Daewoo AGC-4208 Series User manual

DAEWOO CAR STEREO SERVICE GUIDE
CD/CDC
DABBAND
AGC-4208
S
D
D
A
B
Service Guide
Service Guide
CAR AUDIO
AGC 4208 : USB / SD / MP3 / CD Player with Radio
AGC-4208 Series
AGC-4208RD
AGC-4206H

1. PRODUCT SPECIFICATION 1
2. APPEARANCE & CONNECTION 2
3. FRONT PANNEL INFOMATION 5
4. ELECTRICAL SPECIFICATION 7
5 TROUBLE SHOOTING GUIDE 11
6. FUNCTION OF MICOM IC 12
7. IC BLOCK DIAGRAM 16
8. PARTS LOCATION ON P.C.BOARD 25
9. BLOCK & SCHEMATIC DIAGRAM 31
10. ELECTRICAL PARTS LIST 37
11. OVERALL EXPLODED VIEW 45
Contents

1
1. PRODUCT SPECIFICATION
SPECIFICATION
AUDIO SECTION
Maximum output power : 25 Watts Per Each Channel into 4 Ohms
Total Harmonic distortion : Less Than 10% at 20 Watts
Frequency Response : 100Hz( 3dB), 10kHz( 3dB)
Control Bass / Treble : 10 3dB at 100Hz / 10kHz
RADIO SECTION
FM Section Tuning Range : 87.5 ~ 108MHz(50kHz Step)
Usable Sensitivity(Mono) : 12dBuV(75Ohms)
Signal To Noise Ratio : More Than 50dB (at 60dBuV)
Total Harmonic Distortion : Less Than 0.5%
MW Section Tuning Range : 522kHz to 1620kHz at Europe
Usable Sensitivity(Mono) : 30dBuV(75Ohms)
Signal To Noise Ratio : More Than 45dB (at 60dBuV)
Total Harmonic Distortion : Less Than 1.0%
CD/ CD MP3/ USB MEMORY/ SD CARD SECTION
Disc : Compact Disc(12cm Std. Disc)
Rotation RPM : 1.2m/s~1.4m/s(200~500rpm) Usable
Frequency Response : 20Hz~20kHz
S/N Ratio : 60dB
Total Harmonic Distortion : Less Than 0.1%
Channel Separation : 60dB
DAB SECTION
Tuning Range : 174~240 MHz(Band 3)
: 1452~1492MHz(L Band)
Usable Sensitivity(Mono) : Less than -90dBm
Frequency Response : 20Hz~20kHz
S/N Ratio : More than 60dB
Total Harmonic Distortion : Less Than 0.1%
GENERAL
Power Requirement : DC 12,.0V / Rated : 14.4V
: (Usable : 10.8~15.6V)
: Negative Ground
Speaker Impedance : 4~8 ohms(4 Speakers)
Current Consumption : 7.5A Maximum
Fuse Ratings : Constant(Yellow wire) 10A
Dimension(W °ø H °ø D) : 178 x 50 x 156 mm
Chassis Size : 195 x 64 x 14.6 mm
Weight(Net) : 1.75 Kg

2. APPEARANCE & CONNECTION
2
AGC-4208RD
CD/CDC
DABBAND
AGC-4208
S
D
D
A
B
FRONT PANEL
ESC.
SD Card / USB Memory Playable
MP3 / CD / CD-R / RW Playable
Face Full Detachable for Anti-Theft
4-Channel High Power Output (50W 4Ch)
Encoding Volume Control
Electronic Bass / Treble / Balance / Fader Control
30 Station Memory Capability (18FM + 12AM)
Seek / Auto Memory
Mute / Tel. Mute / RDS Function
Aux-In
CD/CDC
DABBAND
AGC-4208
S
D
D
A
B
MP3 Playback Mode
Selection Control, ALL/DIR
Display Mode Selection of the rear Display
Speaker Position
Control
Scroll On/Off Control
Face Full
Detachable

3
AGC-4206H
CD
AMFM
AGC-4208
LOUD
FRONT PANEL
ESC.
MP3 / CD / CD-R / RW Playable
Face Full Detachable for Anti-Theft
4-Channel High Power Output (50W 4Ch)
Encoding Volume Control
Electronic Bass / Treble / Balance / Fader Control
30 Station Memory Capability (18FM + 12AM)
Seek / Auto Memory
Mute / Tel. Mute / Loudness Control
Aux-In
CD
AMFM
AGC-4208
LOUD
MP3 Playback Mode
Selection Control, ALL/DIR
Display Mode Selection of the rear Display
Speaker Position
Control
Scroll On/Off Control
Face Full
Detachable
Appearance

