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A site where discontinualed schematic diagrams and back dated information can be found on discontinued radios tv's and any electronic equipment can be found. Newer manuals either Service and operating manuals. Radio amateurs should find this site a great source for ham radio equipment manuals. I will return to this site should I need information on any electrical equipment. priced easy to download in a PDF format and print pages need to undertake the repair.
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Quality scan of the original. All the detail necessary to troubleshoot, repair and adjust the unit. I'm sure I will be downloading more manuals in the future as the need arises.
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Exactly as described, a Service Manual complete with the schematics and PCB layout delivered in a timely manner. Many thanks for the great service.
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some of the writing is a bit blur but the part in the schmatic was great and i have fixed the machine thanks
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Well.. I'd searched for this manual and although I found many copies online I was pleased to find your website with a well balanced pricing system and easy to search and follow links. That together with the very quick response time was just what I was looking for.. being a very impatient tech.. ;-) I had the service manual in front of me within a short time.
Bookmarked.. and you can bet I will always come here first for my service & user manuals..
best regards
Ed(Tony) Foley
G7WHK
WM-FX888 SECTION 4 MECHANICAL ADJUSTMENTS
PRECAUTION 1. Clean the following parts with a denatured-alcohol-moistened swab: playback head pinch roller rubber belts capstan 2. Demagnetize the playback head with a head demagnetizer. (Do not bring the head demagnetizer close to the erase head.) 3. Do not use a magnetized screwdriver for the adjustments. 4. The adjustments should be performed with the rated power supply voltage (1.3 V) unless otherwise noted. Torque Measurement
Mode FWD CQ-102C FWD Back Tension Torque Meter Meter Reading (1.47 � 2.94 mN�m) 15 � 25 g�cm (0.22 � 0.36 oz�inch) (0.029 � 0.196 mN�m) 0.3 � 2.0 g�cm (0.004 � 0.01 oz�inch) (1.47 � 2.94 mN�m) 15 � 25 g�cm (0.22 � 0.36 oz�inch) (0.029 � 0.196 mN�m) 0.3 � 2.0 g�cm (0.004 � 0.01 oz�inch) (more than 3.43 mN�m) more than 35 g�cm (more than 0.5 oz�inch) Type WS-48A Signal 3 kHz, 0 dB Used for Tape Speed Adjustment
SECTION 5 ELECTRICAL ADJUSTMENTS
PRECAUTION 1. Specified voltage : 1.3 V (DC) 2. Setting SOUND RV/MB/GRV : OFF AVLS : OFF ;NR : OFF BL SKIP : OFF
TAPE DECK SECTION
Test tape
0 dB=0.775 V
Tape Speed Adjustment Setting: Function: TAPE
Test tape WS-48A (3 kHz, 0 dB) 16 � frequency counter
REV CQ-102RC REV Back Tension FF, REW CQ-201B
set
+ �
i jack (J701)
Procedure: 1. Playback WS-48A (tape center) in the FWD state. 2. Adjsut RV601 so that the frequency counter reading becomes 3,000 Hz. Specification Values: 2,970 to 3,030 Hz 3. Playback WS-48A (tape center) in the REV state. Check that the frequency counter reading is within 2% (approx.60 Hz) of the reading of step 1. Adjustment Location: MAIN BOARD (See page 12)
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