IC2ROM IC
IC3SRAM IC
IC4Flash ROM ICFor Display customize
IC5Logic ICFor Write and Read to IC3
IC63.3V regulatorThe power supply for 3.3V
IC7Buffer ICIt is change into 3.3V from 5V
IC8Buffer ICIt is change into 5V from 3.3V
IC9Remote control IC
IC10Spectrum analyzer IC
IC11Panel µ-com
Q13.3V regulatorWhile PAN 5V is applied, 3.3V regulator outputs +3.3V.
Q2, 3FL+B SWFL+B (VDD2) is turned on when Q3’s base level goes “H”
Q4FL3.3V SWFL+3.3V (VDD1) is turned on when Q4’s base level goes “H”
Q53.3V SWSW3.3V is turned on when Q5’s base level goes “H”
Q6, 10REMO ON SWThe power supply of IC9, 10 is turned on when Q10’s base level goes “L”
Q7FL BLK SWVFD is turned on when Q7’s base level goes “H”
Q8Blue LED SWBlue LED is turned on when Q8’s base level goes “H”
Q1DSI (Disabled System Indicator)DSI blinks when the base goes “H/L”
Q2KEY illumination SW (GREEN)ON (KEY illumination green) when the base goes “H”
Q3KEY illumination SW (RED)ON (KEY illumination red) when the base goes “H”
Q23, 24P-ANT SWWhen Q23’base goes Hi, P-ANT SW outputs 14V.
Q25Ex amp control buffer
Q26Small lamp det SWWhen Q26’base goes Hi, Q26 is turned on.
Q27BU detWhen Q27’base gose Hi, Q27 is turned on.
Q29ACC detWhen Q29’base gose Hi, Q29 is turned on.
Q30, 31Mute driverWhen a base gose Lo, mute driver is turned on.
Q201Noise buffer
Q202E-vol mute SWWhen a base gose Hi, mute SW is turned on.
Q203~208Pre-out mute SWWhen a base gose Hi, Pre-out is muted.
Q210AGC for SA
Q303, 304AM+B SWWhen Q303’base gose Hi, AM+B is out.
Q305Composite signal buffer for RDS
Q501E2P 5V SWWhen Q501’base gose Lo, E2P 5V is out.
Q502, 503PANEL 5V SWWhen Q503’base gose Hi, PANEL 5V is out.
Q603SW for IC20When Q603’base gose Hi, Q603 is turned on.
Q20 and 22 works as a differential amplifier, Q21 works as a driver and +9.4V is supplied
to OP amp for Pre-out.
IC12WMA chip schmitt trigger
IC13Data buffer DRAM
Q1A.8V SWWhen Q3 is on, Q1 is turned on.
Q23.3V regulator SWWhen PON is on, Q2 is turned on.
Q3A.8V SWWhen PON is on, Q3 is turned on.
Q4APC (Auto Power Control)
Q5D.5V SWWhen PON is Lo, Q5 is turned on.
D1Pick-up laser diode protection
D2Dropped out diode
CD signal processor LSI
+ RF amplifier + MP3 decoder
6
KDC-9023R
/PSW9524/X969
MICROCOMPUTER’S TERMINAL DESCRIPTION
● SYSTEM MICROCOMPUTER : 703033BGC020 (X25-964 : IC1)
Pin No.
1PLL_DATAI/O TunerData output/input with F/E.
2AM+BI/O
3(FM+B)O
4
5
6EVDD7EVSS-
8AFSOTunerNoise detection time constant switching.
9BEEPOAudioBeep output.
10REMOIExtra
11P_MUTEOAudioPower IC MUTE output.Power OFF : L, All OFF : L, TEL mute : L
12(SVR)OAudioPower IC SVR discharge circuit control.
13IC2_SDAI/O AudioIC2, IC5 data line.
14IC2_CLKI/O AudioIC2, IC5 clock line.
15P_STBYOAudioPower IC STBY output.
16P_CONI/O ExtraPower control.
17WOW_MODE2OAudioWOW control.q
18TEST-Connect to GND.
19DIAGIExtra
20MUTEOAudioMute output.ON : OPEN, OFF : L
21PRE_MUTEROAudioPREOUT (R ch) mute.
