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Hi-Fi Component




SERVICE MANUAL
MODEL AVR-3801
AV SURROUND RECEIVER




Some illustrations using in this service manual are slightly different from the actual set.
AVR-3801




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.

SPECIFICATIONS
! AUDIO SECTION
" Power Amplifier
Rated output: Front: 105W + 105W (8/ohms, 20Hz ~ 20kHz with 0.05% T.H.D.)
150W + 150W (6/ohms, 1kHz with 0.7% T.H.D.)
180W + 180W (6/ohms, EIAJ)
Center: 105W (8/ohms, 20Hz ~ 20kHz with 0.05% T.H.D.)
150W (6/ohms, 1kHz with 0.7% T.H.D.)
180W + 180W (6/ohms, EIAJ)
Surround: 105W + 105W (8/ohms, 20Hz ~ 20kHz with 0.05% T.H.D.)
150W + 150W (6/ohms, 1kHz with 0.7% T.H.D.)
180W + 180W (6/ohms, EIAJ)
Surround Back: 105W + 105W (8/ohms, 20 Hz ~ 20kHz with 0.05% T.H.D.)
150W + 150W (6/ohms, 1kHz with 0.7% T.H.D.)
180W + 180W (6/ohms, EIAJ)
Dynamic power: 140W × 2ch (8/ohms)
210W × 2ch (4/ohms)
240W × 2ch (2/ohms)
Output terminals: Front, Center, Surr. Back/Multi Zone: 6 ~ 16/ohms
Surround: A or B 6 ~ 16/ohms
A + B 8 ~ 16/ohms
" Analog
Input sensitivity/input impedance: 200mV/47k/kohms
Frequency response: 10Hz ~ 100kHz: +0, -3dB (DIRECT model)
S/N: 102dB (DIRECT mode)
Distortion: 0.005% (20Hz ~ 20kHz) (DIRECT mode)
Rated output: 1.2V
" Digital
D/A output: Rated output 2V (at 0dB playback)
Total harmonic distortion 0.008% (1 kHz, at 0 dB)
S/N ratio 102dB
Dynamic range 96dB
Digital input: Format Digital audio interface
" Phono equalizer (PHONO input REC OUT)
Input sensitivity: 2.5mV
RIAA deviation: ±1dB (20Hz to 20kHz)
Signal-to-noise ratio: 74dB (A weighting, with 5mV input)
Rated output/Maximum output: 150mV/8V
Distortion factor: 0.03% (1kHz, 3V)

! VIDEO SECTION
" Standard video jacks
Input/output level and impedance: 1Vp-p, 75/ohms
Frequency response: 5Hz ~ 10MHz +0, -3dB
" S-video jacks
Input/output level and impedance: Y (brightness) signal 1Vp-p, 75/ohms
C (color) signal 0.286Vp-p, 75/ohms
Frequency response: 5Hz ~ 10MHz +0, -3dB
" Color component video jacks
Input/output level and impedance: Y (brightness) signal 1Vp-p, 75/ohms
CB (blue) signal 0.7Vp-p, 75/ohms
CR (red) signal 0.7Vp-p, 75/ohms
Frequency response: 5Hz ~27MHz +0, -3dB

! TUNER SECTION
[FM] (note: µV at 75/ohms, 0dBf=1 × 10-15 W) [AM]
Receiving Range: 87.50MHz ~ 107.90MHz 520kHz ~ 1710kHz
(for North America and multiple voltage models) (for North America and Multiple voltage models)
87.50MHz ~ 108.00MHz 522kHz ~ 1611kHz
(for Europe, China, Hong Kong, Taiwan R.O.C. and Multiple voltage models) (for Europe, China, Hong Kong, Taiwan R.O.C. and multiple voltage models)
Usable Sensitivity: 1.0µV (11.2dBf) 18µV
50dB Quieting Sensitivity: MONO: 1.6µV (15.3dBf)
STEREO: 23µV (38.5dBf)
S/N (IHF-A): MONO: 80dB
STEREO: 75dB
Total Harmonic Distortion (at 1kHz): MONO: 0.15%
STEREO: 0.3%

