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Excellent high quality schematics brought my old Heidelberg back to life. Fast download at a reasonable price. Thanks.
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This document is just what I was looking for, it´s very useful, it contains adjustment procedures for the final stage of the power amp and also
has a complete wiring diagram and description of the main semiconductors used in the design.
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Dear Sirs,
Thank you for the fast support, the manual does provide all necessary information to repair the radio. All schematics are in a good quality for reading.
The manual fits 100% to my requirements as a technican.
Kind regards Thomas
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the big video recorder format s-vhs many features delicate in loading system of the cassette. Such machines are no longer manufactured, it would be too expensive.
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THIS MANUAL IS VERY GOOD AND VERY CLEAR
PLEASE NOTE IT DOES NOT CONTAIN THE SETUP INFORMATION TO ALIGHN THE GEARS IN THE CD MECH IT DOES SHOW ALL THE PARTS AND THEIR LOCATIONS .
SECTION 5 TEST MODE
[Test Mode 1] � Step1 (Test mode 1 setting methods) 1. Connect TP445 (CD TEST 1) to the TP444 (GND). 2. Insert external power supply. � Step2 (Operation in the test mode 1) 1. The CD auto adjustment is not performed, but LCD test mode is displayed. Also, ESP is placed in OFF state and it does not turn ON. 2. The sled is operating while the > or . key is pressed. At this time, the spindle and tracking servos turn OFF. 3. The focus search is performed until the focus becomes OK, if the [CD u ] key is pressed. At this time, the spindle and tracking servos turn OFF. Also, when the focus becomes OK, the optical pick-up moves to almost center of 12 cm disc. 4. The spindle and tracking servos turn ON when the [BAND] key is pressed. Also, the mute turns OFF if the data is correct. � Step3 (Resetting of test mode 1) 1. Remove external power supply. 2. Disconnect TP445 (CD TEST 1) and TP444 (GND). [Test Mode 2] � Step1 (Test mode 2 setting methods) 1. Connect TP447 (CD TEST 2) to the TP444 (GND). 2. Insert external power supply. � Step2 (Operation in the test mode 2) 1. The CD auto adjustment is performed. Also, the ESP can be turned ON or OFF. 2. The sled is operating while the > or . key is pressed. At this time, the spindle and tracking servos turn OFF. 3. The focus search is performed until the focus becomes OK, if the [CD u ] key is pressed. At this time, the spindle and tracking servos turn OFF. Also, when the focus becomes OK, the optical pick-up moves to almost center of 12 cm disc. 4. The spindle and tracking servos turn ON when the [BAND] key is pressed. Also, the mute turns OFF if the data is correct. 5. The pickup jumps by one track if > or . key is pressed when the spindle and tracking servos turn ON, or it jumps continuously if the key is kept pressed. Also, if the [PRESET] key is pressed, the following operation is performed. [PRESET 1] 1 track jump [PRESET 2] 4 track jump [PRESET 3] 16 track jump [PRESET 4] 32 track jump [PRESET 5] 256 track check 6. The pickup jumps to the second music and the test mode is released, if [CD u] key is pressed when the spindle and tracking servos turn ON. [Test Mode 3] � Step1 (Test mode 3 setting methods) 1. Connect TP448 (CD TEST 3) to the TP449 (GND). 2. Insert external power supply. � Step2 (Operation in the test mode 3) 1. The same operation as in test mode 2 is performed. However, the LCD test mode is displayed same as in test mode 1.
� 12 �
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