Audio outputs are inverted so as to be compatible with DV88. This is compenstaed for in software by setting a register in the DAC to invert the signal
|
|
| P408 | R400 | |
|
|
| C424 | 3K3 | |
|
|
| 47P | 0W125 | |
|
|
| 0805 | ||
|
|
| 100V |
| |
|
|
| 0805 |
| |
+5VA |
|
|
|
| |
C400 |
|
| P409 | R401 | |
C406 | C407 | C408 | 3K3 | ||
10UF | 100N | 100N | 100N | ||
0W125 | |||||
35V | 50V | 50V | 50V | 0805 | |
SGET | 0805 | 0805 | 0805 |
| |
DGND |
|
|
|
| |
+3V3A L400 |
|
| +3V3_DAC0 |
|
120R@100MHz 
C402 
C414
10UF | 100N | DAC |
35V | 50V |
|
SGET | 0805 |
|
DGND
8 | 15 | 20 | 9 | IC403 |
|
|
|
|
ALRCLK_DAC0 | ALRCLK_DAC0 | 1 | DVDD | AVDD | AVDDL | AVDDR | 17 |
|
|
|
| |
LRCKIN |
|
| VOUTL+ |
|
|
|
| |||||
ADAT_DAC0 | ADAT_DAC0 |
| 2 | DIN |
|
|
|
|
|
|
|
|
ABCLK_DAC0 |
| 3 |
|
| VOUTL- | 16 |
|
|
|
| ||
ABCLK_DAC0 |
|
|
| BCKIN |
|
|
|
|
|
|
| |
MCLK_DAC0 | MCLK_DAC0 |
| 5 | SCLK |
|
| VOUTR+ | 12 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
MD | MD | P400 | 26 | MD/DM0 |
|
| VOUTR- | 13 |
|
|
|
|
|
|
|
|
|
|
|
| |||||
MC | P401 | 27 |
|
|
|
|
|
|
|
| ||
MC | MC/DM1 |
|
|
|
|
|
|
|
| |||
ML_8740_0 | ML_8740_0 | P438 | 28 | ML/I2S |
|
| VMIDL | 18 |
|
|
|
|
|
| +3V3_DAC0 | 23 | CSBIOW |
|
| VMIDR | 11 |
|
|
|
|
|
|
| 24 | MODE |
|
|
|
|
|
|
|
|
|
|
| 4 | MODE8X |
|
|
|
|
|
|
|
|
|
|
| 6 | DIFFHW |
|
|
|
|
|
|
|
|
|
|
| 25 |
|
|
|
|
|
|
|
| |
| RESET* |
|
| MUTEB |
|
|
|
| C403 | C415 | C412 | C404 |
RESET* | P402 | 22 | RSTB |
|
| ZERO | 21 | 10UF | 100N | 100N | 10UF | |
|
|
|
|
|
|
|
| 35V | 50V | 100V | 35V | |
|
|
|
| DGND | AGND | AGNDL | AGNDR |
| SGET | 0805 | MKS2 | SGET |
|
| DGND |
|
| DGND |
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
| |
7 | 14 | 19 | 10 | XWM8740EDS |
|
|
|
| |
|
|
|
| |
|
|
|
|
|
DGND
+3V3_DAC0 R416
|
|
|
|
|
|
| 10K |
|
|
|
|
| 0W125 |
|
|
|
|
| 0805 |
|
|
|
|
| NF |
|
| CON400 | |
|
|
| 1 | ||
|
|
|
|
| |
|
|
| 2 |
|
|
|
|
|
|
|
|
HARWIN
DGND NF
Useful for
P415R404
C425 3K3
0W125
47P 0805
100V
0805
P416 | R405 | |
|
|
|
3K3
0W125
0805
| +12VA |
| 13 | IC402E |
|
|
|
|
|
| +5VA | V+ |
|
|
|
| |
| C421 | 12 |
|
|
|
|
| |
|
| VL |
|
|
|
| ||
| 100N |
|
|
|
|
|
|
|
| 50V | C423 |
|
|
|
|
|
|
| 0805 | 100N |
|
|
|
|
|
|
|
| 50V |
|
| IC402C |
|
| IC402D |
|
| 0805 | 5 | GND | DG413DY |
|
| DG413DY |
| C422 |
|
|
|
|
| ||
DGND |
|
|
| 11 | 10 | 15 | 14 | |
| 100N |
|
|
|
|
|
|
|
| 50V |
|
|
|
|
|
|
|
| 0805 |
| 4 | V- | 9 |
|
| 16 |
|
|
| DG413DY |
|
|
|
| |
|
|
|
|
|
| DGND |
|
+12VA
|
|
|
|
|
|
|
|
|
|
|
|
| OUTPUT BUFFER |
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
| Gain of |
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
| Cheapo version could have bipolar |
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| R420 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 11K |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 0W125 |
|
|
|
|
FILTER |
