Kenwood KR 9060 Service Manual

Page 2

CONTENTS

EXTERNAL VIEW ..................... 3
INTERNAL VIEW ..................... 4
DIAL coRD STRINGING ...................... 5
BLOCK DIAGRAM .................................................... 5
CIRCUIT DESCRIPTIONS.... ....................................... ............... 7
DISASSEMBLV I=0R ADJUSTMENT AND REPAIR .......................................... 13
DESTINATIONS PARTs LIST......,.. ................... ; ............................................... 15
PARTS LIsT .......................... '. ........... ................................................ 16
Pc BOARD
POWER SUPPLY IAI Ixoo-Isaoao) .............................................................. 21
POWER SUPPLY (XOO-1840-10) .................................................................... 22
POWER SUPPLY (B) Ixoo-Iseo-IOI ............... L .............................................. 22
[.30ng (x07.14go.10) ............................................................ 23
IF, MPX (X02-1 100-10) .............................. 24
PRE mos-154040) ............... 26
CONTROL (X11-1360~10). I. 28
PUSH sw (X13-2330-10I ..................... 28
MIC AMP (ma-234040) ....................................... 30
FILTER 1x12415040) ............................................................................. 31
RELAY (X13»2400-10) ................................................................................... 31
TROUBLESHOOTING ......................................................................................... 32
HINS FOR FINDING THE TROUBLED UNIT ..................................................... 33
SCHEMATIC DIAGRAM ............................ : ........................................................ 37
ADJUSTMENT..... ...................................................... 39

SPECIFICATIONS...

Products for PX (U typeI are
pmvided with Cabmet as
phDIo. However. Rings and
Cap screws, Instead of handIe,
are mounted on the four cor-
ners of the front panel,

r HAMMOND)

Page 13

DlSASSEMBLY FOB ADJUSTMENT AND REPAIR

COLOR CODE OF MINI-CONNECTOR 2, Replacing or repairing power supply (8) unit
(D While pushing the projection of PC board supporr by
Tube color plier. pull the unn upward

Tube Color Pans No.
PHONOi RED E3l-OO47»05
PHONO 2 BLUE E3l-OO48-05
TAPE (A) RED E31-0050-05
TAPE (Bl GREEN Elli-0057705

3r Replacing relay unit and power supply (A) unit
(D While pushing the projeciron oi PC board support by
plrer, Similarly, as power supply 1E)

Er
PC board\
support
1. Replacing or reparing power pack I

E
I
/ Shield
/fil® @ Plate
® Remove 2 screws. fix the power pack to heat sink U L 7/
® Remove all the solder from all terminals of the [l l
power pack from PC board by heating. l 1
® Replace it With new one 83 GO {066/
Oil
0
// 0::
Heat sink \
\ . , U U U u l
\ > Relay unit Power supply (A) I'll!
>
Power amp unit '% 4 D A
3&1, \ > \
I Z

)5

Screw for
power pack

,/ .
<9