Hey Guys, I am hoping somebody can help me track down a volume issue on a Re-issue Fender Deluxe Reverb. I am posting the test point values below. I can send pictures of the waveform if needed. The amp sounds fine, just has low output sometimes. I replaced all electrolytic caps, reflowed solder joints, tried swapping tubes.

Fender Deluxe Reverb Reissue Test Point Measurements
Test point Location Conversion
From mV to V
Min Max Actual Unit Note
TP-1 CP14 +396 VDC
316.8 475.2 417 VDC
TP-2 CP16 +394 VDC
315.2 472.8 414 VDC
TP-3 CP17 +311 VDC
248.8 373.2 324.6 VDC
TP-4 CP18 +261 VDC
208.8 313.2 262 VDC
TP-5 R69 -49 VDC
-39.2 -58.8 -50.8 VDC
TP-6 P21A-3 37 mVAC 0.037 0.0296 0.0444 2.46 VAC
TP-7 C1 +1.3 VDC
1.04 1.56 1.966 VDC
TP-8 R4 1.6 VAC 1.28 1.92 47 VAC
TP-9 P21A-5 47 mVAC 0.047 0.0376 0.0564 0.78 VAC
TP-10 C11 +1.4 VDC
1.12 1.68 1.78 VDC
TP-11 R11 2.7 VAC 2.16 3.24 23 VAC
TP-12 P22A-5 37 mVAC 0.037 0.0296 0.0444 2.46 VAC
TP-13 C6 +1.3 VDC
1.04 1.56 1.364 VDC
TP-14 R16 1.6 VAC 1.28 1.92 128 mV AC
TP-15 P22A-3 47 mVAC 0.047 0.0376 0.0564 0.55 VAC
TP-16 R23 2.7 VAC 2.16 3.24 4.4 VAC
TP-17 R26 1.9 VAC 1.52 2.28 2.6 VAC
TP-18 C15 +7.1 VDC
5.68 8.52 3.8 VDC
TP-19 CP20 60 VAC 48 72 200 VAC
TP-20 CP22 900 mVAC 0.9 0.72 1.08 3.9 VAC
TP-21 R28 1.4 mVAC 0.0014 0.00112 0.00168 98 mV AC
TP-22 C16 +1.4 VDC
1.12 1.68 1.473 VDC
TP-23 R29 80 mVAC 0.08 0.064 0.096 320 mV AC
TP-24 R32 115 mVAC 0.115 0.092 0.138 258 mV AC
TP-25 R34 3.8 VAC 3.04 4.56 4.2 VAC Volume increased when probing TP-25/R34 but could not get volume to drop again by probing R34 or surrounding components
TP-26 R40 -.2 VDC -0.16 -0.24 -.24 VDC
TP-26 R40 -6.8 VDC -5.44 -8.16 -7.5 VDC
TP-27 C23 +1.8 VDC
1.44 2.16 1.7 VDC
TP-27 C23 0 VDC
0 0 0 VDC
TP-28 C24 11 VDC 8.8 13.2 19.3 VDC
TP-28 C24 0 VDC 0 0 0.02 VDC ~0
TP-29 R43 300 VAC 240 360 200 300V pk-pk
TP-30 R45 VAC 0 0 0 waveform
TP-31 R49 5.3 VAC 4.24 6.36 12 VAC 5.3V pk-pk
TP-32 R52 1.9 VAC 1.52 2.28 0.9 VAC 1.9V pk-pk
TP-33 R51 68 VDC
54.4 81.6 51.8 VDC
TP-34 R54 22 VAC 17.6 26.4 40 VAC
TP-35 R55 23 VAC 18.4 27.6 43 VAC
TP-36 R57 -37 VDC
-29.6 -44.4 -37.1 VDC
TP-37 V7-3 391 VDC
312.8 469.2 408.1 VDC Pop and slight volume increased noticed when probing TP-37 / V7-3, pushing one way increased volume, pushing opposite way decreased, suspect that pin needs to be re-tensioned
TP-37 V7-3 174 VAC 139.2 208.8 160 VAC
TP-38 V8-3 174 VAC 139.2 208.8 160 VAC
TP-39 J8 TIP 11 VAC 8.8 13.2 8.8 VAC