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KE-32TS2U
US Model
SERVICE MANUAL
Canadian Model
SPECIFICATIONS
Television system: VIDEO IN 4: Power consumption:
American TV standard Y:1 Vp-p, 75 Ω , 0.3 V negative sync In use (Max.): 300W
PB:0.7 Vp-p, 75 Ω In standby: 1.7W
Channel coverage:
PR:0.7 Vp-p, 75 Ω
Dimensions (W/H/D):
VHF: 2–13/UHF: 14–69/CATV: 1–125
or
856 x 627 x 132 mm
Antenna: G:0.7 Vp-p, 75 Ω , Sync on Green
3 3 1
(33 /4 x 24 /4 x 5 /4 inch)
75 Ω external terminal for VHF/UHF B:0.7 Vp-p, 75 Ω , Sync on Green
R:0.7 Vp-p, 75 Ω ,
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SAFETY CHECK-OUT After correcting the original service problem, perform the following safety LEAKAGE TEST checks before releasing the set to the customer: The AC leakage from any exposed metal part to earth ground and from all 1. Check the area of your repair for unsoldered or poorly-soldered exposed metal parts to any exposed metal part having a return to chassis, connections. Check the entire board surface for solder splashes and must not exceed 0.5 mA (500 microamperes). bridges. Leakage cu
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ATTENTION AUX COMPOSANTS RELATIFS À LA SÉCURITÉ!! SAFETY-RELATED COMPONENT WARNING!! LES COMPOSANTS IDENTIFIÉS PAR UNE TRAME ET UNE COMPONENTS IDENTIFIED BY SHADING AND MARK ! ON THE MARQUE ! SONT CRITIQUES POUR LA SÉCURITÉ. NE LES SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE REMPLACER QUE PAR UNE PIÈCE PORTANT LE NUMÉRO PARTS LIST ARE CRITICAL FOR SAFE OPERATION. REPLACE SPECIFIÉ. LES RÉGLAGES DE CIRCUIT DONT L’IMPORTANCE EST THESE COMPONENTS WITH SONY PARTS WHOSE PART CRITIQUE POUR LA SÉCURI
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TABLE OF CONTENTS Section Title Page Section Title Page 1. DISASSEMBLY 1-1. Rear Cover Removal ................................................... 1-1 3. DIAGRAMS 1-2. Main Shield Removal ................................................. 1-2 3-1. Block Diagrams ........................................................... 3-1 1-3. Stand Assembly Removal ........................................... 1-3 3-2. Circuit Boards Location ............................................... 3-5 1-4. Supports R
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SECTION 1 DISASSEMBLY 1-1. REAR COVER REMOVAL 1 Four screws (+PSW 5x25) 2 Six screws 2 Seven screws (+BVTP 4x16) (+BVTP 4x16) 3 Rear cover KE-32TS2U(UC) 1-1
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1-2. MAIN SHIELD REMOVAL 2 Fourteen screws 1 Eight screws (+BVTP 4x16) (+PSW 3x8) 3 Main shield KE-32TS2U(UC) 1-2
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1-3. STAND ASSEMBLY REMOVAL 2 Stand base assembly 1 Four screws Stand base assembly (+PSW 5x12) KE-32TS2U(UC) 1-3
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1-4. SUPPORTS REMOVAL 1 Eight screws 2 Support (left) (+BVTP 4x16) 4 Support (right) 3 Eight screws (+BVTP 4x16) KE-32TS2U(UC) 1-4
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1-5. Q BOARD REMOVAL 1 Two connector screws 3 Four screws 2 Nut (+BVTP 3x12) 4 Connector panel 5 Q top shield 6 Two screws (+PSW 3x6) 7 Q board 9 DVI Adapter 8 UD board KE-32TS2U(UC) 1-5
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1-6. B BOARD REMOVAL 3 Five screws (+PSW 3x6) 1 Two screws (+PSW 3x6) 4 B board 1 Four screws (+PSW 3x6) Board holders Board holders 2 B top shield KE-32TS2U(UC) 1-6
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1-7. TU BOARD REMOVAL 1 TU board KE-32TS2U(UC) 1-7
