Sharp 66GS-62 (serv.man9) Service Manual ▷ View online
24
66GS-62H
PINNING
SYMBOL
PIN
DESCRIPTION
VIF1
1
VIF differential input 1
VIF2
2
VIF differential input 2
OP1
3
output 1 (open-collector)
FMPLL
4
FM-PLL for loop filter
DEEM
5
de-emphasis output for capacitor
AFD
6
AF decoupling input for capacitor
DGND
7
digital ground
AUD
8
audio output
TOP
9
tuner AGC TakeOver Point (TOP)
SDA
10
I
2
C-bus data input/output
SCL
11
I
2
C-bus clock input
SIOMAD
12
sound intercarrier output and MAD
select
select
n.c.
13
not connected
Note
1. Not connected for TDA9885.
TAGC
14
tuner AGC output
REF
15
4 MHz crystal or reference input
VAGC
16
VIF-AGC for capacitor; note 1
CVBS
17
video output
AGND
18
analog ground
VPLL
19
VIF-PLL for loop filter
V
P
20
supply voltage (+5 V)
AFC
21
AFC output
OP2
22
output 2 (open-collector)
SIF1
23
SIF differential input 1
SIF2
24
SIF differential input 2
SYMBOL
PIN
DESCRIPTION
handbook, halfpage
TDA9885T
TDA9886T
TDA9886T
MXXxxx
1
2
3
4
5
6
7
8
9
10
11
12
VIF1
VIF2
OP1
FMPLL
DEEM
AFD
DGND
AUD
TOP
SDA
SCL
SIOMAD
SIF2
SIF1
OP2
AFC
VP
VPLL
AGND
CVBS
VAGC
(1)
REF
TAGC
n.c.
24
23
22
21
20
19
18
17
16
15
14
13
Fig.2 Pin configuration for SO24.
(1) Not connected for TDA9885.
handbook, halfpage
TDA9885TS
TDA9886TS
TDA9886TS
MXXxxx
1
2
3
4
5
6
7
8
9
10
11
12
VIF1
VIF2
OP1
FMPLL
DEEM
AFD
DGND
AUD
TOP
SDA
SCL
SIOMAD
SIF2
SIF1
OP2
AFC
VP
VPLL
AGND
CVBS
VAGC
(1)
REF
TAGC
n.c.
24
23
22
21
20
19
18
17
16
15
14
13
Fig.3 Pin configuration for SSOP24.
(1) Not connected for TDA9885.
ICs ADITIONAL INFORMATION: TDA9885 (IC201)
25
66GS-62H
ICs ADITIONAL INFORMATION: TDA7480 (IC301, IC302, IC501)
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V
CC
DC Supply Voltage
±
20
V
T
stg
, T
j
Storage and Junction Temperature
–40 to 150
°C
V
FREQ
Maximum Voltage Across VFREQ (Pin 9)
8
V
T
op
Operating Temperature Range
-20 to 70
°C
ESD
Maximum ESD on Pins
±
1.8
kV
THERMAL DATA
Symbol
Parameter
Value
Unit
R
th j-amb
Thermal Resistance Junction to ambient
80
°C/W
R
th j-pin
Thermal Resistance Junction to Pin Max.
12
°C/W
PIN FUNCTIONS
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
-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
PIN CONNECTION (Top view)
0
4
8
12
Area(cm
2
)
30
40
50
60
R
thj-a
(˚C/W)
D97AU675
COPPER AREA 35
µ
THICKNESS
PC BOARD
Rth with "on board" Square Heatsink vs. cop-
per area.
per area.
