Toshiba 24W33B, Service Manual

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PINNING PIN VALUE
1. Write protect enable : 0V
2. Not connected : 0V
3. Chip enable input : 0V
4. Ground : 0V
5. Serial data address input/output : Input LOW voltage : Min : -0.3V, Max : 0.3*Vcc
: Input HIGH voltage : Min : 0.7*Vcc, Max : Vcc+1
6. Serial clock : Input LOW voltage : Min : -0.3V, Max : 0.3*Vcc
: Input HIGH voltage : Min : 0.7*Vcc, Max : Vcc+1
7. Multibyte/Page write mode : Input LOW voltage : Min : -0.3V, Max : 0.5V
: Input HIGH voltage : Min : Vcc-0.5, Max : Vcc+1
8. Supply voltage : Min : 2.5V, Max : 5.5V
TDA1308
Features:
• Wide temperature range
• Excellent power supply ripple rejection
• Low power consumption
• Short-circuit resistant
• High performance
• high signal-to-noise ratio
• low distortion
PINNING PIN VALUE
1. Output A (Voltage swing) : Min:0.75V, Max:4.25V
2. Inverting input A : Vo(clip):Min:1400mVrms
3. Non-inverting input A : 2.5V
4. Ground : 0V
5. Non-inverting input B : 2.5V
6. Inverting input B : Vo(clip):Min:1400mVrms
7. Output B (Voltage swing) : Min:0.75V, Max:4.25V
8. Positive supply : 5V, Min:3.0V, Max:7.0V
TDA7261
General Description of TDA7261
The TDA7261 is a class AB dual Audio power amplifier, specially designed for high quality sound applications in
mono TV sets.
• Wide supply voltage range up to 50V ABS max.
• Split supply
• High output power;25W @THD =10%, R
L
=8W,V
S
= ±20V
• No pop at turn-on/off
• Mute (Pop free)
• Stand-by feature
• Thermal overload protection
• Short circuit protection to gnd
PINNING
1. N.C.
2. + V
S
3. Output
4. Mute/Stby
5. - V
S
6. In
7. GND
8. N.C.