! GENERAL
Power supply: AC120V, 60Hz (for North America and Taiwan R.O.C. models)
AC230V, 50Hz (for Europe model)
AC220V, 50Hz (for China model)
AC115V/230V, 50/60Hz (for Hong Kong and Multiple voltage models)
Power consumption: 7.0A (for North America model)
400W (for Europe, China, Hong Kong and Multiple voltage models)
360W (for Taiwan R.O.C. model)
2.0W Max (Standby)
Maximum external dimensions: 434 (W) × 171 (H) × 416 (D)mm (17-3/32 × 6-11/32 × 16-3/8)
Weight: 17.0kg (37 lbs 8 oz)

! REMOTE CONTROL UNIT (RC-883: for North America, China, Hong Kong, Taiwan R.O.C. and Multiple voltage models)
(RC-884: for Europe model)
Batteries: R6P/AA Type (three batteries)
External dimensions: 61 (W) × 230 (H) × 34 (D)mm (2-13/32 × 9-1/16 × 1-11/32)
Weight: 200g (Approx. 7 oz) (including batteries)

2 * For purposes of improvement, specifications and design are subject to change without notice.
AVR-3801



WIRE ARRANGEMENT
If wire bundles are untied or moved to perform adjustment or parts replacement etc.,be sure to rearrange them neatly as they
were originally bundled or placed afterward.
Otherwise, incorrect arrangement can be a cause of noise generation.

Wire arrangement viewed from the top




3
AVR-3801



DISASSEMBLY
(Follow the procedure below in reverse order when reassembling)

1. Top Cover
Remove 3 screws 1 on the rear and 6 screws 2 on both Top Cover
sides to detach the Top Cover as shown in the arrow
direction. 1
2




2



2. Front Panel
(1) Remove 7 screws 3 from the top and bottom edges of 3
the Front Panel.
(2) Release 4 top and bottom hooks, then detach the Front
Panel as shown in the arrow direction.
Hook




Front Panel
Hook

Hook
3

Hook
3



3. Inner Panel
Pull out the Inner Panel in the arrow direction after removing
3 screws 4 . 4



4




Inner Panel




4
AVR-3801




4. Inner Panel Ass'y
(1) Remove 3 round and 1 square knobs, and unscrew 4
nuts.
5
(2) Remove 15 screws 5 fixing each P.W.B.
5




5
Nut
Round Knob



Square Knob




Nut
Round Knob


Before proceeding to the next stop, take off the Power
Transformer.




5. Power Transformer
(1) Remove 4 screws fixing the Power Transformer and 4
connectors.
(2) Be careful when removing the Power Transformer as it
is heavy.




5
AVR-3801




6. Component Video Unit / PRE-OUT Unit /
AMP Connect Unit
(1) Remove 9 screws 6 to detach Component Video Unit
7 and Pre-out Unit 8 . 9 8 7

(2) Take off the Amp Connect Unit 9 as shown in the
arrow direction after removing 1 screw .



6




7. Regulator Unit
Take off the Regulator Unit as shown in the arrow
direction after removing 8 screws .











6
AVR-3801




8. S-Video / C-video / Audio-in & DSP /
Ext-in & VR / Digital-in / Tuner Unit
(1) Remove 37 screws ! to detach the Rear Panel. Rear Panel !
(2) Take off the objective P.W.B. upward.
!

!



!




9. How to Check Power Amp / µ-com Unit
with Power-on "
"
(1) Remove 12 screws " , 1 screw # , and 4 screws
$ fixing to the Chassis. "
# $
(2) Pull up the Unit to separate from the Chassis.
"

$




"


