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Sony KDL-22BX321 Service Manual

Lcd digital color tv
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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE MANUAL
MODEL NAME
KDL-22BX320
KDL-22BX320
KDL-22BX321
ORIGINAL MANUAL ISSUE DATE: 12/2010
REVISION DATE
12/2010
1/25/2011
11/7/2011
9-883-850-53
REMOTE COMMANDER
RM-YD065
RM-YD065
RM-YD065
CONFIDENTIAL
ELECTRICAL SERVICE MANUAL
INTERNAL ONLY
SUBJECT
Original Manual Release Date.
Added KDL-22BX320 MX/LA and KDL-22BX321 MX models. Reissue entire manual.
Added Accessories and Packing to Electrical Parts List. Replaced page 31.
AZ2-UK
DESTINATION
LEVEL
CONFIDENTIAL
US/CND
MX/LA
MX
LCD DIGITAL COLOR TV
CHASSIS
3

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Summary of Contents for Sony KDL-22BX321

  • Page 1 ORIGINAL MANUAL ISSUE DATE: 12/2010 REVISION DATE SUBJECT 12/2010 Original Manual Release Date. 1/25/2011 Added KDL-22BX320 MX/LA and KDL-22BX321 MX models. Reissue entire manual. 11/7/2011 Added Accessories and Packing to Electrical Parts List. Replaced page 31. LCD DIGITAL COLOR TV 9-883-850-53...

  • Page 2: Table Of Contents

    KDL-22BX320/22BX321 TABLE OF CONTENTS SECTION TITLE PAGE Safety-Related Component Warning ..................................3 Safety Check-Out ........................................5 SECTION 1: DIAGRAMS ........................................6 1-1. Circuit Boards Location ......................................6 1-2. Printed Wiring Boards and Schematic Diagrams Information ..........................6 1-3. Block Diagram ........................................8 1-4. Schematics and Supporting Information ................................9 A Board Schematic Diagram (1 of 16) ................................

  • Page 3: Safety-Related Component Warning

    KDL-22BX320/22BX321 SAFETY-RELATED COMPONENT WARNING There are critical components used in LCD color TVs that are important for safety. These components are identified with shading and mark on the schematic diagrams and the electrical parts list. It is essential that these critical parts be replaced only with the part number specified in the electrical parts list to prevent electric shock, fire, or other hazard.
  • Page 4 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-22BX320/22BX321...

  • Page 5: Safety Check-Out

    KDL-22BX320/22BX321 SAFETY CHECK-OUT The AC leakage from any exposed metal part to earth ground and After correcting the original service problem, perform the following from all exposed metal parts to any exposed metal part having a safety checks before releasing the set to the customer: return to chassis, must not exceed 0.5 mA (500 microamperes).

  • Page 6: Section 1: Diagrams

    KDL-22BX320/22BX321 SECTION 1: DIAGRAMS 1-1. CIRCUIT BOARDS LOCATION SWITCH UNIT 1-2. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS INFORMATION All capacitors are in µF unless otherwise noted. pF : µµF 50WV or All voltages are in V. less are not indicated except for electrolytics and tantalums. S : Measurement impossibility.
  • Page 7 KDL-22BX320/22BX321 REFERENCE INFORMATION Terminal name of semiconductors in silk screen printed circuit ( RESISTOR CAPACITOR : RN METAL FILM : TA TANTALUM Circuit Device Printed symbol Terminal name : RC SOLID : PS STYROL Collector : FPRD NONFLAMMABLE CARBON : PP POLYPROPYLENE Transistor Base...

  • Page 8: Block Diagram

    KDL-22BX320/22BX321 1-3. BLOCK DIAGRAM TUNER CLASS D AUDIO COMPOSITE OR COMPONENT 1 COMPONENT 2 ANALOG AUDIO OUT MT5388 HDMI 1 A/V DECODER OPTICAL AUDIO OUT A/V PROCESS HDMI 2 PC HD15 LVDS INVERTER USB2.0 LCD PANEL SWITCH UNIT IR RX 24V B+ AND CTL AC IN...

  • Page 9: Schematics And Supporting Information

    KDL-22BX320/22BX321 1-4. SCHEMATICS AND SUPPORTING INFORMATION A BOARD SCHEMATIC DIAGRAM (1 OF 16) INVERTER CONTROLLER POWER CONN. TCON_VCC 12V_SW +3V3_SW +3V3_SW DIMMING LAMP_ERR BL_ON/OFF R202 R202 — 1KR2J-1-GP 1KR2J-1-GP R203 R203 HI=ON 10KR2J-3-GP 10KR2J-3-GP R205 R205 BL_ON/OFF_2 BL_ON/OFF R206 R206 100R2J-2-GP 100R2J-2-GP 10KR2J-3-GP...

