SYLVANIA SRT2232X - Manuals

2-3 L6115IMP Precautions during Servicing A. Parts identified by the ( # ) symbol are critical for safety.Replace only with part number specified. B. In addition to safety, other parts and assembliesare specified for conformance with regulations ap-plying to spurious radiation. These must also berep...

2-4 L6115IMP Safety Check after Servicing Examine the area surrounding the repaired locationfor damage or deterioration. Observe that screws,parts and wires have been returned to original posi-tions. Afterwards, perform the following tests and con-firm the specified values in order to verify complia...

3-1 L6115STA STANDARD NOTES FOR SERVICING Circuit Board Indications a. The output pin of the 3 pin Regulator ICs is indicat- ed as shown. b. For other ICs, pin 1 and every fifth pin are indicat- ed as shown. c. The 1st pin of every male connector is indicated as shown. How to Remove / Install Flat P...

3-3 L6115STA 2. Installation (1) Using desoldering braid, remove the solder from the foil of each pin of the flat pack-IC on the CBAso you can install a replacement flat pack-IC moreeasily. (2) The " I " mark on the flat pack-IC indicates pin 1. (See Fig. S-1-7.) Be sure this mark matches th...

4-1 L6650DC CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart This flowchart indicates the disassembly steps for thecabinet parts, and the CBA in order to gain access toitem(s) to be serviced. When reassembling, follow thesteps in reverse order. Bend, route and dress thecables as they were. ...

4-3 L6650DC CN691 ANODE CN801 CLN801 SP801 L691 DEGAUSSING COIL MAIN CBA FLYBACK TRANSFORMER T571 AC601AC CORD TU1TUNER WH501B WH301B FOCUS SCREEN WH501A WH301A TO CRT GROUND CN571 CN1501 CN802 CLN802 SP802 Fig. 5 TV Cable Wiring Diagram

5-1 L6650EA ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: "CBA" is abbreviation for "Circuit Board Assem-bly." NOTE: Electrical adjustments are required after replacingcircuit components and certain mechanical parts.It is important to perform these adjustments onlyafter all repair...

5-2 L6650EA 2. Initial Setting General 1. Enter the Service mode. (See page 5-1) 2. Press "VOL p " button on the service remote control unit. Display changes "C/D," "7F," "LANGUAGE,""ACCESS CODE," "SOUND TYPE," "VIDEOTONE," "FM MODE," &...

5-4 L6650EA 5. Black Stretch Control Adjustment Purpose: To show the fine black color. Symptom of Misadjustment: Black color will not appear correctly. Note: Use service remote control unit. 1. Enter the Service mode. (See page 5-1) 2. Press "6" button on the service remote control unit. ...

5-6 L6650EA 12. V-Pedestal Adjustment 1. In VIDEO mode of V1, V2, or YUV, press "3" button on the service remote control unit and select "V-PED" mode. (Display changes "U-PED" and "V-PED" cyclically when "3" button is pressed). 2. Switch the VIDEO mode to YUV....

5-7 L6650EA 16. Cut-off Adjustment Purpose: To adjust the beam current of R, G, B, and screen voltage. Symptom of Misadjustment: White color may be reddish, greenish or bluish. Note: Screen Control FBT --- Main CBAF.B.T= Fly Back TransformerUse service remote control unit 1. Degauss the CRT and allo...

5-8 L6650EA 18. Sub-Brightness Adjustment Purpose: To get proper brightness. Symptom of Misadjustment: If Sub-Brightness is incorrect, proper brightness cannot be obtained byadjusting the Brightness Control. Note: IQW Setup level --- 7.5 IREUse service remote control unit 1. Enter the Service mode. ...

5-9 L6650EA 21. Convergence Adjustment Purpose: To obtain proper convergence of red, green and blue beams. Symptom of Misadjustment: If Convergence Adjust- ment is incorrect, the edge of white letters may havecolor edges. 1. Loosen the Ring Lock and align red with blue dots or Crosshatch at the cent...

