Denon DN-T645 User manual

SERVICE MANUAL
(This illustration shows the DN-T645 model.)
CD/CASSETTE COMBI-DECK
MODEL DN-T645/625
For U.S.A., Canada & Europe model
1Some illustrations using in this service manual are slightly different from the actual set.
16-11, YUSHIMA 3-CHOME, BUNKYOU-KU, TOKYO 113-0034 JAPAN
Telephone: [phone]
X-0159 NC 0210

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DN-T645/625
SAFETY PRECAUTIONS
The following check should be performed for the continued protection of the customer and service technician.
LEAKAGE CURRENT CHECK
Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to
chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either
side of the power cord is less than 460 kohms, the unit is defective.

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DN-T645/625
DISASSEMBLY
(To reassemble, reverse disassembly)
1. TOP COVER
(1) Remove 6 screws on both sides, and 3 screws on the rear panel.
(2) Pull the Top Cover as shown by the arrow direction.
2. FRONT PANEL
(1) Turn the unit power on, and open Tray of the CD Mecha.
(2) Remove the Loader panel, and switch off the power after closing the Tray.
(3) Remove 2 screws at the top, and 3 screws at the bottom.
(4) Remove 2 screws to free Earth Wire.
(5) Remove the screw to free FFC.
(6) Cut the Clamp band.
(7) Disconnect 2 wire and 6 connectors from the Front Panel, then detach the Front Panel to the arrow direction about 50mm.
(8) Disconnect 2 connectors and the FFC from the Front Panel, then detach the Front Panel to the arrow direction.

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DN-T645/625
Method of opening the Tray when the power would not be turned on in trouble.
(1) Please be sure to unplug the cord.
(2) Push the lever indicated in the circled figure below with small bar like a pencil or a ball pointed pen, through the square
opening on the left side of the main chassis.
(3) Push the Tray out to the direction indicated in the figure below.
(4) Detach the Loader Panel by lifting up to the direction indicated bellow.

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DN-T645/625
3. DISPLAY & SW UNIT / KEY UNIT / SW UNIT / MIC UNIT /
H/P UNIT / VOLUME UNIT / POWER SW UNIT
(1) Pull out 6 knobs on the front.
(2) Remove 15 screws and 6 screws on the DISPLAY & KEY UNIT.
(3) Remove 2 screw on the MIC UNIT.
(4) Remove the screws on the SW UNIT.
(5) Remove 2 screws on the H/P UNIT & VOLUME UNIT.
(6) remove 2 screws on the POWER SW UNIT.
4. CASSETTE MECHA
(1) Press Eject button and unlock cassette Door.
(2) Remove 4 screws on the Cassette Mecha.
(3) Detach the Cassette Mecha.

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DN-T645/625
5. CASSETTE DOOR
(1) Take off the Cassette Window on the front.
(2) Remove the screw to detach the Mini-damper.
(3) Remove the screw to detach the Door Bracket.
(4) With pushing the shaft in the arrow directions, no spring side first, detach the Cassette Door.
6. CD MECHA
(1) Remove 2 screws, then detach the FRONT BRIDGE.
(2) Remove 4 screws.
(3) Pull out the CD Mecha in the arrow direction.

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DN-T645/625
7. XLR UNIT / DECK AMP UNIT
(1) Disconnect the connectors from the DECK AMP UNIT.
(2) Disconnect the FFC and 2 connectors from the MAIN UNIT.
(3) Remove 12 screw, then detach the XLR UNIT to the arrow direction.
(4) Remove 3 screws, then detach the DECK AMP UNIT to the arrow direction.
8. MAIN UNIT / 25P DSUB UNIT
(1) Disconnect the connectors from the TRANS UNIT.
(2) Remove 8 screws.
(3) Remove 4 hexagon screws, then detach the MAIN UNIT and 25P DSUB UNIT to the arrow direction.

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DN-T645/625
9. TRANS UNIT
(1) Disconnect the power connector.
(2) Remove 4 screws, then detach the TRANS UNIT to the arrow direction.

