3-4
1
PB switching
point adjust-
ment
Alignment tape,
VFK1842
color bar
recorded section
• PLAY
• ADJUST
MENU, 100.
PB SW
POINT
(1)Select ADJUST MENU No. 100, "PB SW
POINT".
(2)Playback the alignment tape. Confirm that the
compatibility adjustment has been performed
and the FM waveform at TP9 (ENV OUT) is flat
and stable.
(3)Press the [ SET ] button to cause the *
marking to blink. The PB switching point will
be adjusted automatically.
TP6 (SPA)
TP9 (ENV OUT)
TRIG: TP5 (HID)
GND: TP1 (GND)
[Rewrite board]
Auto adjustment
a and b = 126 µ sec
10 µ sec
Measuring
Measuring point
(
)
No.
Item
instruments &
Mode
Adjustment parts (
)
Adjustment procedure
Input signals
Adjustment level (
)
3.2
DVC UNIT ADJUSTMENTS
Preparation : Connect the Rewrite board (VFK1846) to
CN4004 on the Main board. Connect it in the ori-
entation shown in Fig. 3.2, so that the test point
surface (component mounting surface) faces to-
ward the rear.
NOTE :
DVC UNIT ADJUSTMENTS can be completed if
NTSC mode is performed.
Set the NTSC/PAL switch of the rear panel to NTSC.
Fig. 3.2 Rewrite board connection method
REWRITE board
Fig. 3.2.1(1)
a
a, b : 126µ sec ±10µ sec
b
HID (TP5)
SPA (TP6)
ENV OUT
(TP9)
Summary of Contents for AG-DV2500E
Page 2: ...2 ...
Page 7: ...7 ...
Page 8: ...1 Service Information 2 Mechanical Adjustments 3 Electrical Adjustments 8 ...
Page 39: ...MAIN SCHEMATIC DIAGRAM 4 6 5 10 ...
Page 41: ...MAIN SCHEMATIC DIAGRAM 6 6 5 12 Page 5 16 Page 5 16 5 18 ...
Page 42: ...5 12 MDA DC SCHEMATIC DIAGRAM 1 4 5 21 TO CN112 Page 5 27 MECHA CONN ...
Page 43: ...5 22 MDA DC SCHEMATIC DIAGRAM 2 4 CN105 Page 5 18 CN116 Page 5 27 ...
Page 45: ...5 24 MDA DC SCHEMATIC DIAGRAM 4 4 CN108 Page 5 18 ...
Page 77: ...5 5 OVERALL WIRING DIAGRAM 5 5 CN111 MDA DC CN101 DV CPU ...
Page 169: ...5 3 VIDEO BLOCK DIAGRAM 5 3 ...
Page 170: ...5 4 AUDIO BLOCK DIAGRAM 5 4 ...
Page 171: ...5 5 OVERALL WIRING DIAGRAM 5 5 CN111 MDA DC CN101 DV CPU ...
Page 172: ...5 6 DV UNIT OVERALL WIRING DIAGRAM 5 6 ...
Page 176: ...MAIN SCHEMATIC DIAGRAM 4 6 5 10 ...
Page 178: ...MAIN SCHEMATIC DIAGRAM 6 6 5 12 Page 5 16 Page 5 16 5 18 ...
Page 181: ...5 9 DV CPU SCHEMATIC DIAGRAM 1 4 5 15 MIX AGC BIAS REC GAIN ...
Page 183: ...DV CPU SCHEMATIC DIAGRAM 3 4 5 17 ...
Page 187: ...5 12 MDA DC SCHEMATIC DIAGRAM 1 4 5 21 TO CN112 Page 5 27 MECHA CONN ...
Page 188: ...5 22 MDA DC SCHEMATIC DIAGRAM 2 4 CN105 Page 5 18 CN116 Page 5 27 ...
Page 190: ...5 24 MDA DC SCHEMATIC DIAGRAM 4 4 CN108 Page 5 18 ...
Page 191: ...5 13 FDM FRONT DV CONN MIC SCHEMATIC DIAGRAMS 5 25 Page 5 12 Page 5 16 Page 5 9 ...
Page 194: ...5 28 5 16 MECHA MECHA CONN CIRCUIT BOARDS SIDE A MECHA CIRCUIT BOARD ...
Page 195: ...5 29 SIDE B SIDE A MECHA CONN CIRCUIT BOARD ...
Page 196: ...5 30 5 17 IC BLOCK DIAGRAMS ...
Page 197: ...5 31 ...
Page 198: ...5 32 ...
Page 199: ...5 33 ...
Page 200: ...5 34 ...
Page 201: ...5 35 ...
Page 202: ...5 36 ...
Page 203: ...5 37 ...
Page 204: ...5 38 ...
Page 205: ...5 39 ...
Page 224: ...5 4 AUDIO BLOCK DIAGRAM 5 4 ...
Page 226: ...5 3 VIDEO BLOCK DIAGRAM 5 3 ...
Page 232: ...5 28 5 16 MECHA MECHA CONN CIRCUIT BOARDS SIDE A MECHA CIRCUIT BOARD ...
Page 233: ...5 29 SIDE B SIDE A MECHA CONN CIRCUIT BOARD ...
Page 236: ... 3 AG DV2500E ...
Page 238: ... 5 AG DV2500P ...
Page 239: ... 6 AG DV2500E ...
Page 240: ... 7 ...
Page 241: ...FCD0303BYNK130 ...
Page 256: ...5 9 DV CPU SCHEMATIC DIAGRAM 1 4 5 15 MIX AGC BIAS REC GAIN ...
Page 258: ...DV CPU SCHEMATIC DIAGRAM 3 4 5 17 ...
Page 260: ...5 6 DV UNIT OVERALL WIRING DIAGRAM 5 6 ...
Page 295: ...5 13 FDM FRONT DV CONN MIC SCHEMATIC DIAGRAMS 5 25 Page 5 12 Page 5 16 Page 5 9 ...
Page 296: ...5 30 5 17 IC BLOCK DIAGRAMS ...
Page 297: ...5 31 ...
Page 298: ...5 32 ...
Page 299: ...5 33 ...
Page 300: ...5 34 ...
Page 301: ...5 35 ...
Page 302: ...5 36 ...
Page 303: ...5 37 ...
Page 304: ...5 38 ...
Page 305: ...5 39 ...