3-10
4. OSD CIRCUIT
(1) No OSD display.
(2) I
2
C BUS CHECK
KEY doesn’t working.
Is 5V applied to the IC501
Pin99?
Does LED or FLD change
when a function button is
pressed?
No OSD or F.OSD display.
Is 5.3V applied to the
IC501 Pin53?
Does oscillation occur at
the IC501 Pins44, 45?
Replace the IC501.
The I
2
C waves don’t
come out.
Does Power appear at the
Pull up impedence
(R569, R507)?
Replace the IC501.
Refer to “SMPS 5.3VA
Trouble Shooting”.
Replace the defective
switches.
Refer to “SMPS 5.3VA
Trouble Shooting”.
Check or Replace the phe-
ripheral Circurity.(L511,
R518, C596, C595)
Refer to “SMPS 5.3VA
Trouble Shooting”.
YES
YES
YES
YES
NO
NO
NO
NO
NO
2. SERVO CIRCUIT
(4) KEY doesn’t working
Summary of Contents for dvw6100
Page 36: ...3 34 3 35 2 TU IF CIRCUIT DIAGRAM PB REC ...
Page 41: ...3 44 3 45 7 KEY CIRCUIT DIAGRAM SRC1203 SRC1203 SRC1203 LD601 C6G1 C6G2 PT3955 DVW 6100 SANYO ...
Page 44: ...PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE 3 50 3 51 ...
Page 63: ... 02 12 04 R17149A DVW 6100 SANYO DAP202K 3 76 3 77 6 JACK CIRCUIT DIAGRAM ...
Page 68: ...LOCATION GUIDE 3 86 3 87 PRINTED CIRCUIT DIAGRAMS NS 1 SUB P C BOARD TOP VIEW ...
Page 69: ...LOCATION GUIDE 3 88 3 89 2 SUB P C BOARD BOTTOM VIEW ...
Page 129: ......