L6650BLS BLOCK DIAGRAMS 6-1 6-2 58 7375 63 62 80 56 SCL AFTAGC AFT AGC INPUT0 INPUT1 PROTECT-2 PROTECT-1 PROTECT-3 P-ON-H SDA System Control Block Diagram REMOTE SENSOR KEY SWITCH 74281840 DG-ON-H+5V CTRL+5V CTRL2+8V CTRL DG-ON-H +5V CTRL +5V CTRL2 +8V CTRL FROM/TOPOWER SUPPLY BLOCK FROM/TOCRT/H.V. ...

L6650BLIF 6-3 6-4 58 16 5632 30 SCL CF31 CF32 VCO F/B Q33 AGC SDA S-SW (REAR) FROM/TOCRT/H.V. BLOCK WH301A TOCRT/H.V. BLOCKWH301B BLUE 5 GREEN 4 RED 3 IF/Video Block Diagram IC33 (IF SIGNAL PROCESS) CHROMINANCE PROCESS CIRCUIT LUMINANCE PROCESS CIRCUIT CHROMA COMB BASEBAND TINT H-SYNC PROCESS CIRCUI...

Audio Block Diagram MAIN CBA AUDIO SIGNAL 6-5 6-6 L6650BLA A-MUTE-HVOLUME FROM/TO SYSTEM CONTROL BLOCK INPUT 0INPUT 1SCLSDA SP802 SPEAKER R-CH CN802 SP-R 1 SP-GND 2 SP801 SPEAKER L-CH CN801 SP-L 1 SP-GND 2 IC771 (INPUT SELECT) SW CTL 13 3 111512 421 9 10 Q751 AMP Q761 AMP VCA STEREO FILTER 75uS DE-E...

L6650BLP 6-9 6-10 Power Supply Block Diagram 4A/125V F601 4A/125V LINEFILTER L601 AC601 AC CORD DEGAUSSINGCOIL L691 CN691 PS691 BRIDGERECTIFIER D605 - D608 HOT COLD T601 6 4 2 1 13 14 12 11 9 4 3 IC601 ERRORVOLTAGE DET Q601 Q602 LIMITER SWITCHING Q652 VR661 +B ADJ Q673 SWITCHINGCONTROL Q672 Q681 Q69...

7-1 L13SC SCHEMATIC DIAGRAMS / CBA'S AND TEST POINTS Standard Notes Many electrical and mechanical par ts in this chassis have special characteristics. These characteristics oftenpass unnoticed and the protection afforded by them cannot necessarily be obtained by using replacement compo-nents rated ...

A1 A2 A3 A4 B1 B2 B3 B4 C1 C2 C3 C4 D1 D2 D3 D4 E1 E2 E3 E4 F1 F2 F3 F4 VIDEO SIGNAL Main 1/4 Schematic Diagram 7-3 7-4 L6650SCM1 MAIN 1/4 Ref No. Position IC151 A-3 IC333 C-2 Q111 D-1 Q131 A-3 Q141 A-4 Q191 B-4 Q321 E-2 CN301 A-3 ICS TRANSISTORS CONNECTOR

G1 G2 G3 G4 H1 H2 H3 H4 I1 I2 I3 I4 J1 J2 J3 J4 K1 K2 K3 K4 L1 L2 L3 L4 VIDEO SIGNAL AUDIO SIGNAL 7-5 7-6 L6650SCM2 Main 2/4 Schematic Diagram MAIN 2/4 Ref No. Position IC431 G-3 IC771 H-2 IC801 J-4 Q751 J-2 Q761 J-2 Q791 J-1 Q792 I-2 Q793 I-1 Q794 H-1 Q825 J-3 Q831 K-3 Q832 K-3 Q841 K-3 Q851 J-3 Q9...

M1 M2 M3 M4 N1 N2 N3 N4 O1 O2 O3 O4 P1 P2 P3 P4 Q1 Q2 Q3 Q4 R1 R2 R3 R4 IF SIGNAL VIDEO SIGNAL AUDIO SIGNAL NOTE :The voltage for parts in hot circuit is measuredusing hot GND as a common terminal. CAUTION: FOR CONTINUED PROTECTION AGAINST RISKOF FIRE, REPLACE ONLY WITH SAME TYPE 4A, 125V FUSE.AT T ...

