Sony HCD-GRX5 Service Manual page 23

THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in and 1 / W or less unless otherwise
4
specified.
• : internal component.
¢
• C : panel designation.
Note: Note:
The components identi- Les composants identifiés par
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
Replace only with part piéce portant le numéro
number specified. spécifié.
• 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.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: AM
E
: PB (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
J : CD
c : digital out
• Abbreviation
AUS : Australian model.
CND : Canadian model.
E2 : 120 V AC Area in E model.
E3 : 240 V AC Area in E model.
EA3 : Saudi Arabia model.
EA4 : Israel model.
HK : Hong Kong model.
IA : Indonesian model.
MX : Mexican model.
MY : Malaysia model.
SAF : South African model.
SP : Singapore model.
TH : Thai model.
TW : Taiwan model.
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• : parts mounted on the conductor side.
p
• ® : Through hole.
• b : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen from
(Side B) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Side A) the parts face are indicated.
• Indication of transistor.
C
Q
These are omitted.
B E
Q
B C E
These are omitted.
– 27 –
• Waveforms
– BD Section –
1 IC101 #£ (RF O) (PLAY MODE) 6 IC103 ^™ (RFCK)
1.3 Vp-p
2 IC101 2 (FEI) (PLAY MODE) 7 IC103 &¢ (WFCK)
0.5 Vp-p
3 IC101 $¶ (TEI) (PLAY MODE) 8 IC103 *ª (XTAI)
0.2 Vp-p
4 IC103 @¶ (MDP)
2.5 Vp-p
7.8 s
5 IC103 ^º (XPCK)
5 Vp-p
230 s
– MAIN Section –
1 IC501 !¡ (X1)
5 Vp-p
135 s
200 ns
2 IC501 !¢ (XT1)
5 Vp-p
135 s
30.6 s
– PANEL Section –
3 IC601 9 (X-IN)
2.6 Vp-p
16.9344 MHz
126 ns
– 28 –
4.4 Vp-p
2.2 Vp-p
3.6 Vp-p