26
66GS-62H
ICs ADITIONAL INFORMATION: TDA7480 (IC301, IC302, IC501)
ELECTRICAL CHARACTERISTICS (Refer to the test circuit, V
CC
=
±
14V; R
L
= 8
Ω
; R
S
= 50
Ω
;
R
f
= 12K
Ω
; Demod.. filter L = 60
µ
H, C = 470nF; f = 1KHz; T
amb
= 25°C unless otherwise specified.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
S
Supply Range
±
10
±
16
V
I
q
Total Quiescent Current
R
L
=
∞
; NO LC Filter
25
40
mA
V
OS
Output Offset Voltage
Play Condition
–50
+50
mV
P
O
Output Power
THD = 10%
THD = 1%
THD = 1%
8.5
6
10
7
W
W
W
R
L
= 4
Ω
V
CC
=
±
10.5V
THD = 10%
THD = 1%
THD = 1%
10
7
W
W
W
P
d
(*)
Dissipated Power at 1W Output
Power
Power
R
f
= 12K
Ω
P
Ο
= 1W
1
W
P
DMAX
Maximum Dissipated Power
P
Ο
= 10W THD 10%
R
th-j-amb
= 38°C/W (Area 12cm
2
)
1.8
W
η
Efficiency
≡
P
O
P
O
+
P
D
≡
P
O
P
I
(**)
THD 10%
R
R
th-j-amb
= 38°C/W (Area 12cm
2
)
80
85
%
THD
Total Harmonic Distortion
R
L
= 8
Ω
; P
O
= 0.5W
0.1
%
I
max
Overcurrent Protection
Threshold
Threshold
R
L
= 0
3.5
5
A
T
j
Thermal Shut-down Junction
Temperature
Temperature
150
°C
G
V
Closed Loop Gain
29
30
31
dB
e
N
Total Input Noise
A Curve
f = 20Hz to 22KHz
f = 20Hz to 22KHz
7
12
µ
V
µ
V
R
i
Input Resistance
20
30
K
Ω
SVR
Supply Voltage Rejection
f = 100Hz; V
r
= 0.5
46
60
dB
T
r
, T
f
Rising and Falling Time
50
ns
R
DSON
Power Transistor on Resistance
0.4
Ω
F
SW
Switching Frequency
100
120
140
KHz
F
SW_OP
Switching Frequency Operative
Range
Range
100
200
KHz
B
F
Zero Signal Frequency
Constant (***)
Constant (***)
1.4x10
9
Hz
Ω
R
F
Frequency Controller Resistor
Range (****)
Range (****)
7
12
14
K
Ω
MUTE & STAND-BY FUNCTIONS
V
ST-BY
Stand-by range
0.8
V
V
MUTE
Mute Range
1.8
2.5
V
V
PLAY
Play Range (1)
4
V
A
MUTE
Mute Attenuation
60
80
dB
I
qST-BY
Quiescent Current @ Stand-by
3
5
mA
*: The output average power when the amplifier is playing music can be considered roughly 1/10 of the maximum output power. So it is useful
to consider the dissipated power in this condition for thermal dimensioning.
to consider the dissipated power in this condition for thermal dimensioning.
**: P
O
= measured across the load using the following inductor:
COIL 58120 MPPA2 (magnetics) TURNS: 28
∅
1mm
COIL77120 KOOL M
µ
(magnetics) TURNS: 28
∅
1mm
***: The zero-signal switching frequency can be obtained using the following expression: F
SW
= B
F
/R
F
****: The maximum value of R
F
is related to the maximum possible value for the voltage drop on R
F
itself.
(1): For V
12
>5.2V, an input impedance of 10K
Ω
is to be considered.
27
66GS-62H
ICs ADITIONAL INFORMATION: MSP3410G (IC303)
Block Diagram of the MSP 34x1G
So
u
rce
S
e
lect
Loud-
SCART1
SCART2
SCART1
SCART2
SCART4
SCART3
MONO
De-
modulator
Headphone
Headphone
I
2
S
Sound
Processing
speaker
Sound
Processing
DAC
DAC
ADC
Loud-
DAC
DAC
ADC
Subwoofer
SCART
DSP
Input
Select
Pre-
processing
SCART
Output
Select
Prescale
Prescale
I
2
S1
I
2
S2
Sound IF1
Sound IF2
speaker
80-pin PQFP package
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
ASG1
NC
SC2_IN_R
SC2_IN_L
ASG2
SC3_IN_R
SC3_IN_L
ASG4
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 34x1G
