Toshiba MW26G71 Service Manual - Page 94
Syscon/servo/timer, Schematic Diagram
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A B SYSCON/SERVO/TIMER 8 SCHEMATIC DIAGRAM (VCR PCB) FROM/TO REGULATOR 7 VCR_POWER_H GND MOTOR_GND P.CON+5V_VCR AT+5.6V D1006 11EQS04N W825 VCR_POWER_FAIL MOTOR+12V C1003 35V 330 YK 6 C1004 FROM/TO DECK 0.1 B CP3001 TMC-J12P-B2 1 CAP FG 2 CAP VCO R1038 1K 3 VCC 4 CAP.M/F/R 5 I LIMIT R1004 3.3K 1/4W CAP_F/R CAP_LIMIT 6 MOTOR GND 7 GND 5 8 LD/CY VCO 9 CAP CTL 10 LDM CTL 11 CYL FG/PG 12 CYL CTL R1037 1K CAP_CTL LDM_CTL CYL_CTL EOT SENSOR Q1002 ST-304L R1005 47K CENTER LED D1001 LTE-3271T-012A-O BOT SENSOR Q1001 ST-304L 5.1 5.1 0.4 0.4 EOT 4 BOT REC SAFETY SW SW1001 TAB_SW 270K R1002 270 1/4W R1003 LSA-1144EAU R1001 270K FF/REW_SW Q1004 KRC103SRTK 4.0 0.5 0 CENT_LED 3 2 1 A B G-15 C D E F G H 8 C1023 6.3V 220 YK C1001 L1001 0.0022 B 100uH R1007 10K Y/C_DATA VCR_CLK VCR_DA_OUT VCR_DA_IN Y/C_CS R1008 R1011 4.7K R1013 4.7K 4.7K R1051 22K SDA1 SCL1 Y/C_CLK 0.1 B V.REC_ST_H 220 R1027 R1028 0.1 B CYL_CTL REEL-S C1029 CAP_CTL REEL-T R1021 100 1/4W 33K 4.7K C1030 C1032 0.0033 B SERVICE TP1001 NC R1026 22K C1046 6.3V 47 KA C1045 0.0039 B R1017 1.2K 27 C1031 C1022 1B C1024 R1022 100 1/4W 22K R1025 0.0068 B 220P CH R1029 R1030 26 3.3K R1032 3.3K 0 0 2.6 2.6 2.6 0 0NC 0NC1.2 1.2 1.3 0 NC3.5 5.1 4.9 5.1 3.5 0 NC 0 NC 0 NC 0 NC 0 0 NC 0 1.6 1.5 2.0 4.9 0.1 5.0 DRUM PWM CAPSTAN PWM V REC ST-H NC NC IIC-SDA IIC-CLK Y/C CLK NC Y/C_DATA HOST_CLK HOST_DATA_IN HOST_DATA_OUT SUB_CS NC NC NC NC C.SYNC_IN NC NUA CVIN VHOLD HLF FF/REW_L 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 0 FF/REW-L CVIN 1.1 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 NC0 JACK SW1 0 OSC VSS R1023 4.7K NC0 ST_RESET FSCIN 2.3 VCR_CS 5.0 5.5 0 2.2 C1043 0 0.0039 B TAB_SW 0 C1042 1.3 C1033 2.5 0.0022 B C1041 6.3V 47 KA 2.5 R1036 50V 4.7 KA C1037 0.1 CTL- 10K CTL+ C1036 R1034 50V4.7 KA 2.5 560 C1039 R1035 2.5 560 2.5 0.001 B 25V 10 KA 2.5 5.1 HOST_CS POWER FAIL SECAM_IN CAPSTAN FG AMP VSS TAB_SW DRUM FG/PG AMP VREFOUT AMP VREFIN C CTL CTL + AMP C CTL AMP OUT AMP VCC 78 CAPSTAN FULL 79 REEL-S 80 REEL-T 1 MSSEN A 2 MSSEN B 3 EOT SYSCON/SOFTWARE/SERVO IC IC1001 OEC7122A OSD VCC 53 CVOUT 52 SERVICE1 51 SEG 7 30 SEG 6 29 REC MUTE H 28 LP 1.7 NUB 0 OEC_OUT 2.3 OSC_IN 2.3 CLKSEL 5.1 0 NC NC 0 NC NC VSS X OUT 2.3 X IN 