10-9
10-9
AVC BOARD - CIRCUIT DIAGRAM (PART 5)
RESET
POW SUPPL
COMP
BANDPASS
TEST
CTRL
SIGNAL
QUALITY
CLK
&
OSC
&
CLOCKED
(8th ORDER)
VSSA
DEM
RDS/RBDS
57 Khz
DET
V16
VDD
sink o.drain
V25
V26
V27
V28
-RESET
TEST
XTOUT
XTIN
-STOP
-INT0
-INT1
drain
P6-P9 source open drain
source open
drain 80k p.d.
80k pull
down
P04
P05
P06
P07
80k pull down
80k pull down
80k pull down
V4
V5
V6
V7
V8
V9
V10
V11
V12
V13
V14
V15
CPU
VFT driver circuit (automatic display)
8-Bit A/D
Converter
8-Bit Input/Output
(tri-state)
P0
V17
V18
V19
V20
V21
V22
V29
V30
V31
V32
V33
V34
V35
V36
VKK
-SCK1
SI1
SO1
P03
PD
VSS
VAREF
VASS
XOUT
XIN
P5
TC2
-DV0
-SCKO
AIN0
AIN1
AIN2
AIN3
AIN4
P1
(tri state)
8-Bit Input/Output
P4
sink o.
3-B. I/O P3
AIN5
AIN6
AIN7
AIN10
AIN11
AIN12
AIN13
V0
V1
V2
V3
TC4
Counter
Program
ROM
RAM
8-Bit h. break. v.
(tri-state)
8-Bit Input/Output
SCA
SCL
INT4
INT2
TC1
V23
V24
output port with latch
output port with latch
out w. latch
P8
out. port w. latch
P9
8-Bit h. breakdown v.
8-Bit high breakdown voltage
8-Bit high breakdown v.
5-Bit h. breakd. v.
out w. latch
( tristate )
8-Bit I/O P2
P7
P6
4-Bit In/Output
(tri-state)
To Volume Rotary and IR_eye
DC voltage measured in DISC mode PLAY
B
C
D
E
F
G
H
I
1530 A8
1531 A14
2530 H3
2531 H3
2532 I3
2533 I2
2550 D4
2551 C3
2552 C1
2553 D1
Use 3K9 for LX8000SA/22
LX8000SA/21R
12K
%
*
0 ohm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
Ghost key
*
*
7
8
9
10
11
12
13
14
A
B
C
D
E
F
G
H
I
A
@
2554 C1
2560 G6
2562 I7
2563 H7
2564 H7
2565 H12
2566 E12
2567 D6
2568 H8
2569 F11
2570 B11
2571 C12
2572 D4
2573 F8
2574 G9
2575 G9
2576 H9
2577 H8
2578 B11
2580 F2
2581 F3
3500 B10
3501 F9
3502 B10
3503 B9
3504 D7
3505 D7
3506 D7
3507 B9
3508 C7
3509 B9
3510 B8
3511 D7
3512 D6
3513 E7
3514 E7
3515 E8
3516 E8
3517 E8
3518 F8
3519 E8
3520 F8
3521 E9
3522 E10
3523 E10
3524 E10
Key0, Key1 pull-up
3525 E10
3526 E10
3527 E10
3528 E10
3529 E11
3530 E11
3531 E11
3532 E11
3533 E11
3534 D11
3535 D11
3536 D11
3537 D11
3538 D11
LPS OPTION
4500
Provision in layout only
@ For LX8000SA/21R/37S only
3539 D12
3540 D11
3541 C12
3542 C11
3543 C12
3544 B11
3545 B11
3546 B11
3547 B10
3548 H8
3549 G12
3550 D4
3551 D4
3552 C5
3553 D5
3554 E3
3555 E3
3556 C1
3559 A5
3560 H6
3561 H7
3562 I7
3563 H11
3564 H11
3565 H11
3566 I11
3567 G5
3568 H5
3569 A1
3570 E14
3571 D14
3572 A4
3573 A3
3574 B2
3575 A2
3576 B11
3577 B10
3579 B3
3580 B9
3581 B9
3582 B5
3583 A5
3584 A6
3585 A7
3586 B9
3587 A3
3588 A6
3589 B2
3590 B5
3596 B10
3598 D14
3599 B8
4500 C6
4501 H7
4530 C6
5530 F9
5531 F9
LPS
LX8000SA/37S
Version
None
3568
@
5532 F3
5533 B12
5581 H10
5582 C3
6531 B12
6532 B12
6533 F9
6534 G7
6535 G2
%
LX8000SA/22S
LX7000SA/22S
3K9
27K
6536 B12
7531 C2
7532 H10
7533 H9
7534 H7
7535 A3
7536 B7
7537 A6
7538 B5
7539 B2
/ SAA6579
#
*
#
*
*
1.19KHz
*
4530
*
Version
No LPS
470R
2K7
3570
470R
3515
SAA6581T
7531
470R
100n
GND_D
+D
GND_K
12
13
2
3
4
5
6
7
8
9
3581
470R
+D
2580
82p
470R
3523
8
80
9
GND_D
GND_D
470R
3537
470R
3536
+D
470R
3504
470R
3505
3573
680R
10K
3500
470R
2567
100p
220K
3555
GND_D
100n
2530
GND_D
GND_D
3521
GND_D
470R
3518
GND_D
BAS316
6533
470R
470R
GND_D
10
11
1531
FE-BT-VK-N
1
470R
3538