7
AVR-3801


LEVEL DIAGRAMS
1 2 3 4 5 6 7 8




A




B




C




D




E



8
AVR-3801




1 2 3 4 5 6 7 8




A




B




C




D




E



9
AVR-3801



CLOCK FLOW & WAVE FORM IN DIGITAL BLOCK
Wave Form




1
CH1: D-DATA
(IC510 (5) )




2
CH1: DATA




CH2: fs




CH3: 64fs




3
CH1: DATA




CH2: fs




CH3: 64fs




CH4: 256fs



10
AVR-3801



ADJUSTMENT
Tuner Section
CONNECTION DIAGRAM OF MEASURING INSTRUMENTS


' FM ' AM




1U-3318-5 TUNER UNIT
1U-3318-5 TUNER UNIT
STEREO
MODULATOR OSCILLOSCOPE

FMSSG 75
VR502
T503
GND 1
IC502 OUT AM IF AM 12 Pin
TP102 IC502
1
T502 VR501

DIGITAL
VOLTMETER




FM/MPX ALIGNMENT
Tuning Input Output Adjust
Alignment
Step Frequency Remarks
Item Type Frequency Input Level Modulation Coupling Type Connect to Points Adjust to
Setting
Antenna Digital TP102 Function : FM
1 Tuning Center 98.1 MHz FM SSG 98.1 MHz 60 dBµ None T502 ± 50mV
Terminal Voltmeter (JV36-JV67) Mode : Auto
AUDIO
Stereo (L) Antenna AC Maximum
2 Separation 98.1 MHz FM SSG 98.1 MHz 60 dBµ OUT VR502
1KHz 100% Terminal Voltmeter Separation
Terminal (R)
Light
Antenna "TUNED"
3 Signal Level 98.1 MHz FM SSG 98.1 MHz 20 dBµ Off VR501
Terminal FLD
Character




AM ALIGNMENT
Alignment Output Adjustment
Step Frequency Input Remarks
Item Type Connect to Points Adjust to
IF SWEEP Maximum height and best
1 IF Oscilloscope IC502 12Pin T503
(Input level is not over to work A.G.C.) symmetry curve



11
AVR-3801



Audio Section
Idling Current (1U-3315-1)
Required measurement equipment : DC Voltmeter

Preparation
(1) Avoid direct blow from an air conditioner or an electric fan, and adjust the unit at normal room tempereture 15 °C ~ 30 °C
(59 °F ~ 86 °F).
(2) Presetting
& POWER (Power sourse switch) fi OFF
& SPEAKER (Speaker terminal) fi No load (Do not connect speaker, dummy resistor, etc.)

Adjustment
(1) Remove top cover and set VR101, VR102, VR201, VR202, VR301, VR302, VR401, on 1U-3315-1 (Power Unit) at fully
counterclockwise ( ).
).
(2) Connect DC Voltmeter to test points (FRONT-Lch: TP101, FRONT-Rch: TP102, CENTER ch: TP401, SURROUND-Lch:
TP201, SURROUND-Rch: TP202, SURROUND BACK-Lch: TP301, SURROUND BACK-Rch: TP302).
(3) Connect power cord to AC Line, and turn power switch "ON".

(4) Presetting. MASTER VOLUME : "---" counterclockwise ( min.)
MODE : 7CH STEREO
FUNCTION : CD
(5) Allow 2 minutes, and turn VR101 clockwise ( ) to adjust the TEST POINT voltage to 6.5 mV ±0.5 mV DC.
(6) After 10 minutes from preset, turn VR101 to set the voltage to 8 mV ±0.5 mV DC.
(7) Adjust the Variable Resistors of other channels in the same way.
(8) After 5 minutes from (6), turn VR101 to set the voltage to 8 mV ±0.5 mV DC.
(9) Adjust the Variable Resistors of other channels in the same way.




