Pioneer CT-F2121 Platine à cassette
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Modèle:
CT-F2121
Date:
0
Catégorie:
Groupe:
Description:
Information
Systems......................Compact cassette, 2-channel stereo
Recording .... AC bias system (bias frequency: 85kHz)
Erasing.............................................AC
push-pull system
Heads . . ."Permalloy Solid" recording/playback headx 1
Ferritte erasing head x 1
Motor.................... Electronically-controlled DC motor
Fast Winding Time............... Approximately 80 seconds
(C-60 tape)
Wow and Flutter...............No more than 0.12% (WRMS)
Frequency Response.........................Standard, LH tapes;
30 to 13,000Hz (40 to 11,000Hz, ±3dB) Chromium dioxide tape;
30 to 16,000Hz (40 to 12,000Hz, ±3dB)
Signal-to-Noise Ratio...........................Dolby OFF; 48dB
(standard and LH tapes) Dolby ON; 58dB (over 5kHz, standard
and LH tapes) (When chromium dioxide tape is used,
signal-to-noise ratio is further improved by 4.5dB over 5kHz)
Inputs (Sensitivity/Maximum allowable input/lmpedance) MIC x
2; 0.3mV/63mV/20kß, 6mm<£> jacks (Reference Mic impedance;
600Ω to 20k£2) LINE x 2; 63mV/12V/50ka, Pin jacks REC/PB x
1; 10mV/2V/10ktt, 5P jack
(DIN standard)
Outputs (Reference level/Load impedance)
LINE x 2; 450mV/50ki2, Pin jacks Headphone x 1; 80mV/8£2,
6mm0, stereo jack REC/PB x 1; 450mV/50k£2, 5P jack
(DIN standard)
Semiconductors..........Amplifier section; 41 transistors
(including 2 FETs) 28 diodes (including 3 zener diodes, 1
LED) Motor control section; 2 transistors, 1 diode
Subfunctions.........................«Dolby system (ON OFF)
with indicator lamp •Tape selector (STD/Cr02) Independently
switchable bias and Equalizer •Full-auto stop mechanism (in
all modes of PLAY/REC/FF/REW) •Cassette compartment
illumination Power Requirements .... AC120V, 60Hz (KCU model)
AC220V, 50/60Hz (NB model) AC 120V, 220V and 240V
(switchable) 50-60Hz
(DV, DP model)
Power Consumption........................... 15 watts (max.)
Dimensions ................. 350(W) x 142(H) x 282(D) mm.
13-3/4(W) x 5-5/8(H) x 11-1/8 in.
Weight ..................14 lb 9 oz (6.6 kg) (without package)
Accessories...................................Stereo
connecting cord
with pin plugs x 2 Head cleaning kit x 1 Operating
instructions x 1
Type manuel:
manuel de réparation
Pages:
60
Taille:
15.66 Mbytes (16422488 Bytes)
Langue:
english
Révision:
Manuel-ID:
ART-144-0
Date:
Qualité:
Document scanné, tous les lisible.
Date de transfert:
2015 09 27
MD5:
f9cff7a25f7f58d18452b3e71a7c84b8
Téléchargements:
1042
Information
1.
SPECIFICATIONS ...
3
2. FRONT PANEL
FACILITIES ...
4
3. CONNECTION
DIAGRAM ...
6
4. BLOCK DIAGRAM
...
7
5. LEVEL DIAGRAM
...
9
6. CIRCUIT DESCRIPTIONS
6.1 Recording and Playback Circuit
...
10
‘ 6.2 Auto Stop
Circuit ...
12
z—<v 6.3 Power Supply Circuit
...
13
', .. 6.4 Muting Circuit
...
13
7. DISASSEMBLY
Parti
...
14
Part 2
...
15
Part 3
...
16
8. 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
^ 9. 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
10. 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
10.6 Recording Bias
... 27
10.7 Bias Trap
... 28
10.8 Recording/Playback Frequency
Response ... 28
10.9 Recording Level
... 28
10.10 Dolby Processor
... 28
11. SCHEMATIC DIAGRAMS, P.C. BOARD PATTERNS AND PART LISTS
11.1 Schematic Diagrams and Miscellaneous
Parts ... 31
11.2 Power Supply and O.S.C. Assembly
(RWR-027) ... 34
11.3 REC/PB Amplifier Assembly (RWF-043)
... 37
11.4 Fuse Board Assembly
1. KCU Model
(RWX-089) ... 45
2. DV, DP Model
(RWX-090) ... 45
3. NB Model
(RWX-092) ... 46
11.5 Indicator Assembly (RWX-087)
... 47
11.6 Lamp Assembly
(RWX-052) ... 47
11.7 Control Assembly (RWG-049)
... 48
12. EXPLODED VIEW ..51
12.1 Panel
Stay ... 53
12.2 Rear
Panel ... 53
12.3 Main
Chassis ... 54
13. EXPLODED VIEW TRANSPORT ..55
13.1 Head
... 57
13.2 Idler A
... 57
13.3 Sensing Switch
... 58
13.4 Transport
Chassis ... 59
13.5 Play, Muting Switch
... 60
13.6 Operating Button Assembly
(RXA-498) ... 61
13.7 Tape Counter
... 62
13.8 Eject
Bracket ... 62
14. PACKING
...
..63
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