0.05R 100NF 16V
MP8771GQ
L4303
16
SW
0.33uH 20%
1
NC1
R4356
3 15
NC/100R 1%
EN NC2
7
PG
R4369
1K
4
FB
C4368 R4370
14 6 1nF 50V 10K 1%
VCC SS
R4351
1K OHM 1%
R4372
30K OHM 1%
1 0 A D C / D C
Vout=0.6x (1+11.6K/30K) =
0.832V for VCCK
CM43 CM87
1uF 10V 1uF 10V
CM1 CM21
1uF 10V 1uF 10V
+3V3-STANDBY +3V3-STANDBY
R4391
R4388
10K 5%
12K
TRIG_NORMAL_PWR
R4390
4.7K
Q4312
R4389 MMBT3904
4K7 5%
OPWRSB_N Q4311
MMBT3904
R4322
OPWRSB_N TRIG_NORMAL_PWR
NC/0R05 OHM
C4301
1uF 10V
O P W R S B _ P W R > + 1 2 V = 3 m s
1V8SB 1V8SB_SOC
R4330
0R05 1/10W
10K 5%
ZD4306
C4312
BZT52-B2V4
10uF 6.3V P O W E R - O N
Normal:High
Stand_By:Low
5K1 5%
TRIG_NORMAL_PWR R4305
10K 5%
+5V-STANDBY
A V D D 1 V 0
+5V-SW U4301
R4387
C4360
100NF 16V 10K 5% 1
POK
2
VEN
3
AVDD3V3
4 VIN
U4305 VPP
3 4
G9661-25ADJF11U
LX IN
2
L4305 C4317
1 GND 5
1.5uH 22uF 6.3V
EN FB
SY 8088IAAC
0 . 8 x ( 1 + 3 . 3 / 1 0 ) = 1 . 0 2 V
VCCK
+5V-SW
U p d a t e d o n 2 0 1 9 / 1 / 2 2
ZD4305
MMSZ4678
R4395
15K OHM
R4340
VCCK_VSEN
0R05 1/10W
C4332
100NF 16V
O L E D n o n - O L E D
R 4 3 1 9 N A Y e s
R 4 3 2 3 Y e s N A
R 4 3 1 2 0 R 1 0 K
+3V3 +5V-SW
+3V3
R4312
10K 5% BL-ON
Q4300
NC/PDTC114EU
R4319
R 1
SOC_BL_ON 1
0.05R
R 2
R4323
EVDD_BL_ON R4311
4.7K
0.05R
Main_12V FB4324 +12V +12V FB4323 +12V-AMBI FB4325
AU_12V
NC/120R/3000mA NC/120R/3000mA
1 2
1 2 1
120R 3A
Q4304 Q4306
8 1 8
D D D
7 2 7
6 D D 3 6 D
5 D D 4 5 D
S G S
AON4421 C4305 AON4421
+
NC/220UF 16V C4315
C4303 100NF 16V C4304
1uF 50V 1uF 50V
R4317 R4304 R4377
22K 10K 5% 22K
P O W E R - O N
Normal:High
R4321 R4384
Stand_By:Low
5K1 5%
Q4305 Q4307
AO3414 TRIG_NORMAL_PWR R4347 AO3414
10K 5%
+3V3
9
E-Pad
8 AVDD1V0
GND
7 ACD 1 BTA1576S3
ADJ
6 Q4309
R4405
VO 5 R4404
10K 5%
NC 10K 5%
R4385
3.3K 1%
High : Don't care A C D :
Low : Shutdown BL-ON(24V)
R4406
10K 5%
R4386
12K 1%
R4407
C4411
10K 5%
NC/10000pF 50V
A V D D 1 V 8
C4330
100NF 16V
U p d a t e d o n 2 0 2 0 / 9 / 1 4
C4329
100NF 16V
U4302 L4304
1 6
2 BS LX 5
GND IN 4.7uH
3 4
FB EN
R4396 R4392
10K 5% 6K8 1/16W
SY8113IADC
C4321 C4328 C4322
220PF 50V 22uF 6.3V 22uF 6.3V
R4394
13.7K 1%
R4393
0 . 6 x ( 1 + ( 6 . 8 + 1 3 . 7 ) / 1 0 ) = 1 . 8 3 V
10K 1%
12V-DETECT
12V-DETECT 14
BL-DIM1
BL-DIM1 14
STANDBY
STANDBY 2
SOC_BL_ON
SOC_BL_ON 14
EVDD_BL_ON
EVDD_BL_ON 7,14
VCCK_VSEN
VCCK_VSEN 8
OPWRSB_N
OPWRSB_N 11
TCON_VDD-PWR-EN
TCON_VDD-PWR-EN 7,14
BL-ON
BL-ON 19
+12V-AUDIO
2
R4303
10K 1/8W
1
D
2
D 3
D 4
G
R4326
D4304 R4408
2 1 BL-ON
0R05
LBAT54HT1G
Q4308
LBC847BWT1G
AVDD1V8 AVDD1V8_SOC
C4323
100NF 16V