  • Page 10: A Board Schematic Diagram (2 Of 16)

    KDL-22BX320/22BX321 A BOARD SCHEMATIC DIAGRAM (2 OF 16) 12V_SW TP218 TP218 TPAD71-GP TPAD71-GP L216 L216 R216 R216 IND-6D8UH-103-GP IND-6D8UH-103-GP R218 R218 100KR2J-1-GP 100KR2J-1-GP SW _DDRV 10KR2J-3-GP 10KR2J-3-GP — DDRV 12V_SW +5V_SW R221 R221 EN2#B EN2# C216 C216 C217 C217 C218 C218 C219 C219...

  • Page 11: A Board Schematic Diagram (3 Of 16)

    KDL-22BX320/22BX321 A BOARD SCHEMATIC DIAGRAM (3 OF 16) FOR TUNER USE MAX:250mA 12V_SW +12V_AMP MAX:170mA G9117-50T43U-GP G9117-50T43U-GP IC262 IC262 — G1117T43UF-GP G1117T43UF-GP IC261 IC261 R261 R261 TP2125 TP2125 82KR2F-1-GP 82KR2F-1-GP R262 R262 82KR2F-1-GP 82KR2F-1-GP TPAD71-GP TPAD71-GP 12V_SW [11] 12V_SW _DROP_DET [11] 12V_AMP_DROP_DET +5V_SW...

  • Page 12: A Board Schematic Diagram (4 Of 16)

    KDL-22BX320/22BX321 A BOARD SCHEMATIC DIAGRAM (4 OF 16) AV1 & D6001 D6001 BAV99-4-GP BAV99-4-GP 100R2F-L1-GP-U 100R2F-L1-GP-U SCD047U16V2KX-1-GP SCD047U16V2KX-1-GP COMPONENT 1 I/P R6001 R6001 C6001 C6001 +5V_SW AV1_1 AV1 [11] — +3V3_SW SC1500P50V2KX-2GP SC1500P50V2KX-2GP C6002 C6002 -5V_ESD COMP_SOY1_1 COMP_SOY1 [11] CN6601 CN6601 R6003 R6003...

  • Page 13: A Board Schematic Diagram (5 Of 16)

    KDL-22BX320/22BX321 A BOARD SCHEMATIC DIAGRAM (5 OF 16) CN6151 CN6151 D6158 D6158 BZT52H-C6V8-GP BZT52H-C6V8-GP — ISP_C D6159 D6159 BZT52H-C6V8-GP BZT52H-C6V8-GP PC_5V ISP_D ISPSW L601 L601 VGA_R_1 VGA_R [11] D-SUB-15-22-GP D-SUB-15-22-GP NBQ160808T-800Y-N-GP NBQ160808T-800Y-N-GP R6156 R6156 C6154 C6154 — 68R2F-GP 68R2F-GP SCD01U50V2KX-1GP SCD01U50V2KX-1GP R6157 R6157...

  • Page 14: A Board Schematic Diagram (6 Of 16)

    KDL-22BX320/22BX321 A BOARD SCHEMATIC DIAGRAM (6 OF 16) IC6303 IC6303 RCLAMP0524P-GP RCLAMP0524P-GP HDMI INPUT_0 ( Connect to 5388 HDMI0 ) +PW R5V_0 HDMI_0CLK- HDMI_0CLK- +5V_SW L1#1 L1#8 HDMI_0CLK+ HDMI_0CLK+ L2#2 L2#7 R6040 R6040 CN6302 CN6302 SRN47K-2-GP-U SRN47K-2-GP-U HDMI_0D0- HDMI_0D0- 1KR2J-1-GP 1KR2J-1-GP L3#3 L3#6...

  • Page 15: A Board Schematic Diagram (7 Of 16)

    KDL-22BX320/22BX321 A BOARD SCHEMATIC DIAGRAM (7 OF 16) HCB1608KF-601T10-GP HCB1608KF-601T10-GP APLS TUNER L707 L707 MB_5V +5V_TUNER TDAU8-D03A C713 C713 C710 C710 C711 C711 C709 C709 C716 C716 BLM18HE152SN1D-GP BLM18HE152SN1D-GP TM701 TM701 — L705 L705 TUNER_CLOK TUNER_CLOK_1 MB_5V TUNER_SDA TUNER_SDA_1 L706 L706 T/P/RF_AGC BLM18HE152SN1D-GP...

