ONWA Repair Tips
Search: ONWA
Results 127
Results 127
| Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
|---|---|---|---|---|---|
| Bush | ONWA | Dead | Fit a power supply kit from SEME RK215 for a safer and reliable repair | ||
| Goodmans | 1430RA ONWA | Volume up full, red bargraph but no sound, Picture bargraphs also at full and will not adjust | Disconnect pin 1 of MN1220, press vol down then store then resolder pin 1 - only seems to correct problem if resoldered while unit is powered. | ||
| Jvc | C14ET1EK ONWA | Picture height is reduced to 2 inches | Replace C418. It's the coupling capacitor from the frame circuit to the scanning coils. It's value is 1000uF, 25V | ||
| Teac | CT-M685 ONWA | Set stays in standby intermittantly or will int switch off to standby also brightness and contrast slightly low | Resolder all joints in the power supply very small dry joints that need a microscope to find ! also check / replace replace capacitors C109 and C110 and check condition of other psu caps. | ||
| Jvc | C-V14EKS/B/W Onwa | No Red | I was hoping the nvm had become corrupt and turned the red drive down but it was fine To enter service mode press and hold vol up and vol down on the front panel and switch set on. Thankfully ZD405 8V2 had expired almost s/c and removed the red | ||
| Ssang Yong | Onwa | Int line & field twitch | R423 100k hi res | ||
| Perdio | CT1411 Onwa | Field collapse | R414 12R o/c, ZD401 12v zener s/c - also check C909 47µ 50v, C910 10µ 50v & ZD901 8v2 zener | ||
| Matsui | 2039 Onwa | Dim pic with field cramp & poss loss of col | R419 5R6 3w hi res | ||
| Matsui | 2038 Onwa | Still Dead aft replacement of C909/911 47µ | R417 2k2 5w (line dr supply) o/c | ||
| Matsui | 2038 Onwa | No sigs & no tuning volts | Q608 | ||
| Matsui | 2038 Onwa | Dead | C909/911 457µ 50v, ZD401 12v zener s/c, R419 5R6 3w hi res | ||
| Matsui | 1455 Onwa | Sweep tuning slow - no remote or sound. | Replace X401 4MHz Xtal 63044004AA. | ||
| Matsui | 1455 Onwa | Stuck in standby. | C613 leaky. | ||
| Matsui | 1455 Onwa | STUCK IN STANDBY | C613 ( 0.0047 1KV ) | ||
| Matsui | 1455 Onwa | SET STAYS ON IN STBY WHEN SWITCHED OUT OF STBY PIC | Q605 SC | ||
| Matsui | 1455 Onwa | PIC HEIGHT REDUCED AT BOTTOM | R305 ( 24K ) GONE HIGH | ||
| Matsui | 1455 Onwa | PIC AND SOUND INT. . TAP LOPTY IF CLEARS FAULT | CHECK SCREW NEAR C316 | ||
| Matsui | 1455 Onwa | PATTERNING ON SCREEN IF CONTRAST TURNED LOW HUM BA | C604 100uF 400v | ||
| Matsui | 1455 Onwa | Overbright raster. | Q201 s/c. | ||
| Matsui | 1455 Onwa | No sync. | R274 |