Teac A-H300mk II User manual

AA--HH330000mmkk##
SERVICE MANUAL
Integrated Stereo Amplifier
Effective : July, 2004 S-0120A
CONTENTS
1 SPECIFICATIONS ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・2
2 IC PIN FUNCTIONS ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・3
3 EXPLODED VIEWS AND PARTS LIST ・・・・・・・・・・・・・・・・・4
4 PC BOARDS AND PARTS LIST ・・・・・・・・・・・・・・・・・・・・・・・・6
NOTES
●PC boards shown are viewed from parts side.
●The parts with no reference number or no parts number in the
exploded views are not supplied.
●As regards the resistors and capacitors, refer to the circuit diagrams
contained in this manual.
●£Parts marked with this sign are safety critical components. They
must be replaced with identical components - refer to the appropriate
parts list and ensure exact replacement.
For Europe

1 SPECIFICATIONS
−2−
Amplifier Section
Power output ..............................45 W + 45 W (6 Ω, 1 kHz, 0.5%)
Total Harmonic Distortion........................0.5% (1 kHz, 6 Ω, 45 W)
S/N Ratio ....................................................PHONO: 70 dB (IHF-A)
AUX, CD, TAPE, TUNER: 95 dB (IHF-A)
CD direct: 95 dB (IHF-A)
Input Sensitivity/Impedance ......................PHONO: 2.6 mV/10 kΩ
AUX, CD, TAPE, TUNER: 180 mV/10 kΩ
Frequency Response..................................................5 Hz - 80 kHz
Tone Control ............................................BASS : ±10 dB (100 Hz)
TREBLE : ±10 dB (10 kHz)
General
Power Requirement ..............................................AC 230 V, 50 Hz
Power Consumption ..............................................................85 W
AC Outlet (total 100 W max.) ..................................unswitched x 1
Dimensions (W x H x D) ................................215 x 312 x 110 mm
Weight (Net)..........................................................................4.2 kg
Operating temperature ................................................+5˚C - +35˚C
Operating humidity..........................5% to 85% (no condensation)
Storage temperature ................................................–20˚C - +55˚C
Standard Accessory........................................Remote Control Unit
Battery (AAA, R03, UM-4) x 2
•Design and specifications are subject to change without notice.
•Weight and dimensions are approximate.

2 IC PIN FUNCTIONS
−3−
Pin No. PIN NAME I/O
1 FUNC MUTE O Function, Mute ON/OFF Output
2 -20dB MUTE O -20dB Mute ON/OFF Output
3 POWER MUTE O Power Mute Output
4 SOURCE REC, OUT O Source recoding Output
5 OPTION
6 OPTION
7 PROTECT IN I Protect Input
8 STAND BY O Stand by LED ON/OFF Output
9 POWER ON/OFF O Power ON/OFF Output
10 AUX O Function, LED ON/OFF Output
11 PHONO O Function, LED ON/OFF Output
12 N/C - Non connection
13 TUNER
14 CD
15 TAPE 1
16 TAPE 2
17 Vss I GROUND
18,19 N/C - Non connection
20 RESET I Divice reset pluse input
21 XL 1 O Crystal Output
22 XL 2 I Crystal Input
23 TAPE 2 1 O TAPE 2 Recording Output
24 TAPE 1 2 O TAPE 1 Recording Output
25,26 KEY OUT O Key matrix signal Output
27,28 KEY IN I Key matrix signal Input
29 TAPE 2 REC IN I TAPE 2 Recording Input
30 TAPE 1 REC IN I TAPE 1 Recording Input
31 SOURCE REC, IN I Source recoding Input
32,34 N/C - Non connection
33 FUNCTION DOWN I Function Down Input
35 FUNCTION UP I Function Up Input
36 BUS IN I System control Input
37 REMOTE IN I Remote control Input
38 N/C - Non connection
39 Vdd I +5V
40 BUS OUT O System control Output
41 N/C - Non connection
42 VOLUME DOWN O Volume DOWN Output
43 VOLUME UP O Volume UP Output
44 CD DIRECT O CD Direct led ON/OFF Output
DESCRIPTION
Option port "HIGH" LEVEL
Function, LED ON/OFF OutputO
I
HVIANAM1224A

−4−
2
1
3
4
5
8
7
6
9
10
11
12
13
14
15
18
16
17
19
20
21
24
23
22
29
25
26
27
32
28
31
33
34
35
36
x7
x4
x4
x3
x3
x3
30
x3
37
38
39
40
3 EXPLODED VIEWS AND PARTS LIST

