Denon S-52 DAB Service Manual page 40

Q Q
3 7 6 3 1 5 1 5 0
Check Analog Audio Data output from CODEC
to AMP. 1U-3846-1(MAIN UNIT)
[IC300] output and [IC301] input
[Lch],[Rch]
O.K.
Check audio mute signal.
1U-3846-1(MAIN UNIT)
[PRE_MUTE]:"L"level O.K.?
O.K.
Check Analog Audio Data output from AMP
to POWER AMP. 1U-3859-6(POWER AMP UNIT)
AMP output and POWER AMP[IC505] input
[ANALOG_Lch],[ANALOG_Rch]
O.K.
Check audio mute signal.
1U-3859-6(POWER AMP UNIT)
[AMP_MUTE]:"L"level O.K.?
T E
L 1 3 9 4 2 2 9 6 5 1 3
O.K.
Check Analog Audio Data output from POWER AMP
to SPEAKER. 1U-3859-6(POWER AMP UNIT)
POWER AMP output and SPEAKER input
[+SP(L)],[+SP(R)]
O.K.
END
w w w
.
http://www.xiaoyu163.com
N.G Check Soldering.
[IC300]:40,41pin on MAIN UNIT.
[IC301] on MAIN UNIT.
Check Soldering.
N.G [IC701]:47pin on MAIN UNIT.
TR317,TR318,TR301,TR302
on MAIN UNIT.
Check Soldering.
N.G CX062 on MAIN UNIT.
CY062,IC505 on MAIN UNIT.
N.G Check Soldering.
[IC701]:48pin on MAIN UNIT.
TR501 ON POWER AMP UNIT.
N.G Check Soldering.
IC505,CY042 ON POWER AMP UNIT.
x a o u 1 6 3
y
i
http://www.xiaoyu163.com
8 9
Q Q
3 7 6 3 1 5 1
c o
.
40
2 4 9 8 2
5 0 8 9 2 4 9 8 2
m
S-52/S-52DAB/S-32
9 9
9 9