Technics SUA 6 Mk2 Service Manual

Page 1

ORDER NO. HADS4052765A9

Service Manual

Stereo DC Control Amplifier

SU-A6MK2(K)

IDLIEKIJEVVIIEBLIEF].
[EHMXALIXLL[EiMPA].
[PE] ,[PC]

Areas

* [D] is available in Scandinavia.
* [EK] is available in United Kingdom.
* [EW] is available in Switzerland.
[EB] is available in Belgium.
[EF] is available In France.
' [EH] is available in Holland.
[XAI is available in Southeast Asia, Oceania, Africa,
Middle Near East and Central South America.
[XL] is available in Australia.
[Ei] is available in ltaiy.
[PA] is available in far East PX.
" [PE] is available in European Military,
" [PC] is available in European Audio Club.

* The color of this model is black type only.
The black type model is indicated by (K) in the
Service Manual.

Please use this manual together with the service manual ior Model No. SU-A6MK2,
Order No. HAD8403274801.

I SPECIFICATIONS (Specifications are subject to change without notice for further improvement.)
(DIN 45 500)

PHONO maximum input voltage (1 kHz, HMS)

I AUDIO SECTION MM 160 mv
Total harmonic distortion (20 Hz~20 kHz) 5/" PHONO MM 80 dB (90 dB 'HF '56)
PHONO MM (0 5 V out UK at vol 35322;; MC 73 dB (75 d3, 'HF» '56)
' p ' 0 002v TUNER, co, VIDEO/AUX 1, TV/AUX 2,
(3 V cm m a VG, max: TAPE 1/sxr, TAPE 2/vm,

PHONO MC p 50159,, TAPE 3/DA TAPE/DA pnocssson

(05 v output at vol. 730 dB) 00 dB (106 08. IHF. 66)
0.003% Frequency response

(3 V output at vol. max.)
TUNER. CD, VIDEO/AUX 1, TV/AUX 2,
TAPE I/EXT, TAPE 2/VTR,
TAPE 3/DA TAPE/DA PROCESSOR 0.002%
(0.5 V output at vol. 30 (18)
0.002%
(3 V output at vol. max.)
Input sensitivity and impedance
PHONO MM 2.5 mV/47 k0
MC 100 [IV/2200
TUNER. CD, VIDEO/AUX 1, TV/AUX 2
TAPE 1/EXT, TAPE 2/VTR,

TAPE 3/DA TAPE/DA PROCESSOR 150 mV/47 kQ

PHONO MM
20 Hz~20 kHz, RIAA standard curve, :02 dB
20 Hz~100 kHz, RIAA standard curve, :05 dB
TUNER, CD, VIDEO/AUX 1 TV/AUX 2,
TAPE IlEXTV TAPE 2/VTR,
TAPE 3/DA TAPE/DA PROCESSOR
20 HZ~20 kHz (+0, -0.1 dB)
0.5 HZ~200 kHz (+0. 3 dB)

Shelving Tone

SUPER BASS (30 Hz) 0 da~+1o dB
BASS (so Hz) ~75 dB~+5 dB
TREBLE (20 kHz) 75 dB~+5 dB

SUPER TREBLE (50 Hit) -10 dB~+1O dB

Panasonic Tokyo

Matsushita Electric Trading 60., Ltd.
P O Box 268. Central Osaka Japan

Matsuahlta Electric Industrial Co., Ltd.

T O
echnlcs 1-2, t-cnome, Shiba-koen. Mmato-ku, Tokyo 105 Japan

Page 15

(This P.C.B. is availabie in two types 6) and ® for the convenience of manufacture. @or (ID is printed on the P.C.B. So,
check the type of PCB. before referring to the diagram shown here. The circuits of types (D and ® are not different from each other)

H OUTPUT AMP/DC SERVO/POWER SUPPLY P.C.B.

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