Marantz SR8001 Service Manual

137
12. MICROPROCESSOR AND IC DATA
pin
No
Port Name
Mode7
I/O use STBY Name
Port Setting
Note
Act. init
1 PE5 I/O O I RS232C_SW RS232C Switch (Main CPU or HDMI CPU)
2 PE6 I/O O I AFDATA - L Analog Switch Data (TC94A46FG/TC9274N)
3 PE7 I/O O I AFCLK - L
Analog Switch Clock (TC94A46FG/
TC9274N)
4 PD0 I/O O I CE_TCA H L Analog Switch (TC94A46FG/TC9274N)
5 PD1 I/O O I _RSTDAC L L Reset for DAC (CS4382)
6 PD2 I/O O I _CS_DAC L H DAC CHIP SELECTION (CS4382)
7 PD3 I/O O I SWMUTE H H SUB W SPK MUTE
8 PD4 I/O O I CNTMUTE H H CENTER SPK MUTE
9 PD5 I/O O I SBMUTE H H SRR B SPK MUTE
10 PD6 I/O O I SL/SRMUTE H H SL/SR SPK MUTE
11 PD7 I/O O I L/RMUTE H H FRONT L/R SPK MUTE
12 Vss I - I VSS - - GND
13 PC0 I/O O I KILLFLASH H L Kill Flasher OUT
14 P1Vcc I YES I VCC - - +5V’
15 PC1 I/O O I S2P_DATA - L 4094 Data (74HC4094 x2pcs/CS4382)
16 PC2 I/O O I S2P_CLK - L 4094 Clock (74HC4094 x2pcs/CS4382)
17 PC3 I/O O I S2P_STB - H 4094 Strobe (74HC4094 x2pcs)
18 PC4 I/O O I S2P__ENABLE - L
4094 Output Enable (Disable 4094 before
strobe.) (74HC4094 x2pcs)
19 PC5 I/O O I MULTIMUTEA H H MULTI ROOM A MUTE
20 PC6 I/O O I MULTIMUTEB H H MULTI ROOM B MUTE
21 PC7 I/O O O KILLIR H L Kill to IR Input Signal
22 PB0 I/O O I VOL_DATA - L Ele Volume IC Data (TC9482)
23 PB1 I/O O I VOL_CLK - L Ele Volume IC Clock (TC9482)
24 PB2 I/O I I _TU_SD L H Tuner Tuned (Tuner Pack)
25 PB3 I/O I I TU_ST H Tuner Stereo/_MONO (Tuner Pack)
26 PB4 I/O O I TU_MUTE H H Tuner MUTE (Tuner Pack)
27 PB5 I/O O I _CE_TU L L Tuner PLL CE (Tuner Pack)
28 PB6 I/O O I _HDMI_LED L H HDMI LED On
29 PB7 I/O I I _P_AMP_FAIL L - Power Amp Dectect (Open Collector)
30 PA0 I/O O I TUDOUT - L Tuner PLL Data Out (Tuner Pack)
31 PA1 I/O O I TUCLK - L Tuner PLL Clock (Tuner Pack)
32 PA2 I/O I I TUDIN - L Tuner PLL Data In (Tuner Pack)
33 PA3 I/O I I RDS_DIN - L Tuner RDS Data In (Tuner Pack)
34 PA4 I/O O I _RSTFL L L Front FL Driver Reset (NJU3430)
35 PA5 I/O O I _CEFL L L Front FL Driver Chip Select (NJU3430)
36 PA6 I/O O I VOL_STB H L Ele Volume IC Strobe (TC9482)
37 PA7 I/O O I CLK_SW_0 - L
_DIR/HDMI Audio Clock Select, L:DIR, H:
HDMI (74VHC157)
38 PH7 I/O O I CLK_SW_1 - L
_DIR/Option Audio Clock Select, L:DIR, H:
Opt (74VHC157)
39 PH6 I/O O I _PCM_DSD_SEL -L
PCM/DSD DAC Audio input Select, L:PCM,
H:DSD (74VHC157)
40 PH5 I/O O I
ILLUMINATION_ON_OFF
LHFRONT ILLUMINATION ON/OFF
41 PH4 I/O O I HEAT H L Power Amp±B AC_L Select
42 PH3 I/O I I _HEAT_DET H - Power Amp Heatsink Temp Detect
43 PH2 I/O O I _STANDBY L L Standby Power
44 PH1 I/O I I _HP_DET L H HP Jack Detect
45 PH0 I/O O I HP_ON H L HEAD PHONE ON
46 PJ7 I/O SO O OSDDATA - L
Front FL, Video (OSD), 4094 Data
(NJM3430/LC74781/74HC4094 x3pcs)
47 PJ6 I/O O I DC_OUT1 L H DC Triger 1
48 PJ5 I/O SC I OSDCLK - L
Front FL, Video (OSD), 4094 Clock
(NJM3430/LC74781/74HC4094 x3pcs)
49 PJ4 I/O O I DC_OUT2 L H DC Triger 2
IC11 : HD64F2505

Marantz SR8001 Specifications

General

Brand	Marantz
Model	SR8001
Category	Receiver
Language	English