Panasonic SA-AK340EE User manual

nAMPLIFIER SECTION

RMS Output Power

THD 10%, both channels driven

1 kHz

(Low channel) 105 W per channel (3 Ω)

10 kHz

(High channel) 105 W per channel (3 Ω)

Total Bi-Amp power 420 W

nFM/AM TUNER, TERMINALS SECTION

Preset station FM 15 stations

AM 15 stations

Frequency Modulation (FM)

Frequency range 87.50 to 108.00 MHz (50 kHz

steps)

Sensitivity 4.0 µV (IHF)

S/N 26dB 2.2 µV

ntenna terminals 75 Ω(unbalanced)

mplitude Modulation (AM)

Frequency range 522 to 1629 kHz (9 kHz step)

Sensitivity

S/N 20dB (at 999 kHz) 560 µV/m

Music Port input jack

Terminal Stereo, 3.5 mm jack

Sensitivity 100 mV, 4.7 kΩ

rights reserved. Unauthorized copying and

distribution is a violation of law.

SA-AK340EE

Colour

(S)... Silver Type

Phone jack

Terminal Stereo, 3.5 mm jack

nCASSETTE DECK SECTION

Track system 4 track, 2 channel

Heads

Record/playback Solid permalloy head

Erasure Double gap ferrite head

Motor DC servo motor

Recording system AC bias 100 kHz

Erasing system AC erase 100 kHz

Tape speed 4.8 cm/s

Overall frequency response (+3, -6 dB) at DECK OUT

NORMAL 35 Hz to 14 kHz

S/N ratio 50 dB (A weighted)

Wow and flutter 0.18 % (WRMS)

Fast forward and rewind time Approx. 120 seconds with

C-60 cassette tape

nDISC SECTION

Disc played [8 cm or 12 cm]

(1) CD-Audio (CD-DA)

(2) CD-R/RW (CD-DA, MP3, WMA formatted disc)

(3) MP3/WMA

Bit rate

CD Stereo System

Notes: This model’s CD mechanism changer unit is CRS1. Please refer to the original Service Manual

(Order No. MD0509368C0) for this mechanism.

Specifications

ORDER NO. MD0512483C3

9 Self diagnosis and special mode setting

This unit is equipped with functions for checking and inspecting namely: Self-Diagnostic and Test Mode.

9.1. Special Mode Table

Item FL Display Key Operation

Mode Name Description Front Key

Self -Diagnostic

Mode

To enter into self

diagnostic checking for

main unit.

1. Select [

] for TAPE mode (Ensure no tape is

inserted).

2. Press and hold [ ]button for 3

seconds follow by [ ].

To exit, press button on

main unit or remote control.

CD Test Mode To enter into checking the

reliability of changer unit.

1. Select [ ] for CD mode.

2. Press and hold [ ] button for 3

seconds follow by [ ].

To exit, press button on

main unit or remote control.

CD Auto

Adjustment

To check the CD auto

adjustment result for

FLOCK, TLOCK and

CLVS.

In CD Test Mode:

1. Press [0] button on the remote control.

To exit, press button on

main unit or remote control.

CD Changer

Reliability Test

(CRS1)

To determine the

reliability of CD Changer

Unit.

(For more information,

refer to section 9.1.1)

In Self-Diagnostic Mode:

1. Select [ ] for CD mode.

2. Press [ ] button.

To exit, press button on

main unit or remote control.

(The tray will return to PLAY position and then

power off)

Doctor Mode To enter into Doctor

Mode for checking of

various items and

displaying EEPROM and

firmware version.

1. All segments will light up for 1 second.

2. The Check Sum of EEPROM and firmware

version will be display.

* ROM correction

** Firmware version No:

In any mode:

1. Press [ ] button on main unit

follow by [4] and [7] on remote control.

To exit, press [ENTER] button on remote

control or button on main

unit or remote control.

Cold Start To activate cold start

upon next AC power up.

In doctor mode:

1. Press [4] button on remote control.

To exit, press [ENTER] button on remote

control or button on main

unit or remote control.

Changer

Reliability Test

To check the function

operation of changer unit.