FOCUS-VR(UPPER SIDE) SCREEN-VR(LOWER SIDE) VR661 +B ADJ +B TP601 15kHz TP302 VR561 PCC VR562 WIDTH AGC TP301 TP300 G N D Main CBA Top View BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER SUPPLY CIRCUIT, AN ISOLATION TRANSFORMER MUST BE USED. ALSO, IN ORDER TO HAVE THE ABILITY TO INCREASE THE IN...

Q571Base WF8 PIN 4OF CN571 WF12 WF9 PIN 1OF CN571 PIN 3OF WH501A WF10 PIN 7OF IC551 WF11 Q572Collector WF7 WF1 PIN 3OF IC33 PIN 8OF TU1 WF16 WF2 PIN 14OF IC333 PIN 5OF IC801 WF6 Main CBA Bottom View BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER SUPPLY CIRCUIT, AN ISOLATION TRANSFORMER MUST BE...

WF15 Q1511Collector Q1511Base WF3 WF14 Q1521Collector Q1521Base WF4 WF13 Q1531Collector Q1531Base WF5 G N D TP500 BLUE TP501 7-15 BL6650F01011-2 7-16 CRT CBA Top View CRT CBA Bottom View CRT CBA Ref No. Position Q1511 C-1 Q1512 C-1 Q1521 C-1 Q1522 C-1 Q1531 B-1 Q1532 B-1 CN1501 A-2 WH301B B-2 WH501B...

10 V 5 ms 1DIV: 0.5V 20 µ sec IC 33 Pin 3 WF1 GND 1DIV: 0.5V 20 µ sec IC 333 Pin 14 WF2 1DIV: 0.2V 20msec IC 801 Pin 5 WF6 1DIV: 200V 20 µ sec CN 571 Pin 1 WF9 GND 1DIV: 5V 20 µ sec WH501A Pin 3 WF10 GND 1DIV: 2V 5msec IC 551 Pin 7 WF11 1DIV: 10V 5msec CN 571 Pin 4 WF12 1DIV: 20V 20 µ sec Q 1521 Col...

WIRING DIAGRAM CRT CBA FOCUS SCREEN GND D.Y. DY551 HD VD MAIN CBABL6650F01011-1 WH301A CN1501 12 CN691 CLN501 CLN301 AC601 1 2 3 4 5 12 345 CN571 54321 WH301B GND RED GREEN BLUE V501 CRT ANODE L-CH R-CH 1 SP-L 2 SP801SPEAKER CN801 1 SP-R 2 SP802SPEAKER CN802 9-1 L6650WI T571 FBT TU1 TUNER UNIT WH501...

10-1 L6650PIN IC PIN FUNCTIONS IC333 (TV Micro Computer) Pin No. Signal Name Function 1 GND GND 2 N.U. Not Used 3 N.U. Not Used 4 N.U. Not Used 5 GND GND 6 VCC AL+5V 7 N.U. Not Used 8 FILT FILT 9 HLF Filter for CCD 10 VHOLD VHOLD 11 CVIN Input for Video Signal 12 RESET RESET 13 MCU RESET OUT RESET S...

PB6 PB6 A3 A2 A1 L1 L1 B4 B4 SP801 SP802 B2 B2 B5 B5 B2 B1 B2 A6 L2 L2 L2 L2 L4 L2 L2 L3 L2 A5 B-8 B-7 B-6 L-1 L-1 B-9 L-1 L-1 A4 L-1 Scotch Tape #880 MAIN CBA CRT CBA AC601 V501 DY551 CLN551 L691 Lead Clamper Lead Clamper Lead Clamper Lead Clamper Lead Clamper Lead Clamper V501-1 DY551 Details for ...

FRONT S2 S6 PACKING TAPE S5 S4 S3 S2 POP LABEL X2 X4 X3 TAPE X1 S1 Packing 11-3 L6250PEX

20030303 12-1 L6650CA MECHANICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read care-fully the product safety notice in this service manual.Don't degrade the safety of the product throughimprop...

20030303 13-1 L6650EL ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read care-fully the product safety notice in this service manual.Don't degrade the safety of the product throughimprop...