SHARP 21BS1 Repair Manual

$7.99

SHARP 21BS1 - It's a complete service manual, and it's in PDF format. It contains circuit diagrams ( schemas ) etc. It also usually contains parts catalog. After placing order we'll send You download instructions on Your email address. See below for delivery information

The manual is available only in language(s): English

Link to manual will be sent on Your email address after You place order.

This product was added to our catalog on Monday 07 May, 2007.

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Mark Tarkett -

Excellent service, good price, products are excellent. Will do business with this vendor again.

Krzysztof Mazurek - 11/27/2007

Super ! Szukałem wszędzie i tutaj po 10 minutach miałem schemat w swoim PC.

Gary Fisher - 07/25/2006

Excellent! I'm very pleased with quality of Sony DCRDVD-101 owner's manual. The manual has 148 pages and covers basicly everything!. Thanks again for great service!

Steve Fink - 07/24/2006

Nice, really nice. I was happy to receive manual in true electronic form, instead of scanned original. This manual includes: Wiring diagram, circuit diagram, block diagram, PC board, adjustment, exploded view, PARTS CATALOG and more.. It's full color manual, not B&W or grayscale :)

Glen Meyer - 10/26/2008

Very fast service, manual is well scanned and clear, but the Appendix A containing PC Command table and Control codes are missing

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Click to see text excerpt from the manual

21B-S1
TROUBLE SHOOTING TABLETROUBLE SHOOTING TABLE (Continued)
CIRCUITS TO BE CHECKED:
NO RASTERNO PICTURE, NO SOUND
Tuner.
PIF.
Automatic Gain Control.
Check F701.Blown out. (5V), (32V) Power Source. Does the noise level increase at max.
Contrast, Brightness and Sound controls ?
NormalReplace the fuse.
Noise increases but no signal is
No snow noise.
received.
AbnormalCheck T701 pin (7) voltage
The fuse is blown out again.
(Approx. 310V at 220V AC)
Does signal appear at pin (40) of
Check R701, R707 and Check the tuner supply voltage LB must
NormalCheck IC701, D701 and IC801 ?
D709.be approx. 5V. BT must be approx. 32V
C707.
and CH preset data check.NOYES
Check Secondary Main+B
(Approx. 115V)Does signal Check IC801 and
Normal
AbnormalNormalappear at pin (38) its related circuit.
of IC801 ?
Check the tuner AGC NO
Check IC702, IC753, D758.Check CRT connector D1001 (Power LED Green) YES
at TP201.
K1-K5 bias.YESturns on.
NONormalAbnormalDoes signal Check
NormalNormalAbnormalappear at pins Q203,Q204 and
D1001 (Power LED Red) (23) and (24) of IC401 and its
turns on or turns ON/OFF.Check pin (27) of IC801 ?related circuit.
Check pin (38) of
Check R615 and R618.Check Check ON/OFFONIC801, Tuner and IC801.NOYES
C878.IC801.related circuit.
Checking the
18protector circuit.Check SF201, Check pin (37) of
Tuner and its IC801 and its
Bus error modeDoes horizontal circuit related circuit. related circuit.
See Fig.1oscillate ?
YES
NO
Check IC605, IC751 and CIRCUITS TO BE CHECKED:
IC801. Sound system pins (28) NO SOUND
and (29) of IC801.
Sound Detector Circuit.
If bus error happens, the LED RED indicator starts flashing and the power is turned off. Sound Switch and Att. NO
Does signal appear at pin Check IC801, C356, C359
The power key is still effective. Control.
(28) of IC801 ?and peripheral circuit.
Audio Output Circuit.
YES
Fig.1EEPROM IC1003(Signal)
(M24C08)
V/C/JIC801Does signal appear at pins NO
(IX3410CE)(7) and (12) of IC302 ?
AV SwitchIC401YES
(M52797SP)
SurroundIC303
(AN5891K)
Check P301 connection Check IC303, IC401 and
between IC302 and its peripheral circuit.
NICAM +IGR
(TDA9874)peripheral circuit.
IGR only
(TDA9873)
PLL TunerTU201
(VTST5HD84)
2S0.5S
18-118-2