4
CONNECTION
Connection
A
B
C
1
2
7
8
1
2
7
8
1
2
3
13
7
814
4
5
19
20
ي
ي
A
B
C
1
2
7
8
1
2
7
8
1
2
3
13
7
8
14
4
5
19
20
A-Part : POWER
1. T.MUTE : BROWN
4. Back-up +12V : YELLOW
5. +12V (Automatic antenna)
: BLUE
6. Dimmer : PINK
7. +12V supply (from ignition Lock)
: RED
8. Ground : BLACK
36 Pin ISO Connector
B-Part : SPEAKER
1. Right Rear (+) : VIOLET
2. Right Rear (
- ):VIOLET/Stripe
3. Right Front (+) : GRAY
4. Right Front (
- ) : GRAY/Stripe
5. Left Front (+) : WHITE
6. Left Front (
- ) : WHITE/Stripe
7. Left Rear (+) : GREEN
8. Left Rear (
- ):GREEN/Stripe
C-Part : Accessory
1. Rear Left
2. Rear Right
3. Audio Ground
4. Front Left
5. Front Right
7. Aux In Left
8. Aux In Right
9. Audio Ground
11. Phone Audio In
12. GND
ISO Connector B
B1: Rear Right+(Violet)
B2: Rear Right-(Violet w/black stripe)
B3: Front Right+(Gray)
B4: Front Right-(Gray w/black stripe)
B5: Front Left+(White)
B6: Front Left-(White w/black stripe)
B7: Rear Left+(Green)
B8: Rear Left-(Green w/black stripe)
ISO Connector A
A1: Brown - Telephone Mute Lead
A4: Yellow - Battery Lead
A5: Blue - Motor Antenna Relay Control Lead
A6: Pink - Illumination Power Lead
A7: Red - Power Lead(ACC or IGN)
A8: Black - Ground Lead
ISO COnnector
ANTENNA
ISO COnnector Cable
Strip Wire

3. FRONT PANEL INFOMATION
5
FRONT PANEL
AGC-4208RD
LCD Panel & Remote Control
Power On/Off
CD Eject
Volume Adjustment
SELECT Menu Control
FM/AM Radio Selection
DAB Selection
CD/CDC
DABBAND
AGC-4208
S
D
D
A
B
CD/CDC Mode Selection
Preset Memory (#1 ~ #6)
Other Additional Function of
MP3 / CD, Menu
Display Mode Selection
AUX / USB / SD Mode Selection
Audio Mute Control
Front Panel Open
ID3 Tag Display of the CD mode
RDS Menu Control
Phone Mode Selection
General Menu Control
Sound Menu Adjustment
Tune Up, Next Track and Next File Button (>)
Tune Down, Previous Track and Previous File (<)
Radio Frequency Scan /PTY Search
Preset Memory Scan and Auto-store Function
Power On/Off
1
POWER
0
987
654
32
CD
DISP
SOUND
BAND
AUX
INFO
ENTER
P/B MUTE
TOP INT RPT
RDM D- D+
SUB.TITLE P.MODE ANGLE
OPEN S.MODE MENU
TITLE
SRC
DAR
CHANGER
SELECT
CD Mode
Selection
Display Mode
Selection
Volume
Adjustment
(Left/Right)
Preset Memory
Scan
Preset Memory
(#1 ~ #6)
Front Panel
Open
Sound Menu Adjustment
Radio Band Selection
ID3 Tag Display of the CD
mode
Tune Up, Next Track and
Next File Button (Up)
Audio Mute Control
Other Additional Function of
MP3 / CD, Menu
(TOP/INT/RPT/RDM/D-/D+)
General Menu Control
Tune Down, Previous Track
and Previous File (Down)
AUX Mode Selection
1
POWER
0
987
654
32
CD
DISP
SOUND
BAND
AUX
INFO
ENTER
P/B MUTE
TOP INT RPT
RDM D- D+
SUB.TITLE P.MODE ANGLE
OPEN S.MODE MENU
TITLE
SRC
DAR
CHANGER
SELECT
Front LCD Panel
Rear LCD Panel