|
|
|
|
|
|
|
|
|
|
|
|
| 0805 |
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
2nd order Bessel filter, Av=1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
| R408 |
|
|
|
|
|
|
|
|
|
|
|
| C434 | R422 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
C426 | R402 | 680R | C430 |
|
|
|
|
|
|
|
|
|
|
| 33P | 1M0 |
|
|
|
| IC400B |
|
|
|
|
|
|
|
|
| 100V | 0W125 |
|
|
| ||||
0W125 |
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||
2N2 | 3K3 | 680P | 5 |
|
|
|
|
|
|
|
|
| IC401B | 0805 | 0805 |
|
|
| |
0805 |
|
| P414 |
|
|
| R413 |
| P423 |
|
|
| |||||||
100V | 0W125 | 100V |
| 7 |
|
|
|
|
| 6 | P424 | R424 | C436 | R425 | P427 | ||||
FKP2 | 0805 |
| FKP2 | 6 | OPA2134UA |
|
|
|
| 10K |
|
| 7 |
| |||||
|
|
|
|
|
|
|
|
|
|
| 5 |
|
|
|
|
| |||
|
|
|
|
|
|
|
|
| 0W125 |
|
|
| 47R |
| 47R |
| |||
|
|
|
|
|
|
|
|
|
|
|
| OPA2134UA | 100UF |
| |||||
|
|
|
|
|
|
|
|
|
| 0805 |
|
| 0W125 | 0W125 |
| ||||
DGND |
|
|
|
|
|
|
|
|
|
|
| DGND |
| 16V |
| ||||
|
|
| C431 |
|
|
|
|
|
|
|
|
| 0805 | 0805 |
| ||||
|
|
| R409 |
|
|
|
|
|
| IC402B |
|
|
|
| NONP |
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
| DG413DY |
|
|
|
|
|
|
|
|
C427 |
|
| 680R | 680P |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
| 0W125 |
|
|
|
| R412 | P422 |
|
|
|
|
|
|
|
|
| ||
2N2 |
|
| 100V |
|
|
|
| 7 | 6 |
|
|
|
|
| R414 |
| |||
100V |
|
| 0805 | FKP2 |
|
|
|
| 10K |
|
|
|
|
|
|
|
| 47K |
|
FKP2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 0W125 |
| |
|
|
| R403 |
|
|
|
| 0W125 |
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
| 8 |
|
|
|
|
|
| 0805 |
| ||
|
|
|
|
|
|
|
|
| 0805 |
|
|
|
|
|
|
|
| ||
DGND |
|
|
| 3K3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| DGND |
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
| 0W125 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
| 0805 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| GAIN_SCALING |
|
|
|
| GAIN_SCALING | P431 |
|
|
|
|
|
| RLY400A |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
| 1=HDCD gain, 0=normal |
|
|
|
|
|
| R415 |
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
| 10K |
|
|
|
|
|
|
| R434 |
|
|
|
|
|
|
|
|
|
|
| 0W125 |
|
|
|
| DGND |
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
| 0805 |
|
|
|
|
|
| NEC | 1K0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
| DGND |
|
|
|
|
|
| 0W125 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 0805 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| +5VD |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| D404 | RLY400C | RLY500C | RLY600C |
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
| NEC | NEC | NEC |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| BAS16 |
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
| MUTING |
|
| P437 |
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
| Base resistor on sheet 3 |
|
|
| D401 |
