Toshiba SD-9100 1. CIRCUIT SYMBOLS AND SUPPLEMENTARY EXPLANATION, 1-1.Precautions for Part Replacement, 1-2.Solid Resistor Indication, 1-3.Capacitance Indication, 3 SECTION

SECTION 3

SERVICING DIAGRAMS

1. CIRCUIT SYMBOLS AND SUPPLEMENTARY EXPLANATION

1-1. Precautions for Part Replacement

• In the schematic diagram, parts marked	(ex.	• Using the parts other than those specified shall violate
F801) are critical part to meet the safety regulations,		the regulations, and may cause troubles such as
so always use the parts bearing specified part codes		operation failures, fire etc.
(SN) when replacing them.

1-2. Solid Resistor Indication

Unit	None ...........	Ω	Eg. 1
	K	kΩ
	M ...........	MΩ
Tolerance	None ...........	±5%
	B ...........	±0.1%			100k
	C ...........	±0.25%
	D ...........	±0.5%
	F ...........	±1%
	G ...........	±2%		Rated Wattage	Type Tolerance
	K ...........	±10%
	...........M	±20%		Fig. 3-1-1
Rated Wattage	(1) Chip Parts
	None .........	1/16W
	(2) Other Parts
	None .........	1/6W
	Other than above, described in the Circuit Diagram.
Type	None ...........	Carbon film
	S ...........	Solid
	R ...........	Oxide metal film
	W ...........	Metal film
	W ...........	Cement
	FR ...........	Fusible

1-3. Capacitance Indication

Symbol		+			Electrolytic, Special electrolytic
			NP		........... Non polarity electrolytic
					Ceramic, plastic
			M		........... Film
					Trimmer
Unit	None				........... F
	μ				........... μF
	p				........... pF
Rated voltage	None				........... 50V
	For other than 50V and electrolytic capacitors,
	described in the Circuit Diagram.
Tolerance	(1) Ceramic, plastic, and film capacitors of which
			capacitance are more than 10 pF.
	None				........... ±5% or more
	B			±0.1%...........
	C			±0.25%...........
	D			±0.5%...........
	F			±1%...........
	G			±2%...........
	(2) Ceramic, plastic, and film capacitors of which
			capacitance are 10 pF or less.
	None				........... more than ±5% pF
	B				........... ±0.1 pF
	C				........... ±0.25 pF
	(3) Electrolytic, Trimmer
			Tolerance is not described.
Temperature characteristic	None				........... SL
(Ceramic capacitor)	For others, temperature characteristics are
	described. (For capacitors of 0.01 μF and
	no indications are described as F.)
Static electricity capacity	Sometimes described with abbreviated letters as
(Ceramic capacitor)	shown in Eg. 3.

Eg. 2

100μ

Temperature	Rated	Tolerance
response	voltage

Fig. 3-1-2

Eg. 3

104

10x104pF (0.1μF)

Temperature characteristic

(or Temperature characteristic+ Static electricity capacity tolerance)

Fig. 3-1-3

DIAGRAMS SERVICING 3 SECTION

3-1