Sony TCM-121 Service Manual

Power Requirements:
a SPECIFICATIONS
6 V dc, four batteries size "AA" (IEC
designation R6) or optional Sony Re-
chargeable Battery Pack BP-23
240 V ac, 50 Hz with optional AC Power
Adaptor AC-15A available in the United
Kingdom (UK model)
120 V ac, 60 Hz with supplied AC Power
Adaptor AC-9 {Canadian model)
12 V car battery with optional Sony Car
Battery Cord DCC-127A
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Canadian Mode:
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E. Mods
UK Model
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9 VA with Sony AC Power Adaptor AC-456C
6 W (60 Hz) with Sony AC Power Adaptor AC-9
- 9 W with Sony AC Power Adaptor AC-15A
~ 9,2 W (50 Hz) or 8.9 W (60 Hz)
with Sony AC Power Adaptor AC-4A
Recording System: 2-track 1-channel monaural
Frequency Response: ; 90 — 9,000 Hz
icati Test Equipment
22.5—60 g-cm Sony torque meter
Fast Forward] more than 60g.cm | Sony torque meter
Torque (0.83 oz - inch) CQ-201A
Rewind more than 60 g-cm | Sony torque meter
Torque (0.83 oz - inch) CQ-201A
more than 100 g Sony tape tension
(3.53 oz) meter CQ-403
230—370 g Spring scale or
(8.11—13.05 oz) | tension gauge
— Continued on page 2 —
SERVICE MANUAL