Denon DVD-3910 Service Manual page 31

Q Q
3 7 6 3 1 5 1 5 0
2. GU-3613-1 (SYSTEM UNIT)/GU-3614 (AUDIO UNIT)
(1) CD,DVD-VIDEO/AUDIO,(SACD-SOURCE DIRECT OFF)
Check connection Mecha UNIT
GU-3613-1(SYSTEM UNIT)
[CX301]output signal
O.K.
Check input signal : IC203
GU-3613-1(SYSTEM UNIT)
[IC203](EPM3128ATC)
75 256fs ,79(512fs),90(BCK),92
LRCK ,93(TSD0 FL/FR),94(TSD1 SL/SR),
96 TSD2 C/SW ,
97(TSD3 MIXL/MIXR without SACD)pin check
O.K.
Check output signal : IC203
GU-3613-1(SYSTEM UNIT)
[IC203](EPM3128ATC)
21 BCK ,22(LRCK),10(FL/FR),12(C/SW),
13(SL/SR),14(MIXL/MIXR without SACD)
O.K.
Check DSP operation
Check Firm version on DSP
" "indicate is N.G.
refer page 17.
O.K.
Check DATA Signal -1
GU-3613-1(SYSTEM UNIT)
[IC203](EPM3128ATC) output
[IC209](DSP) input
O.K.
T E Check DATA Signal -2
L 1 3 9 4 2 2 9 6 5 1 3
GU-3613-1(SYSTEM UNIT)
[IC209](DSP) output
86(FL/FR),82(C/SW ,81(SL/SR),
80(MIXL/MIXR pin
Each output pin Level "H": NG
O.K.
Check DATA Signal -3
GU-3613-1(SYSTEM UNIT)
[IC209](DSP) output
[IC203](EPM3128ATC) input
O.K.
Check DATA Signal -4
GU-3613-1(SYSTEM UNIT)
[IC203](EPM3128ATC) output to DAC
44 55pin
[IC221](DAC for S/SW),[IC222](DAC for SL/SR) : input
4 7pin(LRCK=1fs,DATA,BCK=64fs,MCK=256fs
GU-3614(AUDIO UNIT)
[IC311](DAC for MIXL/MIXR),[IC312](DAC for FL/FR) : input
4 7pin(LRCK=1fs,DATA,BCK=64fs,MCK=256fs
O.K.
Check DAC output
GU-3613-1(SYSTEM UNIT)/GU-3614 AUDIO UNIT)
[IC223][IC224][IC301][IC307]:output
O.K.
Check OP AMP output
GU-3613-1(SYSTEM UNIT)/GU-3614 AUDIO UNIT)
[IC227] [IC230]:output:7pin
[IC303][IC304][IC304][IC304]:output:7pin
O.K.
Check AUDIO OUT
w w w
GU-3613-1(SYSTEM UNIT)/GU-3614 AUDIO UNIT)
Check OUTPUT terminal (Each channels)
.
O.K.
END
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Check Soldering. FFC cable
N.G. [CX301]
[CY302]:GU-3618
FFC cable insert condition
N.G. Check Soldering.
FB211 217 IC205
Check Soldering.
N.G.
84pin 1394-
85pin Fs=192/176.4-H other Fs-
87pin
8 pin D.L.-
Check Soldering.
GU-3613-1(SYSTEM UNIT)
N.G.
[IC209]:(DSP RESET)121pin
"H" Level OK? "H" "L" N.G.
[IC209] to [IC210] Signal
[IC202] to [IC209] Signal
[IC210]:(FLASH ROM for DSP)
N.G. Check Soldering.
226,234,231,230,236,229
N.G.
N.G. Check Soldering.
378,384,385,386
N.G. Check Soldering.
CX332,CY332(Connection to AUDIO UNIT)
CX173,CX191 Connection to 1394 PWB
Check Soldering. / Check Supply Voltages.
N.G.
[IC203][IC221][IC311][IC312]
[IC223][IC224][IC301][IC307]
[IC203][IC221][IC311][IC312] 10 14pin control line
Check Soldering.
