Pioneer DVR-520H-S Service Manual page 124

1
PST3428U (MAIN ASSY : IC4003)
• Reset IC
A
Pin Arrangement (Top view)
VOUT
VDD
B
Pin Function
No. Pin Name
1 VOUT Reset signal output
2 VDD Power supply / voltage detection
3 NC Not connected
4 VSS VSS
C
PST3809U (MAIN ASSY : IC4005)
• Reset IC
Pin Arrangement (Top view)
D
OUT
VDD
E
Pin Function
No. Pin Name
1 OUT Reset signal output
2 VDD Power supply / voltage detection
3 NC Not connected
4 GND Ground
F
124
1
2
1 4 VSS
2 3 NC
1 4 GND
2 3 NC
2
3
Block Diagram
VDD 2
Vref
VSS 4
Function
Block Diagram
VDD 2
Vref
GND 4
Function
DVR-520H-S
3
4
1
VOUT
1
OUT
4