Pioneer PDP-4270XA Service Manual page 190

1
A
Pin Function
2.3 I2C bus interface terminal
Acronyms Terminal number
RGRED 75
SCL 71
B
SDA 72
SLA0 73
C
2.4 Terminal for test
Acronyms Terminal number
SCKSET 2
TEST 3
FCKM 77
BCKM 111
D
ATS1 139
ATS2 140
ATS3 142
VLPF1 149
E
VLPF2 171
Caution: Connect these terminals for test to GND unless otherwise instructed.
F
190
1
2
I/O Level Buffer type
PU/PD [kΩ]
O LVTTL 6 mA
N-ch open drain
I LVTTL Fail-safe
I/O LVTTL Fail-safe
N-ch open drain 6 mA
I LVTTL
I/O Level Buffer type
PU/PD [kΩ]
I LVTTL
I LVTTL
I LVTTL
I LVTTL
I Analog
I Analog
I Analog
O Analog
O Analog
PDP-427XD
2
3
2
I C register lead flag output (Active-Low)
2
I C bus clock input
Connect to the SCL line of the system.
2
I C bus data input/output
Connect to the SDA line of the system.
2
– I C bus slave address selection input
(L : B8h/B9h, H : BAh/BBh )
Connect to GND when set to low level and to
DVDD3 (3.3V) when set to high level.
– Test mode selection (L: normal, H: test mode)
– Test setting (L: normal, H: test mode)
– FCLK8 test mode selection
(L: normal, H: test mode)
– Test mode selection of BCLK8 terminal.
(L: normal, H: test mode)
– Analog test input
Connect to GND normally.
– Analog test input
Connect to GND normally.
– Analog test input
Connect to GND normally.
– Analog test output
Connect to GND via a 0.1µF capacitor.
– Analog test output
Connect to GND via a 0.1µF capacitor.
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4
Functions
Functions
4