Sony RDR-HX825 Service Manual page 58

RDR-HX820/HX825
For Schematic Diagram
• Refer to page 4-4 for waveforms.
• Refer to page 4-43 for printed wiring board.
1 2 3
AV-106 BOARD(4/8)
A
TUNER
-REF.NO.: 10,000 SERIES-
NO MARK:REC/PB MODE
B
C
D
TU_AFT
TU_AFT
TU_AUTOP
TU_AUTOP
24
TO(5/8) TU_G_MAX
TU_G_MAX
TU_PCONT
E
TU_SCL
15 TO(5/8,
6/8,7/8)
TU_SDA
TU_L
16 TU_R
TO(7/8)
TUDV
F
G
B+
UNSW6V-T
06
TO(1/8)
H
GND-T
I
17 TU_VIDEO
TO(6/8)
J
TUNER
AV-106 (4/8)
4 5 6 7
B+
R475
0
2W
L402
10uH
4.6
1.9
Q405
R410
BC847CE6327
100
C408
JL404
AGC
TU_G_MAX R415 0.1u
27k B
1.5
16V
1.9
0.1
R414 AUTO
PRESET
100k
JL406
TU_AUTOP Q407
MUN2213T1
IC402
5V REG
B+
4 5
3 2 1
R1454
R1451 R1453
5.1 1.2
1k 39k
270k
± 0.5%
± 0.5%
Q403
MSD601-RT1
C1452 BUFFER
R1452 C1453
C452
0.1u 1u 4.6
100k
0.1u B ± 0.5%
B
16V 1.2
JL402
0.6
4.6
Q401 1.2
BC847CE6327
BUFFER
JL403
0.6
R407
R405
1k 1k
4-11
8 9 10
0
AERIAL
IC401
30V REG
IC401
TK11819MTL
L401
L403
10uH
1mH
JL401 4.6
T1
V-IN
4.2
GND
R420
OSC
100
32.3
33.6
V-OUT
DK
L404
10uH
C409
C405
C401 0.1u R409 C407 0.1u
47u 1k 10u B
B
50V
25V 50V 50V
R418
100k
C453
0.001u
B+ D1401 BAS16-03W
B+
R1402
1500
B+
R1401
1k
C1406
0.1u
B
C1403
56p
50V
B+
C1404
2p
50V
C1405
2p
50V
R411
100
R412
100
L1401
B+
10uH
C1401 C1402
47u
0.1u
25V B
11 12 13 14
(TUNER)
TU401
SIGNAL PATH
IN
OUT
REC
1 6 7 8 9 10 11 12 14 15 16 17
PB
R1417
C449
B+
0
10p
50V
C415
100u
16V
C410
C411
10u
0.1u
50V
B
C416
0.1u
B
C414
47u
L405 25V
10uH
C456
0.001u
L406
10uH
B+
R422
100
R423
R1406
0 C1408
100
1u
B
10V
Q1402
2.0
MSD601-RST1
SIF AMP C1409 C1410 C1411 C1412
R1410
0.1u 10u 3.3u 0.1u
1.4
2200
B 50V 50V B
4.0
R1411
2200
4.6 2.1
C1414
10u
50V
R1407
680
2.6 2.3
Q1401
MSB709-RT1
44 43 42 41 40 39 38 37 36 35 34
SIF AMP
4.6
AVSUP AHVSUP
1.5
ANA_IN+
C1407
56p
1.5
50V
ANA_IN- IC1401 SC1_OUT_L
TESTN SC1_OUT_R
EURO MSP
X1401
18.432MHz 2.2
IC1401
XTAL_IN VREF1
MSP3417G-QG-B8V3
2.1
XTAL_OUT
TP DACM_L
1
D_CTR_I/O_1 DACM_R
D_CTR_I/O_00 VREF2
ADR_SEL
4.6
STANDBYQ
R1403
1k
12 13 14 15 16 17 18 19 20 21 22
D1400
BAS16-03W
JL1405
R1409
R1408
100
100
R1412
120k
C1413 C1415
0.1u 0.22u
B B
The components identified by mark 0 or dotted
Note :
line with mark 0 are critical for safety.
Replace only with part number specified.
4-12
15 16
VIDEO SIGNAL
AUDIO
CHROMA Y Y/CHROMA SIGNAL
B+
C1416
47u
25V
4.6
C1417
0.1u
B
C1419
NC
1u
B
JL1406
2.3
JL1407
2.3
C1418
1u
B
NC
NC
NC
B+