IC1System µ-COMSystem control
IC3Power Supply ICDC5V x 1, 7.9V x 1, 8.1V x 2, 10.2V x 1, P-CON, P-ANT output
IC7RDS DecoderRDS decoder
IC8Reset IC“L”: detection voltage below 3.6V
IC10E-VOL & TunerE-VOL, Tuner, Stereo decoder
IC11E2PROMSave & Load for tuner adjust data
IC14Power ICSignal amplifier
Q114V SWON when the base goes “Hi”
Q2SERVO+B AVROutput voltage 7.5V
Q3Control SW for SERVO+BON when the base goes “Hi”
Q5FL+B SWON when the base goes “Hi”
Q6FL+B AVROutput voltage 11V
Q7Control SW for FL+BON when the base goes “Hi”
Q8FM+B AVROutput voltage 8.0V
Q9Control SW for FM+BON when the base goes “Hi”
Q51SERGE Det.ON when the base goes “Hi”
Q101ACC Det.ON when the base goes “Hi” during ACC is applied
Q103BU Det.ON when the base goes “Hi” during BU is applied
Q104,105MUTE ControlON when the base goes “Hi”
Q401Panel 5V SWON when the base goes “Lo”
Q501AM RF AmplifierAdjusts for gain
Q502FM RF AmplifierRF amplifier
Q503AFS ControlAFS time controller
Q802BufferIC10 QUAL output buffer
Q901DC OFFSET DetON when the base goes “Q902 and Q903’s output separate”
Q902,903DC OFFSET Det SWON when the base goes “IC14’s SP-OUT (DC) separate”
IC4Mechanism µ-com
IC5BU3.3V regulatorPower supply for backup 3.3V
IC6D3.3V regulatorDigital 3.3V power supply
IC7Audio DAC built-in servo DSPMP3, WMA, and AAC compatible
IC11Buffer ICLevel shift
Q1A3.3V discharge circuit
Q4APC (Auto power control)Adjusts current to be sent to laser
Q5,6SW 5V
Q7,8SW 8V
D1APC (Auto power control)Protects the pick-up laser diode
MICROCOMPUTER’S TERMINAL DESCRIPTION
● SYSTEM µ-com: IC1 (X34-: ELECTRIC UNIT)
Pin No.Pin NameI/OApplication
1PS2 2OPower IC control 2-2qRefer to the truth value table
2PS2 1OPower IC control 2-1qRefer to the truth value table
3PS1 1OPower IC control 1-1qRefer to the truth value table
4PS1 2OPower IC control 1-2qRefer to the truth value table
5PS1 3OPower IC control 1-3qRefer to the truth value table
6REMOIRemote control signal inputDetect pulse width
7NC-Not usedFix to output L
8BYTEIMemory extension bus width settingConnect to VSS
9CNVSS-Connect to VSS. H: Can be changed (Only for FLASH)
10XCIN-32.768kHz
11XCOUT-32.768kHz
12RESET-L: RESET
13XOUT-10.0MHz
14VSS15XIN-10.0MHz
16VCC117NMIIConnect to VCC (pull up)
Truth Value
Table
Processing / Operation / Description
4
KDC-W3534A/W3534G
KDC-W40AY
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No.Pin NameI/OApplication
18CN DETIPanel communication detectionH: Without PANEL, L: With PANEL
19NC-Not usedFix to output L
20KEY REQI
21PON FLOKey illumi power supply controlON: H, OFF: L
22DSII/O DSI controlOFF: Hi-z PANEL detached, Pulse drive ON: H
23PON PANEL I/O Panel 5V control
24~27NC-Not usedFix to output L
28PWIC BEEPOBeep output
29CD SCLI/O CD mechanism I2C clock output
30CD SDAI/O CD mechanism I2C data input/output
31
32
33VFD CLOVFD clock output52kHz
34VFD INHOVFD data blanking output
35AUD SDAI/O IC10 I2C data input/output
36AUD SCLI/O IC10 I2C clock input/output
37CD MUTEICD MUTE requestL: MUTE request
