Sony ta f 190 service manual

Page 1

SERVICE MANUAL

TA-EIIIII

Germany Model

This set is almost the same as model TA-Fl70 previousy producedr
Therefore, see the TA-Fl70/F240 service manual for the information which is contained in this service manual.

" :Modlfled polnt

Page TA-F1 70

TA-F1 90

Power consumption

Model Germany

1 TA-F1 70

4 W I" 5 W
DIN 1 kHz ms 5° 0

8ohm$ 35w + 35W

Power consumption

4 N W + W
D|N1 kHz 0 ms 55 55

Bohms 35W+35W

14
Reero. Part No. Description Remark Ref. No. Part No. Descrigtion 14 Remark
2 4-945-182-01 PANEL, FRONT (F170) 2 4-945-I82-32 PANEL. FRONT
I3 4-945-176-OI BUTTON (TOXII) 13 4-947-011-01 BUTTON (F)
--------- - 25 4-864~307-OD RING
57 4-945-480-01 SHEET. INSULATING 57 not suDDIide
15 59 t Z-379-6I4-01 HOOK 59 t 4-949-235-OI HOOK
SO 3-706-I65-00 SCREW 60 4-947OTO-OI SCREW. FEEDER FIXED
61 t 4-944-986-2I PANEL, BACK (F170:GEIWIANY) 6| 3 4-944-986-6I PANEL, BACK
3-753-389-II MANUAL. INSTRUCTION 3455-00? MANUAL, INSTRUCTION
(OEIMAN)
20 8 4944-050-01 INDIVIDUAL CANTON 8 4-951-286-OI INDIVIDUAL CARTON
x 4-945-810-01 CUSHION (LEFT) (F240) t 4-9458IDDI CUSHION (LEFT)
t 4-945-8II-OI CUSHION (RIGHT) (F240) 8 4-9458II-OI CUSHION (RIGHT)
II 5 7-682-549-04 SCREW +I3VTT 3XIO (S) If 5 7-685-647-79 SCREW +BVTP 3X10 TYPEZ IT-3

INTEGRATED STEREO AMPLIFIER

SONY;

Page 2

TA-F1 90

SECTION 3
ELECTRICAL ADJUSTMENT
Note:
- Adjustment should be performed 10 minutes after the
POWER switch on (POWER ON).
Blas Current Adjustment
Settlng: Adlustment Location:

VOLUME control: minimum
[MAIN BOARD] - Component Side -

VOM
(DC V range) fivsol mm
m r92
/ i

*
- - J
F _ TP1 or TP2

on MAIN board

Procedure:
Adjust RVSOl (L-CH) and RV601 (R-CH) so as to obtain
4 mV at TP1 and TPZ respectively.

English

- 9202121-1

Sony Corporatlon Printed in Japan

9-956-967-1 1 Audlo Group @1992. 3

Published by Customer Relations and Service Group

_2._