Marantz SR-3001, Service Manual

Page: 41 / 83

55
66 P60/_DREQ0 I/O NJW1157DATA - O - L NJW1157/CS42418 Data Input
67 VSS I VSS - - - GND
68 VSS I VSS - - - GND
69 P61/_TEND0 I/O NJW1157CLK - O - L NJW1157/CS42418 Clock Input
70 P62/_DREQ1 I/O NJW1157LATCH - O - L NJW1157 Latch Input
71 P63/_TEND1 I/O N.C.
-
O L L Open
72
P27/PO7/TIOCB5/
TMO1
I/O FLRA_ON
-
O H L Front Speaker On/Off
73
P26/PO6/TIOCA5/
TMO0
I/O N.C.
-
O
-
L Open
74
P25/PO5/TIOCB4/
TMCI1
I/O SURR_ON - O H L SURR/CNT Speaker On/Off
75
P24/PO4/TIOCA4/
TMRI1
I/O AVSS - O H L Power Amp ± B_L_Sel
76
P23/PO3/TIOCD3/
TMCI0
I/O _HEAT_DET - I H -
Power Amp Heat sink
TempDetect
77
P22/PO2/TIOCC3/
TMRI0
I/O _STANDBY - O L L Standby Power
78 P21/PO1/TIOCB3 I/O _HP_DET - I L - HP Jack Detect
79 P20/PO0/TIOCA3 I/O HP_ON - O H L Head Phone On
80 VCL I VCL - - - -
81 _RES I _RST - L - Reset
82 NMI I NMI - - - Fix H(At the time of the un-use)
83 _STBY I _STBY - L H FixH
84 VCC I Vcc - - - +5V
85 XTAL I XTAL - - - Xtal(20M)
86 EXTAL I EXTAL - - - Xtal(20M)
87 VSS I VSS -
-
-
-
-
-
-
-
- - GND
88 PF7/<B I/O SEL- - I - - Front Select. Encoder
89 VCC I Vcc - - - - +5V
90 PF6 I/O SEL+ - I - Front Select. Encoder
91 PF5 I/O _STBY LED L O L H Standby LED On
92 PF4 I/O _RSFL - O L L Front FL Driver
93 PF3 I/O VOL-
-
I
-
Front Vol. Encoder
94 PF2 I/O VOL+
-
I
-
Front Vol. Encoder
95 PF1 I/O CTS
-
I
-
-
-
-
-
UART
96 PF0 I/O RTS H O H - UART
97 P50/TxD2/_IRQ4 I/O OSDDATA - O - L NJU3430 Data Input
98 P51/RxD2/_IRQ5 I N.C - I - - Pull Down 10k
99 VSS I VSS - - - GND
100 VSS I VSS -
-
-
- - GND
101 P52/SCK2/_IRQ6 I/O OSDCLK - O - L NJU3430 Clock Input
102
P53/_ADTRG/
_IRQ7
I/O _RSTFL - O L L Reset FL Driver
103 AVCC I AVCC - - - +5V
104 Vref I VREF -
-
-
- - +5V
105 P40/AN0 I KEY0 - AD - Front Key
106 P41/AN1 I KEYBÒ - AD - Front Key
107 P42/AN2 I KEY2 - AD - Front Key
108 P43/AN3 I N.C. - I - Pull Up 47k
109 P44/AN4 I P_LINE_FAIL - AD - Emergency Protection
110 P45/AN5 I MODE - AD - CPU mode
111 P46/AN6/DA0 I N.C. - I - Open
112 P47/AN7/DA1 I N.C. - AD -
-
-
-
-
-
-
-
-
Pull Down 47k
113 AVSS I VSS - - - - GND
65 VSS I VSS -
-
-
- - - GND
114 VSS I VSS - - - - GND
115
P17/PO15/TIOCB2/
TCLKD
I/O SB_ON - O H L Surroud Back On: H / Off: L
116
P16/PO14/
TIOCA2
I/O RC_OUT - O - L RC BUS Output
117
P15/PO13/TIOCB1/
TCLKC
I/O N.C. - O - - Pull Up 47k
118
P14/PO12/
TIOCA1
I/O N.C. - O - L Open
119
P13/PO11/TIOCD0/
TCLKB
I/O KILLIR L O H L Kill to IR input signal.
120
P12/PO10/TIOCC0/
TCLKA
I/O N.C. - O - L Open
121
P11/PO9/TIOCB0/
_DACK1
I/O N.C. - O - L Open
122
P10/PO8/TIOCA0/
_DACK0
I/O RC_IN - T_IN - IR In for RC-5
123 MD0 I MD0 - YES - +5VL
124 MD1 I MD1 - YES - Fix H
125 MD2 I MD2 - YES -
-
-
-
Normal :H, Boot :L
126 PG0 I/O _FCS - OL H DSP Chip Enable
127 PG1 I/O _RSTDSP - OL L DSP Reset
128 PG2 I/O _SCS - OL H DSP Chip Enable
pin port I/O Name STBY Note
mode = 7 set use Act. init
Port Setting
IC41 : H8S2398