Panasonic PVDF2035 - DVD/VCR TV COMBO, Service Manual

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11
PV-DF2035/PV-DF2035-K/PV-DF205/PV-DF2735/PV-DF2735-K/PV-DF275
DVD II BLOCK DIAGRAM
DVD II BLOCK DIAGRAM
1.1Vp-p V1
0.5V
20µs
DVD PB
1.1Vp-p V1
0.5V
20µs
DVD PB
2.0Vp-p V1
1V 20µs
DVD PB
0.75Vp-p V1
0.2V 20µs
DVD PB
0.58Vp-p V1
0.2V 20µs
DVD PB
V1
20µs
0.58Vp-p
0.2V
DVD PB
2.0Vp-p V1
1V 20µs
DVD PB
1.5Vp-p V1
0.5V
20µs
DVD PB
2.0Vp-p V1
1V 20µs
DVD PB
1.1Vp-p V1
0.5V 20µs
DVD PB
V1
20µs
1.1Vp-p
0.5V
DVD PB
V1
0.2ms
5.72Vp-p
2V
DVD PB
DVD PB
100ns
470mVp-p
0.2V
A B
C D E
F G H
I J K
A
B
C
D
E
F
G
H
I
J
K
DVD AUDIO SIGNAL DVD VIDEO SIGNAL DATA(VIDEO/AUDIO) SIGNAL
DVD MECHANISM UNIT
OPTICAL
PICK UP
DVD MAIN C.B.A.
MAIN C.B.A.
IC8503
(OP AMP)
Q8504
Q8505
Q8503
Q8501
Q8502
IC8501 (AUDIO D/A CONVERTER)
IC8005
IC8003 (64M SDRAM)
IC8002
(16M FLASH MEMORY)
LPF DAC
LPF DAC
SERIAL
I/F
SERIAL
CONTROL
1 2
7 6
8
7
3
1
2
13
14
15
16
TP8520
DVD AUDIO
R-CH
DVD VIDEO
DVD S-Y
DVD S-C
DVD Y
DVD PB
DVD PR
TO Hi-Fi AUDIO
SIGNAL PATH
BLOCK
DIAGRAM
DVD AUDIO
L-CH
DIGITAL
AUDIO
OUT
JK4801
TP8519
+12V
8
Q8403
TP8407
BUFFER
Q8401
BUFFER LPF
Q8404
BUFFER
Q8402
BUFFER LPF
P8901
7
P8401
17
P8401
9
P8401
11
P8401
19
P8401
21
P8401
23
P8402
11
P1002
11
P8401
15
P8401
13
P8901
6
P8901
11
P8901
8
P8901
5
P8901
4
P8901
10
P8901
9
P8901
12
P8901
13
P8901
14
P8901
17
P8901
15
IC8401 (VIDEO AMP/DRIVER)
8 27
4
11
13
15
DRIVE
DRIVE
LPF 6dB AMP DRIVER
32
LPF 6dB AMP DRIVER
24 LPF 6dB AMP DRIVER
21
LPF 6dB AMP DRIVER
18 LPF 6dB AMP DRIVER
30
6dB AMP DRIVER
TP8406
TP8408
TP8409
TP8410
TP8411
DIGITAL
FILTER
MODULATOR
27MHz
OSC
VIDEO
ENCODER DVD/CD
FORMATTER DVD
DECODER ERROR
CORRECTION
ECC
VIDEO
I/F
RF
SIGNAL
PROCESS
AUDIO
I/F
TO AUDIO
BLOCK
DIAGRAM
A MUTE
P8401
6
TO VIDEO
SELECTOR
BLOCK
DIAGRAM
57
54
56
22-26,
29-35
192-195,197-200,203,
204,206-208,210-212
21,23-25,27,30-33,36,
37,39-43,45-47,50,51
217,220,221,223,224,
226-228,230,233,237,
238
2,4,5,7,8,10,11,13,
42,44,45,47,48,50,
51,53 1,2,4,5,7,8,10,11,
13-15,17,18,252,254,
256
DAC
DAC
DAC
DAC
DAC
123
125
124
126
Q8903
Q8904
AMP
AMP
Q8902
Q8901
IC8001 (DVD SIGNAL PROCESSOR/DVD MICROCONTROLLER)
156
158
149
151
152
TP8401
TP8402
TP8403
TP8404
TP8405
TP8510
TP8512
TP8511
TP8505 TP8509
TP8508 TP8507
TP8031
TP8506 TP8504
TP8916
TP8920
TP8921
TP8912
TP8913
TP8919
TP8922
TP8914
TP8915
TP8917
169
170
171
177
X8001
R-CH
L-CH
+12V
SW+5V
+D3.3V
VCC
ML
M CLOCK
(DVD:36.864MHz)
(CD:33.8688MHz)
27MHz CLOCK
27MHz CLOCK
AUDIO MUTE(L)
MC
MD
(+1.2V)VCC
6,12,19,28,34,48,62,84,167,
178,190,196,202,209,216,
225,231,239,246,255
26,44,89,172,219,
236
+A3.3V VCC
98,107,118,141,150,159,161
1
8
+1.2V
REGULATOR
7
6 SW+5V
5 SW+3.3V
VCC
VCC
AUDIO MUTE(H)
16
1 SW+5V
VCC
VCC
VCC
1,3,9,14,27,37,
43,49
+D3.3V
37
+D3.3V VCC
FDT(0-15)
SDRAM ADDRESS BUS (MA0-11)
FLASH MEMORY
DATA (0-15)
FLASH MEMORY
ADDRESS (0-20)
SDRAM DATA BUS (MDQ0-15)
FADR(0-20)
NOT USED
NOT USED
NOT USED
16
25
48
1
10
29
36
38
45
138
137
136
135
134
133
132
131
111
110
(WITHOUT COMPONENT OUT)
(WITH COMPONENT OUT)
(WITH COMPONENT OUT)
166
165
163
MUTE-ON MUTE-ON
DRIVE
11
55
3
P8901
19
NOT USED
PV-DF205 / PV-DF2035 / PV-DF275 / PV-DF2735 / PV-DF2035-K / PV-DF2735- K
75