Denon AVC-A1D Service Manual

Contents

15AVC-A1D/AVR-5700Name FunctionTMP88CU74F Terminal FunctionPinNo.1 P02/S01 OSD DATA O C Eu S Z L OSD control output (M35015)2 P03 OSD RST O C   Z H OSD control output (M35015)3 P04 ST/MONO O C   Z L STEREO/MONO control signal (L: Stereo)4 P05 PLFL DATA O C  S Z L PLL, FL control terminal (LC72131 & LC7511NE)5 P06 PLL STB O C   Z L PLL control terminal (LC72131)6 P07 PLFL CLK O C  S Z L PLL, FL control terminal (LC72131 & LC7511NE)7 Vss Vss I  GND   L GND8 Xout Xout O      XTAL9 Xin Xin I      XTAL10 RESET_ RESET_ I  Eu Lv L  Reset input11 P22/XTOUT TUNES_ I  Eu Lv Z  Tuned detection (L: Tuned)12 P21/XTIN STEREO_ I  Eu Lv Z  At stereo receive: L13 TEST TEST I  GND S   Connect to GND14 P20/INT5_ B.DOWN_ I  Eu Lv Z  Power down detect (L: Power down)15 P10/INT0_ PROTEST_ I  Ed E&L Z  PROTECTION detect input (L: Detected)16 P11/INT1 S1 O C   Z L Video switching control terminal17 P12 SELC(F) I  Eu Lv Z  Input selector SW rotary detect input (rotary encoder)18 P13 SELD(F) I  Eu Lv Z  Input selector SW rotary detect input (rotary encoder)19 P14 SW L/R 7.1 O C   Z L EFFECT L/R muting control terminal20 P15/INT3 REMOCON I  Ed E&L Z  Remote control signal input21 P16/INT2 ACK O C   Z L MAIN-SUB CPU comm. control terminal22 P17/INT4 REQ I  Eu  Z L MAIN-SUB CPU comm. control terminal23 P30/SCL SI I (C) MAIN-SUB CPU comm. control terminal24 P31/SDA SO O (C) MAIN-SUB CPU comm. control terminal25 P32/SCK0_ CLK I/O (C) MAIN-SUB CPU comm. control terminal26 P40/AIN0 MODE I  Eu Lv Z  Destination switching input27 P41/AIN1 KEY1 I  Eu Lv Z  Button input 128 P42/AIN2 KEY2 I  Eu Lv Z  Button input 229 P43/AIN3 KEY3 I  Eu Lv Z  Button input 330 P44/AIN4 KEY4 I  Eu Lv Z  Button input 431 P45/AIN5 FUNC/T. CON CLK O C Ed  Z L Function (TC9274N, TC9273) / Tone (TC9184P) control output32 P46/AIN6 FUNC/T. CON DATA O C Ed  Z L Function (TC9274N, TC9273) / Tone (TC9184P) control output33 P47/AIN7 S2 O C   Z L Video switching control terminal34 P50/AIN8 E.VOL STB-1 O C Ed  L L E. volume control output (TC9459)35 P51/AIN9 E.VOL STB-2 O C Ed  L L E. volume control output (TC9459)36 P52/AIN10 E.VOL DATA O C Ed  L H E. volume control output (TC9459)37 P53/AIN11 E.VOL CLK O C Ed  L H E. volume control output (TC9459)SymbolSEMICONDUCTORS''''' IC'sNote: Abbreviation ahead of IC No. indicates the name of P.W.B.AU: Audio In & SP P.W.B. TU: Tuner & Amp P.W.B.RE: Rectifier P.W.B. TO: Tone, Pre-out P.W.B.VI: Video & FLD P.W.B. MA: Main & Reg. P.W.B.DS: DSP P.W.B. EX: Ext. In & DA P.W.B.TMP88CU74F(MA: IC201)1 24254041646580I/O Type Op Det Res InitFunction38 VASS VASS I Ref. V (GND)39 VAREF VAREF I Ref. V (VDD)40 VDD VDD I Power41 P61 FL CE I P Ed S L H FL display control output (LC75711NE)42 P61 FL RES O P Ed S L H FL display control output (LC75711NE)43 P62 FUNC STBA O P Ed  Z L Function control output (TC9274N) INPUT44 P63 FUNC STBB O P Ed  Z L Function control output (TC9273) REC OUT, REC INH45 P64 TONE CON. STB O P Ed  Z L TONE control output (TC9184P)46 P65 STANDBY O P Id  L H Standby LED drive output (H: Light)47 P66 EXP OE O P Ed  L H Port expander control terminal (TC4094B)48 P67 EXP CLK O P Ed  L L Port expander control terminal (TC4094B)49 P70 EXP DATA O P Ed  L L Port expander control terminal (TC4094B)50 P71 EXP STB1 O