Technics RS-AZ6 User manual

ORDER NO. AD9602020A2
Service Manual
Stereo Cassette Deck
*
DOLBY B»C NR HX PRO
Cassette Deck
RS-AZ6
Colour
(K)...Black Type
Area
Please file and use this manual together with the service manual for
Model No. RS-AZ7, Order No. AD9601017C2.
V.___ J
Note: • This service manual is provided to indicate the main differences
between the original model No. RS-AZ7 (E) and the subsequent model
No. RS-AZ6 (E, EB, EG).
Suffix for
Model No.
Area
Colour
(E)
Europe.
(K)
(EB)
Great Britain.
(EG)
Germany and Italy.
* Dolby noise reduction and HX Pro headroom extension
manufactured under license from Dolby Laboratories
Licensing Corporation. HX Pro originated by Band and
Olufsen. “Dolby", the double-D symbol and “HX PRO”
are trademarks of Dolby Laboratories Licensing
Corporation.
CHANGES
■ S P ECIFICATIONS
RS-AZ7 (E) RS-AZ6 (E, EB, EG)
■ General
mm
■ General
Power consumption
26W
Power consumption
25W
Weight
4.2kg
ha
Weight
3.9kg
■ CHANGE IN REPLACEMENT PARTS LIST (RS-AZ7 Service Manual of pages 56—60.)
Notes: • Mentioned in this parts list is only those different from Model No. RS-AZ7 (E). All other parts are the same as for
RS-AZ7 (E).
• Important safety notice:
Components identified by A mark have special characteristics important for safety.
Furthermore, special parts which have purposes of fire-retardant (resistors), high-quality sound (capacitors), low-noise
(resistors), etc. are used.
When replacing any of components, be sure to use only manufacture’s specified parts shown in the parts list.
• The parenthesized indications in the Remarks columns specify the areas. (Refer to the cover page for area.) Parts
without these indications can be used for all areas.
Change of Part No.
Part Name & Description
Remarks
INTEGRATED CIRCUIT(S)
IC4
AN6558SFE2
—
BUFFER AMP Deletion ;
TRANSISTOR(S)
Q101-104
2SK369GRTPE2
—
TRANSISTOR
Deletion
Q105, 106
2SB709QRSTX
—
TRANSISTOR
Deletion
Q107, 108 2SD601QRSTX
—
TRANSISTOR
Deletion
Q109 DTC144EKT147
—
TRANSISTOR
Deletion
©1996 Matsushita Electric Industrial Co., Ltd.
All rights reserved. Unauthorized copying and
distribution is a violation of law.
Technics"

RS-AZ6
A WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public. It
does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to
service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.
Ref. No.
Change of Part No.
RS-AZ7 (E)
quo
DTA114EKT147
Q201 2SD2037EFTA
Q251
2SK330GRYTA
Q703-705 DTA114ESTP
DIODE(S)
D201 MA700
D202 MTZJ8R2CTA
D250, 251 MA110TX
D252
MA8043MTX
1C PROTECTOR(S)
SRUN10 ICP201
LAMP(S)
PL701
XAMR136S
SWITCH(ES)
CONNECTOR(S) AND SOCKET(S)
CN102 REX0784
CPI 02 RJP2G17ZA
JACK(S)
JK1 SJF3069A
RESISTOR(S)
R101.102 ERJ6GEYJ272V
R103, 104 ERJ6GEYJ102V
ERJ6GEYJ472V
ERJ6GEYJ272V
ERJ6GEYJ102V
ERJ6GEYJ223V
ERJ6GEYJ102V
ERJ6GEYJ103V
ERJ6GEYJ681V
ERDS2TJ102
ERDS2TJ101
ERJ6GEYJ102V
ERJ6GEYJ563V
R252 ERJ6GEYJ105
ERJ6GEYJ102V
R471.472 ERDAS3G102T
ERDAS3G152T
ERDAS3G103T
R105,106
R107, 108
R127, 128
R129, 130
R131
R132-138
R251
R252
R253
R471,472
R473, 474
R481,482
R507
R523, 524
MA8062MTX
S710
EVQ21405R
S718
RSS3A18YA-H
SJF3069N
Part Name & Description
Remarks
TRANSISTOR Deletion
TRANSISTOR Deletion
TRANSISTOR Deletion
TRANSISTOR
E
E
DIODE
DIODE
1C PROTECTOR
PLAY DIRECT
PLAY TIMER REC
CONNECTOR ASS’Y (2P)
CONNECTOR (2P)
TERMINAL BOARD: REC/PLAY
ERDS2TJ223
ERDS2TJ103
Deletion
Deletion
A Deletion
Deletion
A Deletion
Deletion
Deletion
Deletion
Deletion
Deletion
Deletion
Deletion
Deletion
Deletion
Deletion
Deletion
Deletion
Deletion
Deletion
Deletion
Deletion
Deletion
Deletion
Deletion
Deletion
Deletion
Deletion
Addition
Addition

