Ic/Tr Voltage & Pin Description - LG LPC-M140A Service Manual

❏ IC/TR VOLTAGE & PIN DESCRIPTION
• TUNER PART
1. TA2111N
PIN NO. SYMBOL DESCRIPTION
1 FM RF IN FM RF IN
2 RF GND GND for FM RF, FM OSC stage
3 AM LOW CUT AM LOW CUT
4 MIX OUT MIX OUT
5 AGC AM AGC
6 VCC Vcc for AM, FM IF, FM MPX stage
7 AM IF IN AM IF IN
8 FM IF IN FM IF IN
9 GND GND for AM, FM IF, FM MPX stage
10 TUN LED Tuning LED
11 ST LEC Stereo LED
12 QUAD FM QUAD Detector
13 R OUT R-ch Output
14 L OUT L-ch Output
15 LPF 1 LPF terminal for synchronous Detector
16 LPF 2 LPF terminal for synchronous Detector
17 MPX IN MPX IN
18 DET OUT DET OUT
19 AFC AFC
20 AM OSC AM OSC
21 FM OSC FM OSC
22 RF VCC Vcc for FM OSC stage
23 FM RF OUT FM RF OUT
24 AM RF IN AM RF IN
• DECK PART.
1. AN7312
PIN NO. SYMBOL DESCRIPTION
1 GND
GND
2 ALC TIME ALC TIME constant
3 ALC INPUT ALC input CH 1
4 OUTPUT Output 1
5 PHASE CH1 Phase compensation of CH 1
6 NF NF of CH 1
7 INPUT Input of CH 1
8 INPUT Input of CH 2
9 NF NF of CH 2
10 PHASE CH2 Phase compensation of CH 2
11 Output 2
OUTPUT
12 ALC INPUT ALC input CH2
13 FIL TER Rippli filter
14 VCC VCC
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
• POWER PART.
1.UTC8227P
VOLT(V) I/O PIN NO.
0.7V I 1
0V 2
0.6V 3
4.1V O 4
0.5V 5
4.3V 6
3.7V I 7
4.3V I 8
0V 9
0V 10
0V 11
3.5V 12
1.2V O
1.2V O
3.6V
• CD PART
3.1V
1. TC94A58FAGP (DSP/MICOM IC)
0.7V I
0.9V 0
PIN NO.
0.5V
4.3V 1
4.6V 2
4.3V 3
4.3V I
4
4.3V I
5
6
7
8
9
10
11
VOLT(V) I/O
12
0V
13
0V
14
0V I
15
1.2V O
16
0V
17
1.2V
18
0V I
19
0V I
20
1.2V
21
0V
22
1.2V O
23
0V
24
1.7V
25
1.8V
26
27
28
2-15 2-16
SYMBOL DESCRIPTION
VCC Vcc 2
OUT Out 1
B.S B.S 1
GND Pre-GND
NF NF 1
IN IN 1
IN IN 2
NF NF 2
RIPPLE RIPPLE
B.S B.S 2
OUT OUT 2
VCC Vcc 1
SYMBOL DESCRIPTION
S 10 I/O port 5/LCD segment output/CD processor function
S 11 I/O port 5/LCD segment output/CD processor function
S 12 I/O port 5/LCD segment output/CD processor function
AD 1 I/O port 6/LCD segment output/CD processor function
AD 2 I/O port 6/LCD segment output/CD processor function
AD 3 I/O port 6/LCD segment output/CD processor function
AD 4 I/O port 6/LCD segment output/CD processor function
MVDD Power supply pins for the controller block
MVSS Power supply pins for the controller block
SCK 1 I/O port 1-0/serial clock input/output 1
SDIO 1 I/O port 1-1/serial data input/output 1
S11 I/O port 1-2/serial data input1/Cdprocessor function
MUTE I/O port 1-3/ buzzer outut
SCK 2 I/O port 7-0/serial clock input/output 2
SDIO 2 I/O port 7-1/serial data input/output 2
INTR I/O port 7-2/interrupt input/serial data input 2
PDO Output pin for a phase error signal between the EFM, PLCK signals
TMAX TMAX detection result output pin
LPFN Inverted input pin for PLL low-pass filter amplifier
LPFO Output pin for PLL low-pass filter amplifier
VCOF VCO filter pin
AVSS Ground pin for analog block
SLCO DAC output pin for generation data slice level
RFI RF signal input pin
AVDD Power supply pin for analog block
VRER Analog reference voltage pin
RFZI RFRP zero-cross signal input pin
RFRP RF ripple signal input pin
VOLT(V) I/O
11.0V
5.7V
10.0V
0V
0.5V
0V
0V
0.5V
6.0V
10.0V
5.8V
11.0V
VOLT(V) I/O
0V
3.2V
0V
0V
0.5V
0.4V
3.2V
3.2V
0V
NC
0V
0V
0V
0V
2.8V
NC
1.6V
0V
1.5V
3.2V
0.9V
0V
1.5V
1.6V
3.2V
1.6V
1.6V
0.7V
LGE Internal Use Only