Hi,
I have a Technics SA-410. When it's cold and I turn it on,
the left channel works fine. The right channel is silent
until I turn it up to around 3 and then it comes on and stays
on and works fine. I can turn it off and on and it will stay on
once it's warmed up. What do you think the...
Hey guys,
Here are the readings I got from Q707 and Q708:
Incidentally, after about 10 seconds, you really don't want to leave your finger on Q708.
Q707:
D 24.7
G 19.3
S 5.6
Q708:
B 14.3
C 24.7
E 13.7
I have a picture of the parts I replaced to get the receiver working again...
Hi! How have you been? Sorry it took so long to get back but you know how life can get in the way of things you'd much rather be doing lol. Well, I got the receiver working again and I've had it powered up several hours, several times, without fail. One thing I have noticed is that Q708, which...
Yeah, very weird. At first, when the relay first came on, I went to plug in a speaker on the left side and I saw a spark. So, obviously I didn't do that again lol
while I was probing around there with the stereo on, it suddenly came out of protection mode. But it wasn't good out of the speaker terminals. Basically, it squealed and cut back into protect again. When I cut the speaker output off at the front panel, it came out of protect mode again. The...
I'm sorry. I re checked 8,9 and read 148k and 7,8 was about 15 M ohms
Q622 was -B -63.6, C -63.2 E -63.6
D616 1.135 .259
Q628
BE .638
BC ..612
EB 1.3
CB .612
CE 1.4
Hi,
I measured d1001 and got anode 38.43 and cathode 39.75
Pin 8 on IC1002 was -26.8 mV
Z601 0 V
Z602 -63.8 V
R1049 148.7
C1009 37uf
The amp is definitely in protection mode and yes, the red light is lit for safety. The display appears to be working fine.