38CD MSTOPOCD mechanism µ-com stop
39
40CD LOEJI/O CD motor controlwRefer to the truth value table
41EPMIFLASH EPM input
42CD MOTOROCD motor controlwRefer to the truth value table
43
44CD MRSTOCD mechanism µ-com RSTH: Normal, L: Reset
45
46VFD CEOVFD control request
47CD LOS SWICD loading detection
48,49NC-Not usedFix to output L
50
51NC-Not usedFix to output L
52
53~56NC-Not usedFix to output L
57RDS AFS LOTUN RDS MUTE output
58TUN ADJI
59TUN SDITUN search stop inputH: Station found, L: Station not found
VFD SYS DATA
VFD PAN DATA
CD LOE LIM SW
CD DISC8 SW
CD DISC12 SW
ROTARY CW
ROTARY CCW
Communication request form VFD driver
OVFD data outputData output
IVFDINT/data inputINT/data input
ICD detection (chucking SW)H: Loading completed, L: Disc not found
ON: L, Momentary power down, when PANEL detached,
11 minutes after ACC OFF: Hi-z
H: Cancel reset, L: RESET, L: Momentary power down,
when PANEL detached, 11 minutes after ACC OFF
H: Mechanism µ-com in operation, L: Mechanism µ-com stopped
L: Can be changed (Only for FLASH). Connect to VSS (pull down)
H: Normal
L: FM/AM SEEK, AF search (L: When Tuner SRC Auto Zero)
5
KDC-W3534A/W3534G
KDC-W40AY
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No.Pin NameI/OApplication
60
61PON FMI/O FM power supply controlH: When FM is active, Hi-z: When FM is not active
62VCC263NC-Not usedFix to output L
64VSS65MUTEI/O MUTEL: MUTE OFF, Hi-z: MUTE ON
66PWIC SVROSVR discharge circuit (Not used)
67PWIC STBYOPower IC stand-by controlPOWER ON: H, POWER OFF: L
68PWIC MUTEOPower IC MUTE
69~74NC-Not usedFix to output L
75RDS CLKI
76TUN TYPE1IDestination setting 1eRefer to the truth value table
77TUN TYPE2IDestination setting 2eRefer to the truth value table
78TYPE1IDestination changerRefer to the truth value table
79TYPE2IDestination changerRefer to the truth value table
80TYPE3IDestination changerRefer to the truth value table
81RDS NOISEIFM noise detection
82
83
84~86NC-Not usedFix to output L
87
88LINE MUTEILine mute detection
89,90NC-Not usedFix to output L
91RDS DATAIRDS decoder DATA input
92RDS QUALIRDS decoder QUAL input
93NC-Not usedFix to output L
94ACC DETIACC power supply detectionL: ACC ON, H: ACC OFF
95BU DETIMomentary power down detection
96AVSS-Connect to VSS
97REF CONOVREF controlConnect to VREF
98VREF-Connect to REF CON
99AVCC-Connect to VCC
100NC-Not usedFix to output L
TUN FANC OUT
TUN SMETER
RDS AFS L 2
PWIC DC DET
OTUNER block (in µ-com) checkOnly when test mode, E2P OK: H, E2P NG: L, Normal: L
RDS decoder CLK input (RDS model only)
IS meter input
TUN RDS MUTE output
O
(Not used in circuit, used in software)
IDC offset detection
Truth Value
Table
Processing / Operation / Description
When momentary power down by POWER OFF,
5 seconds : H, Thereafter: L
While STANDBY source,
Momentary power down: L , While TEL MUTE: L
H: Normal
L: FM/AM SEEK, AF search (L: When Tuner SRC Auto Zero)
* Same process with RDS AFS L
TEL MUTE: 1V or lower, NAVI MUTE: 2.5V or higher
NAVI MUTE: 1V or lower and 2.5V or higher (J-TYPE)
