LG TCH-600 BLOCK DIAGRAM

2-29 2-30

❏ BLOCK DIAGRAM

TU101 Q101,CF102 IC101 IC102 IC103

VT FM Vcc FM Vcc FM Vcc FM Vcc FM Vcc

Vdd Q807

TU201 FM ON *OPTION

Q109,110 FM OSC

AM Vcc VT Q805

IC104

AM OSC

PWR ON AM ON Q803,Q804

IC502 Q505,Q506,Q507

IC504 IC601

LD S/W MUTE IC801

IC501 *OPTION

LEVEL DET

ACC DET

IC503

*OPTION

FM F/ END

IF Filter &

Amp

IF IC

[LA1140]

NC IC

[KIA6010]

MPX IC

[LA3430M]

AM TUNER

LPF1

PLL IC

[KIC9256P]

Q112

Q203

9.4V Reg
Q802

PWR 14V

Q808,Q809

4.7V ZD102

CD MECHA

TN-2001-005

D-RAM IC

[A43L2604V]

DSP IC

[LC78647NT]

BTL DRIVER

IC

[BA5810FP]

E/Vol IC

[PT2312L]

POWER IC
[TDA8571]

AF Amp

[Q601,Q602]

CDC

u-COM

IC401

[LC875700A]

B/UP

ACC

Q806

SPK

LINE OUTD601

5V Reg

LED Flash

RESET

DIODE MATRIX

LCD DRIVER IC

IC901

[PT6523]

KEY IN1/2

LCD

Back Light

[LD901~925]

3.3V Reg

7.5V Reg

Q501