Read Sony CDX-838 Service Manual online
27
27
• Waveforms
– RF Board –
– RF Board –
1
IC11
ed
(RF O) (CD PLAY)
500 mV/DIV, 500 ns/DIV
2
IC11
2
(FEI) (CD PLAY)
50 mV/DIV, 1
µ
s/DIV
3
IC11
rj
(TEI) (CD PLAY)
200 mV/DIV, 500
µ
s/DIV
1.4 Vp-p
Approx.
110 mVp-p
110 mVp-p
Approx.
280 mVp-p
280 mVp-p
– MAIN Board (1/3) –
1
IC101
wj
(MDP) (CD PLAY)
2
IC101
eh
(V16M)
3
IC101
rl
(WDCK)
4
IC101
t;
(LRCK)
5
IC101
tf
(BCKO)
6.8 Vp-p
120 ns
6.6 Vp-p
11.4
µ
s
6.6 Vp-p
22.7
µ
s
6.6 Vp-p
472 ns
7
IC101
u;
(C4M)
8
IC101
uf
(WFCK)
9
IC101
il
(XTAI)
q;
IC201
ea
(EXTAL)
6
IC101
ys
(RFCK)
5.7 Vp-p
137
µ
s
6.6 Vp-p
236 ns
5.5 Vp-p
137
µ
s
3.3 Vp-p
59.2 ns
3.2 Vp-p
125 ns
2.5 Vp-p
7.6
µ
s
– MAIN Board (2/3) –
qa
IC603
4
qs
IC601
4
(XTO)
qd
IC601
7
(BCK)
qf
IC601
9
(LRCK)
4.7 Vp-p
59.2 ns
6.4 Vp-p
59.2 ns
7.4 Vp-p
472 ns
7.4 Vp-p
22.7
µ
s
– MAIN Board (3/3) –
qg
IC401
ql
(LRCK)
qh
IC401
qj
(BCK)
qj
IC401
qd
(WDCI)
qk
IC401
qs
(LRCI)
ql
IC401
9
(BCKI)
wa
IC401
5
(C4M)
ws
IC401
3
, IC501
uj
(WFCK)
wd
IC403
1
wf
IC501
wl
(EXTAL)
w;
IC401
7
(RFCK)
6.2 Vp-p
22.7
µ
s
6.2 Vp-p
472 ns
7.7 Vp-p
11.4
µ
s
6.6 Vp-p
22.7
µ
s
6.6 Vp-p
472 ns
5.7 Vp-p
137
µ
s
6.6 Vp-p
236 ns
5.5 Vp-p
137
µ
s
6.6 Vp-p
11.4
µ
s
3.2 Vp-p
100 ns
Click on the first or last page to see other CDX-838 service manuals if exist.