KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
64
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
AY BOARD SCHEMATIC DIAGRAM (1 OF 2)
1
|
2 |
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
J
—
K
—
L
—
M
—
N
—
O
—
B
A
G
D
T
6
0
0
G
D
T
6
0
1
G
D
T
6
0
2
G
D
T
6
0
3
GDT604
1
2
3
I
O
G
I
O
G
1
2
3
2
4
3
1
9
8
7
1
2
3
4
1
2
3
4
1
9
V
3
0
V
5
V
S
C
L
S
D
A
A
S
R
F
A
G
C
V
I
F
9
V
A
F
T
O
U
T
G
N
D
D
E
T
O
U
T
2
D
E
T
O
U
T
S
T
L
E
D
B
I
L
L
E
D
M
O
D
E
F
M
O
N
O
N
C
M
U
T
E
M
O
U
T
R
O
U
T
L
O
U
T
1
2
3
4
5
6
7
8
I
O
G
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
2
3
4
5
6
7
8
9
10
11 12
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
1
2
3
4
5
1
2
I
O
G
1
2
1
2
1
1
1
1
1
1
1
2
3
4
5
6
7
8
9
1
0
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
3
0
3
1
3
2
3
3
3
4
3
5
3
6
3
7
3
8
3
9
4
0
4
1
4
2
4
3
4
4
4
5
4
6
4
7
4
8
4
9
5
0
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
3
0
3
1
3
2
3
3
3
4
3
5
3
6
3
7
3
8
3
9
4
0
4
1
4
2
4
3
4
4
4
5
4
6
4
7
4
8
4
9
5
0
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
3
0
3
1
3
2
3
3
3
4
3
5
3
6
3
7
3
8
3
9
4
0
4
1
4
2
4
3
4
4
4
5
4
6
4
7
4
8
4
9
5
0
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
C506
C507
C514
C515
C528
C530
C536
C537
C540
C542
C547
C548
C549
C550
C551
C553
C554
C555
C556
C558
C559
C560
C561
C562
C564
C565
C566
C567
C569
C574
C577
C578
C584
C591
C593
C595
C597
C598
C599
C601
C607
C611
CN501
CN503
CN505
CN508
CN509
CN513
CN514
CN
5
15
CN
5
16
CN
5
17
CN
5
18
CN
5
19
CN
5
20
CN524
CN527
CN526
D501
D502
D508
D509
D541
D540
D534
D510
D535
D511
D512
D513
D514
D515
D516
D517
D520
D519
D521
D522
D524
D526
D530
D531
FH501
FH502
L
50
2
L505
L5
0
6
L507
L508
PS502
Q501
Q508
Q510
Q511
Q513
Q514
R501
R643
R504
R505
R506
R507
R512
R513
R611
R515
R516
R6
4
6
R524
R531
R532
R533
R534
R535
R536
R537
R539
R540
R542
R544
R5
45
R546
R548
R550
R573
R551
R553
R552
R554
R555
R5
56
R557
R558
R559
R560
R563
R565
R636
R635
R572
R574
R577
R579
R585
R586
R591
R596
R598
R599
R602
R603
R610
R617
R622
R631
RY501
F501
CN521
C563
CN510
R606
R607
CN525
R595
R601
C505
C508
R570
R527
CN523
FB500
JW504
JW505
JW506
JW507
JW508
JW573
R508
R509
R510
TH501
C502
FB501
JW574
R502
R503
VD501
L511
D548
JW576
JW577
L510
R547
T502
C513
C503
C512
C501
CN507
TU502
C583
C585
R588
R589
CN504
C510
C612
C613
