Denon AVR-4810, Service Manual

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90
AVR-4810CI/AVR-4810
R5F64169DFD Terminal
Pin Pin Name Synbol I/O Type Pullup LvCnv STBY stop Function
1 P96/TXD4 NC O C - - O/L O/L Not used
2 P95/(CLK4) NC O C - - O/L O/L Not used
3 P94/(CTS4) NC O C - - O/L O/L Not used
4 P93/(CTS3) GUI ACK I - - - O/L O/L GUI control pin
5 P92/TXD3 HDRADIO MOHI O C - - O/L O/L HD RADIO control
6 P91/RXD3 HDRADIO MIHO I - - - O/L O/L HD RADIO control
7 P90/(CLK3) E POWER O C - - O/L O/L ETHER POWER control pin
8 P146/INT8 POWER KEY I - 3VPu - I I POWER KEY(WAIT MODE cancel interrupt port)
9 P145/INT7 NC I - 3VPu - I I Not used
10 P144/INT6 PROTECTION(ASO) I - (3Vin) - I I PROTECTION detect pin(ASO)
11 P143 CPU POWER O C - - O/L O/L MAIN CPU POWER control pin
(POWER ON: H) STANDBY: H (ETHER=ON or CEC ON ))
12 VDC0 VDC0 - - - - - - Smoothing capacitor connection pin
13 P141(INPUT
ONLY) REQ SOMI I - - - I O/L
MAIN-SUB μ com comm. control input pin
14 VDC1 VDC1 - - - - - - Smoothing capacitor connection pin
15 NSD NSD - - M3VPu - - - Emulator communication pin
16 CNVss CNVSS - - Pd - - - Single-chip / Micro-processor mode switching (Normal
single-chip : L, Rewrite boot program start : H input set)
17 P87/(XCIN) E RESET O C Pd - O/L O/L ETHERNET RESET control pin
18 P86/
(XCOUT) 232C POWER/REMOTE
PWR O C - - O/L O/L 232C POWER control pin(ON: H)/REMOTE POWER
19 RESET RESET - - M3VPu - - - Reset input (reset: L)
20 XOUT X2 - - - - - - Clock output
21 VSS VSS - - - - - - GND
22 XIN X1 - - - - - - Clock input
23 VCC VCC1 - - - - - - +3V
24 P85/NMI _NMI I - M3V - I I Not used(Fixed to H)
25 P84/INT2 NC I - (3Vin) - I I Not used
26 P83/INT1 B.DOWN I - (3Vin) - I I Power down detect (Power down : L)
27 P82/INT0 REMOCON I - 3VIn/Pd - I I Remote control signal input
28 P81 NC O C - - O/L O/L Not used
29 P80/RXD5 iPod RXD MIIO I N 5VIn - O/L O/L IPOD comm. control pin
30 P77/CLK5 TU/RDS CLK 0 C SW5VPu 3/5 O/L O/L PLL & RDS control pin (LC72131 & LC72720)
31 P76/TXD5 iPod TXD MOII O C SW5VPu 3/5 O/L O/L IPOD comm. control pin
32 P75/RXD8 SIRIUS MI/RDS DOUT I N 5VIn - O/L O/L SIRIUS control pin/RDS data inputpin(LC72720)
33 P74/CLK8 EXP DATA O C - - O/L O/L Extended I/O control pin
34 P73/TXD8 SIRIUS MO/RDS CE O C SW5VPu 3/5 O/L O/L SIRIUS control pin/RDS control pin(LC72720)
35 P72/CLK2 GUI CLK O C - - O/L O/L GUI control pin
36 P71/RXD2/
(MSCL) GUI RX I - - - O/L O/L GUI control pin
37 P70/TXD2/
(MSDA) GUI TX O C - - O/L O/L GUI control pin
38 P67/TXD1 TXD MO232I O C - (3/5) O/L O/L Data transfer pin to outside (AMX)/MITSUBISHI writer rewrite
39 VCC VCC1 - - - - - - +3V
40 P66/RXD1 RXD MI232O I - - - I O/L Date receive pin from outside(AMX)/MITSUBISHI writer
rewrite
41 VSS VSS - - - - - - GND
42 P65/CLK1/
SCLK(L) EXP CLK O C - - O/L O/L Extended I/O control pin
43 P64/BUSY TU DOUT I N 5VIn - O/L O/L TUNER PLLdata inputpin (LC72131)
44 P63/TXD0 E_TXDMOEI O C - - O/L O/L ETHERNET comm. control pin
45 P62/RXD0 E_RXDMIEO I - - - I O/L ETHERNET comm. control pin
46 P61/CLK0 ZONE2 OSD/FL CLK O C - 3/5 O/L O/L ZONE2 OSDcontrol pin/FLcontrol pin
47 P60/CTS0 ZONE2 OSD/FL DATA O C - 3/5 O/L O/L ZONE2 OSDcontrol pin/FLcontrol pin
48 P137 ACK SIMO O C - - O/L O/L
MAIN-SUB μ com comm. control output pin
49 P136/
ISCLK2 CLKMO O C - - O/L O/L
MAIN-SUB
μ
com comm. control output pin
50 P135/
ISRXD2 SOMI I - - - I O/L
MAIN-SUB μ com comm. control input pin
51 P134/
ISTXD2 MOSI O C - - O/L O/L
MAIN-SUB
μ
com comm. control output pin
52 P57/RDY RDY I C M3VPu - I I External memory access pin(NC,Pup)
53 P56/ALE ALE O C - - O/L O/L External memory access pin(NC)
54 P55/HOLD/
EPM HOLD/FRASH EPM I C M3VPu - I I External memory access pin(NC,Pup)/Rewrite boot program
start : L input set
55 P54/HLDA HLDA O C - - O/L O/L External memory access pin(NC)
56 P133 MUTE POWER/
ROM POWER O C - - O/L O/L For MUTE +B control pin/For extended ROM 3.3V control pin