Kenwood KGP-2A, Service Manual Supplement

Page: 28 / 41

28
KGP-2A/2B
SCHEMATIC DIAGRAM
X53-398 3/4
K L M N O
A13
SRDA
T2
RXD2
AL9
A0
SEN5
R56
0
R73
0
A17
TXD0
SRDA
T1
A2
R86
47k
SEN6
FROMCE
CP38
1k*4
5
A10
WR
CP35
1k*4
5
SEN7
S1
S70-0446-05
DSPCSL
CP34
100*4
1
A7
L21 *
IC20
*
1
1/G
A1
Y4
A2
Y3
A3
Y2
A4
Y1
10
GND
11
A1
Y4
A2
Y3
A3
Y2
A4
Y1
2/G
20
Vcc
CP41
100*4
1
CN7
A5
FROMCEL
AL2/HCNTL0
* CP56
CP42
100*4
1
AL10
L8
C106
0.01u
A4
A1
R100
1k
DSPCS
C94 *
D5
AL0/HRW
AL8
CN13
A2
L12
D5
D6
SEN9
A15
AL3/HCNTL1
CP32
100*4
SEN8
CP27 100*4
1
A0 D6
SEN0
D30
MA2S111-F
R71
*
AL12
DL3
SEN11
IC14
*
1
Out
2
Vdd
3
GND
4
NC1
5
NC2
R150 *
R95 47k
C115
*
D7
AL14
CN18
RD
DL6
SEN10
*
CP80
5
CP39
100*4
1
AL14
VRLD
DL0
R92
47k
D0
A6
CN8
C83
0.1u
L23 *
CP29 100*4
5
AL12
C82
0.1u
CP40
100*4
1
RXD1
A2 A13
* CP52
IC21
*
1
1/G
A1
Y4
A2
Y3
A3
Y2
A4
Y1
10
GND
11
A1
Y4
A2
Y3
A3
Y2
A4
Y1
2/G
20
Vcc
A4
A16
A11
Q21
*
A18
AL4
A6
A9
RDL
AL6
A18
A14
A19
*
CP46
A9
1
A0 A1 A2
4
GND
5
SDA SCL
WP
8
VCC
D2
AL19
AL5
A16
R65
0
A9
A17
D1
R75
0
CP23
1k*2
1
CN9
D2
AL17
Q12 *
AL7
A3
A1
RD
E2PSCL
D4
D1
D54
*
AL6
R130
0
DL5
D7
E2PWP
RDL
D3
RD
R218 47k
DSPCS
AL4
DL4
A18
CP43
100*4
1
C89 0.1u
*
CP81
E2PSCL
AL17
DL5
*
CP55
C110 0.01u
CN16
DL0
A6
DSPRINT
R58
1k
AL19
SRCLK1
D55 *
DL6
SRCLK2
R128
*
1
NC
INY
3
VSS
4
oUTY
5
VDD
DL7
A19
R201
47k
CN10
AL9
Q13
*
R151 *
DSPTINT
WRL
CP25
100*4
5
SEN14
DL7
L10
CN15
AL10
C123
*
SEN_ACC2/2
R93
47k
C88
10u10
R152
1k
DSPRINT
SEN15
SEN1
R120 *
AL8
1
SEN12
SEN11
SEN10
SEN9
SEN8
BYTE
CNVss
MES
FRBSY
RESET
Xout
Vss
Xin
Vcc
NMI
SRCLK1
SRCLK2
PFINT
E2PSCL
VRLD
SEN_ACC2/1
SEN_ACC2/2
SEN_ACC3
25
RADOE
26
RADST RXD2 TXD2 TXD1 RXD1 CLK D
ATA
TXD0 RXD0 RADSQ RADTXS RDY ALE HOLD HLDA BCLK RD BHE WR DSPCS E2PSDA E2PWP FROMCE A19
50
A18
51
A17
A16
A15
A14
A13
A12
A11
A10
A9
Vcc
A8
Vss
A7
A6
A5
A4
A3
A2
A1
A0
MODESW
DSPRINT
DSPTINT
DSPCLR
75
SRSEL
76
SRDA
T1
SRDA
T2
LEDLCK
D7 D6 D5 D4 D3 D2 D1 D0
SEN7 SEN6 SEN5 SEN4 SEN3 SEN2 SEN1
A
Vss
SEN0
Vr
ef
A
Vcc
SEN13 SEN14
100
SEN15
A10
RXD0
A1
SEN_ACC2/1
SEN12
SEN2
R121 *
C75
470p
A12
DL1