6
FRONT PANEL
AGC-4206H
LCD Panel & Remote Control
Power On/Off
CD Eject
Volume Adjustment
SELECT Menu Control
FM Radio Selection
AM Radio Selection
CD
AMFM
AGC-4208
LOUD
CD Mode Selection Preset
Memory (#1 ~ #6)
Other Additional Function of
MP3 / CD, Menu
Display Mode Selection
AUX Mode Selection
Audio Mute Control
Front Panel Open
ID3 Tag Display of the CD mode
Loudness Control
Phone Mode Selection
General Menu Control
Sound Menu Adjustment
Tune Up, Next Track and Next File Button (>)
Tune Down, Previous Track and Previous File (<)
Radio Frequency Scan
Preset Memory Scan and Auto-store Function
Power On/Off
1
POWER
0
987
654
32
CD
DISP
SOUND
BAND
AUX
INFO
ENTER
P/B MUTE
TOP INT RPT
RDM D- D+
SUB.TITLE P.MODE ANGLE
OPEN S.MODE MENU
TITLE
SRC
DAR
CHANGER
SELECT
CD Mode
Selection
Display Mode
Selection
Volume
Adjustment
(Left/Right)
Preset Memory
Scan
Preset Memory
(#1 ~ #6)
Front Panel
Open
Sound Menu Adjustment
Radio Band Selection
ID3 Tag Display of the CD
mode
Tune Up, Next Track and
Next File Button (Up)
Audio Mute Control
Other Additional Function of
MP3 / CD, Menu
(TOP/INT/RPT/RDM/D-/D+)
General Menu Control
Tune Down, Previous Track
and Previous File (Down)
AUX Mode Selection
1
POWER
0
987
654
32
CD
DISP
SOUND
BAND
AUX
INFO
ENTER
P/B MUTE
TOP INT RPT
RDM D- D+
SUB.TITLE P.MODE ANGLE
OPEN S.MODE MENU
TITLE
SRC
DAR
CHANGER
SELECT
Front LCD Panel
Rear LCD Panel
Front Panel Information

1 OUTPUT POWER(10%THD) FM 75KHz W 20 15
OUTPUT POWER(VOL MAX) FM 75KHz W 30 22
2 BALANCE CONTROL EFFECT L -> R dB 60 50
R -> L dB 60 50
3 FADER CONTROL EFFECT F -> R dB 60 50
R -> F dB 60 50
4 BASS CONTROL EFFECT at 100Hz dB 10 7 3
at 100Hz dB -10 -13 -7
5 TREBLE CONTROL EFFECT at 10KHz dB 10 7 3
at 10KHz dB -10 -13 -7
6 LOUD EFFECT VOL 23 at 100Hz dB 10 7 3
at 10KHz dB 10 7 3
7 LEVEL BALANCE
FM : 45KHz dev. / 60dBuV dB 0 0
MW : 30% mod. / 74dBuV dB -5 -5 3 dB
CDP : TCD-782, Tr2, 1KHz dB 10 10 3 dB
MP3 : SCD-4419 1KHz dB 10 10 3 dB
SDC : SCD-4419 1KHz dB 10 10 3 dB
USB : SCD-4419 1KHz dB 10 10 3 dB
DAB : 211.648MHz, 0dB/-70dBn dB 10 10 3 dB
AUX : Input 500mV dB 5 5 3 dB
PHONE : nput 500mV dB 10 5 3 dB
8 CHANNEL BALANCE
LEFT FRONT : dB 0 0
RIGHT FRONT : dB 0 0 3 dB
LEFT REAR : dB 0 0 3 dB
RIGHT REAR : dB 0 0 3 dB
7
GENERAL AUDIO SECTION
NO PERFORMANCE POSITION UNIT NOMINAL LIMIT
4. ELECTRICAL SPECIFICATION

