Tuner Amp Pcb (Vdec/Venc Part) - Pioneer AVH-X8500BHS Service Manual

1

10.7 TUNER AMP PCB (VDEC/VENC PART)

A
R443
0
R444
0
GNDA_R2R0 GNDA_R2R0
R445
0
GNDA_R2R1 GNDA_R2R1
R446
0
GNDA
GNDA_R2R0
R447
NM
GNDA GNDA_R2R1
B
R449
0
GNDDAC0 GNDDAC1
R451
0
GNDD3 GNDDAC0
C
R452
0
GNDD2 GNDDAC1
D
DV_CLK
(27MHz)
3.3V
VVCC33
VEC_VSY
VEC_HSY
VEC_D7
E
VEC_D6
VEC_D5
VEC_D4
VEC_D3
VEC_D2
VEC_D1
VEC_D0
VECRST
F
A
7/7
150
1
2
A
1/7
8.4V
SYS+B
R421
1k
R2R_R1
GNDD2
R2R_L1
USB&SD&iPod:+5.1 dBs
GNDA_R2R1
8.4V
SYS+B
R433
R2R_R0
1k
GNDD3
R2R_L0
GNDA_R2R0
MONVBS
GNDV
iCOMP
R2R_V
VIDEO ENCORDER
L951
2.7u
GNDD
GNDD
UD9
1
UD9
D7(MSB)
2
D7
D6
3
D6
D5
4
D5
D4
5
D4
DVDD
6
DVDD1
DGND
7
DGND1 AK8814VQ
D3
8
D3
D2
9
D2
D1
10
D1
D0(LSB)
11
D0
TEST
12
TEST1
R961
100
C961 R956
10k
1000p/50
R954
GNDV_R2R GNDD GNDD
R953
AVH-X8500BHS/XNUC
2
3
C424
R430 DCH1201-A
0
GNDA_R2R1
C421 R426
4.7u/6.3
820
AVCC5
5.0V
C422 R427
4.7u/6.3
820
GNDDAC1
R441
NM
C441 NM
C442 NM
C428
R439 DCH1201-A
GNDD
GNDDAC1
NM
C425 R436
GNDA_R2R0
4.7u/6.3
820
C426 R437
4.7u/6.3 820
GNDDAC0
R530
A R529
2/7
NM NM
R555
NM
GNDD GNDV
GNDV
RGB VIDEO
ISOLATOR
IC522
1
GNDSIGB 5
2
N_B GND
ANB 4 3
VCC
C526
0.1u/10
BH7673G
IC523
GNDSIGG
5
GND
N_G
ANG 4
VCC
IC524
BH7673G
GNDSIGR 5 1
GNDV
2
C532
GND
ANR
4 3 0.1u/10
VCC
N_R
BH7673G
BH7673G
5
GNDSIGC
GND
4
CSYNC
VCC
N_CSYNC
IC521
36 UD4
UD4 35 UD3
UD3
34 UD2
UD2
33 UD1
UD1
32 UD0
UD0
31 DVDD
IC951 DVDD2
GNDD
30 DGND
DGND2
29 IREF
IREF
28 VREFIN
VREFI
VREFO 27 VREFO
AVDD2 26
AVDD
AGND3
25 AGND
R964
0
GNDV_R2R
100
100
3
4
10u
10V
AUDIO 2CH ANALOG OU
10u
10V
AVCC5
5.0V
Q523
L521
LSCR523UB
R552
CTF1545-A
100
R525
NM
GNDV
GNDV
GNDV Q522
L524
L527
LSCR523UB
R553
R551
NM CTF1545-A
100
100
R526
1 NM
GNDV
2
L528
3
C531
NM
GNDV
0.1u/10
Q521
L522
R540
LSCR523UB
CTF1545-A
100
L529
R527
NM
NM
1
GNDV
2
L526
3 GNDV
C533
Q524
NM
0.1u/10 L523
LSCR523UB
R536
CTF1545-A
100
R528
NM
GNDV
VVCC33
3.3V
L952
2.7u
R965
0
GNDV_R2R GNDV_R2R
4
CHIP SIZE LEGEND
1608
2125
3216
BH7673G
75 1u/10
VCC
4 3
C512
R514 GND
0 2
1u/10
5 1
C513
R515
NM
IC472
R517
GNDV
VIDEO DECORDER
C
1u
0.0
C
100
C476
C
C473
0.0
0.22u/6.3
C474
0.22u/6.3
GNDV
C
1
1000p/50
0.01u/16
C
1
GNDV
GN