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Summary of Contents for Toshiba MV20Q41
- Page 1 FILE NO. 140-200502 SERVICE MANUAL COLOR TELEVISION/ VIDEO CASSETTE RECORDER MV20Q41 Jan.,2005 O...
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Page 2: Tv Block Diagram
TV BLOCK DIAGRAM V. OUTPUT IC IC401 LA78040N-E MICON/ IN/OUT/AV THERMAL PROTECTION Q602, Q603 Q606 AT+12V AT+5V_BACK UP REG. REG. AT+12V Q607 PUMP MICON/ Q601 Q604, Q605 H-CONTROL H_CTL TU_AUDIO IN/OUT/AV Y/C/AUDIO/ UNREG+8V REG. TU_VIDEO BUFFER HEAD AMP Y/C_AUDIO Q405 Q406 CHROMA/IF IC IC601 M61250BFP... -
Page 3: Y/C/Audio/Head Amp Block Diagram
Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM X4001 3.579545MHz Q4010 Q4012 BUFFER BUFFER Y/C/AUDIO/HEAD AMP IC IC4001 LA71206M-MPB-E VX01 TIMMING DRIVER 3.58M BPF2 CLAMP CP4001 CLAMP AUTO-BIAS Main CONV Y/C_CLK SP-CH2 (L) MICON/ SERAIL Y/C_DATA DECODER IN/OUT/AV SP_COM B-UP Y/C_CS SP-CH1 (R) C-LPF 3.58M BPF1 SYNC... - Page 4 MICON/IN/OUT/AV BLOCK DIAGRAM TIMER SYSCON MICON IC SW1001 IC1001 OEC7119A SYSTEM RESET IC RESET-L 1 OUT IC1003 TAB SW POWER FAIL2 XC61CN3102SR POWER_FAIL_L AT+5V X-OUT(12MHz) X1001 J4202 MSSEN-A P. CON+5V FRONT_AUDIO 12MHz X-IN(12MHz) MS_SEN A Q1009 XC-OUT(32KHz) X1002 J4201 FRONT_VIDEO 32.768KHz MSSEN-B XC-IN(32MHz)
- Page 5 PRINTED CIRCUIT BOARDS SYSCON/CRT (INSERTED PARTS) CD852 SOLDER SIDE Q804 C403 R802 W829 R450_1 TP801 CP354 R807 D412 D413 Q805 R808_1 R805 S830Y TP802 W854 W813 D409 R409_1 R655_1 R490 R820_1 W841 W103 W104 C801_2 R442_1 W216 S801 R816_1 CD853 Q806 CP851B C438...
- Page 6 PRINTED CIRCUIT BOARDS SYSCON/CRT (CHIP MOUNTED PARTS) SOLDER SIDE R352 C301 R353 Q1007 R359 R1011 Q4202 R1084 R1086 C4061 R4043 R4041 R4054 R1070 Q4012 R4042 C4041 R4026 R4038 C4043 R1025 R1035 Q4010 R1033 C1061 R1078 R1034 Q4009 R1021 R4051 C1062 IC1099_1 C1034 C1070...
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Page 7: Y/C/Audio/Head Amp Schematic Diagram
Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM (SYSCON PCB) BUFFER Q4012 2SC3052-T1 R4041 FROM AV 1.8K FRONT_VIDEO FROM TV POWER FRONT_AUDIO P.CON+5V W858 C4058 TO IN/OUT 6.3V C4059 Y/C_AUDIO 0.1 F Y/C_VIDEO R4038 C4061 680K 0.01 F FROM/TO MICON Y/C_CLK Y/C_DATA Y/C_CS V.REC_ST_H COMP OUT C4016 ALWAYS... -
Page 8: Micon Schematic Diagram
MICON SCHEMATIC DIAGRAM (SYSCON PCB) FROM TV POWER POWER_FAIL2 SERVICE P.CON+5V R1032 TP1001 C1056 0.1 F MOTOR+12V (MOTER GND) C1034 0.1 F R1029 FROM/TO Y/C/AUDIO/HEAD AMP 4.7K C1035 Y/C_CLK Y/C_DATA 220P CH Y/C_CS C1031 R1044 H.SW 0.001 B R1033 C1062 C1001 3.3K SD_VIDEO... -
Page 9: In/Out Schematic Diagram
IN/OUT SCHEMATIC DIAGRAM (SYSCON PCB) FROM CHROMA/IF AT+5V INT-MONI FROM/TO MICON B.OUT T-REC/PLAY LED SW IIC_OFF Q4202 RT1N141C-T1 REC LED SW(AI) REC_LED Q1007 RT1N141C-T1 FROM AV AT+5V FROM/TO TV POWER T-REC_LED FROM Y/C/AUDIO/HEAD AMP Y/C_AUDIO Y/C_VIDEO PCB010 DMD021 B.SIGNAL RECORD LUMINANCE SIGNAL CAUTION: DIGITAL TRANSISTOR TUNER VIDEO SIGNAL RECORD COLOR SIGNAL... - Page 10 AV SCHEMATIC DIAGRAM (AV PCB) TO Y/C/AUDIO/HEAD AMP FRONT AUDIO(L) TO CHASSIS J4202 AV1-09AD-4 FRONT_AUDIO CD853 FRONT_AUDIO CH012101 FRONT_VIDEO FRONT_VIDEO FRONT VIDEO J4201 TO IN/OUT AV1-09AD-3 AT+5V AT+5V FROM/TO SOND AMP SOUND+ SOUND+ SP_OUT SP_OUT HEADPHONE JACK J351 C382 MSJ-2000_AG TO MICON R380 REMOCON_IN...
