User manual SANYO VMC8613B SERVICE MANUAL

[. . . ] Destination VMC-8613B The reason of change. A : Misprint E : Deletion B : Quality Reliability F : Addition SM5310559 U. S. A, Canada C : Standardization G : Multiple Use D : Design PRINTED WIRING BOARDS (P. W. B. ) (VIEW FROM SOLDER SIDE) FUNCTION P. W. B. The figure of FUNCTION P. W. B. So, please use this figure. L8MW5/US2 114 952 23 SANYO Electric Co. , Ltd. SM5310559-01 SAFETY PRECAUTIONS WARNING: Service should not be attempted by anyone unfamiliar with the necessary precautions for this recording or playback equipment. [. . . ] Rear Y/C terminals (AUDIO/VIDEO Y/C terminals) When the monitor Y/C selector button at the front of the monitor is pressed, the audio and video signals from the component which is connected to these terminals can be monitored. Y/C (Mini DIN 4 pin) terminal specification 4 2 4 2 IN OUT 3 1 3 1 Pin No. 1 2 3 4 Signal GND (Y) GND (C) Y C Fig. BOARD LOCATION VIDEO BOARD SIGNAL BOARD FUNCTION BOARD MAIN BOARD Fig. Supply power to the set and measuring instruments and allow to warm up for at least 30 minutes. NOTE Be sure to use a non-metallic driver for adjusting there VRs. A metallic driver can cause damage by shorting. Color analyzer Adjustment mode Over scan mode ADJUSTMENT ITEM CHECK B+ VOLTAGE TIMING PATTERN PATTERN GENERATOR MONOSCOPE PATTERN SETTING VR LOCATION ADJUSTMENT PROCEDURE TEST POINT : D910(-) DIGITAL VOLT METER VALUE 46. 0 ± 0. 5 VDC. HOLD DOWN VOLTAGE SETTING PATTERN GENERATOR MONOSCOPE PATTERN BRIGHT VR , CONTRAST VR and SHARPNESS VR TO MAX. BRIGHT VR , CONTRAST VR and SHARPNESS VR TO MAX. BRIGHT VR , CONTRAST VR and SHARPNESS VR TO MAX. BRIGHT VR , CONTRAST VR and SHARPNESS VR TO MAX. VR503 TEST POINT : ZD501(-) DIGITAL VOLT METER VALUE 8. 5 ± 0. 2 VDC. FOCUS ADJUSTMENT PATTERN GENERATOR MONOSCOPE PATTERN FBT FOCUS VR Adjusting FBT FOCUS VR to make csreen corner & center focus be identical. HORIZONTAL PHASE ADJUSTMENT PATTERN GENERATOR MONOSCOPE PATTERN VR401 Adjusting VR401 horizontal phase to make screen right and left symmetrize. VERTICAL LINEARY ADJUSTMENT PATTERN GENERATOR MONOSCOPE PATTERN VR302 Adjusting vertical linear control VR302 for equal spacing of lines between center extreme of scan. PINCUSHION ADJUSTMAN BRIGHT VR , PATTERN GENERATOR CROSS HATCH PATTERN CONTRAST VR and SHARPNESS VR TO MAX. PATTERN GENERATOR MONOSCOPE PATTERN BRIGHT VR , CONTRAST VR and SHARPNESS VR TO MAX. BRIGHT VR , CONTRAST VR and SHARPNESS VR TO MAX. VR304 Adjusting VR304 to make pincushion distortion be identical. VERTICAL CENTER ADJUSTMENT VR303 Adjusting VR303 to make screen up & down symmetrize. VERTICAL SIZE ADJUSTMENT PATTERN GENERATOR MONOSCOPE PATTERN VR301 Adjusting VR301 to make screen V-size to level wide3/4. ­7­ ADJUSTMENT ITEM TILT ADJUSTMENT TIMING PATTERN PATTERN GENERATOR MONOSCOPE PATTERN SETTING BRIGHT VR , CONTRAST VR and SHARPNESS VR TO MAX. BRIGHT VR , CONTRAST VR and SHARPNESS VR TO MAX. VR LOCATION ADJUSTMENT PROCEDURE If screen slant and adjust DY to be not slant. WHITE BALANCE ADJUSTMENT PATTERN GENERATOR NO SIGNAL VR801, VR803, VR805, FBT FOCUS VR Adjust VR803 G-Bias to center. Adjust FBT screen VR make luminance without video to 0. 