M61519FP

M61519FP MITSUBISHI | Alldatasheet

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AUDIO SIGNAL PROCESSOR WITH SURROUND M61519FP MITSUBISHI SOUND PROCESSOR ICs MITSUBISHI ELECTRIC

DESCRIPTION

M61519FP is the semiconductor integrated circuit for Home Audio. M61519FP includes 2ch electronic volume, Tone control, 4 Input Selector, Bass Boost, REC output and Mic Mixing. This IC is suitable for Mini Component.

FEATURES

• 2ch Master Volume (L,R Independent Control) Main Volume : 0dB to –76dB (2dB or 4dB step), -∞ Trim Volume : 0dB to –15dB (1dB step)
• Tone Control (Bass/Mid/Treble) ±8dB(2dB step)
• 4 Input Selector with Mute
• Surround Function
• Vocal Cut Function
• Bass Boost Function
• L+R Output for Spectrum Analysis Display
• L+R Output for Subwoofer
• MIC Mixing Function
• 2 REC output with mute
• Input ATT : -5/0/+5dB
• Tone Input ATT : 0/-13dB
• External Input ATT : +3/0/-3/-6dB SYSTEM BLOCK DIAGRAM APPLICATION Mini/Micro Component ,Radio-Cassette Recorder with CD Player,etc. RECOMMENDED OPERATING CONDITIONS Supply voltage range…………………… 8.0 to 10.0V Recommended supply voltage………………… 9.0V Outline 42P2R-A 0.8mm pitch 450mil ssop (8.4mmX17.5mmX2.0mm) INA1 INB1 INC1 IND1 RECA1/INex1 OUT1 OUT2 Volume Volume INA2 INB2 INC2 IND2 RECA2/INex2 SAOUT DATA CLOCK MCU I/F 4Input selector +Mute 4Input selector +Mute BASS BOOST BASS BOOST Input ATT Input ATT Vocal cut Surround Tone ATT Tone ATT RECB1 RECB2 SWOUT MIC ON/OFF SUR1/DPL1 SUR2/DPL2 Tone control (Bass/Mid/Treble) Tone control (Bass/Mid/Treble) Bypass Bypass Bypass Bypass External Input ATT External Input ATT

AUDIO SIGNAL PROCESSOR WITH SURROUND M61519FP MITSUBISHI SOUND PROCESSOR ICs MITSUBISHI ELECTRIC PIN CONFIGURATION AND BLOCK DIAGRAM 1 42 REF MIC INA1 INB1 INC1 IND1 RECA1/INex1 RECB1 SAOUT TMI1 BB_B2 VCC DATA SUR1/DPL1 SUR2/DPL2 INA2 INB2 INC2 IND2 RECA2/INex2 RECB2 SWOUT TMI2 OUT2 GND CLOCK TMO1 TCB1 TCA1 TMO2 TCB2 TCA2 VOLIN2 TOUT2 BB_A2 OUT1 TOUT VOLIN1 BB_A1 BB_B1 TCC1 TCC2 REF MCU I/F Mid A B A B B A 0/-13dB A B B A VOL(0 to -87dB ,−∞ ) -5/0/+3.5dB B A Surround or Dolby Pro Logic Buffer A B -5/0/+3.5dB A B A B B A SW1 SW SW2 SW2 SW3 SW SW4 SW4 SW5 SW5 Bass& Treble Mid Bass& Treble V 1 V 2 S 1 S 2 S 1 S 2 V 1 V 2 C C 0/-13dB VOL(0 to -87dB,−∞ )

AUDIO SIGNAL PROCESSOR WITH SURROUND M61519FP MITSUBISHI SOUND PROCESSOR ICs MITSUBISHI ELECTRIC PIN DESCLIPTION Pin No. Symbol Function 1 REF Input pin of internal reference (REF=4.5V)

2 MIC Input pin of MIC Mixing

3,4,5,6 37,38,39,40 INA to IND Input Selector 41,42 SUR/DPL External pins for surround,Switching use with DPL Input pin 7,8,35,36 RECA/Inex,RECB Output pins for REC,RECA can switch mute function and external Input pins (At external input,RECA Switch is fixed mute position.) 9,10,33,34 TMI,TMO External pins for Mid (sympathetic vibration type ) 11,12,13, 30,31,32 TCA,TCB,TCC External pins for Bass/Treble (Shelving type) 14,29 TOUT Output pins of tone control 15,28 VOLIN Input pins of electronic volume 16,17,26,27 BB_A,BB_B External pins for Bass boost 18,25 OUT Output pins

