8X-1C10
CONTENTS
About 220V only model labeled "
GNu
This model whose rear
panel is
labeled "GNu circular mark operates only on 220V
substantially in its circuit design
from two other
models. When repairing this model
please see the manual on page 75 and the
followings which include such items as Circuit
connection diagram
, Miscellaneous parts list
, Schematic diagram of power supply circuit
assembly, P.
C. board pattern and its parts list.
Before servicing, also please do not fail to check
to see if the "
GN" mark is labeled on the
rear panel.
SPECIFICATIONS...............................................
FRONT PANEL FACILITIES
.................,.................... 5
CONNECTION DIAGRAM
..........................,............. 7
BLOCK DIAGRAM.......................................... ....
CIRCUIT DESCRIPTION .........................................
DIAL CORD STRINGING..................................... ....
DISASSEMBLY .................................................
PARTSANDP. BOARDLOCATIONS............................. 14
LEVEL DIAGRAM..................... .........................
ALIGNMENT PROCEDURE
10. 1 English...................................................
10.
Abgleichverfahren ..........................................
EXPLODEDVIEWANDPARTSUST............................... 20
SCHEMATIC DIAGRAMS
, P. C. BOARD PATTERNS AND
PARTS LIST
12. Circuit Connection Diagram and
Miscellaneous Parts.
. . . . . . . . . . . . ..
12.2 FM
Front End (AWB-017).................................... 32
12.3 Tuner Assembly (AWE-
040)................................... 33
12.4 Muting Circuit
Assembly (AWM-O39)........................ ....
12.
Equalizer Amplifier Assembly (AWF-
013) . . . . . . . . . . . . . . . . . . . . . . ..
12.6 Control AmplifierAssembly(AWG-
O27)..................... ....
12.7 Power
Amplifier Assembly (AWH-
O32) .. . . . . . . . . . . . . . . . . . . . . . . ..
12.
Protection Circuit Assembly (AWM-
062) . . . . . . . . . . . . . . . . . . . . . . . ..
12.9 Power Supply
Circuit Assembly (AWR-
053) .. . . .
. . . . . . . . . . . . . . . ..
12.
10 Power Supply
Circuit Assembly (AWR-
O54) . . . . . . . . . . . . . . . . . . . . ..
12. 11 Switch Circuit
Assembly (AWS-
064) ............................
12. 12 Switch Circuit
Assembly (AWS-
068) ............................
12. 13 Switch Circuit
Assembly (AWS-069) ............................
12.14 Switch Circuit
Assembly (AWS-
070) ............................
12.15 Switch Circuit
Assembly (AWS-
071) ............................
12. 16 Switch Circuit
Assembly (AWS-O72) ............................
12. 17 5PConnectorAssembly(AWX-
062) ............................
PACKiNG METHOD AND PART NUMBERS
.......................... 71
SCHEMATIC DiAGRAMS
, P.C. BOARD PATTERNS AND
PARTS LIST FOR 220V ONLY MODEL
14. 1 Circuit
Connection Diagram and Miscellaneous Parts. . . . . . . . . . . . . . . .. 75
14.2 Power Supply
Circuit Assembly (AWR-
063) . . . . . . . . . . . . . . . . . . . . . ..
10.
11.
12.
13.
14.