Sharp 32KF-84H (serv.man14) Service Manual ▷ View online
55
32KF-84H
MSP3410G (IC303)
Pin Assignments
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
AVSUP
AVSUP
ANA_IN1+
ANA_IN
−
ANA_IN2+
TESTEN
XTAL_IN
XTAL_OUT
TP
AUD_CL_OUT
NC
NC
D_CTR_I/O_1
D_CTR_I/O_0
ADR_SEL
STANDBYQ
CAPL_M
AHVSUP
CAPL_A
SC1_OUT_L
SC1_OUT_R
VREF1
SC2_OUT_L
SC2_OUT_R
NC
NC
DACM_SUB
NC
DACM_L
DACM_R
VREF2
DACA_L
NC
AVSS
AVSS
MONO_IN
NC
VREFTOP
SC1_IN_R
SC1_IN_L
ASG
NC
SC2_IN_R
SC2_IN_L
ASG
SC3_IN_R
SC3_IN_L
ASG
SC4_IN_R
SC4_IN_L
NC
AGNDC
AHVSS
AHVSS
NC
NC
I2C_CL
I2C_DA
I2S_CL
I2S_WS
I2S_DA_OUT
I2S_DA_IN1
ADR_DA
ADR_WS
ADR_CL
NC
DVSUP
DVSUP
DVSUP
DVSS
DVSS
DVSS
I2S_DA_IN2
NC
NC
NC
RESETQ
NC
NC
DACA_R
MSP 34x0G
56
32KF-84H
N.
Name
Function
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
11
12
13
14
15
16
17
18
19
20
-V
CC
-V
CC
-V
CC
OUT
BOOTDIODE
BOOT
NC
FEEDCAP
FREQUENCY
SGN-GND
IN
ST-BY-MUTE
NC
+V
CC
SIGN
VREG
+V
CC
POW
-V
CC
-V
CC
-V
CC
-V
CC
NEGATIVE SUPPLY.
NEGATIVE SUPPLY.
NEGATIVE SUPPLY.
PWM OUTPUT
BOOTSTRAP DIODE ANODE
BOOTSTRAP CAPACITOR
NOT CONNECTED
FEEDBACK INTEGRATING CAPACITANCE
SETTING FREQUENCY RESISTOR
SIGNAL GROUND
INPUT
ST-BY/ MUTE CONTROL PIN
NOT CONNECTED
POSITIVE SIGNAL SUPPLY
10V INTERNAL REGULATOR
POSITIVE POWER SUPPLY
NEGATIVE SUPPLY (TO BE CONNECTED TO PIN 16 VIA C5)
NEGATIVE SUPPLY
NEGATIVE SUPPLY
NEGATIVE SUPPLY
NEGATIVE SUPPLY.
NEGATIVE SUPPLY.
PWM OUTPUT
BOOTSTRAP DIODE ANODE
BOOTSTRAP CAPACITOR
NOT CONNECTED
FEEDBACK INTEGRATING CAPACITANCE
SETTING FREQUENCY RESISTOR
SIGNAL GROUND
INPUT
ST-BY/ MUTE CONTROL PIN
NOT CONNECTED
POSITIVE SIGNAL SUPPLY
10V INTERNAL REGULATOR
POSITIVE POWER SUPPLY
NEGATIVE SUPPLY (TO BE CONNECTED TO PIN 16 VIA C5)
NEGATIVE SUPPLY
NEGATIVE SUPPLY
NEGATIVE SUPPLY
TDA7480L (IC501)
Pin Assignments
Pin Description
10W OUTPUT POWER:
R
R
L
= 8
Ω
/4
Ω
; THD = 10%
HIGH EFFICIENCY
NO HEATSINK
SPLIT SUPPLY
OVERVOLTAGE PROTECTION
ST-BY AND MUTE FEATURES
SHORT CIRCUIT PROTECTION
THERMAL OVERLOAD PROTECTION
NO HEATSINK
SPLIT SUPPLY
OVERVOLTAGE PROTECTION
ST-BY AND MUTE FEATURES
SHORT CIRCUIT PROTECTION
THERMAL OVERLOAD PROTECTION
DESCRIPTION
The TDA7480L is an audio class-D amplifier as-
sembled in Power DIP package specially de-
signed for high efficiency applications mainly for
TV and Home Stereo sets.