19 SAOUT Mix pins for spectrum Analyzer (L+R/2)

24 SWOUT Mix pin for super woofer

20 VCC Internal analog ,power pin for digital circuit

23 GND Internal analog ,GND pin for digital circuit

21,22 DATA,CLOCK DATA for serial data,Clock input pin

AUDIO SIGNAL PROCESSOR WITH SURROUND M61519FP MITSUBISHI SOUND PROCESSOR ICs MITSUBISHI ELECTRIC ABSOLUTE MAXIMUM RATINGS Symbol Parameter Conditions Limits Units VCC Supply voltage 10.5 V Pd Power dissipation Ta 25ºC 850 mW K Thermal derating Ta 25ºC 8.6 mW/ ºC Topr Operating temperature -20 to +75 ºC Tstg Storage temperature -40 to +125 ºC THERMAL DERATING Power Dissipation Pd [W] Ambient Temperature Ta [ºC] 0 25 50 75 100 125 150 0.5 1.0 0.85W 0.75 0.25 0.42

AUDIO SIGNAL PROCESSOR WITH SURROUND M61519FP MITSUBISHI SOUND PROCESSOR ICs MITSUBISHI ELECTRIC RECOMMENDED OPRETING CONFITION Parameter Symbol Condition MIN TYP MAX Unit Supply Voltage V V VIH VIL (Ta=25ºC, unless otherwise noted. ) AVDD 108 9 Logic “H”level Input voltage 2.2 5.5 0 0.6Logic “L”level Input voltage V RERATIONSHIP BETWEEN DATA AND CLOCK AND LATCH DATA CLOCK DATA signal is read at the rising edge of CLOCK Latch signal=“H” Latch signal is read at the falling edge of CLOCK D0 D1 D2 D3 D4 D5 D6 D7 D15

AUDIO SIGNAL PROCESSOR WITH SURROUND M61519FP MITSUBISHI SOUND PROCESSOR ICs MITSUBISHI ELECTRIC UnitSymbol Parameter Limits Min typ Max 1.6 0.8 0.8 0.4 0.4 µsec 1.6 DATA TIMING(Recommended conditions) DIGITAL BLOCK TIMING REGULATION CLOCK cycle time CLOCK pulse width ("H"level) CLOCK pulse width ("L"level) CLOCK rise time CLOCK fall time DATA setup time DATA hold time CLOCK DATA 25% 75% tf tcr tWHC tWLC tSD tHD 75% tr tWHC tWLC tr tf tSD tHD tcr

AUDIO SIGNAL PROCESSOR WITH SURROUND M61519FP MITSUBISHI SOUND PROCESSOR ICs MITSUBISHI ELECTRIC DIGITAL CONTROL SPECIFICATION Input direction (1)Input selector (2)Input ATT (3)Tone ATT (5)MIC Mixing (8) Switching of Tone control (9)Tone control (Bass,Mid,Treble) (6)RECA / External Input

• At external Input setting ,RECA is OFF. (7)Surround / DPLIN (4)Vocal cut & Tone bypass Prohibit using except specified Data code as follows. (11)Bass boost (At power on,initial position is mark’s setting.) D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 Tone Mic ATT MIX Bass Boost 0 Rch Master VolumeLch Master Volume Rch Trime VolumeLch Trim Volume 0000 0 0 0 0 0 0 1 0 1 1 Input ATT Vocal cut Tone bypass RECA/ External Input Surround/ DPLINInput Selector Bass Tone Ccontrol Tone control Mid Tone control Treble Tone D Control SW A B C Selector D0A D1A D2A INA 0 0 0 INB 0 0 1 INC 0 1 0 IND 0 1 1 Mute 1 * * Input ATT D3A D4A -5dB 0 0 0dB 0 1 0+3.5dB 1 Tone ATT D5A -13dB 0 0dB 1 Switching D6A D7A Vocal cut OFF,Tone Bypass 0 0 Vocal cut OFF,Tone ON 0 1 *Vocal cut ON,Tone Bypass 1 Mic Mixing D8A OFF 0 ON 1 D9A D10A D11A RECA-OFF 0 * 0 RECA-ON 0 * 1 -6dB 1 1 1 External Input ON 1 0 1 1 Switching 0dB -3dB +3dB 1 External Input Off Switching D12A D13A Bypass 0 0 Surround 0 1 0DPLIN 1 Switching D0B D1B Lch and Rch 0 0 Lch only 0 1 0Rch only 1 Tone D2,6,10B D3,7,11B D4,D8,12BD5,D9,13B +8dB 1 1 0 0 +6dB 1 0 1 1 +4dB 1 0 1 0 +2dB 1 0 0 1 0dB 0 0 0 0 -2dB 0 0 0 1 -4dB 0 0 1 0 -6dB 0 0 1 1 -8dB 0 1 0 0 Bass Boost D8C OFF 0 ON 1

