Technics SACH 34 Service Manual

Page 1

ORDER NO. MD9603007CI

Service Manual

@GDMPART

DIGITAL AUDIO

Flemote Control SB-CH34
Transmitter

TAPE SECTION : SGZOW MECHANISM SERIES
CD SECTION : RAE01SOZ TRAVERSE DECK SERIES

I Specifications

I Amplifier Section

MASH

mulli- a. nmseshapmg

SA-CH34

Rated minimum sine wave FI'O power output
90 Hz - 20 kHz both channels driven

1% total harmonic distortion

2x20W(4Q)

1 kHz continuous power output, both channels driven

1% total harmonic distortion (DIN POWER)

Total harmonic distortion
Half power at 1 kHz
Frequency response
CD
Input sensitivity
AUX
Input impedance
AUX
Load impedance

I FM Tuner Section
Frequency range

Sensitivity
Total harmonic distortion
MONO
STEREO
SIN (MONO)
Frequency response
image rejection at 98.1 MHz
Stereo separation at 1kHz
Antenna terminal(s)

I AM Tuner Section
Frequency range
Sensitivity

(for 500 mW)

(SIN 20dB)
Image rejection at 1000 kHz

Notes :

2 x 22 w (4 a)

0.1 % (4 n)
45 Hz - 20 kHz (-3 dB)
250 mV

47m
49

87.9 - 107.9 MHz (200 kHz steps)
87.5 - 108.0 MHz (100 kHz steps)
23.3 dBt (4.0uv, IHF 58)

0.3 %

0.5 %

65 dB

50 Hz- 15 kHz, (+0.5 dB, -2 dB)
46 dB

35 dB

75 Q (unbalanced)

520- 1710 kHz

280;; V/m
500p Wm
40 dB

1. Specifications are subject to change without notice.
Weight and dimensions are approximate.

2. Total harmonic distortion is measured by the digital spectrum analyzer.

Panasonic®

SB-CH34

CD Stereo System
Colour
(K) Black Type
Area
Suffix for
Model No. Area Colour
(P) U.S.A.
(K)
(PC) Canada
* MASH is a trademark of MIT.
System Music Center Speaker
SC-CH34 (P) SA-CH34 (P)
SB-CH34 (P)
SC-CH34 (PC) SA-CH34 (PC)

I Cassette Deck Section

Track system 4 track, 2 channel
Heads
Playback Solid permalioy head
Recordlplayback Solid permalioy head
Erasure Double gap ferrite head
Motor DC servo motor
Recording system AC bias 100 kHz
Erasing system AC erase 100 kHz

Tape speed 4.8 cm/sec (17/3 ips)
Frequency response

NORMAL 30 Hz - 14 kHz (+2 dB, -5 dB)
SIN (NORMAL TYPE) 52 dB (A weighted)

Wow and tlutter
Fast forward and rewind times
Approx, 110 seconds with 060 cassette tape

0.1 % (WRMS)

I CD Section
Sampling frequency 44.1 kHz
Decoding 16 bit linear
Beam source/wave length Semiconductor laser / 780 nm
No. of channels Stereo
SIN(CD UNIT OUT) 95 dB (JIS. A)
Wow and flutter Below measurable limit
Digital filter 8 ts
DIA converter MASH (1 bit DAC)
I General
Power consumption 77 W
Power supply AC 120 V, 60 H2
Dimensions (W x H x D) 270 x 320 x 322 mm
(105/; x129/32"x12"/6")
Weight 6.4 kg (14.1 lb.)