Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung TV CL-29K5MQ Chassis K16A(N CL-29K5MQ 14_Circuit Description
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Circuit Description
13. Circuit Description
13-1 Overall Block Description
* K16A is a typical analog CRT TV set adapted to New mutiple-function IC (UOC3).
UOC3 = UOC2 + Sound processor.
* Only IF block is out of UOC3 IC. (Split type)
* K16A have a good picture quality,called DNIe Jr. (Gamma & Dynamic skin tone)
Samsung Electronics 13-1
Circuit Description
13-2 Partial Block Description
13-2-1 Deflection Block Description
H-DRIVE
H.D.T H-deflection TR(ST2001H)
S-CASTLE
H.V
B+15V B-13.5V FOCUS
UOC3 FBT
VDP SCREEN
VDN V-deflection
V-Sync (LA78040)
D.Y
PIP MODULE
(TDA9488X)
* Deflection of K16A is same to a typical analog TV set.
* K16A line-up is only 21"F model, so it have not E/W and pin-coushion circuit.
13-2-2 Power Block Description
Switching IC 15V
SOUND AMP IC B+
(FREEW6750F)
EEPROM
8V
13V
BRIDGE DIODE IC-REG.(78R08) UOC3 IC
Mai n -Tr an s 3.3V
(15W:4950 Type) IC-REG.(78R33) KEY MATRIX
(7W:3942 Type)
H.D.T B+ PIP MODULE
DS9951
line-filter 6V 5V
IC-REG.(78R05) TUNER
14.5V
125V VERTICAL IC
Relay(Option) -13.5V
VIDEO AMP
AC Input FBT 180V
100~240Volts CRT HEATER
6.25Vrms CRT H.V,Focus,
Screen Vol.
* It is the Power circuit of K16A that emphasize sound output level.(15W,10W) so, we use SANKEN Power IC(STR-6750F).
* Main trans have 2pins for sound B+option.
* We use 2types Sound Amp.
(TDA7297SA can output over 10W+10W, TDA7266SA can output under 7W+7W)
* UOC IC need variety power supply, so we use 3type IC vol.regulator. (78R33,78R05,78R08)
13-2 Samsung Electronics
Circuit Description
13-2-3 Micom & Tuner Block Description
IF PIP MODULE
TUNER (TDA9488X)
(TDQ-6F/13F2S)
VIDEO-SAW SOUND-
(M3953) SAW AV1,AV2,S-VIDEO,MOMITOR OUT 5V
(M9370) S-CASTLE
5V 33V
CVBS OUT V_sync
V-IF S-IF CVBS1 CVBS2 Y C
R/L IN R/L IN R/L OUT
R/G/B
SCL/SDA (Y/Pb/Pr)
PIP CVBS OUT
UOC3 IC Y
(TDA 12005PQ/TDA 12015PQ) Pb COMPONE
CHROMA /SOUND/MICOM/DEFL ECTION Pr NT
(480i)
EEPROM
(24C16)
R/L OUT
SCL/SDA
SOUND AMP
5V TDA7297SA
(TDA7266SA)
KEY1 KEY3 5V 8V 3.3V 1.8V
SENCE SPEAKER
KEY1 MATRIX KEY3 MATRIX
HEAD-PHONE
(CH UP/DOWN, POWER KEY
VOL UP/DOWN, MENU) H-DRIVE/S-CASTLE
R/ G / B O U T
V-DRIVE/V-sync
* TUNER is non-LNA, F/S tuner for analog NTSC CTV.
* UOC3 IC include Micom, chroma, deflection and sound processor. (with DBX fuction),so IC line-up is simple.
* PIP, Component(480i) are switched at the PIP module, so it can't display sub-picture at the Component mode.
13-2-4 CRT Block Description
CRT
RK/GK/BK
VIDEO AMP DY HV
(TDA6108AJF)
B+180V Heater
SCREEN
FOCUS
R G B SENCE
UOC3 FBT
H.V
* R,G,B output from UOC3 IC is small, so we need high-output video amp(TDA6108AJF).
Samsung Electronics 13-3
MEMO
13-4 Samsung Electronics
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