JW510
JW511
C518
C579
C580
C504
D503
D504
D505
FB502
R511
R581
R582
Q502
Q527
IC501
Q503
IC502
IC504
Q524
Q517
IC508
Q518
Q519
R632
Q507
Q505
IC505
Q512
CN506
JR511
1SS133
1SS133
PROT
2SD601A
INVERTER
2SD601A
DGC-RLY-DRV
2SD601A
MUTE
DLS12D1
1SS133
2SB709A
MUTE
2SB709A
MUTE
1SS133
1SS133
1SS133
1SS133
1SS133
1SS133
1SS133
1SS133
1SS133
1SS133
1SS133
1SS133
1SS133
1SS133
470
50V
2200
25V
1
50V
47
25V
100
16V
100
16V
470
25V
1000
16V
0.0022
50V
B:CHIP
0.0022
50V
B:CHIP
0.0022
50V
B:CHIP
100
16V
1000
16V
100
16V
1000
16V
0.0022
50V
B:CHIP
470
16V
0.01
25V
B:1608
10
50V
0.0022
50V
B:CHIP
1
10V
F:1608
0.047
16V
B:1608
1000
16V
1
50V
1
50V
10
50V
0P
2P
:PW-CN
3P
:MINI(LOCK)
10P
10P
2P
:MINI(LOCK)
0P
0P
0P
0P
0P
0P
12P
:MICRO
8P
:S-MICRO
:L
H
L0
8
:LHLZ06
:
LH
LZ
0
6
:LHLZ06
:LHL08
0 :CHIP
10k
1/16W
:CHIP
10k
1/16W
:CHIP
1M
1/16W
:CHIP
220k
1/16W
:CHIP
10k
1/16W
:CHIP
10k
1/16W
:CHIP
1M
1/16W
:CHIP
10k
1/16W
:CHIP
1k
1/16W
:CHIP
2.2k
1/16W
:CHIP
10k
1/16W
:CHIP
10k
1/16W
:RN-CP
18k
1/16W
:RN-CP
4.7k
1/16W
:CHIP
270k
1/16W
:RN-CP
4.7k
1/16W
:CHIP
1k
1/16W
:CHIP
1k
1/16W
:CHIP
4.7k
1/16W
:CHIP
4.7k
1/16W
:CHIP
100k
1/16W
:CHIP
10k
1/16W
:CHIP
22k
1/16W
:CHIP
0
:CHIP
10k
1/16W
:CHIP
33
k
1
/1
6
W
:C
HI
P
1k
1/16W
:CHIP
2.2k
1/16W
:CHIP
1k
1/16W
100
1/16W
:CHIP
100
1/16W
:CHIP
1k
1/16W
:CHIP
2.2k
1/16W
:CHIP
10k
1/16W
:CHIP
10k
1/16W
:CHIP
10k
1/16W
:CHIP
10k
1/16W
:CHIP
0 :CHIP
47
1/
16
W
:C
H
IP
47
1/16W
:CHIP
10k
1/16W
:CHIP
1.5k
1/16W
:CHIP
150k
1/16W
:CHIP
1M
1/16W
:CHIP
330p
50V
B:1608
100p
50V
CH:1608
1k
1/16W
:CHIP
470k
1/4W
5P
:S-MICRO
1k
1/16W
:CHIP
1k
1/16W
:CHIP
2SB709A
VIDEO-BUFFER
470
25V
470
25V
1000
16V
100
16V
150k
1/16W
:CHIP
50P
0
1/
16
W
:C
HI
P
1SS133
1SS133
1
470
470
220
0.001
2200
0.1
0.1
0.1
1SS133
1SS133
1SS133
N50
2.2k
10k
2.2k
4.7k
1k
2.2
2.2
10k
0.1
:PT
T6.3A
250V
10P
B-B
47
25V
40P
10k
1/16W
:CHIP
10k
1/16W
:CHIP
50P
220
1/16W
:CHIP
220
1/16W
:CHIP
10k
1/16W
:CHIP
0.22
1W
:RS
50P
:LFT
1SS133
JW(10.0MM)
JW(10.0MM)
3.3k
1/16W
:CHIP
2.2
50V
MTZJ-22B
MTZJ-22B
2.2
250V
2.2
250V
B
0.22
275V
11P
BTF-WA421
0.047
:MPS
0.047
:MPS
4.7k
1/16W
:CHIP
4.7k
1/16W
:CHIP
0.1
50V
B
1000
35V
1000
35V
47
50V
0.22
50V
0.22
50V
2.2
S1VB40
1SS133T-77
1SS133T-77
0UH
220k
1/16W
:CHIP
0
:CHIP
0 :CHIP
2SB709A
PROT
2SB709A
PROTECT
BA05T
STBY 5V REG
2SB709A
PROTECT
PQ30RV21