SBL ch

VR301 TP301
VR302
SBR ch TP302

VR401
C ch TP401

VR102
FR ch TP102

VR101
FL ch TP101
DC Voltmeter
VR202
SR ch TP202

VR201
SL ch TP201




12
AVR-3801



SEMICONDUCTORS Pin
Name Symbol I/O Type Op Det Res Init Function
No.
! IC's
38 VASS VASS I Ref. volt (GND)
Note: Abbreviation ahead of IC No. indicates the name of P.W.B. 39 VAREF VAREF I Ref. volt (VDD)
PO: Power P.W.B. RE: Regulator P.W.B. 40 VDD VDD I Power supply
EX: Exit in P.W.B. AU: Audio/DSP P.W.B. 41 P60 FL CE O P Ed S L H FL display control output (LC75721NE)
CO: Control P.W.B. AC: Amp Connect P.W.B 42 P61 FL RES O P Ed S L H FL display control output (LC75721NE)
43 P62 FUNC STB2 O P Ed Z L Function control output (TC9273), INPUT (TC9273)
TMP88CU74F
64 41 44 P63 SA-RELAY O P Id L L Surround SP relay A control terminal, L: Mute
(CO: IC303)
45 P64 SB-RELAY O P Id L L Surround SP relay B control terminal, L: Mute
46 P65 C-RELAY O P Id L L Center SP relay control terminal, L: Mute
65 40 47 P66 F-RELAY O P Id L H Front SP relay control terminal, L: Mute
48 P67 PRE F MUTE O P Ed L H Front PRE OUT mute control terminal, L: Mute
49 P70 PRE C MUTE O P Ed L L Center PRE OUT mute control terminal, L: Mute
50 P71 PRE S MUTE O P Ed L L Surround PRE OUT mute control terminal, L: Mute
51 P72 SUB WOOFER MUTE O P Ed L H Sub-woofer PRE OUT mute control terminal, L: Mute
52 P73 H/P RELAY O P Id L H H/P OUT relay control terminal, L: Mute
53 P74 EXP OE O P Ed L H Port expander control terminal (BU4094)
80 25 54 P75 EXP CLK O P Ed L L Port expander control terminal (BU4094)
55 P76 EXP DATA O P Ed L L Port expander control terminal (BU4094)
56 P77 EXP STB O P Ed L L Port expander control terminal (BU4094)
1 24
57 P80 POWER O P Id L H Power relay control output, H: ON
TMP88CU74F Terminal Function 58 P81 RESET2 O P Id L L Reset signal output to sub-CPU, H: Reset
59 P82 PRE S.BACK MUTE O P Id L L Surround Back PRE PUT mute control terminal, L: Mute
Pin
No. Name Symbol I/O Type Op Det Res Init Function 60 P83 S.BACK VOL MUTE O P Id L L Surround Back volume mute, L: Mute
61 P84 STANDBY O P Id L H Standby LED drive output H: Light
1 P02/S01 RDS RESET O C Z L RDS reset output (LC7074)
62 P85 S.BACK RELAY O P Id L L Surround Back SP relay control terminal, L: Mute
2 P03 OSD RST O C Z H OSD control output (M35015)
63 P86 LED CK O P Id L L LED control terminal (BU2090F)
3 P04 ST/MONO O C Z L STEREO/MONO control signal, L: STEREO
64 P87 LED DATA O P Id L L LED control terminal (BU2090F)
4 P05 PLFL DATA O C Z L PLL, FL control terminal (LC72131 & LC75721NE)
65 P90 TUNER MUTE O P Ed L H TUNER mute control terminal, H: Mute
5 P06 PLL STB O C Z L PLL control terminal (LC72131)
66 P91 MULTI MUTE O P Id L H MULTI PREOUT mute control terminal, H: Mute
6 P07 PLFL CLK O C Z L PLL, FL control terminal (LC72131 & LC75721NE)
67 P92 S MONI DET I Eu Lv Z S monitor connection detect input, L: Connected
7 Vss Vss I GND L GND
68 P93 S SIG DET I Eu Lv Z S signal detect input, H: Detected
8 Xout Xout O XTAL
69 P94 SYNC DET. I Eu Lv Z Sync detect input, H: Ext. sync
9 Xin Xin I XTAL
70 P95 SEL A (M) I Eu Lv Z Master volume rotation detect input (rotary encoder)
10 RESET_ RESET_ I Eu Lv L Reset input
71 P96 SEL B (M) I Eu Lv Z Master volume rotation detect input (rotary encoder)
11 P22/XTOUT TUNED_ I Eu Lv Z Tuning detect, L: Tuned
72 P97 CINEMA EQ O P Eu Lv Z L CINEMA EQ control output, H: ON
12 P21/XTIN STEREO_ I Eu Lv Z L: At stereo receive
73 PD0 VOL MUTE O P Ed L L Master volume minimum control, L: Min.
13 TEST TEST I GND S Connect to GND
74 PD1 SEL C (S) I Eu Lv Z Surround mode rotation detect input (rotary encoder)
14 P20/INT5_ B.DOWN_ I Eu Lv Z Power down detect, L: Power down
75 PD2 SEL D (S) I Eu Lv Z Surround mode rotation detect input (rotary encoder)
15 P10/INT0_ PROTECT_ I Ed E&L Z PROTECTION detect input, H: Detect
76 PD3 SEL E (F) I Eu Lv Z Input selector switch rotation detect input (rotary encoder)
16 P11/INT1 RDS START I Z L RDS data input (LC7074)
77 PD4 SEL F (F) I Eu Lv Z Input selector switch rotation detect input (rotary encoder)
17 P12 OSD CLK O C Z H OSD control output (M35015)
78 Vkk Vkk GND fixed
18 P13 OSD CS O C Z H OSD control output (M35015)
79 P00/SCK1_ RDS CLK I S Z RDS clock input (LC7074)
19 P14 OSD DATA O C Z L OSD control output (M35015)
80 P01/SI1 RDS DATA I S Z RDS data input (LC7074)
20 P15/INT3 REMOCON I Ed E&L Z Remote control signal input
21 P16/INT2 ACK O C Z L MAIN-SUB CPU comm. control terminal NOTE:
Pin No. : Terminal number of microcomputer.
22 P17/INT4 REQ I Eu Z L MAIN-SUB CPU comm. control terminal Port Name : The name entered in the data sheet of microcomputer.
23 P30/SCL SI I MAIN-SUB CPU comm. control terminal Symbol : Symbolized interface function.
24 P31/SDA SO O C MAIN-SUB CPU comm. control terminal I/O : Input or out of part.
"I" = Input port
25 P32/SCK0_ CLK O C MAIN-SUB CPU comm. control terminal "O" = Output port
26 P40/AIN0 MODE I Eu Lv Z Destination switching input Type : Composition of port in case of output port.
27 P41/AIN1 KEY1 I Eu Lv Z Button input 1 "C" = CMOS output
"N" = NMOS open drain output
28 P42/AIN2 KEY2 I Eu Lv Z Button input 2 "P" = PMOS open drain output
29 P43/AIN3 KEY3 I Eu Lv Z Button input 3 Op : Pull up/Pull down selection information.
30 P44/AIN4 FUNC STB1 O C Z L Function control output, REC OUT (TC9274-011), EXT/SOURCE (TC9274-012) "Iu" = Inner microcomputer pull up