1TUNING RANGE MIN KHz 522 522
MAX KHz 1620 1620
2 CHANNEL SPACE KHz KHz 9 9
3 INTERMEDIATE FREQUENCY KHz KHz 450 450
4 USABLE SENSITIVITY 603 KHz dB 25 30
(S/N = 20dB) 999 KHz dB 25 30
1404 KHz dB 25 30
5 IMAGE REJECTION RATIO 1404 KHz dB 50 40
6IF REJECTION RATIO 603 KHz dB 100 50
7AGC Figur of Merit 999 KHz dB 55 40
8SELECTIVITY 999 KHz dB 90 40
9 BAND WIDTH (-6dB) 999 KHz KHz 8 C
10 S/N RATIO 999 KHz dB 50 45
11 T.H.D (74dBu Input) 30% 400Hz 999 KHz % 1.0 3
12 AUDIO FIDELITY(-6dB) 999 KHz LOW 20 100
HIGH 1.5 1.4
13 SEARCH STOP LEVEL 1000 KHz dB 30 20 40
14 LOCAL EFFECT 999 KHz dB 20 10 30
15 TWEET MODULATION (2*IF) 1000 KHz % 1.0 5.0
Electrical Specification
RADIO - AM SECTION
8
NO PERFORMANCE POSITION UNIT NOMINAL LIMIT
DUMMY CONDITION : J.I.S Dummy
* Antenna dummy information
Consider: Er = Ek-6 [dBuV] Vg = S.G. dBuV voltage
All resistor values in ohms. All capacitor values in pico farads.
1
0
60
45Ek
~
RG
=
75
FM ANTENNA DUMMY
AM antenna input
Tuner Under Test
FM antenna in
p
ut
Antenna ground
1
3
2
SIGNAL
GENERATOR
Vg Er
Ek
Er
30
15
65
RG
=
75
SIGNAL
GENERATOR
AM antenna input
Tuner Under Test
FM antenna in
p
ut
Antenna ground
1
3
2
AM ANTENNA DUMMY
~
Vg

1 TUNING RANGE MIN MHz 87.5 87.5
MAX MHz 108.0 108.0
2CHANNEL SPACE ALL KHz 50 50
3 INTERMEDIATE FREQUENCY ALL MHz 10.8
4 USABLE SENSITIVITY 90.1 MHz dB 10 15
(S/N = 30dB) 98.1 MHz dB 10 15
106.1 MHz dB 10 15
5 IF REJECTION RATIO 90.1 MHz dB 70 50
6IMAGE REJECTION RATIO 106.1 MHz dB 50 40
7 LIMITING SENSITIVITY (-3dB) 98.1 MHz dB 15 23
8 AM SUPPRESSION (AM 30%) 98.1 MHz dB 50 30
9 S/N RATIO (MONO) 98.1 MHz dB 55 50
10 T.H.D (MONO) 22.5KHz 98.1 MHz % 0.5 2
11 AUDIO LOW 100 Hz dB 0 -3 3
FIDELITY HIGH 10 KHz dB -6 -8 -2
12 STEREO ON SENSITIVITY 98.1 MHz dB 10 25
13 STEREO SEPARATION 1KHz 98.1 MHz dB 25 20
14 SEARCH STOP LEVEL 98.1 MHz dB 20 10 30
15 LOCAL EFFECT 98.1 MHz dB 20 10 30
16 PI SEEK LEVEL 98.1 MHz dB 30 35
17 AF SEARCH LEVEL 98.1 MHz dB 30 35
18 TA POWER(98.1M,45K,60dBu) 98.1 MHz mV 250 250
19 TP INDICATOR ON LEVEL 98.1 MHz dB 28 35
20 EON SENSITIVITY MHz dB
21 OUTPUT POWER MHz W
22 ALTERNATE CH SENSITIVITY MHz dB
23 NOISE OUTPUT MHz mV
24 HCC EFFECT 10kHZ 30% 98.1 MHz dB 6 4
9
NO PERFORMANCE POSITION UNIT NOMINAL LIMIT
RADIO - FM SECTION
Electrical Specification
DUMMY CONDITION : J.I.S Dummy

1 FREQUENCY RESPONSE TCD-782(MP3), #6 100Hz dB 0 -3 3
(1kHz, 0dB) TCD-782(MP3), #4 10KHz dB 0 -3 3
2S/N RATIO TCD-782(MP3), #2/#8 1KHz dB 65 60
3 T.H.D (1kHz) TCD-782(MP3), #2 TCD 784 % 0.1 0.5
4 CHANNEL SEPERATION TCD-782(MP3), #9,11 1KHz dB 50 45
TCD-782(MP3), #10,12 10KHz dB 50 45
NOMINAL LIMIT
10
CD / USB / SD SECTION
NO PERFORMANCE POSITION UNIT
Electrical Specification
DAB SECTION
1TUNING RANGE BAND 3 MIN MHz 174 174
MAX MHz 240 240
L BAND MIN MHz 1452 1452
MAX MHz 1492 1492
2 SENCITIVITY BER 0.0200 176.640 dBm -95 -90
211.648 dBm -95 -90
237.488 dBm -95 -90
1452.792 dBm -95 -90
1471.792 dBm -95 -90
1490.624 dBm -95 -90
3 FREQUENCY RESPONSE BAND 3 10KHz dB 0 -3 3
(Ref. 1kHz) 100Hz dB 0 -3 3
L BAND 10KHz dB 0 -3 3
100Hz dB 0 -3 3
4 S/N RATIO (MONO) 211.678 dB 70 65
1471.792 dB 70 65
5 T.H.D. RATIO (MONO) 211.678 % 0.1 0.5
1471.792 % 0.1 0.5
6 CHANNEL SEPERATION 211.678 dB 45 40
1471.792 dB 45 40
NOMINAL LIMITNO PERFORMANCE POSITION UNIT