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
| TR401 |
| BAT54S |
|
|
| C438 |
|
|
|
|
|
| MUTE_BUF* | MUTE_BUF* |
|
|
| FMMT497 |
|
|
|
| 100P | |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 100V | |
|
|
|
|
|
|
|
|
|
|
| P436 |
|
|
|
|
|
|
| 0805 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| R429 | ||
|
|
|
|
|
|
|
|
|
|
| DGND | R436 |
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 0R0 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 100R |
|
|
| DGND | |
C416 | C413 |
|
|
|
|
|
|
|
|
| TR400 |
|
|
|
|
|
| 0805 | |
|
|
|
|
| AC_PRES* | P435 |
|
|
| 0W125 |
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
100N | 100N |
|
|
|
| AC_PRES* |
|
| BC849B |
|
| 0805 |
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
50V | 100V |
|
|
|
|
| Base resistor on PSU |
|
|
|
|
|
|
|
|
| |||
0805 | MKS2 |
|
|
|
|
|
|
|
|
|
|
|
| C441 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| DGND |
|
| 1N0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 100V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 0805 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| C442 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1N0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 100V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 0805 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| C443 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| DGND 1N0 | EMC_GND |
|
| +12VA | |
|
|
| +12VA |
|
|
|
|
|
|
|
|
|
| 100V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 0805 |
|
|
|
|
| |
|
|
| C401 | C409 |
|
|
|
|
|
|
|
|
|
| R421 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
| 10UF | 100N |
|
|
|
|
|
|
|
|
|
|
| 11K |
|
|
|
|
|
| 35V | 50V |
|
|
|
| 1 |
|
| +12VA |
|
|
|
|
|
| |
|
|
| SGET | 0805 |
|
|
|
|
|
|
|
|
|
|
| 0W125 |
|
|
|
|
|
| DGND |
|
|
| R417 | P428 | 2 | 3 |
| C410 |
|
| 0805 |
|
|
| |
|
|
|
|
|
| 10K |
|
|
|
|
|
|
|
|
|
| |||
2nd order Bessel filter, Av=1 |
|
|
|
|
| IC402A |
|
| 100N |
|
|
|
|
| |||||
|
|
|
| 0W125 |
|
|
|
|
|
|
|
| |||||||
|
|
|
|
|
|
|
| DG413DY |
|
| 50V |
|
|
|
|
|
|
| |
P417 |
| R410 |
|
|
|
| 0805 |
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
| 0805 |
|
| C435 | R423 |
|
| |||||
|
| 680R |
|
|
|
|
|
|
|
|
|
|
|
|
| 33P | 1M0 |
| P434 |
C428 | R406 | C432 |
|
| IC400A |
|
|
|
|
| DGND |
|
|
| 100V | 0W125 |
| ||
0W125 |
| 8 |
|
|
|
|
|
|
|
|
|
| |||||||
2N2 | 3K3 | 680P | 3 |
|
|
|
|
|
|
|
| IC401A | 0805 | 0805 |
|
| |||
0805 | 1 | P421 |
| R418 |
| P429 | 2 | 8 | C437 |
| |||||||||
100V | 0W125 |
| 100V |
|
|
|
|
|
|
| P430 |
| R426 | R427 | |||||
FKP2 | 0805 |
| FKP2 | 2 |
| OPA2134UA |
|
| 10K |
|
| 3 |
| 1 |
|
| |||
|
|
|
|
| 4 |
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
| 0W125 |
|
|
|
|
|
| 47R |
| 47R | |||
|
|
|
|
|
|
|
|
|
|
| 4 | OPA2134UA |
| 100UF | |||||
|
|
|
|
|
|
|
| 0805 |
|
|
|
| 0W125 | 0W125 | |||||
