H
VIN
VOUT
NR
GND
:ON
1
2
3
4
5
IC
CLAMP
V
TUNER
30
LOGIC
IIC BUS
SDA
89
SCL
88
(SW10)
CLAMP
CLAMP
CLAMP
CLAMP
BIAS
CLAMP
SLICER
85
OUT
ADC
V/Y
83
OUT
C-ADC
81
TUNER V
AV2 V/Y
AV2 R/C
AV3 V
AV4 V
AV4 Y
AV4 C
AV3 C
AV3 Y
AV1 V
CIRCUIT
SWITCH
SELECT
OUTPUT
ADC
OUT
V
AV2
28
SV2
e
d
c
b
a
OUT
V/Y/C
AV1
26
SV1
e
d
c
b
a
a
b
(SW9)
OUT
V
AV4
24
23
a
b
(SW8)
OUT
C
AV4
22
(SW7)
a
b
OUT
Y
AV4
20
19
OUT
G
AV1
17
6MHz
(SW5)
12MHz
a
b
c
15
OUT
Y
COMP
14
(SW6)
a
b
c
d
OUT
B
AV1
12
OUT
B-Y
COMP
11
6MHz
(SW4)
12MHz
a
b
c
d
OUT
R-C
AV1
9
(SW3)
a
b
c
OUT
R-Y
COMP
7
(SW2)
a
b
c
(SW1)
12MHz
6MHz
CLAMP
BIAS
CLAMP/
CLAMP
BIAS
CLAMP/
+
LPF
6MHz
CLAMP
BPF
6MHz
BIAS
a
b
CLAMP
BIAS
c
b
a
AV2 V/Y
AV2 B
AV2 G
AV2 R/C
AV3 V
AV3 C
AV3 Y
AV1 V
31
5
3
1
37
45
41
33
99
97
95
93
91
(SA4L)
SELECT SWITCH
OUTPUT
71
AV1 Lch
78
ADC Lch
73
AV2 Lch
74
AV2 Rch
79
ADC Rch
AV1 Rch
72
LPF
BUFF.
MUTE
AGC
AMP
ADC Lch
LPF
BUFF.
MUTE
LPF
BUFF.
MUTE
d
c
b
a
MUTE
BUFF.
LPF
AMP
ADC Rch
AGC
MIX
+
VCA
MUTE
RF OUT
76
TUN Lch
62
54
TUN Rch
AV4
TUN
(SA5L)
BUFF.
e
d
c
b
a
(SA1L)
e
d
c
b
a
(SA3L)
e
d
c
b
a
(SA2L)
58
AV3 Lch
d
c
b
a
(SA4R)
SELECT SWITCH
OUTPUT
AV3 Rch
50
(SA5R)
TUN
AV4
BUFF.
e
d
c
b
a
(SA2R)
AV2 Lch
61
AV2 Rch
53
AV1 Lch
AV1 Rch
DAC Lch
DAC Rch
60
52
e
d
c
b
a
(SA3R)
e
d
c
b
a
(SA1R)
64
56
IC3001
VIDEO/AUDIO PROCESSOR
IC-DETAIL BLOCK DIAGRAM
IC4011
AU +5V SWITCHING REGULATOR
IC-DETAIL BLOCK DIAGRAM
IC3001
Detail Block Diagram
IC4011
Detail Block Diagram
DMR-EH55EC/EP,EH56EG IC-Detail Block Diagram
CLAMP
AV4 V
35
CLAMP
AV4 Y
39
BIAS
AV4 C
43
59
AV4 Lch
AV4 Rch
51
60
Summary of Contents for DMR-EH55EC
Page 7: ...3 2 Caution for DivX 4 Specifications 7 ...
Page 8: ...8 ...
Page 11: ...11 ...
Page 12: ...12 ...
Page 13: ...13 ...
Page 17: ...5 Put deck upward and push out Tray by Eject Pin JZS0484 or minus screw driver small ...
Page 48: ...10 7 DV Jack P C B 1 Remove 1 Screw A to remove DV Jack P C B 10 8 HDD 36 ...
Page 55: ...11 1 2 Checking and Repairing of RAM Digital P C B Module 43 ...
Page 56: ...11 1 3 Checking and Repairing of Main P C B 44 ...
Page 57: ...11 1 4 Checking and Repairing of HDD 45 ...
Page 58: ...11 2 Caution for Replacing Parts 11 2 1 Items that should be done after replacing parts 46 ...
Page 70: ...16 1 2 Packing Accessories Section 58 ...
Page 78: ...66 ...
Page 167: ...Ref No MODE E C B REC 3 8 1 2 3 1 PLAY 3 8 1 2 3 1 STOP 3 8 1 2 3 1 Q7802 ...