Sony TC-630 Service Manual

: Power Requirements:
Tape Speeds:
Reel Size:
Track System:
Frequency F.esponse:
(NAB}
Wow and Flutter:
(NAB)
Power Output:
Signal-to-Noiss Ratio
Harmonic Distortion:
Recording Level Indication:
Tone Con*rob:
Inputs:
Canadian Model!
E Model
US Model
AEP Mode!
UK Model
STEREO
TAPECORDER
SPECIFICATIONS
85W (100 VA), 117 volts
(USA, Canada Mode!) :
B5W, 100, 110, 117, 125, 220 & 240 volts
{E, AEP, UK Model)
(Voltage selector provided in the set)
AC 60H: (USA, Canada Made!)
AC 50 or 60 Hz (E, AEP, UK Model)
{Convertible with power frequency selector
and capstan sleeve}
19 cin/s. 9.5 cm/s and 4.8 cnvs
TA ips, 3% ips and 1% ips
7 inches or smaller
4-track stereophonic or monephonic
30.22,000 Hzat 19¢em/s, 7% ips
30~13,000Hzat 9.5cm/s, 3% ips
30~ 10 000Hzat 4.8cm/s, 17% ips
Less than 0.09% at 19cm/s, 7% ips
Less than 0.12% at 9.5cm/s, 3% ips
Less than 0.16% at 4.8crv/s, 17/5 ip?
15W (max:mum) per channel
40'N (dynamic power) with both channels
Better than 50 dB
Less than 1.2% (at normal recording level
Less than 0.5% iin working as an amplifier)
Two VU meters
Two separate controls for bass and treble
Low impedance micropkone inputs:
-72 dB (0.2 mV)
High impedance auxiliary inputs:
-22 dB (0.06V)
High impedance tuner inputs:
-22 dB (0.06V)
Phonograph inputs: -52 dB {2 mV)
Outputs:
Recording Time:
(vzith 1,800 ft tape)
Semiconductors:
Heads:
Dimensions:
Weight:
Line outputs: 0 dB (0.775¥),
Load impedance 100ki2
Speaker outputs (for external):
Load impedance 822
Speaker outputs (for lid}:
Load impedance 162
Headphone outputs (for monitoring):
Load impedance 82
Headphone outputs (for listening):
Load impedance 82
4-track stereo
1.5 hrs at 19cm/s, 7% ips
3hrsat 9.5cm/s, 3% ips
Gtrsat 48cm/s, 1% ips
4-rack mono
Shrsat 19¢em/s, 7% ips
6hrsat 9.5crm/s, 3% ips
t2hrsat 4.8cmvVs, 17: ios
Transistor: 40 pcs.
Diode: 7 pes,
Record: PP 30-2902A
PP 102-2902
Serial No. 124701 and tater}
Playbac::: RP30-2902
RF102-2902
(Serial No. 124701 and later)
Erase: E&18-2902A
454(w!
x
506
tn)
x
294
'd)
mm
177/,
(w)
x20
(h}x11°/,
(d)
inches
21 kg, 46 tb 3 oz
SONY
SERVICE
MANUAL

Sony TC-630 Specifications

General

Reel Size	Up to 7 inch reel
Signal to Noise Ratio	50dB
Inputs	Microphone, Line
Outputs	Line, Headphones
Type	Reel-to-Reel
Track System	4-track, 2-channel, stereo/monaural system
Heads	3 (erase, record, playback)
Frequency Response	30Hz to 20kHz at 7 1⁄2 ips
Tape Speed	7 1/2 ips, 3 3/4 ips

Summary

SECTION 1 OUTLINE

1-1. BLOCK DIAGRAM

Provides a high-level schematic of the audio signal flow and component interconnections within the TC-630.

SECTION 2 DISASSEMBLY

2-1. Knob and Head Cover Removal

Step-by-step instructions for removing control knobs and the head cover assembly.

2-4. Cabinet Removal

SECTION 3 MAINTENANCE

3-1. Lubrication

Details required lubrication points, intervals, and types of oil for the tape transport mechanism.

3-2. Cleaning

Outlines the procedure and parts to clean for optimal performance, emphasizing tape path cleanliness.

SECTION 4 ADJUSTMENTS

4-1. MECHANICAL ADJUSTMENT

Provides detailed procedures for adjusting mechanical aspects of the tape transport for optimal performance.

4-2. ADAPTATION TO DIFFERENT POWER LINE FREQUENCY

4-3. ELECTRICAL ADJUSTMENTS

Details the procedures for calibrating and adjusting various electrical circuits for optimal audio performance.

SECTION 5 DIAGRAMS

5-1. WIRING DIAGRAM (USA, Canada)

Presents the complete wiring schematic for the TC-630, USA and Canada models.

5-4. SCHEMATIC DIAGRAM

Provides a comprehensive circuit schematic illustrating the overall electronic design of the TC-630.

5-5. LEVEL DIAGRAMS

Details signal levels at various points in the playback and record circuits for calibration and troubleshooting.

SECTION 7 ELECTRICAL PARTS LIST