File name DBTV1341SM.pdfDBVT1341 Series A
SERVICE MANUAL
COLOR TELEVISION/VIDEO CASSETTE RECORDER
ORIGINAL MFR'S VERSION B
Design and specifications are subject to change without notice.
DBVT1341
SERVICE MANUAL
COLOR TELEVISION/VIDEO CASSETTE RECORDER
REVISION 1 MFR'S VERSION B
MFR'S VERSION A B
IC4001 LA71200M-MPB LA71201M-MPB
Please file this revision with the original version.
CORRECTION NOTICE
MFR'S VERSION A REF.NO. PCB010 INCORRECT DESCRIPTION SYSCON PCB ASS'Y VMX210A REF.NO. PCB800 CORRECT DESCRIPTION SYSCON PCB ASS'Y VMX210A
Change of IC
ELECTRICAL REPLACEMENT PARTS LIST
MFR'S VERSION A REF. NO. IC4001 R1085 R4018 R4021 R4034 R4044 R4050 R4052 R4053 C4050 PCB800 R903N8822J RC R903N8273J RC R903N8104J RC R801R7104J RC R903N8473J RC R903N8682J RC R903N8562J RC E50HU5010M CE 8.2K OHM 1/8W 27K OHM 1/8W 100K OHM 1/8W 100K OHM 1/10W 47K OHM 1/8W 6.8K OHM 1/8W 5.6K OHM 1/8W 1 UF 50V R903N8822J RC R903N8682J RC PART NO. I03F3200M0 IC DESCRIPTION LA71200M-MPB PART NO. I03F301MN0 IC R801R7225J RC R903N8123J RC R903N8223J RC R903N8823J RC R801R7474J RC MFR'S VERSION B DESCRIPTION LA71201M-N-MPB 2.2M OHM 1/10W 12K OHM 1/8W 22K OHM 1/8W 82K OHM 1/8W 470K OHM 1/10W DEL 8.2K OHM 1/8W 6.8K OHM 1/8W
A57805A01A SYSCON PCB ASS'Y VMX210A
E50HU5R22M CE 0.22 UF 50 V SYSCON PCB ASS'Y (MFR'S VERSION) A57805A010 VMX210A
SYSCON PCB's are interchangeable.
PRINTED CIRCUIT BOREDS SYSCON/CRT (INSERTED PARTS) (CHIP MOUNTED PARTS)
SOLDER SIDE
(MFR'S VERSION B)
SOLDER SIDE
(MFR'S VERSION B)
ADD W261
ADD R1085
A
FROM/TO TV POWER DEGAUSS_H POWER_FAIL2 P.CON+5V GND AT+12V MOTOR_GND H_GND TV_POWER_H CYL/LOADING MOTOR DRIVER IC1004 LB11880
B
C
D
E
F
G
H
MICON SCHEMATIC DIAGRAM
OSD_R OSD_G TONE_CTL OSD_BLK OSD_B CENTLED CAP_CTL CYL_DRIVE C1065 Y/C_DATA V.REC_ST_H Y/C_CLK 100P CH REEL_S REEL_T SDA Y/C_CS SCL 0.1 F C1028 0.1 F C1071
(SYSCON PCB) (MFR'S VERSION B)
SD_SYNC C1056 0.1 F SERVICE TP1001 NC R1032 10K
8
8
R1007
R1036 4.7K
C1007 0.1 F 0 3.7
C1004 100P CH
R1035
22
10
C1034 R1031 0.1 F C1035 220P CH 7 C1031 0.001 B R1033 1K C1062 1 B 6 1K
R1028
30
R1038 220
R1042 220
GND PC OUT VCO IN CX C2 C1 W IN V IN U IN VCC RF M COM W OUT V OUT U OUT
FC VC VREG PG IN(+) PG IN(-) PG OUT1 PG OUT2 BFGO LVCC VREF X IN Y IN X OUT LGND Y OUT
B1001 BL01RN1-A63T6 CYL_DRIVE W919 P.CON+5V
R1021 10
1
1.0 2.5 5.0 2.6 2.6
C1067 100P CH
C1029
C1078 0.1 F
22K
R1029 4.7K
C1061 100P CH
0.0068 B
100P CH
FROM/TO Y/C/A/H.AMP Y/C_CLK Y/C_DATA Y/C_CS H.SW RENT_H SD_VIDEO ENV_DET VCR_A_MUTE 680P CH CTL+ R1034 1M CTLC_ROTARY DUMMY_V.SYNC 50 TAB_SW 5.2 0 0 0 0 2.6 2.5 L1001 2.2uH R1040 33K X-RAY_TEST C1046 20P CH R1005 2.7K C1047 18P CH FROM/TO CHROMA/IF HD VD C-RESET 8 X1001 12MHz C1048 18P CH C1049 22P CH X1002 32.768KHz C1050 20P CH RESET E/V_MASK RENT_H C1026 0.01 F C1040 18P CH AFT_M SCL SDA OSD_R OSD_G OSD_B OSD_BLK AT+5V_BACKUP AT+5V VCR_POWER_H TV_POWER_H SPOT_H V.REC_ST_H H.AMP_SW1 COMP SD_SYNC C1038
C1060
29
2
C1009 220P CH
C1010 220P CH
C1023 220P CH
28
R101 |