CDX-F7710
3-4. CIRCUIT BOARDS LOCATIONY NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
SERVO boardin each block.)
SENSOR board
For schematic diagrams.For printed wiring boards.
SPEAKER board
Note:Note:
Y All capacitors are in ?F unless otherwise noted. (p: pF)Y X : parts extracted from the component side.
50 WV or less are not indicated except for electrolyticsY Y : parts extracted from the conductor side.
and tantalums.Ya: Through hole.
Y All resistors are in & and 1/4W or less unless otherwiseY: Pattern from the side which enables seeing.
specified.(The other layers' patterns are not indicated.)
Yf: internal component.
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.
tuner unitThe components identi-Les composants identifiŽs parParts face side: Parts on the parts face side seen from the
(TUX501)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.
cal for safety.Ne les remplacer que par une
MAIN boardReplace only with partpiŽce portant le numŽro
C
DISPLAY boardnumber specified.spŽcifiŽ.
RELAY boardQThese are omitted
Y A : B+ Line.
Y B : B� Line.B E
Y H : adjustment for repair.
YVoltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
Y CD mechanism section (1/2), (2/2)
no mark : CD PLAY
Y WAVEFORMSBEC
Y Main (1/4), (2/4), (3/4), (4/4) and Display sections
These are omitted
no mark : FM
N SERVO BOARD N() AM:
(CD PLAY)<> :CD PLA Y
?: Impossible to measure
E CB
YVoltages are taken with a VOM (Input impedance 10 M&).
1 IC2 4 (FEI)4 IC2 uj (RFI)7 IC3 ia (X1)Voltage variations may be noted due to normal produc-These are omitted
tion tolerances.
YWaveforms are taken with a oscilloscope.
Approx.Voltage variations may be noted due to normal produc-
0 V1Vp-p1.1 Vp-ption tolerances.
Y Circled numbers refer to waveforms.
Approx. 100 mVp-pY Signal path.
12 MHzJ: CD PLAY
F: FM
50 mV/DIV, 5 msec/DIV0.5 V/DIV, 0.5 ?sec/DIV0.5 V/DIV, 0.2 ?sec/DIVf: AM
L : BUS AUDIO
2 IC2 6 (TEI)5 IC2 of (FNI2),og (FNI1)
N MAIN BOARD NN DISPLAY BOARD N
0 V2 IC303 uk (X1)1 IC901 qs (X1)
1.5 Vp-p
Approx. 400 mVp-p
0.7 Vp-p0.6 Vp-p
200 mV/DIV, 5 msec/DIV0.5 V/DIV, 0.5 ?sec/DIV
32.768 kHz5 MHz
3 IC2 wd (XI)6 IC2 oh (FPI2),oj (FPI1)
0.2 V/DIV, 20 ?sec/DIV0.2 V/DIV, 0.2 ?sec/DIV
0.6 Vp-p1.5 Vp-p3 IC303 i;(X0)
16.9344 MHz
1.1 Vp-p
0.2 V/DIV, 0.2 ?sec/DIV0.5 V/DIV, 0.5 ?sec/DIV
18.432 MHz
0.5 V/DIV, 0.1 ?sec/DIV
CDX-F7710
1616 |
ACEC