22PRE_MUTELOAudioPREOUT (L ch) mute.
23BU_DETIExtraMomentary power dropped detection.
24ACC_DETIExtraACC detection.With ACC : L, Without ACC : H
25FOCUSI/O AudioWOW focus control.Focus HI : H, Focus LOW : Hi-Z
26
27DIMMERIExtraSmall lamp detection.ON : L, OFF : H
Pin NameI/O ModulePurpose / Description
V_ILL PAN_E2P DATA
V_ILL PAN_E2P CLK
EXT_AMP_CONT
Power supply
Power supply
I/O To panel
I/O To panel
CDCD mechanism data line.
ExtraROM correction data line.
CDCD mechanism clock line.
ExtraROM correction clock line.
OExtraExternal amplifier control.Refer to external amplifier control.
FM operation : H,
Last FM : H (With RDS, RBDS model)
FM seek, AF search : L, Receiving : H,
Auto 0 : L
Power OFF momentary power dropped
: H (5 second) and then L
Power IC ON : H, Power IC OFF : L, All OFF : H
Power ON : H, Power OFF : Hi-Z, All OFF : Hi-Z
Usually : H, Unusually : L
M MUTE L is L : L (CD), Momentary power
dropped : L, 2 zone, NAVI interrupt : Fixed H
M MUTE R is L : L (CD), Momentary power
dropped : L, 2 zone, NAVI interrupt : Fixed H
Backup : L,
No backup, momentary power dropped : H
7
KDC-9023R
/PSW9524/X969
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No.
28
29P_ONI/O
30ILL_ONI/O
31RESET32XT1-Sub clock.32.768kHz
33XT2-Sub clock.32.768kHz
34REGC-Connect to 1µF capacitor.
35X2-Main clock.20MHz
36X1-Main clock.20MHz
37VSS38VDD39CLKOUT40LX_REQ_MOLXCommunication request to external slave.Request : L
41LX_MUTEILXMute request from external slave.Mute ON : H
42LX_CONOLXExternal slave select.ON : H, OFF : L
43LX_RSTOLXReset output to external slave µ-com
44CD_MECHA+BO
45TYPE0IExtraDestination select.w
46TYPE1IExtraDestination select.w
47IC2_TYPE0IExtraIC2 destination.w
48IC2_TYPE1IExtraIC2 destination.w
49PAN5VI/O
50E2P5VI/O
51DSII/O T o panel DSI control.ON : L, OFF : Hi-Z
52MC_REQOTo panelCommunication request to panel µ-com.
53PAN_RSTOTo panel Reset output to panel µ-com.
54WOW_MODE3OAudioWOW control.q
55BVDD56BVSS57SC_CONOTo panel Panel µ-com control.Power OFF, ACC OFF : L
58M_RSTOCDReset output to CD mechanism.
59M_STOPOCDStop request to CD mechanism.Stop : L, CD : H
Pin NameI/O ModulePurpose / Description
ANT_CONOExtraAntenna control.w
TYPE2IExtraDestination select.w
Power supply
Power supply
Power supply
Power supply
Power supply
SW 14V, SW 5V control, AD reference
voltage control output.
FL, illumination output.ON : H, OFF : Hi-Z
CD 4.7V output.ON : Fast 50ms than M_STOP,
Panel 5V control.ON : H, Momentary power dropped : Hi-Z
E2PROM, DA converter power supply control.ON : L, OFF : Hi-Z
Truth table
Processing Operation
Tuner ON : H, Other source With RDS last FM
: H, Other source with RDBS TI ON last FM : H
K,J type (With ANT_CON model) : L,
E type (Without ANT_CON model) : H
Power ON : H, Power OFF : Hi-Z
Normally : L, After system reset : H (400ms
or more) and then L
CD source : H, Except CD source : L,
OFF : Slow 50ms than M_STOP
Normally : H,
Reset, momentary power dropped : L
Normally : H, Reset : L (Per mechanism control)
8
KDC-9023R
/PSW9524/X969
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No.
