JVC KD-LH2000 Service Manual page 47

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3 7 63 1515 0
NJM2360M (IC921) : DC-DC convertor
1. Pin layout
1
2
3
4
NJM4565V (IC132,IC151,IC251,IC572) : Dual ope amp
1.Terminal layout & Pin function
TE
1
L 13942296513
A
2
-
3
4
HN58X2416FPI-X (IC703) : EEPROM
1.Pin layout
1 A0 VDD
2 A1 WPIN
www 3 A2 SCL
4 GND SDA
.
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2. Block diagram
Switch
1. Cs
collector
8
2. Es
3. C
T
7
4. GND
Switch
6
5. INV
emitter
IN
6. Vcc
5
7. S
I
Timing
8. C
D
capacitor
8
+ 7
B
+ 6
-
5
2.Pin function
Pin name
8
A0
A1
7
A2
GND
6
SDA
SCL
x ao u163
y
5
WPIN
i
VDD
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2 9
8
1
Q Q S
2
R
Q
1
2
C
T
3
V
REF
1.25V
GND
4
Q Q
1 AOUTPUT
3 6 7 1 3
2 A-INPUT
3 A+INPUT
4 V
5 B+INPUT
6 B-INPUT
7 B OUTPUT
8 V
Function
Serial data input/output
Serial clock input
.
9 4 2 8
Driver
8
collector
Ipk sense
7
Ipk
OSC
+
6 V
COMP
+
-
Comparator
5
reversal input
1 5 0 5 8 2 9 9 4
m
co
KD-LH2000
9 9
2 8 9 9
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