−5−
EXPLODED VIEW LIST
REF.NO. PARTSNO. DESCRIPTION REMARKS
1HGK1A103ZA ROTARYKNOBASSY
2HGK1A101ZA VOLUMEKNOBASSY
3HGK1A102ZA INPUTKNOBASSY
4HGK1A102YA RECKNOBASSY
5KGB1A047Z BADGE,TEAC
6CKM1A152ZC35 PANEL,AL
7CGL1A133 INDICATOR,STANDBY
8CGL1A228 INDICATOR,VOLUME
9CGR1A348MBC22 RING,VOLUME
10 CGW1A384M7G5 PANEL,SUB
11 CBC1A098M7G5 KNOB,POWER
12 COP11711B FRONTPCBASSY
13 CBT1A495M7G5 CAP,STANDBY
14 CBT1A483 KNOB,STANDBY
15 COP11711B FRONTPCBASSY
16 COP11711B FRONTPCBASSY
17 CBT1A484M7G5 KNOB,DIRECT
18 CGU1A261A8 WINDOW,SENSOR
19 CGL1A219 INDICATER,STAND‑BY
20 CGW1A384M7‑2 HOLDER,LED
21 COP11711B FRONTPCBASSY
22 COP11711B FRONTPCBASSY
23 CKC1B088S35 CABINET,TOP
24£CLT5P039ZE TRANS,POWER
25 CHG1A113 RUBBER
26 CUA2A157 CHASSIS,BOTTOM
27 CKL2A055H45 FOOT
28 KHG1A050Y CUSHION,FOOT
29 COP11712B INPUTPCBASSY
30 CMD1A356 BRACKET,PCB
31 CHE170 HOLDER,PCB
32 COP11713B AMPPCBASSY
33 CMY2A126 HEATSINK
34 CKF1A152R PANEL,REAR
35 KMA2A001 TERMINAL,GROUND
36£KHR1A028 BUSHING,ACCORD
37£CJA2B043ZA CORD,POWER
38 CMX1A167 INSULATOR
39 CHE1A012 WASHER,FIBER
40 CMD1A376 SUPPORT,LED
F901£KBA2C2000TLEZ FUSE
F902£KBA2C1000TLEZ FUSE
INCLUDED ACCESSORIES
REF.NO. PARTSNO. DESCRIPTION REMARKS
9A10000400 OWNER'SMANUAL,E/F/S
9A10000500 OWNER'SMANUAL,G/I/D
CARTAH300S REMOCONTRANSMITTERASSY

