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A site where discontinualed schematic diagrams and back dated information can be found on discontinued radios tv's and any electronic equipment can be found. Newer manuals either Service and operating manuals. Radio amateurs should find this site a great source for ham radio equipment manuals. I will return to this site should I need information on any electrical equipment. priced easy to download in a PDF format and print pages need to undertake the repair.
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Quality scan of the original. All the detail necessary to troubleshoot, repair and adjust the unit. I'm sure I will be downloading more manuals in the future as the need arises.
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Exactly as described, a Service Manual complete with the schematics and PCB layout delivered in a timely manner. Many thanks for the great service.
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some of the writing is a bit blur but the part in the schmatic was great and i have fixed the machine thanks
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Well.. I'd searched for this manual and although I found many copies online I was pleased to find your website with a well balanced pricing system and easy to search and follow links. That together with the very quick response time was just what I was looking for.. being a very impatient tech.. ;-) I had the service manual in front of me within a short time.
Bookmarked.. and you can bet I will always come here first for my service & user manuals..
best regards
Ed(Tony) Foley
G7WHK
1-1
TECHNICAL SPECIFICATION
General Dimensions (WxHxD) Weight without batteries : 134x30.5x154mm : 250g Headphone out (load impedance 16�, except crosstalk) Output power : 2x10mW ±2dB Frequency response (max vol.) : 20Hz-20kHz within 8dB S/N ratio (unw.) : >80dB (83dB typ.) S/N ratio (A-wght) : >82dB (85dB typ.) THD+N (1kHz, 1mW) : <0.3% (0.05% typ.) Channel crosstalk (1kHz, no load) : <-40dB Channel unbalance (-40dB) : <5dB Volume attenuation (1kHz) : >70dB
Power supply modes DC-in socket Battery 2xLR6 Accu-pack AY3361 (NiCd) : 4.5-5.5V : 1.8-3.6V : 1.8-3.6V
CD out (not on all versions) Battery lifetime Battery 2xLR6 Accu-pack AY3361 (NiCd) : 6hrs typ. : 3hrs typ. Output level (1kHz, 0dB) Frequency response S/N ratio (unw.) S/N ratio (A-wght) THD+N (1kHz, 0dB) THD+N (10kHz, -20dB) Channel crosstalk (1kHz) Channel crosstalk (10kHz) Channel unbalance (1kHz, 0dB) Dynamic range (1kHz, -60dB) : 900mV ±2dB : 20Hz-20kHz within 6dB : >80dB (83dB typ.) : >85dB (88dB typ.) : <0.2% (0.05% typ.) : 0.5% typ. : <-45dB (-50dB typ.) : -40dB typ. : <1dB (0.5dB typ.) : 90dB typ.
Battery empty detection Battery weak level Battery empty level : 2.0V nom. ±200mV : 1.8V nom. ±100mV
Charge circuit Laser Charge current Charge time for 80% Max. charge time Temperature protection : 200mA nom. ±10% : 3.5hrs nom. : 7hrs nom. : 60°C ±5°C Output power Wavelength : <5mW (3mW typ.) : 780nm
CD
Measurement setup SBC429 Use Audio Signal Disc
4822 397 30184 (replaces test disc 3) Use Audio Signal disc SBC429 DUT
L R
Current consumption (DC-in=4.5V) PLAY-mode JUMP-mode Stand-by (excl. recharge) : 210mA typ. : 485mA typ. : 150mA typ.
4822 397 30184
Current consumption (Batt. supply=2.25V) PLAY-mode JUMP-mode Stand-by (excl. recharge) : 270mA typ. : 460mA typ. : 50µA typ.
e.g. Sound Technology ST1700B
S/N and distortion meter
Shock resistance +X/-X direction +Y/-Y direction +Z/-Z direction : >4G : >4G : >3G
e.g. Sennheiser UPM550 with FF-filter
LEVEL METER
Shock resistance by use of car base +X/-X direction +Y/-Y direction +Z/-Z direction : >6G : >6G : >6G
CS 46 159
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