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9DN-T645/625
SERVICE PROGRAM
Required Measuring Implement
zReference disc (TCD784 or CO-74176)
1. What is Service Program
Service program is a special program intended for confirming servo functions etc.
2. µcom Version Check
zRefer to "Preset Functions and Operations" of the instruction manual.
zYou can check the µcom version.
3. Error Data Check
zSwitch on the power while pushing the 7 button and 8 button at the same time.
zAfter actuating the error data check program, press the CD's >> or << button to display the logging error codes
in the occurred order.
XX Err** XX: occurred order
Err**: error code (Refer to the "Error Code Table")
z10 error logs are memorized at maximum. Item 1 is newest data. Item 10 is oldest data. Item 2 is the 9th old data.
zPressing the 0/CLEAR button enters to data erase mode. ("Err Clear?" is displayed.)
If the 0/CLEAR button is pressed again, the memorized error data are cleared.
zTo stop the Error Data check mode, please turn off the POWER switch.
NOTE: When the service is finished, delete the error logs.
4. Total Running Time
zSwitch on the power while pushing the 9 button and 0/CLEAR button at the same time.
Total time span of CD that counted by the hour is displayed.
CD XXXXh
zPress the CD's >> or << button to change the display between CD and DECK.
DEC XXXXh
NOTE: Time is counted if powered down first 30 minutes.
zPressing the 0/CLEAR button enters to data erase mode. ("Time Clear?" is displayed.)
If the 0/CLEAR button is pressed again, the memorized time data are cleared.
zTo stop the Total Running Time check mode, please turn off the POWER switch.
NOTE: When the replacing the associated parts, delete the ranning time.
5. B.E.R. Checks and Automatic Servo Adjustment Call
zSwitch on the power while pushing the 5 button and 6 button at the same time.
And Loading a disc by OPEN/CLOSE button.
(1)Block Error Rate
Press the PLAY/PAUSE button. B.E.R. is displayed.
01Tr **m XXXX XXXX: Block Error Rate
You can select the track by the select knob.
(2)Tracking balance and Focus balance data
Press the 2 button. Tracking balance and Focus balance data is displayed.
2 ±XXX±@@@ XXX: Tracking balance
@@@: Focus balance
(3)Focus gain data
Press the 3 button. Focus gain data is displayed.
3 XXXX XXXX: Focus gain
(4)Tracking gain data
Press the 4 button. Tracking gain data is displayed.
4 XXXX XXXX: Tracking gain
(5)Tracking offset and Focus offset data
Press the 5 button. Tracking offset and Focus offset data is displayed.
5 ±XXX±@@@ XXX: Tracking offset
@@@: Focus offset
(6)Press the 1 button to select the Block Error Rate data.
(7)To stop the B.E.R. Check and Automatic Servo Adjustment Call mode,
please turn off the POWER switch.
No. botton Adjustment Item Adjustment Value indicator
Tracking Balance -025 ~ +025
Focus Balance -030 ~ +030
3 Focus Gain 0576 ~ 2304
4 Tracking Gain 0392 ~ 1569
Tracking Offset -005 ~ +005
Focus Offset -005 ~ +005
2
5

