Vhf/Uhf Tuner - Sony RDR-GX7 Service Manual

For Schematic Diagram
• Refer to page 4-23 for printed wiring board.
2 3 4
1
A
AV-071 BOARD(1/9)

VHF/UHF TUNER

-REF.NO.;10000 SERIES-
XX MARK:NO MOUNT
NO MARK:REC/PB MODE
B
RELAY
AGC
C
D404
XX
TU_SCL
TU_SCL
TU_SDA
TU_SDA
TU_S/B_D Q402
TU_S/B_D
XX
TU_SAP_D
TU_SAP_D
TU_FMONO
TU_FMONO R405
JL401 XX
TU_G_MAX
TU_AMUTE
TU_AMUTE
TU_AFT
D
TU_AFT
TU_M/SAP
TU_M/SAP
R404 R408
1 TU_AUTOP
XX 100k
(8/9) TU_AUTOP
TU_G_MAX
TU_G_MAX
TU_AUTOP
TU_PCONT
E
TU_VDET
JUST_CLK
C401
10u
50V
TU_R
2 TU_L C402
(5/9)
10u
50V
BS_R
F
BS_L
R480
XX
3
(3/9) EPGVIDEO
TUDV
R412 100k
NOT USE TU_L
R411 100k
G TU_R
TU_VIDEO
4
(2/9)
BS_VIDEO
CN401 XX
RELAY
TU BST C 13
H
NC 12
TU_SCL
SCL 11
TU_SDA
SDA 10
8PIN
C/N_OUT 9
VYL3
BIT_SW 8
TUDVD
DEC_SW 7
XRGBSEL
C_DET 6
CDINSEL
V_DET 5
DVDEXT
I
CNV_C 4
BS_D_DET
DETIN_DET 3
AGND 2
AGND 1
CN402 XX
B+
UNSW18V 1
SW5V 2
JL405
J
BS_VIDEO 3
B+
TU5V 4
JL406
BS_L 5
B+
UNSW12V 6
B+
SW12V 7
JL407
BS_R 8
AGND 9
AGND 10
K
L
8PIN
8PIN
RELAY
RELAY
VYL3
VYL3
TUDVD
5
(8/9) TUDVD
CDINSEL
M
CDINSEL
DVDEXT
DVDEXT
XRGBSEL
XRGBSEL
BS_D_DET
BS_D_DET
B+
SW12V
B+
UNSW12V
B+
UNSW18V
N
6
(9/9) B+
UNSW6V
16
GND (ANALOG)
B+
SW5V
5 6 7 8 9
Q407
XX
Q418
XX
R416
XX
L401
10uH
D405 D406
XX XX B+
R418
0
1500
0 Q410
Q404
C415 2SB709A-QRS-TX
2SD601A-QRS-TX 2.2u
AGC B
2012
0
C413 C414
R410
0.1u
47u
27k
16V B
0 D408
0 Q406 1SS355TE-17
UN2213-TX 0
AGC
C416
0 0.022u
B
Q408 C418
JL402 2SD601A-QRS-TX 0.001u
B
L403
XX
Q411
XX
JL427
0
Q409
0
2SD601A-QRS-TX
BUFFER
0
JL428
R420 R422
1k XX
L411
R406 47uH JL430
IC401
XX C410
C407 XX XX
R486
XX
JL403
2.2
R407 F IL OUT C411
C405 XX
XX
XX
LPF GND
JL437
INPUT CONT
R417
C403
JL438 XX
XX
VCC CONT
C406
R414 D407
R413
XX XX XX
47k
C436
B+
4.7u
50V
L402
10uH
C408
XX
IC402
+5V REG
5.3
IC402
PQ070XZ01ZP
6
R402
100k
± 0.5%
R403
5600
± 0.5%
1 2 3 4 5
R401
1k JL439 B+
R409
C404 C412
33k
0.22u 47u
± 0.5%
B 16V
C409
0.1u B
4-5
10 11 12 13
L405
XX
L406
B+
47uH
L407
47uH
Q408,410,413,420
V DET
Q413
2SB709A-QRS-TX
C422
0
2200p R427
0 R429
B
1500 1500
0
0
R433
C433
R432 XX C437
R423
100 XX 0.1u
0 1M 0
B
0
R428
C419 Q420
1k
4700p
2SD601A-QRS-TX
R415 C438
B
R424 0 0 1000u
4700 6.3V
R430 R434
R419 820 XX
R421
3900
2700
L404
10uH B+
R431 R435
R425 1k XX
XX
R437
R488 0
0
R426
1k
100
0
0
C426
XX
0
Q412
C430 C431
UN2211-TX R436
0.1u 47u
CLAMP XX
B 16V
B+
IC406
TK11850L-1TL
IC406
0 0
VIN EN
R440
1
0 0 +30V REG
IS CX
C469
L412
100uH 68p
0
EXT GND
R484
5600
0 0 ±0.5%
VO VFB
B+
C440
R485
0.1u
100 R441
B
2012 1M
R483 L409
C444
330k 47uH
4.7u ± 0.5%
50V
C447 C448 D412
0.1u 47u XX
B
35V
IC403
XX
6
1 2 3 4 5
JL429
B+
B+
C428
C427
XX
XX
Q415
UN2211-TX
JL440 SWITCH
0
5.3
R439
1k
5.3
C432
R438
PS401 100u
10k
10V
0.7A B+ JL441 B+
C429 5.3 0
Q416
0.1u 2SB1561T100Q
B SWITCH
L408 C442
XX XX
14 15 16 17
VHF/UHF TUNER
VHF/UHT TU401
IN
OUT
1 2 3 4 5 6 7 8 9 10 11
B+
R454
B+ 0
R447 R455
B+
XX XX
L410
XX
C462
XX
C439 C441 C443 C446 C456 R449
0.1u 47u XX XX XX XX
16V 16V
C455
XX
R481
XX
C457 C458 C459 C460 R452
Q417 XX XX XX
R444 XX XX
XX
XX
R453
XX
R472
XX Q419
XX
R442
R473
XX
XX
44 43 42 41 40 39 38 37 36
R487
XX
C452
XX
AVSUP
C454
XX
ANA_IN+
C449
ANA_IN-
XX
TESTN
X401
C450 XX
IC407
XX
XTAL_IN
XX
C451
XX XTAL_OUT
TP
D_CTR_I/O_1
D_CTR_I/O_00
ADR_SEL
STANDBYQ
R443
XX
12 13 14 15 16 17 18 19 20
R445 R446
XX
XX
C461
XX
SIGNAL PATH
VIDEO SIGNAL
CHROMA
REC
PB
CN403 XX
JL444
5 SW5V
JL443
4 SIF IN
C445
XX 3 AGND
JL442
2 SIF OUT
1 AGND
4-6
RDR-GX7
18 19 20
12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
R482
4700
C463 C466
XX XX
C464
XX
35 34
C467
XX
AHVSUP
C468
XX
NC
JL447
SC1_OUT_L
JL448
SC1_OUT_R
VREF1
NC
DACM_L
DACM_R
VREF2
NC
NC
21 22
D410
XX
R471
XX
R456
XX
C465
XX
RESET5V NOT USE
AUDIO
Y Y/CHROMA SIGNAL
VHF/UHF TUNER
AV-071 (1/9)