|
|
|
Who's Online
There currently are 6003 guests online. |
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
Thanks for a very good and readable servicemanual. Just what I needed as a "dinosaur technician". I really recommmend this site and will come back.
Åsbjörn
;
The manual I purchased was just what I needed. I was glad to find a site where I can find so many manuals on a wide variety of products.
;
The best diagram that I used in a long time. Everything was right on te money. It was easy and fast. Iwoiuld but again when I need a service manual.
;
The manual is great help for me, i'm happy to have it,thanks
 ;
Very pleased with manual except that a few more details in the drawings might make the job (not yet done, tut-tut) easier. Should be adequate though. Actually I didn't have to pay for this anyway as I was given credit for another item that wasn't quite complete. Good service, then.
SECTION 4 MECHANICAL ADJUSTMENTS
Precaution 1. Clean the following parts with a denatured alcohol-moistened swab: record/playback head pinch rollers erase head rubber belts capstan idlers 2. Demagnetize the record/playback head with a head demagnetizer. 3. Do not use a magnetized screwdriver for the adjustments. 4. After the adjustments, apply suitable locking compound to the parts adjusted. 5. The adjustments should be performed with the rated power supply voltage unless otherwise noted. Torque Measurement Torque FWD FWD back tension FF/REW Torque meter CQ-102C CQ-102C CQ-201B Meter reading 40 to 70 g � cm (0.56 - 0.97 oz � inch) 1 to 5 g � cm (0.01 - 0.07 oz � inch) 55 to 140 g � cm (0.76 - 1.94 oz � inch)
SECTION 5 ELECTRICAL ADJUSTMENTS
DECK SECTION
1. 2. 3. 4. 5.
0 dB=0.775V
6.
Demagnetize the record/playback head with a head demagnetizer. Do not use a magnetized screwdriver for the adjustments. After the adjustments, apply suitable locking compound to the parts adjusted. The adjustments should be performed with the rated power supply voltage unless otherwise noted. The adjustments should be performed in the order given in this service manual. (As a general rule, playback circuit adjustment should be completed before performing recording circuit adjustment.) The adjustments should be performed for both L-CH and RCH. Tape P-4-A100 WS-48B Signal 10 kHz, �10 dB 3 kHz, 0 dB Used for Azimuth Adjustment Tape Speed Adjustment
Record/Playback Head Azimuth Adjustment (Deck A, Deck B) Note: Perform this adjustments for both decks. Procedure: 1. Mode : Playback
test tape P-4-A100 (10kHz, �10dB) SPEAKER terminal (JK401) set
level meter
2.
Turn the adjustment screw and check output peaks. If the peaks do not match for L-CH and R-CH, turn the adjustment screw so that outputs match within 2 dB of peak.
L-CH peak
output level within 2dB
within 2dB
screw position
R-CH peak L-CH peak R-CH peak screw position
11
|
|
|
> |
|
