M613 REVISION HISTORY
MODEL(S):- YCV50
# DATE | VER# DESCRIPTION OF CHANGE |
1
2
3 . | . | 20V0 (6465), ADD R104: 150K/2W (4790) | ||
4 . | . | Increased route cutaway on preamp board | ||
5 . | . | |||
6 | . | GT:PC#6776 MOVED TOP MULTIPLE TO ADD ZIPPER | ||
7 | 2.10 | GT:PC#6836:R78 27K #4833 | ||
8 | 2.20 | GT:PC#6865:STDBY FIX, ADDED #4599 x 3 AND #5299 x 1 | ||
9 . | . | GT:PC#6889: X61 #4599 | ||
10 | 3.00 | GT:PC#6886:ADD #4520 TRIMPOT 10K, | ||
11 . | . | AH: Moved some parts, Autoinsert needs more space | ||
12 . | . | PC#6937, MODIFY TUBE SOCKET ROUTING AND DRILLING | ||
13 . | . | PC#6965, MOVE ARC TRACE AWAY FROM TUBES |
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1 . | . | PC#6967, INCREASE CLEARANCS NEAR OUTPUT TUBES | ||
2 | . | PC#7041:GT:UPDATED BIAS NOTE FOR R91&R92 | ||
3 | 3.01 | PC#7053:GT:R53 4850 | ||
4 . | 4.00 | BALVINDER CORRECTED TESTNODE PADS | ||
5 . | . | SPACED W8 TRACE 6MM FROM SCREW HOLE | ||
6 . | . | UPDATED K1,K2 FOR CLINCH | ||
7 | . | PC#7125:GT:CHANGE #3914 RCA JACK TO #6541. | ||
8 . | . | PC#7091:ENLARGE HOLE SIZE FOR #3522 KINK LEADS (S3 | ||
9 . | . | TO S6) |
SEE LAYOUT DIAGRAM
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| M581 DRILL HISTORY | |
MODEL(S):- | YCV50 |
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# | DATE | VER# |
| DESCRIPTION OF CHANGE | |
1 | D | V |
| N | |
2 | D | V |
| N | |
3 | D | V |
| N | |
4 | D | V |
| N | |
5 | D | V |
| N | |
6 | D | V |
| N | |
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| M581 PENDING CHANGES | |
MODEL(S):- | YCV50 |
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# | PC# | PENDING CHANGE | |||
1 | PC | X |
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2 | PC | X |
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3 | PC | X |
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4 | PC | X |
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5 | PC | X |
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6 | PC | X |
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*PLACE IMPLEMENTED CHANGES INTO BOARD HISTORY | |||||
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PRODUCTION NOTES
1. RTV MUST BE ADDED TO THE FOLLOWING CAPS | 5. R63 #6467: APPLY THERMAL |
C1,C16,C19,C17,C70 BETWEEN C84,C28,C60,C15 | COMPOUND GENEROUSLY |
BETWEEN C49,C50, ADDED TO C15,C7,C8,C3,C9 | BETWEEN PART AND HEATSINK |
C56,C14,C6,C10,C4,C2 AND C12 | 6. NA: BIAS 350mV ACROSS R91 |
2. C53 IS 22N FOR BOTH NORTH AMERICA AND CE | AND 350mV ACROSS R92 |
3. C3,C7,C6 MUST BE LOW PROFILE PT#5631 | CE: BIAS 300mV ACROSS R91 |
4. C8,C9 MUST BE LOW PROFILE PT#5879 | AND 300mV ACROSS R92 |
10 D | V | N | |
11 D | V | N | |
12 D | V | N | |
13 D | V | N | |
1 | D | V | N |
2 | D | V | N |
3 | D | V | N |
4 | D | V | N |
5 | D | V | N |
6 | D | V | N |
7 | D | V | N |
8 | D | V | N |
9 | D | V | N |
10 | D | V | N |
11 | D | V | N |
12 | D | V | N |
13 | D | V | N |
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| M613 POT LIST |
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MODEL(S):- | YCV50 TUBE AMP |
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REF | FUNCTION | PART# | KNOB | AS OF | |
P1 | DRIVE |
| #4425 | #8430 | 11/00 |
P2 | TREBLE |
| #4424 | #8430 | 11/00 |
P3 | BASS |
| #4425 | #8430 | 11/00 |
P4 | MID |
| #4423 | #8430 | 11/00 |
P5 | MASTER |
| #4425 | #8430 | 11/00 |
P6 | MID |
| #4423 | #8430 | 11/00 |
P7 | BASS |
| #4425 | #8430 | 11/00 |
P8 | TREBLE |
| #4424 | #8430 | 11/00 |
P9 | CLEAN VOLUME | #4425 | #8430 | 11/00 | |
P10 | MASTER VOLUME | #4423 | #8430 | 23/04 | |
P11 | REVERB |
| #4424 | #8430 | 11/00 |
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"STYLE_P32"
3796 on this device only.
Z352
LEAD/PIN REFERENCE
IRF830
MJE340
MPSA56 |
| COM1 COM2 | |
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MPSA06 | BC550C | NC1 | NC2 |
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| NO1 | NO2 |
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| 4N35 |
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| NE5532N | ||
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| C B E | G2 | G1 |
| H |
| H | 3700_DRW |
G D S | E C B | E B C |
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| 5 | 1P | ||||
4 | 5 |
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| 4 | 6 | |||||
P 3 | 6 | NC | 2K 3 |
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| 7 1G | ||||
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| H 2 | 7 | H | 2G 2 |
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| 8 1K |
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| 1 | 8 K |
| 2P | 1 |
| 9 |
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| NC | G3 |
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| HT |
Lots of goop | 2 of 8701 |
on the thermistor. | 2 of 3850 |
2 of 8829
-to hold z352 in place
PCB
2 of 8741