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Q Q
• Waveforms
3 7 6 3 1 5 1 5 0
– RF Board –
– MAIN Board –
1 IC101 qh (RFO) (CD play mode)
1 IC101 uj (LRCK), uk (LRCKI)
(CD play mode)
1.4 ± 0.3
Vp-p
2 IC101 qf (FE) (CD play mode)
2 IC101 ia (BCK), is (BCKI)
(CD play mode)
Apporx.
63 mVp-p
470 ns
3 IC101 qd (TE) (CD play mode)
3 IC101 ih (XTAI) (CD play mode)
T E
L
1 3 9 4 2 2 9 6 5 1 3
Approx.
63 mVp-p
60 ns
4 IC101 wf (SCOR),
IC201 is (SCOR) (CD play mode)
5 IC201 ra (EXTAL) (CD play mode)
w w w
– FM Board –
1 IC701 8 (38K) (CD play mode)
5.6 Vp-p
26.3 µs
22.8 µs
2 IC781 1 (XOUT) (CD play mode)
5.7 Vp-p
139 ns
3 IC781 qa (FMIN) (CD play mode)
4.1 Vp-p
11.3 ns
5 Vp-p
13.4 ms
4.4 Vp-p
x
a o
.
i
83 ns
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• IC Block Diagrams
– RF Board –
IC101 CXA2596M-T6
HOLD
1
AGCVTH
2
4.1 Vp-p
APC LD
LD
3
AMP
APC PD
PD
4
AMP
AGC
COMPARATOR
A
5
B
6
RF SUMMING
C
7
AMP
2.9 Vp-p
D
8
FOCUS ERROR
VEE
9
AMP
F
10
F I-V AMP
E
11
E I-V AMP
VCC
VC
12
VEE
Q
Q
3
7
6
240 mVp-p
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
u 1 6 3
y
VIN1–A
16
AMP-A
+
VIN1+A
17
VIN1–B
18
AMP-B
+
32
32
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2
4
8
9
9
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
3
1
5
1
5
0
8
9
S-GND
36
THERMAL SHUT DOWN
CH2-4
35
MUTE2
MUTE
CH1
34
MUTE1
MUTE
OUTPUT
33
VIN4
CONTROL
32
VIN4–
31
VIN4+
LEVEL
SHIFT
30
VREF-IN
VIN1/VREF
29
VIN1 (VREF)-SW
SWITCH
LEVEL
28
VREF-OUT (CH1)
SHIFT
5VREG
+
27
REG-OUT
+
26
REG-IN
25
VIN3+
+
LEVEL
24
VIN3–
SHIFT
23
VIN3
22
VIN2+
+
LEVEL
SHIFT
21
VIN2–
m
20
VIN2
19
VIN1+B
+
c o
.
2
8
9
9
2
4
9
8
2
9
9

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