PRINTED WIRING BOARDS (P.W.B.) (VIEW FROM SOLDER SIDE)
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| VIDEO & SIGNAL BOARDS CIRCUIT DIAGRAM |
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K |
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| TO MAIN T502 |
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| VIDEO BOARD |
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| H.V | ||
| (TO MAIN BOARD B501) |
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| ! | ||||
| W802 | +7V(Heater) |
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| 4 |
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| SK801 | CRT | |
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| 3 |
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| R | H.V |
| 2 |
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| G | |
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J | 1 | +190V(Video) |
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| B |
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| C802 |
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| H |
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| H |
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| 2.2uF |
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| L801 | R802 | L802 |
| R807 |
| L803 | 250V | R812 |
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| D804 | 2.2K |
| D806 | 2.2K |
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| D808 | 2.2K |
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| 1/2W |
| 1/2W |
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| 1/2W |
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| C801 | C807 |
| BYT52M |
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| BYT52M |
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| BYT52M |
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| R801 |
| R806 |
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| R811 |
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| 100uF | open |
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| 16V |
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| 8.2K |
| 8.2K |
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| 8.2K |
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| VR801 |
| 3W | VR803 | 3W |
| VR805 |
| 3W |
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I |
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| 5K |
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| 5K |
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| 5K |
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| Q802 | D805 |
| Q804 | D807 |
| Q806 |
| D809 |
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| 2SC2688 | BYT52M |
| 2SC2688 | BYT52M |
| 2SC2688 |
| BYT52M |
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| FOCUS1 |
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| R805 | Q801 |
| R810 | Q803 |
| R815 | Q805 |
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| TO MAIN T502 |
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| 2SC1815 |
| 2SC1815 |
| 2SC1815 |
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| TO MAIN T502 | |||
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| 1K |
| 1K |
| 1K |
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| 1/4W |
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| 1/4W |
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| 1/4W |
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| SGP801 | SGP803 | SGP802 | SGP805 | G2 (SCREEN) |
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| 0.75pF | R816 | |||
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| R803 | R804 | R821 | R808 | R809 | R822 | R813 | R814 | R823 |
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| 250V | 250V | 250V | 1KV | |
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| 220K | |||||||||
H |
| 3.3K | 100 ohm |
| 3.3K | 240 ohm |
| 3.3K | 100 ohm |
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| D803 | 1/2W | |||||||
| 1/4W | 1/4W |
| 1/4W | 1/4W |
| 1/4W | 1/4W |
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| W801 |
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| C803 |
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| C804 |
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| C805 |
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| 1N4003 |
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| 1 | +8V | VR802 | 561pF |
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| 561pF |
| VR804 | 561pF |
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| SGP804 | C806 |
| 2 |
| 300 ohm | CC |
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| CC |
| 300 ohm | CC |
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| 0.75pF | 103pF |
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| 1KV | 1.5KV | |||
| 3 | RIN |
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| CC | |
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4GIN
5BIN
G(TO MAIN BOARD B201)
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| YC201 | YC202 |
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| SIGNAL BOARD |
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| R208 |
| 1N4148 | C202 |
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| 220 ohm |
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| D201 |
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| Q201 |
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| R203 | 10uF |
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| 2SA1015 |
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| 25V |
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F |
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| Q205 | R206 | R258 |
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| 220 ohm |
| R201 |
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| 2SC1815 |
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| 1K | 1K |
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| 75 ohm |
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| R207 | C261 | R205 | R204 | C205 | R202 | C201 |
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| 220 ohm |
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| SWITCH | SWITCH |
| SWITCH |
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| 100uF |
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| (TO MAIN BOARD P201) |
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| 1K | 0.033uF | 2.2K | 680K | 16V | D202 | 10uF |
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| IC701 | IC202 |
| IC201 |
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| 100V |
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| 25V |
| R209 |
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| BA7612N | BA7612N |
| BA7612N |
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| MEMB |
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| 1N4148 |
| C206 |
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| P201 |
| 1 | 1 |
| 1 |
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| 4.7K |
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| 1 |
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| 0.22uF |
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| 63V |
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| 2 |
| 2 | 2 |
| 2 |
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| MEMB |
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E | 3 |
| 3 | 3 |
| 3 |
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| R210 |
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| 4 |
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| R221 |
| D205 |
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| 75 ohm |
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| 5 | 5 |
| 5 |
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| 220 ohm |
| C209 |
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| Q203 |
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| 1N4148 |
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| 6 | 6 |
| 6 |
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| R216 | 10uF | BNC201 | BNC202 |
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| 2SA1015 |
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| 25V |
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| 7 | 7 |
| 7 |
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| Q206 |
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| 220 ohm |
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| R219 | R260 |
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| A |
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| R211 |
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| 2SC1815 |
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| 8 |
| 8 | 8 |
| 8 | Q202 |
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| 1K | 1K |
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| 10K |
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| R257 |
| R708 | 2SC1815 |
| D203 |
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| R220 | C263 | R218 | R217 | C212 | R215 | C208 |
| R214 |
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| 1N4148 |
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| 220 ohm |
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| 47 ohm |
| 47 ohm |
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| 100uF |
| 75 ohm |
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| 1K | 0.033uF | 2.2K | 680K | 16V | D206 | 10uF |
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D |
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| C207 |
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| 100V |
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| 25V |
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11 |
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| MEMB |
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| 1N4148 |
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| C705 |
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| 0.22uF |
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| R213 R212 | 63V |
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| 100uF | C704 | C220 | R256 | R709 | MEMB D204 |
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| 16V | 2.7K 10K |
| 1N4148 |
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| 0.1uF | 0.22uF | 47 ohm | 47 ohm |
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| 105 |
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| CC | 63V |
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| MEMB |
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| R229 |
| D207 |
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| 220 ohm |
| C214 |
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| Q204 |
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| 1N4148 |
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| D702 |
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| D705 |
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| D701 |
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| R224 | 10uF | BNC203 | BNC204 |
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| C702 | RCA705 | C703 |
| RCA703 | C701 |
| RCA701 |
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| 2SA1015 |
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| 25V |
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| 1N4148 | 1N4148 |
| 1N4148 |
| Q207 |
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| 220 ohm |
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C | 10uF |
| 10uF |
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| 10uF |
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| B |
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| 25V |
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| 25V |
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| 25V |
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| 2SC1815 | R227 | R259 |
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| 1K | 1K |
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| R704 |
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| R706 |
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| R702 |
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| R223 |
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| 220 ohm |
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| 220 ohm |
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| 220 ohm |
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| R228 | C262 | R226 | R225 | C217 | C213 |
| R222 |
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| 220 ohm |
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| R703 | B |
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| R705 | A |
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| R701 | Y/C | 100uF |
| 75 ohm |
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| D704 | D706 |
| D111 |
| 1K | 0.033uF | 2.2K | 680K | 16V |
| 10uF |
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| 8.2K |
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| 8.2K |
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| 8.2K |
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| 100V |
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| D208 | 25V |
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| 1N4148 |
| 1N4148 |
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| MEMB |
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| 1N4148 |
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B |
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| L8MW5_VIDEO&SIGNAL | |
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| NOTE : THE UNIT OF RESISTANCE "OHM" IS OMITTED ( K=1000 OHMS AND M=1000K OHMS ) . |
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| ALL RESISTOR ARE "1/6W" AND "5%" UNLESS OTHERWISE NOTES . |
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| ALL CAPACIRORS RATING ARE "50V" UNLESS OTHERWISE NOTES . |
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A |
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| ! | : EFFECT |
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K
J
I
H
G
F
E
D
C
B
A
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
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C5