Marantz HD-DAC1, Service Manual

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Pin assign
Pin Port name Function name I/O Pullup STBY DESCRIPTION
1 PE2 V_PROTECT I - I PROTECT
2 PE3 NC O - O/L NC
3 PE4 P_DOWN I - I AC_OFF_DETECT
4 PE5 CTL_USB O - O/L CTL_USB
5 PE6 USBA_DET I - I USB_OC_DET
6 VBAT VBAT - - - 3.3V
7 PC13 NC O - O/L NC
8 PC14 / OSC32_IN OSC32_IN - - - NC
9 PC15 / OSC32_OUT OSC32_OUT - - - NC
10 PF0 FL_DA O - O/L FL_DATA
11 PF1 FL_RST O - O/L FL_RST
12 PF2 FL_CLK O - O/L FL_CLK
13 PF3 FL CS O - O/L FL_CS
14 PF4 ENC+ I - I Input Selector
15 PF5 ENC- I - I Input Selector
16 VSS_5 - - - FIXED TO THE GND
17 VDD_5 - - - 3.3V
18 PF6 NC I/O - O/L NC
19 PF7 NC I/O - O/L NC
20 PF8 NC I/O - O/L NC
21 PF9 NC I/O - O/L NC
22 PF10 NC I/O - O/L NC
23 PH0 / OSC_IN XTAL_IN I - - 8Mhz Xtal
24 PH1 / OSD_OUT XTAL_OUT O - - 8Mhz Xtal
25 NRST RESET I - - RESET
26 PC0 KEY1 I - I KEY PORT
27 PC1 KEY2 I - I KEY PORT
28 PC2 VOL_DOWN O - O/L MOTOR VR DOWN
29 PC3 MODEL_ID1 I - I OPTION PORT
30 VSSA - - - FIXED TO THE GND
31 VREF- - - - FIXED TO THE GND
32 VREF+ - - - 3.3V
33 VDDA - - - 3.3V
34 PA0 / WKUP NC O - O/L NC
35 PA1 GAIN1 O - O/L HP GAIN1 CTL
36 PA2 GAIN2 O - O/L HP GAIN2 CTL
37 PA3 HP_MUTE O - O/L HP_MUTE
38 VSS_4 - - - FIXED TO THE GND
39 VDD_4 - - - 3.3V
40 PA4 CONT5 O - O/L IC21(DSP IC: M240T100C5N)_86PIN
41 PA5 USBB_DSD_PCM I - I IC21(DSP IC: M240T100C5N)_64PIN
42 PA6 D_MUTE O - O/L IC21(DSP IC: M240T100C5N)_77PIN
43 PA7 DAC_CONT_SEL O - O/L IC21(DSP IC: M240T100C5N)_78PIN
44 PC4 DAC_RST_IN O - O/L IC21(DSP IC: M240T100C5N)_81PIN
45 PC5 DSD_MUTE_F O - O/L IC21(DSP IC: M240T100C5N)_82PIN
46 PB0 USBB_MUTE I - I IC21(DSP IC: M240T100C5N)_72PIN
47 PB1 USB_MODE O - O/L IC21(DSP IC: M240T100C5N)_55PIN
48 PB2 / BOOT1 BOOT1 I - - FIXED TO THE GND
49 PF11 AUDIO_DSD/PCM O - O/L IC21(DSP IC: M240T100C5N)_85PIN
50 PF12 EPM(M/SEL) O - O/L IC21(DSP IC: M240T100C5N)_84PIN
51 VSS_6 - - - FIXED TO THE GND
52 VDD_6 - - - 3.3V
53 PF13 USBB_44/48 O - O/L IC21(DSP IC: M240T100C5N)_66PIN
54 PF14 PLD_DAC_SEL O - O/L IC21(DSP IC: M240T100C5N)_51PIN
55 PF15 SIGN_SEL O - O/L IC21(DSP IC: M240T100C5N)_76PIN
56 PG0 PLD_RSV3 O - O/L IC21(DSP IC: M240T100C5N)_50PIN
57 PG1 NC O - O/L NC
58 PE7 DIR1_CFLUG O - O/L IC42(DIR IC:PCM9211PTR)_1PIN
59 PE8 DIR1_RST O - O/L IC42(DIR IC:PCM9211PTR)_34PIN
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