7 ~ 1. 5 FL. Adjust VR801 make X value is 0. 281 ± 0. 015. Adjust VR805 make Y value is 0. 298 ± 0. 015. PATTERN GENERATOR FULL WHITE VR804, VR802, Adjust VR501 make luminance with video BRIGHT VR , VR501 signal to 50 FL. CONTRAST VR Adjust VR804 make X value is 0. 281 ± and SHARPNESS 0. 015. Adjust VR802 make Y value is 0. 298 ± 0. 015. Dark, bright balance, repeat to adjust correctly X, Y value & luminance to constant. FBT SCREEN BRIGHT VR , VR CONTRAST VR and SHARPNESS VR TO MAX. VR501 BRIGHT VR , CONTRAST VR and SHARPNESS VR TO MAX. VR502 BRIGHT VR , CONTRAST VR and SHARPNESS VR TO MAX. [. . . ] +8V C931 470uF 16V C932 0. 1uF CC A Q208 2SC1815 11 +12V R322 1. 3M C301 272pF PEI C413 1uF 50V C302 0. 1uF 63V MEMB R415 8. 2K VR401 H-PHASE 10K Q403 DTC124ES R323 100K R302 18K R301 15K VR301 1K V-SIZE R303 68 ohm C303 2. 2uF 50V VR302 10K V-LIN R348 R305 1 ohm 1/2W NTSC FBI/SCO R304 36K C304 2200uF 25V B R920 150 ohm C909 561pF CC *C914 C907 100uF 35V 105 R922 0. 22 ohm 2W C922 1000uF 16V 14 C930 1000uF 16V R932 10 ohm 3W C221 0. 1uF 63V MEMB 12 13 14 I R402 15K C412 472pF PEI 8 ! R912 16K D908 1N4148 C911 0. 01uF 100V MEMB R915 47 ohm C910 0. 01uF R916 100V 560 ohm MEMB (-) R914 10K (+) C915 472pF 400V 4 3 1 2 R910 100 ohm ZD901 HZ22-1 R909 47 ohm 5 IC901 UC3842AN 4 R929 560 ohm R930 1K R931 1K C926 0. 22uF 63V MEMB R928 220 ohm SHARP CVBS EXT R924 43K CHROMA B+ +12V R232 15K D209 D210 D211 1N4148 1N4148 1N4148 FBT C222 10uF 50V C224 0. 47uF 63V MEMB 15 16 FBI/SCO CVBS EXT CHROMA BRI HOUT VSTART XTAL2 XTAL1 18 19 20 21 BOUT DET GOUT XTALOUT ROUT BYO 38 37 36 35 C411 R401 272pF 820K 100V PL C 1 H Q902 MCR100-6 R911 2K C913 0. 01uF 100V MEMB D907 1N4148 *C908 2 C912 0. 1uF 63V MEMB R917 47 ohm R913 1. 2K IC903 TLP721F ! IC902 K KA431 A R R233 1K R239 220 ohm R240 220 ohm R241 220 ohm 17 H H-SYNC 34 33 32 31 30 29 28 R908 10K VR901 500 ohm B+. ADJ R925 2. 2K BOUT GOUT ROUT R253 100K C235 472pF PEI C233 0. 001uF C234 0. 001uF C231 0. 1uF/PEI X201 3. 579MHz C236 0. 1uF 63V MEMB X202 4. 43MHz C237 15pF CC C238 20pF CC R414 4. 7 ohm C410 0. 1uF 63V MEMB +8V +5V NTSC VOUT +8V H-SYNC +5V +8V (TO VIDEO BOARD W801) B201 RGBIN BRI R236 100K Q211 DTC124ES R242 1K R243 220K C225 2. 2uF 50V C124 0. 1uF C123 0. 1uF C122 0. 1uF 63V MEMB 63V MEMB 63V MEMB RGBIN RYO RIN RYI GIN BYI BIN HUE CON PEI PEI G R101 47K R102 47K R158 47K R104 10K CONTROL IC101 NT68P61A 1 2 3 4 NTSC PAL MUTE H-SYNCI RESET 39 V-SYNCI 40 R155 10K C126 10uF 50V D112 1N4148 R161 150 ohm R134 47K R139 R156 47K 22K R132 2. 2K R160 2. 2K Q102 2SC1815 C228 220uF 10V D110 1N4148 R149 1M C127 223pF 100V PEI 22 23 24 25 26 1 2 VDD1 TST XTO XTI RESET VSYNC HSYNC GND VDD2 B G R FBLK GND SDA SCL 16 15 14 13 12 11 10 9 R141 180 ohm R142 68 ohm R143 470 ohm R144 1K R145 12K R146 12K R147 12K D104 1N4148 D103 1N4148 D102 1N4148 D101 1N4148 VMUTE BOUT GOUT ABL ROUT COLOR RGBIN R252 360 ohm C230 0. 