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This manual is accurate and of high quality. It is only volume 2 of the service manual. This is schematic, parts lists, and exploded mechanical drawings. The theory of operation and the diss-assembly instructions are in volume 1. The unit can be tricky to dis-assemble portions of so the volume 1 manual can be important. The product description of the manual is accurate but it does not say anything about volume 1 and the image of the front page does clearly say Volume 2.
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Wellll again thank you very much fast and effective. Clear and well done for such an old TV!!!!
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It has all the information you will need to fix it. The main circuit diagram is only A4 but being a PDF, you can print it to any size - I did it on two sheets of A3 and it didnt lose any detail - just made it readable when pinned up above the bench. I've found the fault, just need to buy some obscure bits to get it going again!
I cant fault the process, I paid for the manual in the morning and it was ready to download by lunch time.
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Very good copy in a 54 pages PDF archive. This is my sixth purchase here. :)
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Another excellent buy! File too clear and explanatory.
1.4 EMERGENCY DISPLAY Whenever some abnormal signal is input to the syscon CPU, an error number (E01, as an example) is displayed on the LCD monitor or (in the Electronic view finder). In every error status, such the message as shown below alternately appear over and over. In an emergency mode, all operations except turning on/off the Power switch are ineffectual. LCD display
E01
E01 UNIT IN SAFEGUARD MODE
E01 REMOVE AND REATTACH BATTERY
Emergency mode
LOADING
Details
Possible cause
In the case the encoder position is not shifted to 1. The mechanism is locked during mode shift. the next point though the loading motor has ro- 2. The mechanism is locked at the mechanism loading end, because the encoder tated in the loading direction for 4 seconds or position is skipped during mechanism mode shift. more. This error is defined as [E01]. 3. No power is supplied to the loading MDA. In the case the encoder position is not shifted to 1. The mechanism is locked during mode shift. the next point though the loading motor has ro- 2. The mechanism is locked at the mechanism loading end, because the encoder tated in the unloading direction for 4 seconds or position is skipped during mechanism mode shift. more. This error is defined as [E02]. In the case no REEL FG is produced for 4 seconds or more in the capstan rotation mode after loading was complete, the mechanism mode is shifted to STOP with the pinch roller set off. This error is defined as [E03]. However, no REEL EMG is detected in the SLW/ STILL mode. 1. The idler gear does not engage with the reel disk well. 2. Though the idler gear and reel disk are engaged with each other, the tape is not wound because of overload to the mechanism. 3. No FG pulse is output from the reel sensor. 4. No power is supplied to the reel sensor. 5. Tape transport operation takes place with a cassette having no tape inside. 6. The tape slackens and no pulse is produced until the slack is taken up and the tape comes into the normal status.
E02
UNLOADING
E03
TU & SUP REEL FG
E04
DRUM FG
In the case there is no DRUM FG input in the 1. The drum cannot be started or drum rotation is stopped because tape transport drum rotation mode for 4 seconds or more. load is too high. This error is defined as [E04], and the mecha1) Tape tension is extremely high. nism mode is shifted to STOP with the pinch roller 2) The tape is damaged or soiled with grease, etc. set off. 2. The DRUM FG signal is not received by the syscon CPU. 1) Disconnection in the middle of the signal line. 2) Failure of the DRUM FG pulse generator (hall element). 3. No drum control voltage is supplied to the MDA. 4. No power is supplied to the DRUM MDA. � In the case no CAPSTAN FG is produced in the capstan rotation mode for 2 seconds or more. This error is defined as [E06], and the mechanism mode is shifted to STOP with the pinch roller set off. However, no CAPSTAN EMG is detected in the STILL/FF/ REW mode. � 1. The CAPSTAN FG signal is not received by the syscon CPU. 1) Disconnection in the middle of the signal line. 2) Failure of the CAPSTAN FG pulse generator (MR element). 2. No capstan control voltage is supplied to the MDA. 3. No power is supplied to the CAPSTAN MDA. 4. The capstan cannot be started or capstan rotation is stopped because tape transport load is too high. 1) Tape tension is extremely high. (Mechanical locking) 2) The tape is damaged or soiled with grease, etc. (Tape tangling occurs, etc.)
E05 E06
� CAPSTAN FG
Fig. 1-4a
1-8
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