Sony KV-G14 Repair Tips 6

Only +9V Supply is Missing

Winding between pin no. 15-14 of T601 open or def., R612-R618 (0.47Ω), D605 (S3L20UF4), C610 (2200MFD/25V), R632-R609 (1Ω), IC521 (PQ09RE11), C523 (100MFD), +9V Supply line short.

Sony KV-G14 Repair Tips 5

Only +B/115V Supply is Problem

Winding between pin no. 13-11 of T601 open or def., D604 (30DF6FC8), C609 (100MFD/160V), +115V supply line short.

Sony KV-G14 Repair Tips 4

Power Supply Switching Problem

R601-R602 (1.8Ω), R617-R610-R636 (15K), R611 (0.1Ω), IC601 (STR-S6707) & related parts, 

Sony KV-G14 Repair Tips 3

IC601 (STR-S6707) Overheats or Blows off

IC601 (STR-S6707) & its mica insulation, C627 (680pf/2KV), C1633 (1000pF), C632 (470pF), C631 (4700pF), C604 (220MFD/400V), D601 (RBV-406H), D611-D610-D609-D607 (4 x D1NL20), C624 (1000MFD), C634 (470pf), R623 (100Ω), R625 (3K9), C623 (220MFD), C628 (470pF), IC603 (PC123F2) & related parts, IC602 (SE115N) & related parts, SRT T601, C630 (470pF), R616 (8M2), check other parts of power supply, check horizontal out-put section.

Sony KV-G14 Repair Tips 2

Set Dead,No output from power supply.

Mains wire, F601 (3.15A), On-off switch S601, Line filter T605, R601, R602 (1.8Ω ),  D601 (RDV-406H), C604 (220MFD/400V), R622 (0.33Ω/2W), R611 (0.1Ω), R617, R610, R636 (15K/3W), D 610 (D1NL20), C624 (1000MFD), R624 (18Ω), D607 (D1NL20), C623 (220MFD), IC601 (STR-6707) & related parts, T601 (SRT), check secondary side of T601, IC602 (SE115N) & related parts, IC603 (PC123F2) & related parts.

Sony KV-G14 Repair Tips 1

Set Dead, AC Fuse F601 (3.15A) Blows off

Main wire, on-off switch S601, C621(0.1MFD), line filter T605, PTC601, deg coil, C602(0.0047MFD), C605-C607-C603(4*4700pF), D601(R6707) & related parts.

LG-21FB3AB-TZR (horizontal deflection frequency increased)

Horizontal deflection frequency increased.

Solution: Replace R512

No Video,no raster,sound and display ok

Samsung CS-14 4s system ic number szm-173ev

Check: D204,D208,R420

Rowestar HK2172SS Low width

Rowestar HK2172SS Low width

Solution: Check the, R467, C467, L453, VD452, C457, L452, C456, york coil.

LG 21SA1RL-T8E No video, No Raster, Sound ok ,menu and volume display on the screen

Fault:No video,No Raster, sound ok. But when press button "menu","volume", "ch"  display on the screen 
Ic No: TDA12011PQ/N1F00
Model No:LG 21SA1RL-T8E
Chassi No: CW62E

Solution: Check these parts: R408, R415, R416, R417, R534, R547, R548, C530, C571, C572, D502, Q502

Sony KV-G14P2

Fault 1

Fault 2

Solution: Replace D306

LG: Model No: 21FC2RGE-TX Or 21FC2RGE-TZ

LG: Model No: 21FC2RGE-TX Or 21FC2RGE-TZ

Fault:  Low vertical height  

Solution: Replace Deflection York Coil 

Singer Silverline tv Model - SCT21N23NTC

Singer Silverline tv Model - SCT21N23NTC

Fault :Power on and standby after 2 seconds

1. Solution:Replace the memory ic (24C08).

Haier colour tv. Model 21FA18-T No Sound Picture ok but Distortion

No Sound Picture ok but Distortion

Step 1

Replace the C563 470uf 25v capacity

Step 2

Remove V602,V603 C2874 transistors. Now is sound ok.

Samsung Tv repair tips

Samsung Model No.: CS-21v10ML

Fault:

But when the increase the screen voltage, Display retaste  line full screen.

Replace the C225, 104pf 

Modern Remote Codes For Colour Television