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10DN-T645/625
6. Test Mode (Heat Run mode)
zSwitch on the power while pushing the 3 button and 4 button at the same time.
"000TroHR0000" is displayed. And the tray is opened.
(1)Hold the disc by the edges and place it on the disc tray.
(2)Starting with the OPEN/CLOSE button, it repeats open/close of the tray and playback.
***TrxHRXXXX ***: Track No.
x : o, c, s, t, r, and p
XXXX: Cycle quantity
All tracks are played back if the track count is less than 20.
Only the first and last tracks are played back if the tracks are more than 21.
When any errors, it stops and indicates error code (Refer to the Error Code Table).
(3)To stop the Test mode, please turn off the POWER switch.
7. Error Code Table
Error Code CONTENTS
Error 01 Unable to close the loader tray in the regulation time.
Error 02 Unable to open the loader tray in the regulation time.
Error 03 Inner circle switch ON error even if the time is over.
Error 04 Inner circle switch OFF error even if the time is over.
Error 05 The focus offset adjustment result is outside the regulation range.
Error 06 Unable to adjust the focus offset in the regulation time.
Error 07 The tracking offset adjustment result is outside the regulation range.
Error 08 Unable to adjust the tracking offset in the regulation time.
Error 09 The FE peak is outside the regulation range.
Error 0A The FE peak is outside the regulation range.
Error 0B Unable to adjust the focus rough gain in the regulation time.
Error 0C The focus rough gain is outside the regulation range.
Error 0D Unable to actuate focus in the regulation time.
Error 0E Unable to actuate tracking in the regulation time.
Error 0F Unable to adjust the tracking rough gain in the regulation time.
Error 10 The tracking rough gain is outside the regulation range.
Error 11 Unable to adjust the tracking balance in the regulation time.
Error 12 The tracking balance adjustment result is outside the regulation range.
Error 13 Focus servo down during automatic adjustment.
Error 14 Focus servo down during automatic adjustment.
Error 15 Unable to adjust the focus balance in the regulation time.
Error 16 The focus balance adjustment result is outside the regulation range.
Error 17 Track servo down during automatic adjustment.
Error 18 Unable to adjust the focus fine gain in the regulation time.
Error 19 The focus fine gain is outside the regulation range.
Error 1A Unable to adjust the tracking fine gain in the regulation time.
Error 1B The tracking fine gain is outside the regulation range.
Error 1C Unable to adjust automatically in the regulation time.
Error 1D Unable to read the subcode Q in the regulation time.
Error 1E Unable to read the TOC in the regulation time.
Error 1F Focus servo down during search (over the regulation time).
Error 20 Track servo down during search (over the regulation time).
Error 2116 Servo error during search.
Error 2103 Search error (over the regulation time).
Error 22 Discontinuity occurred, during write to the DRAM.
Error 23 The error which cannot be corrected to the read data.
Error 24 Unable to do the level detect.
Error 25 Unable to join data in the regulation time.
Error 26 The error rate when recording on the memory is over the regulation value.
Error 27 The subcode jump more than regulation.

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µCOM VERSION UPGRADE
System µcom can be upgraded in the following manner.
Version Upgrade Method
1.Record the version upgrade software on a CD-R or CD-RW disc,
only as one file with the format ISO9660 Mode-1.
The file name of the supplied version upgrade software should be used as is and this disc needs
to finalize.
2.Hold the disc by the edges and place it on the disc tray.
3.Press the OPEN/CLOSE button to start the version upgrade.
"Version Up"→"Push Play!" "xxxx->XXXX" are displayed.
xxxx : current version
XXXX : upgrade version
4.Press the PLAY/PAUSE button.
"Now Writing" →"Writing-XXX" are displayed.
XXX : count up from 000 to129
5.When the version upgrade is finished, "Complete!" is indicated.
6.Turn off the power once and turn on again.
Press the OPEN/CLOSE button and remove the disc.
NOTE: When the power is turned off before "Complete!" is displayed, µcom version is not written correctly.

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12DN-T645/625
ADJUSTMENT
ADJUSTING AND CHECKING THE
MECHANISM SECTION
1. Replacing Pinch Roller
Before replacing the pinch roller, clean the tape contact
surface of the pinch roller and the capstan shaft.
Most causes of poor tape transport can be traced to dirty
pinch roller and capstan shaft.
Removing the pinch roller
Remove the clips that press the pinch roller and pull the
pinch roller forward remove it.
After replacing, run a padles C-90 tape to check for tape
curls at the tape guide section of the head.
2. Checking the pressure Force of the Pinch
Roller
In the playback mode, hook a spring weight onto the
bracket at the center of the pinch roller. After separating
the pinch roller from the capstan shaft allow the pinch roller
to contact the capstan shaft again. Check to make sure
the spring weight reads between 250 ~ 350g when the
pinch roller starts to rotate.
Replace the pinch roller when it does not conform to the
standard specification values.
3. Replacing the Head Ass'y
(1) Removing the head Ass'y
1. Remove the head base mounting screws.
2. Remove the head base from the lead holder and
the wire connectors.
(2) Head Ass'y Installation
1. Assembly is the reverse of disassembly.
4. Adjusting the R/P HEAD
Azimuth adjustments
Set test tape A-BEX TCC-153 so that the A surface faces
forward, and adjust accordingly.
(1) Playback FWD. Turn the azimuth adjustment nut so
that the Lissajous waveform (A) is at maximum scale
and the Lissajous waveform (B) is at minimum scale.
(2) Playback REV. Turn the azimuth adjustment nut in
the same manner as (1), above.
(3) Make further adjustments to (1) and (2), above.
(4) Apply torsion locks to the adjusted nuts.
Note: Only the azimuth adjustment is necessary; no height
and tilt angle adjustments are required.
Capstan shaft
Pinch roller
250 ~ 350g
L
R
PB Amp
A-BEX TCC-153
LINE OUT
V
H
A
B
FWD REV
R/P Head