3.3 REG
PQ05RD21
5V REG
2SD601A
SW
2SD601A
MUTE
TA8216H
AUDIO AMP
2SD601A
MUTE
2SD601A
MUTE
10k
2SD601A
SW
2SB709A
BUFF
PQ09RD21
9V REG
2SB709A
INVERTER
2P
0
UNREG7V
UNREG5V
UNREG11V
U
N
R
E
G
5
V
UNREG7V
U
N
R
E
G
1
1
V
UNREG11V
SETON
PSW(-)
12V
BIIC
UNREG11V
3.3V
5V
9V
SIIC
9V
9V
5V
3.3V
5V
9V
9V
1
2
V
5V
STBY5V
5V
STBY5V
1
2
V
OCP
ACRLY
HPLS
S
E
T
O
N
P
S
W
(
-
)
+BOVP
VSIN
BIIC
PDAT
SIRCS
3.3V
DFDAC
DQPDAC
D
Q
P
D
A
C
ID
ID
MS5V
MS5V
5V-D
5V-D
STBY5V
9VSW
VDRV-
3
1
2
4
3
3
1
2
2
1
2
1
4
3
T
U
1
V
T
U
1
L
S
C
L
K
S
D
A
T
B
D
A
T
B
C
L
K
M
I
D
R
S
T
M
I
D
B
U
S
Y
T
H
S
W
S
U
B
O
S
D
S
C
L
K
S
D
A
T
R
G
B
Y
S
Y
M
R
G
B
YSYM
V
T
U
1
V
T
U
1
R
T
U
1
L
V
H
H
MPPARA
EWPARA
DFPARA
HCPARA
VDRV-
VDRV+
ABL
ABL
VDRV+
VDRV-
HCPARA
DFPARA
EWPARA
MPPARA
VPARA1
V
P
A
R
A
1
V
P
A
R
A
2
A
G
C
M
A
F
T
T
U
M
S
A
P
I
N
D
I
S
A
P
M
O
N
O
A
F
T
T
U
M
M
O
N
O
A
G
C
M
S
A
P
V
D
O
V
S
V
D
O
H
S
V
D
O
C
R
V
D
O
C
B
V
D
O
Y
T
H
S
W
S
U
B
O
S
D
M
I
D
B
U
S
Y
V
D
O
H
S
M
I
D
R
S
T
V
D
O
C
R
V
D
O
C
B
D
R
C
C
R
D
R
C
C
B
D
R
C
Y
W
R
W
L
D
R
C
Y
D
R
C
C
B
S
P
M
U
T
E
A
M
U
T
E
A
M
U
T
E
S
P
M
U
T
E
D
R
C
C
R
HDRV
VPROT
HPROT
HPLS
JIGRG
JIGSCP
JIGB
HDRV
HPROT
VPROT
HPLS
JIGSCP
JIGB
V
D
O
Y
D
R
C
V
S
U
B
V
S
U
B
H
D
R
C
H
S
C
L
K
S
D
A
T
S
U
B
V
S
U
B
H
V
M
U
T
E
JIGRG
D
R
C
H
D
R
C
V
H
S
Y
N
C
T
U
S
H
S
Y
N
C
T
U
M
H
S
Y
N
C
T
U
M
S
A
P
I
N
D
I
A
F
T
T
U
S
T
U
2
V
T
U
2
L
R
T
U
1
R
VPARA2
BDAT
BCLK
WR
WL
V
M
U
T
E
V
D
O
V
S
L
M
U
T
E
L
M
U
T
E
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
:LFT
*
*
*
*
:MINI(LOCK)
*
*
DGC
NC
DGC
DGC
DGC
NC
TO DGC
TO DGC
FOR CHECK
CHECK
CHECK
GR-SW2
TP92
33V
W-R
TP101
W-L
TP102
W-R-OUT
H-R-OUT
W-L-OUT
H-L-OUT
AUDIO GND
3
3
V
SPEAKER OUT
U
N
R
E
G
7
V
U
N
R
E
G
7
V
U
N
R
E
G
5
V
U
N
R
E
G
5
V
U
N
R
E
G
1
1
V
U
N
R
E
G
1
1
V
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
B
GND
GND
ABL
GND
GND
GND
GND
CN5001
12V
OSDYSYM
SCP
5V
9V
ABL
VDRV+
VDRV-
MPPARA
EWPARA
T
U
2
V
T
U
2
L
R
S
A
P
T
U
1
R
T
U
1
L
T
U
1
V
H
S
Y
N
C
T
U
M
A
G
C
M
H
S
Y
N
C
T
U
S
D
H
M
U
T
E
+
B
O
V
P
O
S
D
Y
S
Y
M
S
D
A
T
S
C
L
K
B
I
N
T
B
C
L
K
B
D
A
T
A
F
T
T
U
M
3
.
3
V
3
.
3
V
A
F
T
T
U
S
S
A
P
I
N
D
I
T
H
S
W
M
I
D
B
U
S
Y
M
I
D
R
S
T
V
D
O
H
S
V
D
O
C
R
V
D
O
C
B
5
V
5
V
9
V
9
V
D
G
C
R
L
Y
A
C
R
L
Y
D
R
C
H
D
R
C
C
R
V
A
R
M
U
T
E
D
R
C
C
B
L
R
5
V
5
V
9
V
V
D
O
V
S
3
.
3
V
3
.