L: BU found, H: BU not found, momentary power down
Activated within 4ms after detection of momentary power down
6
MICROCOMPUTER’S TERMINAL DESCRIPTION
Truth Value T able
q : Power supply IC (IC3) control
SEL1 (Pin No. 11)
PS1-2PS1-3PS2-1ILLUMIP-CONP-ANT
LLLOFFOFFOFF
LLHONOFFOFF
HLHONONOFF
HHHONONON
SEL2 (Pin No. 12)
PS1-1PS2-2AUDIOSW5AM
LLOFFOFFOFF
HLONONOFF
HHONONON
KDC-W3534A/W3534G
KDC-W40AY
w : CD mechanism control operation
CD MOTORCD LOEJ
StopLL
LoadHL
EjectHH
BrakeHHi-z
e : Destination setting
Model
KENWOOD brand model (initial value)LL
OEM model (with CRSC changed)LH
KENWOOD brand model (with CRSC changed)HL
KENWOOD brand model (to support test-driving in EU)
14DAC RSTODAC RESETL : RESET
15EMPHOExternal DAC Emphasis controlL : Emphasis OFF
16,17NC-Not usedLow-fixed
18IC/Vpp-Write voltage (FLASH)H : In writing
19MUTE LOLch audio MUTE controlL : MUTE ON, H : MUTE OFF
20MUTE RORch audio MUTE controlL : MUTE ON, H : MUTE OFF
21TYPEIDAC switchingL : DSP built-in DAC Not used
22TEST O 1OTEST MODE O 1(Not used)
23TEST O 2OTEST MODE O 2(Not used)
24TEST O 3OTEST MODE O 3(Not used)
25TEST O 4OTEST MODE O 4(Not used)
26NC-Not usedLow-fixed
27WAITIWait control signal detection
28~30NC-Not usedLow-fixed
31RESETIReset detectionH : NORMAL, L : RESET
32XT1INot used
33XT2-Not used
34REGC35X236X1I
37Vss-GND electric potential
38VDD-5V electric potential
39NC-NC
40WRLIMultiplex WRITE signal
41,42NC-Not usedLow-fixed
43RDOMultiplex RD signal
44ASTBOMultiplex ASTB signal
45NC-Not usedLow-fixed
46NC-Not usedLow-fixed
47~54AD0~AD7I/O Multiplex address/data
55BVdd-BUS interface power supply
56BVss-BUS interface GND
57~61AB8~AB12I/O Multiplex data/address
62~65NC-Not usedLow-fixed
66CSOChip select controlH : OFF, L : ON
67DSP RESETODSP reset controlH : NORMAL, L : RESET
68~70NC-Not usedLow-fixed
71Avdd72Avss73AvrefIA/D port reference voltage input
74RAMSEL2IWith DRAM/No DRAM switching for different modelsH : With DRAM, L : No DRAM
75RAMSELIWith DRAM/No DRAM switching for different modelsH : With DRAM, L : No DRAM
76RZMI0bit MUTE detectionH : ≥1.7V, L : <1.7V
77LZMI0bit MUTE detectionH : ≥1.7V, L : <1.7V
78AACIAAC compatibility switchingH : AAC non-compatible, L : AAC compatible
79ASELIAudio output polarity switchingH : Reverse output, L : Non-reverse output
80E2P WRIE2PROM write switchingH : E2PROM WRITE, L : NORMAL
81TEST I 0ITEST MODE I 0(Not used)
82TEST I 1ITEST MODE I 1(Not used)
83TEST I 2ITEST MODE I 2(Not used)
84TEST I 3ITEST MODE I 3(Not used)
85,86NC-Not usedLow-fixed
87MSTOPIStandby restart interruptionH : STOP release, L : STOP
88INTSVIInterruption from servo ICH : Interruption
89~92NC-Not usedLow-fixed
93D-MUTEODriver MUTEH : OFF, L : ON
94SYS SDAI/O System µ-com I2C data
95NC-Not usedLow-fixed
96SYS SCLI/O System µ-com I2C clock
97~99NC-Not usedLow-fixed
100E2P SDAI/O ROM correction E2P I2C data
9
KDC-W3534A/W3534G
KDC-W40AY
TEST MODE
● How to enter the test mode
Press and hold the [1] and [3] keys and reset.