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5. Checking the Take-up Torque
Load the cassette type torque meter
FWD side .........SONY TW2111A
REV side .......... SONY TW2121A
Check to make sure that the average torque meter reading
is within 30 ~ 70g-cm during playback. If it is not within
this range, check the voltage (approx. 4V) of the reel motor.
After the verification, replace the reel motor if there is no
problem with the voltage value.
6. Checking the FF and REW Torques
Load the cassette type torque meter (SONY TW2231).
Check to make sure the torque meter indicates within
90 ~ 180g-cm at the end of FF and REW.
7. Checking the Back Tension Torque During
Record/Playback
Load the cassette type torque meter
FWD side .........SONY TW2111A
REV side .......... SONY TW2121A
Check to make sure the torque meter reads between
2 ~ 6g-cm during playback and that there is no unevenness.
8. Checking the FF and REW Times
Load a C-60 cassette tape (TDK AC-514); check to make
sure the tape is fast forwarded or rewound within 85 ~
115 seconds. If it is not within this range, check sections 5
and 7.
9. Checking the Operation of the Erase
Prevention, Metal and Chrome Switch
Confirm that the sensor arm properly detecting the tape
type detection holes on the cassette housing.
ADJUSTING THE ELECTRICAL SECTIONS


Measuring instruments necessary for
adjustments
(1) Audio signal generator
(2) Variable resistance attenuator
(3) Electronic voltmeter
(4) Oscilloscope
(5) Frequency counter
(6) Adjustment screwdriver.
(7) Trap coil adjustment square stick
(8) Test tapes (SONY TY-224)
(A-BEX TCC-130, TCC-153, TCC-262B/162B)
(TDK AC-514)
(9) Transport Check cassette tape (A-BEX TCC-902)


Caution on adjusting
(1) Before adjusting, clean the head surface, capstan and
the pinch roller with a gauze or cotton swab moistened
with alcohol.
(2) Demagnetize the R/P HEAD and the E HEAD with a
head eraser.
(3) Completely demagnetize the adjustment screwdriver.
(4) Unless instructed otherwise, set the various controls
as follows:
INPUT volume ....................... maximum
DOLBY NR button ................. OFF
TAPE SPEED ....................... Center click position
PHONES SELECT ................ TAPE/MIX
INPUT SELECT .................... LINE
1. Tape Transport Check
Load the transport check cassette. In the operational mode,
illuminate the fixing guides of the R/P HEAD with a lamp
and check to make sure the tape edge does not come in
contact with the tape guide section.
The tape transport is the most important element in
determining the performance of a cassette deck.
Avoid moving the various adjustment screws, nuts, etc.,
as much as possible. Refer to the pages on "Adjusting
and Cheking the Mechanism Section" when replacing or
adjusting the R/P HEAD.
2. Adjusting the Azimuth
(1) After completing the tape transport check, load the
test tape (A-BEX TCC-153).
(2) Playback (both FWD side and REV side) the test tape;
adjust the azimuth screw so that section A of the
Lissajous waveform is maximum and section B is
minimum.
L
R
PB Amp
A-BEX TCC-153
LINE OUT
V
H
A
B
FWD REV
R/P Head

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3. Checking and Adjusting the Tape Speed
(1) Connect the frequency counter to the LINE OUT
terminal and load test tape (SONY TY-224).
(2) Load cassette tapes and playback test tape.
4. Playback System Adjustment
(1) Playback level
Playback a test tape for Dolby standard level (A-BEX
TCC-130). Adjust (Lch) and (Rch) so that the LINE
OUT terminal level is at 0 dB (775 mV).
(2) Verifying playback frequency characteristics
Playback the test tape (A-BEX TCC-262B/162B) and
verify that the frequency characteristics conform to
the specified standard.
Note: Before checking the playback frequency response,
first adjust the azimuth using the 8 kHz signal at the
beginning of the test tape (A-BEX TCC-262B). Also,
after checking the playback frequency, make sure
to readjust the azimuth with the test tape (A-BEX
TCC-153) and then lock the adjustment screw.
A-BEX TCC-130
A-BEX TCC-262B/162B
PB Amp
PB Amp
LINE OUT
LINE OUT
V.V
V.V
(db)
+6
+5
+4
+3
+2
+1
0
−1
−2
−3
−4
−5
−6
20 10050 200 500 1 k 2 k 5 k 10 k 12 k 20 k (Hz)
Tape: A-BEX TCC-262B/162B
SONY TY-224
PB Amp
LINE OUT
F. Counter
Playback frequency characteristics
Adjusting volume number
VR-301
VR-302
L/R
L
R
Playback Level
VR-502
Adjusting volume
number
F. counter
(Hz)
3005±5
(3) At about halfway through the tape, where the tape
transport is stable, adjust the VR-502.