GND_D
2575
22p
2577
1u
10K
3575
+5V6
GND_D
+D
GND_D
GND_D
3564
10K
+5V6
10K
3501
1u
2565
22p
2576
2562
47n
BC847B
GND_D
GND_D
3535
7533
470R
3514
470R
470R
3506
GND_D
GND_D
+5V6
470R
3519
BC857BW
7535
2568
2p2
GND_D
+D
3545
470R
2552
3540 470R
470R
3541
560p
GND_D
3551 10K
GND_D
560p
2553
+5V6_ECO
GND_D
1K
3588
100K
3562
3512
2563
470n
470R
3585
390R
GND_D
3529
47R
+L
GND_D
GND_D
3563
2581
47p
2533
100n
GND_D
3560
1K
65
66
67
68
69
7
70
71
72
73
74
75
76
77
78
79
51
52
53
54
55
56
57
58
59
6
60
61
62
63
64
38
39
4
40
41
42
43
44
45
46
47
48
49
5
50
24
25
26
27
28
29
3
30
31
32
33
34
35
36
37
1
10 11 12 13 14 15 16 17 18 19
2
20 21 22 23
TMP88CU74YF
7536
3516
470R
3556
10K
470R
3596
GND_D
2570
47u
100p
2566
3579
10K
3552
10K
2u2
5582
3525
470R
5530
470R
2u2
2550
1K
3565
3549
1M
2574
22p
7537
BC857BW
47R
GND_D
GND_D
SCL
5
SDA
8
VCC
VSS
4
7
WC_
3530
GND_D
7532
M24C02
1
E0
2
E1
3
E2
6
GND_D
3586
DT-38
5531
32K768
GND_D
GND_D
100n
2578
+5V6
4M332
AT-51
5532
1
2
470R
3503
5581
GND_D
2u2
3561
100K
2K2
3554
GND_D
10K
3559
3534 470R
GND_D
10K
3590
GND_D
3539 470R
3546
+C
+C
GND_D
10K
3598
1K
3566
3580
470R
470R
3548
4K7
3567
2K7
GND_D
3587
1K
3544
GND_D
+D
470R
3577
470R
470R
3527
22p
10K
3589
3583
10K
2569
3582
10K
GND_D
470R
3517
BC847BW
7538
+5V6
470R
3531
GND_D
GND_D
GND_D
+D
6532
1N4003
3513
+D
7534
BC847BW
470R
GND_D
680R
3572
3599
+5V6
+L
6535
1N4003
GND_D
+5V6
2572
1n
3524
470R
470R
3533
GND_D
1N4148
6531
GND_D
390R
3584
3568
3K9
GND_D
GND_D
GND_K
7539
BC847BW
2551
47p
2554
+5V6
3532 470R
4530
4500
GND_D
470R
3522
10K
3553
3550 10K
5
VDDA
12
VDDD
VREF
3
VSSA
6
11
VSSD
GND_D
7
CIN
9
MODE
MPX
4
13
OSCI
OSCO
14
1
QUAL
16
RDCL
2
RDDA
8
SCOUT
SYNC
10
TCON
15
10n
2560
3507
470R
10K
3574
GND_D
2571
47u
3526
47u
2531
+D
GND_D
470R
3576
1K
470R
3543
3542 470R
3528
470R
GND_K
7
8
9
3511 470R
GND_D
1
10
11
12
13
14
15
2
3
4
5
6
GND_D
FE-BT-VK-N
1530
3509
2573
10p
3520
470R
3510
2564
1u
+5V6
3547
470R
470R
3508
3569
10K
6536
1N4003
4501
3571
2K7
3502
470R
1N4148
6534
GND_K
2u2
5533
100n
2532
GND_D
GND_D
MUTE_LO
+L
MUTE_C
AMP_ON
MUTE_S
DIG_IN_CTRL
LCD_BackLit
LCD_BackLit_Dim
TU_CLK
MUTE_LR_SUB
TU_RDS_IN
LCD_BackLit
LCD_BackLit_Dim
RC5
KEY1
KEY0
VolA
VolB
LPS_WAKEUP
LED_GRN
DVD_5V
C_ON
S_ON
TU_ENABLE
TU_RDS_IN
LPS_LED
SACD_LED
STBY
DVD_ON
LCD_RESET
LED_GRN
LPS_WAKEUP
+L
SACD_LED
LPS_LED
PWD_DN
RC5
KEY1
LPS_WAKEUP
I2C_DATA
VolB
VolA
Options
KEY0
I2C_CLK
TU_DATA
LCD_A0
LCD_RW
LCD_Back_ON
Tu_RDSCLK
Tu_RDSData
PWD_DN
DI_LOCK
I2C_CLKS
I2C_CLKC
Tu_RDSCLK
I2C_DATA
I2C_CLK
TU_STEREO
KEY0
KEY1
Tu_RDSData
HP_DET
LPC
Options
RESET
LCD_Back_ON
LCD_D0
LCD_D1
LCD_D2
LCD_D3
LCD_D4
LCD_D5
LCD_D6
LCD_D7
LCD_Back_ON
LCD_RW
LCD_E
LCD_A0
LCD_RESET
MPOscShift
I2C_DATA_DVD
NTC
LCD_E
LCD_D0
IntReq_DVD
LCD_D1
+C
RESET
+L
I2C_CLK_DVD
+C
AVC Circuit Diagram (Part 5)
3139 118 55510...8239_210_91843...for 3474 pt3 dd wk0232
Note : Some values may varies, see respective parts list for correct value.
For /22S version only
*
0.7V
3.4V
3.4V
2.6V
0V
0.1V
4.9V
2.2V
2.4V
4.9V
0.1V
2.5V
2.5V
2.5V
2.5V
0.7V
0V
2.6V
3.4V
3.4V
0V
4.9V
0.2V
0.7V
"ON"
"ON"
4.9V
4.9V
4.9V
www.freeservicemanuals.info
12/21/15
Published in Heiloo, Holland.