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Sony KV-XF34K94 Service Manual
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Sony KV-XF34K94 Service Manual

Sony KV-XF34K94 Service Manual

Trinitron color tv
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SERVICE MANUAL

MODEL
KV-XF34K94
http://cxema.ru
COMMANDER DEST. CHASSIS NO.
RM-962 Korean
SCC-U35C-A
PIC
MUTING
DISPLAY
POWER
MODE
MTS
VIDEO
TV
1
2
3
4
5
6
7
8
9
0
JUMP
ENTER
TV/VIDEO FREEZE
SWAP
PIP
MENU
PIP CH
FAVORITE
PIP CH
SOUND
MODE
SURROUND
WAKE UP
SLEEP
VOL
CH
CABLE
AUTO PROGR ADD/ERASE
TV
BG-3S
MODEL
COMMANDER DEST. CHASSIS NO.
TRINITRON
Self Diagnosis
Supported model
CHASSIS
COLOR TV
®

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Summary of Contents for Sony KV-XF34K94

  • Page 1: Service Manual

    Self Diagnosis Supported model SERVICE MANUAL BG-3S CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-XF34K94 RM-962 Korean SCC-U35C-A MUTING DISPLAY POWER MODE VIDEO JUMP ENTER TV/VIDEO FREEZE SWAP MENU PIP CH FAVORITE PIP CH SOUND MODE...
  • Page 2 CARBON PAINTED ON THE CRT, AFTER REMOVING THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE ANODE. THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. – 2 –...

  • Page 3: Table Of Contents

    KV-XF34K94 RM-962 TABLE OF CONTENTS Section Title Page Section Title Page SELF DIAGNOSIS FUNCTION 5. DIAGRAMS ........ 4 5-1. Block Diagram ............43 1. GENERAL ................ 8 5-2. Frame Schematic Diagram ........47 Circuit Boards Location .......... 51 2. DISASSEMBLY 5-4.

  • Page 4: Self Diagnosis Function

    KV-XF34K94 RM-962 SELF DIAGNOSTIC FUNCTION The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY/TIMER lamp will automatically begin to flash. The number of times the lamp flashes translates to a probable source of the problem. A definition of the STANDBY/TIMER lamp flash indicators is listed in the instruction manual for the user’s knowledge and reference.
  • Page 5 KV-XF34K94 RM-962 DISPLAY OF STANDBY/TIMER LIGHT FLASH COUNT 2 times 5 times Lamp ON 0.3 sec. Lamp OFF 3 sec. Lamp OFF 0.3 sec. STANDBY/SLEEP lamp Diagnostic Item Flash Count* +B overcurrent/overvoltage 2 times Vertical deflection stopped White balance failure 5 times * One flash count is not used for self-diagnostic.
  • Page 6 KV-XF34K94 RM-962 SELF-DIAGNOSTIC SCREEN DISPLAY For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be confirmed, it is possible to bring up past occurances of failure for confirmation on the screen: [To Bring Up Screen Test] In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below: [Screen display] / channel [5] / Sound volume [-] / Power ON...
  • Page 7 KV-XF34K94 RM-962 SELF-DIAGNOSTIC CIRCUIT IC301 IC001 IC003 Y/CHROMA JUNGLE SYSTEM MEMORY FROM IK-IN IO-8DAT B-DAT FROM O-LED [+B] Q604 C PROTECT IO-SDAT [V] Q509/507 [+B overcurrent ªOCPº] Occurs when an overcurrent on the +B(135) line is detected by Q604. If Q604 go to ON and the voltage to pin 18 of IC301 should go down when V.SYNC is more than seven...
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  • Page 12: Set-Up Adjustments

    KV-XF34K94 SECTION 3 RM-962 SET-UP ADJUSTMENTS • The following adjustments should be made when a complete Perform the adjustments in the following order : realignment is required or a new picture tube is installed. 1. Beam Landing • These adjustments should be performed with rated power 2.