(For more information,

refer to 9.1.1)

In doctor mode:

1. Press [DISC] on remote control.

To exit, press [ENTER] button on remote

control or button on main

unit or remote control.

SA-AK340EE

Item FL Display Key Operation

Mode Name Description Front Key

FL Display Test To check the FL

segments display (All

segments will light up and

LED will blink at 0.5

second interval)

In doctor mode:

1. Press [DIMMER] button on remote control.

Tape Eject Test To check on the tape

eject function (For deck

1/2)

In doctor mode:

1. Press [PROGRAM] button on remote

control.

9.1.1. CD changer unit ageing test mode

Below is the process flow chart of ageing for the CD changer unit. (CRS1)

SA-AK340EE

9.2. Error code Table

Self-Diagnosis Function (refer Section 9.1) provides information on any problems occuring for the unit and its respective

components by displaying the error codes. These error code such as U**, H** and F** are stored in memory and held unless it is

cleared.

SA-AK340EE

The error code is automatically display after entering into self-diagnostic mode.

Error Code Diagnosis Contents Description of error Automatic FL Display Remarks

H01 Mode SW, plunger

and capstan motor

abnormal

For deck mechanism unit (For deck 1/2).

Press [ ] on main unit for

next error.

H02 Rec INH SW

abnormal

For deck mechanism unit (For deck 2).

Press [ ] on main unit for

next error.

H03 HALF SW abnormal For deck mechanism unit (For deck 1/2).

Press [ ] on main unit for

next error.

F01

F02

Reel pulse abnormal

TPS error

For deck mechanism unit (For deck 1/2).

Press [ ] on main unit for

next error.

F15 RESET SW

abnormal

REST SW: ON is not

detected within the

specified time.

For CD unit (For Traverse).

Press [ ] on main unit for

next error.

F26 Transmission error

between CD Servo

LSI IC and

microprocessor IC

When set to CD mode, the

sense signal does not turn

“Low”, a fail safe time after

system command

transmission is sent.

For CD unit (For Traverse).

Press [ ] on main unit for

next error.

F61 Power Amp IC output

abnormal

Upon power on,

PCONT=HIGH, DCDET=L

after checking LSI.

For power.

Press [ ] on main unit for

next error.

IHMS Cam gear

abnormality

Cam gear does not rotate

to “HOME” position.

For CD changer unit (CRS1).

Press [SINGLE CHANGE] on main unit

for next error.

ICSL Cam gear/gear units

abnormal

Cam gear does not rotate

to “PLAY” driving position

and hence does not drive

playing tray to “STOCK”

position.

For CD changer unit (CRS1).

Press [SINGLE CHANGE] on main unit

for next error.

ISTK Drive rack/gear

assembly abnormal

The tray drive rack does not

move to “STOCK” position.

(Tray does not move to

“STOCK” position)

For CD changer unit (CRS1).

Press [SINGLE CHANGE] on main unit

for next error.

IPLY Drive rack/gear

assembly abnormal

The tray drive rack does not

move to “PLAY” position.

(Tray does not move to

“PLAY” position)

For CD changer unit (CRS1).

Press [SINGLE CHANGE] on main unit

for next error.

SA-AK340EE

Error Code Diagnosis Contents Description of error Automatic FL Display Remarks

ITOP UD assembly UD Rack does not move to

front direction. This lead to

UD base not raise to top

position.

For CD changer unit (CRS1).

Press [SINGLE CHANGE] on main unit

for next error.

IUDS UD assembly After TOP SW is detected,

UD rack does not move into

tray 1 position.

For CD changer unit (CRS1).

Press [SINGLE CHANGE] on main unit

for next error.

HOME Cam gear/gear

assembly abnormal

Cam gear does not move to

“HOME” position under

following conditions

1. After tray is load to

“PLAY” position.

2. After tray is unload to

“STOCK” position.

For CD changer unit (CRS1).

Press [SINGLE CHANGE] on main unit

for next error.

LOAD Tray drive assembly

abnormal

Tray unit does not move

from “STOCK” to “PLAY”

position

For CD changer unit (CRS1).

Press [SINGLE CHANGE] on main unit

for next error.