4 PC BOARDS AND PARTS LIST
−6−
INPUT PCB

−7−
FRONT PCB VR CONTROL PCB
POWER SWITCH PCB
HEADPHONE PCB

−8−
AMP PCB

INPUT PCB ASSY
REF.NO. PARTSNO. DESCRIPTION
COP11712B INPUTPCBASSY
CUP11712Z INPUTPCB
CN14 KJP04GA19ZM WAFER
CN52 KJP04GA01ZM WAFER
CN71 KJP11GA19ZM WAFER
CN74 KJP06GA19ZM WAFER
IC11 HVINJM2068MDTE1 IC,NJM2068
IC12 BVILC4966 IC,LC4966
IC13 BVILC4966 IC,LC4966
IC14 BVILC4966 IC,LC4966
IC15 BVILC4966 IC,LC4966
IC16 BVILC4966 IC,LC4966
IC17 BVILC4966 IC,LC4966
IC18 BVILC4966 IC,LC4966
IC19 HVINJM2068MDTE1 IC,NJM2068
IC20 HVINJM2068MDTE1 IC,NJM2068
IC21 HVINJM2068MDTE1 IC,NJM2068
JK10 CJJ4R014Z JACK,BOARD
JK11 CJJ4R017Z TERMINAL,IN/OUT(G)
JK12 CJJ4P019Z JACK,BOARD
Q101 HVTKTC2874BT TR,KTC2874B
Q102 HVTKTC2874BT TR,KTC2874B
Q103 HVTKTC2874BT TR,KTC2874B
Q104 HVTKTC2874BT TR,KTC2874B
Q107 HVTKRC107MT TR,KRC107M
Q108 HVTKRA107MT TR,KRA107M
Q109 HVTKRC107MT TR,KRC107M
Q111 HVTKRC107MT TR,KRC107M
Q112 HVTKRA107MT TR,KRA107M
Q113 HVTKRC107MT TR,KRC107M
Q114 HVTKRA107MT TR,KRA107M
Q115 HVTKRC107MT TR,KRC107M
Q116 HVTKRA107MT TR,KRA107M
Q211 HVTKRC107MT TR,KRC107M
Q212 HVTKRA107MT TR,KRA107M
Q213 HVTKRC107MT TR,KRC107M
Q214 HVTKRA107MT TR,KRA107M
Q215 HVTKRC107MT TR,KRC107M
Q216 HVTKRA107MT TR,KRA107M
Q217 HVTKRC107MT TR,KRC107M
Q218 HVTKRA107MT TR,KRA107M
Q219 HVTKRC107MT TR,KRC107M
Q220 HVTKRA107MT TR,KRA107M
Q221 HVTKRC107MT TR,KRC107M
Q222 HVTKRA107MT TR,KRA107M
FRONT PCB ASSY (GATHER)
REF.NO. PARTSNO. DESCRIPTION
COP11711B FRONTPCBASSY
CUP11711Z FRONTPCB
CMD1A376 SUPPORT,LED
C901£BCKWKH472ME C,CERAMIC(KHTYPE)
CN11 KJP06GA19ZM WAFER
CN73 KJP06GA19ZM WAFER
D701 CVDLEBBL33T0 LED,BLUE
D702 CVDLEBBL33T0 LED,BLUE
D703 CVDLEBBL33T0 LED,BLUE
D704 CVDLEBBL33T0 LED,BLUE
D705 CVDLEBBL33T0 LED,BLUE
D706 CVDLEBBL33T0 LED,BLUE
D707 CVDLEBBL33T0 LED,BLUE
D708 CVDLEBBL33T0 LED,BLUE
D711 HVD342YCTB7T089 LED,YELLOW
D721 HVD1SS133MT DIODE,1SS133
D722 HVD1SS133MT DIODE,1SS133
IC41 HVINJM2068MDTE1 IC,NJM2068
IC71 HVIANAM1224A IC,ANAM1224A
IC72 KRVHIM602H32 SENSOR,REMOCON
IC73 HVINJM2068MDTE1 IC,NJM2068
JK71 HJJ2E027Z JACK,HEADPHONE
Q701 HVTKRA107MT TR,KRA107M
Q702 HVTKRA107MT TR,KRA107M
Q703 HVTKRA107MT TR,KRA107M
Q704 HVTKRA107MT TR,KRA107M
Q705 HVTKRA107MT TR,KRA107M
Q706 HVTKRA107MT TR,KRA107M
Q719 HVTKRC107MT TR,KRC107M
Q721 HVTKRC107MT TR,KRC107M
Q722 HVTKRA107MT TR,KRA107M
Q723 HVTKRA107MT TR,KRA107M
Q724 HVTKRC107MT TR,KRC107M
Q731 HVTKRA107MT TR,KRA107M
Q732 HVTKRA107MT TR,KRA107M
Q733 HVTKRA107MT TR,KRA107M
Q735 HVTKRA107MT TR,KRA107M
Q736 HVTKRA107MT TR,KRA107M
Q737 HVTKRA107MT TR,KRA107M
Q738 HVTKRC107MT TR,KRC107M
Q741 HVTKRA107MT TR,KRA107M
Q751 HVTKRC107MT TR,KRC107M
Q771 HVTKSB811YT TR,KSB811Y
Q772 HVTKSB811YT TR,KSB811Y
Q773 HVTKSD1021YT TR,KSD1021Y
Q774 HVTKSD1021YT TR,KSD1021Y
S701 CST1A012ZT SW,TACT
S702 CST1A012ZT SW,TACT
SW71 HSR4A003Z SW,ROTARY
SW72 HSR2A006Z VR,ENCODER
SW91£KSH1A001ZV SW,PUSH
VR31 BVV2X01C104Y R,VARIABLE
VR32 BVV2X01C104Y R,VARIABLE
VR33 BVV2X03B104Y R,VARIABLE
VR74 CVV9Y09A104Z VOLUME,MOTOR
X701 HOX04194E120C CRYSTAL
−9−