DGND |
|
|
|
|
|
|
|
|
| DGND |
|
|
| 16V | |||||
|
|
| C433 |
|
|
|
|
|
|
|
|
| 0805 | 0805 | |||||
|
|
| R411 |
|
|
|
|
|
|
|
|
|
|
|
| NONP | |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
C429 |
|
| 680R | 680P |
|
|
|
|
|
| DGND | C411 |
|
|
|
|
| R419 | |
|
| 0W125 |
|
|
|
|
|
|
|
|
|
|
| ||||||
2N2 |
|
| 100V |
|
|
|
|
|
|
| 100N |
|
|
|
|
| 47K | ||
|
| 0805 |
|
|
|
|
|
|
|
|
|
|
|
| |||||
100V |
|
| FKP2 |
|
|
|
|
|
|
| 50V |
|
|
|
|
|
| 0W125 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
FKP2 |
|
|
| R407 |
|
|
|
|
|
|
| 0805 |
|
|
|
|
| 0805 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
DGND |
|
|
| 3K3 |
|
|
|
|
|
|
|
|
|
|
|
|
| DGND | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
| 0W125 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 0805 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| RLY400B |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| C405 |
|
| C417 | DGND |
|
|
|
| R435 |
| |||||
|
|
|
|
|
|
|
|
|
| NEC |
|
|
|
| ||||
DGND |
|
| ||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
| 10UF |
|
| 100N |
|
|
|
|
|
| 1K0 |
| ||||
|
|
| 35V |
| 50V |
|
|
|
|
|
|
|
|
| 0W125 |
| ||
|
|
| SGET | 0805 |
|
|
|
|
|
|
| 0805 |
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
D400
BAT54S
R428LEFT_OUT
0R0 0W125
0805
SCART_LEFT
LEFT
SKT400
KUNMING GOLD
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| C418 |
|
|
|
|
|
|
|
|
|
| C439 |
|
|
| C419 |
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||
|
| 100P |
| SCRN |
|
|
|
|
|
|
| 100P |
|
|
| 100P |
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||||
|
| 100V |
|
|
|
|
|
|
| 100V |
|
| 100V |
|
|
|
| ||||||||
| 0805 |
|
|
|
|
|
|
|
|
| 0805 |
|
| 0805 | R431 |
|
|
|
| ||||||
| OUT_GND2 |
|
|
|
|
|
|
| OUT_GND1 |
|
|
|
|
|
|
| |||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| C440 |
|
|
|
|
|
|
| C444 |
|
|
| 0R0 |
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
| 0805 | DGND | |||||||||||||
|
|
|
| 1N0 |
|
|
|
|
|
|
| 1N0 |
|
|
|
| |||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
| 100V |
|
|
|
|
|
|
| 100V |
|
|
|
|
|
|
|
|
| ||||
|
|
| 0805 |
|
|
|
|
| 0805 |
|
|
|
|
|
|
|
|
|
| ||||||
EMC_GNDRIGHT
D403
BAT54S
R430 RIGHT_OUT
0R0 0W125
0805
SCART_RIGHT
ITEM400
1
E828AP Pad Damping 7.5x6x3MM Rubber
Fit on top of RLY400
| DRAWING TITLE DV29 MAIN DAC L & R AUDIO |
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
| Filename: L971C4.Sch |
|
|
|
|
|
|
|
| |
| Notes: |
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
| A & R Cambridge Ltd. |
|
| 04_E121 | PG | Production release |
|
| 1.0 | |
| Pembroke Avenue |
|
|
|
|
|
|
|
|
|
|
|
| ECO No. | INITIALS | DATE | DESCRIPTION OF CHANGE |
|
| ISSUE | |
| Waterbeach |
|
|
|
| |||||
| Cambridge CB5 9QR | Contact Engineer: Peter Gaggs | Contact Tel: (01223) 203270 | Printed: | Sheet 4 of 11 | A2 | DRAWING NO. L971C4 | |||
