— 57 —
All Modes?
Yes
No
RF only
AV1 only
Check:
Line: Main to AV
A101 (TU_IF) 17pin - IC1201 41pin
Parts: TU_IF
Check:
Line: AV
IC1201 1pin (Composite Video)
IC1201 3pin (S-Input: Y)
IC1201 5pin (S-Input: C)
AV2 only
(Composite Video
or S-Video)
AV2 only
(Component Video)
Check:
Line: AV
IC1201 7pin (Composite Video)
IC1201 9pin (S-Input: Y)
IC1201 11pin (S-Input: C)
Check:
Line: Main
IC1263 3pin (Y), IC1262 3pin (U), IC1261 3pin (V),
IC2801 24pin (Y for Sync)
AV2, AV3 only
(Component Video)
Digital Module Input only
Check:
Line: Main
IC2801 29pin - IC2903 5pin (AV2: Sync)
IC2801 28pin - IC2903 2pin (AV3: Sync)
Check:
Parts: Digital Module
AV3 only
Check:
Line: Main
IC1263 5pin (Y), IC1262 5pin (U), IC1261 5pin (V),
IC2801 26pin (Y for Sync)
RF, AV1, AV2, AV3
Check:
Line: Main - Digital Module
IC1263 7pin - DM Terminal (K5DMB) pin12 (Y)
IC1262 7pin - DM Terminal (K5DMB) pin14 (U)
IC1261 7pin - DM Terminal (K5DMB) pin10 (V)
IC2903 3pin - DM Terminal (K5DMB) pin16 (V-Sync)
IC2903 14pin - DM Terminal (K5DMB) pin15 (H-Sync)
Parts:
Around IC1261, IC1262, IC1263, IC2903, D M
Check:
Line: (Digital Module) - Main - Video
DM Terminal (K5DMB) pin3 - IC2501 51pin (YP)
DM Terminal (K5DMB) pin5 - IC2501 52pin (UP)
DM Terminal (K5DMB) pin1 - IC2501 53pin (VP)
DM Terminal (K5DMC) pin11 - IC2301 9-7pin - IC2501 23pin (V-Sync)
DM Terminal (K5DMC) pin10 - IC2301 4-12pin - IC2501 18pin (2H-Sync)
Parts: Around DM, IC2501 (CRT Driver)
Line: Video - CRT (Unit)
IC2501 34pin - IC711 3pin (R)
IC2501 32pin - IC721 3pin (G)
IC2501 30pin - IC731 3pin (B)
IC2501 27pin - IC711, IC721, IC731 5pin (IK: AKB Line)
(AKB Line: Feedback Line of Beam Current Information)
Parts: Around IC2501, IC711, IC721, IC731
Check:
Line: CRT (Unit) - CRT (Tube)
IC711 8pin - CRT Cathode (R)
IC721 8pin - CRT Cathode (G)
IC731 8pin - CRT Cathode (B)
Parts: CRT (Tube) and around IC711, IC721, IC731
Also check: (No Raster or Big Retrace Lines)
Line: P/D - CRT
T402 (FBT) 4pin - IC711, IC721, IC731 6pin (200V)
T402 (FBT) 3pin - CRT (Tube) (Heater)
Parts: CRT (Tube) and T402 (FBT: Screen VR)
RF, AV1, AV2
Check:
Line: AV
IC1201 34pin - IC7101 88pin
(Composite Video)
IC7101 83pin - IC1201 29pin (C)
IC7101 84pin - IC1201 31pin (Y)
Parts: Around IC7101 (Y/C SEP.)
Check:
Line: AV
IC1201 37pin - (IC1252 1 to 7pin) - IC8201 34pin (Y)
(IC1201 - IC1252) - IC8201 38, 39pin (Sync)
(IC1201 - IC1252) - IC8230 2 to 8pin - IC8201 2pin (AFC)
IC1201 39pin - IC8201 32pin (C)
Parts: Around IC1201, IC1252, IC8201, IC8230
Line: AV - Main
IC8201 18pin - IC1263 1pin (Y)
IC8201 19pin - IC1262 1pin (U)
IC8201 20pin - IC1261 1pin (V)
IC8201 14pin - IC2903 1pin (V-Sync)
IC8201 15pin - IC2903 12pin (H-Sync)
Parts: Around IC8201, IC1261, IC1262, IC1263, IC2903
Is
S-Input
OK?
Yes
No
(AV2: Composite Video or S-Video)
NO PICTURE