AMP PCB ASSY
REF.NO. PARTSNO. DESCRIPTION
COP11713B AMPPCBASSY
CUP11713Z AMPPCB
CMY2A126 HEATSINK
C906£HCETSMK63V472 C,ELECT4700UF63V
C907£HCETSMK63V472 C,ELECT4700UF63V
C927£HCEA1EH102E C,ELECT1000UF25V
C928£HCEA1EH102E C,ELECT1000UF25V
CN51 KJP05GA01ZM WAFER
CN72 CJP09GA19ZY WAFER,9PIN
D505 HVDMTZJ15BT DIODE,ZENERMTZJ15BT
D506 HVDMTZJ15BT DIODE,ZENERMTZJ15BT
D543 HVD1SS133MT DIODE,1SS133
D544 HVD1SS133MT DIODE,1SS133
D545 HVD1SS133MT DIODE,1SS133
D546 HVD1SS133MT DIODE,1SS133
D901£HVDPBPC604F DIODE,BRIDGEPBPC604F
D902£HVDW02GF DIODE,BRIDGEW02GF
D903£KVD1N4003ST DIODE,1N4003
D904£KVD1N4003ST DIODE,1N4003
D931 HVDMTZJ13BT DIODE,ZENERMTZJ13BT
D951 HVDMTZJ13BT DIODE,ZENERMTZJ13BT
D961 HVD1SS133MT DIODE,1SS133
ET01 CNE75 PLATE,EARTH
F901 KJCFC5S HOLDER,FUSE
F902 KJCFC5S HOLDER,FUSE
IC61£HVIMC7805C IC,MC7805
JK51 CJJ5P011Z TERMINAL,SPEAKER
JK52 CJJ4N033Z JACK,BOARD
L537 CLEYK1R8KA COIL
L538 CLEYK1R8KA COIL
OL66£KJJ7A021Z ACOUTLET,230V1P
PW91 KJP03GA90ZM WAFER
PW92 KJP03GA01ZM WAFER
PW93 KJP02GA89ZM WAFER
PW94 KJP02KA060ZY WAFER
Q491 HVTKTC2874BT TR,KTC2874B
Q492 HVTKTC2874BT TR,KTC2874B
Q501 HVTKSA992FT TR,KSA992F
Q502 HVTKSA992FT TR,KSA992F
Q503 HVTKSA992FT TR,KSA992F
Q504 HVTKSA992FT TR,KSA992F
Q513 KVTKSC2785YT TR,KSC2785Y
Q514 KVTKSC2785YT TR,KSC2785Y
Q515 KVTKSC2785YT TR,KSC2785Y
Q516 KVTKSC2785YT TR,KSC2785Y
Q517£HVTKTC2026Y TR,KTC2026Y
Q518£HVTKTC2026Y TR,KTC2026Y
Q529£HVTKSC2316YT TR,KSC2316Y
Q530£HVTKSC2316YT TR,KSC2316Y
Q531£HVTKSA916YT TR,KSA916Y
Q532£HVTKSA916YT TR,KSA916Y
Q533£HVTKTD998O TR,KTD998O
Q534£HVTKTD998O TR,KTD998O
Q535£HVTKTB778O TR,KTB778O
Q536£HVTKTB778O TR,KTB778O
AMP PCB ASSY
REF.NO. PARTSNO. DESCRIPTION
Q541 KVTKSA1175YT TR,KSA1175Y
Q542 KVTKSA1175YT TR,KSA1175Y
Q545 HVTKRA107MT TR,KRA107M
Q903 KVTKSC2785YT TR,KSC2785Y
Q904 KVTKSA1175YT TR,KSA1175Y
Q905 KVTKSA1175YT TR,KSA1175Y
Q906 KVTKSC2785YT TR,KSC2785Y
Q907£HVTKSA916YT TR,KSA916Y
Q908£HVTKSC2316YT TR,KSC2316Y
Q931 HVTKRA107MT TR,KRA107M
Q932£HVTKSC2316YT TR,KSC2316Y
Q933 HVTKRC107MT TR,KRC107M
Q941 HVTKRC107MT TR,KRC107M
Q942£HVTKSA916YT TR,KSA916Y
Q943 HVTKRA107MT TR,KRA107M
Q961 HVTKRA107MT TR,KRA107M
Q962 HVTKRC107MT TR,KRC107M
R531£CRG1ANJ181H R,METAL1801W
R532£CRG1ANJ181H R,METAL1801W
R533£CRF5EKR22 R,CEMENT0.225W
R534£CRF5EKR22 R,CEMENT0.225W
R535£CRF5EKR22 R,CEMENT0.225W
R536£CRF5EKR22 R,CEMENT0.225W
R761£CRG1ANJ391H R,METAL3901W
R762£CRG1ANJ391H R,METAL3901W
R921£KRQ1AJR47H R,FUSE0.471W
R922£KRQ1AJR47H R,FUSE0.471W
R961£KRD50FJ100T R,CARBON101/2W
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TW91 KJP02KA060ZY WAFER
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