31 P45/AIN5 FUNC/T. CON CLK O C Z L Function control output (TC9274N, TC9273), TONE control output (TC9184P) "Id" = Inner microcomputer pull down
"Eu"= External microcomputer pull up
32 P46/AIN6 FUNC/T. CON DATA O C Z L Function control output (TC9274N, TC9273), TONE control output (TC9184P) "Ed"= External microcomputer pull down
33 P47/AIN7 E.VOL STB2 O C Z L Multi Elect. volume control output (TC9459) Det : Indicates judging state of input port. Level detection is "LV"; Edge detection is "Ed"; Detection by both shifting is "E&L";

34 P50/AIN8 E.VOL STB1 O C L L Elect. volume control output (TC9459) Serial data detection is "S" (Serial data output is also "S").
Res : State at reset.
35 P51/AIN9 TONE STB O C L L TONE control output (TC9184P) "H" = Outputs High Level at reset
36 P52/AIN10 E.VOL DATA O C L H Elect. volume control output (TC9459) "L" = Outputs Low Level at reset
37 P53/AIN11 E.VOL CLK O C L H Elect. volume control output (TC9459) "Z" = Becomes High impedance mode at reset
Ini : Initial output state.
Function : Function and logical level explanation of signals to be interface.

13
AVR-3801



TMP93CS41F (AU: IC301) Pin
% # # Name Symbol I/O Type Op Det Res Init Function
No.
% $ #
41 PA6 O C Ed L L
42 PA7/SCOUT 96k-DAC O C Ed L L DAC control terminal (H: Sample frequency 96kHz)
43 ALE O C L L Address latch enable
44 Vcc +5V
45 P00/AD0 AD0 I/O C Z L EPROM data in D0 / address out A0
46 P01/AD1 AD1 I/O C Z L EPROM data in D1 / address out A1
47 P02/AD2 AD2 I/O C Z L EPROM data in D2 / address out A2
48 P03/AD3 AD3 I/O C Z L EPROM data in D3 / address out A3
49 P04/AD4 AD4 I/O C Z L EPROM data in D4 / address out A4
50 P05/AD5 AD5 I/O C Z L EPROM data in D5 / address out A5
51 P06/AD6 AD6 I/O C Z L EPROM data in D6 / address out A6
52 P07/AD7 AD7 I/O C Z L EPROM data in D7 / address out A7
53 P10/AD8/A8 A8 O C Z L EPROM address out A8
$
54 P11/AD9/A9 A9 O C Z L EPROM address out A9
#
55 P12/AD10/A10 A10 O C Z L EPROM address out A10
TMP93CS41F Terminal Function 56 P13/AD11/A11 A11 O C Z L EPROM address out A11
Pin 57 P14/AD12/A12 A12 O C Z L EPROM address out A12
Name Symbol I/O Type Op Det Res Init Function
No. 58 P15/AD13/A13 A13 O C Z L EPROM address out A13
1 V REFL A/D ref. GND 59 P16/AD14/A14 A14 O C Z L EPROM address out A14
2 A Vss A/D GND 60 P17/AD15/A15 A15 O C Z L EPROM address out A15
3 A Vcc AD +5V 61 _WDTOUT O C Z H Watch dog output
4 _NMI I Not used (fixed to H) 62 Vss GND
5 P70/TI0 _DEMOD RESET O C Ed L L Demodulator reset output (L: Reset) 63 Vcc +5V
6 P71/TO1 DEMOD ON O C Ed L L Demodulator osc. control output (H: Osc.) 64 P20/A0/A16 A16 O C Z L EPROM address out A16
7 P72/TO2 FAN1 O C Ed L L FAN control output (H: ON, L: OFF) 65 P21/A1/A17 O C Z L
8 P73/TO3 FAN2 O C Ed L L FAN control output (H: Hi, L: Low & off) 66 P22/A2/A18 ADIRCE O C Z L DIR control terminal (LC89055Q) control chip enable output
9 P80/INT4/TI4 B.DOWN_ I Eu E&L Z Power down detect (L: Detected) 67 P23/A3/A19 DIR MOSI O C Z L DIR control terminal (LC89055Q) control data output
10 P81/INT5/TI5 DSP ACK I E&L Host I/F comm. response input (L: OK) 68 P24/A4/A20 O C Z L
11 P82/TO4 AC-3 RF DET I E&L AC-3 RF signal judge input (L: AC-3 data input) 69 P25/A5/A21 FGAIN O C Ed L L FRONT ch GAIN switching control output (H: SW=NO)