PDRV Cam gear/gear

assembly abnormal

Cam gear does not move

from “HOME” to “PLAY”

drive position.

For CD changer unit (CRS1).

Press [SINGLE CHANGE] on main unit

for next error.

UDU UD base asssembly

abnormal

UD Base assembly does

not move upwards from tray

5 to tray 2

For CD changer unit (CRS1).

Press [SINGLE CHANGE] on main unit

for next error.

UDD UD base asssembly

abnormal

UD Base assembly does

not move downwards from

tray 1 to tray 5.

For CD changer unit (CRS1).

Press [SINGLE CHANGE] on main unit

for next error.

UD1 UD base asssembly

abnormal

UD Base assembly does

not move to tray 1.

For CD changer unit (CRS1).

Press [SINGLE CHANGE] on main unit

for next error.

F1NG Fail - safe mode. (For

open/close tray

unit(s))

When the tray open

operation is performed, it

fails to open. It will

automatically close all trays

after the time-out by the

microprocessor. During this

time when it fails, the error

code will appear.

For CD changer unit (CRS1).

Press [SINGLE CHANGE] on main unit

for next error.

SA-AK340EE

Error Code Diagnosis Contents Description of error Automatic FL Display Remarks

F2NG Fail - safe mode. (For

open/close tray

unit(s))

When the tray close

operation is performed, it

fails to close. It will

automatically open all trays

after the time-out by the

microprocessor. During this

time when it fails, the error

code will appear.

For CD changer unit (CRS1).

Press [SINGLE CHANGE] on main unit

for next error.

SRVC_TRV To unlock the

traverse unit for

service

1. All trays set to “STOCK”

position

2. Mechanism set to tray 5

3. Cam gear set to

“HOME” position

For CD changer unit (CRS1).

Press [SINGLE CHANGE] on main unit.

RSET Cam gear jam/close

sensor faulty

During tray re-open, the

cam gear will rotate in the

opposite direction to reset

the cam gearposition.

When it fails, the error code

will appear.

For CD changer unit (CRS1).

Press [SINGLE CHANGE] on main unit

for next error.

CRS1 Error Code display

1. The errors that occured in CRS1 Mechanism can be recalled and displayed, in the order of the occurence under self-diagnostic

(Refer to Section 9.1 for procedures to enter this mode.

Only the first 5 errors will be memorized (in backup memory). The subsequence error shall be ignored and not memorize.

For system with EEPROM as memory backup,memory space in EEPROM is neccesary.

2. To display all error code memorized

In CRS1 Self-Diagnostic mode, press [SINGLE CHANGE] to display subsequence error code.

It shall repeat after reaching error no. 5.

e.g.:

[1____IHMS]→[SINGLE CHANGE]

[2____ITOP]→[SINGLE CHANGE]

[3____HOME]→[SINGLE CHANGE]

[4____LOAD]→[SINGLE CHANGE]

[5_____UDD]→[SINGLE CHANGE]

3. To clear the error code memory

In CRS1 Self-Diagnostic mode, long press [SINGLE CHANGE] key (2s or more)

SA-AK340EE

15 Wiring Connection Diagram

JK5950

230V, 50HZ

AC IN

H6555/

W6555

9. . . . . .1

FDECK P.C.B

GDECK MECHANISM P.C.B

. . . . . . . . . .

M7302

SPINDLE MOTOR

OPTICAL PICKUP

CS1001

12345

1 . . . 9

2 . . . 10

CN1001

CS1002

MOTOR

CN971

CN7001

. . . . . . . . . . .

PbF

SOLDER SIDE

PbF

T5951

(SUB-TRANSFORMER)

T5950

(POWER TRANSFORMER)

PHONE

MUSIC

PORT

PANEL P.C.B

SOLDER SIDE

PbF

(DECK 2)

R/P HEAD (DECK 1)

PLAYBACK HEAD

TRAVERSE

MOTOR

M7301

CD SERVO P.C.B

CN7002

. . . . . . . . . . . .

. . . . . . . . .

PbF

SOLDER SIDE

MAIN P.C.B

FM ANT AM ANT

JK2601

Z2620

(TUNER PACK)

PbF

CN2809

. . . . . . . .