  • Page 13: Convergence

    KV-XF34K94 RM-962 3-2. CONVERGENCE Preparation : • Before starting this adjustment, adjust the focus, horizontal size V. STAT and vertical size. • Minimize the brightness setting. • Provide dot pattern. (1) Horizontal and Vertical Static Convergence Center dot H. STAT VR V.
  • Page 14 KV-XF34K94 RM-962 Y separation axis correction magnet adjustment. Blue Neck assy Neck assy 1. Receive the cross-hatch signal and adjust [PICTURE] to [MIN] and [BRIGHTNESS] to [STANDARD] . 2. Adjust the Y separation axis correction magnet on the neck assembly so that the horizontal lines at the top and bottom of Blue the screen are straight.

  • Page 15: Focus Adjustment

    KV-XF34K94 RM-962 Rotate TLV-2 VOL (29”, 34”) on DY 3-3. FOCUS ADJUSTMENT Rotate TLV VOL (25”) on DY Adjust FOCUS control on the flyback transformer for the best XCV Rotate XCV Adj core on DY focus. YCH Rotate YCH VOL on DY...

  • Page 16: G2 (Screen) And White Balance Adjustments

    KV-XF34K94 RM-962 2. WHITE BALANCE ADJUSTMENT 3-4. G2 (SCREEN) AND WHITE BALANCE 1) Set to Service Mode (Refer Section 4-1: ADJUSTMENTS ADJUSTMENTS WITH COMMANDER). 1. G2 (SCREEN) ADJUSTMENT 2) Input white raster signal. 1) Set the PICTURE and BRIGHTNESS to normal.

  • Page 17: Circuit Adjustment

    KV-XF34K94 SECTION 4 RM-962 CIRCUIT ADJUSTMENTS 4-1. ADJUSTMENTS WITH COMMANDER Service adjustments are made with the RM-962 that comes with 1, 4 this unit. Select the adjustment item. ↓ a. ENTERING SERVICE MODE 3, 6 Raise/lower the data v alue.

  • Page 18: Adjustment Method

    KV-XF34K94 RM-962 4-2. ADJUSTMENT METHOD Item Number 00 of de vice GEO Use the same method for all Items. Use 1 and 4 to select the This explanation uses H-P osition as an example. 1. Select “GEO 00 HPS” with the 1 and 4 buttons.
  • Page 19 KV-XF34K94 RM-962 – 36 – http://cxema.ru...
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  • Page 21 KV-XF34K94 RM-962 – 38 – http://cxema.ru...
  • Page 22 KV-XF34K94 RM-962 ITEM INFORMATION No. OPB0 OP1 XTAL 4.43 XTAL 3.58 SECAM 2nd. Lang Item KV-XF34K94 APPLICABLE FOR XF-L (21" & 14") MODELS ONLY! No. OPB1 OP2 Item NICAM HDEV Thai Bil Dis Fav. DVD Input AV Input KV-XF34K94 AV Input...

  • Page 23: Picture Quality Adjustments

    KV-XF34K94 RM-962 4-3. PICTURE QUALITY ADJUSTMENTS BELL FILTER ADJUSTMENT SUB COLOR ADJUSTMENT 1. Input SECAM color -bar signal. 9 (not 2. Connect the dual-trace oscilloscope to CN303 pin 1. Input a NTSC color -bar . mounted). 2. Set to the f ollowing condition: 3.

  • Page 24: Picture Distortion Adjustment

    KV-XF34K94 RM-962 4-6. PICTURE DISTORTION ADJUSTMENT (1) PICTURE DISTORTION ADJUSTMENT (2) Item Number 00 – 0B H-TRAPEZOID (Rotate RV1801) GEO 0 HPS (H POSITION) GEO 1 HSZ (H SIZE) GEO 2 PAP (PIN AMP) GEO 3 TLT (TRAPEZIUM) GEO 4...
  • Page 25 KV-XF34K94 RM-962 MEMO ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○...
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  • Page 44: Exploded Views

    KV-XF34K94 RM-962 SECTION 6 EXPLODED VIEWS NOTE: • • Items marked " ∗ " are not stocked since Items with no part number and no The components identified by description are not stocked because they are seldom required for routine...

  • Page 45: Chassis

    KV-XF34K94 RM-962 6-2. CHASSIS r: 7-685-648-71 SCREW BVTP 3 × 12 p: 7-685-663-71 SCREW BVTP 4 × 16 REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK * A-1372-843-A H3 BOARD, MOUNTED * A-1343-628-A D2 BOARD MOUNTED...

