Sony HCD-D390 - Compact Audio And Video System Service Manual page 29

THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
1
• All resistors are in and / W or less unless otherwise
4
specified.
• % : indicates tolerance.
¢
• : internal component.
• 2 : nonflammable resistor.
• 1 : fusible resistor.
• C : panel designation.
Note:
Note:
Les composants identifiés par
The components identi-
fied by mark ! or dotted une marque ! sont critiques
line with mark ! are criti- pour la sécurité.
cal for safety. Ne les remplacer que par une
piéce portant le numéro
Replace only with part
spécifié.
number specified.
• U : B+ Line.
• V : B– Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages are taken with a VOM (Input impedance 10 M ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
g : VIDEO/MD
E
: PB (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
J
: CD
I : PHONO
• Abbreviation
CND : Canadian
EE : East European
AUS : Australian
AR : Argentine
MX : Mexican
SAF : South African
For printed wiring boards.
Note:
• X : parts extracted from the component side.
• ®
: Through hole.
¢
• : internal component.
• b : Pattern from the side which enables seeing.
— 33 —
WAVEFORM
– BD SECTION –
1
5
IC101 #£ (PLAY MODE) IC103 ^º (XPCK)
Approx. 1.3Vp-p
230 nsec
2 6
IC101 2 (FEI)
IC103 ^™ (RFCK)
(PLAY MODE)
Approx. 0.1Vp-p
135.5 sec
3 7
IC103 &¢ (WFCK)
IC101 $¶ (TEI)
(PLAY MODE)
Approx. 0.1Vp-p
135.5 sec
8
4
IC103 @¶ (MDP) IC103 *ª (XTAI)
2.4Vp-p
16.9344MHz
7.6 sec
HCD-D390/D790/G5500/XB33/XB44/XB50/XB60
– PANEL SECTION –
9
IC601 8 (X-OUT)
6.4 Vp-p
8MHz
4.2Vp-p
– MAIN SECTION –
4.8Vp-p
!º
IC301 !º (X2)
4.8Vp-p
5.7Vp-p
5MHz
!¡
IC301 !¢ (XT1)
4.8Vp-p 3.3Vp-p
32.768kHz
– TUNER SECTION –
!™
IC21 @¢ (X-OUT)
4.2Vp-p
4.5MHz
!£
IC1752 !¢ (OEC O)
2Vp-p
4.332MHz
— 34 —