SERVICE MANUAL BG-3S CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-PF14K70 RM-960 Korea SCC-U35B-A TRINITRON COLOR TV ® http://cxema.ru...
Page 2
CARBON PAINTED ON THE CRT, AFTER REMOVING THE LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE ANODE. COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT ARE CRITICAL TO SAFE OPERATION ARE IDENTIFIED IN THIS MANUAL.
KV-PF14K70 RM-960 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-PF14K70 RM-960 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-PF14K70 RM-960 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-PF14K70 RM-960 SELF-DIAGNOSTIC CIRCUIT IC301 IC001 IC003 Y/CHROMA JUNGLE SYSTEM MEMORY FROM IK-IN IO-8DAT B-DAT FROM O-LED [+B] Q604 C3 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 verticals in a period, the unit will automatically turn off.
KV-PF14K70 SECTION 3 RM-960 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.
KV-PF14K70 RM-960 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 H.
Page 13
KV-PF14K70 RM-960 (2) Dynamic Convergence Adjustment Preparation: • Before starting this adjustment, adjust the horizontal static convergence and the vertical static convergence on DY (3) Screen-corner Convergence Fix a Permalloy assy corresponding to the misconverged areas a-d : screen-corner misconvergence a to d : Permalloy assembly –...
KV-PF14K70 RM-960 3-3. FOCUS ADJUSTMENT 3-4. G2 (SCREEN) AND WHITE BALANCE Adjust FOCUS control on the flyback transformer for the best ADJUSTMENTS 1. G2 (SCREEN) ADJUSTMENT focus. 1) Set the PICTURE to normal. 2) Put to VIDEO input mode without signals. 3) Connect R, G and B of the C3 board cathode to the oscillo- scope.
KV-PF14K70 SECTION 4 RM-960 CIRCUIT ADJUSTMENTS 4-1. ADJUSTMENTS WITH COMMANDER Service adjustments are made with the RM-960 that comes with 1, 4 this unit. Select the adjustment item. ↓ a. ENTERING SERVICE MODE 3, 6 Raise/lower the data value. With the unit on standby ↓...
KV-PF14K70 RM-960 4-2. ADJUSTMENT METHOD Item Number 00 of device GEO Use the same method for all Items. Use 1 and 4 to select the This explanation uses H-Position as an example. [MUTING] 1. Select “GEO 00 HPS” with the 1 and 4 buttons. adjustment item, use 3 and 6 to adjust, write with 2.
Page 20
KV-PF14K70 RM-960 ITEM INFORMATION. No. OPB0 OP1 Item XTAL 4.43 XTAL 3.58 SECAM 2nd. Lang KV-PF14K70 No. OPB1 OP2 Item NICAM HDEV Thai Bil Dis Fav. DVD Input AV Input KV-PF14K70 No. OPB2 OP3 Item Pic Rot 2199 Cune Auto PIC Auto TV sys US ST AV Mono...
KV-PF14K70 RM-960 4-3. PICTURE QUALITY ADJUSTMENTS 4-4. A BOARD ADJUSTMENT AFTER IC003 SUB COLOR ADJUSTMENT (MEMORY) REPLACEMENT IC001 (µ-CON): CXP86449-628S 1. Input a NTSC color-bar. 2. Set to the following condition: 1. Enter to Service Mode. PICTURE 100%, BRIGHTNESS 50%, COLOR 50% 3.
KV-PF14K70 KV-PF14K70 KV-PF14K70 SECTION 5 RM-960 RM-960 RM-960 DIAGRAM 5-1. BLOCK DIAGRAM MAIN. TUVIF AUDIO TV V in TU101 TV L in PROSESSOR BTF-FA401 <slave: C0H> IC203 TDA7429L <slave: 80H> AUDIO OUT IC201 SP ASSY TA8248K CRT SOCKET R out R out RED OUT Mon out...
KV-PF14K70 KV-PF14K70 SECTION 6 RM-960 RM-960 EXPLODED VIEW NOTE: • • Items marked " * " are not stocked since Items with no part number and no des- The components identified by cription are not stocked because they they are seldom required for routine shading and mark ! are critical are seldom required for routine service.
KV-PF14K70 SECTION 7 RM-960 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 34
KV-PF14K70 RM-960 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 C302 1-163-005-11 CERAMIC CHIP 470PF 10.00%50V C537 1-126-969-11 ELECT 220UF 20.00%50V...
Page 35
KV-PF14K70 RM-960 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 C640 1-164-004-11 CERAMIC CHIP 0.1UF 10.00%25V D402 8-719-161-04 DIODE RD9.1SB-T1 C642 1-126-767-11...
Page 36
KV-PF14K70 RM-960 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 FB502 1-410-397-21 FERRITE 1.1UH JR404 1-216-295-91 SHORT FB600 1-410-397-21 FERRITE 1.1UH...
Page 37
KV-PF14K70 RM-960 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 Q305 8-729-230-47 TRANSISTOR 2SA1162-YG-TE85L R045 1-414-233-22 INDUCTOR CHIP 0UH Q306 8-729-230-47 TRANSISTOR 2SA1162-YG-TE85L...
Page 38
KV-PF14K70 RM-960 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 R316 1-216-053-00 RES-CHIP 1.5K 1/10W R518 1-247-807-31 CARBON 1/4W R317 1-216-077-91...
Page 39
KV-PF14K70 RM-960 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 R603 1-215-485-00 METAL 470K 1/4W <RELAY> R605 1-215-906-11 METAL OXIDE RY601 ! 1-755-214-11 R607...
Page 40
KV-PF14K70 RM-960 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 C716 1-126-933-11 ELECT 100UF 20.00%16V R710 1-216-486-00 METAL OXIDE 8.2K C717 1-102-106-00...
Page 41
KV-PF14K70 RM-960 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 ! 1-775-468-31 <RESISTOR> CORD, POWER (WITH CONNECTOR) ! 8-735-570-05 PICTURE TUBE (A34LRG70X) R4601 ! 1-202-719-00 SOLID...
Page 42
Replace only with part number specified. REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK Sony Corporation English 2000ES70025-1 Sony Technology Malaysia Sdn. Bhd. Printed in Malaysia 9-872-210-01 TV Business of General Area 2000.5 – 66 –...