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you are doing great job guys.....my father ask me to find out the schematics of Sony KV25R1D to sort out the problem ..(he was electrical technician, and excperianced with TV and simillar stuff). finally he found the cause and change all necessary parts....now he has got working old dog..and is very happy!!... thank you all.. NB..he also saved the repair cost.
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Perfect. Received my manual within 24 hours. Clear scan of the manual I needed. No problem.
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Item as described, very well detailed manual with complete schematics. I've received the download information shortly after payment, very good support.
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Really good and well scanned. File is complete the full service manual for 5$
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Good product and very helpfull to repair. Many thanks.
CX-JT8 SECTION 4 TEST MODE
[COLD RESET]
� The cold reset clears all data including preset data stored in the RAM to initial conditions. Execute this mode when returning the set to the customer. Procedure: 1. Press the [POWER] key to turn the power ON. 2. Press three keys of x , [ENTER] and [POWER] simultaneously. 3. The message �RESET� is displayed on the fluorescent indicator tube momentarily, then becomes standby states.
[CD TRAY LOCK MODE]
� This mode is used to unable to take sample disc out of tray in the shop. Procedure: 1. Press the [POWER] key to turn the power ON. 2. Press the [CD] key to select �CD�. 3. While pressing the x key, press the Z key for 5 seconds. 4. The message �LOCKED� is displayed on the fluorescent indicator tube and the tray is locked. (Even if pressing the Z key, the message �LOCKED� is displayed on the fluorescent indicator tube and the tray is locked) 5. To release from this mode, while pressing the x key, press the Z key for 5 seconds. 6. The message �UNLOCKED� is displayed on the fluorescent indicator tube and the tray is unlocked.
[TUNER STEP CHANGE-OVER] (Except AEP, UK and CIS models)
� A step of AM channels can be changed over between 9 kHz and 10 kHz. Procedure: 1. Press the [POWER] key to turn the power ON. 2. Press the [TUNER BAND] key to select �AM�. 3. Press the [POWER] key to turn the power OFF. 4. Press two keys of [ENTER] and [POWER] simultaneously. 5. The message �9K STEP� or �10K STEP� is displayed on the fluorescent indicator tube, and thus the channel step is changed over.
[AMP TEST MODE]
� This mode is used to set the parameter of AMP IC for adjustment of tone quality and VACS level and display VACS status. Procedure: 1. Press the [POWER] key to turn the power ON. 2. Press three keys of x , [HEAVY] and [HIP POP] simultaneously. 3. When the AMP test mode is activated, the message �AMP TEST� is displayed on the fluorescent indicator tube momentarily. 4. Press two keys of [HEAVY] and [DISC DIRECT PLAY 2] simultaneously, mode is changed over to parameter setting of AMP IC and display of VACS status. 5. When the VACS ON, the message �V2255255� is displayed on the fluorescent indicator tube, and when the VACS OFF, the message �2255255� is displayed on the fluorescent indicator tube. 6. Press the [VOCAL] key, DBFB ON/OFF is changed over. 7. Press the [ENTER] key, surround ON/OFF is changed over. 8. Press the [MANUAL] key, EQ band is changed over to LOW, MID or HIGH. 9. Press the [HIP POP] and [TECHNO] key, EQ curve adjustment value is changed over between �8dB to +8dB. 10. To release from this mode, press two keys of [HEAVY] and [TECHNO] simultaneously.
[CD SHIP MODE]
� This mode moves the optical pick-up to the position durable to vibration. Use this mode when returning the set to the customer after repair. Procedure: 1. Press the [POWER] key to turn the power ON. 2. Press the [CD] key to select �CD�. 3. Press two keys of [CD] and [POWER] simultaneously. 4. The message �LOCK� is displayed on the fluorescent indicator tube, and the CD ship mode is set.
[CHANGE-OVER FUNCTION OF MD/VIDEO]
� This mode is used to enable function of external input to change over between MD and VIDEO. Procedure: 1. 2. 3. Set to standby state. Press two keys of [MD (VIDEO)] and [POWER] simultaneously. The message �MD� or �VIDEO�is displayed on the fluorescent indicator tube, and the function of external input is changed over.
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