N.G. Check Power Supply Voltages.
[IC227] [IC230]
[IC303][IC304][IC304][IC304]
Check Soldering.
N.G.
CX061 CY061
MUTE circuit MUTE TR(TR303 308 TR311 322)
x a o u 1 6 3
TR-BASE terminal about -9V (at MUTE off)
y
Check Soldering. Output Jack
i
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8 9
2. GU-3613-1 (SYSTEM UNIT)/GU-3614 (AUDIO UNIT)
(1) CD,DVD-VIDEO/AUDIO,(SACD-SOURCE DIRECT OFF)
GU-3613-1(SYSTEM UNIT)
[CX301]
O.K.
IC203
GU-3613-1(SYSTEM UNIT)
[IC203](EPM3128ATC)
75 256fs ,79(512fs),90(BCK),92
LRCK ,93(TSD0 FL/FR),94(TSD1 SL/SR),
96 TSD2 C/SW ,
97(TSD3 MIXL/MIXR without SACD)pin check
O.K.
IC203
GU-3613-1(SYSTEM UNIT)
[IC203](EPM3128ATC)
21 BCK ,22(LRCK),10(FL/FR),12(C/SW),
13(SL/SR),14(MIXL/MIXR without SACD)
O.K.
DSP
DSP
" " N.G.
page 17
O.K.
-1
GU-3613-1(SYSTEM UNIT)
[IC203](EPM3128ATC) output
[IC209](DSP) input
O.K.
Q Q
-2
3 7 6 3 1 5 1
GU-3613-1(SYSTEM UNIT)
[IC209](DSP) output
86(FL/FR),82(C/SW ,81(SL/SR),80(MIXL/MIXR pin
"H"
O.K.
-3
GU-3613-1(SYSTEM UNIT)
[IC209](DSP) output
[IC203](EPM3128ATC) input
O.K.
-4
GU-3613-1(SYSTEM UNIT)
[IC203](EPM3128ATC) output to DAC
44 55pin
[IC221](DAC for S/SW),[IC222](DAC for SL/SR) : input
4 7pin(LRCK=1fs,DATA,BCK=64fs,MCK=256fs
GU-3614(AUDIO UNIT)
[IC311](DAC for MIXL/MIXR),[IC312](DAC for FL/FR) : input
4 7pin(LRCK=1fs,DATA,BCK=64fs,MCK=256fs
O.K.
DAC
GU-3613-1(SYSTEM UNIT)/GU-3614 AUDIO UNIT)
[IC223][IC224][IC301][IC307]:output
O.K.
OP AMP
GU-3613-1(SYSTEM UNIT)/GU-3614 AUDIO UNIT)
[IC227] [IC230]:output:7pin
[IC303][IC304][IC304][IC304]:output:7pin
O.K.
GU-3613-1(SYSTEM UNIT)/GU-3614 AUDIO UNIT)
ch OUTPUT
c o
.
O.K.
31
2 4 9 8 2
FFC
N.G. [CX301]
[CY302]:GU-3618
FFC
N.G.
FB211 217 IC205
N.G.
84pin 1394-
85pin Fs=192/176.4-H other Fs-
87pin
8 pin D.L.-
GU-3613-1(SYSTEM UNIT)
N.G.
[IC209]:(DSP RESET)121pin
"H" Level OK? "H" "L" N.G.
[IC209],[IC210]
[IC202],[IC209]
[IC210]:(FLASH ROM for DSP)
N.G.
226,234,231,230,236,229
5 0 8 9 2 4 9 8 2
N.G.
N.G.
378,384,385,386
N.G.
CX332,CY332 (AUDIO UNIT )
CX173,CX191 1394 PWB
N.G.
[IC203][IC221][IC311][IC312]
[IC223][IC224][IC301][IC307]
[IC203][IC221][IC311][IC312] 10 14pin
N.G.
[IC227] [IC230]
[IC303][IC304][IC304][IC304]
m
N.G.
CX061 CY061
MUTE MUTE (TR303 308 TR311 322)
BASE -9V (MUTE off )
DVD-3910
9 9
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