5. TROUBLE SHOOTING GUIDE
11
AGC-4208RD & AGC-4206H
No sound from speaker MAIN CONN check
Power ic output check
Power ic input
B up voltage check
B up voltage check
Put exactly output Connector in
SPEAKER check
Electric volume Output check
Power ic check
POWER ON POWER ON KNOB
Touch check
Check the front Vdd 5V
Check the micom Vdd
and OSC
Change the tact switch
Check the Vdd
Check the micom Vdd 5V
LCD LCD CONN. Touch check
Check the front Vdd 5v
Check LCD data
Change the LCD connector
Front Vdd 5V Regulator check
Check LCD driver IC Vdd
Change the LCD
CDP Check the deck
Connector touch
Deck voltage check
Change the deck
Change the deck connector
Check the deck Voltage
regulator
Check the deck Communication
1. General Funtion
2. Deck Funtion
N.G
O K O K
O K
O K
N.G
N.G
O K
O K
N.G
N.G
N.G
N.G
N.G
N.G
O K
O K
O K
O K
O K
N.G
N.G
N.G

6. FUNCTION OF MICOM IC
IC (UPD70F03033B) : Micro Controller Unit Function
12
AGC-4208RD & AGC-4206H

50. EVR_MUTE
49. N.C
48. EVR_SCL
47. EVR_SDA
46. EVR_RST
45. N.C
44. NC
43. DAC_MUTE
42. AMUTE
41. STBY
40. POWER
39. CLKOUT
38. VDD
37. VSS
36. X1
35. X2
34. REGC
33. XT2
32. XT1
31. RESET
30. N.C
29. MTR_RVS
28. MTR_FWD
27. N.C
26. F_EJT
25. F_CLS 24. F_OPN 23. N.C 22. PANEL 21. N.C 20. ENC_CCW 19. ENC_CW 18. IC/VPP 17. TEL_IN 16. ILL_OUT 15. LCD_CE 14. LCD_CLK 13. LCD_DI 12. LCD_DO 11. ILL_REAR 10. N.C 9. DOT_SRQ 8. N.C 7. EVSS 6. DVDD
5. DAB_CLK. 4. DAB_DO 3. DAB_DI 2. DOT_CLK 1. DOT_DO
SO/ST
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
N.C
ILL_IN
POWER_DOWN
ACC_IN
IR_RMC
CDC_DATA1
CD_IN
CDP_REQ
CDP_DI
CDP_DO
CDP_CLK
SD_RX
SD_TX
N.C
DOT_IN
N.C
MUX_SEL
N.C
DAB_ON
BVDD
BVSS
MEM_SDA
MEM_SCL
CDP_RST
SD_RST
N.C N.C N.C N.C N.C
TUN_SCL
TUN_SDA
RADIO_ON
CDC_DATA2
CDC_ON
AVDD
AV S S
AVREF
TUN_SM
TUN_ST
UPD70F03033B
76.
77.
78.
79.
80.
81.
82.
83.
84.
85.
86.
87.
88.
89.
90.
91.
92.
93.
94.
95.
96.
97.
98.
99.
100.
51. 52. 53. 54. 55. 56. 57. 58. 59. 60. 61. 62. 63. 64. 65. 66. 67. 68. 69. 70. 71. 72. 73. 74.
75.
13
Function of Micom IC of UPD70F03033B