MAIN-SUB CPU comm. control output (L: Comm. request from 70 P26/A6/A22 DAC-RESET O C Ed L L DAC control terminal (L: Power down mode, (rising edge) Reset)
12 P83/TO5 _REQ O C Eu H L
sub) 71 P27/A7/A23 SEL CK O C Z L ADC/DIR data clock switching control terminal (L: ADC)
13 P84/INT6/TI6 _ACK I Eu E&L MAIN-SUB CPU comm. control input (L: Ack. return from main) 72 P30/_RD _RD O C Z L Flash memory control terminal
14 P85/INT7/TI7 ERR I E&L DIR control input terminal (LC89055Q)( H: ERR) 73 P31/_WR _WR O C Z L Flash memory control terminal
15 P86/TO6 _DSP RESET O C Ed L L DSP reset output terminal (L: Reset) 74 P32/_HWR CSI I Lv DIR control input terminal (L: PCM)
DIR control input terminal (LC89055Q), when CH status change 75 P33/_WAIT ERR MUTE_ O C Ed L L Pop noise preventive mute control output (L: Mute)
16 P97/INT0 _CS I Ed E&L
LH 76 P34/_BUSRQ _DSP REQUEST O C Z L (ADSP21065L:IRQ1_) host I/F interrupt request output (L: REQ)
17 P90/TXD0 SI O C MAIN-SUB CPU comm. control terminal (data output) 77 P35/_BUSRQ DIG.(AC39 MUTE O C Ed Z L Digital mute control output (L: AC-3 or DTS decode enable)
18 P91/RXD0 SO I MAIN-SUB CPU comm. control terminal (data input) 78 P36/_R/W WRITE O C Z L DSP comm. control terminal (H: Data write)
19 P92/_CTS0/SCLK0 CLK I/O C MAIN-SUB CPU comm. control terminal (I2C clock in/output) 79 P37/_RAS DIR RESET O C Z L DIR control output (LC89055Q) (L: Reset)
20 P93/TXD1 O C Z L 80 P40/_CS0/_CAS0 O C Z L
21 P94/RXD1 DIR MISO I Lv DIR control input terminal (LC89055Q) control data input 81 P41/_CS1/_CAS1 O C Z L
22 P95/SCLK1 DIR CLK O C Z L DIR control terminal (LC89055Q) control clock output 82 P42/_CS2/_CAS2 _CS0 O C Z L Flash memory control terminal
23 AM8/_16 Fixed to +5V 83 P60/PG00 I/01 I/O C Z L DSP comm. terminal (ADSP21065L: D16)
24 CLK O C Eu 84 P61/PG01 I/02 I/O C Z L DSP comm. terminal (ADSP21065L: D17)
25 Vcc +5V 85 P62/PG02 I/03 I/O C Z L DSP comm. terminal (ADSP21065L: D18)
26 Vss I/O1 GND 86 P63/PG03 I/04 I/O C Z L DSP comm. terminal (ADSP21065L: D19)
27 X1 Xin I Xtal connection 87 P64/PG10 I/05 I/O C Z L DSP comm. terminal (ADSP21065L: D20)
28 X2 Xout O Xtal connection 88 P65/PG11 I/06 I/O C Z L DSP comm. terminal (ADSP21065L: D21)
29 _EA Fixed to +5V 89 P66/PG12 I/07 I/O C Z L DSP comm. terminal (ADSP21065L: D22)
30 _RESET RESET2_ I Eu Lv L Reset input (controlled by main CPU) 90 P67/PG13 I/08 I/O C Z L DSP comm. terminal (ADSP21065L: D23)
31 P96/XT1 A/D RESET O N Eu H H A/D control terminal (L: Reset) 91 Vss GND
32 P97/XT2 ASIC-RESET O N Eu H H ASIC control terminal (L: Reset) 92 P50/AN0 AUDIO LEVEL I Eu Lv Z Signal level detect, set to A/D input
33 TEST1 I Connected to TEST2 93 P51/AN1 POSI (FAN) I Eu Lv Z Temperature detect, set to A/D input
34 TEST2 I Connected to TEST1 94 P52/AN2 EMP I Lv H: EMP on
35 PA0 DINA O C Ed L L Digital input switching control output 95 P53/AN3 96K DET I Lv 96k signal detect input, H: 96k
36 PA1 DINB O C Ed L L Digital input switching control output 96 P54/AN4 BUSY1 I Lv (ADSP21065L:FLAG2A)
37 PA2 DINC O C Ed L L Digital input switching control output 97 P55/AN5 FLAG 3A I Lv (ADSP21065L:FLAG3A)
38 PA3 DIND O C Ed L L Digital input switching control output 98 P56/AN6 I Lv
39 PA4 DOUTA O C Ed L L Digital output switching control output 99 P57/AN7 I Lv
40 PA5 DOUTB O C Ed L L Digital output switching control output 100 V REFH AD ref. +5V