  • Page 16: A Board Schematic Diagram (8 Of 16)

    KDL-22BX320/22BX321 A BOARD SCHEMATIC DIAGRAM (8 OF 16) VGA AUDIO IN — PHONE-JK386-GP-U PHONE-JK386-GP-U SC4D7U10V3KX-GP SC4D7U10V3KX-GP 39KR2J-GP 39KR2J-GP CN801 CN801 C801 C801 R801 R801 PC_LA PC_LA_1 VGAL_INA [11] SC4D7U10V3KX-GP SC4D7U10V3KX-GP 39KR2J-GP 39KR2J-GP C802 C802 R802 R802 PC_RA PC_RA_1 VGAR_INA [11] C803 C803 C804...

  • Page 17: A Board Schematic Diagram (9 Of 16)

    KDL-22BX320/22BX321 A BOARD SCHEMATIC DIAGRAM (9 OF 16) IC4001G IC4001G 7 OF 11 7 OF 11 IC4001A IC4001A 1 OF 11 1 OF 11 USB_PW R_EN0 [18] USB_PW R_EN0 USB_PWR_EN0 AIN0_L AE15 USB_PW R_ERR0 AB13 [10] COMP_L1 AIN0_L_AADC [18] USB_PW R_ERR0 USB_PWR_ERR0 AVSS12_PLL AIN0_R...

  • Page 18: A Board Schematic Diagram (10 Of 16)

    KDL-22BX320/22BX321 A BOARD SCHEMATIC DIAGRAM (10 OF 16) IC4001B IC4001B RDQM0 RA12 IC502 IC502 IC503 IC503 RDQM0 RA12 RDQM1 RA11 RDQM1 RA11 RDQM2 RA10 RDQ16 2_A0 RDQ0 1_A0 RN501 RN501 RN502 RN502 RDQM2 RA10 RDQM3 RDQ17 2_A1 2_A0 1_A11 RA11 RDQ1 1_A1 RDQM3...

  • Page 19: A Board Schematic Diagram (11 Of 16)

    KDL-22BX320/22BX321 A BOARD SCHEMATIC DIAGRAM (11 OF 16) IC4001E IC4001E 5 OF 11 5 OF 11 LVDS_PW R_ON LVDS_PW R_ON LVDS_PWRON TCON_RDY LVDS_CTRL1 LVDS_CTRL2 CN4152 CN4152 AO0N — AO0P AO1P AO1N AO2P TCON_RDY 100R2J-2-GP 100R2J-2-GP R4186 R4186 U_TCON_RDY_50 PTW O-CON30-3-GP-U PTW O-CON30-3-GP-U AO2N OCKP...

  • Page 20: A Board Schematic Diagram (12 Of 16)

    KDL-22BX320/22BX321 A BOARD SCHEMATIC DIAGRAM (12 OF 16) +3V3_SW +3V3_SW C4301 C4301 X4301 X4301 R4325 R4325 — OXTALI OXTALO [11] OXTALI OXTALO [11] SRN4K7J-8-GP SRN4K7J-8-GP RN4302 RN4302 R4304 R4304 XTAL-54MHZ-5-GP XTAL-54MHZ-5-GP OSDA0 [11] 10KR2J-3-GP 10KR2J-3-GP L4301 L4301 IC4301 IC4301 C4303 C4303 IND-D82UH-20-GP-U IND-D82UH-20-GP-U...

  • Page 21: A Board Schematic Diagram (13 Of 16)

    KDL-22BX320/22BX321 A BOARD SCHEMATIC DIAGRAM (13 OF 16) — IC4001J IC4001J MT5388-GP MT5388-GP — — R4451 R4451 DV33 AVDD12_HDMI AVDD33_HDMI AVDD33_AADC C4451 C4451 C4452 C4452 C4453 C4453 C4454 C4454 C4455 C4455 C4456 C4456 C4457 C4457 C4458 C4458 C4459 C4459 C4460 C4460 C4461 C4461...

  • Page 22: A Board Schematic Diagram (14 Of 16)

    KDL-22BX320/22BX321 A BOARD SCHEMATIC DIAGRAM (14 OF 16) — AMP_VDD +12V_AMP L8151 L8151 +3V3_SW +12V_AMP_1 — L8152 L8152 HCB3216KF-121T40-GP HCB3216KF-121T40-GP FUSE-5A24V-GP FUSE-5A24V-GP C8151 C8151 C8152 C8152 C8154 C8154 C8155 C8155 SPK_L+ IND-6D8UH-103-GP IND-6D8UH-103-GP C8156 C8156 SCD1U16V2KX-3GP SCD1U16V2KX-3GP SRN4K7J-8-GP SRN4K7J-8-GP C8158 C8158 RN8155 RN8155...

