C197
10P CD
R212
68K MF
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| Z160A |
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| BASS |
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R200 | R210 | C200 | R202 | RV166A | R204 |
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2 |
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SELOPL |
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| 1 | 4K7 MF | 10K LIN POT | 4K7 MF |
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24K MF | 10K MF | 3 |
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+ |
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| 4560D | 47U EL 35V | C204 |
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| C206 |
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RV167A |
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| 220N PE |
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| 220N PE |
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10K LIN POT |
| 0V_SIG |
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| SW162A | |
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| Z161A |
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| 2PCO |
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| R205 |
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| C202 |
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| Tone controls : |
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| 3 |
| 1 | 2 | 3 | ||
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| 4K7 MF |
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| 8dB cut and boost |
| 1 | + |
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| 2 |
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| 10U EL |
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| 4560D |
| R232 |
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| C208 |
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| 100K MF |
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| 4N7 PP | 0V_SIG |
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| C210 |
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| 0V_SIG |
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| R214 |
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| R216 | 100P PP |
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| 3K3 MF |
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| 3K3 MF |
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| RV165A |
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| 10K LIN POT |
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| TREBLE |
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| Pot arrow shows max boost |
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| LK200 |
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| 1 | 2 |
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| 10MM LINK |
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SW163A
2PCO
1 | 2 | 3 |
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| PROT_OP_L | |
| 4 | HPSW1 | R161 | |
L | 5 | |||
HPSW2 | 330R 1W CF | |||
| 2 |
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LHC |
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RHC | 3 |
| R162 | |
| 1 |
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SK162 |
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| CF |
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6 |
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| 330R 1W |
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HPSKT |
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R |
| 7 |
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| R236 |
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| R237 | 4 | 5 |
| 6 | ||
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| 100R W2 CF |
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| 100R W2 CF |
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| SW163B | ||
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| 2PCO |
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LK170 | LK171 |
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1 | 1 | SP2_SEND_L | |
2 | 2 | ||
SP2_RETN_L | |||
3 | 3 | ||
| |||
4 | 4 | SP2_RETN_R | |
5 | 5 | ||
SP2_SEND_R | |||
6 | 6 | ||
OP_L | |||
7 | 7 | ||
OP_R | |||
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L825CA | L825CA | 0V_LS_R | |
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| RV164D |
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| 9 | R220 |
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| Case7 | |
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| 11K MF | |
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| 6A360M |
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| R218 |
LK168 |
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| 9K1 MF |
L809CA |
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1 | RV164A |
| LK169 |
2 | 6A360M |
| 1 |
3 |
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| 2 |
4 |
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| 3 |
5 |
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| 4 |
6 |
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| 5 |
7 |
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| 6 |
8 | RV164B |
| 7 |
| 6A360M |
| 8 |
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| 0V_SIGL809CA |
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| R219 |
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| 9K1 MF |
- |
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RV164C |
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6A360M | 2 | VOLMOTA161 |
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C195 | 1 | 2W CABLE HOLDER | R221 |
10N CD |
| 11K MF | |
+ |
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| |
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+ |
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VOLUME POT SNAP OFF BOARD |
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| C196 |
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| BASS |
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| 10P CD |
| R203 | RV166B | R206 |
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| 4K7 MF | 10K LIN POT 4K7 MF |
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| R211 |
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| 68K MF |
| C205 |
| C207 |
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R201 | R213 | Z160B | C201 | 220N PE |
| 220N PE |
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6 |
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| SW162B | ||||
SELOPR |
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| 7 |
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24K MF | 10K MF | 5 |
| R207 |
| Z161B |
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| 2PCO |
| |
+ |
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| ||||||
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| C203 |
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| ||||
RV167B |
|
| 47U EL 35V | Tone controls : | 4K7 MF | 5 |
| 4 | 5 | 6 | ||
10K LIN POT |
| 4560D |
| 8dB cut and boost |
|
| 7 | + |
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| 6 |
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| 10U EL |
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| 0V_SIG |
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| 4560D |
| R233 |
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| C209 |
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| 100K MF |
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| 4N7 PP | 0V_SIG |
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| C211 |
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| 0V_SIG |
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| R215 |
| R217 | 100P PP |
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| ||
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| 3K3 MF |
| 3K3 MF |
|
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| |||
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| RV165B |
