CDC-R504MP/X504MP
3-6. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS3-7. WAVEFORMS
THIS NOTE IS COMMON FOR PRINTED WIRINGN Servo Board N
BOARDS AND SCHEMATIC DIAGRAMS.N Main Board N
(MODE: CD PLAY)
(In addition to this, the necessary note is printed
1
in each block.)1
2.2Vp-p
For schematic diagrams.For printed wiring boards.0V
Note:Note:
Y All capacitors are in ?F unless otherwise noted. pF: ??FY X : parts extracted from the component side.
Approx. 100mVp-p27MHz
50 WV or less are not indicated except for electrolyticsY Y : parts extracted from the conductor side.
IC3 wa (TEI)IC501 qs (OSCOUT)
and tantalums.Ya: Through hole.
Y All resistors are in & and 1/4W or less unless otherwiseY: Pattern from the side which enables seeing.2
2
specified.(The other layers' patterns are not indicated.)
Yf: internal component.1.8Vp-p
0V
Y C : panel designation.Caution:
Pattern face side: Parts on the pattern face side seen from the
Note:Note:(Side B)pattern face are indicated.32.768kHz
Approx. 100mVp-p
The components identi-Les composants identifiŽs parParts face side: Parts on the parts face side seen from theIC3 wd (FEI)IC501 qg (XIN)
fied by mark 0 or dottedune marque 0 sont critiques (Side A)parts face are indicated.
line with mark 0 are criti-pour la sŽcuritŽ.33
cal for safety.Ne les remplacer que par une
Replace only with partpiŽce portant le numŽroApprox.0.9Vp-p
C
number specified.spŽcifiŽ.150mVp-p
Q
These are omitted
Y A : B+ Line.
Y B : B� Line.B EIC3 wh (A), wk (C)IC51 q; (XTO)
Y H : adjustment for repair.
YVoltages and waveforms are dc with respect to ground4
under no-signal (detuned) conditions.
Y CD mechanism sectionApprox.
150mVp-p
no mark : CD PLAYBEC
Y Main (1/2), (2/2) and Display sections
These are omitted
no mark : FM
IC3 wj (B), wl (D)
() AM:
<> :CD PLA Y5
?: Impossible to measure
E CB
YVoltages are taken with a VOM (Input impedance 10 M&).Approx.
These are omitted
Voltage variations may be noted due to normal produc-0.8Vp-p
tion tolerances.
YWaveforms are taken with a oscilloscope.Y Abbreviation
Voltage variations may be noted due to normal produc-CND : Canadian model.IC3 ra (RFACO)
tion tolerances.
Y Circled numbers refer to waveforms.6
Y Signal path.
2Vp-p
J: CD PLAY
F: FM
f: AM/MW/LW
16.9344MHz
a : AUX
IC3 uj (XTAO)
Y Abbreviation
CND : Canadian model.7
1Vp-p
18.43MHz
IC4 ia (X1)
2222 |
ACEC
