Sony FWD-40LX1 Service Manual page 111

G3 (1/2) FA5501N-TE1 (IC6000)
MUL
3
VREF(2.5V)
VREF(2.5V)
VDD(5.0V)
VOVP(1.09VREF)
ERRAMP
VZCD(1.5V/1.33V)
MUL VOS(2.0V)
_
FB 1 VSP(0.3V)
COMP 2
VOS(2.0V)
AOC
_ _
VSP(0.3V)
_
SP
VOVP(1.09VREF)
+ _
OVP
_
VZCD(1.5V/1.33V)
GND 6
4 5
IS ZCD
G3 (1/2) MCZ3001UB (IC6100)
VD VC1
18
REMOTE
OVLO INTERNAL
OVP
15V/8V REF 5V
1 V
V SENSE
SENSE
LATCH
COUNTER
SS OSC
F/B TIMER
7 4 3 2
SS CT RT F/B TIMER
FWD-40LX1
VCC
8
UVLO
REF
7 OUT
R
Q
OVP
S SP
R
TIMER
R
8
DRIVER
REG. 10 V
TSD
14
VB
LEVEL
16
VGH
SHIFT
CONTROL
LOGIC 15
VS
10 C2
12 VGL
11 P.GND
OCP 9
OCP
6
G3 G3
G3 (1/2) MM1431ATT (IC6200, IC6301)
K
3
V REF +
1
_
2
A
G3 (1/2) PQ15RW11J00H (IC6401)
G3 (1/2) PQ15RW21J00H (IC6400)
VIN 1 2 VO
SPECIFIC IC
4 VADJ
3
GND
G3 (2/2) PQ1CG2032FZ (IC6450, IC6451)
1
VIN
VOLTAGE ON/OFF
REGULATOR CIRCUIT
PWM COMP
_
Q
OVERCURRENT
R
F/F
DETECTION
CIRCUIT
S ERROR AMP
_
OVERHEAT
DETECTION
CIRCUIT
3
COM
8-15 8-15
G3 (1/2) NJM2901M-TE2 (IC6300)
1
OUTPUT 2
OUTPUT 1 2
V+ 3
INPUT 1_ 4
INPUT 1+ 5
INPUT 2_ 6
INPUT 2+ 7
G3 (2/2) SN105233DBTR (IC6500, IC6600)
SOFTSTART1 3 SOFTSTART1
SET1
FB1 2
_
1
INV1
0.85V
ERR AMP
CT 5 OSC
OVP1
_
0.85V+12%
_
OVP2
0.85V+12%
FLT 11 TIMER
2 VOUT
UVP1
0.85-22%
UVP2
5
ON/OFF
0.85-22%
FB2 14
4 INV2 15
OADJ
ERR AMP
GND 7
VREF
0.85V
SET2
SOFTSTART2 13 SOFTSTART2
STBY1 STBY2
9
STBY1
10
STBY2 VREF
0.85V
REF 8
14 OUTPUT 3
13 OUTPUT4
GND
12
11 INPUT 4+
10 INPUT 4_
9
INPUT 3+
8 INPUT 3_
VREF6
PWM COMP LH1
30
_
29 OUT1_U
DLY
28
LL1
VLSD
21
DLY
OUT_D
27
26 OUTGND1
CURRENT COMP
UVLO
25 TRIP1
STBY1
SET1
24 VCC
CURRENT
PROTECTION
STBY2
TRIGGER
SET2
23 TRIP2
PHASE CURRENT COMP
INVERTER
20 OUTGND2
19 OUT2_D
DLY
PWM COMP
18 LL2
DLY 17 OUT2_U
_
16 LH2
UVLO COMP
UVLO
VCC
22 VREF5
5.6VREG