Toshiba 26EL933G, Service Manual

Page: 37 / 55

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Pd:0.4W
3.3V Standby Power
3.0V
Vout=1.2*(1+Ru/Rd)
Ru
Rd
Pd:0.4W
3.0V
Vout=1.2*(1+Ru/Rd)
165mA
Ru
Rd
3.3V Normal Power
Rd
Ru Pd:0.4W
2.2V
Vout=1.2*(1+Ru/Rd)
119.4mA
2.5V Normal Power
956.4mA Vout=0.6*(1+Ru/Rd)
Ru
Rd
2.2V
1.26V(min)
1.3V Normal Power 1.8V Normal Power
output voltage = 3.36V output voltage = 1.32V
output voltage = 3.36V
output voltage = 2.52V
Vout=0.6*(1+Ru/Rd)
Ru
Rd
2.2V
output voltage = 1.80V
OCP_OUTPUT_PWM
NORMAL_PWR_CTL
INVERTER_ON_OFF
DVD_POWER_ON
+12V_NORMAL
+5V_Standby
+5V_Standby +3.3V_Standby
+3.3V_Normal +5V_Standby +5V_Standby +2.5V_Normal
+5V_Standby
VCC1.3V
+3.3V_Normal
+5V_Standby
+1.8V
+3.3V_Normal
5V
+5V_Standby
5V
+12V_NORMAL
ACDetect 6
OCP_OUTPUT_PWM 16
NORMAL_PWR_CTL 6
STANDBY 6
BL_EN 6
DVD_PS_ON 6
Size Project Name
Rev
Date: Sheet of
Title :
Engineer:
C
4 19 Tuesday, December 06, 2011
MAIN BOARD
DC to DC
1.01
xxA(L)V933/xxE(H)L933
CM Chang/Jason Chang
Size Project Name
Rev
Date: Sheet of
Title :
Engineer:
C
4 19 Tuesday, December 06, 2011
MAIN BOARD
DC to DC
1.01
xxA(L)V933/xxE(H)L933
CM Chang/Jason Chang
Size Project Name
Rev
Date: Sheet of
Title :
Engineer:
C
4 19 Tuesday, December 06, 2011
MAIN BOARD
DC to DC
1.01
xxA(L)V933/xxE(H)L933
CM Chang/Jason Chang
C15
0.1UF/16V
1
2
C36
0.1UF/16V
1
2
R3
100KOHM
1
2
S D
G
Q32
AP4435GM
NC
1
2
3
5
6
7
8
4
C31
0.1UF/16V
1
2
R13 22Ohm 1 2
L2 4.7uH
2 1
R5
360Kohm
1 2
C39
0.1UF/16V
1
2
R465
10KOhm
NC
1
2
R21
220KOhm
1
2
C1
1UF/16V
1
2
G4
C315D138N
NP_NC
1
GND1
2
GND2
3
GND3
4
GND7
8
GND6
7
GND5
6
GND4
5
GND8
9
C30
0.1UF/16V
1
2
C17
0.1UF/16V
1
2
R17
110KOhm
1
2
C390
1UF/16V
NC
1
2
CN1
WAFER_HD_1x14P
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
C10
0.1UF/16V
1
2
C25
0.1UF/16V
1
2
C34
10UF/10V
1
2
R15 22Ohm 1 2
C358
10UF/16V
NC
1
2
C41
0.1UF/16V
NC
1
2
R463
47KOHM
NC
1 2
C23
0.1UF/16V
1
2
C33
0.1UF/16V
1
2
U1 RT9043-GB
VIN
1
GND
2
EN
3
FB
4
VOUT
5
C29
0.1UF/16V
1
2
C11
22UF/6.3V
NC
1
2
C3
1UF/16V
1
2
C13
10UF/10V
1
2
R18
100KOhm
1
2
R464
0Ohm
NC
1
2
R23
220KOhm
1
2
C99
0.1UF/16V
NC
1
2
C18
10UF/10V
NC
1
2
C100
10UF/10V
NC
1
2
R2
180KOhm
1
2
R10
300KOhm
1 2
U2
RT8059GJ5
EN
1
GND
2
LX
3
VIN
4
FB/VOUT
5
R12
100KOhm
1
2
U3
RT8059GJ5
EN
1
GND
2
LX
3
VIN
4
FB/VOUT
5
C22
1UF/16V
1
2
R19
100KOhm
1
2
R4
220KOhm
1
2
C35
0.1UF/16V
1
2
C2
0.1UF/16V
1
2
R8
309KOhm
1 2
C391
0.1UF/16V
NC
1
2
R20
100KOHM
1
2
R14 22Ohm
1 2
G5
C315D138N
NP_NC
1
GND1
2
GND2
3
GND3
4
GND7
8
GND6
7
GND5
6
GND4
5
GND8
9
C12
0.1UF/16V
1
2
C42
0.1UF/16V
NC
1
2
R6
100KOHM
1
2
R9
220KOhm
1
2
R11
150KOhm
1 2
R34
4.7KOhm
1
2
R77 33Ohm
1 2
C4 10PF/50V
1 2
B
C
E
1
2
3
Q31
PMBS3904
NC
L1 4.7uH
2 1
C392
0.1UF/16V
NC
1
2
C19
10UF/10V
1
2
R22
100KOHM
1
2
C27
0.1UF/16V
1
2
G1
C315D138N
NP_NC
1
GND1
2
GND2
3
GND3
4
GND7
8
GND6
7
GND5
6
GND4
5
GND8
9
R468
0Ohm
NC
1 2
R31
4.7KOhm
1
2
R1
330KOhm
1
2
C74
0.1UF/16V
NC
1
2
R466
4.7KOhm
NC
1 2
C26
1UF/16V
1
2
C16
0.1UF/16V
1
2
R16
180KOhm
1
2
C32
0.1UF/16V
1
2
G2
C315D138N
NP_NC
1
GND1
2
GND2
3
GND3
4
GND7
8
GND6
7
GND5
6
GND4
5
GND8
9
R7
220KOhm
1
2
1
2
3
4
5
CN5
WAFER_HD_5P
NC
1
2
3
4
5
C7
0.1UF/16V
1
2
R467
10KOhm
NC
1
2
R76 33Ohm
1 2
R56
4.7KOhm
NC
1
2
C6
10UF/10V
1
2
C28
1UF/16V
1
2
C8
22UF/6.3V
1
2
C37
0.1UF/16V
1
2
C393
10UF/10V
NC
1
2
C40
10UF/10V
NC
1
2
C20
0.1UF/16V
1
2
C21
0.1UF/16V
1
2
C5 10PF/50V
1 2
C38
0.1UF/16V
1 2
U4 RT9043-GB
VIN
1
GND
2
EN
3
FB
4
VOUT
5
C24
1UF/16V
1
2
U5 RT9043-GB
VIN
1
GND
2
EN
3
FB
4
VOUT
5