Kenwood DVR-8100 Service Manual page 10

DVR-8100
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3 7 63 1515 0
4-4 DC Motor Driver : FAN8082(DVD & VIDEO IC69)
Pin No. Pin Name
1 GND
2 VO1
3 VCTL
4 VIN1
5 VIN2
6 SVCC
7 PVCC
8 VO2
4-5 S-Video & Video Selector : LA79510E (DVD & VIDEO, IC70)
Pin No. Pin Name
1,3,5,7,9,11,
13,31,32,34,
36,38,40,42,
NC
44,46,48,49,
51,53,55,57,
59,61,64
2 VC1IN
4 NFBCG
6 VC2IN
8 VC3IN
10 VC4IN
TE
12 VC5IN
L 13942296513
14 VC6IN
15 GND2
16 MUTE
17~19 MUTE(3~1)
20 CTL 3
21 CTL 2
22 CTL 1
23 VC02
24 VC01
25 -VCC
26 VB02
27 VB01
28 -VCC
29 VA02
30 VA01
33 VCC
35 VA6
37 NFB(G)
39 VA5 IN
41 VA4 IN
43 VA3 IN
45 VA2 IN
47 VA1
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50 VB1IN
52 NFBBG
54 VB2 IN
56 VB3 IN
58 VB4 IN
60 VB5 IN
62 VB6 IN
10 63 VCC4
CIRCUIT DESCRIPTION
I/O Pin Description
- Ground
O Output 1
I Motor speed control
I Input 1
I Input 2
- Supply voltage (Signal)
- Supply voltage (Power)
O Output 2
I/O
- Unused.
I Input of C signal for S-video terminal (unused).
- Negative feed-back pin of amplifier (unused).
I Input of C signal from video driver.
I Input of C signal for S-video 1 terminal.
I Input of C signal for S-video 2 terminal.
I Input of C signal for video (unused).
I Unused.
- GND
- Mute time constant changing pin.
- Switching pin of mute.
I Video switch control 3 input.
I Video switch control 2 input.
I Video switch control 1 input.
O Output of C signal for monitor output.
O Rec output of C signal for S-video 1terminal.
- Negative power supply.
O Output of Y signal for monitor output.
O Rec output of Y signal for video 1.
- Negative power supply.
O Monitor output to video 2.
O REC output to video 1.
- Positive power supply.
I Unused.
- Negative feed-back pin of amplifier (unused).
I Input of video signal (unused).
I Input of video signal for video 2.
I Input of video signal for video 1.
I Input of CY signal from video driver.
I Input of video signal for composite (unused).
I Input of Y signal for S-video terminal (unused).
- Negative feed-back pin of amplifier (unused).
x ao
y
I Input of Y signal from video driver.
I Input of Y signal for S-video 1terminal.
. i
I Input of Y signal for S-video 2 terminal.
I Input of Y signal for video (unused).
I Unused.
- Positive power supply.
8
Internal Block Diagram
GND 1
VO1 2
VCTL 3
VIN1 4
Pin Description
Q Q
3 6 7 1 3
u163
.
2 9 9 4 2 8
DRIVER OUT
PRE DRIVER
TSD BIAS
LOGIC SWITCH
1 5 0 5 8 2 9 9 4
m
co
9 9
8 V02
7 PVCC
6 SVCC
5 VIN2
2 8 9 9