Philips 32PHT4001/60 Service Manual page 34

5
PD3 PD3
RL207 RL207
D
+ +
PEC9 PEC9
PD2 PD2 PC01 PC01 PR262 PR262
RL207 RL207 82uF/450V 82uF/450V
102/1kV 102/1kV
PD4 PD4
RL207 RL207 PD1 PD1 PGND PR264 PR264
27K 27K
RL207 RL207
PR249 PR249
0Ω 0Ω
1
! ! PL2 PL2 1
PT1B PT1B
TBD TBD
EFD30 EFD30
PD23 PD23
PEC10 PEC10
AGND
M7 M7
! ! ! ! 2
2
47uF/50V 47uF/50V
PCY1 PCY1 PCX1 PCX1 PCY2 PCY2
471/400V 471/400V 471/400V 471/400V PGND
PC46 PC46
! !
0.68UF/275V 0.68UF/275V 10nF 10nF
PRXD PRXD PRXC PRXC
! ! 1MΩ 1MΩ 1MΩ 1MΩ
PRXB PRXB PRXA PRXA
1MΩ 1MΩ
1MΩ 1MΩ
GATE
PGND
3 1
CS
PL1 PL1
! ! FB
PR84 PR84
TBD TBD
4 2 NC NC
PU1 PU1
OB5269CP OB5269CP
PR73 PR73
PRV1 PRV1 NC NC
! !
PGND
C
NC NC
PR72 PR72
PF1 PF1 NC NC
! ! PR71 PR71
PC39 PC39
3.15AL/250Vac 3.15AL/250Vac
PNTC PNTC ! ! NC NC NC NC
t t
2.5Ω/5A 2.5Ω/5A
PGND
PCY3 PCY3
! !
102/400V 102/400V
PGND AGND
PCN105 PCN105
PQ112 PQ112
5V
+5V_Standby
ME2325 ME2325
2
PC165 PC165 SOT23
B
PR228 PR228 0.22uf 0.22uf
+5V_Standby
10K 10K
PR227 PR227
PR17 PR17
4.7K 4.7K 100K 100K
TO MASTER CHIP
PR198 PR198
4.7K 4.7K
PQ103 PQ103
5 PWR_ON/OFF
MMBT3904 MMBT3904
PQ113 PQ113
+12V
12V
ME2325 ME2325
2
PR200 PR200
PC166 PC166 SOT23
10K 10K
0.22uF 0.22uF
PR201 PR201
100K 100K
TO MASTER CHIP
PR199 PR199
A 4.7K 4.7K
Q3 Q3
5 PWR_ON/OFF
MMBT3904 MMBT3904
5
4
PD9 PD9 SR5200 SR5200
SR5200 SR5200
! !
PL18 PL18 PD6 PD6
9 1 2
9
PT1A PT1A
+ +
EFD30 EFD30 PR239 47Ω PR239 47Ω
4 12
PEC2 PEC2 PEC5 PEC5
4 12
8
PR238 47Ω PR238 47Ω PC86 PC86
8
PR10 PR10
1nF/1kV 1nF/1kV 1000uF/50V 1000uF/50V
PC02 PC02 1000uF/50V 1000uF/50V
27K 27K 91K 91K 10 6
222/400V 222/400V 10 6
PL16 PL16 SR5100 SR5100
PD10 PD10
1 5 2
5
11
11
PD15 PD15 PEC6 PEC6 PEC7 PEC7
PEC8 PEC8
+ + + + + +
PR230 47Ω PR230 47Ω
PC82 PC82
3
3 470uF/25V 470uF/25V 470uF/25V 470uF/25V 470uF/25V 470uF/25V
PD5 PD5
PR229 47Ω PR229 47Ω
1nF/1kV 1nF/1kV
RS07 RS07 7
7
PR231 PR231
1K 1K
AGND
PL13 PL13
PR232 PR232
NC NC
PD25 PD25
NC NC
PQ29 PQ29
7S60 7S60
PR267 PR267
NC NC
PR270 PR270 PU7B PU7B
PR261 PR261 10kΩ 10kΩ
PC817C PC817C
5
47Ω 47Ω
PU8 PU8
3
PR255 PR255
2 470Ω 470Ω
PC87 PC87
1R 1R 1R 1R 1R 1R 1R 1R NC NC
100PF 100PF
PR256 PR256 PR258 PR258 PR260 PR260
AGND
PR257 PR257 PR259 PR259
PU7A PU7A PR58 PR58
20k 20k PR1 PR1
PC817C PC817C EN
3
! !
