Marantz SR4000 Service Manual - Page 10

2-2 DISMANTLING HINTS Dismantling of MDM module (SR4000 Only) 1) Remove all the screws mentionned in the arial . See picture 11 3 2 3 5x 2 picture11 2) Remove backplate a little backwards. See arrow 1 (picture 12) 3) Pull module out the set as shown in picture 12 1 Legend 1 2 picture12 = Torx M3x6mm ( screw with big head ) = Torx 3x10mm 3 = Torx M3x6mm 2-2 ABBREVIATIONS A ac 0VA AC 0 Voltage ac 10VB AC 10 Voltage ac 110VB AC 110 Voltage ac 120VB AC 120 Voltage ac gnd AC ground ac h1 AC high voltage 1 ac h2 AC high voltage 2 ac l1 AC low voltage 1 ac l2 AC low voltage 2 ac1 AC voltage 1 ac2 AC voltage 2 ac3 AC voltage 3 amp lr on Amplifier Left - Right On amp mute c s Amplifier mute center surround amp mute c s sub Amplifier mute center surround subwoofer amp mute lr Amplifier mute Left - Right amp pd Amplifier power down amp prot Amplifier protection amp s on Amplifier surround On amp stby Amplifier Standby av gnd Audio ground av l Audio Left av r Audio Right A/V Audio/Video D d gnd dd req dpl c out dpl clk dpl gnd dpl l in dpl l out dpl r in dpl r out dpl s dpl sub Dolby ground Dolby decoder request Dolbyprologic Center out Dolbyprologic clock Dolbyprologic ground Dolbyprologic Left in Dolbyprologic Left out Dolbyprologic Right in Dolbyprologic Right out Dolbyprologic surround Dolbyprologic subwoofer F f1 f2 fmute Filament 1 Filament 2 Fast mute G gnd d gnd s Ground digital Ground signal H hp gnd hp l hp on hp r hst Headphone ground Headphone Left Headphone On Headphone Right Heatsink temperature L ls c ls gnd ls l ls r Loudspeaker Center Loudspeaker ground Loudspeaker Left Loudspeaker Right M mdm mdm c out mdm gnd mdm l dmix mdm l in mdm l out mdm r dmix mdm r in mdm r out mdm req mdm rst mdm scl mdm sda mdm sl out mdm sr out mdm sub out mfd P p gnd p p50 S s gnd sofac scl sofac1 sda1 sofac2 sda2 ss ce ss clk ss data surr pre-out T tu clk tu da tu en tu gnd tu l tu r tu rds tu stereo V v gnd v scl v sda v sig v sub sur Multi channel Decoding Module - Center out - ground - Downmix Left - Left in - Left out - Downmix Right - Right in - Right out - request - reset - I2C clock - I2C data - surround Left out - surround Right out - subwoofer out Mains failure detection P50 ground Cinema link P50 code Surround ground Sofac I2C clock Sofac 1 I2C data1 Sofac 2 I2C data2 Source selector chipenable Source selector clock Source selector data Surround pre-out Tuner clock Tuner data Tuner enable Tuner ground Tuner Left Tuner Right Tuner RDS Tuner stereo Video ground Video I2C clock Video I2C data Video signal Video subwoofer surround