1uF CC G 1 2 3 4 SAND Vo(B-Y) Vo(R-Y) Vi(R-Y) SAT Vi(B-Y) 5 VP2 NC 6 7 NC *C129 GND2 IC IC 7 1 2 3 4 5 6 F D107 1N4148 R105 33K C101 1uF 50V C102 0. 1uF CC R127 120 ohm R130 390 ohm Q103 2SC1815 R157 33K C120 33pF CC C121 33pF CC C128 1uF 50V 8 C229 47uF 16V TINT TINT COLOR BRI CON T502 2 SHARP ZD201 HZ5C1 8 IC Q212 DTC124ES R248 2. 4K C227 220uF 10V C226 0. 47uF 63V MEMB IC202 TDA8361 C250 10uF 50V R249 5. 6K DELAY IC203 TDA4665 GND1 VP1 R136 10K Q105 2SC1815 12 15 13 11 16 14 10 Q101 2SC1815 5 R133 47K R140 47K X103 8M 3 4 C232 0. 1uF/PEI 27 NC NC 9 F FBI/SCO B+ +12V CON ABL H. B+ FBI/SCO +8V R128 2. 2K R129 2. 2K R131 2. 2K R166 2. 2K 5 VDD TINT GND OSCO COLOR BRI CON 38 37 36 35 34 33 32 31 30 29 28 INTE 27 26 25 24 23 22 21 R167 10K C103 220uF 16V 6 7 R126 10K R125 2. 7K R124 10K R123 2. 2K R122 360 ohm IC103 STV9427 OSD C104 33pF CC R106 1M X101 8M 8 OSCI ! FBT H. V E R107 10K R108 10K R109 10K R110 10K R111 10K R153 10K C105 33pF CC VOL 9 HSYNCO 10 VSYNCO 11 12 13 14 15 16 17 SCL 18 SDA 19 20 HALFHI HALFHO SHARP Q106 DTC124ES R165 10K Q107 2SC1815 C107 1000uF 10V C108 10uF 50V C109 10uF 50V C110 10uF 50V C111 10uF 50V C112 10uF 50V R712 6. 8K TO CRT FOCUS E R502 1. 2K 1/4W R511 100K R512 2. 2K VMUTE R710 1. 6K 1 5 4 2 9 3 +12V R404 4. 7K +8V(AUDIO) C706 0. 47uF 63V MEMB C708 1000uF 16V C707 0. 1uF PEI H-SYNC R403 22 ohm R713 +24V R406 20 ohm 3W C402 47uF 50V Q402 !2SC5296 T401 D402 BYT56J R405 47 ohm R409 47 ohm D403 BYT56J C405 0. 033uF 630V PPN 1 P401 1 2 TO VIDEO BOARD SCREEN TO VIDEO BOARD 10 6 L402 13uH 3 C501 R501 0. 22uF 1K 100V 1/4W MEF 9 C409 470uF 50V 7 D505 PG102R D501 PG104R R505 3 ohm 3W C503 22uF 250V C504 0. 1uF 63V MEMB C507 470uF 35V (TO VIDEO BOARD W802) B501 1 2 3 4 H-DY R410 150 ohm 1W C403 561pF 1KV CC 7 VR501 50K ABL R503 15K R504 6. 8K Q502 2SA733P C502 10uF 50V VR502 50K SUBCON D R154 10K R168 4. 7K W702 1 2 6 8 Q401 2SC4489 C401 0. 056uF PEI D TO IC701 SPEAKER TDA7056B AUDIO AMP R711 390 ohm R317 33K R319 12K R320 100 ohm 3W Q302 HSB649AC T301 R321 180 ohm 1/2W C404 1. 5uF 250V MEF 1 2 3 4 5 6 7 8 1 2 A R116 47K R150 10K R151 10K R120 10K R121 10K C125 0. 1uF CC EEPROM IC102 8 7 6 5 1 2 B R306 2. 7K C305 10uF 50V R316 1. 8K C314 VR304 0. 68uF 5K 63V MEMB PIN C C B101 (TO FUNCTION BOARD B103&B104) *B102 OPEN R115 47K Q301 2SC1815 R318 47 ohm R507 27K D502 1N4148 ZD501 R510 !HZ9C1 12K HOLD DOWN VR503 50K D109 Q503 PG102R 2SA733P Q501 2SC1815 CHROMA CVBS EXT +8V 10 11 1 2 3 4 5 6 7 8 9 8 R506 4. 7K D504 PG102R C 4 R508 12K (TO MAIN BOARD B101) B103 R114 10K 1 +5V 2 3 3 4 GND LED101 FUNCTION BOARD 24LC02B P201 (TO SIGNAL BOARD P201) C505 1uF 50V D503 1N4148 R509 33K C506 10uF 50V B B104 4 L8MW5_MAIN&FUNCTION B S108 Y/C 1 2 3 4 5 S107 B S106 A S105 OSD S104 UP S103 DOWN S102 SEQ S101 ENT NOTE : THE UNIT OF RESISTANCE "OHM" IS OMITTED ( K=1000 OHMS AND M=1000K OHMS ) . ALL RESISTOR ARE "1/6W" AND "5%" UNLESS OTHERWISE NOTES . [. . . ]