
CDX-CA850/CA850X/CA860X
• IC BLOCK DIAGRAMS
| IC1 CXA2596M |
|
|
|
|
|
| ||||
|
| APC PD AMP |
|
|
|
|
|
| |||
HOLD | 1 |
|
|
| + |
|
|
| VCC | 24 | VCC |
|
|
| – |
| VCC |
| |||||
|
|
|
|
|
|
|
|
|
| ||
|
|
| VEE |
|
|
|
|
| + |
|
|
|
|
|
|
|
|
|
|
| – |
|
|
AGCVTH | 2 |
|
|
|
|
|
|
|
| 23 | LC/PD |
|
| VEE | 1.25V | VREF | + |
| + |
| APC LD AMP |
|
|
|
|
| – |
|
|
|
| ||||
|
|
|
| – |
|
|
| ||||
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
| ||
LD | 3 |
|
|
|
|
|
|
|
| 22 | LD ON |
|
|
|
|
| VC |
|
|
| VCC | 21 HOLD SW | |
PD | 4 |
|
|
| – |
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
| + |
|
|
|
|
|
|
|
|
|
|
|
| + |
|
|
|
|
|
A | 5 |
|
|
|
| – |
|
|
| 20 | AGCCONT |
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
| + | + |
|
|
|
|
|
|
|
|
|
| – |
|
| |
|
|
|
|
|
|
|
| – |
|
| |
B | 6 |
|
|
|
|
|
| VC | 19 | RF BOT | |
|
|
|
|
|
|
| |||||
|
|
|
|
|
| + |
|
|
|
|
|
|
|
|
|
|
| – |
|
|
|
|
|
C | 7 |
|
|
|
|
|
|
| VEE | 18 | RFTC |
|
|
|
|
|
|
|
| ||||
|
|
|
|
| VC | + | VC |
| + |
|
|
|
|
|
|
|
| – |
|
| – |
|
|
D | 8 |
|
|
| RF SUMMING AMP |
| RF EQ AMP | 17 | RF I | ||
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
| VC |
|
|
| RFO |
VEE | 9 | VEE |
|
| VC |
|
|
| ERROR AMP | 16 | |
|
|
|
|
|
|
|
| FOCUS |
|
| |
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
| + |
|
|
|
| VC | + |
|
|
|
|
| – |
| RFE |
F | 10 |
| – |
|
|
|
|
|
| 15 | |
E | 11 |
| – |
|
|
|
|
|
| 14 | FE |
|
| VC | + |
| VC |
|
|
|
|
|
|
|
|
|
|
|
|
|
| – |
|
| |
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
| + |
|
|
VC | 12 | VC BUFFER | + |
| VCC |
|
|
| TRACKING | 13 | TE |
|
|
|
| VEE |
|
|
|
|
| ||
|
|
| – |
|
|
|
|
|
| ||
|
|
|
|
|
|
|
| ERROR AMP |
|
| |
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
| VC |
|
|
|
| VC |
|
|
|
|
|
|
|
|
|
| IC201 SAA6588T |
|
|
|
|
|
|
| LVIN | CIN | SCOUT |
|
|
| VREF | MPX | VSSA | VDDA | AFIN | MAD PSWN |
| 20 | 19 | 18 |
|
|
| 17 | 16 | 15 | 14 | 13 | 12 11 |
|
|
|
|
|
|
|
|
| POWER SUPPLY | PAUSE |
| |
MULTI |
|
|
|
|
|
| & RESET | DETECTOR |
| |||
PATH |
|
|
| 57kHz |
|
|
|
|
|
| ||
DETECTOR |
|
| 8th ORDER |
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
| ||||
|
| CLOCKED |
