Sharp CD-BK1600V Service Manual

Also see for CD-BK1600V: Service manual

Contents

– 49 –CD-BK1600V/1800V/190V54 P120 PLAY SW_B Input Play switch for Tape 255 P119 PPA Input Tape 2 A–side full proof56 P118 FPB Input Tape 2 B_side full proof57 P117 MIC IN Input MIC switch58 P116 KARAOKE LATCH Output Karaoke latch59* P115 DISTOUT/SW OUT Output Destination output60 FIP39 SPN Input Tuner span change61*,62* FIP38-FIP37 NO USE Input Open63-66 FIP36-FIP33 P22-P19 Output FL display driver67-70 FIP32-FIP29 P18-P15 Output FL display driverP103-P100 DIST3-DIST0 Input Destination input71-78 FIP28-FIP21 P14-P7 Output FL display driver79 VLOAD VLOAD –– FL driver (–) power supply.–30V80-85 FIP20-FIP15 P6-P1 Output FL display segment86*-89* FIP14-FIP11 –– Input Open90-100 FIP30-FIP0 G11-G1 Output FL diaplay segment driverIC701 RH-iX0331AWZZ: System Microcomputer (IX0331AW) (2/2)Port Name Terminal NamePin No. Input/OutputIn this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.Function1 TO CH2 inverted input.2 FD CH1 inverted input.3* FO CH1 output offset control.4 FO+ CH1 inverted output.5 FO- CH1 non-inverted output.6 TR+ CH2 inverted output.7 TR- CH2 non-inverted output.8-14 GND GND15 SL- CH3 non-inverted output.16 SL+ CH3 inverted output.17 SLDO CH3 inverted input.18 VCC1 Power supply 1 (CH1, CH2, CH3)19 STANDBY STANDBY signal input.20 VRFE CH1-CH4 Reference voltage input.21 MUTE Mute signal input (CH6).22 IN5- CH5 inverted input.23 IN5+ CH5 non-inverted input.24 VCC2 Power supply 2 (CH4).25 SPO SPDO CH4 inverted input.26 SP+ CH4 inverted output.27 SP- CH4 non-inverted output.28 VCC3 Power supply 3 (CH5).29-35 GND GND36* OUT5+ CH5 non-inverted output.37* OUT5- CH5 inverted output.38 LOADIING M+ CH6 non-inverted output.39 LOADIING M- CH6 inverted output.40 VCC4 Power supply 4 (CH6).41 LD_M- CH6 inverted input.42 LD_M+ CH6 non-inverted input.IC3 VHiM63001FP-1: Focus/Tracking/Spin/Sled Driver (M63001FP)Pin No. TerminalNameFunction123456789101112131415161718192021282930313233343536373839404142272625242322TOFDFOFO+FO–TR+TR–SL–SL+SLDOVCC1STANDBYVREFMUTEGND GNDVCC3SP–SP+SPO SPDOVCC2(SPN)IN5+IN5–LD_M+LD_M–VCC4LOADING M–LOADING M+OUT5–OUT5+M63001FPFigure 49 BLOCK DIAGRAM OF ICIn this unit, the terminal with asterisk mark (*) is (open)terminal which is not connected to the outside.