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CDX-646 Operating Instructions (English,Español,...
Service manual
Ic Block Diagrams - Sony CDX-646 Service Manual
Compact disc changer
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Also See for CDX-646
:
Service manual
(42 pages)
,
Operating instructions
(3 pages)
,
Limited warranty
(1 page)
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• IC Block Diagrams
– RF Board –
IC101 CXA2596M-T6
HOLD
1
AGCVTH
2
APC LD
LD
3
AMP
APC PD
PD
4
AMP
AGC
COMPARATOR
A
5
B
6
RF SUMMING
C
7
AMP
D
8
FOCUS ERROR
VEE
9
AMP
F
10
F I-V AMP
E
11
E I-V AMP
VCC
VC
12
VEE
IC201 LA6576L-TE-L
FWD
1
INPUT
2
REV
3
VCC2
4
VLO–
VLO+
5
VO4+
6
VO4–
7
VO3+
8
VO3–
9
VO2+
10
VO2–
11
VO1+
12
VO1–
13
VCC1
14
15
VIN1
VIN1–A
16
AMP-A
–
+
VIN1+A
17
VIN1–B
18
–
AMP-B
+
28
24 VCC
23
LC/PD
22
LD ON
21
HOLD SW
20
AGCCONT
19
RF BOT
18
RFTC
COMPARATOR
17
RF I
RF EQ
16
RFO
AMP
15
RFE
14
FE
TRACKING
13
TE
ERROR
AMP
THERMAL SHUT DOWN
OUTPUT
CONTROL
LEVEL
SHIFT
LEVEL
SHIFT
5VREG
+
–
–
+
LEVEL
SHIFT
LEVEL
SHIFT
–
+
36
S-GND
CH2-4
35
MUTE2
MUTE
CH1
34
MUTE1
MUTE
33
VIN4
32
VIN4–
31
VIN4+
30
VREF-IN
VIN1/VREF
29
VIN1 (VREF)-SW
SWITCH
28
VREF-OUT (CH1)
27
REG-OUT
REG-IN
26
25
VIN3+
+
–
24
VIN3–
23
VIN3
22
VIN2+
+
–
21
VIN2–
20
VIN2
19
VIN1+B
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