RS-AZ6
Part Name & Description
Remarks
RS-AZ7 (E) m
R719
ERDS2TJ682T
—
1/4w 6.8k£4
Deletion
R725 ERDS2TJ222
—
1/4w 2.2kQ Deletion
R726 ERDS2TJ332
—
1/4w 3.3kQ
Deletion
mam
ERDS2TJ472
—
1/4w 4.7kQ
Deletion
R728
ERDS2TJ331
—
1/4w 330Q
Deletion
R729,730 ERDS2TJ181T
—
1/4w 180Q Deletion
| CHIP JUMPER(S)
RJ 14
ERJ6GEY0R00V —
CHIP JUMPER Deletion
RJ 17 ERJ6GEY0R00V
—
CHIP JUMPER
Deletion
RJ 20-22
ERJ6GEY0R00V
—
CHIP JUMPER Deletion
RJ 27, 28
ERJ6GEY0R00V
—
CHIP JUMPER
Deletion
RJ 30, 31 ERJ6GEY0R00V
—
CHIP JUMPER
Deletion
RJ 33-37
ERJ6GEY0R00V
—
CHIP JUMPER
Deletion
RJ 39
ERJ6GEY0R00V
—
CHIP JUMPER
Deletion
CAPACITOR(S)
Cl 01, 102
ECUV1E183KBN
—
25V 0.018pF
Deletion
Cl 17 RCE0JKS101IV
—
6.3V lOOpF Deletion
C201
ECBT1E103ZF
—
25V 0.01 pF
Deletion
C256
—
ECUV1H103ZFN
50V 0.01 pF Addition
C473, 474 ECBT1H471KB5
—
50V 470PF Deletion
C475, 476
ECA1CPXS100B
—
16V lOpF
Deletion
C601 ECA1EM472E
ECEA1EU222
25V 2200pF
CABINET AND CASSIS
3 RYF0371-K RYF0399-K CASSETTE LID ASS’Y
5
RGR0230A-B
RGR0230A-D REAR PANEL (E, EG)
RGR0230A-E REAR PANEL
(EB)
13
RFKGSAZ7EK
RFKGSAZ6EK FRONT PANEL ASS’Y
15
RGL0307-Q
—
PANEL LIGHT, HALF
Deletion
16
RGL0308-Q
—
PANEL LIGHT, PLAY Deletion
17 RGL0309-Q
—
PANEL LIGHT, DIRECT Deletion
20
RGU1317-K RGU1317A-K
BUTTON, OPERATION
22 RGV0112-K
—
KNOB, TIMER
Deletion
25
RHD26017 XTBS26+8J SCREW
26
RHD26018
RHD26016 SCREW
28
RKQ0190-K
—
CASSETTE HOLDER
Deletion
32 RMG0410-K
—
SPACER (A) Deletion
33
RMG0411-K
—
SPACER (B) Deletion
34 XTB3+12GFY XTB3+12JFZ SCREW
35 XTW2+6S
—
SCREW Deletion
41
—
RHD20034 SCREW Addition
MECHANISM PARTS
102 RKF0334-K RYF0263-K CASSETTE HOLDER ASS’Y
102-1
—
RUS757ZA SPRING, TAPE PRESSURE
Addition
115 RGQ0121-K
—
LIFTER Deletion
123
RDG0212A
—
LIFT ARM Deletion
132 RMQ0401
—
STABILIZER
Deletion
133 RML0275A
—
LIFT GEAR
Deletion
144
RMB0324
—
SPRING, STABILIZER Deletion
— 3 —