2.0 VCC 5.1 NC 0 NC 0 RESET 5.1 0 T-REC LED BOT A.ENV V.ENV NC NC NC NC CAP_FWD CAP_LIMIT D.V SYNC NC COLOR ROTARY HEAD AMP SW ENV COM IN VH SW AH SW LDM CTL CENTER LED IIC OFF VCR POWER ON-H SEG 1 SEG 2 SEG 3 SEG 4 5.1 A VCC 0 REC LED C1040 0.1 B FF/REW_SW Q1010 KRC103SRTK 0 PERI_CTL_IN 1234 0 4.7 0 0.1 0.1 5.1 0 56 0 1.1 AUDIO MUTE-H 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 0 0 0 0 0 0.2 NC NC NC NC 0 0 NC5.1 5.1 5.0 2.5 2.5 5.0 5.0 0 5.0 0 NC 0 NC 0 NC 0 NC4.9 0 NC 0 NC H.SW TP1002 NC R1020 1K C1025 0.001 B C1012 1B C1059 0.1 B C1038 680P CH R1054 1M 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 NC NC CV_OUT R1053 1K 1/4W C1020 0.01 B R1012 33K 1/4W C1057 0.1 B C1019 R1006 1B 220 L1003 33uH C1021 R1031 FSC R1010 100P CH 330 C1015 1K C1018 0.01 B 0.0047 B C1011 L1002 2.2uH R1052 2.7K 20P CH C1010 18P CH C1014 X1002 28 18P CH 12MHz100CT01207 C1009 18P CH C1044 R1033 22K 6.3V 220 YK R1040 C1035 0.47 F C1047 18K 1/4W 25V 10 KA JG1001 JG1002 D1002 1SS133 0 5.2 5.2 3 2 1 GND IN OUT FROM/TO Y/C/A/HEAD AMP H.SW V.REC_ST_H DUMMY_V.SYNC Y/C_CLK Y/C_DATA Y/C_CS ENV_DET CTL+ CTLC_ROTARY H.AMP_SW1 COMP VIDEO_OUT VCR_A_MUTE FSC FROM/TO TUNER/AV CV_OUT FROM/TO TV MICON VCR_CS VCR_CLK VCR_DA_IN VCR_DA_OUT SCL1 SDA1 BUS_OFF VCR_POWER_H SYSTEM RESET IC IC1002 PST3231NR VCR_A_MUTE REC_MUTE_H C_ROTARY H.AMP_SW1 COMP H.SW HIFI_H.SW LDM_CTL CENT_LED BUS_OFF VCR_POWER_H R1024 22K1/4W 0.01 B C1026 DUMMY_V.SYNC CAP_LIMIT CAP_F/R FF/REW_L MSSW_A MSSW_B EOT BOT HIFI_ENV_DET ENV_DET ST_SELECT NC 4 0 NC NC 5 0 NC MSSW_B MSSW_A R1016 47K 1/4W R1018 120 1/4W R1019 47K 1/4W REEL-S REEL-T SCL1 SDA1 JG1004 JG1003 CAUTION: DIGITAL TRANSISTOR C R1009 33K 5.0 2 MS_SEN A Q1006 RPI-352C40N 5.0 3.8 3 2 5.0 3 1 3.8 4 1 4.9 2.6 4 1.4 2.4 1.2 1.2 0 21 21 MS_SEN B Q1003 RPI-352C40N R1015 34 5.0 0 34 5.0 0 REEL SENSOR-T Q1008 RPI-303 REEL SENSOR-S Q1009 RPI-303 EEP ROM IC IC1099_1 BR24L02F-WE2 5.2 0 5.0 4.9 8 7 6 5 SDA SCL TEST VCC VSS A2 A1 A0 1 2 3 4 0 0 0 0 C1013 33K C1016 0.001 B 0.001 B 100 1/4W C1008 0.001 B C1017 0.001 B R1014 NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE D NOTE:THE DC VOLTAGE EACH PART WAS MEASURED WITH THE DIGITAL TESTER DURING PLAYBACK. E F C1028 0.1 F FROM/TO IN/OUT AT+5V FROM/TO Hi-Fi REC_MUTE_H HIFI_ENV_DET HIFI_H.SW SCL1 SDA1 VCR_A_MUTE ST_SELECT PCB010 DME022 G H 7 6 5 4 3 2 1 G-16