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| ||
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| 10K LIN POT |
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| |
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| TREBLE |
|
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|
| Pot arrow shows max boost |
|
| LK239 |
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| 1 |
| 2 |
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| 10MM LINK |
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| LK176 |
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| 1 | 2 |
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| 10MM LINK |
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| Z163A |
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| Fit on A65 only |
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| ||
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| 3 | R230 |
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| AVCONTROL |
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| 1 |
|
| |||
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| R234 |
| 2 | 47R MF |
|
| |||
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| Z164 |
|
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| |||
| 1 |
| 16 |
| 100K MF | OPA2134PA | C227 |
|
| ||
| SEL1 | SEL2 |
|
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| ||||||
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| ||||||
| 2 |
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| 15 |
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| 100P PPW |
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| D1 | D2 | +15v | 0V_SIG |
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| R238 |
|
| ||
| 3 |
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| 14 |
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| S1 | S2 |
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| 1K2 MF | PL161 |
| ||
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| +15v | C216 |
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| 4 | V- | V+ | 13 |
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| R240 |
| 1 | 2 | |
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| +5v | 100N CD |
|
| 1K0 MF |
| 3 | 4 |
5 | GND | VL | 12 |
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| 5 | 6 | ||
C217 | 0V_SIG |
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| |||||||
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| 7 | 8 | ||
0V_SIG | 6 | S4 | S3 | 11 | 100N CD |
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| 9 | 10 |
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| 11 | 12 |
| 7 | D4 | D3 | 10 |
| 0V_SIG | 0V_SIG | 13 | 14 | ||
| 8 |
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| 9 |
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| 15 | 16 | |
| SEL4 | SEL3 |
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| DIL16 VPLG | |||
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| DG413DJ |
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| |||
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| ||
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| AVCONTROL |
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| Z163B |
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| AVCONTROL |
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| 5 | R231 |
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| 7 |
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| LK177 | R235 |
| 6 | 47R MF |
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| |
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| 100K MF |
| C228 |
|
| |||
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| 1 | 2 | OPA2134PA |
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| |||
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| 10MM LINK |
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| 100P PPW |
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| Fit on A65 only | 0V_SIG |
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| R239 |
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| 1K2 MF |
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R160 |
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1K0 MF |
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| TAPOR | TAPOL |
| PREMUTE |
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| +15v | D164 | D165 |
|
| FIT LINKS FOR 8P |
| |||
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|
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|
| 1N4148 | 1N4148 |
|
| LK174 |
|
| |||
0V_SIG |
| Z171 |
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| 1 |
| 2 |
|
| 1 | SEL1 | SEL2 | 16 |
|
| LK173 |
|
|
| 10MM LINK |
| |||
| 2 |
|
|
| 15 |
| 1 | 2 |
|
| FIT LINK FOR 8P ONLY |
| |||
| D1 |
| D2 |
|
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| SK101B |
|
| ||||
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|
| 10MM LINK |
|
| 5 |
|
|
| ||
| 3 | S1 |
| S2 | 14 | CUT LINK IF CIM FITTED (8P ONLY) | R208 |
| BOT | PREAMP OUT |
| ||||
| 4 |
|
|
| 13 | +15v |
| PWRRIGHT | 100K MF |
| N |
|
| ||
| V- |
| V+ |
|
|
|
| 6 |
|
| |||||
|
| +5v | +15v |
|
|
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|
| |||||
5 |
|
|
| 12 | D166 | D167 |
|
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|
| |||
GND |
| VL |
|
| 0V_SIG | 0V_SIG | F |
|
| ||||||
0V_SIG | 6 |
|
|
| 11 |
|
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|
| 4 | TOP |
|
| |
S4 |
| S3 |
|
| 1N4148 | 1N4148 |
|
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| ||||||
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| PHONO4G |
|
| ||||||
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| |||||
| 7 | D4 |
| D3 | 10 | 0V_SIG | 1 | LK172 | 2 |
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| ||
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| LK175 |
|
| ||||||||
|
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|
| 10MM LINK |
|
|
|
|
| |||
| 8 | SEL4 |
| SEL3 | 9 | CUT LINK IF CIM FITTED (8P ONLY) | R209 |
| 1 |
| 2 |
| |||
|
|
|
|
|
| +15v |
|
| 100K MF |
| 10MM LINK |
| |||
|
| DG413DJ |
|
|
| PWRLEFT |
|
|
| FIT LINK FOR 8P ONLY |
| ||||
| PREMUTE |
|
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| |||
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| C223 |
|
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| ||
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|
| |
| PREMUTE161 | PREMUTE | 100N CD |
| 0V_SIG |
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|
| |||||
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| ||||||
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| 0V_SIG |
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| |
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| C224 |
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| 100N CD |
|
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| |
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| |
8 |
|
| 8 |
|
| 8 |
|
Z163C |
| Z160C |
| Z161C | |||
OPA2134PA |
| 4560D |
| 4560D | |||
4 |
|
| 4 |
| 4 |
| |
+15V |
|
|
|
|
| + | C214 | C218 | C219 |
| C213 | 22U EL | ||
| 100N CD | 100N CD | 100N CD | |
|
| |||
0V_SIG | + C215 | C220 | C221 | C222 |
| 22U EL | |||
| 100N CD | 100N CD | 100N CD | |
|
| |||
|
|
|
|
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 |
|
|
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| |
|
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|
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|
| ||
|
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|
|
| Filename: L940C4_1.0.SCH |
|
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|
|
| Notes: |
|
|
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|
|
| |
A & R Cambridge Ltd. | 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 |
|
|
|
| |||||
Cambridge CB5 9PB | Contact Engineer: Travis Pierce | Contact Tel: (01223) 203 200 | Printed: | Sheet 4 of 7 | DRAWING NO. | L940C4 | |||
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|
