Download HCD-HP8V

HCD-HP8V
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the 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.
• All resistors are in Ω and 1/4 W or less unless otherwise
specified.
f
: internal component.
•
• 2 : nonflammable resistor.
• 1 : fusible resistor.
• C : panel designation.
• Waveforms
– BD Board –
For printed wiring boards.
Note:
• X
• Y
f
•
•
: parts extracted from the component side.
: parts extracted from the conductor side.
: internal component.
: Pattern from the side which enables seeing.
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
1 IC103 qg (RFAC)
– PANEL Board –
– VMP Board –
8 IC505 <zb/ (XTAO)
5 IC601 qd (XT2)
(CD Play Mode)
Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
1.05 ± 0.3 Vp-p
200 mV/DIV, 400 ns/DIV
2 IC103 qh (FE)
30.5 µs
3.4Vp-p
1V/DIV,
10 µs/DIV
3.8 Vp-p
29.5 ns
1V/DIV, 20ns/DIV
9 IC505 <x/m (CLKB)
6 IC601 qh (CF2)
(CD Play Mode)
• Indication of transistor
C
Note :
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
Q
These are omitted.
Approx. 250 mVp-p
100 mV/DIV, 20 µs/DIV
B E
3 IC103 qk (TE)
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
∗ : Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production tolerances.
• Waveforms are taken with a oscilloscope.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F : TUNER
J : CD
h : MD
L : VIDEO
E : PB (TAPE)
a : REC (TAPE)
c : DIGITAL OUT
• Abbreviation
E3
: 220-240 V AC area in E model.
EA
: Saudi Arabia model.
SP
: Singapore model.
TH
: Thai model.
(CD Play Mode)
Q
B C
2.9 Vp-p
1V/DIV,
40 ns/DIV 125 ns
3Vp-p
– MAIN Board –
7 Q207 collector(REC Mode)
E
Approx. 350 mVp-p
These are omitted.
100 mV/DIV, 20 µs/DIV
4 IC103 wk (RFDCO)
(CD Play Mode)
Q
B
C
E
These are omitted.
0.75 ± 0.1 Vp-p
200 mV/DIV, 400 ns/DIV
C
B
E
These are omitted.
29
29
12 Vp-p
13 µs
5V/DIV, 4 µs/DIV
37 ns
1V/DIV, 20ns/DIV