Sony CDX-T70MX (serv.man2) Service Manual ▷ View online
CDX-T70MX
29
29
1.4
+0.3
Vp-p
–0.4
Approx.
100 mVp-p
100 mVp-p
Approx.
250 mVp-p
250 mVp-p
3.3 Vp-p
22.7
µ
s
3.3 Vp-p
472 ns
2.2 Vp-p
81.4 ns
• Waveforms
– RF Board –
– RF Board –
1
IC101
qg
(RFAC)
2
IC101
qh
(FE)
3
IC101
qk
(TE)
– MAIN Board –
1
IC301
yg
(EXTAL)
2
IC601
qd
(BCKIA)
3
IC601
qf
(LRCKIA)
4
IC601
ys
(X1)
3.3 Vp-p
59.1 ns
5
IC501
1
(BCK)
6
IC501
3
(LRCK)
7
IC501
qh
(SCK)
8
IC401
rd
(MDP)
9
IC401
ih
(LRCK)
0
IC401
o;
(BCK)
qa
IC401
of
(XTAO)
3.3 Vp-p
472 ns
3.3 Vp-p
22.7
µ
s
3.3 Vp-p
59.1 ns
2 Vp-p
3.8
µ
s
3.3 Vp-p
22.7
µ
s
3.3 Vp-p
472 ns
3.3 Vp-p
59.1 ns
CDX-T70MX
30
30
CN902
1
10
JACK BOARD
(CONDUCTOR SIDE)
13
1-683-528-
11
B
JACK FLEXIBLE
BOARD
MAIN BOARD
CN201
(CHASSIS)
5
4
8
7
6
2
1
3
(FOR SONY BUS)
(R)
(L)
(11)
1-683-528-
11
(11)
JACK BOARD
(COMPONENT SIDE)
5-12.
PRINTED WIRING BOARDS – JACK Board –
(Page 24)
31
CDX-T70MX
5-13.
SCHEMATIC DIAGRAM – JACK Board –
FB902
FB901
FB903
CN902
CN901
PS901
10P
13P
5A
24V
CLK
RST
DATA
BUSON
GND
GND
GND
B.UP
B.UP
B.UP
LCH
AGND
RCH
CLK
RST
DATA
BUSON
GND
GND
B.UP
LCH
AGND
RCH
FLEXIBLE
BOARD
JACK
(CHASSIS)
(L)
(R)
MAIN
BOARD
(1/3)
CN201
(Page 26)
32
CDX-T70MX
RW/ROM
RW/ROM
EQ ON/OFF
VOFST
VOFST
DVC
VC
VC
VC
RW/ROM
VC
DVC
30
29
28
+
–
+
–
DVC
VCC
DVC
27
26
25
24
RW/ROM
EQ
23
22
21
20
19
RFAC
VCA
VCC
+
–
DVC
+
–
+
–
RW/ROM
VC
RW/ROM
DVC
+
–
3
A
B
C
D
B
C
C
A
A
A
B
C
C
D
B
C D
D
+
–
1
2
APC AMP
5
6
7
8
9
4
RFAC
SUMMING
AMP
RW/ROM
APC-OFF
(Hi-Z)
RW/ROM
(H/L)
VOFST
VC
RW/ROM
+
–
10
11
GM
GM
18
17
16
B
D
A
C
13
14
15
12
EQ IN
LD
PD
GND
A
B
C
D
AC SUM
E
F
DVCC
DVC
RFAC
SW
DC OFST
RFDCI
RFDCO
VC
RFC
VFC
BST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE
• IC Block Diagrams
– RF Board –
– RF Board –
IC101
CXA2581N-T4
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