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Page 11: Chroma/If Schematic Diagram
CHROMA/IF SCHEMATIC DIAGRAM (SYSCON PCB) FROM/TO MICON REG. Q606 11.0 W915 KTC3203_Y PROTECT AT+5V REG. AT+5V D608 Q603 AT+5V_BACKUP KTC3203_Y REG. REG. REG. SB140-EIC Q604 Q605 Q602 W801 KTD863_Y KTD863_Y KTC3203_Y OSD_R OSD_G W895 OSD_B C648 R669 OSD_BLK FROM/TO Y/C/AUDIO/HEAD AMP 0.22 TU_VIDEO CF604... -
Page 12: Sound Amp Schematic Diagram
SOUND AMP SCHEMATIC DIAGRAM (SYSCON PCB) CP354 SPEAKER CH121701 SP353 SP_OUT S08F52 8 OHM SOUND_GND CP352 SPEAKER CU123201 W809 SP351 SP_OUT S08F52 8 OHM SOUND_GND FROM/TO A/V SOUND+ SP_OUT FROM MICON R359 TV_A_MUTE R353 TV_POWER_H C301 0.012 FROM TV POWER SOUND+B SOUND_GND FROM CHROMA/IF... -
Page 13: Power Schematic Diagram
POWER SCHEMATIC DIAGRAM (SYSCON PCB) 5A 125V CAUTION :FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE 5A 125V (F501). ATTENTION :POUR UNE PROTECTION CONTINUE LES RISQUES D’INCEIE N’UTILISER QUE DES FUSIBLE DE MEME TYPE 5A 125V (F501). CP503 CD503 RE-H022TD-1130... -
Page 14: Deflection Schematic Diagram
DEFLECTION SCHEMATIC DIAGRAM (SYSCON PCB) V.OUTPUT IC IC401 LA78040N-E THERMAL PROTECTION PUMP UP 25.9 12.5 26.3 D402 1N4937 TO DY CP401 A1561WV2-A5P W840 S826Y R401 W857 R413 R416 FROM/TO CHROMA/IF S830X HS401_1 V_OUT 763WAA0162 V_FEEDBACK V801 W831 W807 A51LZM10X20N45 L401_1 W841 H.PLUSE R451... -
Page 15: Crt Schematic Diagram
CRT SCHEMATIC DIAGRAM (CRT PCB) TP801 R802 BLUE AMP Q804 2SC4217 132.5 12K 1W R807 2.7K 1/4W 104.1 132.5 132.8 R811 FROM CHROMA/IF TP802 CP851B (CP851A) C809 J801 ISHS53S B2013H02-10P R805 GREEN AMP 560P B Q805 2SC4217 132.1 12K 1W CUT_OFF CUT_OFF R808_1... -
Page 16: Interconnection Diagram
INTERCONNECTION DIAGRAM HALL MAIN ROTOR SENSOR COIL MAGNET FG SENSOR LOADING MOTOR HALL HALL M101 SWITCH LOGIC HEADPHONE JACK J351 CP1001 CAP_FG CAP_VCO FRONT AUDIO(L) FRONT VIDEO J4202 J4201 CAP/M/F/R I_LIMIT MOTOR_GND LD/CY_VCO CAP_CTL S101A LDM_CTL WHITE CAPSTAN DD UNIT ASS’Y AC120V_60Hz CYL_FG/PG M2001... -
Page 17: Y/C/Audio/Head Amp
WAVEFORMS Y/C/AUDIO/HEAD AMP MICON POWER ON 11 PB 1.0V 20µs/div 0.5V 20µs/div 0.5V 0.5ms/div POWER ON POWER ON 13 PB 100mV 0.1µs/div 0.5V 10ms/div 1.0V 5ms/div SOUND AMP POWER ON POWER ON 1.0V 10µs/div 10mV 20µs/div 200mV 2ms/div DEFLECTION 17 POWER ON 0.5V 1ms/div 1.0V 10ms/div 0.5V 5ms/div... - Page 18 WAVEFORMS 19 POWER ON 2.0V 20µs/div 20 POWER ON 200mV 20µs/div 21 POWER ON 50.0V 20µs/div 22 POWER ON 50.0V 20µs/div POWER ON 50.0V 20µs/div NOTE: The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram.