Technics SH-8000 K Service Manual

ORDER NO. $D82092307C3
Service Manual
Audio Frquency Analyzer
[XA]
* The black type model is provided with (K)
in the Service Manual.
* The colors of this model is black type only.
Specifications (Specifications are subject to change without notice for further improvement.)
Overall frequency response
Frequency response: @ General
Power source:
20 Hz~20 kHz +2 dB
DC 9V
(National OO6P (6F22) or equivalent)
10 hours (continuous operation,
using National "OO6P" battery)
Dimensions (WXHXD): 215 X 62 XK 122 mm
(8-15/32" & 2-7/16" X 4-13/16")
1.0 kg (2.2 Ib.)
@ Oscillation section
Oscitlation signal: Warble tone
(modulation frequency: 8 Hz)
Oscillation frequencies:
20, 25, 31.5, 40, 50, 63, 80, 100, 125,
160, 200, 250, 315, 400, 500, 630, 800,
1k, 1.25k, 1.6k, 2k, 2.5k, 3.15k, 4k,
5k, 6.3k, 8k, 10k, 12.5k, 16k, 20k (Hz)
(Measurement points: 31)
Weight:
Microphone
+6% or jess
70 mV/1 kO
Frequency precision:
Rated output/output impedance:
@ Meter section
Sound-pressure measurement range:
35 dB~105 dB SPL (0 dB = 2X10 bar)
(50~90 dB: 10 dB steps, switchable in 5 ranges)
Meter response time:
FAST: (attack time)
(recovery time)
(attack time)
(recovery time)
350 msec.
400 msec.
550 msec.
2 Sec.
SLOW:
Back-electret-condenser type
Non-directional
—72 dBV/pbar (1 KHz)
20 Hz~20 kHz
110 dB SPL
(0 dB = 2x10 4ybar) .
Output impedance: 600Q unbalanced
Power source: DC 1.5V
(National SUM-3 (AA size) or equivalent)
1500 hours (continuous operation,
using National "SUM-3" battery)
4m (13 ft.)
Type:
Directional characteristic:
Sensitivity (front):
Frequency response:
Maximum input sound pressure:
Battery life:
Cord length:
CONTENTS
Page Page
FEATURES. .......000 eee eee ee teens brace, oe BLOCK DIAGRAM ¢s.4:4 46x 2S ihe Go wie we ee ee 7,8
LOCATION OF CONTROLS ..............0008 3 SCHEMATIC DIAGRAM.............50-226:5 9~11
ADJUSTMENTS ........2.2 000 eee euueeeae . 4 RESISTORS & CAPACITORS ..........- 000008 9
DISASSEMBLY INSTRUCTIONS .............--+.--. 4 EXPLODED VIEW & REPLACEMENT PARTS LIST. 12, 13
PRINTED CIRCUIT BOARD WIRING VIEW....... 5,6 PAGIUINGS 2755: So ose sO ets ee Roshi eee 14
Technics
Matsushita Electric Trading Co., Ltd.
P.O. Box 288, Central Osaka Japan