Pioneer DVR-420H-S, Service Manual

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6
1 2 3 4
1 2 3 4
C
D
F
A
B
E
DVR-420H-S
SPDL
MOTOR
LD
DRIVE
Pickup
LOADING
MOTOR
STEPPIONG
MOTOR
TV FRONT-END
U301 VXF1022
ANT
INPUT3
VIDEO
Y/C
L
R
(15P)
CN1301
(19P)
CN301
(13P)
CN451
(19P)
CN401
(13P)
CN402
(15P)
CN705
FRJB
ASSY
JCKB ASSY(1/3)
JCKB ASSY
(2/3)
F
TUNB
ASSY
A
MAIN ASSY
DRIVE ASSY
M
6 8
10
6
12
4
8
VOUT
19
Y
C
UVL UVL
MPX
IN
L
OUT
LIN2
LIN4
LIN1
LIN3
L
V/Y
C
AOUT
16
RF IN
RF
OUT
V/Y
UVV
UVV
1V
3V
3Y
1Y
2Y
3C
1C
2C
2V
C
Video Selector
Video Driver
ATT WIDEBAND SPECTRAL
IC701
LA73033(1/2)
IC601
LC75342M
IC451 CXA2020M
13
5
11
14
12
19
27
17
15
13
79
77
75
7
5
3
LPF
1 Chip
Sysytem Codec
Audio MPX
Decoder
Audio Selector with Electirc ATT
7
21
JA1302
JA1301
VIN2
YIN2
CIN2
2
LIN2
INPUT1
INPUT3
VIDEO
Y/C
L
R
PICKUP
ASSY
Y
C
Y
C
JA601
VIDEO
Y/C
L
R
VIN1
LIN1
LIN3
VIN3
YIN1
YIN3
M
(40P)
[ATAPI]
DVD-VR DVD-Video
DVD-VR
DVD-Video
CD Digital
CD Digital
CN4401
1
CN201
(2P)
CN703 (2P)
CN101
(45P)
8
CIN1
CIN3
CN501
CN502
(12P)
33
39
A
B
C
D
S4
S3
S2
S1
5
4
3
2
1/3F
B
2/3F
B
F
C
PB DVD/CD
IC1001
M65673WG
IC201
UPD63630GM
IC501
BD7907FS
IC101
UPC3330GC
RF IC
IC301
M30700FKLGP
IC202
SDRAM
16Mbit
7-10
13-16
(40P)
(21P)
(21P)
CN702
(1/2)
DSP
48
37
40
36
38
34
35
: Recording system signal route
: Playback system signal route
LPF
IC1401
ATA SDRAM
256Mbit
CPU SDRAM
128Mbit
IC1102 IC1101
Flash
64Mbit
2
13 13
17 3
7 7
Writer
CPU
25
6CH
Driver
2
LPF
201
76
CN3001
(1/2)
CN401
HDD
[ATA]
(40P)
CN4501
IC1421
×
2
IC1103
SRAM
4Mbit
3. BLOCK DIAGRAM and SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
3.1.1 OVERALL BLOCK DIAGRAM
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