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SER
SER
VICE MANUAL
VICE MANUAL
SER VICE MANUAL
VICE MANUAL
SER
SER
VICE MANUAL
MODEL
KV-21ME43
KV-21ME43
KV-21ME43
KV-21ME43
KV-21ME43
COMMANDER
RM-Y156
KV-21ME43
TRINITRON
TRINITRON
TRINITRON
TRINITRON
TRINITRON
BA-4D
BA-4D
BA-4D
BA-4D
BA-4D
CHASSIS
CHASSIS
CHASSIS
CHASSIS
CHASSIS
DEST
CHASSIS NO.
E
SCC-S55A-A
RM-Y156
® ® ® ® ®
COLOR TV
COLOR TV
COLOR TV
COLOR TV
COLOR TV
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Related Manuals for Sony TRINITRON KV-21ME43
Summary of Contents for Sony TRINITRON KV-21ME43
- Page 1 BA-4D BA-4D BA-4D VICE MANUAL VICE MANUAL BA-4D BA-4D SER VICE MANUAL VICE MANUAL VICE MANUAL CHASSIS CHASSIS CHASSIS CHASSIS CHASSIS MODEL COMMANDER DEST CHASSIS NO. KV-21ME43 KV-21ME43 KV-21ME43 KV-21ME43 KV-21ME43 RM-Y156 SCC-S55A-A RM-Y156 KV-21ME43 ® ® ® ® ® TRINITRON TRINITRON COLOR TV...
- Page 2 KV-21M43 AUTO VOLT 120-220V, Power Requirements 50/60 Hz Number of inputs/outputs Video 1 Vp-p 75 ohms unbalanced, sync negative. Audio Input 500 mVrms (100% modulation), impedance: 47 kilohms Audio Out More than 408 mVrms at the maximum volume settting (variable), More that 408 mVrms (fix), impedance: 5 kilohms Speaker Output (W) 3Wx2 Power Consumption (W)
- Page 3 Section Title Page — 3 —...
- Page 4 No. of Times Diagnostic Item Self-diagnostic Display/ Probable Cause STANDBY/TIMER Detected Symptoms Description Diagnostic Result Location LED Flashes Power does not turn on Does not light • Power cord is not plugged in. • Power does not come on. • Fuse is burned out (F601). •...
- Page 5 2 times 4 times 5 times LED ON 0.3 sec. LED OFF LED OFF 0.3 sec. 3 sec. STANDBY/TIMER LED Diagnostic Item Diagnostic Item Flash Count* Flash Count* Diagnostic Item Diagnostic Item Diagnostic Item Flash Count* Flash Count* Flash Count* T T T T T o Bring Up Scr o Bring Up Scr o Bring Up Screen...
- Page 6 Clearing the Result Display Clearing the Result Display Clearing the Result Display Clearing the Result Display Clearing the Result Display Channel 8 ENTER Quitting the Self-Diagnostic Scr Quitting the Self-Diagnostic Scr Quitting the Self-Diagnostic Scr Quitting the Self-Diagnostic Scr Quitting the Self-Diagnostic Screen IC301 IC541 IC001...
- Page 7 To Exposed Metal Parts on Set Trouble Light Ohmmeter AC Outlet Box Voltmeter (0.75 V) Cold-water Pipe Earth Ground — 7 —...
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- Page 12 Rear Cover Four Screws (BVTP 4x16) C Board A Board C Board Claw A Board — 12 —...
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Page 13: Removal Procedures
A Board Degaussing Coil Tension Spring (B) Tuner C Board before before before before before Deflection Yoke Four Tapping Screws Anode Cap Picture Tube Cushion WARNING: High voltage remains in the CRT even after the power is disconnected. To avoid electrical shock, discharge the CRT before attempting to remove the anode cap. - Page 14 Note: Note: Note: Note: Note: Purity Control Purity control corrects this area Disk magnets or rotatable disk magnets correct these areas (a-d) Blue Deflection yoke positioning corrects these areas Green — 14 —...
- Page 15 PURITY V. STAT Center dot BMC MAGNET R G B V.STAT magnet BMC magnet B G R R G B B G R R G B R G B B G R R G B — 15 —...
- Page 16 Display Channel 5 Sound volume Power ON a-d: screen-corner misconvergence Disp. Item (Item) Data SERVICE HSIZ FOCUS (FV) SCREEN (G2) SERVICE WRITE MUTING Green ENTER 170 VDC Pedestal Ground — 16 —...
