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HTC-WX5
14
14
SECTION 6
DIAGRAMS
6-1. CIRCUIT BOARDS LOCATION
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.
•
¢
: internal component.
•
1
: fusible resistor.
•
C
: panel designation.
For printed wiring boards.
Note:
•
X
: parts extracted from the component side.
•
p
: parts mounted on the conductor side.
•
®
: Through hole.
•
b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
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
Ω
).
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
IC103
@¶
MDP
1
2
3
4
5
IC101
#£
RFO
IC101
2
FEI
IC101
$¶
TEI
IC103
^™
RFCK
6
IC103
^º
XPCK
7
IC103
&¢
WFCK
IC103
*ª
XTAI
8
500mV/DIV, 500nsec/DIV
1.3Vp-p
200mV/DIV, 1
µ
sec/DIV
0.5Vp-p
50mV/DIV, 1msec/DIV
0.2Vp-p
7.8
µ
sec
2.5Vp-p
230
µ
sec
5Vp-p
135
µ
sec
5Vp-p
135
µ
sec
5Vp-p
16.9344MHz
2.6Vp-p
9
IC101
0
X2
5MHz
5.5Vp-p
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
• Indication of transistor
C
These are omitted
E
B
Q
C
These are omitted
E
B
MAIN board
REGULATOR board
TC (A) board
TC LED board
TC (B) board
TC (P) board
CD (P) board
AUDIO board
LEAF SW board
SENSOR board
CONNECTOR board
BD board
MOTOR (SLIDE) board
MOTOR (TURN) board
• Waveform
CD SECTION
MAIN (2/2) SECTION
Содержание HTC-WX5
Страница 21: ...HTC WX5 21 21 6 6 PRINTED WIRING BOARD DECK SECTION Refer to page 14 for Circuit Boards Location Page 22 ...
Страница 27: ...HTC WX5 27 27 6 13 SCHEMATIC DIAGRAM PANEL SECTION Page 24 Page 24 Page 24 ...
Страница 28: ...HTC WX5 28 28 6 14 SCHEMATIC DIAGRAM CD MOTOR SECTION Refer to page 31 for IC Block Diagrams Page 23 Page 23 ...