AUDIO SIGNAL PROCESSOR WITH SURROUND M61519FP MITSUBISHI SOUND PROCESSOR ICs MITSUBISHI ELECTRIC (12)Master volume(L,Rch) (10)Trim volume (Lch and Rch)

• Total level is fixed at –87dB, on condition that the total level of Trim and Master volume is under “–87dB”. (example:Trim -15dB, Master -76dB Total level is –87dB) Trim D0,4C D1,5C D2,6C D3,7C 0dB 0 0 0 0 -1dB 0 0 0 1 -2dB 0 0 1 0 -3dB 0 0 1 1 -4dB 0 1 0 0 -5dB 0 1 0 1 -6dB 0 1 1 0 -7dB 0 1 1 1 -8dB 1 0 0 0 -9dB 1 0 0 1 -10dB 1 0 1 0 -11dB 1 0 1 1 -12dB 1 1 0 0 -13dB 1 1 0 1 -14dB 1 1 1 0 -15dB 1 1 1 1 Master D0,5D D1,6D D2,7D D3,8D D4,9D 0dB 0 0 0 0 0 -2dB 0 0 0 0 1 -4dB 0 0 0 1 0 -6dB 0 0 0 1 1 -8dB 0 0 1 0 0 -10dB 0 0 1 0 1 -12dB 0 0 1 1 0 -14dB 0 0 1 1 1 -16dB 0 1 0 0 0 -18dB 0 1 0 0 1 -20dB 0 1 0 1 0 -22dB 0 1 0 1 1 -24dB 0 1 1 0 0 -26dB 0 1 1 0 1 -28dB 0 1 1 1 0 -30dB 0 1 1 1 1 -32dB 1 0 0 0 0 -34dB 1 0 0 0 1 -36dB 1 0 0 1 0 -38dB 1 0 0 1 1 -40dB 1 0 1 0 0 -42dB 1 0 1 0 1 -44dB 1 0 1 1 0 -48dB 1 0 1 1 1 -52dB 1 1 0 0 0 -56dB 1 1 0 0 1 -60dB 1 1 0 1 0 -64dB 1 1 0 1 1 -68dB 1 1 1 0 0 -72dB 1 1 1 0 1 -76dB 1 1 1 1 0 -∞ dB 1 1 1 1 1