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5. Recording System Adjustment
5-1. Adjusting recording/playback comprehensive
frequency characteristics.
(1) Load a test tape TDK AC-514.
Record with a -20 dB 1 kHz input level signal into
the LINE IN terminal and playback.
(2) Make a sample recording using a 12 kHz input
signal and playback this recording. Adjust (left
channel) and (right channel) so that they conform
to the following specified characteristics.
(db)
+6
+5
+4
+3
+2
+1
0
−1
−2
−3
−4
−5
−6
20 10050 200 500 1 k 2 k 5 k 10 k 12 k 20 k (Hz)
Tape
Dolby NR
Level
: AC-514
: Off
: −20 dB From Dolby Level
5-2. Recording/Playback Level Adjustment
(1) Load the test tape TDK AC-514. Make a sample
recording with the 1 kHz (-20 dB) signal and play
this section back.
(2) Adjust (Lch) and (Rch) so that the output from
LINE OUT terminal is the same as the output at
recording monitoring time.
5-3. Dolby C recording and playback comprehensive
frequency characteristics verification
(1) Set the Dolby NR switch at "C" position.
(2) Use a test tape TDK AC-514 and record and
playback as in item 5-1 to verity that they satisfy
the characteristics standards.
(db)
+6
+5
+4
+3
+2
+1
0
−1
−2
−3
−4
−5
−6
20 10050 200 500 1 k 2 k 5 k 10 k 12 k 20 k (Hz)
Tape
Dolby NR
Level
: AC-514
: On C
: −20 dB From Dolby Level
Record/Playback Overall Frequency Response
ATT
LINE IN
LINE OUT
V.V
REC Amp
PB Amp
Dolby C Record/Playback Overall Frequency Response
L/R
L VR-551
VR-552
VR-582
VR-581
R
R
L
Adjusting volume number
Frequency Responce
DN-T
645
DN-T
625
R/P Level Adjustment
Adjusting volume number
VR-303
VR-304
L/R
L
R

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DN-T645/625
LEVEL DIAGRAMS (1/2)
(dBV)
0dB
-10dB
-20dB -30dB -40dB -60dB MIC -62dB
RCA -24dB
XLR -17.5dB
(CD) +8dB
+2.5dB
IC302 HA12170
IC601
VR621
IC801
IC309 IC304
30(1) 16(15) 1(7)
1(7)
1(7)
7(1)
7(1)
7
VR303(304)
+8.2dB
+2.5dB (METAL)
+1dB (CHROME)
-1dB (NORMAL)
-19dB
IC-651(652) IC-653
RCA
XLR
LINE IN
ACD 780 (Option)
LEVEL DIAGRAM
RECORDING SYSTEM INPUT FREQUENCY 400Hz
MIC
(CD)
0dB=0.775V
MIC AGC=OFF
MIC MODE=REC
# A
# A : VR621 ADJUST
Not used for Model DN-T625
-70dB
-50dB