|
|
|
|
| SIGNAL QUALITY |
|
|
| |
|
| COMPARATOR |
|
|
|
| DECODER |
|
|
| ||
|
|
|
|
|
|
|
| 4 | 5 | 4 |
|
|
|
|
|
|
|
|
| CLOCK |
|
|
|
| |
|
|
|
|
|
|
|
|
| CLOCK |
|
| |
|
| RDS/RDBS |
| RDS/RDBS |
|
| INTERFACE | DATA |
|
| ||
|
| DEMODULATOR | DECODER |
|
| REGISTER |
|
| ||||
|
|
|
|
|
|
| DATA |
|
|
|
| |
|
| TEST | OSCILLATOR |
|
|
|
|
| IIC BUS SLAVE |
| ||
|
| CONTROL | & CLOCK |
|
|
|
|
| TRANSCEIVER |
| ||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|
| 9 | 10 |
|
MRO | MPTH | TCON | OSCO | OSCI | VSSD | VDDD | DAVN |
|
| SDA | SCL |
|
| IC601 BA8270F |
|
| ||
BUS ON | 1 | BUS ON | 14 | VCC | |
SWITCH |
|
| |||
|
|
|
| ||
RST | 2 | RESET | 13 | RST | |
SWITCH | |||||
|
| 12 | BUS ON | ||
|
|
| |||
|
| BATTERY | 11 | CLK IN | |
BATT | 3 | 10 | BU IN | ||
SWITCH | |||||
|
|
|
| ||
CLK | 4 |
|
|
| |
VREF | 5 |
|
|
| |
DATA | 6 |
| 9 | DATA IN | |
GND | 7 |
| 8 | DATA OUT |
| IC7 |
|
|
|
|
| |
FWD | 1 |
|
|
| GND | 36 | |
|
|
|
| ||||
|
| INPUT |
|
|
|
|
|
REV | 2 |
|
| MUTE2 | 35 | MUTE2 | |
| ON/OFF |
| |||||
|
|
|
|
|
|
| |
VCC2 | 3 |
| CH1 OUTPUT |
| MUTE1 | 34 | MUTE1 |
| ON/OFF |
| |||||
|
|
|
|
|
|
| |
VL0– | 4 |
|
|
|
| 33 | VIN4 |
|
| OUTPUT |
|
|
|
|
|
|
| CONTROL |
|
|
|
|
|
VL0+ | 5 |
|
|
|
| 32 | VIN4– |
|
|
| – |
| + |
|
|
|
|
|
| – |
|
| |
|
|
| + |
|
|
| |
VO4+ | 6 |
|
|
| 31 | VIN4+ | |
|
|
|
| ||||
|
| LEVEL |
|
|
|
|
|
VO4– | 7 | SHIFT |
|
| – | 30 | |
|
|
| + | ||||
VO3+ | 8 |
|
|
| VIN1/VREF SW | 29 | VIN1 |
|
| LEVEL |
|
|
|
|
|
|
| SHIFT |
|
|
|
|
|
VO3– | 9 |
|
|
|
| 28 | |
|
| – |
|
|
|
|
|
|
| + |
| 5V REG |
|
| |
|
|
|
|
|
| ||
|
|
|
|
| + |
|
|
VO2+ | 10 |
|
|
| – | 27 | |
|
|
|
| ||||
|
| LEVEL |
|
|
|
|
|
|
| SHIFT |
|
|
|
|
|
VO2– | 11 |
|
|
|
| 26 | |
VO1+ | 12 |
|
|
|
| 25 | VIN3+ |
|
| LEVEL |
| – | + |
|
|
|
|
| – |
|
| ||
|
| SHIFT |
|
|
| ||
|
|
| + |
|
| ||
VO1– | 13 |
|
|
| 24 | VIN3– | |
|
|
|
| ||||
VCC1 | 14 |
|
|
|
| 23 | VIN3 |
VIN1 | 15 | – |
|
| + | 22 | VIN2+ |
|
| + |
| – |
|
| |
|
|
| – |
|
| ||
|
|
|
|
|
| ||
|
|
|
| + |
|
| |
16 |
|
|
| 21 | VIN2– | ||
|
|
|
| ||||
|
|
|
|
|
|
| |
VIN1+A | 17 | – |
|
|
| 20 |
|
+ |
|
|
| VIN2 | |||
18 | – |
|
|
| 19 | VIN1 +B | |
|
| + |
|
|
|
|
|
42 42