Marantz PM-10 Service Manual page 33

Pin Port I/O use Name
33 P74/KR4/INTP8 I/O I VOL_A
34 P73/KR3 I/O O NC
35 P72/KR2/SO21 I/O O L_DATA
36 P71/KR1/SI21/SDA21 I/O O L_CS
37 P70/KR0/SCK21/SCL21 I/O O L_SCL
RC5_
38 P06/TI06/TO06 I/O O
OUT
39 P05/TI05/TO05 I/O O KILL_IR
40 P30/INTP3/RTC1HZ/SCK11/SCL11 I/O I READY
41 P50/INTP1/SI11/SDA11 I/O I DET
42 P51/INTP2/SO11 I/O I AD_INT
V_
43 P52/SO31 I/O O
DATA_R
44 P53/SI31/SDA31 I/O O NC
V_CLK_
45 P54/SCK31/SCL31 I/O O
R
46 P55 I/O O NC
47 P17/TI02/TO02 I/O O V_MUTE
48 P16/TI01/TO01/INTP5 I/O O V_CS_R
V_CLK_
49 P15/SCK20/SCL20 I/O O
L
50 P14/RxD2/SI20/SDA20 I/O O V_CS_L
V_DAT_
51 P13/TxD2/SO20 I/O O
L
52 P12/SO00/TxD0/TOOLTxD I/O O TXD
53 P11/SI00/RxD0/TOOLRxD/SDA00 I/O I RXD
54 P10/SCK00/SCL00 I/O O NC
55 P110 I/O O NC
56 P111 I/O O NC
LED_
57 P146 I/O O
DISP
58 P147/ANI18 I/O O NC
POW_
59 P100/ANI20 I/O O
MUTE
HP_
60 P153/ANI11 I/O O REL_
OUT
LED_
61 P152/ANI10 I/O O
STBY
LED_
62 P151/ANI9 I/O O
POWER
63 P150/ANI8 I/O O NC
64 P27/ANI7 I/O O NC
65 P26/ANI6 I/O I SEL
66 P25/ANI5 I/O I AD_1
FCBS_
67 P24/ANI4 I/O I
TACT
68 P23/ANI3 I/O I NC
Port Setting
Note
Act. stby Exit R
H - PU 10k Volume Rotary Encorder
L L -
- LCD-Controler (ST7032) Serial Data
- LCD-Controler (ST7032) CE
- LCD-Controler (ST7032) Serial Clock
H L PD 10k RC5 Output
L H PD 10k RC5 Kill (Kill:L)
H - PU 10k NC500 Notice of Ready (Ready/Not Ready=H/L)
L - PU 10k Signal Detect (No Signal:L)
L - PU 10k Analog Key Detect (L:interrupt)
Volume IC(MAS6116) Serial Data (R ch)
L L -
SPI 2MHz
L L -
Volume IC(MAS6116) Serial Clock (R ch)
L L -
SPI 2MHz
L L
H L PD 10k Volume IC(MAS6116) MUTE control MUTE On:H
H L - Volume IC(MAS6116) CS (R ch)
L L - Volume IC(MAS6116) Serial Clock (L ch)
H L - Volume IC(MAS6116) CS (L ch)
L L - Volume IC(MAS6116) Serial Data (L ch)
- L PD 10k System Control Bus Output/Update
- - PU 47k System Control Bus Input/Update
L L
L L
L L
H L PD 10k Illumination LED (H:LED ON)
L L
H/L=Mute ON/OFF( ※ Standby power at standby NG
H H PD 10k
Required to be reviewed)
L L PD 10k H/L=Mute OFF/ON
H H PD 10k Standby LED (H:LED ON)
H L PD 10k Power LED (H:LED ON)
L L
L L
- - - Input Selector A/D Port
- - - Forwarding distinction port(N:H、F/U/K:L)
H - PD 10k FCBS Tact SW (H:Tact on)
PD 10k
Pin Port I/O use
69 P22/ANI2 I/O I
70 P21/ANI1/AVREFM I/O - AVREFM
71 P20/ANI0/AVREFP I/O - AVREFP
72 P130 I/O O POW_1
73 P04/SCK10/SCL10 I/O O POW_2
74 P03/ANI16/SI10/RxD1/SDA10 I/O O
75 P02/ANI17/SO10/TxD1 I/O I
76 P01/TO00 I/O I
77 P00/TI00 I/O O
78 P144/SO30/TxD3 I/O O
79 P143/SI30/RxD3/SDA30 I/O O
80 P142/SCK30/SCL30 I/O O
Act: Active, Init: Initial, Stby: Standby, Ext R: External R
33
Port Setting
Name Note
Act. stby Exit R
LCD Driver Communication mode setting input
D_SET - - PD 47k H/L = Communication during communication / opera-
tion at 100 msec
- - - GND
- - - 3.3V
H L PD 10k Power Relay On (ON:H)
H L PD 10k Power Relay On (ON:H)
NC L L
M_B_
L - PD 47k Detect Main Power On (L:Main B Down)
DOWN
BI - - PU 47k Stereo/Bi Amp SW (H/L)
S_CE L L PD 47k Relay control 4094 CE
S_DI H L - Relay control 4094 Serial Data
S_OE H L - Relay control 4094 OE
S_CLK H L - Relay control 4094 Serial Clock