Stereo Power Amplifier - Sony TA-N220 Service Manual

Stereo power amplifier
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TA-N220
MODEL
IDENTIFICATION
—Mode! Number Label —
SONY.
MODEL
NO. TA-N220
STEREO
POWER
AMPLIFIER
OOO20)
SERIAL
NO.
MADE
IN JAPAN
AE1, AE2, Germany Models:
AC: 220V —230V ~ 50/60Hz
UK Model:
AC: 240V ~ 50/60Hz
E Model:
AC: 120/220/240V ~ 50/60Hz
AE2 Model only
SECTION
1
GENERAL
This section is extracted from
instruction manual.
1-1.
LOCATION
AND
FUNCTION
OF CONTROLS
POWER switch
OPERATION indicators
Lights up to indicate the number of channels to he
[2] NORMAL/BTL switches
used.
When the NORMAL/BTL switches are set to the
Selects the amplifier operation according to the input
NORMAL positions, the AMP 1, 2, 3 and 4 indicaiors
and speaker connections.
AMP 4, 2
light up.
NORMAL: When the SPEAKER 1 and/or 2. terminals
Wen he NORMALE Lowite sete oallo ne ETS
and the INPUT 1 and/or 2 jacks are used.
positions, the BTL indicators light up.
BTL: When the SPEAKER BTL A terminal and
the INPUT A jack are used.
INPUT LEVEL controls
AMP 3, 4
AMP 1, 2: Adjusts the input signal connected to he
NORMAL: When the SPEAKER 3 and/or 4 terminals
INPUT 1 and 2 jacks.
and the INPUT 3 and/or 4 jacks are used.
AMP 3, 4: Adjusts the input signal connected to he
BTL: When the SPEAKER BTL B terminal and
INPUT 3 and 4 jacks.
the INPUT B jack are used.
* See the "Hooking up a system" section for the system
setup and the settings of these switches.

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