60CD_SW3ICDDC down switch detection.Chucking : H
61LO/EJI/O CDCD mechanism loading/eject switch.Stop, brake : Hi-Z, Loading : L, Eject : H
62MOSWOCDCD mechanism motor driver switch.Loading, eject, brake : H
63FPM MOTOR B OP-mecha FPM mechanism (Slider) control.e
64FPM MOTOR F OP-mecha FPM mechanism (Slider) control.e
65FPM MOTOR O OP-mecha FPM mechanism (Angle) control.e
66FPM MOTOR C OP-mecha FPM mechanism (Angle) control.e
67
68
69
70M_MUTERICDMute request form CD mechanism. (R ch).ON : L (CD)
71AVDD72AVSS73AVREF-Connect to P_ON (29 pin).
74M_MUTELICDMute request form CD mechanism. (L ch).ON : L (CD)
75PAN_DETITo panel Panel E2PROM detection.With : L, Without : H
76
77FPM SW4IP-mecha
78FPM SW1IP-mecha FPM mechanism position detection.e
79FPM SW2IP-mecha FPM mechanism position detection.e
80FPM SW3IP-mecha FPM mechanism position detection.e
81FPM PHOUTIP-mecha FPM mechanism position detection.eH : 2.2V or more
82S_METERITunerS-meter detection.Refer to S03 F/E control.
83NOISEITunerFM noise detection.Refer to S03 F/E control.
84IFC_OUTITunerF/E IFC OUT input.
85
86NCONCOutput : L
87R_CLKITunerRDS decoder clock input.
88LX_REQ_SILXReceive request from external slave.Request : L
89SC_REQITo panel Communication request from panel µ-com
90CD_SW1ICDLoading switch detection.Loading start power off : L
91CD_SW2ICD12cm disc detection switch.12cm disc power off : L
92R_QUALITunerRDS decoder QUAL input.
Pin NameI/O ModulePurpose / Description
O_DATAI/O ExtraExternal display data input/output.External display
NCONC (Without external display model)Output : L
O_CLKI/O ExtraExternal display clock input/output.External display
NCONC (Without external display model)Output : L
O_CEI/O ExtraExternal display chip enable input/output.External display
NCONC (Without external display model)Output : L
PHONEIExtraPHONE detection.NAVI mute : 2.5V or more,
NCINC (Without TEL-MUTE model)Connect to GND.
FPM mechanism position detection,
mechanism detection.1.25V or more : H, Less than 1.25V : L
NC (POWER_DET)
IExtraPower IC DC offset detection.03 model not used. Connect to GND.
Truth table
e
Processing Operation
TEL mute : 1V or less,
J type 1V or less, 2.5V or more : NAVI mute
3.75V or more : No mechanism,
With station : 2.5V or more, refer to S03 F/E control.
9
KDC-9023R
/PSW9524/X969
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No.
93R_DATAITunerRDS decoder data input.
94LX_DATA_SILXData input from external slave.
95LX_DATA_MOLXData output to external slave.
96LX_CLKI/O LXClock input/output with external slave.
97PAN_RXITo panel Data input from panel µ-com
98PAN_TXOT o panel Data output to panel µ-com
99WOW_MODE1OAudioWOW control.q
100PLL_CLKI/O TunerClock input/output with F/E.
Pin NameI/O ModulePurpose / Description
Truth table
q WOW MODE changover operation
MODEWOW_MODE1WOW_MODE2WOW_MODE3FOCUS
BYPASSLLLDon’t care
TruBassLHLDon’t care
3D-STEREOLLHDon’t care
FOCUS LOWHLLL (Hi-z)
FOCUS HIHLLH
WOW LOWHHHL (Hi-z)
WOW HIHHHH
1~7D14~D8I/O External ROM data.
83.3V VDD-PAN 3.3V
9VSS-Vss
10~17D7~D0I/O External ROM data.
18MODE2IUse for µ-com rewriting.Connect to GND
19OPEN KEYIOPEN keyH : OFF, L : ON
20SRC KEYISOURCE keyH : OFF, L : ON
21SC CONIPanel µ-com control.
22NCOOutput : L
23FL LATCHOLatch output to FL driver.
24FL GCPOBright control.