  • Page 46: Picture Tube

    KV-XF34K94 RM-962 6-3. PICTURE TUBE r: 7-685-648-71 SCREW BVTP 3 × 12 127 133 REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK ! 1-419-293-11 X-4037-987-1 BEZNET ASSY 102-104, 106-109 COIL, DEGAUSSING 4-036-405-01 SPRING, COMPRESSION 4-069-493-02 CLIP, DGC...

  • Page 47: Electrical Parts List

    KV-XF34K94 SECTION 7 RM-962 The components identified by shading and mark ! are critical for safety. ELECTRICAL PARTS LIST Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK NOTE: • Items marked " ∗ " are not stocked since they •...
  • Page 48 KV-XF34K94 RM-962 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK C523 1-162-318-11 CERAMIC 0.001UF 10.00%500V C616 1-130-202-00 FILM 0.022UF...
  • Page 49 KV-XF34K94 RM-962 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK CN603 * 1-508-784-21 PIN, CONNECTOR (5MM PITCH) 1P...
  • Page 50 KV-XF34K94 RM-962 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK <CHIP CONDUCTOR> Q003 8-729-424-08 TRANSISTOR UN2111-TX Q004 8-729-421-22...
  • Page 51 KV-XF34K94 RM-962 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK R028 1-216-049-91 RES-CHIP 1/10W R320 1-216-065-91 RES-CHIP 4.7K...
  • Page 52 KV-XF34K94 RM-962 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK R527 1-216-001-00 RES-CHIP 1/10W R597 1-247-750-11 CARBON 1/2W...
  • Page 53 KV-XF34K94 RM-962 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK <RELAY> C1412 1-163-038-91 CERAMIC CHIP 0.1UF C1413 1-126-935-11...
  • Page 54 KV-XF34K94 RM-962 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK C3213 1-104-664-11 ELECT 47UF 20.00%25V C3284 1-115-339-11 CERAMIC CHIP 0.1UF...
  • Page 55 KV-XF34K94 RM-962 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK D1415 8-719-069-60 DIODE UDZS-TE17-9.1B L1406 1-414-856-11 INDUCTOR 10UH...
  • Page 56 KV-XF34K94 RM-962 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK R1439 1-216-295-91 SHORT R1498 1-216-025-91 RES-CHIP 1/10W R1441...
  • Page 57 KV-XF34K94 RM-962 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK R3253 1-216-061-00 RES-CHIP 3.3K 1/10W <TUNER> R3254 1-216-073-00...
  • Page 58 KV-XF34K94 RM-962 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK * A-1332-115-A C BOARD MOUNTED <JACK> ******************* J701 ! 1-540-071-22...
  • Page 59 KV-XF34K94 RM-962 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK R1824 1-249-435-11 CARBON 1/4W <DIODE> R1825 1-247-843-11 CARBON 3.3K...
  • Page 60 KV-XF34K94 RM-962 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK R2830 1-215-899-11 METAL OXIDE A-1241-346-A F BOARD MOUNTED...
  • Page 61 KV-XF34K94 RM-962 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK CN3904* 1-564-512-11 PLUG, CONNECTOR 9P R3922 1-249-421-11 CARBON 2.2K...
  • Page 62 KV-XF34K94 RM-962 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK C4341 1-104-665-11 ELECT 100UF 20.00%10V <CHIP CONDUCTOR> C4347...
  • Page 63 KV-XF34K94 RM-962 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK R4353 1-216-049-91 RES-CHIP 1/10W Q4371 8-729-230-49 TRANSISTOR 2SC2712-YG-TE85L...
  • Page 64 KV-XF34K94 RM-962 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK <CRYSTAL> Q5903 8-729-230-45 TRANSISTOR 2SC2458TP-YGR Q5904 8-729-119-76 TRANSISTOR 2SA1175TP-HFE...
  • Page 65 4-392-004-11 CLIP ***************************************************************** REMOTE COMMANDER ********************** 1-476-180-11 REMOTE COMMANDER (RM-962) 4-978-977-01 BATTERY COVER, REMOTE COMMANDER Sony Corporation English 2000FM70023-1 Sony Technology Malaysia Sdn. Bhd. Printed in Malaysia  9-872-212-01 Visual Entertainment of General Area 2000. 6 – 116 – http://cxema.ru...

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