Pioneer ctf 2121 service manual

Page 2

999905,?

GT-FEI 21

CONTENTS
SPECIFICATIONS .................................. V .................. 3
FRONT PANEL FACILITIES ........................................... 4
CONNECTION DIAGRAM .............................................. 6
BLOCK DIAGRAM ........................................... . ....... 7
LEVEL DIAGRAM ................................................... 9
CIRCUIT DESCRIPTIONS
6.1 Recording and Playback Circuit ....................................... 10
' 6.2 Auto Stop Circuit ..................... ' ............................. 12
6.3 Power Supply Circuit .............................................. 13
6.4 Muting Circuit .................................................... 13
DISASSEMBLY
Part 1 ................................................................ 14
Part 2 ................................................................ 15
Part 3 ................................................................ 16
PARTS LOCATIONS
8.1 Front View ....................................................... 17
8.2 Front View with Panel Removed ...................................... 18
8.3 Top View ........................................................ 19
8.4 Rear Panel View (NB, KCU model) ..................................... 20
8.5 Rear Panel View (DV, DP model) ...................................... 21
8.6 Bottom View ...................................................... 22
MECHANICAL ADJUSTMENTS
9.1 Pinch Roller Pressure ................................................ 23
9.2 Tape Speed ...................................................... 23
9.3 Reel Hab Torque .................................................. 24
9.4 Muting Switch .................................................... 25
9.5 Solenoid Operation ................................................ 25
9.6 Play Switch ...................................................... 26
9.7 Rec Actuating Lever ................................................ 26
ELECTRICAL ADJUSTMENTS
10.1 Head Azimuth .................................................... 27
10.2 Playback Equalizer ................................................. 27
' 10.3 Playback ,Level .................................................... 27
10.4 Level Meter Calibration .............................................. 27
10.5 Recording Current .................................................. 27