Sony RDR-GX300 Service Manual page 57

Q Q
3 7 6 3 1 5 1 5 0
For Schematic Diagram
• Refer to page 4-4 for waveforms.
2 3
1
AV-84 BOARD(4/8)
A
TUNER
-REF.NO.:10000 SERIES-
B
AGC
Q402,403
AGC CONT
Q402
C MSD601-RT1
TU_SCL
TU_SCL
TU_SDA
JL405
TU_SDA
TU_G_MAX
TU_S/B_D
TU_S/B_D
TU_SAP_D
TU_SAP_D
TU_AFT
TU_AFT
16
TO(5/8) TU_AUTOP
TU_AUTOP
TU_G_MAX
TU_G_MAX
D
RESET5V TU_AUTOP
RESET5V
TU_VDET
TU_R
30
TO(2/8)
TU_L
E
T E
L 1 3 9 4 2 2 9 6 5 1 3
31
TO(8/8) TUDV
F
15
TO(6/8) TU_VIDEO
G
Q414
JL415
MUN2211T1
TO(5/8,
32
TU_PCONT
6/8) R4.9
P0
H
IC401
I
B+
TU 5V REG
UNSW6V
R414
0
4
J
3 2
w w w
R407
4
TO(1/8)
1k
C403
C405
0.1u
0.1u
B
B
16V
16V
.
B+
SW5V
K
TU_GND
16 IT_GND
4 5 6
L402
47uH
R5.0
P0
R2.1
P0
R418
L403 Q408
1500
10uH MSB709-RT1
R1.6
P0
C414
C413
R405 R410
47u 0.1u C415
100
27k
B 2.2u
16V R0.1
16V
B P0
R2.2 Q403 D405
R0.6
P0 6.3V
MUN2213T1 P0 MMDL914T1
0
C416
R409
0.022u
100k
B
25V
Q406 C417
JL408 MSD601-RT1
0.001u
B
50V
Q407,409,412
VIDEO BUFFER
L405
Q409
10uH
MSD601-RT1
R5.0
P0
JL413
R2.4
P0
R5.0
P0
Q407 R3.0
P0
MSD601-RT1
JL414
R2.4
C426
C427 P0
0.1u R420
47u
B
1k
16V
16V
B+
Q414,415
POWER CONTRL
Q415
R5.0
2SB1561T100Q P0
R0
R4.4
P5.1
P5.1
R440
1k
5.1
R436
10k
C424
0.1u
B SIGNAL PATH
16V
VIDEO SIGNAL
CHROMA
REC
PB
JL407
B+
5
JS405
0
1
JS407 JS406
R412 R413 0 0
100k
220k
± 0.5%
± 0.5%
JS408 JS413
0 0
C408
R411 C404
x a o
100k 1u 47u
y
±0.5% B 16V
JS415 JS414
0 0
i
4-13
http://www.xiaoyu163.com
8
7 8 9 10
IC404
TK11819MTL
IC404
L406
R5.0
B+ 1mH
P0
T1
V-IN
30V REG
R4.5
P0
GND
R457
OSC 100
R34.5 R32.7
P0 P0
V-OUT
DK
L411
47uH
C439
C429
C428
R441 0.1u
0.1u
47u
B 1k
16V
50V
50V
C437 R453
L407
10u 100k
B+
47uH
50V 5.0
L409
R4.8
47uH
P0
L408
B+ R4.9
47uH
P0
Q406,408,413
VIDEO DET B+
R5.0 R5.0
P0 P0
R434
R427
R4.7 R2.4
1500 100
P0 P0
C419
Q413
2200p
R1.2 R423 MSD601-RT1
B
P0 1M
50V
R1.8
C418 P0
4700p
B
R424 R433 C430 C432 C434 C435 C436
50V
1k 0.1u 1000u 0.1u 47u 0.1u
4700
B B B
6.3V 16V
16V 16V 16V
R419
R421
3900
2700
Q410
CLAMP
B+
Q Q
R428
3 7 6 3
R425 1k
100
R3.0
P0
R3.0
P0
R491
R426
1k
R2.4
100
P0
R3.0 R444
P0
1500
R0.1
R422
P0
B+
1k
5.0
Q410
MUN2211T1
R461
0
C444
5.0
0.1u
B
16V
1.5
C445
56p
R1.0
AUDIO C440
50V P1.5
56p
Y Y/CHROMA SIGNAL
50V
2.3
C441
10p
50V
2.3
C442
4p
X401
50V
18.432MHz
R0
P5.0
R459
1k
u 1 6 3
L410
.
10uH
B+
C431 C433
47u 0.1u
B
16V
http://www.xiaoyu163.com
2 4
9 9 8
11 12 13
R32.5
B+ P0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
B
C443
10u
B+
50V
B+
B+
R494
C438 R495
47u 22k
22k
16V
R458
1 5 100 1 5 0 8 9 2 4
Q420
C446
R2.1 MSD601-RT1
1u
P0
B
R4.4
16V
P5.0
R1.6
P0
C448
C451
0.1u 0.1u
B R470
B
16V 2200
16V
R2.3
Q416
P0 C449
C450
MSB709-RT1
R471
10u
3.3u
2200
R448
680
C455
10u
R456
1k
44 43 42 41 40 39 38 37 36 35 34
5.0
AVSUP AHVSUP
ANA_IN+ NC
2.5
ANA_IN- SC1_OUT_L
IC405
2.5
TESTN SC1_OUT_R
EURO MSP
IC405
XTAL_IN VREF1
MSP3417G-QG-B8V3
XTAL_OUT NC
1
TP DACM_L
D_CTR_I/O_1 DACM_R
D_CTR_I/O_00 VREF2
ADR_SEL NC
STANDBYQ NC
m
12 13 14 15 16 17 18 19 20 21 22
c o
R463 R464
100 100
R474
1k
C452 C456
0.1u 0.22u
B B
16V 16V
4-14
RDR-GX300/GX700
2
9 9
14
19 20 21 22 23 24 25 26 27
C423
220p
C425
220p
9 8 2 9 9
B+
C458
47u
C459
0.1u
B
16V
JL439
JL440
TUNER
AV-84 (4/8)