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Kenwood KRF-V6060D Service Manual page 13

Audio-video surround receiver
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KRF-V6060D/V7060D/V8060D/X9060D/VR-6050/6060/6070
QQ
3 7 63 1515 0
6-8 VFD Display Controller Driver : LC75711NED (X14, IC78)
Pin No.
Pin Name
1~35
AM1~AM35
36~38
AA1~AA3
AA4~AA8/
39~43
G16~G12
44~54
G11~G1
55
VFL
56
TEST
57
VSS
58
OSCO
59
OSCI
60
VDD
61
RES
62
CE
63
CL
64
DI
6-9 RDS Demodulator IC : BU1923 (X14, IC81) E/T Type Only
Pin No.
Pin Name
1
QUAL
2
RDATA
3
VREF
4
MUX
5
VDD1
TE
L 13942296513
6
VSS1
7
VSS3
8
CMP
9
T2
10
T1
11
VSS2
12
VDD2
13
XI
14
X0
15
NC
16
RCLK
6-10 Composite Selector : NJM2284D (X25, IC101)
Pin No.
Pin Name
1
IN1B
2,7,12
CTL(1~3)
3
OUT1
4,10,15
GND(1~3)
5
OUT2
6
OUT3
8
IN3A
9
IN3B
11
IN2A
13
V
www
14
IN2B
16
IN1A
13
CIRCUIT DESCRIPTION
I/O
O
Output pin of Anode.
O
Output pin of Anode and Grid.
O
Output pin of Grid.
-
Power supply for driver section.
-
Connected to be ground.
-
GND
O
Crystal oscillation circuit output.
I
Crystal oscillation circuit input.
-
Power supply for logic section (+5.0V).
I
Input pin of system reset.
Serial data transfer pin.
I
Chip enable input.
I
Synchronism clock input.
I
Transfer data input.
I/O
O
Output signal of demodulation quality.
O
RDS Demodulation data output.
-
Reference voltage connection pin.
I
Composite signal input.
-
Analog power supply (+5.0V).
-
Analog ground.
I
Comparator input.
O
Comparator output.
I
Connected to ground.
I
Connected to ground.
-
Connected to ground.
-
Digital power supply (+5.0V).
I
Crystal oscillator (4.332MHz) output.
O
Crystal oscillator (4.332MHz) input.
-
Unused.
O
Demodulation clock (1.1875MHz) output.
I/O
I
Composite Cr signal input.
I
Video switch control input.
O
Composite Cr signal output.
-
GND
O
Composite Cb signal output.
O
Composite Y signal output.
I
Composite Y signal input.
I
Composite Y signal input.
I
Composite Cb signal input.
-
Power supply
I
Composite Cb signal input.
I
Composite Cr signal input.
x
ao
y
.
i
8
Pin Description
Pin Description
Q Q
3
6 7
1 3
Pin Description
u163
.
2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9

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