Toshiba SA 220C Service Manual
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Extracted text from Toshiba SA 220C Service Manual (Ocr-read)
Page 2
SAZZOC
TABLE OF CONTENTS
FEATURES .................................................. 2
I. OPERATING CONTROLS ......................................... 3
1771 FRONT VIEW ............................................ 3
1-2 REAR VIEW .............................................. 3
2. PARTS LOCATIONS ............................................. 4
2»I CHASSIS TOP VIEW ......................................... 4
2~2 CHASSIS BOTTOM VIEW ..................................... 4
3. DISASSEMBLY INSTRUCTION ..................................... 5
3-1 BOTTOM BOARD REMOVAL ................................. 5
3~2 CABINETREMOVAL............; ........................... 5
4. TECHNICAL POINTS ............................................ 6
5. CIRCUIT ADJUSTMENT ......................................... 7
51 FM ADJUSTMENT .......................................... 7
572 AM ADJUSTMENT .......................................... 9
6, DIAL CORD STRINGING ......................................... 10
7. ELECTRICAL PARTS LOCATIONS .................................. 10
7-4 BOTTOM VIEW OF POWER AMP. PC. BOARD ..................... IO
(AF-109 UNIT)
7~2 BOTTOM VIEW OF MIC AMP. PC. BOARD IAFAHO UNIT) ............ IT
773 BOTTOM VIEW OF TUNER PREAMP.
PC. BOARD lSTP~41 UNIT) ............................... I2
8. BLOCK DIAGRAM .............................................. 13
9. SEMICONDUCTOR BASE DIAGRAMS ................................. 14
10, SCHEMATIC DIAGRAM .......................................... 15
11, EXPLODED VIEW .............................................. 16
I2. PARTS LIST .................................................. 17~ 18
FEATURES
High sensitivity FET FM Front-end
High reliability PLL MPX IC
Frequency linear type (FM) wide scale dial
PCT low noise transistor
Distortion-free, pure complementary OTL Main Amplifier of all stages direct-coupling type
Pure electron power transistor protection circuit
New mic-mixing circuit system
Vertical plugrin type inan terminal
Wireless shielding
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