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DP7501 VSL0505-B P :TO POWER SUPPLY/RF SECTION(Page:58) S :TO SYSTEM CONTROL & SERVO SECTION(Page:60) V :TO LUMINANCE & CHROMINANCE/AUDIO SECTION(Page:62) I :TO INPUT/OUTPUT SECTION(Page:64)
REC
VCR SAT CVC
P V C
R
18 19 20 21 22 23 24 25
REMAIN
ON OFF EPLPSP
F
S7505 VES0834 S SAFETY TAB L SEFETY TAB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
17
26
27
28
29
30
31
32
33
34
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36
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38
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43
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45
P HEATER(+) P HEATER(-) R7502 2K P FIP -29V P GND R7535 3300 R7503 2K C7502 50V10 D7521 MA4220
R7501 5.6
C7501 0.01
POWER S7510 EVQ11L07B
E
S POWER SW (HD647) -18.5 -24.2 -21.5 -23.0 -28.5 -19.5 -24.2 -28.5 -24.2 -24.2 24 P6 23 P5 A.DUB S7517 EVQ11L07B -23.0 33 SEG 10 32 SEG 11 31 SEG 12 30 SEG 13 29 SEG 14 28 SEG 15 27 SEG 16 26 SEG 17 25 P7 -24.2
R7556 12K
R7555 8200
R7504 5600 34 SEG 9 -23.0 35 SEG 8 36 SEG 7 37 SEG 6 38 SEG 5 39 SEG 4 40 SEG 3 41 SEG 2 42 SEG 1 43 SEG 0
P4 22 P3 21 P2 20 P1 19 P0 18 VEE 17 VEE 16 SCLK 15 SD OUT 14 SD IN 13 RESET L CS L 12 AN5 AN4 AN3 AN2 AN1 AN0
-24.2 -24.2 -24.2 -24.2 -28.5 -29.0 -29.0 4.4 4.2 4.4 2.4 R7517 100
P AN3 P AN2 R7509 8200 R7514 8200 REC/ OTR S7503 EVQ11L07B TIMER REC S7507 EVQ11L07B EJECT S7516 EVQ11L07B
-23.0 -27.5 -27.5 -23.0 -28.5 DIRECT TV REC S7509 EVQ11L07B -28.0 -21.5 -28.0 5.0
D
P S3 R7510 5600
R7515 5600
R7511 4300
CH DOWN S7504 EVQ11L07B
R7516 4300
CH UP S7506 EVQ11L07B
R7505 4300
44 VDD X OUT VDD VSS X IN
5.0
2.2
2.3
5.0
5.0
5.0
5.0
5.0
C
P AFC S-CURVE R7534 220 S AFC S-CURVE C7508 0.01 C7519 0.068
IC7501 M35500AFP
1
2
3
4
5
6
7
8
9
10 0
11 0 (HD647)
5.0
IC7505 RN5VD28AA
(RESET) 4.4 5 4
Q7501 2SB709A IC7504 PNA4611M02VT
(IR RECEIVER)
R7532 3300 5.0 0 R7531 3300 SAT IR FRONT VIDEO FRONT AUDIO(R) FRONT AUDIO(L) UNREG 13V GND(A) V I V V P P
IC7502 S80743AL
(RESET)
(INV.)
R OUT
GND
GND
VCC
VCC
VDD
VSS
RST
RST
R7527 180
C7514 VCE0073
B
S BACK UP 5V D7523 MA723 P N.SW 5V S V S S S S S S P.FAIL L RESET L IR OSD/FIP CS SYS BUS TLK SYS BUS LSN SYS BUS CLK R7508 3300 R7507 3300 R7506 3300 C7513 0.1 C7515 6V220
R7512 100 C7506 47P R7521 10K R7533 30K R7525 30K R7524 30K R7523 30K R7520 10K
1 4.8
2 4.8
3
1 5.0
2
3 5.0 C7505 0.1
1 5.0
2 5.0
3
R7528 10K
R7529 470 R7536 10K
11.8 0
A
Q7502 2SD1994
(SAT LED DRIVE)
NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.
NOTE: DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING. WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
1
2
3
4
5
6
7
8
9
10
TO AV FRONT P6501 (Page:70/B-1)
C7509 0.01
P7502 1 FRONT AUDIO(L) 2 GND(A) 3 FRONT AUDIO(R) 4 GND(A) 5 FRONT VIDEO 6 7 UNREG 13V 8 SAT IR
P6501-8 P6501-7 P6501-6 P6501-5 P6501-4 P6501-3 P6501-2 P6501-1