AUDIO SIGNAL PROCESSOR WITH SURROUND M61519FP MITSUBISHI SOUND PROCESSOR ICs MITSUBISHI ELECTRIC Unless otherwise noticed, Ta=25ºC,VCC=9V,f=1kHz,, Surround bypass,tone bypass and bass boost=OFF Min. Typ. Max. Voltage Analog positive power circuit current Alcc - 25 40 mA Input resistance Rin 30 60 90 kΩ Maximum input voltage VIM 1.8 2.2 - Vrms VOM 1.8 2.2 - Vrms VrecOM 1.6 2.0 - Vrms Vodc 4.0 4.5 5.0 V Vrecdc 4.0 4.5 5.0 V Pass gain Gv -2.0 0.0 2.0 dB Maximum attenuation ATT - -92 -87 dB Vol.=0dB - 10.0 20.0 µVrms Vol.=-∞ - 4.0 8 µVrms Distortion factor Vrecno - 6.0 12 µVrms THD - 0.02 0.05 % THDrec - 0.01 0.05 % CT - -70 55 dB CT rec - -70 55 dB Gbassb -8dB 6 8 10 dB Gbassc +8dB -10 -8 6 dB Gmidb -8dB 6 8 10 dB Gmidc -8dB -10 -8 6 dB Gtrebb +8dB -2 8 10 dB Gtrebc -8dB -10 -8 6 dB Balance between channel BALton -2 0 2 dB Super woofa output gain GvSW -8 -6.0 -4 dB distortion factor THDSW - 0.03 0.1 % Output noise voltage VnoSW - 20 - µVrms Output gain for spectrum Analyzer Display GvSP -8.0 -6.0 -4.0 dB JIS-A,At no signal ,Rg=0Ω, 24pin OUT Output noise voltage Symbol Limits BW:400-30kHz,Vo=0.3Vrms,RL=47kΩ 15pin IN,24pin OUT Parameter Unit Maximum output voltage Output terminal voltage Tone ControlTrebble voltage gain Bass voltage gain Mid voltage gain Vono JIS-A,At no signal,Rg=0Ω (18.25)pin OUT Test Condition At VCC=9.0V,20 pin terminal current and no signal Input pin 3-6pin,37-40pin,2pin (3,40)pin IN,(8,35)pin OUT RL=10kΩ, THD=1%,Input ATT=-5dB (3,40)pin IN,(18,25)pin OUT Bass boost ON,f=100Hz,RL=10kΩ , THD=5% (3,40)pin IN,(7,8)(35,36)pin OUT RL=47kΩ, THD=1%,Input ATT=+3.5dB At No signal,(18,25)pin OUT At No signal,(8,35)pin OUT f=100kHz f=1kHz Vi=1Vrms,FLAT, Gain from (3-18 pin) to (40-25 pin),Input ATT=0dB Vo=1Vrms,(18,25)pin OUT JIS-A,Vol.= -∞ BW:400-30kHz,Vo=0.5Vrms,RL=10kΩ BW:400-30kHz,Vo=0.5Vrms,RL=47kΩ Vi=1Vrms,FLAT,Input ATT=0dB,3pin IN, 19pin OUT MIX Signal JIS-A,At no signal,Rg=0W (8.35)pin OUT f=10kHz Cross talk between channels At each boost value of -8dB and +8dB, Vo=1Vrms,(14,29)pin OUT Vi=1Vrms,FLAT, Gain from (3-18 pin) to (40-25 pin), Input ATT=0dB Vo.=0.5Vrms,RL=10kΩ ,JIS-A,Rg=0kΩ Vo.=0.5Vrms,RL=47kΩ ,JIS-A,Rg=0kΩ Input and Output

• Mix Signal Characteristics is provided only CH1 Input.(CH2 Rg=0Ω )

ELECTRICAL CHARACTERISTICS

AUDIO SIGNAL PROCESSOR WITH SURROUND M61519FP MITSUBISHI SOUND PROCESSOR ICs MITSUBISHI ELECTRIC (1)Equivalent circuit of tone control (a)Mid (Hz) R1(R2+R3)C1C22p 1fo = C1C2R2 C1+C2 1Q= (dB) R2+R3 Gv = 20log (dB) R2+R3 Gv = 20log (Hz) R1(R2+R3)C1C22p 1fo = C1C2R2 C1+C2 1Q= R3=0 (C1=C2) IN OUT R3 R2 C1 C2 Boost Mode IN OUT R3R2 C2 C1 Cut Mode (R3=0) (C1=C2) IN OUT R1 R2 C Cc R IN OUT R1R2 Cut Mode C Cc R (b)Bass (Hz) 2p CR(R1+R2) R+R1fo = (dB) R+R1 R+R1+R2Gv = 20log (dB) R+R1+R2 R+R1Gv=20log (Hz) 2pCR(R1+R2) R+R1fo = Boost Mode FUNCTION DISCRIPTION

AUDIO SIGNAL PROCESSOR WITH SURROUND M61519FP MITSUBISHI SOUND PROCESSOR ICs MITSUBISHI ELECTRIC (d)Characteristic Curve of Tone Control Tone control setting= +8, -8dB (Bass,Mid,Treble) This characteristic curve is as a result of circuit Simulation. (c)Treble IN OUT R1 R2 C IN OUT R1R2 C (Hz) 2p CR1 1fo = (dB) R1+R2Gv = 20log (Hz) 2pCR1 1fo = (dB) R1+R2 R1Gv = 20log Boost Mode Cut Mode

