KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523 WARNINGS AND CAUTIONS CAUTION These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock, do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so.
KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523 SAFETY-RELATED WARNING USE CAUTION WHEN HANDLING THE LCD PANEL When repairing the LCD panel, be sure you are grounded by using a wrist band. When installing the LCD panel on a wall, the LCD panel must be secured using the 4 mounting holes on the rear cover.
KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523 SAFETY CHECK-OUT LEAKAGE TEST After correcting the original service problem, perform the following safety checks before releasing the set to the customer: The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part 1.
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Due to the higher melting point of Lead Free Solder the soldering iron tip temperature needs to be set to 370 degrees centigrade. This requires soldering equipment capable of accurate temperature control coupled with a good heat recovery characteristics. For more information on the use of Lead Free Solder, please refer to http://www.sony-training.com KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523...
HLR2 Board HMS3 Board KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523 Figure 3-2. Board Layout for KDL-40EX520/40EX521/40EX523 WiFi Module (Only for EX523) BATV Board GE3 Board Switch Unit T-CON HLR2 Board HMS3 Board Figure 3-3. Board Layout for KDL-46EX520/46EX521/46EX523 Figure 1-3. KDL-46EX520/46EX521/46EX523 32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX5 1-2. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS INFORMATION All capacitors are in µF unless otherwise noted.
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KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523 Terminal name of semiconductors in silk screen REFERENCE INFORMATION printed circuit ( RESISTOR CAPACITOR Circuit Device Printed symbol Terminal name : RN METAL FILM : TA TANTALUM Collector : RC SOLID : PS STYROL Transistor Emitter : FPRD NONFLAMMABLE CARBON...
Human Sensor Main Speaker_Out_LR POWER_LED STBY_LED [D–510D] TIMER_LED REC_LED PIC_MUTE_LED OPAMP Audio [NJU72011RB] Main Power AMP Main Speaker_Out_LR [D–510D] SPEAKER X_FAULT AUDIO_MON X_AUDIO_MUTE2 X_SYSTEM1_RST X_AUDIO_MUTE1 Digital Video/TS/TMDS Digital Audio UART Panelless Analog Video Analog Audio Analog Signal KDL-32EX421/423, KDL-32/40/46EX520,521,523(U/C/LA) KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523...
KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523 BATV-P4.pdf 1/8/2011 6:03:12 PM BATV BOARD SCHEMATIC DIAGRAM (4 OF 12) P o r t i o n 1 DDR3_A0_HSS DDR3_A_DQ1_HSS — DDR3_A7_HSS DQL0 DDR3_A1_HSS DDR3_A_DQ0_HSS DDR3_A12_HSS DQL1 DDR3_A2_HSS DDR3_A_DQ6_HSS DDR3_+1.5V DDR3_A5_HSS DQL2 DDR3_A3_HSS DDR3_A_DQ7_HSS DDR3_A3_HSS DQL3 AJ10 DDR3_A_DQ0_HSS...
KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523 BATV BOARD SCHEMATIC DIAGRAM (5 OF 12) — — M_SCART1_CV — +5.0V_MAIN AUDIO IN/OUT VIDEO IN/OUT AVII_CV0 VFE_XO M_COMP2 AUDIO IN/OUT — AVII_CV1 VFE_XI C4000 6 . 3 V *C4043 CL4012 AVII_CV2 AAUO_L5 AAUI_L0 AAUO_L0P AAUO_LOP T u n e r I n C4001 6 .
KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523 GE3 BOARD SCHEMATIC DIAGRAM (ALL EXCEPT 32” MODELS) THE SCHEMATICS AND PWB ILLUSTRATIONS ARE NOT AVAILABLE FOR THIS BOARD — — — — — — — — — KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523...
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KDL-32EX421/32EX423/32EX520/32EX521/32EX523/40EX520/40EX521/40EX523/46EX520/46EX521/46EX523 HLR2 [IR/LED/SENSOR] COMPONENT SIDE D C B 3 2 1 JL105 JL106 C102 R130 R129 R127 R119 R118 R117 R135 C111 cam25 > E P G W < 6 5 4 R131 R112 VDR100 C N 1 0 0...
MUST BE RETURNED to Sony. b) and if the core charge is NOT covered under the product warranty, the defective un-repaired or modified board MUST BE DESTROYED.