● How to clear the test mode
Reset, momentary power down, Acc OFF, Po wer OFF, detach the panel.
● Test mode default condition
• Source is STANDBY.
• Display lights are all turned on.
• The volume is at -10dB (The display is 30).
• LOUD is OFF.
• CRSC is off regardless of the availability of switching function.
• SYSTEM Q (dB equalizer) is NATURAL (=FLAT).
• BEEP should always functions when the key is pressed.
● Specification of test mode for tuner
• TUNER mode [4] key frequency shall be 98.3MHz.
● CD receiver test mode specification
• Display mode default setting shall be P-TIME.
• Jumps to the following tracks by pressing the [
No. 9 → No. 15 → No. 10 → No. 11 → No. 12 → No. 13 →
No. 22 → No. 14 → No. 9 (recursive)
Note that when playing an MP3 / WMA / AAC disc with 8
files or less, the disc is played from the 1st track in the
normal order.
• Pressing the [] key goes back by 1 track from the track
being played.
• While in CD source, press the [1] key to jump to No. 28.
• While in CD source, press the [2] key to jump to No. 14.
• While in CD source, press the [3] key to display the CD
mechanism model name and the version. Press the [3] key
again to go back to the normal screen. (Time code display)
MP3 CD mechanism
6680:0123
Model name
Normal CD mechanism
Version
NORM:CD
• When CD is the source, press the [6] key to jump to No. 15.
At this time, the volume value is set to 25.
10
]key.
● AUDIO adjust mode
• Press the [AUD] k e y and enter the audio adjustment mode.
• Press the remote controller [∗] key and [AUD] k e y to go into
the audio adjustment mode.
• Both AUDIO FUNCTION MODE and SETUP MODE adjustment items are included.
•By pressing [AUD] key and then [FM] key, switch the item
to be adjusted in the following order.
The default item shall be Fader, and then the item is forwarded in the following order: Balance → Bass Level →
Middle Level → Treble Level (thereafter arbitrary).
• Continuous forwarding by remote controller is prohibited.
• Fader is adjusted by the VOL knob and [
3 steps: R15 ↔ 0 ↔ F15. (Default value: 0)
• Balance is adjusted by the VOL knob and [] / [] keys
in 3 steps: L15 ↔ 0 ↔ R15. (Default value: 0)
• Bass/Middle/Treble Level are adjusted by the V OL knob and
] / [] keys in 3 steps: -8 ↔ 0 ↔ +8. (Default v alue: 0)
[
•Volume Offset is adjusted by the VOL knob and [
keys in 2 steps: -8 ↔ 0. (Default value: 0)
• Loudness ON/OFF is adjusted by the VOL knob and [] /
] keys in 2 steps: OFF ↔ ON. (Default value: OFF)
[
] / [] keys in
] / []
● MENU
• Press the [Q] key to enter the MENU.
• Press the remote controller [DNPP/SBF] key or the [DIRECT] key to enter the MENU.
• Continuous forwarding by remote controller is prohibited.
● Backup current measurement
If reset while in Acc OFF (Back Up ON) condition, MUTE
terminal goes off 2 seconds later, rather than 15 seconds.
(During this time, the CD mechanism does not function.)
● Fluorescent tube (ED1) short-checking
• When the source is STANDBY , press the [ATT] key to s witch
the process in the following order.
1. All lights off.
2. Every 125msec, light the odd and even number of the
grid with the largest numbers.
3. Light only odd number terminals.
4. Light only even number terminals.
5. All lights on.
* After the step 5 above, the process goes back to the
step 1 and then repeats the steps.
● Initializing AUDIO-related setting value
Press the [] key in the STANDBY source and reset the
AUDIO setting value to the test mode default value.
TEST MODE
KDC-W3534A/W3534G
KDC-W40AY
● Other
• When started in Test Mode, duration of prohibiting LINE
MUTE shall be changed from 10 seconds to 1 second.