  • Page 23: A Board Schematic Diagram (15 Of 16)

    KDL-22BX320/22BX321 A BOARD SCHEMATIC DIAGRAM (15 OF 16) LINE_ROUT — C8317 C8317 R8313 R8313 14K3R2F-GP 14K3R2F-GP R8311 R8311 R8308 R8308 R8317 R8317 ROUT_1 ROUT_1_1 ROUT_1_2 ROUT_2 [11] AU_ROUT R8316 R8316 0R2J-2-GP 0R2J-2-GP 4K7R2J-2-GP 4K7R2J-2-GP 0R0402-PAD-1-GP 0R0402-PAD-1-GP C8319 C8319 15KR3J-L-GP 15KR3J-L-GP SC22U16V6MX-GP SC22U16V6MX-GP C8328...

  • Page 24: A Board Schematic Diagram (16 Of 16)

    KDL-22BX320/22BX321 A BOARD SCHEMATIC DIAGRAM (16 OF 16) 2SC3052-T112-1F-GP 2SC3052-T112-1F-GP R901 R901 Q901 Q901 R918 R918 LED_GREEN_POW ER_1 C_Q24 C_Q24 C_Q24 C_Q24 +3V3SB +3Vsb_keypad 0R0603-PAD-1-GP 0R0603-PAD-1-GP C901 C901 +3V3SB 470R2F-GP 470R2F-GP SCD1U16V2ZY-2GP SCD1U16V2ZY-2GP 10R2J-2-GP 10R2J-2-GP R903 R903 R904 R904 4K7R2J-2-GP 4K7R2J-2-GP OIRI [11] C904...
  • Page 25 KDL-22BX320/22BX321 A BOARD PWB’S NOT AVAILABLE KDL-22BX320/22BX321...

  • Page 26: Gd8 (Power) Board Schematic Diagram (1 Of 2)

    KDL-22BX320/22BX321 GD8 (POWER) BOARD SCHEMATIC DIAGRAM (1 OF 2) — — 10 L T C 4A H 250V FL102:2 NTC100 F101 FL101:2 12VA 3.3V_ON STBY_3.3V 12VA 12VA T3SB60 — 12VA AC_OFF_DET 12VA BD100 100K 1/10W J 12VA R192 BAS316 2K 1/10W J D181 PMBT4403 R188...

  • Page 27: Gd8 (Power) Board Schematic Diagram (2 Of 2)

    KDL-22BX320/22BX321 GD8 (POWER) BOARD SCHEMATIC DIAGRAM (2 OF 2) — — T201:4 CN201 2K 1/8W F R261 — 2K 1/8W F R277 10K 1/10W F 33.2 1/4W F R269 R201 BAS316 BL_ON D201 — 12K 1/10W F R270 BAS316 D202 TCON_VCC_5V DIMMER CN202...
  • Page 28 KDL-22BX320/22BX321 [POWER] [POWER] COMPONENT SIDE CONDUCTOR SIDE — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — KDL-22BX320/22BX321...

  • Page 29: H Board Schematic Diagram

    KDL-22BX320/22BX321 H BOARD SCHEMATIC DIAGRAM — H BOARD SCHEMATICS AND PWB’S ARE NOT AVAILABLE — — — — — — — — KDL-22BX320/22BX321...

  • Page 30: Switch Unit Schematic Diagram

    KDL-22BX320/22BX321 SWITCH UNIT SCHEMATIC DIAGRAM — — SWITCH UNIT SCHEMATICS AND PWB’S ARE NOT AVAILABLE — — — — — — — KDL-22BX320/22BX321...

  • Page 31: Section 2: Electrical Parts List

    KDL-22BX320/22BX321 SECTION 2: ELECTRICAL PARTS LIST Items marked with an asterisk are not stocked since they NOTE: The components identified by shading RESISTORS are seldom required for routine service. Expect some delay mark are critical for safety. Replace only • All resistors are in ohms when ordering these components.

  • Page 32: Appendix A: Encryption Key Components

    APPENDIX A: ENCRYPTION KEY COMPONENTS Encryption key components developed by Sony Corporation contain confidential information, and shall be handled under the non-disclosure obligations provided in the applicable agreement with Sony Corporation (and/or its subsidiary). As part of this agreement specific instructions must be adhered to whenever a Circuit Board containing encryption key components is repaired and/or replaced pursuant to the following: 1) In the service manual the Circuit Board(s) containing encryption key components shall be identified with a red outline and a .

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