— 5 —
— 5 —
SECTION 3
DIAGRAMS
3-1. CIRCUIT BOARDS LOCATION
NOTE
•
: parts extracted from the component side.
•
: Pattern from the side which enable seeing.
NOTE
• All capacitors are in
µ
F unless otherwise noted. pF :
µµ
F
50WV or less are not indicated except for electrolytics and
tantalums.
• All resistors are in
Ω
and 1/4W or less unless otherwise speci-
fied.
•
¢
: internal component.
•
: nonflammable resistor.
•
: panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS
AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each
block.)
— 6 —
MAIN SECTION
1
5.2Vp-p
3-2. WAVEFORMS
8MHz
T-2 board
T-1 board
POWER board
REAR SP board
MAIN board
VR board
DISPLAY board
H.P board
IC202
@¢
2
IC401
#¢
X1
4.2Vp-p
5MHz
PANEL SECTION
Note:
The components identi-fied by mark
!
or dotted line with mark
!
are critical for safety.
Replace only with part number specified.
•
B+
: B+ Line
•
B–
: B– Line
• Voltage and waveforms are dc with respect to ground under no-
signal conditions.
no mark : STOP
• Voltages are taken with a VOM (Input impedance 10M
Ω
).
Voltage variations may be noted due to normal production toler-
ances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production toler-
ances.
• Circled numbers refer to waveforms.
• Signal path.
: FM