HCD-HP7
YWaveforms
THIS NOTE IS COMMON FOR PRINTED WIRINGFor printed wiring boards.
� BD Board �� PANEL Board �� MAIN Board �
BOARDS AND SCHEMATIC DIAGRAMS.Note:
(In addition to this, the necessary note is printedY X : parts extracted from the component side.
Y Y : parts extracted from the conductor side.1 IC721 4 (RF)7 Q207 collector(REC Mode)
in each block.)5 IC601 qd (XT2)
Yf: internal component. (CD Play Mode)
Y: Pattern from the side which enables seeing.
For schematic diagrams.
Note:
Y All capacitors are in ?F unless otherwise noted. pF: ??FCaution:
50 WV or less are not indicated except for electrolyticsPattern face side: Parts on the pattern face side seen from12 Vp-p
1.3 Vp-p3.4Vp-p
and tantalums.(Conductor Side)the pattern face are indicated.13 ?s
1V/DIV,
130.5 ?s
Y All resistors are in & and /4 W or less unless otherwiseParts face side:Parts on the parts face side seen from200 mV/DIV, 400 ns/DIV10 ?s/DIV5V/DIV, 4 ?s/DIV
specified.(Component Side) the parts face are indicated.
2 IC721 qd (FE)
Yf: internal component.6 IC601 qh (CF2)
(CD Play Mode)
Y 2 : nonflammable resistor.Y Indication of transistor
Y 1 : fusible resistor.
Y C : panel designation.
C
Note:Note:
QThese are omitted.180 mVp-p
The components identi-Les composants identifiŽs par3Vp-p
1V/DIV,
fied by mark 0 or dottedune marque 0 sont critiquesBE100 mV/DIV, 1 ms/DIV40 ns/DIV125 ns
line with mark 0 are criti-pour la sŽcuritŽ.
3 IC721 qg (TE)
cal for safety.Ne les remplacer que par une
(CD Play Mode)
Replace only with partpiŽce portant le numŽro
number specified.spŽcifiŽ.Q
Y A : B+ Line.
BCE
Y B : B� Line.
YV oltages and waveforms are dc with respect to ground150 mVp-pThese are omitted.
under no-signal (detuned) conditions.100 mV/DIV, 1 ms/DIV
: Impossible to measure
YV oltages are taken with a VOM (Input impedance 10 M&).4 IC721 rk (XOUT)
Voltage variations may be noted due to normal produc-Q (CD Play Mode)
tion tolerances.
YW aveforms are taken with a oscilloscope.
BCE
YW aveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-These are omitted.
tion tolerances.
59 ns4 Vp-p
Y Circled numbers refer to waveforms.1 V/DIV, 20 ns/DIV
Y Signal path.
F: TUNER
J: CD
L : MDC
E: PB (TAPE)
a : REC (TAPE)BEThese are omitted.
c : DIGITAL OUT
YA bbreviation
AUS: Australian model.
CND : Canadian model.
E2: 120 V AC area in E model.
E3: 220-240 V AC area in E model.
KR: Korean model.
MX: Mexican model.
RU: Russian model.
TH: Thai model.
TW: Taiwan model.
2727 |
ACEC
