Ic Block Diagram - Yamaha QY100 Service Manual

QY100

IC BLOCK DIAGRAM

HD29051FP(XV708A00)
DM: IC22
Line Transceiver
1
16
1B
2 15
1A
3
14
1R
4
13
1DE
5
12
2R
6
11
2A
7 10
2B
8
9
GND
M5291FP-600C(XR858A00)
DM: IC24
DC-DC Converter
1
Switch-Collector
Switch-Emitter
2
Capacitor
3
Ground 4
TC7W14FU(XN883A00)
TC7WH14FU(XY806A00)
DM: IC34, 43, 52
Inverter
16
TC74HC374FPEL(XL342A00)
DM: IC10
Octal 3-Stage D-FF
OUTPUT
V
CC
CONTROL
1D
1Y
1Z
2DE
2Z
2Y
2D
GND
8
Q
S
R
7
Generator
Comparator
6
1.17V +
reference
voltage
5
TC74HCT04AF-T1(XI297A00)
TC74VHCT04AF (XI297A00)
DM: IC16, 17, 20
Inverter
1A
1Y
2A
2Y
3A
3Y
Vss
1 20 Vcc
1Q 2 19 8Q
Q Q
OE OE
D CK CK D
1D 3 18 8D
2D 4 D CK CK D 17 7D
OE OE
Q Q
2Q 5 16 7Q
3Q 6 Q Q 15 6Q
OE OE
D CK CK D
3D 7 14 6D
4D 8 13 5D
D CK CK D
OE OE
Q Q
4Q 9 12 5Q
10 11 CLOCK
Driver
Peak current detect
Power supply
Input
1 14
VDD
2
13
6A
3 12
6Y
4
11
5A
5
10
5Y
6
9
4A
7
8
4Y
TC74LV164AFPEL(IS016400)
DM: IC44
Shift Resister
A 1 14 VCC
SIRIAL
A
INPUT
B 2 B QH 13 QH
QA 3 QA QG 12 QG
QB 4 QB QF 11 QF
OUTPUTS
QC 5 QC QE 10 QE
QD 6 QD CLEAR 9 CLEAR
CK
A
GND 7 8 CLOCK
SC7SU04FEL(XI348A00)
TC7SH04FU(XS775A00)
DM: IC35, 37
Inverter
NC 1 5 VDD
IN 2
3 4
VSS OUT
TC74HC245AF(XS720A00)
TC74VHC245AF(XV242A00)
DM: IC11, 18
Buffer
D1R 1 20 V
A1 2 19 G
A2 3 18 B1
A3 4 17 B2
A4 5 16 B3
A5 6 15 B4
A6 7 14 B5
A7
8 13 B6
A8 9 B7
12
GND 10 11 B8
OUTPUTS
CC