CN2808

CN2803

14 . . . . . . .2

13 . . . . . . .1

CN2951

10 . . . 2

9 . . . 1

29 . . . . . . . . . . . . .1

30 . . . . . . . . . . . . 2

CN2806

CN2805

. . . . . . . . . .

. . . . . . .

. . . . . .

. . . . . . . .

CN2801

1 2

(To Fan)

CN2810

FAN

MOTOR

BLACK

RED

SENSOR

Z6481

JK6551

JK6751

VOLUME

VR6491

CN6601

. . . . . . . . . . . . . . . . . . . .

JK5101

JK5102

POWER P.C.B

SOLDER SIDE

LEFT

SPEAKER RIGHT

SPEAKER

H5104/

W5104

. . . . . . . .

CN5103

. . . . . . . . .

CN5102

. . . . . . . . .

CAUTION

RISK OF ELECTRIC SHOCK

AC VOLTAGE LINE.

PLEASE DO NOTTOUCH

THIS P.C.B

TRANSFORMER P.C.B

SOLDER SIDE

CN5951

. . . . . . .

9 . . . . . . . . .1

CN5950

PbF

To CRS1 (CN1)

W1002

2-+

SA-AK340EE

16 Block Diagram

CD SIGNAL

RCH

B BBB B

B B

M7302

SPINDLE

MOTOR

M7301

TRAVERSE

MOTOR

T-

T+

F+

F-

PHOTO DETECTOR

OPTICAL PICKUP

SEMICONDUCTOR

LASER

Q7601

LASER

POWER DRIVE

FOCUS COIL

TRACKING

COIL

LPD

MN6627954MA

SERVO PROCESSOR/

DIGITAL SIGNAL 

PROCESSOR/

DIGITAL FILTER

D/A CONVERTER

IC7001

A, B, C, D, E, F

TO MAIN BLOCK

X7201

IC7002

BA5948FPE2

IN4 27 TRP

IN3 28 FOP

IN2 1 TRVP

IN1 3SPOUT

PC2 2

VREF 26

D4-

D4+

D3-

D3+

D2+14

D2-

D1+

D1-

PC1 4PC

MUTE

[CH1]

LEVEL

SHIFT

LEVEL

SHIFT

LEVEL

SHIFT

LEVEL

SHIFT

[CH3]

[CH4]

[CH2]

[CH1]

MUTE

[CH2]

4 CH DRIVE

TRV+

TRV-

SP-

SP+

81 80 70 69 67 68 51 53 52 54 55

35~40

66 57

AVSS1

SRVMON1

SRVMON0

NTEST

NRST

AVDD2

AVSS2

ARFFBARFF

/RST

LPD

ARFF

SPOUT

TRVP

TRP

FOP

ARFOUT

ARFDC

RFOUT

RFIN

CENV

CTRCRS

OSCIN

VREF

RFENV

SPOUT

TRVP

TRP

FOP

A,B,C,D,E,F

NSRVMONON

NTEST2

MDATA

ARFIN ARFF

BLKCK

IREF

DSLF

PLLF

PLLFO

TXTCK

(SBCK)

PRAMVDD33

PRAMVSS33

D0~D15

A0~A11

BA0,BA1

TXTD

DQSY

(SUBC)

(TXNCLDCK)

BLKCK

FLAG 65

83~92,94~99

1~7,11~15

16,17

NWE,NCAS 8,9

NRAS,SDRCK

(LRCK)

(BCLK)

(SRDATA)

EXT0

EXT2

EXT1

10,100

(DVDD2) 76

MCLK

MLD

STAT

(PMCK)

(SMCK)

AVDD1

OUTR

OUTL

IOVDD1

IOVDD2

DRVDD

DVDD1

DVDD2

DVSS1

DVSS2

DVSS3

6059 56

CMOS

AMPLIFIER

TIMING

GENERATOR

[GEN]

SUBCODE

INTERFACE

[DEMECC]

1Mbit

DRAM

REGULATOR

EFM DEMODUALTION

SYNC INTERPOLATION

CIRC ECC

CDROM ECC

[DEMECC]

MICRO COMPUTER

INTERFACE

[MCIF]