A3
R127 *
SEN13
SEN3
SEN_ACC3
R63 0
*
CP53
A14
DL1
DL2
C107
0.1u
A5
SRSEL
SEN4
D56
*
Q11
DTC114YE
AL18
E2PSDA
DL2
FROMCE
A7
C74
0.01u
AL16
DL3
A4
DSPCSL
*
1
INB
INA
3
VSS
4
OUTY
5
VDD
CP30 100*4
5
DL4
D57
*
A7
A12
Q26
*
CP36
1k*2
* CP59
A8
Q25
*
R126
*
A14
D5
CN12
AL3/HCNTL1
Q14
*
A15
R77
0
E2PSDA
AL5
C176 *
A8
D6
R129
0
A11
AL15
WR
CN11
CP28
1k*2
1
A12
AL0/HRW
AL7
RADSQ
*
CP54
DSPTINT
R90
47k
CP37
47k*4
5
A8
D4
AL13
A13
D1
CP31
47k*4
5
WR
A5
*
CP58
FROMCE
A0
R72 47k
D7
RADTXS
DSPCLR
AL13
A15
D0
D2
A10
IC31
*
1
1/G
A1
Y4
A2
Y3
A3
Y2
A4
Y1
10
GND
11
A1
Y4
A2
Y3
A3
Y2
A4
Y1
2/G
20
Vcc
A16
TXD1
CP22
100*4
5
AL15
E2PWP
R200 *
C109
10u10
R64
*
AL11
D3
AL2/HCNTL0
D3
LEDCLK
CN17
TXD2
A11
AL11
C175 *
CP82 47k*4
1
A3
DSPCS
*
CP57
Q24
*
D0
C98 *
D4
CP47
100*2
1
FROMCE
IC19 *
1
VCCA
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND1
12
GND2
13
GND3
B8
B7
B6
B5
B4
B3
B2
B1
oE
VCCB1
24
VCCB2
AL1/HBIL
AL1/HBIL
R126
D54-57
TC74LVX244FT
SURGE
ABSORPTION
NO
NO
470k
R127
100
SWITCHING
D54
-20
X53-3980-XX
100
M
SWITCHING
C94
NO
47k
IC21 CP58
C175
NO NO
IC14
TC74LVX244FT
NO NO
R151
NO NO
NO
NO
CP59
NO
R64
IC19
DTC114YE
LEVEL
CONVERTER
100
LEVEL
CONVERTER
NO
-21
LEVEL
CONVERTER
0.01u
C176
LEVEL
CONVERTER
270k
R200
D56
R71
IC31
RN47A4-F
SWITCHING
Q21,24-26
KGP-2B M
KGP-2A
NO
R3111N451C-F
R150
NO
NO 0.01u 0.01u KGP-2A M
DTC114YE
RN47A4-F
Q13
RN5VL30C NO
0.01u
TC74LVX244FT TC7S08F-F
NO NO M 100 NO
NO
NO 100
NO
D57
NO
NO NO
100
DA204U
X53-3980-XX
NO
Q26
KGP-2B NO
0
NO 100
NO
NO
0.01u
NO
1k
CP53
NO NO
L21 L23
-21
CP55
-20
1k
D55
0
Q14
CP80
C123
DA204U
Q12
Q24
IC23 CP56
NO
CP46 CP52
R120
CP54
100
470k
NO NO
47k
Q21
RN47A4-F
DTC114YE
TC7LVX4245FSF
R128
47k
CP81
47k
100
L92-0140-05
C98
NO
0.01u 1k
IC20
NO
C115
NO
DA204U DA204U
L21-0140-05 DTC114YE
NO
270k
Q25
CP57
0
R121
NO NO
DSPCS
AL16
RD
A17
WRL
FROMCEL
AL18
A19
RESET IC
Q12,14
SWITCHING
IC23
GATE IC
D30
REVERSE
CURRENT
PROTECTION
IC17
30620M8A2M6GPU
CPU
IC15
AT24C08A10SU18
EEPROM
IC24
TC7S04F-F
GATE IC
5.00V
3.30V 3.30V 3.30V
3.30V 5.0V
5.0V
CONTROL UNIT (X53-3980-XX)