Blue Shadow
Waiting for Vintage Gear from this century
The parts list I have seem to have replace if bad along with must replace components. I'm curious as to which are the must replace items. The unit was working before I got into it.
Here is the transistor list:
2SA628A
2SA720
2SA725-yes, this is always replaced when found
2SA750
2SA841S
2SA858
2SA872A
2SB507
2SB536a
2SC1312
2SC1313
2SC1318
2SC1384-yes, this one is overworked on the protection board
2SC1439
2SC1775A
2SC869
2SC945
2SD313-yes, this one on the power supply-a board needs a break
2SD381a
2SD325
Here are the power supply diodes and resistors, should these be changed? Older recommended replacement listed after the component.
awr-103 d1 wz-140 512-1N5244B
awr-103 d2 wz-130 512-1N5243B
awr-103 d3 wz-061 512-1N5234B
awr-103 d4 wz-061 512-1N5234B
awr-103 r1 10 ohms 1 w 71-CPF110R000FKE14
awr-103 r19 10 ohms 2 w 594-5083NW10R00J
awr-103 r20 10 ohms 1/2 w 66-RG1/210JTR
awr-103 r21 10 ohms 2 w 594-5083NW10R00J
The protection diode: awm-090 d5 eqa01-33r 512-1N5257B
To do this right do both relays get swapped?
Here is the transistor list:
2SA628A
2SA720
2SA725-yes, this is always replaced when found
2SA750
2SA841S
2SA858
2SA872A
2SB507
2SB536a
2SC1312
2SC1313
2SC1318
2SC1384-yes, this one is overworked on the protection board
2SC1439
2SC1775A
2SC869
2SC945
2SD313-yes, this one on the power supply-a board needs a break
2SD381a
2SD325
Here are the power supply diodes and resistors, should these be changed? Older recommended replacement listed after the component.
awr-103 d1 wz-140 512-1N5244B
awr-103 d2 wz-130 512-1N5243B
awr-103 d3 wz-061 512-1N5234B
awr-103 d4 wz-061 512-1N5234B
awr-103 r1 10 ohms 1 w 71-CPF110R000FKE14
awr-103 r19 10 ohms 2 w 594-5083NW10R00J
awr-103 r20 10 ohms 1/2 w 66-RG1/210JTR
awr-103 r21 10 ohms 2 w 594-5083NW10R00J
The protection diode: awm-090 d5 eqa01-33r 512-1N5257B
To do this right do both relays get swapped?