Ir2110 (X2382A00); Lb1409M (X0654A00) - Yamaha PC4800N Service Manual

PC9500N/PC4800N

IR2110 (X2382A00)

●
PC9500M PS10: IC103,IC104
PC4800M PS5: IC103,IC104
DRIVER
LC 1
COM 2
VCC 3
4
VS 5
VB 6
HC 7

LB1409M (X0654A00)

●
PC9500M IN10: IC701, IC702
PC4800M IN5: IC701, IC702
LED DRIVE
V 1
CC
Vref1 2
+
V 3
IN
–
4
V
IN
OUT 5
GND 6
D1
7
D2 8
18
V
14 DD 9
13 VSS
HIN
10
12 LIN
11 SD
SD 11
HIN
10
LIN 14
9 VDD
8
V SS 15
16
Vref2
15 D9
14 D8
13 D7
+
V 3
IN
12 D6
–
4
V
IN
11 D5
10 D4
9 D3
HV
LEVEL
R Q SHIFT
S
V /V
DD CC
LEVEL
SHIFT
PULSE PULSE
GEN GEN
V DD /V CC
LEVEL
SHIFT
S
Q
R
Vref 1 V Vref 2 D9
CC
2 1 16 15
4.69K
R9
–
R10 R20
COM
10K 5
+
9
5 6
OUT GND
6
UV
DETECT
R Q
R
PULSE 7
FILTER
S
5
3
UV
DETECT
1
DELAY
2
13, 12, 11, 10, 9, 8
R7(2.34K), R6(1.66K), R5(1.17K)
R4(830), R3(586), R2(414)
D8 D1
14 7
3.31K 1K
R8 R1
– –
COM COM
+ +
8 1
V
B
HO
V
S
V CC
LO
COM