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1-8. H1 BOARD REMOVAL 2 Two screws (+BVTP 3x12) 1 Screw (+BVTP 3x12) 3 H1 earth plate 4 H1 board KE-32TS2U(UC) 1-8
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1-9. H2 BOARD REMOVAL 1 Three screws (+BVTP 4x16) 3 Insulation panel H 2 Four screws (+PSW 3x6) 4 H2 board KE-32TS2U(UC) 1-9
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1-10. SWITCHING REGULATOR REMOVAL 1 Eight screws (+PSW 3x6) 2 Switching regurator KE-32TS2U(UC) 1-10
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1-11. PLASMA DISPLAY PANEL REMOVAL 1Screw (+BVTP 4x16) 1 Screw (+BVTP 4x16) 2 Plasma display panel KE-32TS2U(UC) 1-11
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SECTION 2 ADJUSTMENTS 2-1. White Balance Adjustment The service mode is not displayed in the normal state. It is displayed by 1. Set the service mode then select White Balance menu. entering a pass code. 2. Select Large in the Window menu to output an internal adjustment sig- All hidden menus are displayed when you enter the pass code below. nal. The uppermost item of the displayed menus is the service mode menu. 3. Set the color temperature to "High". 4. Adjust the white balance
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2-2. Calibration Adjustment of A/D Converter and Video Coder 2-2-3. Component AD adjustment 2-2-1. Preparation for adjustment 1. Input All white 90 IRE signal of 1080/60i to the component input termi- 1. Set [RGB MODE] of the Custom Setup menu in the service mode to nal. [Other]. 2. Adjust the Sub Contrast (YUV), that is, adjust the detection value of G to 2. Set the [Cal Mode] of the AD Converter in the service mode to [ON]. the set value. 3. Set the image quality mode to AV professional standa
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2-2-4. Video AD adjustment 2-2-5. Video coder input adjustment 1. Set the image quality mode to the AV professional standard state. 1. Input All white 30 IRE signal of SECAM to the video input terminal. Set the dynamic picture to OFF. 2. Select BY Adj from the Chroma decoder menu. 2. Set the input to Video, then input All white 90 IRE signal of NTSC to the 3. Adjust the BY Adj (SECAM), that is, adjust so that the detection value video input terminal. of B is the same as that of G. 3. Adjust the
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2-3. Adjustment of sub-color and sub-hue 1. Input an NTSC SMPTE 75% color-bar signal to VIDEO 1. 2. Set the image quality to the AV professional standard state. 3. In the service mode, put the unit into the Blue Only mode. 4. Adjust the NTSC sub-color and sub-hue while viewing the screen. Set the Sub-color value to 8 and adjust the C Out level so that the bright- ness of (1) and (A) is equal to each other and that of (4) and (D) is equal (1) (2) (3) (4) (A) (B) (C) (D) to each other. Then adjust
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SECTION 3 DIAGRAMS 3-1. BLOCK DIAGRAMS CN102 GND 1 5V-3 GND 2 AN5V 3 IC2 AN5V 4 COLOR DECODER IC403 GND 5 RR0 34 BUFF C_SIG 6 43 C2 Cr OUT 23 139 R/CRIN1 Q28 A RR7 41 GND 7 TO Y_SIG 8 44 CVBS/Y2 2124 Q BOARD BUFF RL0 GND 9 Cb OUT 22 124 B/YIN1 22 CN3001 Q29 RL7 3128 VID_SIG 10 1 CVBS/Y1 IC5 GND 11 BR0 5660 BUFF Y OUT 21 1 3 133 B/CBIN1 Q23,24,30 Q9,12,14 BR7 5864 COM.Y 5 COMB Y 2 FL3 BUFF BL0 4551 Cr1 17 141 R/CRIN2 Q33 R/V BL7 4953 Q5,13 COM.C 7 COMB C/FORCED FL2 5V-3 7881 GR0 BUFF Y1 19 126 G
