LG CM9730 Service Manual

CIRCUIT VOLTAGE CHART
1. ICs
3-81 3-82
IC Sym IC Name / Type Vcc/Vdd
IC101
MICOM
LC87F5NC8A(SANYO)
Spec:
TYPE: 100P
VDD: +2.8 ~ +5.5V
VENDER: SANYO
Measured Vol.:
VDD: 14, 40, 55, 89 VDD: +3.39V
IC102, IC103
Voltage Decetor
AZ7027RTRE1
Spec:
TYPE : 3P VDD : Max 18V
VENDER : BCD
Measured Vol.:
Vcc:1, Vout:3 VDD : +3.53V
IC104
LDO
AZ1117BH-ADJ
Spec:
TYPE : 3P Vin : Max 12V
VENDOR:BCD Vout : Max 10V
Vin:3, Vout:2,4
Measured Vol.:
Vin : 5.65V
Vout : 3.68V
IC406
Motor Driver
S8082
Spec:
TYPE: 8P
PVCC,SVCC:
4.3 ~ +13.2V
VENDER: AUK
Measured Vol.:
PVCC, SVCC:6, 7
PVCC,SVCC:
5.1V
IC407
RF IC
BU9543KV
Spec:
TYPE: 64P
DVDD:
+2.7 ~ +3.6V
VENDER: ROHM
VDD_CORE:
1.75~ 1.95V
Measured Vol.:
DVDD, AVDD:
1,17,33,47,53,59
DVDD, AVDD :
3.29V
VDD_CORE: 26,37 VDD_CORE:1.85V
IC501
DSP
MLC3700A
Spec:
TYPE:176P
VDD33, UVD-
DA33,
VENDER:MCS
LOGIC
PXI_
VDD33,ADCVDD33:+3.135
~ +3.465V
VDD33, UVDDA33,
VDD12:
+1.14 ~ +1.26V
PXI_
VDD33,ADCVDD33
Measured Vol.:
:1,14,20,22,26,36,50
,87,99,117,141,167
VDD33,UVDDA33,PXI_
VDD33,ADCVDD33:3.30V
VDD12 VDD12:1.20V
:8,24,65,89,151,161
IC504
USB HUB
USB2512B
Spec:
TYPE: 36P VDD: 3.0V ~ 3.6V
VENDER:SMSC
Measured Vol.:
VDD33:5,10,15,23,29,36
VDD: +3.29V
IC Sym IC Name / Type Vcc/Vdd
IC601
LDO
LM37102D
Spec:
TYPE:8P
VIN:
+2.25 ~ +16V
VENDER:TAJIN
VOUT:+1.25 ~
+15V
VIN:2, VOUT:3
Measured Vol.:
VIN:3.68V
VOUT:3.27V
IC602
PWM
PS9854
Spec:
TYPE:68P
VDD_IO:
2.97 ~ 3.63V
VENDER:PULSUS
VDD_IN1,2:
2.2~ 3.3V
VDD_IO:
VDD_OUT,VDD_
Core
16,25,30,33,37,42,51
1.08~1.32V
VDD_IN1,2:64,67
Measured Vol.:
VDD_OUT1,2, VDD_IO:3.27V
VDD_
Core:1,63,60,45,22
VDD_IN1,2: 3.27V
VDD_OUT,VDD_
Core:1.25V
IC603
ADC
AK5358
Spec:
TYPE:16P VA:4.5 ~ 5.5V
VENDER:AKM VD:2.7~ 3.6V
VA6
Measured Vol.:
VD:7 VA:5.21V
VD:3.28V
IC605
Pre amplifi er
S4308
Spec:
TYPE: 6P VCC: +5 ~ +14V
VENDER: AUK
Measured Vol.:
VCC:6 VCC: 11.45V
PIN NO. SPEC. VOLTAGE
IC100 (EEPROM)
8 3.3VA 3.471
IC101 (uCom)
14
3.3VA
3.447
40 3.475
55 3.476
89 3.476
IC102 (Voltage Detector)
1 3.3VA 3.471
IC103 (Voltage Detector)
1 3.3VA 3.471
IC104(LDO)
2 3.7VA 3.73
3,4 5.6V 5.67
IC202 (ADC)
5
3.3V 3.336
46
14 5V 5.14
IC204 (LDO)
