Sanyo MCD-S870F Service Manual

Also see for MCD-S870F: Service manual Instruction manual

iIC BLOCK DIAGRAM & DESCRIPTIONIC104 pPD6379GR (Digital to Analog Converter)LRCK(CLK (SI (RiFII v1’VDDICI 05 LC651 104F-4E77 (CD Control Micro Processor)No. PIN NAME 1/0 FUNCTION No. PIN NAME 1/0 FUNCTION1 VOL UP Not Used 15 CQCK o interFace for DSP and SSP (CLOCK)2 VOL DOWN Not Used 16 IR I Input Signal for Infrared rays Remote Control3 SW IN 1 Inut for Open I Close Switch Signal or Limit 17 WRQ I Inter Face for DSP (SUBQ TRIGGER)Switch Signal or DRF Signal or SYNC REC 18 RWC o Inter Face for DSP and SSP (DATA LATCH)Signal or Key In (A/D Convert) Signal 19 SL + o Sled Motor Control SignalL4 XRST151 AV+1161 Av-17 I Vss Io Reset Signal for around IC’S 20 SL- 0 Sled Motor Control SignalVDD 21 SEG a o Light up Signal for LED (Segment a)Vss 22 SEG b o Light up Signal for LED (Segment b)Ground (Earth) 23 SEG C o Light up Signal for LED (Segment c)8 Oscl I Input of Clock Pulse (4.23 MHz) 24 SEG d o Light up Signal for LED (Segment d)9 OSC2 Open 25 COM 1 0 Light up Signal for LED (Common I)10 VDD - + 5V 26 COM 2 0 Light up Signal for LED (Common 2)11 RES I System Reset Signal 27 KEY IN I Input for Key (A/D Convert)12 TEST Vss 28 SEG e o Light up Signal for LED (Segment e)13 SQOUT I Inter Face for DSP (SUBQ DATA) 29 SEG f o Light up Signal for LED (Segment f)14 COIN o Inter Face for DSP and SSP (DATA) 30 SEG g o Light up Signal for LED (Segment g)IC201 TA8122AN (Tuner System)AM RF FMW;F v cc ,IN OET t@NX:S”c :Snc OUT LPF 1 LPF2 Vco LOUT ROUT--5.T115-MVco DECODE* 4I I I Ill I I IGND! FM AM AGCR;”IN v cc2 IFAMI~ IFAMIN GN02 OUADMIX MIX :Z LSETD–19-