Marantz SR7500/A1B Service Manual page 47

IC11 IC12 (DVI PCB) : SiI 1161
Power and Ground Pins
Pin Name
VCC
GND
OVCC 18,29,43,57,78
OGND 19,28,45,58,76
AVCC 82,84,88,95
AGND 79,83,87,89,92
PVCC
PGND
Q121 (VIDEO CONVERTER PCB) : HN1K05FU
Equivalent Circuit
6 5
Q1
1 2
(Q1, Q2 common)
Switching Time Test Circuit
(a) Test circuit
1.5 V
IN
0
10 ms
V
IN
Pin #
6,38,67
5,39,68
97
98
(top view)
4
Q2
3
I
D
= 1.5 V
OUT V
DD
D.U. < = 1%
< 5 ns
V : t , t
IN r f
= 50 W)
(Z
out
Common Source
V
Ta = 25°C
DD
Type
Power Digital Core VCC, must be set to 3.3V.
Ground Digital Core GND.
Power Output VCC, must be set to 3.3V.
Ground Output GND.
Power Analog VCC must be set to 3.3V.
Ground Analog GND.
Power PLL Analog VCC must be set to 3.3V.
Ground PLL Analog GND.
Marking
6 5 4
KK
1 2 3
(b) V
IN
V
GS
(c) V
OUT
V
DS
67
Description
1.5 V
90%
10%
0
V
DD
90%
V
DS (ON)
t
r
t t
on off
10%
t
f