2 5.6VA 5.59
3 5V 5.04
IC3U01 (LDO)
2 5.6VA 5.63
3 5V 5.12
IC407 (RF AMP)
1
3.3V 3.28
17
33
47
53
58
26
1.8V 1.81
37
IC408 (MOTOR DRIVE)
8
5V 5.04
19
5 1.8V 1.82
IC501 (DSP IC)
1
3.3V 3.28
14
22
26
36
50
87
99
117
141
167
PIN NO. SPEC. VOLTAGE
8
1.2V 1.187
24
65
89
151
161
IC502 (SDRAM)
1
3.3V 3.28
3
9
14
27
43
49
IC504 (USB HUB)
10
3.3V 3.25
15
23
29
36
IC505(LDO)
2 5.6VA
5.66 -> DI-
ODE -> 4.81
4 3.3V 3.32
IC506 (PRE AMP)
6 12V 11.4
IC508 (MIC ADC)
6 5V 0.03
7 3.3V 3.3
IC509 (LDO)
2 1.2V 1.197
3 3.3V 3.286
IC510 (Serial Flash_32Mb)
8 3.3V 3.25
IC600 (PWM IC)
16
3.3V 3.329
25
30
33
37
42
51
IC601 (OP AMP)
4 -5V -5
8 +5V 5
IC602 (OP AMP)
4 -5V -5
8 +5V 5
IC603 (OP AMP)
4 -5V -5
8 +5V 5
IC604 (OP AMP)
4 -5V -5
8 +5V 5
PIN NO. SPEC. VOLTAGE
IC605 (LDO)
2 3.7VA 3.71
3 3.3V 3.33
IC700 (AMP IC)
1 +5V 5.15
6 -5V -4.9
10 -B_L
-39.7
12 -B_L
15 +B_L 39.6
IC701 (AMP IC)
1 +5V 5.15
6 -5V -4.9
10 -B_L
-39.7
12 -B_L
15 +B_L 39.6
IC702 (AMP IC)
1 +5V 5.15
6 -5V -4.9
10 -B_L
-39.7
12 -B_L
15 +B_L 39.6
IC703 (AMP IC)
1 +5V 5.15
6 -5V -4.9
10 -B_L
-39.7
12 -B_L
15 +B_L 39.6
IC704 (AMP IC)
1 +5V 5.15
6 -5V -4.9
10 -B_L
-39.7
12 -B_L
15 +B_L 39.6
IC705 (AMP IC)
1 +5V 5.15
6 -5V -4.9
10 -B_L
-39.7
12 -B_L
15 +B_L 39.6
IC706 (AMP IC)
1 +5V 5.15
6 -5V -4.9
10 -B_L
-39.7
12 -B_L
15 +B_L 39.6
IC707 (LDO)
2 5.6VA 5.67
3 5V 5.19
IC708 (AMP IC)
1 +5V 5.15
6 -5V -4.9
10 -B_L
-39.7
12 -B_L
15 +B_L 39.6

LG CM9730 Specifications

General

Type	-
Cassette deck	No
Product color	Black
Disc loading type	Tray
Optical disc player	Yes
Impedance	75 Ω
RMS rated power	2300 W
Number of speakers	2
Power source	AC
Input voltage	220-230 V
Input frequency	50 - 60 Hz
Power consumption (standby)	1 W
Power consumption (typical)	180 W
Playback disc formats	CD audio
Audio formats supported	MP3, WMA
FM band range	87.5 - 108 MHz
Supported radio bands	AM, FM, MW
Preset stations quantity	50
Display type	LCD
Speaker depth	500 mm
Speaker width	520 mm
Speaker height	720 mm
Apple docking compatibility	Not supported
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.

Weight and Dimensions

Main unit dimensions (WxDxH)	542 x 421 x 310 mm