Parts; Ic; Pin Connection (Top View) - Pioneer pdr-w739 Service Manual

PDR-W739

7.2 PARTS

7.2.1 IC

• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
•
List of IC
BA6417F, NJM2121D, PD9020A, PE5147B, PE5148A, PE5574A, AK5353VT
BA6417F (MAIN ASSY : IC1302)
• Motor Drive IC

Pin Connection (Top view)

RIN 5
VREF 6
7
OUT2
GND 8
Logic table of Input/Output
FIN RIN OUT2 OUT1
H L L H
L H H L
H H L L
L L OPEN OPEN
NJM2121D (POWER SUPPLY ASSY : IC1651, IC1652)
• Switching OP Amp
•
Pin Connection (Top view)
SW CONTROL 1
A +INPUT 2
A -INPUT 3
V- 4
76
4
FIN
3 VCC
2
VM
1 OUT1
Mode
Positive mode
Reverse mode
Brake mode
Standby mode
8
V+
7 B +INPUT
B -INPUT
6
OUTPUT
5
Pin Function
No. Pin Name
1 OUT1 Motor output pin
2 VM Power supply pin of the motor section
3 VCC Power supply pin
4 FIN Logic input pin
5 RIN Logic input pin
6 VREF Output High voltage setting pin
7 OUT2 Motor output pin
8 GND GND pin
Pin Function