Marantz NR1504 /U1B, Service Manual

Page: 152 / 184

Pin Pin Name Symbol I/O Pu/Pd LvCnv STBY STOP CEC
STBY
Function
47 P10/IRQ0-B
ADV7623 SPI
CS
O - - L L L OSD control pin (ADV7623)
48 P37/PO15/TIOCA2/
TIOCB2/TCLKD-A
EEPROM SDA I_O M3VPu - I I I EEPROM control pin
49 P36/PO14/TIOCA2 EEPROM SCL O M3VPu - I I I EEPROM control pin
50 P35/PO13/TIOCA1/
TIOCB1/TCLKC-A
NC O - - L L L NC
51 P84 CEC_OUT O - - L L - CEC-D signal input pin
52 P57/WAIT#/
TRDATA3
ADV3002 RST O SW3VPu - L L L
HDMI switcher RESET control pin
(ADV3002)
53 P56/TRDATA2 E SPI MOEI O N3VPu - L L L
ETHERNET communication control pin
(DM860)
54 P55/TRDATA1 ADV7623 RST O SW3VPu - L L L
HDMI Tx/ip Scaler/OSD RESET control pin
(ADV8003)
55 P54/TRDATA0 E SPI MIEO I N3VPu - I L I
ETHERNET communication control pin
(DM860)
56 P83 E SPI CLK O N3VPu - L L L
ETHERNET communication control pin
(DM860)
57 VSS VSS - - - - - - GND
58 P82/TRCLK FL CE O - - L L L VFD control pin
59 VCC VCC - - - - - - +3.3V
60 P81/TRSYNC FL RST O - - L L L VFD control pin
61 P80 VIN A O - 3->5 L L L
A-VIDEO (CVBS) switcher control
pin(TC4051)
62 BCLK/P53(input only) BT LINK I - - I I I Bluetooth (M-Xport) detection pin
63 P52/RD# EV SCL O - - L L L SLI 11131 CONTROL
64 P51/WR1#/BC1# EV SDA O - - L L L SLI 11131 CONTROL
65 P50/WR0#/WR# NC O - - L L L NC
66 P77 VIN B O - 3->5 L L L
A-VIDEO (CVBS) switcher control
pin(TC4051)
67 P76/IRQ14-A TU GPO2_INT I - - L L L TUNER GPIO2 input pin
68 P75 DSP ROMRST O - - I I I Memory reset for DSP (Reset : L)
69 PC7/A23/CS4#-D/
CS7#-D/TxD5
DSP MOSI O DA3VPu - L L L DSP control pin (ADSP21487KSWZ-3B)
70 PC6/A22/CS6#-D/
RxD5
DSP MISO I DA3VPu - L L L DSP control pin (ADSP21487KSWZ-3B)
71 PC5/A21/CS5#-D/
SCK5
DSPI CLK O DA3VPu - L L L DSP control pin (ADSP21487KSWZ-3B)
72 PC4/A20 DSP RST O - - L L L
DSP(ADSP21487KSWZ-3B) reset output
pin (Reset : L)
73 PC3/A19 DSP FLAG0 I Pd - L L L DSP control pin (ADSP21487KSWZ-3B)
74 VCC VCC - - - - - - +3.3V
75 PC2/A18 DSP ICS O DA3VPu - L L L DSP control pin (ADSP21487KSWZ-3B)
76 VSS VSS - - - - - - GND
77 PC1/A17 GRN LED O - - L L L POWER LED control pin(ON:H)
78 PC0/A16 RED LED O - - L/H L H POWER/STANDBY LED control pin (ON:H)
79 PB7/A15/PO31/
TIOCA11/TIOCB11
H/P RL O - - L L L HEADPHONE RLY control pin
80 PB6/A14/PO30/
TIOCA11
FRONT RL O - - L L L SPEAKER RELAY control pin
81 PB5/A13/PO29/
TIOCA10/TIOCB10
HIN SELC O - - L L -
TC74VHC4051AFT control pin. (Control
the detection of HDMI 5V INPUT for CEC
STANDBY. )
82 PB4/A12/PO28/
TIOCA10
TU_SEN O - - L L L TUNER control pin
83 PB3/A11/PO27/
TIOCC9/TIOCD9
C/S RL O - - L L L
CENTER/SURROUND Ch RELAY control
pin
84 PB2/A10/PO26/
TIOCC9
NC O - - L L L NC
85 PB1/A9/PO25/
TIOCA9/TIOCB9
D5V POWER O - - L L H
DIGITAL POWER SUPPLY (D5V) control
pin (ON:H)
86 P74/ADTRG3# DIR CE O - - L L L DIR control pin (PCM9211)
87 P73 DIR DIN O - - L L L DIR control pin (PCM9211)
88 P72 DIR DOUT I DA3VPu - I I I DIR control pin (PCM9211)
89
P71/CS4#-C/
CS5#-C/CS6#-C/
CS7#-C
DIR CLK O - - L L L DIR control pin (PCM9211)
152