3
V
C
L
K
1
OSDH
OSDV
M
O
N
O
O
S
D
V
O
S
D
H
A
N
T
S
W
A
C
O
F
F
DFPARA
HCPARA
VPARA2
VPARA1
V
D
O
V
S
V
D
O
Y
S
U
B
H
S
U
B
V
V
D
O
H
S
M
I
D
R
S
T
V
D
O
C
R
V
D
O
C
B
A
M
U
T
E
D
R
C
Y
O
U
T
W
R
O
U
T
W
L
MPPARA
EWPARA
DFPARA
HCPARA
VDRV-
VDRV+
HPLS
HPROT
VPROT
HDRV
OSDR
GND
GND
OSDG
OSDB
GND
JIGRG
JIGB
GND
GND
HDRV
VPROT
HPROT
GND
HPLS
GND
GND
GND
GND
GND
GND
G
N
D
G
N
D
D
A
T
1
G
N
D
M
I
D
B
I
N
T
M
I
D
B
U
S
Y
S
U
B
G
G
N
D
G
N
D
T
H
C
O
N
T
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
V
D
O
Y
G
N
D
G
N
D
D
R
C
V
D
R
C
H
G
N
D
G
N
D
D
R
C
C
R
G
N
D
G
N
D
D
R
C
C
B
G
N
D
D
R
C
Y
G
N
D
G
N
D
S
P
M
U
T
E
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
S
U
B
V
S
U
B
H
G
N
D
S
U
B
O
S
D
G
N
D
G
N
D
S
T
B
Y
5
V
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
O
S
D
B
O
S
D
G
O
S
D
R
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
GND
GND
GND
GND
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
V
P
A
R
A
2
V
P
A
R
A
1
M
A
I
N
1
2
V
M
A
I
N
9
V
GND
D
R
C
V
P
R
O
T
M
U
T
E
BINT
PROTMUTE
O
C
P
S
E
T
O
N
P
S
W
(
-
)
VSIN
P
O
W
E
R
I
N
T
P
O
W
E
R
I
N
T
AC(N)
AC(L)
A
C
(
N
)
A
C
(
L
)
CN3203
CN2002
A
B
L
A
T
T
A
B
L
A
T
T
BDAT
BCLK
E
R/G
SCP
PDAT
S
I
R
C
S
HOLDDOWN
HOLDN/PCLK
AUDIO VCC
AUDIO VCC
NC
AUDIO GND
D
F
D
A
C
D
Q
P
D
A
C
D
Q
P
D
A
C
I
D
/
P
M
U
T
E
ID/SIRCS
I
D
P
M
U
T
E
M
S
5
V
M
S
5
V
5
V
-
D
5
V
-
D
STBY5V
G
N
D
/
U
N
R
E
G
5
V
G
N
D
/
U
N
R
E
G
5
V
ID
LV-PHASE
VTIM
L
M
U
T
E
TO DZ CN6503
TO MY CN2302
TO MY
TO BY
TO BY
TO BY CN2804
TO DZ BOARD
TO DZ CN5009
TO DZ CN6506
TO DZ CN6502
TO DZ CN6504
TUNER
AUDIO POWER
AC/DC POWER
DGC
DGC
DGC
DGC
AC
IN
9-965-963-01<DA4>AY-1OF2
+33V
+9V
+5V
+3.3V
MAIN 9V
WL
WR
1
VIDEO
TU R
TU L
+33V
MAIN 9V
R
L
AY BOARD WAVEFORM
1
1.9 Vp-p (H)
AY BOARD IC VOLTAGE LIST
8
3.3
PIN
VOLT
PIN
VOLT
9
GND
I
7.0
1
1.6
IC903
O
5.0
2
0.1
PIN
VOLT
GND
GND
3
GND
1
4.9
4
0.1
2
4.9
PIN
VOLT
5
1.6
3
4.9
I
5.0
6
7.9
4
4.9
O
3.3
7
11.0
5
N/C
GND
GND
8
5.1
6
5.0
4
3.4
9
24.0
7
5.0
10
0.0
8
5.0
PIN
VOLT
11
4.4
9
5.0
I
7.0
12
10.6
10
12.0
O
5.0
11
4.5
GND
GND
PIN
VOLT
12
5.0
4
N/C
1
3.3
13
5.0
2
3.3
14
1.2
PIN
VOLT
3
0.1
15
5.0
I
11.0
4
-15.7
16
4.6
O
9.0
5
GND
17
4.6
GND
GND
6
15.3
18
GND
4
2.3
7
N/C
All voltages are in V.
IC505
IC508
IC900
IC501
IC502
IC504
AY BOARD TRANSISTOR VOLTAGE LIST
B
C
E
Q501
0.1
19.4
GND
Q502
21.3
19.4
21.3
Q503
21.2
0.2
21.3
Q505
10.0
0.1
11.0
Q507
0.1
2.3
GND
Q508
10.5
0.3
0.0
Q510
12.0
0.0
12.0
Q511
0.1
7.5
GND
Q512
3.3
0.5
3.3
Q513
0.0
9.0
0.0
Q514
5.9
GND
6.5
Q517
0.0
4.4
GND
Q518
0.0
0.0
GND
Q519
0.0
0.0
GND
Q524
0.7
0.1
GND
Q527
9.8
0.0
5.0
All voltages are in V.