Onkyo TX 38 Service Manual
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Extracted text from Onkyo TX 38 Service Manual (Ocr-read)
Page 1
SERIAL NO 3223
WNKYO SERVICE MANUAL
QUARTZ SYNTHESIZED
TUNER AMPLIFIER
MODEL TX-38
as: m
Black model
BUD, BUDN 1 120V AC. 60Hz
BUC 220V AC. 50Hz
BUQA 240V AC. 50Hz
SAFETY-RELATED COMPONENT WARNINGH
COMPONENTS IDENTIFIED BY MARK A ON
THE SCHEMATIC DIAGRAM AND IN THE PARTS
LIST ARE CRITICAL FOR RISK OF FIRE AND
ELECTRIC SHOCK. REPLACE TIIESE COMPO
NENTS WITH ONKYO PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS
MANUAL,
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM
THE SUPPLY CIRCUIT BEFORE RETURNING
THE APPLIANCE TO THE CUSTOMER.
ONKYO
Alllllll BflMPflNENIS
TABLE OF CONTENTS
Specifications ---------------
Service procedures ------------ . -
Exploded View ..................... 4
Pans list ....................... 5
Block diagram 'Tuner section- ------------ 6
Block diagram *Amplifier section ------------ 8
Circuit description ~~~~~~~~~~~~~~~~~~~ 9
Adjustment procedures ---------------- 15
Schematic diagram
Tuner section *IZOV model ---------- 19
-220V modeI ---------- 23
Amp. section *120V modelv ---------- 27
220V model< --------- 31
Block diagram of IC -------------- 33
Packing VIEW ----------------- 34