The TDA7480L is an audio class-D amplifier as-
sembled in Power DIP package specially de-
signed for high efficiency applications mainly for
TV and Home Stereo sets.
ORDERING NUMBER: TDA7480L
PDIP20 (14+3+3)
-V
CC
OUT
BOOTDIODE
N.C.
BOOT
FEEDCAP
FREQ
1
3
2
4
5
6
7
8
9
STBY/MUTE
N.C.
+V
CC SIGN
+V
CC POW
VREG
-V
CC
-V
CC
20
19
18
17
16
14
15
13
12
D96AU537B
SGN-GND
10
IN
11
-V
CC
-V
CC
-V
CC
-V
CC
57
32KF-84H
Fig.1 Block diagram.
handbook, full pagewidth
DIFFERENTIAL
STAGE
MIRROR
MIRROR
CURRENT
SOURCE
MIRROR
MIRROR
TDA6111Q
7 V
supply voltage
input HIGH
feedback
output
6
Vbias
FOLLOWERS
C par
9
non-inverting
input
inverting
input
3
1
4
2
ground
(substrate)
supply voltage
input LOW
7
8
5
cathode
transient
output
transient
output
cathode
DC output
DC output
black current
measurement
output
measurement
output
MGA058
SYMBOL
PIN
DESCRIPTION
V
ip
1
non-inverting voltage input
V
DDL
2
supply voltage LOW
V
in
3
inverting voltage input
GND
4
ground, substrate
I
om
5
black current measurement
output
output
V
DDH
6
supply voltage HIGH
V
cn
7
cathode transient voltage output
V
oc
8
cathode DC voltage output
V
fb
9
feedback voltage output
Fig.2 Pin configuration.
ndbook, halfpage
MGA057
1
2
3
4
5
6
7
8
9
DDL
V
GND
TDA6111Q
ip
V
in
V
om
I
oc
V
cn
V
fb
V
DDH
V
TDA6111Q (IC850, IC851, IC852)
Block Diagram
Pin Description
Pin Assignments
58
32KF-84H
SDA5550 (IC6001)
Block Diagram
Pin Assignments
Memory
Extension Unit
06
Core
Interrupt
Controller
Counter 1
Counter 0
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BLANK/COR
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RAM/ROM Interface
Display logic
Display
Regs
3RUW/RJLF
8$57
$QDORJ0X[
A
D
C
X
4
P
[0 t
o
4]
A
[0 t
o
15]
D[
0
t
o
7
]
AL
E
PS
EN
RD
WR
A[
1
6
t
o
A2
0
]
6)5V
$'&
C
V
B
S
P0
.0
.0
P0
.1
.1
P0
.2
.2
P0
.3
.3
P0
.4
.4
P0
.5
.5
P0
.6
.6
P0
.7
.7
VDD 2
.5
VS
S
S
VDD 3
.3
C
VBS
V
DDA 2
.5
VS
SA
SA
P2
.0
.0
P2
.1
.1
P2
.2
.2
P2
.3
.3
H
S
/ S
S
C
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.1
P3.2
P3.3
P3.4
P3.5
VS
P1.6
P1.5
P1.4
P1.3
P1.2
P1.1
P1.0
V
DD 3
.3
VS
S
S
V
DD 2
.5
BL
AN
K
AN
K
/
C
O
O
R
B
G
R
V
DDA 2
.5
VS
SA
SA
XT
A
A
L
1
XT
A
A
L
2
P4.3
P4.2
VDD 3.3
VSS
P3.7
P3.6
RST
D3
XR
O
O
M
P1
.7
.7
A7
A1
3
3
A1
2
2
A1
4
4
A1
5
5
A1
7
7
A1
6
6
A1
8
8
A1
9
9
A8
A6
A9
A5
A11
A4
PSEN
A3
A10
VSS
VDD 3.3
A2
A1
D7
A0
D6
D0
D5
D1
D4
D2
EN
E
E
ST
O
O
P
OC
F
RD
WR
FL
_R
S
_R
S
T
FL_CE
FL
_P
G
_P
G
M
ALE
EX
T
T
IF
TV
TE
X
TE
X
T
P
R
O
SD
A
A
5
5
XX
P-
M
M
Q
F
P
-1
0
0
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
3
1
32
33
3
4
35
36
3
7
38
39
40
41
42
43
4
4
45
46
47
4
8
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
10
0
0
9
9
80
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