CHARTS AND DIAGRAMSCIRCUIT BOARD NOTES
1. Foil and Component sides
NOTES OF SCHEMATIC DIAGRAM4. Voltage measurement1) Foil side (B side) :
1) Regulator (DC/DC CONV) circuitsParts on the foil side seen from foil face (pattern face)
Safety precautionsREC : Colour bar signal.are indicated.
The Components indentified by the symbol!arePB : Alignment tape (Colour bar).2) Component side (A side) :
critical for safety. For continued safety, replace safety?: Unmeasurable or unnecessary to measure.Parts on the component side seen from component face
critical components only with manufacturer's recom-2) Indication on schematic diagram(parts face) indicated.
mended parts.Voltage indications for REC and PB mode on the sche-
rts location are indicated by guide scale on the circuit board.
matic diagram are as shown below.
2. Parts location guides
1. Units of components on the schematic diagram
Parts location are indicated by guide scale on the circuit board.
Unless otherwise specified.
123
1) All resistance values are in ohm. 1/6 W, 1/8 W (refer to
REC mode2.51.8LOCATION
parts list).(5.0)REF No.
Chip resistors are 1/16 W.ICCategory : IC
PB and REC modes
K: K&(1000&), M: M& (1000K&)(Voltage of PB and REC modesIC101 B C6 A
PB mode
are the same)
2) All capacitance values are in ?F, (P: PF).B : Foil side
(A : Component side)Horizontal ?A? zone
3) All inductance values are in ?H, (m: mH).
Note: If the voltages are not indicated on the schematic
4) All diodes are 1SS133, MA165 or 1N4148M (refer to partsC : Chip componentVertical ?6? zone
list).diagram, refer to the voltage charts.D : Discrete component)
Note: The Parts Number, value and rated voltage etc. in
the Schematic Diagram are for references only. 6. Indication of the parts for adjustments
Note: For general information in service manual, please
When replacing the parts, refer to the Parts List.The parts for the adjustments are surrounded with the circlerefer to the Service Manual of GENERAL INFORMA-
as shown below.TION Edition 4 No. 82054D (January 1994).
2. Indications of control voltage
AUX : Active at high.
AUX or AUX(L) : Active at low.
3. Interpreting Connector indications
7. Indication of the parts not mounted on the circuit board
1
2Removable connector?OPEN? is indicated by the parts not mounted on the circuit
3board.
R216
1
2Wire soldered directly on board
3OPEN
1
2Non-removable Board connector
3
1
2
Board to Board
3
4
Connected pattern on board
The arrows indicate signal path
Note: For the destination of each signal and further line
connections that are cut off from the diagram,
refer to "BOARD INTERCONNECTIONS"
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