Kenwood RXD-790 Service Manual page 39

DQ DR
+12V
+5V
D42
D41
D40
-25.4V
-22.8V
-19.5V
-27.8V
-20.3V
X
IC1
(BOTTOM VIEW)
MAIN u-COM
C4 0.01
R27 1K
R28 1K
C3 0.01
R26 10K
R25 10K
R34 47K
R35 47K
( 28
)
5 4 3 2 1
X E7
WH6
X
WH7
DS DT
12
11
10
81 -25.9V
P16
82 -19.5V
P15/KEY15
83 -16.2V
P14/KEY14
84 -22.7V
P13/KEY13
85 -24.7V
P12/KEY12
86 -26.0V
P11/KEY11
87 -22.8V
P10/KEY10
88 -25.0V
P9/KEY9
89 -12.9V
P8/KEY8
90 -22.7V
P7/KEY7
91 4.9V
VCC +VCC
92 -26.6V
P6/KEY6
93 -26.6V
P5/KEY5
94 -22.6V
P4/KEY4
95 -24.0V
P3/KEY3
96 -24.0V
P2/KEY2
97 -22.5V
P1/KEY1
98 -32.8V
VEE -32V
R18
99 27K
VSS
100 2.4V
VREF
CP1 100Kx14
D8
-32V
D12 D47
SDS 3D 3STEREO/
+ HITMASTER
EXPANDER
S41
B
C
VDD
4.9V
( 20 )
A
( 19 )
0V
( 18
)
R42
47K
4.8V
( 17 )
R23 1K 4.9V
( 28 )
R24 1K
4.9V
(
11 )
( 10 )
( 9 )
( 12 )
D1
+5.6V
-32V
D48
C30
+5.6V VDD
0.047
RXD-790 (X14-449X-XX)
DESTINATION
D20, R30,102,
UNIT No. D45 E7 E8 IC1
COUNTRY ABB. 21 106,107
GENERAL MARKET M
0-21
I
MALAYSIA
AUSTRALIA X YES YES YES NO M38198MCA807FP NO
0-71
KOREA H
U.S.A. K 0-11 NO
DU DV
ED1
+12V
+5V
EX.BASS
PGM INTRO
R D
D57
1d
D26
83
D27
84
D28
85
D29
86
D30
C1 B1
87
D31
88
D32
89
D33
90
D34
92
D35 ( 11 )
93
D36
94
D37
95
C12
D38
( 10 )
1u50
96
D39
+
97
C29
+5V
10u50
+
-32V
D46
PRO LOGIC/
N.B. CIRCUIT
IC2
IC5
C13
(BOTTOM VIEW)
0.1 1
BIAS
20
VDD R46
5.0V 2.5V
D12
19 1 0V 220 C14 2
POWER SRS LED VREF
0V 18 0.1 1.5V
D47
ECHO B 3 STEREO R101
2 0V 3
17 LED REFERENCE CURRENT
ECHO A 220 R37
2.5V
100K
D46
3 0V R47
PRO LOGIC 4
68Hz
LED PEAK HOLD
BPF
4 0V 220
HI TAP 4
5
5 170Hz
VSS
16
PEAK HOLD
BPF
CH SP
6 5.0V
15 DCOFF 6
VSS
7 5.0V A+C
6 420Hz
14 DOLBY ON 7
PEAK HOLD
BPF
CLR
8 0V
SP RELAY 8
C15
13
9 0V
STB 0.1 7 C
1kHz
CS RELAY 9
DIF PEAK HOLD
0V 12 BPF
10 0V
CLK
2.5V
SO 10
0V 11
DATA 8 A
2.4kHz
PEAK HOLD
BPF
C16
2.5V
0.1
9
VCC VCC 5.9kHz
PEAK HOLD
BPF
5.0V
14.4kHz
PEAK HOLD
BPF
RXD-V860 (X14-4XXX-XX)
DESTINATION
D20,
R31 WH7 WH8 UNIT No. D45 E7 E8 IC1
COUNTRY ABB. 21
GENERAL MARKET M
490-20
I
MALAYSIA YES NO NO YES M38199MF069FP
YES YES NO SHANGHAI V 652-10
DW DX
1G 2G 3G 4G
N.B. ECHO O.T.T.
EDIT P.B.C. MEMORY PROG. 1 2 TUNED STEREO
S EON TP TA NEWS INFO. PTY TOTAL AUTO
2d 1d 2d 1d 2d 1d 2d
A B
DOLBY NR
B10 B19 B28 B1 B10 B19 B28
10G 9G
-29.1V
4.9V
Q3 Q4 Q5 Q6 Q7 Q8
-29.3V -29.3V -29.3V -29.3V -29.3V -29.3V
+12V
I/
POWER
S1
SPEANA
( KR0 )
N.B
CIRCUIT
or PRO
18 -LOG IC
S42
AOUT
17 0.2V
16 ( KR1 )
RES TEST
15
INPUT
RES
S13
MPX 14
RES
( KR2 )
R12
13 4.1V
RES
10K
12 1.3V
12
POP
RES R14
S18
12K
11 1.0V
RES
11
R15
( KR3 )
S5
12K
DEC
RES
(BEST HITS)
10 1.9V
10
or DIGITAL.
R16
ECHO
12K
VDD
RXD-V890 (X14-4XXX-XX)
DESTINATION
R30,102, D20, E7,
R31 WH7 WH8 UNIT No.
21,45 8
106,107 COUNTRY ABB.
GENERAL MARKET M
490-22
I
YES NO NO YES MALAYSIA YES YES
SHANGHAI V 652-11
DY DZ
5G
REPEAT
EQ.ON
RANDOM
DISC ALL
SLEEP
dB
1 2
kHz
MHz
1d 2d
REV.MODE
B1 B10 B19 B28
8G
Q9 Q10 Q11
-29.3V -29.3V -29.3V
+12V
EQ OFF TUNE SRS3D RESET
S17 S7 S9 S2
(HIT
MANU/ MASTER) EX.
REF BAND or 3 ST BASS
S16 S6 S8 S3
CLASSIC AUTO ENTER DISPLAY
S15 S10 S12 S4
ROCK (BEST
HITS) or
S14
MODE
STEREO
S5 S11
S40
R30, R102, WH7,
IC1
31 106,107 8
M38199MF069FP NO YES YES