Technics SA-222 M Service Manual

@ AM TUNER SECTION
Frequency range
Sensitivity
Selectivity
Image rejection at 1000 kHz
IF rejection at 1000 kHz
@ GENERAL
Power consumption
Power supply
530~ 1620 kHz
30 wV, 300 uwV/m
55 dB
50 dB
40 dB
185W
AC 120V, 60 Hz
m@ CONTENTS
Page
LOCATION OF CONTROLS........2... 2.0 ee eee 2,3
DISASSEMBLY INSTRUCTIONS ..............-.. 3~6
ADJUSTING INSTRUCTIONS. ............-0.000. 6,7
ADJUSTING POINTS .. 0.0... pee ee ee et ns 8
BLOCK DIAGRAM. ........ 0.00. ee eee eee eee 9,10
REPLACEMENT PARTS LIST (Electric Parts)....... 11, 12, 24
m LOCATION OF CONTROLS
Quartz-lock indicator
(up)
Tuning—{
down)
Analog frequency meter—
Band (AM)
selectos tse
Headphones jack
al
(remote)
Speaker
selectors
(bass)
Tone controls ar ble)
re
Automatic-scan
430 x 120 x 300 mm
(16-15/16" x 4-23/32” x 11-13/16")
5.9 kg
(13 tb.)
Dimensions (WxHxD)
Weight
Note:
This unit is equipped with an FM/AM allocation selector on
the rear panel. The specifications shown above are correct
with this selector set to the “FM 0.2 MHz/AM 10 kHz” position.
If it is set to the “FM 0.05 MHz/AM 9 kHz” position, however, the
FM frequency range becomes 87.50~108.00 MHz, and the AM
frequency becomes 522~1611 kHz.
Weights and dimensions shown are approximate.
Page
PRINTED CIRCUIT BOARD
Tuner circuit & Equalizer circuit. ............5- 13, 14
FM/AM preset tuning circuit ...........0. 000% 15, 16
Main amplifier circuit... ........0000 ec cence 17,18
SCHEMATIC DIAGRAM ...........2-0220 00 19 ~ 23
EXPLODED VIEWS ..... 2... . ce ee ee eee 25 ~ 27
REPLACEMENT PARTS LIST (Cabinet & Chassis Parts)... . . 28
Memory
gE FM stereo indicator
( Lon, = off manual)
Digital frequency meter
Memory indicator
Signal-Strength indicators
(aux)
funert-tnoe selectors
(phono)
Volume control
(tape 2) Tape-monitor
(tape 1 Paslactore
Loudness (goff, =on)
Balance control
—Preset-tuning
Subsonic filter (m off, = on)
FM muting/FM mode
( mon/FM auto, = off/FM mono)

Technics SA-222 M Specifications

General

Brand	Technics
Model	SA-222 M
Category	Stereo Receiver
Language	English