14
AVR-3801



ADSP-21065L (AU: IC400)


208 157
1 156




52 105
53 104



ADSP-21065L Terminal Function
Pin Pin Pin Pin Pin Pin
Pin Name Pin Name Pin Name Pin Name Pin Name Pin Name
No. No.
1 VDD 36 VDD 71 MS1 106 GND 141 VDD 176 VDD
2 RFS0 37 SDCLK0 72 GND 107 DATA15 142 NC 177 GND
3 GND 38 DMAR1 73 GND 108 DATA16 143 ID1 178 ADDR11
4 RCLK0 39 DMAR2 74 MS2 109 DATA17 144 ID0 179 ADDR10
5 DR0A 40 HBR 75 MS3 110 VDD 145 EMU 180 ADDR9
6 DR0B 41 GND 76 FLAG11 111 DATA18 146 TDO 181 GND
7 TFS0 42 RAS 77 VDD 112 DATA19 147 TRST 182 VDD
8 TCLK0 43 CAS 78 FLAG10 113 DATA20 148 TDI 183 ADDR8
9 VDD 44 SDWE 79 FLAG9 114 GND 149 TMS 184 ADDR7
10 GND 45 VDD 80 FLAG8 115 NC 150 GND 185 ADDR6
11 DT0A 46 DQM 81 GND 116 DATA21 151 TCK 186 GND
12 DT0B 47 SDCKE 82 DATA0 117 DATA22 152 BSEL 187 GND
13 RFS1 48 SDA10 83 DATA1 118 DATA23 153 BMS 188 ADDR5
14 GND 49 GND 84 DATA2 119 GND 154 GND 189 ADDR4
15 RCLK1 50 DMAG1 85 VDD 120 VDD 155 GND 190 ADDR3
16 DR1A 51 DMAG2 86 DATA3 121 DATA24 156 VDD 191 VDD
17 DR1B 52 HBG 87 DATA4 122 DATA25 157 RESET 192 VDD
18 TFS1 5