Sharp 21KF-80 (serv.man9) Service Manual ▷ View online
24
21KF-80H
TEA1507 (IC701)
Block Diagram
Pinning
SYMBOL PIN
DESCRIPTION
V
CC
1
supply voltage
GND
2
ground
CTRL
3
control input
DEM
4
input from auxiliary winding for
demagnetization timing, OVP and OPP
demagnetization timing, OVP and OPP
I
sense
5
programmable current sense input
DRIVER
6
gate driver output
HVS
7
high voltage safety spacer, not
connected
connected
DRAIN
8
drain of external MOS switch, input for
start-up current and valley sensing
start-up current and valley sensing
handbook, halfpage
MGU231
TEA1507
1
2
3
4
VCC
GND
CTRL
DEM
DRAIN
HVS
DRIVER
Isense
8
7
6
5
Pin configuration.
ndbook, full pagewidth
SUPPLY
MANAGEMENT
internal
supply
UVLO
start
M-level
VCC
1
2
3
GND
S1
CTRL
FREQUENCY
CONTROL
VOLTAGE
CONTROLLED
OSCILLATOR
LOGIC
LOGIC
OVER-
VOLTAGE
PROTECTION
OVERPOWER
PROTECTION
PROTECTION
short
winding
soft
start
S2
OVER-
TEMPERATURE
PROTECTION
S
Q
R
UVLO
Q
MAXIMUM
ON-TIME
PROTECTION
POWER-ON
RESET
−1
VALLEY
TEA1507
100 mV
clamp
DRIVER
START-UP
CURRENT SOURCE
0.75 V
0.5 V
5
Isense
6
DRIVER
MGU230
4
DEM
8
DRAIN
7
HVS
n.c.
n.c.
OCP
LEB
blank
Iss
2.5 V
burst
detect
detect
Block diagram.
25
21KF-80H
AN7523 (IC302, IC303)
Block Diagram
Pin Descriptions
Note: Do not apply voltage or current to NC pin from outside
AN5522 (IC501)
Block Diagram
Pin Descriptions
1
2
3
4
5
6
7
8
9
V
CC
Output
GND
Output
Standby
Input
GND
N.C.
V
olume
Pin No.
Description
1
Vcc
2
Ch Output (+)
3
GND
4
Ch Output (-)
5
Standby
6
Ch Input
7
GND
8
N.C
9
Volume
Pin No.
Pin Name
1
Inverting Input
2
Power Supply
3
Pump-up Output
4
GND
5
Vertical Output
6
Vertical Output Power Supply
7
Non-inverting Input
Non-inverting Input
Output Vcc
Output
GND
Pump Up Out
Vcc
Inverting Input
1
2
3
4
5
6
7
Pump Up
Thermal Protection
Amp
+
-
26
21KF-80H
MSP34x5G (IC3001)
Pinning
Block Diagram
PMQFP44 package
CAPL_M
AHVSS
AGNDC
SC2_IN_L
SC2_IN_R
ASG
SC1_IN_L
SC1_IN_R
VREFTOP
MONO_IN
AVSS
RESETQ
I2S_DA_IN2
DVSS
DVSUP
ADR_CL
I2S_DA_IN1
I2S_DA_OUT
I2S_WS
I2S_CL
I2C_DA
I2C_CL
NC
SC1_OUT_L
SC1_OUT_R
VREF1
NC
AHVSUP
DACM_L
DACM_R
VREF2
NC
NC
ANA_IN1
+
ANA_IN
−
TESTEN
XTAL_IN
XTAL_OUT
AVSUP
TP
D_CTR_I/O1
D_CTR_I/O0
ADR_SEL
STANDBYQ
MSP 34x5G
34
35
36
37
38
39
40
41
42
43
44
22
21
20
19
18
17
16
15
14
13
12
1
2
3
4
5
6
7
8
9
10 11
33 32 31 30 29 28 27 26 25 24 23
Simplified functional block diagram of MSP 34x5G
Sour
ce Select
Loud-
SCART1
SCART1
SCART2
MONO
De-
modulator
speaker
Sound
Processing
DAC
ADC
Loud-
DAC
ADC
Sound IF1
speaker
I
2
S
I
2
S1
I
2
S2
Pre-
processing
Prescale
Prescale
SCART
DSP
Input
Select
SCART
Output
Select
26
21KF-80H
MSP34x5G (IC3001)
Pinning
Block Diagram
PMQFP44 package
CAPL_M
AHVSS
AGNDC
SC2_IN_L
SC2_IN_R
ASG
SC1_IN_L
SC1_IN_R
VREFTOP
MONO_IN
AVSS
RESETQ
I2S_DA_IN2
DVSS
DVSUP
ADR_CL
I2S_DA_IN1
I2S_DA_OUT
I2S_WS
I2S_CL
I2C_DA
I2C_CL
NC
SC1_OUT_L
SC1_OUT_R
VREF1
NC
AHVSUP
DACM_L
DACM_R
VREF2
NC
NC
ANA_IN1
+
ANA_IN
−
TESTEN
XTAL_IN
XTAL_OUT
AVSUP
TP
D_CTR_I/O1
D_CTR_I/O0
ADR_SEL
STANDBYQ
MSP 34x5G
34
35
36
37
38
39
40
41
42
43
44
22
21
20
19
18
17
16
15
14
13
12
1
2
3
4
5
6
7
8
9
10 11
33 32 31 30 29 28 27 26 25 24 23
Simplified functional block diagram of MSP 34x5G
Sour
ce Select
Loud-
SCART1
SCART1
SCART2
MONO
De-
modulator
speaker
Sound
Processing
DAC
ADC
Loud-
DAC
ADC
Sound IF1
speaker
I
2
S
I
2
S1
I
2
S2
Pre-
processing
Prescale
Prescale
SCART
DSP
Input
Select
SCART
Output
Select
Display