• When in Test Mode, when DC offset error detection is run,
the detection information is not written into the E2PROM.
● Special displays while all lights are on
When all lights are on with STANDBY source, if the follow-
ing keys are pressed, the f ollowing messages are display ed.
[1] key
[2] key
[3] key
[4] key
[5] key
[6] key
Version is displayed (forwarding)
(Display) TYPE : x_ _ _
→ 558K – 2.05 (“development ID” – “version”)
→ all lights on →
∗ TYPE indicates µ-com destination, and shows real-time
condition of the destination terminal.
All lights ON.
Key pressed: Power ON time is displayed.
While Power ON time is displayed, press and hold for 2
seconds or longer to clear the Power ON time.
(Display)
PON_0Hxx (00~50 is displayed for “xx”)
xxxxx (00001~10922 is displayed for “xxxxx”)
Key pressed: CD operation time is displayed.
Press the key for more than 2 seconds while the CD
operation time is displayed to clear CD operation time.
(Display)
CDT_0Hxx (00~50 is displayed for “xx”)
xxxxx (00001~10922 is displayed for “xxxxx”)
Key pressed: Number of CD EJECT time is displayed.
While the CD EJECT times is displayed, press and hold
for 2 seconds or longer to clear the CD EJECT time.
(Display) EJCxxxxxMAX 65535 (times)
Key pressed: Number of times PANEL is opened/closed
is displayed.
Press the key for more than 2 seconds while the PANEL
open/close count is displayed to clear the PANEL open/
close count.
(Display) PC_xxxxxMAX 65535 (times)
[FM]ROM correction version is displayed
key(Display) ROM_R123
ROM_R – – – (When not written in)
ROM_R ∗ ∗ ∗ (When data not matching)
(“x” is displayed in hexadecimals)
MAX 10922 (hours)
MAX 10922 (hours)
[AM]IC10 adjustment status
key“E2P_OK”: Adjustment completed
“E2P_ER”:
“I2C_ER” : Communication not possible between IC10
∗ If “E2P_OK”, Pin 60 (TUN FANC OUT) should be
output as “H”.
[
]AUDIO data initialization
key(Display) AUD_INIT
]Key pressed: Forced Power OFF data displayed.
[
keyWhile the forced power OFF data is displayed, press and
hold for 2 seconds or longer to clear the data.
(Display) POFF_ – – – (No Forced Power OFF)
[]Key pressed: CD information display mode ON/OFF
keyWhile in CD information display mode, press and hold for
2 seconds or longer to clear all CD information.
∗ Please refer to the next table.
E2PROM values are still default (not determined)
and E2PROM.
PNL (Forced Power OFF because of
system µ-com panel communication error)
CD information display mode
I2C communication condition display
(Display) I2C_OK_ _
NG
[AM]CD mechanism error log display
key(switched by [] / [] keys)
↑(Display) MCERR1_: x x ↔ MCERR2_: x x ↔
MCERR3_: x x ↔ MCERR1_: x x ↔
(“– –” or the error code is displayed for “xx”)
CD loading error log display (switched by [] / [] keys)
(Display) LDERR1_: x x ↔ LDERR2_: x x ↔
LDERR1_: x x ↔
(Number of times is displayed for “xxx”)
CD ejection error log display (switched by [] / [] keys)
(Display) EJERR1_: x x ↔ EJERR2_: x x ↔
EJERR3_: x x ↔ EJERR4_: x x ↔
EJERR1_: x x ↔
(Number of times is displayed for “xxx”)
CD time code error count data display (missing counts)
(switched by [] / [] keys)
(Display) CNT_LOSE ↔ CDDA_xxx ↔ CDROMxxx ↔
CNT_LOSE ↔
↓(Number of times is displayed for “xxx”)
[FM]
CD time code error count data display (count not updated)
key(switched by [] / [] keys)
(Display) CNT_STAY ↔ CDDA_xxx ↔ CDROMxxx ↔
CNT_STAY ↔
(Number of times is displayed for “xxx”)
11
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