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DN-T645/625
LEVEL DIAGRAMS (2/2)
IC302 HA12170
22(9)
28(3) 1(7)
1(7)
1(7)
1(7)
7(1)
3(5)
VR301(302)
TR301(302)
IC301 IC321 IC322
IC319
IC602
IC601(603)
IC804(805)
LOAD 600 ohm
LOAD 33 ohm
XLR
RCA
LINE OUT
HEADPHONE
NJM2068
IC207
PLAYBACK SYSTEM
CD
TCC-130 DOLBY B-TYPE
TAPE
-71dB
+8dB
+2dB
-28dB
-19dB
-1dB (HEADPHONE)(CD)
+18dB (XLR)(CD)
+8dB (RCA)(CD)
-9dB (HEADPHONE)(TAPE)
-10dB (XLR)(CD/TAPE:MONORAL RCH)
+4dB (XLR)(TAPE)
0dB (RCA)(TAPE)
0dB=0.775V
(dBV)
0dB
-10dB +20dB
+10dB
-20dB -30dB -40dB -60dB
-70dB
-50dB
1(7)
1(7)
1(7)
1(7)
IC314 IC315
IC317
LOAD 600 ohm
XLR
RCA
LINE OUT

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DN-T645/625
BLOCK DIAGRAM

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DN-T645/625
SEMICONDUCTORS
IC’s
MN102H60KDA
(IC101)
MN102H60KDA Terminal Function
Pin
No. Pin Name Symbol I/O Det Ext Res Ini Function
1 P60, WAIT, SBT2 PCDMUTE O - Pd L L Mute for CD
2 P61, _RE _RD O - - Hi-Z - Read signal
3 P62, _WEL _WEL O - - Hi-Z - Write signal
4 P63, _WE, _WEH PEXTIN I - - Hi-Z - EXT.IN signal
5 _CS0,TM13OA _CS0 O - - Hi-Z - Chip select signal (MASK ROM operation : Input port)
6 _CS1, TM13OB _CS1 O - - Hi-Z - Chip select signal (IN/OUT)
7 _CS2, TM14OA _CS2 O - - Hi-Z - Chip select signal (Normal operation : Input port, MASK ROM operation
: F.ROM Chip select)
8 _CS3, TM14OB _CS3 O - - Hi-Z - Deck (Input/Output)
9 P54, _BREQ PEXTOUT O - - Hi-Z H EXT.OUT signal
10 P55, _BRACK PRMTOUT O - - Hi-Z H Remote output signal
11 P56, ALE, _ALE,
_BSTRE, TM15IA
PMON2 I - - Hi-Z - Monitor signal 2
12 P57,_WORD _WORD I - H H H Data bit bus width select 'H': 8bit
13 P20,A00,SBT2 A00 A/O - - Unfix - Address bus
14 P21,A01,SBI2 A01 A/O - - Unfix - Address bus
15 P22,A02,SBO2 A02 A/O - - Unfix - Address bus
16 P23,A03 A03 A/O - - Unfix - Address bus
17 Vdd Vdd - - - - - Power supply (+3.3V)
18 BOSC,BIBT1,
BIBT2,PB0
PIRINH O - - Hi-Z L Infrared remote 'L': Enable / 'H': Inhibit
19 Vss Vss - - - - - GND(0V)
20 XI,PB1 PCE O - - Hi-Z L Chip select 'L': MN662791 / 'H': BU2618
21 XO XO - - - - - Not used. OPEN
22 Vdd Vdd - - - - - Power supply (+3.3V)
23 OSCI OSCI I - - - -
24 OSCO OSCO O - - - - OSCI output
25 MODE MODE I - L L L Mode select 'L': Processor mode
26 P24,A04,TM15IA A04 A/O - - Unfix - Address bus
27 P25,A05 A05 A/O - - Unfix - Address bus
28 P26,A06 A06 A/O - - Unfix - Address bus
29 P27,A07 A07 A/O - - Unfix - Address bus
30 P30,A08,_KI0 A08 A/O - - Unfix - Address bus
31 P31,A09,_KI1 A09 A/O - - Unfix - Address bus
32 P32,A10,_KI2 A10 A/O - - Unfix - Address bus
75
76
100
125
26
50
51

