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Kenwood RD-HD5MD Service Manual page 16

Micro hi-fi component system
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RD-HD5MD/HD7
QQ
3 7 63 1515 0
Port No.
Port Name
20
F0CNT
21
VREF
22
EQADJ
23
3TADJ
24
VCC
25
WBLADJ
26
TE
27
CSLED
28
SE
29
ADFM
30
ADIN
31
ADAGC
32
ADFG
33
AUX
34
FE
35
ABCD
36
BOTM
37
PEAK
38
RF
39
RFAGC
40
AGCI
41
COMPO
42
COMPP
TE
43
ADDC
L 13942296513
44
OPO
45
OPN
46
RFO
47
MORFI
48
MORFO
6-8 4ch BTL Driver : BA5815FM (X33, IC4)
Pin No.
Pin Name
1
FWD
2
REV
3
VCNT
4
FIN1
5
RIN1
6
FIN2
7
RIN2
8
VCC1
9
L (+)
10
L (-)
11
SL (-)
12
SL (+)
13
FCS (-)
14
FCS (+)
15
TRK (+)
www
16
TRK (-)
17
SP (-)
18
SP (+)
19
GND
.
20
VCC2
21
MUTE
22
OPOUT3
16
CIRCUIT DESCRIPTION
I/O
I
Internal current setting pin.
O
Reference voltage output (unused).
I/O Center frequency setting pin for EQ.
I/O Center frequency setting pin for BPF3T.
-
Power supply.
I/O Center frequency setting pin for BPF22.
O
Tracking error signal output.
-
Capacitor (LPF) connection pin for sled error signal.
O
Sled error signal output.
O
ADIP FM signal output.
I
ADIP signal comparator input.
-
ADIP AGC capacitor connection pin.
O
ADIP binary signal output.
O
Auxiliary output /temperature signal output.
O
Focus error signal output.
O
I-V amplifier output pin.
O
Bottom hold signal output of RF/ABCD.
O
Peak hold signal output of RF/ABCD.
O
RF equalizer output pin.
-
Capacitor connection pin for RF AGC.
I
RF AGC input.
O
User comparator output pin (unused).
I
User comparator non-inversion input pin.
I/O Capacitor connection pin of feed-back circuit for ADIP amplifier.
O
User OP amplifier output (unused).
I
User OP amplifier inversion input.
O
RF amplifier output.
I
Input pin of RF signal for groove with AC coherence.
O
Output pin of RF signal for groove.
I/O
I
Input for loading forward.
I
Input for loading reverse.
I
Output control terminal for loading.
I
CH1 PWM forward input.
I
CH1 PWM reverse input.
I
CH2 PWM forward input.
I
CH2 PWM reverse input.
-
VCC1(PRE,LD,CH1,CH2)
O
Inverted output of loading.
O
Not inverted output of loading.
O
Inverted output of CH2.
O
Not inverted output of CH2.
O
Inverted output of CH1.
O
Not inverted output of CH1.
O
Not inverted output of CH4.
O
Inverted output of CH4.
O
Not inverted output of CH3.
x
ao
u163
y
O
Inverted output of CH3.
-
GND
i
-
VCC2(CH3,CH4)
I
Mute control.
O
Output of CH3 OP-AMP.
2 9
8
Description
Q Q
3
6 7
1 3
1 5
Pin Description
co
.
9 4
2 8
Active
H
L
0 5
8
2 9
9 4
2 8
m
9 9
9 9

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