|
| D907 |
|
|
| 1N4003F | |
|
| +5v |
|
|
| R905 |
|
|
| 33K MF | C912 |
R901 |
|
| Q900 |
12K MF |
| BC556B 10N CD | |
+ |
| ||
|
|
| |
| C901 100U EL |
| |
|
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| MOTSUP900 |
| |
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| + |
| C918 |
|
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| C920 |
| |
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| 1M0 25V |
| 100N CD |
|
| 7 | 8 | Z905 | 0V_DIG | 0V_DIG | |
|
| BA6109 | |||||
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| VCC1 | VCC2 |
|
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| |
3 | CC1 | MD1 | 2 | VOLM901 | |||
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5 | MC1 |
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| C913 | 2 | VOLMOT900 |
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| ||
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| 10N CD |
| 1Y271 |
4 | REF |
|
| GND | 1 | 1 |
|
6 | MC2 |
|
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| 0V_DIG |
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| VOLM900 | |||
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| MD2 | 10 | ||
9 | CC2 |
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| ||
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| ||
SK900
FFC10V
10 9 8 7 6 5 4 3 2 1
Disp H Disp F Disp DDisp B | 0V_DIG | |
Disp A | ||
13 | ||
Disp I Disp GDisp EDisp C |
Z907A |
|
74HC4051 | X 3 |
X0 |
R915
+5v
ACLT1
R900 |
|
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|
1R0 FU |
|
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| 0V_DIG |
| |
D906 |
|
| +5v |
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| |
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| ||
C900 | 1N4003F |
|
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10N CD |
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MOTE900 |
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0V_DIG |
|
| R904 |
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R903 |
| 10R MF |
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| |
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| + C915 |
| ||
| 100R MF |
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| |
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| 100U EL |
| |
| R902 |
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| |
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| |
+ C914 | 100R MF |
|
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| LK901 |
220U EL |
| D908 |
| 1 | ||
|
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| ZENER 5V1 400MW | 2 | ||
|
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| 10MM LINK | ||
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| |
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| REMO900 |
| 0V_DIG |
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| LK903 |
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| |
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| 3WAY CABLE HOLDER |
| |
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| 1 |
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| 2 |
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| 3 |
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| +5V | 0V_DIG |
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| P900 | |
|
| RX900 |
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| |
| 3 |
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| ||
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| |
| +5V +5V | O/P | 2 | LK900 |
|
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| 1 |
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| ||
|
| O/P |
| 2 |
|
|
| GND GND | Case Case |
| 3 |
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| L856CA |
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| ||
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| |
| 1 |
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| REMOTE SENSOR SNAP OFF BOARD |
|
| |||
IR RX
SUPPORT PAD
SP1
IR RX SUPPORT PAD
MOTOR DRIVER VOLUME DRIVE
|
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| 1 | Z900 |
|
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| 28 |
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| PB5 |
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| PB6 |
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| 2 |
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| 27 |
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| PB4 | PB7 |
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| 3 |
| 26 |
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| PA3 |
| PA4 |
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4 |
| 25 |
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| PA2 |
| DIP | PA5 |
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| 5 |
| 24 |
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| PA1 | PA6 |
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| 6 |
| PA0 | 28- | PA7 | 23 |
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| |||||||||||||
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| 7 |
| PB3 |
| HT48R30 | OSC2 | 22 |
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| X900 | |||||||
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| ||||||||||||
| 10 |
| PB0 |
| RES | 19 |
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| ||||||||||
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| 8 |
| PB2 |
|
| OSC1 | 21 |
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| ||
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| 9 |
| PB1 |
|
| VDD | 20 |
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| 0V_DIG | |||||
|
|
|
| 11 |
| VSS |
|
| PC5 | 18 |
|
|
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|
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| D910 |
|
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| |||||||||||||||||
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| ||||||||||||||||
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| 12 |
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| 17 |
|
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|
|
| 1N4148 |
| +5v |
|
|
|
|
| CST4.00 | ||||||||||||||||
|
|
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|
|
| (TMR)/INT | PC4 |
|
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| |||||||||||||||||||||
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| 13 |
| PC0 |
|
| PC3 | 16 |
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| ||||
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| 14 |
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| 15 |
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| ||||||
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| PC1 |
|
| PC2 |
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| 0V_DIG |
|
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| R912 |
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| ||||||
|
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| +5V |
|
| +5V |
|
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| 100K MF |
|
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| |||||||
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| R913 |
|
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| + C921 |
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| |||||||||||
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| 10U EL |
|
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| ||||
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| C916 |
|
| 10K MF |
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| |||||||
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| 100N CD |
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| 0V_DIG | |||||||
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| 0V_DIG |
|
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| ||||||
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| 0V_DIG |
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| D911 | ||||||||||||||||
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| 5 |
| 6 |
| 7 |
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| R914 |
|
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| ||||||||||||||||
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| ||||||||||
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| SDA SCL |
| WP |
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| |||||
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| PROT SENSE |
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| 4 |
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| 8 |
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| 4K7 MF |
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| 1N4148 | |||||||||||||
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| VSS |
| VDD |
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| +5v |
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| |||||||||
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| A2 A1 A0 |
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| ||||||||
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| 3 |
| 2 | 1 |
|
| Z906 |
| C917 |
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| |||||||||
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| 24C01 |
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| 100N CD |
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| 14 |
| 15 |
| 12 |
| 1 |
| 5 |
| 2 |
TAPECONTROL | 4 |
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6
11
10
9
AVCONTROL | 7 |
| |
| 0V_DIG |
SW900A
2PCO_NON_LAT
1 | 2 | 3 |
4 | 5 | 6 |
SW900B
2PCO_NON_LAT MUTE
PREMUTE
MUX1
MUX2
MUX3
X1 |
X2 |
X3 |
X4 |
X5 |
X6 |
X7 |
INH |
A |
B |
C |
VEE |
220R MF
+5v
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| C919 |
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0V_DIG
Z907B
74HC4051
WARNING SAFETY CRITICAL COMPONENT REPLACE WITH IDENTICAL PART
USE EXCLUDE NF TO CREATE RUN OUT SHEET FOR A75
USE EXCLUDE A65 TO CREATE RUN OUT SHEET FOR A65
DRAWING TITLE
A75 PLUS AMP
| Filename: L940C7_1.0.SCH |
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| Notes: |
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| |
A & R Cambridge Ltd. | uC, Volume Drive & Remote Control | 01_E020 | TGP | 12/12/01 | PRODUCTION RELEASE |
| 1.0 | |
Pembroke Avenue |
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| ECO No. | INITIALS | DATE | DESCRIPTION OF CHANGE |
| ISSUE | |
Waterbeach |
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Cambridge CB5 9PB | Contact Engineer: Travis Pierce | Contact Tel: (01223) 203 200 | Printed: | Sheet 7 of 7 | DRAWING NO. | L940C7 | ||
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