PC67 PC67
PC37 PC37
0.1uF 0.1uF
10nF 10nF
PR60 24k PR60 24k
DIM PR62 PR62
PGND
PC68 PC68
NC NC
PH14 PH14
1
2
AGND
3
CON3 CON3
PGND
DC/DC 12V TO 5V Power
+5V_Normal
+12V
3
DCDC_EN
CA9 CA9 PR43 100K PR43 100K
+ + C144 C144
C140 C140
10uF 10uF
0.1uF 0.1uF
470uF/16V 470uF/16V PR70 PR70
PC70 PC70
90.9K 90.9K
PC56 PC56 PC57 PC57 0.1uF 0.1uF
PC5 PC5
0.1uF 0.1uF 0.1uF 0.1uF
PR74 PR74
10uF/16V 10uF/16V
10K 10K
靠近DC-DC
+12V_NORMAL
3
4
3
+30V
PL19 PL19
PC88 PC88
+ +
PR268 PR268
68uH 68uH
PC90 PC90
NC NC
1UF/35V 1UF/35V
10nF 10nF
PU11 PU11
MP3394S MP3394S
+12V
PR64 47Ω PR64 47Ω PR65 10kΩ PR65 10kΩ
AGND
15 14
Vin Gate
12V
PC69 PC69
PC261 PC261 PR66 PR66
PC89 PC89 470nF 470nF
47Ω 47Ω
PC91 PC91
PC97 PC97 16 13
10NF 10NF 1UF/25V 1UF/25V
1UF/25V 1UF/25V Vcc Isence
10UF/16V 10UF/16V
PC65 PC65 PC59 PC59
PR50 1k PR50 1k
1uF 1uF 100pF 100pF
1 4
Comp GND
AGND PC60 PC60
PC71 PC71
1uF 1uF
100pF 100pF
EN
2 12
EN OVP
PR236 PR236
PC188 PC188
PR51 PR51
10k 10k
510kΩ 510kΩ
5 11
Osc LED1
NC NC
PC193 PC193
PR233 PR233 PC62 PC62
7 10
Bosc LED2
100k 100k
1K 1K
0.22uF/50V 0.22uF/50V
3
DIM 3 9
Dbrt LED3
PR235 PR235
PR234 PR234 PRJ2 PRJ2
PR49 PR49 TBD TBD
PRJ1 PRJ1
5.1K 5.1K 5.1k 5.1k
PR52 PR52 TBD TBD
6 8
Iset LED4
1k 1k
BL-ON/OFF 4
+30V
10Pin_2.0mm 10Pin_2.0mm
PD11 PD11 PR57 PR57 PR59 PR59 PR61 PR61 PR63 PR63
68K 68K 36V 36V 2K 2K 2K 2K 2K 2K 2K 2K
BL-ADJUST 4
PQ104 PQ104
222 222
PR69 NC PR69 NC
R88 R88
+12V
10k 10k
PR68 PR68
100R 100R
PC93 PC93
1uF/25V 1uF/25V
AGND
5V MAX 3A
PR22 10R PR22 10R
PU12 PU12
2 5
IN BST
+5V_Standby
PC58 PC58 PL8 4.7uH/3A PL8 4.7uH/3A
6 0.1uF 0.1uF
EN/SYNC
3 2 1
SW
7
VCC
1 8
AAM FB
PR20 33K PR20 33K PR53 36.5K PR53 36.5K
C141 C141
MP9495DJ MP9495DJ PCA6 PCA6
R1
+ +
C137 C137
PR41 PR41
10uF 10uF
0.1uF 0.1uF
6.8K 6.8K
R2
470uF/16V 470uF/16V
靠近DC-DC
反馈电阻靠近DCDC,敏感线,远离干扰源
Vout=0.8V*(1+R1/R2)
33
2
PD12 PD12
PL15 PL15
TBD TBD
1 2
PQ8 PQ8
AOD478 AOD478
PR67 PR67 PR54 PR54
TBD TBD
NC NC
PC64 PC64
NC NC PC47 PC47
PR55 PR55
+ + NC NC
PEC11 PEC11
TBD TBD
47uF/100V 47uF/100V
PR30A 0.22Ω PR30A 0.22Ω
PR30B 0.22Ω PR30B 0.22Ω
PR30C 0.22Ω PR30C 0.22Ω PC36 PC36
NC NC
PR56 PR56
2.2K 2.2K
AGND
PRJ3 PRJ3
PJ2 PJ2
1
D
C
B