FV-DB1E
AudioFVService ManualFVMarketE --DDBB11EE
CHAPTER 5. CIRCUIT DESCRIPTION
[1] Notes on schematic diagram
?Resistor:? Schematic diagram and Wiring Side of P.W.Board for this model are
To differentiate the units of resistors, such symbol as K and M aresubject to change for improvement without prior notice.
used: the symbol K means 1000 ohm and the symbol M means
? The indicated voltage in each section is the one measured by Digi-
1000 kohm and the resistor without any symbol is ohm-type resis-
tal Multimeter between such a section and the chassis with no sig-
tor. Besides, the one with ?Fusible? is a fuse type.
nal given.
? Capacitor:
1. In the tuner section,
To indicate the unit of capacitor, a symbol P is used: this symbol P
indicates AM
means pico-farad and the unit of the capacitor without such a sym-
indicates FM stereo
bol is microfarad. As to electrolytic capacitor, the expression
?capacitance/withstand voltage? is used.
? Parts marked with ?? () are important for main-
(CH), (TH), (RH), (UJ): Temperature compensation
taining the safety of the set. Be sure to replace these parts with
(ML): Mylar type
specified ones for maintaining the safety and performance of the
(P.P.): Polypropylene type
set.
REF NO.DESCRIPTIONPOSITION
REF NO.DESCRIPTIONPOSITION
SW410ENTERON-OFF
SW401BANDON-OFF
SW411SOUNDON-OFF
SW402INFOON-OFF
SW403AUTO TUNEON-OFFSW413TUNING UPON-OFF
SW414VOLUME UPON-OFF
SW404PRESET SELECTON-OFF
SW415VOLUME DOWNON-OFF
SW405PRESET 5ON-OFF
SW416TUNING DOWNON-OFF
SW406PRESET 4ON-OFF
SW417CLOCKON-OFF
SW407PRESET 3ON-OFF
SW418MENUON-OFF
SW408PRESET 2ON-OFF
SW701ON/STAND-BYON-OFF
SW409PRESET 1ON-OFF
[2] Types of transistor and LED
FRONTFRONT
VIEWBVIEW
(3)
TOPC
VIEW(2)
E
(1)
ECB
(S)(G)(D)
(1)(2)(3)
2SC562 C2SC5477LP3052AU
KRC107 MKTC3875 GRLPBB73VQ
KTA1266 GR
KTC3199 GR
5 - 1 |
ACEC
