PANASONIC RX CS720 AND TEAC A 6100 – CIRCUIT DIAGRAM [SCHEMATIC]

 

Panasonic RX CS720 radio cassette portable stereo component system schematic

Used ICs:  AN7205, BA1442A, LA4598, BA1313L

TEAC A 6100 SCHEMATIC

LGP42-09LF, LGP42-09LH LCD TV Power board schematic using STR W6252, ICE2PCS06G, 2SK3797 - EAY57681301(FHD), EAY57681302(HD)

 

Electrical characteristics

Intermittent Operation stability test:  The switching regulator shall ON-OFF for 20,000 time at an interval of 10 sec at maximum load, after that electrical characteristics shall be satisfied.

Low temperature operation:  The switching regulator is left at the operating guarantee minimum temperature for 2 hours without applying electricity.  After that power shall be turned on, and then the electrical characteristics shall be satisfied.

Low temperature Storage test Leave at low temperature:  The switching regulator is left at minimum storage temperature for 96 hours or more.  Then the switching regulator is left at a room temperature and humidity for 1hour or more, after that electrical characteristics shall be satisfied.

Schematic

Connector voltages

Bottom and top view

LG 55LW5600-5700-6500, LG55LX6500, LG79UB9800, LG79UF7700 – T’Con board interconnections and voltage details

 

79UB9800 Interconnect

TV Models: LG 79UB9800, LG 79UF7700

PANEL P/N: EAJ62573301

Part Number:

T-con Board P/N: 6870C-0541B

DESC or Panel Sticker Number: (DESC: 79 UHD Curved Control)

Warning: Be sure to install the screws in the T-CON board before applying power. Damage to the board will occur.

PANEL TEST:  To run the Panel Test (Testing the T-CON without the Mainboard), simply unplug CN7_1 or CN7_2. Apply 12V to the Fuse F1 on the T-CON. Apply power to the set. (Backlights and Power Supply should already be working). T-CON outputs colour patterns on the screen. This test confirms the T-CON board, Power Supply (PSU), Panel and Backlights are working normally.

55LX6500 Interconnect

TV Models: LG 55LX6500

Part Number: EBU61004702

T-con Board P/N: EAX62110705(0)

DESC or Panel Sticker Number: LC550EUC-SCA1

55LW5700 Interconnect

TV Models: LG 55LW5600_5700_6500

PANEL P/N:

Part Number: 6871L-2603A

T-con Board P/N: 6870C-0369B

DESC or Panel Sticker Number: LC550EUF-SDF1 (DESC: V6 55 FHD 120Hz)

Warning:   T-Con board under shield. Be sure to reinsert screws before operating set with shield removed.   

  Panel Test:    To run the T-con “Panel Test”, remove the LVDS cables. Jump 12V to the 12V fuse. Jump VCC 3.3V to pin-44 on CN1. White, Red, Blue, Green and Black patterns show on screen.

LG LCD TV 55GA6400, 55LA9650, 55LA9700, 55LM4600-4700-6200, 55LM8600 - T’Con board interconnect and voltages details

 55GA6400 Interconnect

TV Models: LG 55GA6400

PANEL P/N: EAJ62271001

Part Number: 6871L-3269A

T-con Board P/N: 6870C-0444A

DESC or Panel Sticker Number: LC470DUE-SFR1

Warning:  Replace the screws when servicing the T-CON board with shields removed.

Note: Concerning Quick Start:  If Quick Start is turned on in the Options Menu, T-CON 12V will be available during STBY, but there will be no video to process. Also, no backlights.

PANEL Test:  To run the T-con “Panel Test”, remove the LVDS cable CN1. Jump 12V to the 12V fuse. Jump VCC 3.3V to pin-44 on CN1. White, Red, Blue, Green and Black patterns show on screen.

55LA9700 Interconnect

TV Models: LG 55LA9650 - 55LA9700

PANEL P/N: EAJ73589402

Part Number:

T-con Board P/N: 6870C-0467A

DESC or Panel Sticker Number: LC550EQD

55LM6200 Interconnect

TV Models: LG 55LM4600 - 4700_6200

PANEL P/N: EAJ62088501

Part Number: 6871L-2856C (Substitute: 6871L-2753M)

T-con Board P/N: 6870C-0401B

DESC or Panel Sticker Number: LC550EUE-SEF1 (DESC: 32/37/42/47/55 FHD TM120)

Warning:  Return the screws when servicing the T-con board with shields removed.

PANEL TEST: To run the T-CON “Panel Test”, remove the LVDS cables. Jump 12V to the 12V fuse. Jump VCC 3.3V to pin-44 on CN1. White, Red, Blue, Green and Black patterns show on screen.

55LM8600 Interconnect

TV Models: LG 55LM8600

PANEL P/N: AFB73409602 or EAJ62128801

Part Number: EBR61780501

T-con Board P/N: EAX64583702-1.0

DESC or Panel Sticker Number: LC550EUH-PEF1