Text preview for : s_ic3001.pdf part of PANASONIC DMR-EH575 SERVICE MANUAL
Back to : DMR-EH575EGK.part1.rar | Home
IC3001 VIDEO/AUDIO PROCESSOR IC-DETAIL BLOCK DIAGRAM
IC4001 AU +5V SWITCHING REGULATOR IC-DETAIL BLOCK DIAGRAM
5 VOUT 4 VIN
91
BIAS
6MHz BPF +
6MHz 12MHz
(SW1) a b c
(SW2) a b c (SW3) a b c d
COMP R-Y OUT
7
93
CLAMP
6MHz LPF
AV1 R-C OUT
IC
9
95
CLAMP/ BIAS
6MHz 12MHz
(SW4) a b c
COMP B-Y OUT AV1 B OUT (SW6)
NR 1
11
GND 2 3
H :ON
97
CLAMP
12
99
CLAMP/ BIAS
6MHz 12MHz
(SW5) a b c
a b c d
COMP Y OUT
14
(SA1R) 56 64 DAC Rch DAC Lch a b c d e OUTPUT SELECT SWITCH (SA4R) a b c d BUFF. LPF MUTE AV1 Rch 72
33
AV1 V
CLAMP AV1 G OUT
15
17
20 (SW7) a 41 AV3 Y CLAMP b (SW8) a b (SW9) a b 37 AV3 V CLAMP AV4 Y OUT
(SA3R) 52 AV1 Rch AV1 Lch AV2 Rch AV2 Lch (SA5R) (SA2R) BUFF. a b c d e a b c d e
19
60 53
AGC
ADC Rch AMP
ADC Rch
79
AV4 C OUT
22
61
45
AV3 C
BIAS
AV4 V OUT
AV4
23
BUFF. LPF MUTE AV2 Rch 74
TUN
SV1 a b c d e SV2 a b c d e AV2 V OUT AV1 V/Y/C OUT
24
50
26
AV3 Rch
(SA2L) 58 AV3 Lch a b c d e OUTPUT SELECT SWITCH (SA4L) a b c d BUFF. LPF MUTE AV2 Lch 73
28
35
AV4 V
CLAMP
(SA3L)
AV1 V AV3 Y AV3 C AV3 V AV4 V AV4 Y AV4 C AV2 R/C AV2 V/Y TUNER V C-ADC OUT
81
51
AV4 Rch
39
AV4 Y
CLAMP
ADC OUTPUT SELECT SWITCH CIRCUIT
V/Y ADC OUT
59
83
AV4 Lch (SA5L) AV4 TUN BUFF.
a b c d e
AGC
ADC Lch AMP
ADC Lch
78
(SA1L) a b c d e BUFF. LPF MUTE AV1 Lch 71
43
AV4 C
BIAS
SLICER
85
SCL BIAS 1 AV2 R/C CLAMP (SW10) b a IIC BUS LOGIC SDA
88 89
54
TUN Rch
3
AV2 G
CLAMP
CLAMP
TUNER V
30
62
TUN Lch
5
AV2 B
CLAMP
76
31 AV2 V/Y CLAMP
RF OUT
MUTE
VCA
+ MIX
IC3001 Detail Block Diagram IC4001 Detail Block Diagram DMR-EH57EC/EP/EE,EH575EG IC-Detail Block Diagram