14
Function of Micom IC of UPD70F03033B
Pin #
Active
Pin Name I/O Description
1 DOT_DO O - Rear LCD Control Data
2 DOT_CLK O - Rear LCD Control & Message Data Clock
3 DAB_DI I - DAB Message Input
4 DAB_DO O - DAB Control Data
5 DAB_CLK O - DAB Control Clock
6 EVDD - - Power +5V
7 EVSS - - Power Ground
8 N.C - - -
9 DOT_SRQ O - Rear Display Send/Receive Control
10 N.C - - -
11 ILL_REAR I H Rear LCD Backlight Illumination Control
12 LCD_DO O - Front LCD Driver Control Data
13 LCD_DI I - Front LCD Driver Message
14 LCD_CLK O - Front LCD Driver Control Clock
15 LCD_CE O L Front LCD Driver Chip Enable
16 ILL_OUT O - Front Backlighting Dimming Control(PWM)
17 TEL_IN I L Tel Mute Signal
18 IC/VPP I - MCU Flash Writing Diable/Enable
19 ENC_CW I - Encoder Signal 1
20 ENC_CCW I - Encoder Signal 2
21 N.C - - -
22 PANEL I H Panel Detach Signal
23 N.C - - -
24 F_OPN I L Tilt Open Position Signal
25 F_CLS I L Tilt Close Position Signal
26 F_EJT I L Tilt Eject Position Signal
27 N.C - - -
28 MTR_FWD O H Motor Driver Control Signal 1
29 MTR_RVS O H Motor Driver Control Signal 2
30 N.C - - -
31 RESET I L MCU Reset
32 XT1 I - Crystal Signal Input for the Sleep Mode
33 XT2 I - Crystal Signal Output for the Sleep Mode
34 REGC - - Connect a Capacitor for the Internal Regulator
35 X2 I - Crystal Signal Input for the MCU
36 X1 I - Crystal Signal Output for the MCU
37 VSS - - Power +5V
38 VDD - - Power Ground
39 CLKOUT O - External Clock
40 POWER O H Power On
41 STBY O L Power Amp.(TDA7560) Standby Control
42 AMUTE O L Power Amp.(TDA7560) Mute Control
43 DAC_MUTE O H DAC(UDA1330ATS) Mute Control
44 N.C - - -
45 N.C - - -
46 EVR_RST O L EVR(SAA7709H) Reset
47 EVR_SDA I/O - EVR(SAA7709H) Control Data
48 EVR_SCL O - EVR(SAA7709H) Control Clock
49 N.C - - -
50 EVR_MUTE O H EVR(SAA7709H) Mute Control

15
Function of Micom IC of UPD70F03033B
Pin #
Active
Pin Name I/O Description
51 N.C - - -
52 MUX_SEL O - Multiplex(KIA74HC4053) Control
53 N.C - - -
54 DAB_ON O H DAB Module On
55 BVDD - - Power +5V
56 BVSS - - Power Ground
57 MEM_SDA I/O - Flash Memory(24LC16B) Data
58 MEM_SCL O - Flash memory(24LC16B) Control Clock
59 CDP_RST O L CDP Reset
60 SD_RST O L SD Card Reset
61 N.C - - -
62 N.C - - -
63 N.C - - -
64 N.C - - -
65 N.C - - -
66 TUN_SCL O - Tuner Control Clock
67 TUN_SDA I/O - Tuner Control Data
68 RADIO_ON O H Tuner Power Control
69 CDC_DATA2 O - CDC Control Data
70 CDC_ON O H CDC Enable
71 AVDD - - Power ADC +5V
72 AVSS - - Power ADC Ground
73 AVREF - - Reference Voltage +5V of ADC
74 TUN_SM I - Tuner Signal Meter(AD Port)
75 TUN_ST I L Tuner Stereo Indicator
76 SO/ST I H Tuner Station Detector
77 N.C - - -
78 N.C - - -
79 N.C - - -
80 N.C - - -
81 N.C - - -
82 N.C - - -
83 N.C - - -
84 N.C - - -
85 N.C - - -
86 N.C - - -
87 ILL_IN I H Illumination On Signal
88 POWER_DOWN I L Back-Up Voltage Down Check
89 ACC_IN I H Accessory On Signal
90 IR_RMC I - IR Remote control Data
91 CDC_DATA1 I - CDC Message Data
92 CD_IN I L CD Detection
93 CDP_REQ I L CDP Data Direction Control
94 CDP_DI I - CDP Message Data
95 CDP_DO O - CDP Control Data
96 CDP_CLK O - CDP Clock
97 SD_RX I - SD/USB Data(UART)
98 SD_TX O - SD/USB Data(UART)
99 N.C - - -
100 DOT_IN I - Rear LCD Message Data

7. IC BLOCK DIAGRAM
IC (UDA1330ATS) : IC 370, Stereo Filter DAC
16

IC (BA14741F) : IC300,301,350 4Channel OP Amp.
IC Block Diagram
17