- Page 17 T504 Ammeter 3.0 mA DC Range I ABL — 17 —...
- Page 18 Digital Multimeter Power Digital Ammeter Supply Multimeter 3mA DC Range 1SS119 1SS119 1SS119 1SS119 1SS119 Figure 1 — 18 —...
- Page 19 Channel 5 Display Sound volume Power ON Disp. Item (Item) Data MUTING POWER POWER MUTING SLEEP Service mode Write into memory SERVICE HSIZ DISPLAY TV/VIDEO DISPLAY Data up Service mode Item up Data down Item down Service mode ENTER JUMP Initialize ENTER MENU...
- Page 20 DATA ITEM FUNCTION RANGE INITIAL DATA AVERAGE DATA HSIZ HORIZONTAL SIZE ADJ. 0-63 HPOS HORIZONTAL POS. ADJ. 0-63 VBOW VRT LINE BOWING ADJ. 0-15 VANG VRT LINE BOW SLANT ADJ. 0-15 TRAP HORIZ. TRAPEZOID ADJ. 0-15 PAMP HORIZ. PIN DISTORTION ADJ. 0-63 CPIN SAME AS PAMP-SCRN TP/BTM...
- Page 21 DATA ITEM FUNCTION RANGE INITIAL DATA AVERAGE DATA SBAL SUB BALANCE 0-31 DISP O.S.D DISPLAY POSITION 0-127 PADJ POWER ADJUSTMENT 0-63 HCHM 0-255 HCLM 0-255 HCHS 0-255 HCLS 0-255 PVCH PVON PVLN 0-31 PVSB 0-255 PVLV 0-255 0-255 See ID Map below 0-255 See ID Map below 0-255...
- Page 22 R ON: ON (1) G ON: OFF (0) B ON: OFF (0) SERVICE DISP R ON: ON (1) G ON: OFF (0) B ON: OFF (0) SERVICE 1: ON 0: OFF White 1.50 + 0.1 Vpp 1.70 ± 0.05 Vp-p Black —...
- Page 23 Read From Memory SERVICE READ Green ENTER — 23 —...
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- Page 27 KV-21ME43 KV-21ME43 KV-21ME43 KV-21ME43 KV-21ME43 SECTION 6 6.2 CIRCUIT BOARD LOCATIONS 6.1 BLOCK DIAGRAM DIAGRAMS • When replacing parts shown in the table below, be sure to perform the related adjustments. &1 63 78 63($.(5 $8',2 6:,7&+ Part Replaced ( Adjustment ( ,& '((0 287...
- Page 28 KV-21ME43 KV-21ME43 KV-21ME43 KV-21ME43 KV-21ME43 [TUNING CONTROL, Y/C/J, POWER SUPPLY, DEFLECTION, TUNER/IF, AUDIO MTS] A A A A A BOARD LOCA BOARD LOCA BOARD LOCA BOARD LOCA BOARD LOCATION LIST TION LIST TION LIST TION LIST TION LIST A BOARD: IC301 CXA2133BS A BOARD: IC301 CXA2133BS A BOARD: IC301 CXA2133BS A BOARD: IC301 CXA2133BS...
- Page 29 KV-21ME43 KV-21ME43 KV-21ME43 KV-21ME43 KV-21ME43 A BOARD SCHEMATIC DIAGRAM A BOARD WAVEFORMS TV IN 4.9 Vp-p (H) 3.6 Vp-p (8MHz) 1.0 Vp-p (H) 4.2 Vp-p (H) 1.4 Vp-p (V) 2.0 Vp-p (H) 1.4 Vp-p (V) 8.6 Vp-p (V) 4.5 Vp-p (V) 3.4 Vp-p (H) 2.7 Vp-p (H) 3.0 Vp-p (H)
- Page 30 R,G,B DRIVE CRT DRIVE C BOARD SCHEMATIC DIAGRAM 2SA1091 2SC3209 2SD2137 2SC5426 2SD1292 2SD774 C BOARD WAVEFORMS 27V: TIGER KR G1 G4 HV CN1754 :PIN-J TAB(CONTACT) 148.4V p-p (H) 118.8V p-p (H) 122.5V p-p (H) 2SB709 2SD601A 2SC3311A 2SK2845 TO A BOARD T504 FV LETTER SIDE J1751 F GND...
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- Page 37 ! " " — 49 —...
- Page 38 NOTES: — 86 — — 50 —...