Denon AVR-4806CI, Service Manual

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32
AVR-4806CI / AVC-A11XVA
18 P86/XCOUT RUSH POWER O C - - Ed Z O/L O/L POWER Relay control pin (H:After 500ms from P87:MAIN
POWER="H")
19 RESET RESET I - Lv - Eu L I I Reset input (Reset="L")
20 XOUT X2 O - - - - - - - Oscillator connection
21 VSS VSS - - - - - - - - GND
22 XIN X1 I - - - - - I I Oscillator connection
23 VCC VCC - - - - - - - - +5V
24 P85/NMI _NMI I - - - - - - - Not used(Fixed to H)
25 P84/INT2 B.DOWN I -
E ↓ &L
- Eu Z I I Power down detect(Power down:L)
26 P83/INT1 POWER KEY I -
E ↓ &L
- Eu I O/L Interrupt port for WAIT mode cancel
27 P82/INT0 REMOCON I -
E
↑
&L
- Ed Z I I Remote control signal input
28 P81/ REQ VOMI I - Lv - - Z O/L O/L
MAIN-VIDEO μ com comm. control pin
29 P80/ISRXD0 SOMI I - Lv - - Z O/L O/L
MAIN-SUB
μ
com comm. control pin
30 P77/ISCLK0 CLK SIMO O C - - Z O/L O/L
MAIN-SUB μ com comm. control pin
31 P76/ISTXD0 SIMO O C - - Z O/L O/L
MAIN-SUB μ com comm. control pin
32 P75/ISRXD1 ETHER EOMI I - Lv - - Z O/L O/L ETHERNET control pin
33 P74/ISCLK1 ETHER CLK EIMO O C - - Z O/L O/L ETHERNET control pin
34 P73/CTS2/ISTXD1 ETHER EIMO O C - - Z O/L O/L ETHERNET control pin
35 P72/CLK2 CLK VIMO O C - - Z O/L O/L
MAIN-VIDEO
μ
com comm. control pin
36 P71/RXD2/ VOMI I - Lv - - Z O/L O/L
MAIN-VIDEO μ com comm. control pin
37 P70/TXD2/ VIMO O N - - Eu Z O/L O/L
MAIN-VIDEO
μ
com comm. control pin
38 P67/TXD1 FRONT TxD O C - - - Z O/L O/L Data transfer pin to outside(MAKER BOOT)
39 VCC VCC - - - - - - - - +5V
40 P66/RXD1 FRONT RxD I - Lv - - Z I O/L Data transfer pin from outside(MAKER BOOT)
41 VSS VSS - - - - - - - - GND
42 P65/CLK1 NC I - Lv - Ed Z I O/L Not used
43 P64/CTS1 NC O C - - - Z O/L O/L Not used
44 P63/TXD0 BACK TxD O C - - - Z O/L O/L Data transfer pin to outside(AMX)
45 P62/RXD0 BACK RxD I - Lv - - Z I O/L Data transfer pin to outside(AMX)
46 P61/CLK0 ZVOL DATA3 O C - - Ed Z O/L O/L E-VR control output for ZONE3
47 P60/CTS0 ZVOL CLK3 O C - - Ed Z O/L O/L E-VR control output for ZONE3
48 P137 NC O C - - - Z O/L O/L Not used
49 P136/ISCLK2 NC O C - - - Z O/L O/L Not used
50 P135/ISRXD2 NC O C - - - Z O/L O/L Not used
51 P134/ISTXD2 NC O C - - - Z O/L O/L Not used
52 P57 BIN RL O C - - Ed Z O/L O/L AMP +B control(H=SIG DET"L")
53 P56 A+B LIMIT O C - - Ed Z O/L O/L A+B LIMIT control ,H=SURROUND SPEAKER A+B="H"
54 P55/EPM FRASH EPM I - - - Eu Z I I Rewrite boot program start:L input set
55 P54 LIMIT O C - - Ed Z O/L O/L LIMIT control
56 P133 SIG DET SBR I - Lv - Eu Z O/L O/L SBR signal detect input
57 VSS VSS - - - - - - - - GND
58 P132 SIG DET SBL I - Lv - Eu Z O/L O/L SBL signal detect input
59 VCC VCC - - - - - - - - +5V
60 P131 SIG DET SR I - Lv - Eu Z O/L O/L SR signal detect input
61 P130 SIG DET SL I - Lv - Eu Z O/L O/L SL signal detect input
62 P53 SIG DET C I - Lv - Eu Z O/L O/L C signal detect input
63 P52 SIG DET FR I - Lv - Eu Z O/L O/L FR signal detect input
64 P51 SIG DET FL I - Lv - Eu Z O/L O/L FL signal detect input
65 P50/CE FRASH CE I - - - Ed Z I I Rewrite boot program start:H input set
66 P127 MVOL STB O C - - - Z O/L O/L E-VR control output for MAIN ZONE
67 P126 MVOL DATA O C - - - Z O/L O/L E-VR control output for MAIN ZONE
68 P125 MVOL CLK O C - - - Z O/L O/L E-VR control output for MAIN ZONE
69 P47/CS0/A23 MIC DET I - Lv - Eu Z O/L O/L Microphone detect input
70 P46/CS1/A22 NC O C - - - Z O/L O/L Not used
71 P45/CS2/A21 ZVOL DATA2 O C - - Ed Z O/L O/L E-VR control output for ZONE2
72 P44/CS3/A20 ZVOL CLK2 O C - - Ed Z O/L O/L E-VR control output for ZONE2
73 P43/A19 FUC STB IN O C - - - Z O/L O/L ANALOG SW control pin for function switching(TC94A46FG)
74 VCC VCC - - - - - - - - +5V
75 P42/A18 SUB CPU POWER O C - - - Z O/L O/L SUB-Éþcom power on/off switching(ONÅFH)
76 VSS VSS - - - - - - - - GND
77 P41/A17 FUNC STB VSEL O C - - - Z O/L O/L STB output for function switching control (VOL IN)(TC9274F-022)
78 P40/A16 FUC STB AMP O C - - - Z O/L O/L "STB output for function switching control (POWER AMP
ASSIGN)(TC9274F-022)"
79 P37/D15 FUNC DATA O C - - - Z O/L O/L ANALOG SW control pin
80 P36/D14 FUNC CLK O C - - - Z O/L O/L ANALOG SW control pin
81 P35/D13 AEXP OE O C - - Ed Z O/L O/L OE output for expander control(BU4094B)
82 P34/D12 AEXP STB O C - - - Z O/L O/L STB output for expander control(BU4095B)
83 P33/A11 AEXP DATAM O C - - - Z O/L O/L DATA output for expander control(BU4094B)
84 P32/D10 AEXP CLK O C - - - Z O/L O/L CLK output for expander control(BU4094B)
85 P31/D9 (FUNC STB D) O C - - - Z O/L O/L Not used
86 P124 TU STB O C - - - Z O/L O/L TUNER PLL control pin (LC72131)
87 P123 E2P CS O C - - - Z O/L O/L E2PROM control pin
88 P122/ISRXD3 E2P DO I - Lv - - Z O/L O/L E2PROM control pin
89 P121/ISCLK3 E2P CLK O C - - - Z O/L O/L E2PROM control pin
90 P120/ISTXD3 E2P DI O C - - - Z O/L O/L E2PROM control pin
91 VCC VCC - - - - - - - - +5V
Pin Pin Name Symbol I/O Type Det
Op
(Int.)
Op
(Ext.)
Res STBY stop FUNCTION