Luxman SQ 1220 Service Manual

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SQ1220 service manual

Page 2

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1D.

12.
13.
14.
15.
16.
17.
18.
19.
20.
21.

FRONT PANEL CONTROLS

7 8

1011

13

14

REAR PANEL CONTROLS

17 18 19 20 21 22

25 26 28 29 2730

31

TREBLE CONTROLS (TREBLE)

BASS CONTROLS (BASS)

BASS FREQUENCY SELECTOR (BASS CONTROL)
TREBLE FREQUENCY SELECTOR (TREBLE CONTROL)
BASS BOOST. BASS CUT

TREBLE CUT FILTER (HIGH CUT)

HEADPHONE JACK (PHONES)

PILOT LIGHT

. |NPUT SELECTION SWITCH

MODE SELECTOR (MODE)

BALANCE CONTROL (BALANCE)

VOLUME CONTROL (VOLUME)

TAPE MONITOR SWITCH (tape monitor)

POWER SWITCH (WWO!)

TAPE CONNECTOR (TAPE CONNECTOR)
RECORDING OUTPUT CONNECTOR (REC OUT)
TAPE MONITOR INPUT CONNECTOR (MONITOR)
TAPE HEAD |NPUT CONNECTOR (TAPE HEAD)
PHONOGRAPH INPUT CONNECTOR (PHONO-1)

23 24

32 36

38 39 40

. PHONOGRAPH INPUT CONNECTOR IPHONO-Z)
. AUXILIARY INPUT CONNECTOR (AUXv1)
. AUXILIARY INPUT CONNECTOR (AUX-2)

3-D FILTER SELECTION SWITCH

3-D BASS FREQUENCY OUTPUT TERMINAL
MAIN AMP LEVEL SET

PREAMP OUTPUT CONNECTOR

MAIN AMP INPUT CONNECTOR

. STEP-UP TRANSFORMER SELECTION SWITCH

. STEP~UP TRANSFORMER SOCKET

. INPUT IMPEDANCE SELECTION SWITCH

. DAMPING FACTOR CHANGEOVER SWITCH

. OUTPUT LOAD CONNECTORS (right-SPEAKER-Iafl)
. EARTH TERMINAL (GND)

. EXTRA AC POWER OUTLETS (UNSWITCHED)

. CONVENIENCE AC POWER OUTLET (SWITCHED)
. FUSE HOLDER (AC)

. FUSE HOLDER (DC)

. AC POWER CORD