[TechAssist] Re: Mits CS2671R No color
- From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 1 May 2002 13:12:53 -0500
Here is a tip that may cover your problem:
Pasted:
MAY BE INTERMITTENT. SUSPECT VR7100 (50K). LOCATED ON PCB-DIGITAL AT IC7104
PIN 4. 2. CHECK THE VALUE OF C7224(.047UF 50V NP).LOCATED ON THE DIGITAL-PCB
AT PIN 4 OF IC7104. 3. COLOR AND LUMINANCE OK FROM MONITOR OUTPUT. CONFIRM
CHROMA INTO IC7104 PIN5. IF OK CONFIRM CHROMA OUT OF IC7104 PIN 3. IF
MISSING CHECK C7198 ( PIN 6 IC7104) FOR LEAKY/SHORTED. LOCATED ON PCB-
DIGITAL. (.01UF 50V) 4. SUSPECT DEFECTIVE 3.58MHZ CRYSTAL X601. NOT FREE
RUNNING OSC. IF CHROMA SIGNAL LOW, X601 WILL DRIFT OFF FREQ. REPLACE.
LOCATED ON PCB-MAIN AT IC201 PIN 25. PT# 285P015010 5. SUSPECT DEFECTIVE
C7119 (0.1UF/ 25V). LOCATED ON PCB-DIGITAL AT IC7101 PIN 9. * NOTE - VOLTAGE
AT PIN 9 MAY CHECK CORRECTLY, BUT CAPACITOR IS DEFECTIVE. REPLACE. 6.
SUSPECT FOLLOWING COMPONENTS ON PCB-DIGITAL: C7103 1000UF 16V AT IC7100 PIN
19 VC7100 9 TO 60PF AT IC7104 PIN 13 (202P109050) VC7101 9 TO 60PF AT IC7105
PIN 13 (202P109050) LPF7101 3.58MHZ AT IC7105 PIN 5 (349P159010)
Jim Myers
Telrad Electronic Services Co.
Fort Wayne, IN 46815
jr.myers@xxxxxxxxxxx
260-432-4486 Fax and Voice
Fax is always on
----- Original Message -----
From: "Mitchell TV" <70650.1534@xxxxxxxxxxxxxx>
To: "Tech Assist" <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, May 01, 2002 11:34 AM
Subject: [TechAssist] Mits CS2671R No color
I have a Mits CS2671R TV , set has no color, B/W picture is good, audio
good, menu items (color, tint,etc.) seem to react properly. Just no color.
I have replaced the 3.58 crystal, no change.
I do not have a print, and its not listed in sams.
Greg Mitchell
Mitchell TV
Niles, MI
616-683-0868
616-683-1501 fax
70650.1534@xxxxxxxxxxxxxx
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