P Ed  L L Port expander control terminal (TC4094B)51 P72 LED CLK O P  S Z H LED control terminal (M66313)52 P73 LED DATA O P  S Z H LED control terminal (M66313)53 P74 LED LE O P   Z H LED control terminal (M66313)54 P75 LED OE O P   Z H LED control terminal (M66313), set input port at STBY55 P76 MULTI MUTE O P Ed  L H MULTI MUTE output (L: Mute)56 P77 H/P RELAY O P Id  L L H/P OUT relay control output (L: Mute)57 P80 POWER O P Id  L H Power relay control output (L: ON)58 P81 RESET2_ O P Id  L H Sub CPU control reset output (H: Reset control)59 P82 F RELAY O P Id Lv L  Front SP relay control terminal (L: Mute)60 P83 C RELAY O P Id  L H Center SP relay control terminal (L: Mute)61 P84 SA RELAY O P  Lv L  Surround SP relay A control terminal (L: Mute)62 P85 SB RELAY O P  Lv L  Surround SP relay B control terminal (L: Mute)63 P86 PRE F MUTE O P Ed  L H Front PREOUT mute control terminal (L: Mute)64 P87 PRE C MUTE O P  Lv L  Center PREOUT mute control terminal (L: Mute)65 P90 PRE S MUTE O P Ed  L H Surround PREOUT mute control terminal (L: Mute)66 P91 SUB WOOFER MUTE O P Ed  L L Sub-woofer PREOUT mute control terminal (L: Mute)67 P92 S MONI DET I  Eu Lv Z  S monitor connection detect input (L: connected)68 P93 S SIG DET I  Eu Lv Z  S signal detect input (H: S signal input)69 P94 SYNC DET I  Eu Lv Z  Sync. detect input (H: External sync.)70 P95 SEL A (M) I  Eu Lv Z  Master volume rotary detect input (rotary encoder)71 P96 SEL B (M) I  Eu Lv Z  Master volume rotary detect input (rotary encoder)72 P97 H/P DET I  Eu Lv Z L H/P input detect (H: Detect)73 PD0 VOL MUTE O P Ed  L L Master volume infinite control (L: Infinite)74 PD1 SEL E (B) I  Eu Lv Z  BASS volume rotary detect input (rotary encoder)75 PD2 SEL F (B) I  Eu Lv Z  BASS volume rotary detect input (rotary encoder)76 PD3 SEL G (T) I  Eu Lv Z  TTEBLE volume rotary detect input (rotary encoder)77 PD4 SEL H (T) I  Eu Lv Z  TTEBLE volume rotary detect input (rotary encoder)78 Vkk Vkk       Fixed to GND79 P00/SCK1_ OSD CLK O C Eu S Z H OSD control output (M35015)80 P01/SI1 OSD STB1 O C Eu  Z H OSD control output (M35015)I/O Type Op Det Res InitNamePinNo. SymbolNOTE:Pin No. : Terminal number of microcomputer.Port Name : The name entered in the data sheet of microcomputer.Symbol : Symbolized interface function.I/O : Input or out of part.“I” = Input port“O” = Output portType : Composition of port in case of output port.“C” = CMOS output“N” = NMOS open drain output“P” = PMOS open drain outputOp : Pull up/Pull down selection information.“Iu” = Inner microcomputer pull up“Id” = Inner microcomputer pull down“Eu”= External microcomputer pull up“Ed”= External microcomputer pull downDet : Indicates judging state of input port. Level detection is “LV”; Edge detection is “Ed”; Detection by both shifting is “E&L”;Serial data detection is “S” (Serial data output is also “S”).Res : State at reset.“H” = Outputs High Level at reset“L” = Outputs Low Level at reset“Z” = Becomes High impedance mode at resetIni : Initial output state.Function : Function and logical level explanation of signals to be interface.w w w . x i a o y u 1 6 3 . c o mQ Q 3 7 6 3 1 5 1 5 0 992894298T E L 1 3 9 4 2 2 9 6 5 1 3 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299http://www.xiaoyu163.comhttp://www.xiaoyu163.com