Panasonic DMR-EH65EC, Service Manual

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R3975
R3007
R3009
C3026
C3025
R3006
C4019
C4021
R3976
TL3001
C3915 C4028 C3917 C3928 C4008 C3919 C3910 C3911 C3918 C4025 C3929
C3013
C3027
C3029
C3028
C3031
C3024
3 4 2 5
98
94
95
93
92
91
97
96
1
100
99
80 78 76 77 79
87
86
88
89
82
84
83
81
85
90
16 14 15 17
11
13 12
69 67 65 64 66 68 70
22 23 20 21 24 2 18 19
57 62 60 59 61 63 58 5 75 73 71 72 74
9 7 6 8
10
IC3001
C3001
C3033 C3032 C3005 C3004
C3041 C3006 C3011 C3010 C3009 C3012 C3007 C3008 C4003
C3002 C3003
NC NC
A
V1 LOUT
A
V2 R
OUT
A
G
ND[R]
A
V1 R
OUT
A
V2 LOUT
NC NC
9VL 9VR
DT LIN D
A
LIN
A
V2 LIN D
A
RIN
A
V1 LIN
A
V4 LIN
[51]AV4 RIN
[53]AV2 RIN
[52]AV1 RIN
[50]FRONT RIN
[33]AV1 V IN
FR
ONT LIN
TU LIN
9VREG GND
B-Y OUT EXT CTL1 A
V
1 B OUT
MUTE FIL VCC5V VCC5V A
V
1 R/C OUT
R-Y OUT Y SA
G[COMPONENT]
SYNC SEP LPF Y OUT[COMPONENT] Y OUT C OUT V SA
G
VCC
5V
V OUT Y SA
G
VG
N
D
VG
N
D
[32]AV2 FB IN
[30]TUNER V IN
[31]AV2 V/Y IN
A
V
1 G OUT
GND
VCC
[99]ENC B/B-Y IN
[100]REG2.5
ENC R/R-Y IN
[81]C ADC
RF OUT
[83]Y/V ADC
[82]V SYNC OUT
[97]ENC G/Y IN
[98]VGND
SDA IN
SCL IN
ENC C IN
SLICER
OUT R
VCC 5V
OUT L
DET IN
V DET FIL
C SYNC OUT
V DET OUT
ENC Y IN
REG2.5 A
V2 G IN
A
V2 R/C IN
V
GND
A
V2 B IN
C D E F G H I J K L M N O
C4006
AS
G_IIC_CLK_A
G_YOUT_DM_A
G_IIC_DATA_A
G_COUT_DM_A
SYNC_DET
G_CIN_DM_A
R4005
G_AADC_R_A
G_SLICER_A
G_V_YIN_DM_A
R4003
G_AADC_L_A
G_CSYNC_A
AV2_BLANKING
LB3001
G_RPROUT_D_A
G_BPBOUT_D_A
G_GPYOUT_D_A
PS_11R6V
PS_5V
T
M
M
T
M
M
M
M
T
M
M
T
T
M
T
M
M
A B
TO A/V I/O
SECTION (1/2)
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
CLAMP
AV4 V
35
CLAMP
AV4 Y
39
BIAS
AV4 C
43
59
AV4 Lch
AV4 Rch
51
IC3001
VIDEO/AUDIO PROCESSOR
IC-DETAIL BLOCK DIAGRAM