pcb_work
indare
Components (76)
| Reference | Value | Description |
|---|---|---|
| U1 | Pico 2 / RP2350 | |
| U2 | PT2314-D | |
| U5 | BP5293-50 +5V | |
| U201 | DKMW20F-12 | |
| U202 | LM7809 +9V | |
| U301,U401 | MCP23017 | Coil command expander, address strapped by JP301/JP302 |
| U302,U303,U402,U403 | ULN2803A | RESET pulse driver, one output per channel pair,SET pulse driver, one output per channel pair |
| AMP701 | NE5532 / DIP-8 compatible | AudioV2 replaceable dual op amp; high-speed decoupling fitted |
| C201,C205,C207 | 47u | |
| C201,C202,C204,C206,C208 | 0.1u,2.2u | |
| C203 | 10u,2.2u | |
| C204 | 22u | |
| C205-C208 | 100n | |
| C209,C210 | 2.7n | |
| C211,C212 | 2.2u | |
| C301,C302,C401,C402 | 100nF | |
| C701,C703 | 100nF film | L input film coupling,R input film coupling |
| C702,C704 | 10uF | L input electrolytic coupling,R input electrolytic coupling |
| C705,C706 | 100nF 50V X7R | V+ local decoupling,V- local decoupling |
| C707,C708 | 470uF 25V | L output coupling; compact D12.5/P5,R output coupling; compact D12.5/P5 |
| C709,C710 | 100uF 35V polymer | V+ local bulk at power connector,V- local bulk at power connector |
| C711,C712 | 1nF 50V C0G | V+ high-speed bypass,V- high-speed bypass |
| D1 | 12V panel LED | |
| D2 | DEST GP14 | |
| D3 | DEST GP15 | |
| ENC1 | EC11 ENC_CH | |
| ENC2 | EC11 ENC_BASS | |
| ENC3 | EC11 ENC_TREBLE | |
| F201 | 3A slow | |
| J201 | +12/-12/A_GND out | |
| J202 | PD module in (1=GND 2=+12V) | |
| J203 | VCC_TONE OUT (1=A_GND 2=9V) | |
| J701 | AMP_IN L/R | |
| J702 | AMP_OUT L/R | |
| J703 | +12V / A_GND / -12V | |
| JP301,JP302,JP401,JP402 | 0R | 0R strap: fit to tie A0 to 3V3, leave empty for 0,0R strap: fit to tie A1 to 3V3, leave empty for 0 |
| J_AUD301,J_AUD401 | AMP1 IN | To Amp 1 J701 (L/R) |
| J_AUD302,J_AUD402 | AMP2 IN | To Amp 2 J701 (L/R) |
| J_AUD303,J_AUD403 | AMP3 IN | To Amp 3 J701 (L/R) |
| J_AUD304,J_AUD404 | AMP4 IN | To Amp 4 J701 (L/R) |
| J_AUD305,J_AUD405 | AMP5 IN | To Amp 5 J701 (L/R) |
| J_HP601 | to Audio HP Buffer | |
| J_I2C301,J_I2C401 | CTRL | From ControlPanel: SDA / SCL / 3V3 / +5V / D_GND |
| J_LINE601 | LINE OUT | |
| J_OLED? | 2.42 OLED I2C GND/3V3/SCL/SDA | |
| J_PWR301,J_PWR401 | AMP1 PWR | To Amp 1 J703 (+12 / A_GND / -12) |
| J_PWR302,J_PWR402 | AMP2 PWR | To Amp 2 J703 (+12 / A_GND / -12) |
| J_PWR303,J_PWR403 | AMP3 PWR | To Amp 3 J703 (+12 / A_GND / -12) |
| J_PWR304,J_PWR404 | AMP4 PWR | To Amp 4 J703 (+12 / A_GND / -12) |
| J_PWR305,J_PWR405 | AMP5 PWR | To Amp 5 J703 (+12 / A_GND / -12) |
| J_RAIL301,J_RAIL401 | RAIL IN | From PowerModule J201: +12V / A_GND / -12V (relays switch rails only) |
| J_TONE301,J_TONE401 | TONE IN | From ControlPanel PT2314: TONE_L / TONE_R. Shield at Control only. |
| K301,K401 | CH1 AUDIO | AZ850P2-5 — routes TONE_L/R to Amp 1 input |
| K302,K402 | CH1 POWER | AZ850P2-5 — routes +/-12V to Amp 1 |
| K303,K403 | CH2 AUDIO | AZ850P2-5 — routes TONE_L/R to Amp 2 input |
| K304,K404 | CH2 POWER | AZ850P2-5 — routes +/-12V to Amp 2 |
| K305,K405 | CH3 AUDIO | AZ850P2-5 — routes TONE_L/R to Amp 3 input |
| K306,K406 | CH3 POWER | AZ850P2-5 — routes +/-12V to Amp 3 |
| K307,K407 | CH4 AUDIO | AZ850P2-5 — routes TONE_L/R to Amp 4 input |
| K308,K408 | CH4 POWER | AZ850P2-5 — routes +/-12V to Amp 4 |
| K309,K409 | CH5 AUDIO | AZ850P2-5 — routes TONE_L/R to Amp 5 input |
| K310,K410 | CH5 POWER | AZ850P2-5 — routes +/-12V to Amp 5 |
| R201 | 5.6k | |
| R202-R207 | 2.4k | |
| R210,R211 | 4.7k | |
| R230,R231,R301,R302,R401,R402 | 10k | MCP ADDR_A0 pulldown,MCP ADDR_A1 pulldown |
| R232-R235,R703,R704 | 1k | L non-inverting bias; 1/10 refine,R non-inverting bias; 1/10 refine |
| R701,R702 | 220k | L input pulldown,R input pulldown |
| R705-R708 | 20k | L feedback; gain 2,L gain resistor; Rf=Rg=20k,R feedback; gain 2,R gain resistor; Rf=Rg=20k |
| R709,R710 | 47R | L output isolation,R output isolation |
| RV601 | A50k Dual HP | |
| RV602 | A50k Dual LINE | |
| SW1 | PWR SW | |
| SW2 | DEST sense (3PDT 3rd pole) | |
| SW601 | DEST L (PHONE/MUTE/LINE) | |
| SW602 | DEST R (PHONE/MUTE/LINE) |