Diagrams - Sony RMR-K100 Service Manual

• Circuit Boards Location
FRONT DISPLAY board
RMR-K100
SECTION 2

DIAGRAMS

COMM LEFT board
SPEAKER board
COMM RIGHT board
BOTTOM SUPPLY board
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics and
tantalums.
• All resistors are in Ω and
1 / W or less unless otherwise
4
specified.
• C : panel designation.
• A : B+ Line.
• Power voltage is dc 12 V and fed with regulated dc power
supply from connector (CN500).
• Voltages and waveforms are dc with respect to ground un-
der no-signal (detuned) conditions.
no mark : Power ON
• 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.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: AUDIO
• Waveform
1
IC300 is (XO)
62.5ns
3.0Vp-p
1V/DIV, 40ns/DIV
5 5
RMR-K100
Note on Printed Wiring Board:
• Y : parts extracted from the conductor side.
• : Pattern from the side which enables seeing.
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