– 7 –
r
Waveforms –MAIN SECTION (2/2) –
Note on Schematic Diagram: MAIN SECTION (2/2)
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
Note: The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
•
: B+ Line.
• Power voltage is dc 9V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signa conditions.
no mark :CD PLAY
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J
: CD
1
IC701
rj
RF
2
VOLT/DIV : 0.5 V AC
TIME/DIV : 0.5
µ
sec
IC702
y;
XOUT
VOLT/DIV : 0.5 V AC
TIME/DIV : 20 nsec
1.5–2.0Vp-p
1.7Vp-p
16.9MHz
D
LEVEL SHIFT
27
28
26
25
24
23
2
1
3
4
5
6
7
8
9
10
11
12
13
14
LEVEL SHIFT
T. S. D.
REGULATOR, BIAS,
T. S. D. MONITOR
D
D
18
17
16
15
LEVEL SHIFT
D
22
D
D
LEVEL SHIFT
D
D
DRIVER
MUTE
VCC
21
20
19
VCC
GND
SL
–
SL+
SLIN
NC
VREF
VCC
VCC
NC
SPIN
SP+
SP
–
NC
OP I
F+
F–
FIN
RESET
REG I
REGO
MUTE
GND
NC
TIN
T+
T
–
GND
OP O
z
IC BLOCK DIAGRAM
IC703 BA6898FP