AUDIO SIGNAL PROCESSOR WITH SURROUND M61519FP MITSUBISHI SOUND PROCESSOR ICs MITSUBISHI ELECTRIC (2)Equivalent circuit of bass boost 0dB Q=4(G=10dB) K VIN VOUTC1 C2 K=1 Reference Table Q G0 0 to 1dB 6dB 10dB 13dB 20dB (Hz) R1R2C1C22p 1fo = R1(C1+C2)+(1-K)R2C2 R1R2C1C2Q =

• Characteristic Curve of bass boost R1=680Ω ,R2=214kΩ , C1=C2=0.22µF(fo = 60Hz,Q = 8.9) The Internal IC have built-in R2 resistance.( R2 = 214kΩ )
• This characteristic curve is a result of circuit simulation. Input Decrease Circuit of Switching noise Output Amplitude characteristic of secondary high pass filter

AUDIO SIGNAL PROCESSOR WITH SURROUND M61519FP MITSUBISHI SOUND PROCESSOR ICs MITSUBISHI ELECTRIC (3) Equivalent circuit of vocal cut CH1 CH2 ATT Input ATT Gain Setting Vocal Cut Output Output difference of Tone control CH1 and CH2, The characteristic to cut only Middle part of Phase Input Signal is realized.

• Tone control cannot use at Vocal cut mode.
• Characteristic curve example (Phase signal input CH1,CH2 )
• Tone control can use only Bass & Treble mode.(Mid mode is 0dB fixed.)
• A; CH1 bass = +8dB,Treble = +8dB CH2 bass = +4dB,Treble = +4dB
• B; CH1bass = +8dB,Treble = +8dB CH2bass = +4dB,Treble = +6dB A B Selector Selector Input Tone control Tone control

AUDIO SIGNAL PROCESSOR WITH SURROUND M61519FP MITSUBISHI SOUND PROCESSOR ICs MITSUBISHI ELECTRIC (4) Surround equivalent circuit

• Characteristic curve example (Only CH1 Input)
• This characteristic curve is the result as circuit simulation. CH1OUT CH2OUT CH2OUT CH1OUT Amplitude characteristic Phase characteristic CH1 IN 10kΩ CH2 IN CH1 OUT CH2 OUT 10kΩ 10kΩ 10kΩ 10kΩ 10kΩ 10kΩ 10kΩ 10kΩ 0.047µF External part

AUDIO SIGNAL PROCESSOR WITH SURROUND M61519FP MITSUBISHI SOUND PROCESSOR ICs MITSUBISHI ELECTRIC (5) Total equivalent circuit ( signal flow diagram ) Surround INA to IND Mic Mix ( MIX level 0dB) Volume Selector(4+MUTE) Tone control Input ATT +3.5/0/-5dB Input ATT 0/-13dB Output for Spectrum Analyzer(L+R/2) Super woofer output (L+R/2) Bass boost OUT RECA RECB Maximum Output Voltage (Typ:2.0Vrms) Maximum output voltage ( Typ:2.2Vrms ) Maximum Input Voltage ( Typ:2.2Vrms ) Surround bypass Tone Bypass (a) Surround bypass , Tone bypass , Bass boost ON (b) Surround ON, Tone ON, Bass boost ON Surround INA to IND Mic MIX(MIX level 0dB) Volume Selector(4+MUTE) Tone control Input ATT +3.5/0/-5dB Tone ATT 0/-13dB Output for Spectrum Analyzer(L+R/2) Output for Super woofer (L+R/2) Bass boost OUT RECA RECB Maximum Output Voltage(Typ:2.0Vrms) Maximum output voltage (Typ:2.2Vrms) Maximum Input Voltage ( Typ:2.2Vrms ) Surround ON Tone ON (c)DPL Input setting,Tone bypass, Bass boost ON INA to IND Mic MIX (MIX Level 0dB) Volume Selector(4+Mute) Tone Control Input ATT +3.5/0/-5dB Tone ATT 0/-13dB Output for Spectrum Analyzer(L+R/2) Super woofer Output(L+R/2) Bass boost OUT RECA DPLOUT Maximum output voltage(Typ:2.0Vrms) Maximum Output Voltage(Typ:2.2Vrms) Maximum Input Voltage(Typ:2.2Vrms) DPLSetting Tone bypass Mute DPLIN

