Toshiba 32EL833G Service Manual page 40

5
+5V_Standby
U1 AX6607BA U1 AX6607BA
1
VIN
5
VOUT
C4 C4 C5 C5 R1 R1
D
ACDetect
Q35 Q35 NC NC
PMBS3906 PMBS3906
R3 R3 C11 C11
+5V_Standby
U2 AX6607BA U2 AX6607BA
1
VIN
5
VOUT
C15 C15 C16 C16
R10 R10
R6 R6 R18 R18 C12 C12
R13 R13
C
6 NORMAL_PWR_CTL
CN1 CN1
1
1
FB6 FB6 120Ohm 120Ohm
2 1 2
2
FB7 FB7 120Ohm 120Ohm
3 1 2
3
4
4
5
5
6
6
+5V_Standby
7
7
FB11 FB11 120Ohm 120Ohm
8 1 2
8
9 FB12 FB12 1 2 120Ohm 120Ohm
9
FB14 FB14 120Ohm/100Mhz 120Ohm/100Mhz
10 1 2
10
FB15 FB15 NC NC 120Ohm/100Mhz 120Ohm/100Mhz
11 1 2
11
12 FB16 FB16 1 2 120Ohm/100Mhz 120Ohm/100Mhz
12
FB17 FB17 120Ohm/100Mhz 120Ohm/100Mhz
13 1 2
13
14 FB18 FB18 1 2 120Ohm/100Mhz 120Ohm/100Mhz
14
WAFER_HD_1x14P WAFER_HD_1x14P
+ +
B
NC NC
NC NC
A
5
4
+5V_Standby
+3.3V_Standby
R2 R2 C7 C7 C8 C8
C35 C35 C36 C36
R19 R19 R377 R377 C41 C41
R4 R4
6 NORMAL_PWR_CTL
+5V_Standby
+3.3V_Normal
R370 R370 22Ohm 22Ohm
1 2
R374 R374 1 2 22Ohm 22Ohm
R375 R375 22Ohm 22Ohm C22 C22 C17 C17
1 2
C20 C20 C14 C14
C97 C97
R24 R24
6 NORMAL_PWR_CTL
+3.3V_Normal
R493 R493 NC NC
4.7KOhm 4.7KOhm
+12V_NORMAL
Q34 Q34 NC NC
3 3 PMBS3904 PMBS3904
C C
B B 1 1
1
E E R492 R492
2 2
10KOhm 10KOhm
ACDetect 6
BD_POWER_ON
OCP_OUTPUT_PWM
INVERTER_ON_OFF
NC NC +3.3V_Normal
+ +
+3.3V_Normal
R33 R33
4.7KOhm 4.7KOhm
R35 R35
33Ohm 33Ohm
1 2
Q6 Q6
3 3 PMBS3904 PMBS3904
C C
NC NC
B B 1 1
1 2
E E
R39 R39
2 2 4.7KOhm 4.7KOhm
4
3
VCC1.3V
U5 U5
AX3513BTA AX3513BTA L3 L3 4.7uH 4.7uH
4 3 1 2
VIN SW
2
GND
C389 C389 NC NC 18PF/50V 18PF/50V
5 1
FB EN
R21 R21 D4 D4 2 1
R22 R22 C38 C38 + + C26 C26
330KOHM 330KOHM
NC NC
2 1
C43 C43 C42 C42
1 2
NC NC
R23 R23
300KOhm 300KOhm
NC NC
U3 AX6607BA U3 AX6607BA
+2.5V_Normal
1
VIN
5
VOUT
R11 R11
C18 C18 C19 C19
R134 R134 C45 C45
R12 R12
+3.3V_Normal
R491 R491 NC NC
33KOHM 33KOHM
2
BD_PS_ON 6
NC NC
OCP_OUTPUT_PWM 16
+3.3V_Normal
R40 R40
4.7KOhm 4.7KOhm
R93 R93
33KOHM 33KOHM R95 R95
33KOHM 33KOHM
R42 R42
4.7KOhm 4.7KOhm
1 1 B B
1 2
STANDBY 6 6 BL_EN
3
2
+5V_Standby
U4 U4
AX3513BTA AX3513BTA
4
VIN SW
GND
5
FB
C39 C39 C24 C24 C25 C25
R14 R14 R376 R376 C32 C32
6 NORMAL_PWR_CTL
G2 G2 G1 G1
1 9 1 9
NP_NC GND8 NP_NC GND8
2 8 2 8
GND1 GND7 GND1 GND7
3 7 3 7
GND2 GND6 GND2 GND6
4 6 4 6
GND3 GND5 GND3 GND5
5 5
GND4 GND4
C315D138N C315D138N C315D138N C315D138N
G4 G4 G3 G3
1 9 1 9
NP_NC GND8 NP_NC GND8
2 8 2 8
GND1 GND7 GND1 GND7
3 7 3 7
GND2 GND6 GND2 GND6
4 6 4 6
GND3 GND5 GND3 GND5
5 5
GND4 GND4
C315D138N C315D138N C315D138N C315D138N
+3.3V_Normal
R41 R41
100Ohm 100Ohm
INVERTER_ON_OFF
2 1
3 3
C C
Q7 Q7
PMBS3904 PMBS3904
E E
2 2
2
1
+1.8V
L2 L2 4.7uH 4.7uH
3 1 2
2
D3 D3 C390 C390 15PF/50V 15PF/50V
1
EN
R16 R16 2 1
R15 R15 C28 C28 C29 C29
D
309KOhm 309KOhm
NC NC
2 1
C31 C31
NC NC
1 2
R17 R17
150KOhm 150KOhm
NC NC
C
B
A
Title : Title : Title :
DC to DC DC to DC DC to DC
CM Chang/Jeff Y Hsiao CM Chang/Jeff Y Hsiao CM Chang/Jeff Y Hsiao
Engineer: Engineer: Engineer:
MAIN BOARD MAIN BOARD MAIN BOARD
Size Size Size Project Name Project Name Project Name
Rev Rev Rev
xxA(L)V833/xxE(H)L833/xxDB833 xxA(L)V833/xxE(H)L833/xxDB833 xxA(L)V833/xxE(H)L833/xxDB833
C C C
1.02 1.02 1.02
Date: Date: Date: Wednesday, January 19, 2011 Wednesday, January 19, 2011 Wednesday, January 19, 2011 Sheet Sheet Sheet 4 4 4 of of of 18 18 18
1