Text preview for : MANUAL SERVICE MX5203MS 6.pdf part of POLYTRON ( INDONESIA ) MX5203MS It used STV2286H , AN5891K , TDA8174 , STB9NK70Z-1 Complete Service Manual in RAR file type.sent by [email protected]



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Service Manual BML Myanmar

PT.Hartono Istana Teknologi

Block Diagram Chassis BML Myanmar
HBCO

+5VA

HEATER,G2,FOCUS

+5VA

POWER IR KEY-1

HBDC
SAW SOUND

SIF PIF AGC

HBBA 1,2 R,G,B OUT 30,31,32 6,7 33 8 V.SYNC +185V V DRIVE +8V V I-CATH RGB AMP

SW.LEVEL OSC 8MHz

3 32

42

34

MVT

INTEGRATOR/ TUNING VOLTAGE

MVT IF
T U N E R TU101

IC701
31

H.SYNC V.SYNC 18 19

IF AMP AGC AGC

SAW PICTURE

MCU

VL VH UHF
BAND SELECT T701,T702,T70 3

VL VH UHF

MAV1 MAV2

13 14 16 6 11 7

20 40 41

P.IF AGC CVBS

5 13 47

S.MUTE PROTEKSI SDA SCL FS2 SOUND TRAP 5.5MHz

V. FEEDBACK

VERTICAL AMPLIFIER

IC 301
CVBS INT 18 44 R,G,B,OSD

42 ADC +12V +25V H SYNC. PROTEKSI 48 49 46 H.DRIVE H.PULSE BCL HORISONTAL DEFLECTION dan EHT H EHT HEATER ,G2 FOCUS

ONE CHIP

34,35,36,37, 11 56 20

VID-IN1

+25V L-IN1 B+(115V) +185V EXT-AUD IN FOR MONO SPECIFIKASI VCC IF 25,26,27 12 17

+12V

MIXER
R-IN1

14

52 51 45 53

SDA

SCL

AV - IN

+5V +8V +8V +5V

+5V

+14V

AUD RF-L 16 MAV1 MAV2 10 1

AUD RF-R AUDIO-L 12 R -IN 22 12

IC205
AUDIO-L AMP

L-SP

9 14

IC 201 IC SWITCH MC 14052BCP
5 15 2

IC 202
AN 5891K
13

AUDIO-L

L- IN

3 VOL DAN TONE CONTROL
AUDIO-R

R-SP

14

15 AUDIO-R AUDIO-R
AMP

SDA

SCL

+8V

IC204
+14V

AUD IN-1

AUD IN-2/ IF SW ACTIVE NOT USE MIXER

X
+50V
MUTE

240

POWER SUPPLY

B+(115V) 14V(u/SOUND) +14VA

T504 POWER

S.MUTE SW-OUT

+5VA T501 T502 +5V +8V T503

5