Philips 29PFL4508/F4 Service Manual page 31

Power Supply CBA Schematic Diagram
CAUTION !
For continued protection against fire hazard,
replace only with the same type fuse.
4
HOT CIRCUIT. BE CAREFUL.
Zener SMD TYPE
RKZ***BKJR1,RKZ***B2KJR1 150mW
RKZ*****KUP6 500mW NEW
CRY**,CRZ** 700mW
SB*20 20V
SMD TYPE
SB*30 30V
SK*2 20V SB*40 40V
SB*50 50V
SK*3 30V
SB*60 60V
SK*4 40V
SB*70 70V
SK*5 50V
SB*80 80V
SK*6 60V
SB*90 90V
SK*7 70V
SB*A0 100V
JS606 SK*8 80V
SB*B0 100V
SK*9 90V
OPEN SB3150150V
SK*B 100V
JS607 SB3200200V
OPEN
*R602
1.2[5W_CEM]
3
D622 D623
TFZ39B TFZ39B
D604 D603
1N5408 1N5408
D601 D602
1N5408 1N5408
D616
1N4007
D606 R615
1N4007 6.8K
*L602
OPEN
JS604
WIRE
C604
OPEN
2
C605
470PF/250V[KX]
*C619
OPEN
*L601
JLB20154
*C601
0.47[LINEACROSS]
*SA601
PVR-10D471KB
1
Optional Use
F601 Semi-Time Lag
AC601
*CN101 CAUTION:
NEUTRAL
AC CORD FOR CONTINUED
WHITE
W REPLACE ONLY
ATTENTION:
LIVE 5 A 250 V
B
BLACK
A
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F602) is blown , check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
HOT
SMD TYPE
RS*A 50V
FR*01 50V
FR*02 100V
SK*B 100V
FR*03 200V
SK*D 200V
FR*04 400V
SK*G 400V
FR*05 600V SK*J 600V
FR*06 800V SK*K 800V
FR*07 1000V SK*M 1000V
T601
POWER TRANS
Vin
6
7
8
5
9
D605
D
4
B19 10
RS1JJTB
BC605 BC606
1EM435557
BEAD BEAD
AG
2 11
D
312.8 DRIVE
1 12
Q603
2SK3471 ST1104EC28-059
T020526-8
G
(SWITCHING)
S
0
1.0
C618
OPEN
D
Q601
378.6 C621
TK5A65D
R605 (SWITCHING)
470PF/250V[KX]
G
270 1.0 S
*D610 R606 0 *C623
R607
RS1GJTB 47
OPEN
OPEN
0.7
4 1
0
3 2
IC602
FA8A00N-C6-R3
(SWITCHING CONTROL)
1 LAT 8
VH
1.3 Q602
215.2
TK3P50D
2 FB NC 7
0.7 (+20V REG.)
3 CS VCC 6
0 S D
17.0
17.0 36.4
4 GND OUT 5
G
0
0 16.9
R622
10K
PROTECTION AGAINST RISK OF FIRE,
250
WITH SAME TYPE 3.15 A V FUSE.
UTILISER UN FUSIBLE DE RECHANGE
250
DE MEME TYPE DE 3.15 A V.
HOT
B C
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
POWER SUPPLY CBA
R505
0
COLD
F501
FHC16252ABTP Type:350mA
5.0
R512
2200P/1KV RB 5.3
C501
C517 5.0
0
VLED(+21V)
R511 1
0
0
D501
SB3200-DO27
D510
R430 R432 R416
SB3200-DO27 16 16
56[2W]
D502
SB3200-DO27
+13.5V
D401 R431 R410 R417
16 16
SB3A0 56[2W]
D403
SB3A0
D402 R404
SB3A0 1K
*C401
R411
OPEN OPEN
R302 R301
330 330
R710
0.47[2W]
Q702
KTA1504S-Y-RTK/P
*R304
(SWITCHING)
OPEN
21.1
C304
OPEN
20.6
C303
R305
19.7
*Q703
0.1 10K
KTC3875S-Y-RTK/P
0
(SWITCHING)
IC301
AS431BZTR-E1
19.7
D301 0
2.5
0 HSC119
R308
*Q301
2.7K
KTC3875S-Y-RTK/P
(SWITCHING)
0
0.6
0
VLED(+21V)
L1001
JS1001
22uH
LLF2200KV002
WIRE
BC1001
OPEN
D1002
1SS400
+21V_LED
C1012
C1013
4.7u
0.1[FZ]
R1001 R1002
240 240 C1014
100
R1010
R1003 1
STATUS
1K
COLD
D
10-3
L501
+5V(Type:1.2A)
C506 33uH[RCR1010]
0.1
IC501
MP2482DN
(+5V REG.)
21.2
1 SW IN 8
2.3
2 BST EN/SYNC 7
5.0
3 VCC 6
PG
0.8
4 GND FB
5
Q403
FDD5612
(STB+5V)
+5Vsb
S
D
5.0
9.4
G
7.8
C404
R426
0.1 0
7.8
2.5
IC402
AS431BZTR-E1 0
+13.5V
(Type:480mA)
Q701
FDD5612
(SW+12V) +13V
(Type:400mA)
S
D
13.1
14.6
R702 G
21.1
15.9
1.8K
C703 R706
20.4
0pen
0.1 0 Open
15.9 GP1001 GP1002
2.5
0
0.6 *R705
10K
*R314
10K
Q1001
AP18T10AGH-HF
D1001
(SWITCHING)
SB2A0
R1008
D
31.4
10
R1025
G
47 2.5
S
R1009 0 R1022
27K
200 R1006
0.091 R1013
10K
IC1001
C1017
HA7219PB
1000P
(LED BACKLIGHT DRIVER)
100K
R1004
R1014
1.0
0
8 RT 7
ISW 10K
EN 4.5
2.5 CONTROL
9
6
LOGIC
LDR
LED2 R1017
5.0 2.4
10 LDO DRIVE 5
0
0
1.2
11 GND OVP 4
R1015 R1016
19.5
1.2
12 VIN 3
ISET
1.8K 6.2K
R1021
1.7 2.4
13 COMP DRIVE 2
0
LED1
0 4.0
14 1
STATUS PWM
E F
(TO DIGITAL MAIN
CN102 CBA UNIT CN11)
14.7
AMP+13V
1
14.7
AMP+13V
2
0
3 GND
0
4
GND
(TO DIGITAL MAIN
CN103 CBA UNIT CN3)
13.1
+12V
1
13.1
+12V
2
5.0
3 BL-SW
4.4
4 BL-ADJ
0
GND
5
0
6 GND
(TO DIGITAL MAIN
CN104 CBA UNIT CN2)
5.0
1 STB+5V
4.7
2 PS-ON
0
3 GND
0
4 GND
5.0
5 +5V
5.0
6 +5V
5.0
7 +5V
5.0
8
+5V
0
9 GND
10 NU
(TO LCD PANEL
ASSEMBLY)
CN105
2.4
1 ILED2
2.4
2
ILED2
3
NC
48.6
4
VLED
5
NC
2.4
6
ILED1
2.4
7
ILED1
G