DSL/PLL/VCO

[DSLPLL]

SPINDLE

CPU

[DSV]

SERVO

CPU

[DSV]

CIRC RAM

BUS CONTROL UNIT

[BCU]

MP3/WMA

DECORDER

CONVERTER

[FSC]

SERIAL OUTPUT

INTERFACE

[DAO]

DIGITAL FILTER

1bitDAC

PWM LOGIC

[DF, MASH]

ANALOG

LOWPASS

FILTER

DIGITAL

OUT

OUTPUT

PORT

A/D

CONVERTER

MLD

MCLK

MDATA

STAT

SA-AK340EE

RCH

IC2601

C1BB00000962

FM/AM IF AMP,

DET/AM OSC,

MIX/FM MPX

SHIFT REGISTER LATCH

SWALLOW COUNTER

1/6,1/17,4 BITS

12 BITS PROGRAMMABLE

DIVIDER

REFERENCE

DIVIDER

C2B

I/F

PLLCLK

PLLDA

ST/DO

X2603

ST/DO

S-CURVE

REG

IF FM

DET

OSC

LEVEL

DET

BUFFER

ALC DECODER

STEREO

SWITCH

AM

DET

TUNING

DRIVE

AM/FM

BUFFER COMP

REG

VCO

MIX AM

RMAMP

AGC

PHASE

DET

PILOT

DET

FF FF FF

PILOT

CANCEL

(FM)

TUNER

15V

SUPPLY

SWITCH

Q2606

POWER ON

RESET

UNIVERSAL

COUNTER

UNLOCK

DETECTOR

PHASE DETECTOR

CHARGE PUMP

CD DRIVE

BLOCK

PLL FREQUENCY

SYNTHESIZER

C1CB00001937

IC2602

X2602

19 10 7698

4CL

2CE

L2602

D2602

L2601

2324 22 21 20 19 18 17 16 14

15 13

12346

5789

10 11 12

IF AMP

Q2601

CF2601 CF2602

FMANT

Z2620

(FM)

MIXER

OSC BUFFER

IFT

Z2602

AMANT

AN734

P.B E

ALC/

IC100

C1AA00000612

R/P SELECT

IC1004

Q1003

SWITCHING

(BEAT PROOF/

RECH)

L1002

IC951

PHOTO

INTERRUPTER

CNB13030R2AU

PHOT0_1

21(4)

22(3)

17(8)

1(2)

24(23)

Q2980

DECK



MOTOR

SWITC

M1002

S951 MODE

HALF_1

MODE_1

S952 HALF

Z971

INTERFACE

DECK2

S972 HALF

S975 RECINH_F

S971 MODE

(DECK 2)

R/P HEAD

LCH

Q1017

MOTOR

SWITCH

(DECK 2)

ERASE HEAD

(DECK 1)

P.B. HEAD

LCH

MLD

MCLK

MDATA

BLKCK

PLLCLK

ST/DO

/RST

STAT

CD_RST

JOG VOL

VR6491

IC2801

C2CBYY000053

MICROPROCESSOR

S7201

RESET

SWITCH

QR6457

LED

DRIVE

VOL_LED

FL_CS

FL_DOUT

74 72

FL_CLK

D6462

MLD

MDATA

MCLK

ST/DO

STATUS

PLLCE

PLLCK

X_OUT

X_IN

V_JOG_A

V_JOG_B

/RESTSW

X2802X2801

XC_IN

XC_OUT

BLKCK

25~405~16,24

FL10

C0HBB0000057

FL DRIVER

IC6601

STB

DIN

CLK

978

FL40

FL25

FL24

FROM POWER

TRANSFORMER

GR1

GR12

31~42 14~22,

23~29

SG1

SG16

FL6602

FL DISPLAY

CD STATUS

INTERFACE

BLKCK

INTERFACE

SWITCH

Q2907

Q2906

CD LOADING CIRCUIT

CHG_CW

CHG_CCW

HOME_SW

ST_SW

OPEN_SW

CLOSE_SW

PLAY_SW

UP_SENSOR

BOTTOM_SW

SPEED

RF AMP

SA-AK340EE

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