Daewoo DSC-3220E/3220L service manual Vee

Page 43

Service manual SC-150

4-11 LA6515

4-11-1 General description

The LA6515 features an on-chip current limiter and provides high voltage gain and a high common-mode rejection ratio.

The LA6515 is an ideal choice for power applications such as DC servos, capstan drivers, actuator drivers, programmable power supplies and high-quality audio amplifiers.

The LA6515 is available in 10-pin SIPs and operates from -15V and 15V supplies.

4-11-2 Features

 

-0.5A output current

-2mV offset voltage

-100dB voltage gain

-10nA offset current

-80dB common-mode rejection

-On-chip current limiter

-0.15V/us slew rate

-15V and 15V supplies

4-11-3 Block diagram

 

VSENSE1

VOUT1

+

VIN1-

VIN1+

VEE

VIN2+

VIN2-

+

VOUT2

VSENSE2

VCC

4-11-4 Pin Description

Pin

Symbol

Description

 

 

 

1

VSENSE1

Voltage detect

2

OUT1

Output

3

V1-

Inverting input

4

V1+

Non-inverting input

5

VEE

-15V supply

6

V2+

Non-inverting input

7

V2-

Inverting input

8

OUT2

Output

9

VSENSE2

Voltage detect

10

Vcc

15V supply

-42-

Image 43 Contents
Chassis SC-150 Contents General description Main PCB Union PCB Tuning system Main FeaturesPower consumption Sound Output PowerSvhs Pin Signal Description Matching value Page C04 C01C02 C03639.25 S13 S10S11 S12Special case Country selection = Others Program Group SkipITV RAY Radiation Precaution Safety instructionHOR Width Order Default settingh for SC-150Alignment instructions ParabolaOption HOR Paral BOW HOR Width Corner EW Trapez VCT IC descriptionPage Page Chassis IC marking OSD languages Atss countries Text IC version VCT 3832A VCT 3834APin Name Type Short Description Gndaf Supply AGC Page German 2-Carrier System Dual FM System DSP-Section Audio Baseband ProcessingAnalogue Section Nicam plus FM/AM-MonoAdrsel PALSECAM-L UssrVREF2 ResetqDvsup DvssXtalin FeaturesANAIN1 TestenPin Symbol Function Mode OUT1GND1 OUT1+TDA8946J Page GND Block diagram TDA6107Q SCL SDAPage TJ TSD Pin Name Symbol DescriptionVIN OVP IIN H Description IC Pins Symbol Rating Unit I2C Decoder SW3 SW1SW0 SW2IN2 IN3OUT IN1VEE Circuit description If section Block diagram Vision if Amplifier FPLL, VCO and AFC Standard FeaturesPage Page Adaptive Comb Filter VCT3834A only Video Sync Processing CRT Measurement and Control Page Stand by ConfigurationDescription Application Forced KEY Page Quadrature Mixers ESCPage Page STR-F6654 general description Power supply primary part operationsPage STR-F6654 oscillating operation Overvoltage protection circuit OVP Overcurrent protection function OCPLatch circuit Thermal shutdown circuit TSDTV start-up operations TV normal run and stand-by mode operations Page FBT SC-150 Controlled Rectifier 6V DC High Service Parts List Cord Power Oxide Film 2W 1.2 OHM J Small Semi Fixed CCZB1H561K Cera Carbon Film Metal Film Carbon Comp PA01A RF27 RD-4Z221J Jumper Different Part List by PCB & Micom Version Main PCBUnion PCB Jumper DELExplode View PCB Main PCB Union Schematic DiagramMAIN Schematic DiagramUNION