RS-AZ6
Ref. No.
Change of Part No.
Part Name & Description Remarks
RS-AZ7 (E) m
PACKING
VIATERIAL
PI RPG2956
RPG2958 PACKING CASE
(E, EG)
RPG2959
PACKING CASE (EB)
P2
RPN0956
RPN0979
CUSHION (EB)
P6
—
RPH0032
MIRROR SHEET
(EB) Addition
ACCESSORIES
A1
RFKSSAZ7EK
RQT3434-B INSTRUCTION MANUAL
(EB)
RQT3433-D INSTRUCTION MANUAL
(EG)
A4
RJA0019-2K
RJA0049-K AC POWER SUPPLY CORD
(EB) A
■ SCHEMATIC DIAGRAM
(This schematic diagram may be modified at any time with the development of new technology.)
Notes: Caution!
• S701 . Stop switch ( ■ )• IQ anc | LSI are sensitive to static electricity.
• S702: Playback/Record switch ( ► ). Secondary trouble can be prevented by taking care during repair.
• S704: Fast-forward search switch ( ► ► TPS). , Cover the parts boxes made of plastics with aluminum foil.
• S705: Rewind search switch (44 TPS). B Ground the soldering iron.
• S706: Recording/Pause switch (REC PAUSE). # Put a conductive mat on the work table.
• S707: Automatic-record-muting switch (O AUTO REC MUTE). • Do not touch the pins of 1C or LSI with fingers directly.
• S708: Cassette holder open/close switch (A OPEN/CLOSE).
• S709: Monitor switch (MONITOR).
• S711 : Power “STANBY (!) /ON" (POWER STANBY (!) ON) switch.
• S712: Counter reset switch (COUNTER RESET).
• S713: Memory stop switch (MEMORY STOP).
• S714: Multiplex filter switch (MPX FILTER).
• S715: Dolby noise-reduction switch (DOLBY NR).
• S71 6 : Auto tape calibration switch (ATC).
• S851 : Cassette holder open detection switch in “off’ position.
• S852: Cassette holder close detection switch in “off’ position.
• S971 : Mode switch in “off position.
• S972: Half switch in “off position.
• S973: ATS (CrOz) switch in “off position.
• S975: Forward rec. inhibit switch in “off position.
• S976: ATS (Metal) switch in “off position.
• Resistance are in ohms (Q), 1/4 watt unless specified otherwise.
1K=1,000 (Q), 1M=1,000k (Q)
• Capacity are in micro-farads (pF) unless specified otherwise.
• All voltage values shown in circuitry are underno signal condition and playback mode with volume control at minimum position otherwise specified.
( ).Voltage values at record mode.
For measurement us EVM.
• Important safety notice:
Components identified by & mark have special characteristics important for safety.
When replacing any of components, be sure to use only manufacturer’s specified parts.
• (- (+B)— — ) indicates +B (bias).
• (—— (-B)——) indicates-B (bias).
• ( ssae|pi- ) indicates the playback signal.
• ( <=[> ) indicates the recording signal.
• The supply part number is described alone in the replacement parts list.
Part No.
Production Part No. Supply Part No.
IC701
M5218AL M5218L

C621
10V470

MAIN CIRCUIT ( P C.Board:on page 18)
R479

ToQOPERATION circuit
(W701) on page 10

RS-AZ6

RS-AZ6
OPERATION CIRCUITS ,C.Board:on page 17)
— 10 —