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20
DN-T645/625
33 P33,A11,_KI3 A11 A/O - - Unfix - Address bus
34 AVDD AVDD - - - - - Analog power supply terminal
35 P34,A12,_KI4 A12 A/O - - Unfix - Address bus
36 P35,A13,_KI5 A13 A/O - - Unfix - Address bus
37 P36,A14,_KI6 A14 A/O - - Unfix - Address bus
38 P37,A15,_KI7 A15 A/O - - Unfix - Address bus
39 P40,A16 A16 A/O - - Unfix - Address bus
40 P41,A17 A17 A/O - - Unfix - Address bus
41 P42,A18 A18 A/O - - Unfix - Address bus
42 P43,A19 A19 A/O - - Unfix - Address bus
43 Vref- Vref- - - - - - Standard analog power supply
44 P44,AN4,A20 PPARA1 I Lv - Unfix - Parallel input 1 (Use A/D converter)
45 P45,AN5,A21 PPARA2 I Lv - Unfix - Parallel input 2 (Use A/D converter)
46 P46,AN6,STOP,
A22
PPARA3 I Lv - Hi-Z - Parallel input 3 (Use A/D converter)
47 P47,AN7,WDOUT,
A23
PSDA I/O - - Hi-Z - Not used.
48 P80,TM14OA PSCL O - - Hi-Z H Not used.
49 P81,TM14OB PDUB O - - Hi-Z H Dubbing signal 'L': Dubbing
50 P82,TM0IO,SBI2,
SBT3,SCL3
PMON1 I - - Hi-Z - Monitor signal 1
51 P83,TM4IO,SBI3 RxD I - - Hi-Z - Serial port (9600bps by xxMHz)
52 P84,TM7IO,SBO3,
SDA3
TxD O - - Hi-Z H Serial port (9600bps by xxMHz)
53 P85,TM9IOA,SBO2,
SBT4,SCL4
PFLCLK O - - Hi-Z H To FL driver SCK
54 Vref+ Vref+ - - - - - Standard analog power supply
55 P86,TM9IOB,SBI4 PFLCS O - - Hi-Z H To FL driver CS
56 P87,TM9IC,SBO4,
SDA4
PFLSD O - - Hi-Z H To FL driver SDATA
57 P90,TM8IOA,BIBT1,
_DMAREQ1
PBIAS O - Pd L L Bias signal 'H': BIAS ON
58 P91,TM10IOA,BIBT2,
_DMAACK1
PRMUTE O - Pu H H Rec mute change signal 'H': MUTE ON
59 P92,TM10IOB,
_DMAREQ0
PLRCK I Ed - Hi-Z - LRCK : Use for time code creation during MP3 playback.
60 P93,TM10IC,
_DMAACK0
PNRST O - Pd L L Round IC reset signal
61 Vss Vss - - - - - GND (0V)
62 P94,AN0 PADINL I Lv Pd L - Use A/D converter
63 P95,AN1 PADINR I Lv Pd L - Use A/D converter
64 P96,AN2 PREMO1 I Lv - Hi-Z - Use A/D converter
65 P97,AN3 PREMO2 I Lv - Hi-Z - Use A/D converter
66 Vdd Vdd - - - - - Power supply (+3.3V)
67 P70,SBT0,_RAS PMCLK O - - Hi-Z H DSP interface Clock (clock synchronous formula)
68 P71,SBI0,_CAS,
_LCAS
PSTAT I - - Hi-Z - DSP interface Reception (clock synchronous formula)
69 P72,SBO0,_UCAS PMDAT O - - Hi-Z H DSP interface Transmission (clock synchronous formula)
70 P73,SBT1,DUMX PTXTCLK O - - Hi-Z H Use during CD-TEXT data read (clock synchronous formula)
71 P74,SBI1 PTXTD I - - Hi-Z - Use during CD-TEXT data read (clock synchronous formula)
72 P75,SBO1 PMLD O - - Hi-Z H DSP interface latch
73 TEST1 TEST1 I - Pu - - Pull up 33 - 50K
74 TEST2 TEST2 I - Pu - - Pull up 33 - 50K
75 _NMI _NMI I Lv - Hi-Z - Need pull up
76 PA0,_IRQ0 PBLKCK I Ed - Hi-Z - Sub code clock interruption
77 PA1,_IRQ1 PDQSY I Ed - Hi-Z - CD-TEXT DQSY Interruption
78 PA2,_IRQ2 PPLS I Ed - Hi-Z - Count by DOWN EDGE. One rotation by three counts.
79 PA3,_IRQ3 PREMOTE I Ed - Hi-Z - RC-5/Infrared remote signal input
80 PA4,_IRQ4,TM15IB PCHGOFT O - Pu H L Off track signal
81 PA5,ADSEP ADSEP I - H H H 'H': Address data separation mode / 'L': Address data common mode
Pin
No. Pin Name Symbol I/O Det Ext Res Ini Function