MZ-NH700/NHF800
BLOCK DIAGRAM – AUDIO Section – |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| REFERENCE VOLTAGE |
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| HEADPHONE |
| SWITCHING |
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Q351 |
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| AMP |
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| IC352 | 13 |
|
|
|
|
|
|
| • SIGNAL PATH |
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| VREF_IN |
|
|
|
|
|
|
|
|
| : PLAYBACK |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| AOUTL |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 147 |
|
|
|
| 22 INA | OUTA | 2 |
|
| J352 |
|
|
|
|
| : OPTICAL IN |
| ||
|
|
|
|
|
|
|
| FROM IC801 (1/3) |
|
|
|
|
|
|
|
|
|
|
| BEEP_OUTA | 24 |
|
| i |
|
|
|
|
| : LINE IN |
|
| |
|
|
|
|
|
|
|
| (MD SERVO SECTION) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
| AOUTR |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
| J301 |
|
|
|
|
|
|
|
|
|
|
|
| 148 |
|
|
|
| 21 INB | OUTB | 4 |
|
|
|
|
|
|
|
| : USB input from PC |
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| BEEP_OUTB |
|
|
|
|
|
|
|
|
| : USB output to PC |
| ||
LINE IN |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 23 |
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| : MIC IN |
|
| ||
| (OPT) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| SWMT SWPW BEEPIN |
|
| F351 |
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| RVDD |
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| RVDD |
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| F1 |
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
| 173 DIN |
|
|
|
|
|
|
|
|
|
|
|
|
| VB | VB |
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 17 18 15 |
|
|
|
|
|
|
|
|
|
| |||
|
| B+ SWITCH |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| DTCK |
|
|
|
|
|
|
|
| |
|
| VC01 B+ |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
| Q301 | A/D CONVERTER, MIC AMP |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| STAT |
|
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||
|
|
|
|
| IC301 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
| XMUTE/MUTE | 212 |
|
|
|
|
|
|
|
|
| RGND |
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
| 28 | LIN | SDT0 | 7 |
| 307 ADDT |
|
|
|
| PF3/RTG3 | 211 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 | RIN | MCLK | 9 |
| 306 FS256 |
|
|
|
| BEEP | 199 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| BCLK | 8 |
| 309 XBCK |
|
|
|
| DTCK | 313 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| LRCK | 10 |
| 308 LRCK |
|
|
|
|
|
|
|
|
|
|
|
|
| RMC KEY | D | (Page 23) |
|
|
|
|
| |||
|
|
|
|
|
| PDN | 14 |
| 190 XPD_ADC |
|
|
|
| RMC_KEY | 131 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
| 18 | PREL |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||
|
|
|
|
|
|
|
|
|
|
| RADIO_ON | 134 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
| 19 PRER |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
| J302 |
|
|
|
| CDTI | 11 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| MIC |
|
|
|
| CCLK | 12 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(PLUG IN POWER) |
|
|
| AVDD | CSN | 13 |
| 189 XCS_ADC |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 3 |
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
| 3 |
|
|
|
|
|
|
|
| UDP | 314 |
|
|
|
|
|
| DATA+ |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| UPUEN | 318 |
|
|
|
|
|
| 2 | CN451 |
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
| +1.2V |
|
|
|
|
|
| UDM | 315 |
|
|
|
|
|
| DATA– | (USB) |
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
| REGULATOR | REG1 B+ |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
| IC302 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| VBUS |
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
| 200 XOPT_CTL |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| VBUS | E | (Page 23) |
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
| 185 OPT_DET |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 186 XJACK_DET |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
| 187 XMIC_DET |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| X801 | X802 |
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 48MHz | 22.5792MHz |
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 319 | 320 | 310 | 311 |
|
|
|
|
|
|
|
|
|
|
|
| WAKE UP SWITCH |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| UOSCI | UOSCO | OSCI | OSCO |
|
|
| EEPROM |
| |
|
|
|
|
|
|
|
| Q803 | 193 USB_WAKE |
|
|
|
|
|
|
|
|
| SYSTEM CONTROLLER, |
|
|
|
|
|
|
|
|
|
| IC892 |
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| DIGITAL SIGNAL PROCESSOR |
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
| DETWK | KEY/DOWNLOADREC | SI1 | SO1 | SCK1 | LCDXCS | 1KEYSET 2KEYSET | AJOG | BJOG | SWXHOLD | KEYPAUSE | IC801 (2/3) |
| LOCKHALFSW/ SWOPEN | CLOSEOPENSW | PROTECT | PROTECTHIMD |
| SI0 | 195 | SCK0 | 4 | DO |
| |
|
|
|
|
|
|
|
|
| LCDXRST |
|
|
| SO0 | SDO0 | 3 | SDO0, SCK0 |
| ||||||||||||||||
|
|
|
|
|
|
|
| REG VSTB B+ |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| SCK0 | 197 |
| 2 | SCK |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| XCS_NV | 239 |
| 1 | XCS |
|
|
|
|
|
|
|
|
|
| 128 | 133 | 213 214 215 236 | 124 125 248 249 227 183 | 192 |
|
| 135 | 188 | 184 | 253 |
|
|
|
|
|
| F | |||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| (Page 23) | |
|
|
|
|
| +2.4V |
|
|
|
|
|
|
|
|
|
|
|
|
|
| RESET | DDC3 B+ |
|
|
|
|
|
|
|
|
|
| ||
|
|
| DDC3 B+ | REGULATOR |
|
|
|
|
|
|
|
|
|
|
|
|
|
| SWITCH | VB B+ |
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Q471 |
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
| IC471 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
| B | XRST2 |
|
|
|
|
| DVDD | XWK | MARKT | SDI | SDO | SCK | CS | KEYSET1 KEYSET2 | JOGA | JOGB | HOLD | PAUSE | RST |
|
| S892 | S893 |
|
|
|
|
|
| |||
| (Page 23) |
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| HALF | OPEN/CLOSE | PROTECT |
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| LOCK | DETECT | DETECT | PROTECT |
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
| LCD |
|
|
|
|
|
|
|
|
|
|
|
| DETECT |
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
| MODULE |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
| XWK1, XWK2, |
|
|
| XWK1 | XWK4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| XWK2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
| C | XWK4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
(Page 23)
22 22