Kenwood KR-A4060 Service Manual page 8

KR-A4060/A5060
CIRCUIT DESCRIPTION
2. Receiver .-com : CXP5016-531S (Front PCB : IC901)
2-1. Key matrix connection diagram
1 64 <
VRDOWN voo
Se 19 63
BACKUP VRUP
Seek 8S 62. —____
REMOCON RESET
a 4 61 i
5 EXTAL S50 4.194MHz
KR1—— XTAL
6 59
KR2 SDATA
7 58
KR3 INT2
8 57
KR4
VFDP
9 56
KR5———_ | G1
10. : 55
KR6 G2
11 54 .
KR7 G3 Grids
12 53
KSO G4
13 52
KS1 G5
14 51
KS2 NC
15 50
KS3 NC
TYPE 16 49
1 NC
NC
So
2
SS sa KR4 PDO (8)
Sm
SI
Sk
Sj
Type |_KRS PD1(9)
3
0908 | etype | KR6 PD2 (10)
K TYPE
NC | Segments
Sg
Sf
Sd
Sc
Sb
Sa
LM7001
NJU7311L
NJU7313L
2-2. Setting of destinations, models and specifications depending upon diode key matrix
The setting of destinations, models and specifications is made according to the initial set diode key matrix.
In the following, "1" means with diodes and "0" without diodes.
a
LL
—
a.
Lid
=)
a<
Liu
* Model set switch (Type 2 : D921) Model set ath tgs
MODEL
Type 1 Type 2 TUNER band —|VOL.CONT with motor] REMOCON