Marantz CR710/F1W Service Manual page 15

PIN No. NAME I/ O FUNCTIONAL DESCRIPTION
This terminal controls IO0~IO3 terminal.
At "L" level time, IO0, 1 out feed equalizer signal of
68 DMOUT
I
2-state PWM. IO2, 3 out disk equalizer signal of 2-state
PWM.
69 CKSE I Normally, keep at open.
70 DACT I DAC test mode terminal. Normally, keep at open.
71 TESIN I Test input terminal. Normally, keep at "L" level.
72 TESIO1 I Test input/output terminal. Normally, keep at "L" level.
73 V - Digital GND terminal.
SS
Crystal oscillator connecting input terminal for DSP.
74 PXI I
Normally, keep at "L" level.
75 PXO O Crystal oscillator connecting output terminal for DSP.
76 V - Digital power supply voltage terminal.
DD
77 XV - Oscillator GND terminal for system clock.
SS
Crystal oscillator connecting input terminal for system
78 XI I
clock.
Crystal oscillator connecting output terminal for
79 XO O
system clock.
Oscillator power supply voltage terminal for system
80 XV -
DD
clock.
81 DV - Analog GND terminal for DA converter. (R-ch)
SR
82 RO O R channel data forward output terminal.
83 DV - Analog supply voltage terminal for DA converter.
DD
84 DVR - Reference voltage terminal for DA converter.
85 LO O L channel data forward output terminal.
86 DV - Analog GND terminal for DA converter. (L-ch)
SL
87 TEST1 I Test mode terminal. Normal, keep at open.
88 TEST2 I Test mode terminal. Normal, keep at open.
89 TEST3 I Test mode terminal. Normal, keep at open.
90 BUS0 I/O
91 BUS1 I/O
Micom interface data input/output terminal.
92 BUS2 I/O
93 BUS3 I/O
94 V - Digital Ppower supply voltage terminal.
DD
95 V - Digital GND terminal.
SS
96 BUCK I Micom interface clock input terminal.
Command and data sending/receiving chip enable
97 CCE I signal input terminal.
The bus line becomes active at "L" level.
98 TEST4 I Test mode terminal. Normal, keep at open.
99 TSMOD I Local test mode selection terminal.
100 RST I Reset signal input terminal. Reset at "L" level.
REMARKS
With pull-up resistor.
With pull-up resistor.
With pull-up resistor.
Analog input.
Analog input.
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With pull-up resistor.
With pull-up resistor.
With pull-up resistor.
Schmit input.
With pull-up resistor.
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Schmit input.
Schmit input.
With pull-up resistor.
With pull-up resistor.
With pull-up resistor.
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