25, 26NCOOutput : L
273.3V VDD-PAN 3.3V
28VSS-Vss
29~33KR1~KR5IKey return.
34VOL AIVOL input.
35VOL BIVOL input.
36NCOOutput : L
373.3V VDD-PAN 3.3V
38VSS-Vss
39~42KS1~KS4I/O Key scan.Key scan (Hi-Z/L)
43FL BLKO
44, 45NCOOutput : L
46NCIConnect to GND
473.3V VDD-PAN 3.3V
48VSS-Vss
49FCSOFlash ROM chip enable.L : Data communication
50MC REQISystem µ-com request input.
51SC REQO
52SYS TXIData input from system µ-com.
53SYS RXOData output to system µ-com.Communication speed : 1.25Mbps
54FCLKOClock output to flash ROM.Communication speed : 3.125MHz
55FDATAINIData input from flash ROM.
56FDATAOUTOData output to flash ROM.
57MODE1Iµ-com operation mode setting.
58MODE0Iµ-com operation mode setting.
Display switching signal output to FL driver.
Communication request to system µ-com.
H : While operation (Reset, low current consumption mode :
System µ-com output “L”)
H : Display ON, L : Display OFF (Digital transistor is inserted)
H : Request (Reset, low current consumption mode
: System µ-com output “L”)
H : Request
(Reset, low current consumption mode : System µ-com output “L”)
59PAN RST60CKSEL-Clock generator operation mode.Connect to GND
613.3V VDD-PAN 3.3V
62X2-Main clock5MHz
63X1-main clock5MHz
64VSS-Vss
65FL CLKOClock output to FL driver.Communication speed : 3.125MHz
66NCOOutput : L
67FL DATA2OData output to FL driver.
68CLK INIClock input from FL driver.
69NCOOutput : L (Write : SI)
70FL DATA1OData output to FL driver.(Write : SO)
71AVREF-AVREF
72VSS-Vss
73NCIConnent to GND
74WAVE INIAudio input.
75F06IBPF (10kHz)
76F05IBPF (3.3kHz)
77F04IBPF (1kHz)
78F03IBPF (330Hz)
79F02IBPF (150Hz)
80F01IBPF (63Hz)
813.3V VDD-PAN 3.3V
82VSS-Vss
83VREF CONOVREF control.Connect to AVREF
84SA RSTOSpectrum analyzer IC reset.
85REMO ONI/O Remote control IC power ON/OFF.
86NCOOutput : L
873.3V SWI/O 3.3V ON/OFF.
88FL3.3V SWI/O FL3.3V ON/OFF.
89FL+B SWI/O FL+B ON/OFF.
90BLUE LEDOBlue LED ON/OFF.H : ON, L : OFF
91~94NCOOutput : L
95OE/RDI/O SRAM, ROM output enable.L : Data communication, Hi-Z : Standby
96WE/WRI/O SRAM Write/Read.L : Data writing, Hi-Z : Standby
97UWE/LWRI/O SRAM Write/Read.L : Data writing, Hi-Z : Standby
983.3V VDDPAN 3.3V
99VSSVss
Connect to 65 pin (Write : CLK).
Reset, low current consumption mode : FL CLK output “L”
A/D input is not over maximum voltage by 33kΩ resistor pull-down.
A/D input is not over maximum voltage by 47kΩ resistor pull-down.
A/D input is not over maximum voltage by 47kΩ resistor pull-down.
A/D input is not over maximum voltage by 47kΩ resistor pull-down.
A/D input is not over maximum voltage by 47kΩ resistor pull-down.
A/D input is not over maximum voltage by 47kΩ resistor pull-down.
A/D input is not over maximum voltage by 47kΩ resistor pull-down.
H : Reset, L : Normally (Spectrum analyzer IC’RST : 1.8V or more)
H : ON, Hi-Z : OFF (Time constant check, Normal temperature : 500µs)
H : ON, Hi-Z : OFF (Time constant check, Normal temperature : 250µs)
H : ON, Hi-Z : OFF (Time constant check, Normal temperature : 500µs)
H : ON, Hi-Z : OFF (Time constant check, Normal temperature : 35µs)