AUDIO SIGNAL PROCESSOR WITH SURROUND M61519FP MITSUBISHI SOUND PROCESSOR ICs MITSUBISHI ELECTRIC (e) Vocal Cut ON,Surround Bypass,Bass boost ON (d)External Input Setting, Surround ON, Tone ON, Bass boost ON Surround INA to IND MIC MIX (Mix Level 0dB) Volume Selector (4+MUTE) Tone Control Input ATT +3.5/0/-5dB Tone ATT 0/-13dB Output for Supectrum Analyzer (L+R/2) Super woofer Output (L+R/2) Bass boost OUT INex RECB Maximum Output Voltage (Typ:2.0Vrms) Maximum Output Voltage (Typ:2.2Vrms) Maximum Input Voltage(Typ:2.2Vrms) Surround ON Tone ON External Input ATT +3/0/-3/-6dB Surround INA to IND MIC MIX (MIX Level 0dB) Volume Selector (4+MUTE) Tone control Input ATT +3.5/0/-5dB Tone ATT 0/-13dB Output for Spectrum Analyzer (L+R/2) Super woofer Output(L+R/2) Bass boost OUT RECA RECB Maximum Output Voltage (Typ:2.0Vrms) Maximum Output Voltage (Typ:2.2Vrms) Maximum Input Voltage (Typ:2.2Vrms) Surround BypassVocal Cut ON

AUDIO SIGNAL PROCESSOR WITH SURROUND M61519FP MITSUBISHI SOUND PROCESSOR ICs MITSUBISHI ELECTRIC 10µ 10µ 10µ10µ 10µ 10µ CLOCKDATA RECB2 INA2 IND2 INB2 INC2 INA1 IND1 INB1 INC1 OUT1 RECA2/INex2 MIC RECB1 RECA1/INex1 SAOUT OUT2 DPL1 DPL2 At Surround ON or SWOUT SW1; A:Vocal Cut OFF B:Vocal Cut ON SW2; A:Surround B:Corresponded to Dolby Pro Logic C:Bypass SW3; A:Vocal Cut OFF B:Vocal Cut ON SW4; A: Corresponded to Tone control B:Corresponded to Vocal Cut and Tone bypass VCC=9V 0.22µ 0.22µ 680680 0.22µ 0.22µ 10µ 10µ 10µ10µ 10µ 10µ 10µ 10µ 100µ 10µ 10µ 10µ 10µ 0.022µ 0.022µ 0.022µ 0.022µ 2.2k 2.2k 10k 0.047µ SW5 A:Bass boost OFF B:Bass boost ON REF MCU I/F A B A BB A 0/-13dB A B B A VOL(0 to -87dB,-∝ ) -5/0/+3.5dB B A A B -5/0/+3.5dB A B A B B A SW1 SW1 SW2 SW2 SW3 SW3 SW4 SW4 SW5 SW5 Bass& Treble Mid Bass& Treble V 1 V 2 S 1 S 2 S 1 S 2 V 1 V 2 C C 0/-13dB 10k 10k 10k 0.047µ 10µ 4700p 10k 0.047µ 10µ 4700p VOL(0 to -87dB,-∝ ) Mid 10µ 10µ 10µ Surround or Dolby Pro Logic Buffer At Input Dolby Pro Logic APPLICATION EXAMPLE

AUDIO SIGNAL PROCESSOR WITH SURROUND M61519FP MITSUBISHI SOUND PROCESSOR ICs MITSUBISHI ELECTRIC DETAILED DIAGRAM OF PACKAGE OUTLINE SSOP42-P-450-0.80 Weight(g) JEDEC Code 0.63 Alloy 42/Cu Alloy 42P2R-A Plastic 42pin 450mil SSOP Symbol Min Nom Max A b c D E L y Dimension in Millimeters H E .350 .050 .130 .317 .28 .6311 .30 .271 .02 .40 .150 .517 .48 .80 .9311 .50 .7651 .4311 .42 .50 .20 .717 .68 .2312 .70 .150 b2 –. 5 0– 0° –1 0 ° e 42 22 211 HE E D e y F A A2 A1 L c e b2 Recommended Mount Pad Detail F z Z1 Detail G –Z1 0.75 0.9 z b G MMP

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