19
CIRCUIT
ANT IN
1
5
3
3
1
8
30
32
VCR
TUNER
RF MOD
IF BLOCK
DECODER
IN OUT
TV CTL
OUT IN
TV
IN OUT
OUT IN
C+(L)
30
A B C D
LA7152
LA71511M
KA8119B
30
H
H
L
L
AV3
CTL
AV4
CTL
5
38
29
5
4
F
E
F.AV IN
*CTL
AV1
AV2
AV3
AV4
1. KA8119B : Special Functions & Features
(1) Internal Audio/Video Switch for C+. (2-input, 1-output)
(2) Internal Video Selector. (4-input, 1-output)
(3) Internal Video 6dB Amp
(4) Distinguished Supply Voltage. (Audio : 9V, Video : 5V)
2. LA7152 : 3 input, 1 output Video Switcher
3. BLOCK DIAGRAM
3-7. Video/Audio Switching Circuit
Selection Table For K8118B
Selection Table For LA7152
SEL
A
B
C
D
AV3 CTL
L
L
L
H
AV2 CTL
L
L
H
-
AV1 CTL
H
L
L
-
Remarks
Video
Selector
Only
SEL AV3 CTL AV2 CTL AV1 CTL
Remarks
E
H
H
H
Only Case 12 & 13 in C+ SW Mode
F
All cases are selected except for E
Summary of Contents for DV-K88 series
Page 71: ...68 CIRCUIT DIAGRAMS 9 1 Connection Diagram SECTION 9 CIRCUIT DIAGRAM 68...
Page 72: ...69 CIRCUIT DIAGRAMS R819 5 1 9 2 Power Circuit Diagram...
Page 73: ...70 CIRCUIT DIAGRAMS 9 3 Syscon and Logic Circuit Diagram...
Page 74: ...71 CIRCUIT DIAGRAMS 9 4 AV SW Circuit Diagram...
Page 75: ...72 CIRCUIT DIAGRAMS 9 5 IF PDC Circuit Diagram TM...
Page 76: ...73 CIRCUIT DIAGRAMS 9 6 If Module Circuit Diagram A2...
Page 77: ...74 CIRCUIT DIAGRAMS 9 7 If Module Circuit Diagram Nicam...
Page 78: ...75 CIRCUIT DIAGRAMS 9 8 Hi Fi Pre Amp Circuit Diagram...
Page 79: ...76 CIRCUIT DIAGRAMS 9 9 Video Audio Circuit Diagram...
Page 80: ...77 CIRCUIT DIAGRAMS 9 10 Remocon Circuit Diagram...
Page 81: ...SECTION 10 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 78 P C B LOCATION 10 1 PCB Main...
Page 82: ...80 P C B LOCATION 10 3 PCB Logic DV K8K S S Series DV K86 S S Series DV K82 S S Series...
Page 83: ...81 P C B LOCATION DV K88 S S Series...
Page 84: ...SECTION 11 DISASSEMBLY 83 DISASSEMBLY 11 1 Packing Ass y...
Page 85: ...84 DIAGRAMS DV K88 Series DV K82 Series DV K8K Series DV K86 Series 11 2 Front Panel Assembly...
