SONY BKNW-121 Repair Manual

$7.99

SONY BKNW-121 - It's a complete service manual, and it's in PDF format. It contains circuit diagrams ( schemas ) etc. It also usually contains parts catalog. After placing order we'll send You download instructions on Your email address. See below for delivery information

The manual is available only in language(s): English

Link to manual will be sent on Your email address after You place order.

This product was added to our catalog on Wednesday 21 November, 2007.

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James Thorp - 12/28/2006

Great original Yamaha manual and no problems at all with the ordering process. Will definitely use this website again and would recommend it to anyone else. James Thorp

Rick Mider - 08/23/2006

I am very Happy with my Mitsubishi Manual. Next time I need a manual or schematics I will return to User-Manuals.com. Thank You Rick Cincinnati, Ohio

Aaron Lawrence - 01/02/2008

Contains mechanism diagrams, parts lists and schematics for all worldwide versions of DC-X88Z. Also includes remote schematic etc. A few non-essential pages are missing such as specifications. Includes the mechanical and electronic calibration instructions for the tape decks.

Dutra Lacerda - 02/17/2008

All schematics for the Euro-PC and some extra info. Needed if you want to replace some missing hardware. A piece of great historical value and for vintage computing entusiasts.

Henry Seiden - 02/26/2009

I downloaded this product and looked through it quickly with Adobe Reader v9. It is clean and a good copy. Some scanned pages are not perfectly square, but that is a minor complaint. The document schematics and board diagrams are easy to read, of good contrast. The whole file downloaded quickly. This is a good service! Sony charges about $100 for the printed version of the same manual. It is still available through their print-on-demand pro parts system, but why would you do that?

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Click to see text excerpt from the manual

Section 2
Electrical Alignment
2-1. Dial Pulse AdjustmentTools List
(PTC-69 Board)
. Oscilloscope: TEKTRONIX 2465B or equivalent
When the PTC-69 board was replaced or the dial pulse. Solder iron
generating circuit on the PTC-69 board was repaired,. Test terminals, such as covered wire (3 pieces)
perform the dial pulse adjustment.
nPreparation
Be sure to perform the adjustments with the search dial
assembly separated from the control panel assembly.1. Remove the PTC protector after removing a screw.
When uniting both assemblies, remove the search dial2. Solder the three test terminals to the connector CN2Os
assembly from the control panel assembly as follows:pins 2, 3 and 6 on side B of the PTC-69 board.
1. Remove a panel from the control panel assembly.3. Secure the PTC-69 board with the screw that is
(Refer to Section 1-2.)removed at step 1 (without the PTC protector).
2. Remove the dial rubber, dial knob, and search dial4. Attach the dial knob and dial rubber to the search dial
assembly from the control panel assembly. (Refer toassembly.
O3-1. Exploded ViewsÃ�.)5. When the PTC-69 board is replaced, set RV1 and RV2
3. Disconnect the harness from CN69 on the KY-438to the mechanical center.
board (BKNW-119) or KY-364 board (BKNW-120) inWhen the potentiometer RV1 or RV2 is replaced, set it
the control panel assembly.(RV1 or RV2) to the mechanical center.
6. Connect the harness to CN69 on the KY-438 board or
KY-364 board with this harness unhooked.
7. Connect the power cord and turn on the POWER
switch.
8. To turn the search dial to JOG mode, press the JOG
button.
Dial rubber
Search dial assembly
Hook
PWH2.6 x 5
PTC-69 board
Dial knob
RV1Harness
Test terminalsRV2
PTC protectorBVTP3 x 8
Mechanical center
PTC-69 board
BKNW-119/120/121/122/1232-1 (E)