Denon DVD-3930 Service Manual

Also see for DVD-3930: Specification Operating instructions Service manual

Contents

28DVD-3930/3930CITable 2 : Disc type informationT57 oftpd1 L1 layer DVD tracking balance adjust-ment value"A" and "C" signals: same phase"B" and "D" signals: same phaseWith the above conditions:If the phase of B is 90 ahead of the phase of A: 0x20 (+32 LSB)If the phase of B is 90 behind of the phase of A: 0xE0 (-32 LSB)* 16 LSB for a phase difference of 45 , 0 LSB for a phase difference of0 .T58 oftlvll1 L1 layer OFTR detection threshold value For the DVD : Unsigned 7bit ( 0x00 0x7F )0x00 : 0V0x40 : 1.65V0x7F : 3.3V( 3.3V/128 = 25.78[mV]/LSB )At tracking off, adjusted so that OFTR signal reaches target of Duty 50%.T59 teagc1 L1 layer TE signal AGC value (1x for 0x100, 2x for 0x200. Y/0x100 ratio calculation.)Adjusted so that TE amplitude reaches target of 2.45V.T60 tkga1 L1 layer tracking Loop Gain adjustmentvalue 1x for 0x100 [0x200 (2x) set to Typ.(1x for 0x100, 2x for 0x200. Y/0x100 ratio calculation.)Adjustment value 0x200 sets so that gain crossover reaches target.T61 bst1 L1 layer RF signal Boost adjustmentvalue Adjustment range : 0x0000 0x001C0x0000 : 0dB0x001C : 14dB(0.6dB/LSB)T62 felvl1 SACD layer :Threshold value at which focus servoturns on (FE signal)16-bit signed calculationupper (8 bits) / lower (8 bits) : 8-bit signed calculation0x7F** (0x**7F) : 3.3V0x00** (0x**00) : 1.65V0x80** (0x**80) : 0V3.3V/256 = 12.89[mV]/LSBT63 aslvl1 SACD layer :Threshold value at which focus servoturns on (AS signal)16-bit signed calculationupper (8 bits) / lower (8 bits) : 8-bit signed calculation0x7F** (0x**7F) : 3.3V0x00** (0x**00) : 1.65V0x80** (0x**80) : 0V3.3V/256 = 12.89[mV]/LSBT64 aslvl21 SACD layer :Focus servo draw in check value(AS signal)16-bit signed calculationupper (8 bits) / lower (8 bits) : 8-bit signed calculation0x7F** (0x**7F) : 3.3V0x00** (0x**00) : 1.65V0x80** (0x**80) : 0V3.3V/256 = 12.89[mV]/LSBT65 fcnglvl1 SACD layer :Focus servo off detection threshold value(AS signal)16-bit signed calculationupper (8 bits) / lower (8 bits) : 8-bit signed calculation0x7F** (0x**7F) : 3.3V0x00** (0x**00) : 1.65V0x80** (0x**80) : 0V3.3V/256 = 12.89[mV]/LSBT66 DiscType Disc Type See "Table-2 Disc type information" on page 25.T67 Format Disc Format type See "Table-2 Disc type information" on page 25.Disc TypeContents of fluorescent tubedisplay in servo adjustment valuedisplay mode (T66)Format TypeContents of fluorescent tubedisplay in servo adjustment valuedisplay mode (T67)NO-DISC NO-DISC Unknown NONEDVD1 layer, +R, +RW DVD1 CD-ROM, Divx CD-ROMDVD2 layer, -DL, +DL DVD2 CD-DA CD-DADVD-R DVD-R VideoCD VIDEO CDDVD-RW DVD-RW DVD-ROM, Divx DVD-ROMCD, CD-R, CD-RW CD DVD-VIDEO DVD-VIDEOSACD(Single Layer) SACD SING DVD-AUDIO DVD-AUDIOSACD(Dual Layer) SACD DUAL CD-dts CD-dtsSACD(Hybrid) SACD HYBR DVD-VR DVD-VRUnknown NONE Mixed mode CD-ROM CD-ROM-DASACD SACDTXX Name Meaning Remarks