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ELECTRICAL
MAIN PARTS
Description
< POWER CIRCUIT BOARD SECTION >
PCB-A
82-397-610-11
< POWER SECTION >
Q1,2,3
D1
D2
D3,4,5
R1,8
R2
89-313-647-01
87-027-163-01
87-027-212-01
87-027-083-01
87-029-016-01
87-029-027-01
< BIAS OSC SECTION
>
CP1
L151,152
_ 7T0151,152
82-372-658-01
82-371-644-01
87-01 1-079-01
< AUTO STOP SECTION >
Q51
Q52,53,54
D51
052,53
D54,55,56,59
057
89-206-052-01
89-309-455-71
87-027-083-01
88-052-188-01
87-027-097-01
87-026-069-01
< TIMER START SECTION
>
Q101
89-405-712-01
Q102,103,104,)
89-309-455-71
105
D101
D102
87-027-083-01
87-027-097-01
Power circuit board
Transistor,
25C 1364 (7)
Bridge diode, 1B4B1
Zener diode, RD24EC
Diode, 181885
< Resistors >
222
1/2W
Fuse resistor
4702
1/2W
Fuse resistor
Bias OSC unit
Bias OSC coil, 22mH
Trimmer, 30pF
Transistor, 25B605 (L)
Transistor, 2SC945L (K, P, Q)
Diode, 181885
Diode, 18188 (FM)
Diode, 181555
Zener diode, WZ-052
Transistor, 2SD571
(L)
Transistor, 2SC945L (K, P, Q)
Diode, 151885
Diode, 151555
<MAIN CIRCUIT BOARD SECTION >
PCB-B
82-397-652-01
< REC/PB SECTION
>
Q1,2
Q3,4
Q5,6,7,8,9,10,
11,12
Q13,14
D1,2
D3,4,5,6,7,8
T1,2
$1
$2,3,6,8
SFR1,2,3,4
SFR5,6
R27,28
C7,8,17,18
C21,22
C15,16
C23,24
< PEAK INDICATOR SECTION
89-316-816-01
89-312-222-01
89-309-456-71
89-313-647-01
87-027-122-01
88-05 1-060-01
82-370-610-01
87-031-390-01
82-397-641-01
87-021-498-01
87-021-493-01
82-380-664-01
87-015-246-01
87-015-261-01
87-015-200-01
82-380-661-01
Main circuit board
Transistor,
2SC 1681 (BL)
Transistor, 25C1222 (E)
Transistor, 2SC945L (K, P)
Transistor, 2SC1364 (7)
Zener diode, 02Z6.2A
Diode, 1N60 (FM)
Matching transformer
Slide switch (REC/PB)
Push switch ass'y (A)
(INPUT SELECTOR,
DOLBY-NR METER,
MEMORY)
Semi-fixed resistor, 47kQ-B
Semi-fixed resistor, 1kQ-B
< Resistor >
31.6k2
1/4W
+5%
< Capacitors >
4.7F
25V
LL
0.33uF
35V
Tantalum
10yuF
16V
Tantalum
0.0039nF
PP
>
< MUTING SECTION
>
Q151,152,153, | 89-402-275-01
154
Q155
D151
D152
89-309-456-71
87-026-066-01
88-052-188-01
Description
Transistor, 2SD227 (V)
Transistor, 2SC945L (KP)
Diode, M8513A
(O)
Diode, 18188 (FM)
"<< REMAINING
TAPE INDICATOR
SECTION
>
1C201
Q201
D201,203,204
D202
D205
SFR201
SFR202
R212
C202
C204
87-027-214-01
89-309-455-01
87-027-097-01
87-027-213-01
87-027-211-01
87-021-496-01
87-021-495-01
87-029-020-01
87-015-242-01
87-019-080-01
IC, uPC 1458
Transistor, 2SC945L (Q)
Diode, 181555
Zener diode, 052100
Zener diode, RD3.9EC
Semi-fixed resistor, 10k2-B
Semi-fixed resistor, 4.7kQ-B
< Resistor >
1802
1/2W
Fuse resistor
< Capacitors >
2.2uF 50V)
LL
uF
= 35V)
Tantalum
< DOLBY CIRCUIT BOARD SECTION >
PcB-C,D
1C1
D1
LPF1
R2
C1
C6
c2
c7
82-385-650-11
87-027-151-01
88-051-060-01
82-397-634-01
87-032-640-01
82-371-652-01
87-015-328-01
87-371-643-01
82-371-642-01
82-371-641-01
Dolby circuit board
IC, NE545B
Diode, 1N60 (FM)
Low pass filter (MPX UNIT)
Pin, 10p
< Resistor >
3.3k2
+1%
< Capacitors >
0.22uF
50V
LL
4700pF
PP
5600pF
PP
0.027uF
PP
< BIAS/EQ SWITCH CIRCUIT BOARD SECTION >
PCB-E
Qi~9
D1
L1,2
L3,4,5,6
VR3,4
$4.5
SFR1,2,3,4,
5,6
82-397-653-01
89-309-455-61
87-026-066-01
82-385-636-01
82-385-634-01
82-397-636-01
87-031-388-01
87-021-498-01
Bias/EQ switch circuit board
Transistor, 2SC 945 (K, P)
Diode, M8513A (O)
Coil, 6.8mH
Coil, 4.7mH
Volume, 10k92-A
(OUT PUT LEVEL)
Lever switch (BIAS, EQ)
Semi-fixed resistor, 47k2-B
<MIC/PHONE JACK CIRCUIT BOARD SECTION >
PCB-F
J1,2,3
82-397-605-01
82-397-639-01
MIC/PHONE
JACK
circuit board
Jack ass''y (MIC, PHONES)
< LINE JACK CIRCUIT BOARD SECTION >
PCB-G
J5,6,7,8
82-397-662-01
82-399-609-01
LINE JACK circuit board
JACK ass'y (LINE IN,
LINE OUT)
< REC VOLUME CIRCUIT BOARD SECTION >
PCB-H
VR1,2
82-397-607-01
82-385-640-01
REC volume circuit board
Volume, 50k2-A
Description
< DME CIRCUIT BOARD SECTION >
PCB-J
82-397-625-01
DME1
82-397-642-01
DME circuit board
DM-101
< HALL IC CIRCUIT BOARD SECTION >
PCB-K
1C1
82-397-623-01
87-027-160-01
Hall IC circuit board
Hall IC, DN835
< DIN CIRCUIT BOARD SECTION >
PCB-L
82-397-654-01
J4
82-380-616-01
$18
82-380-610-01
DIN circuit board
DIN socket (DIN)
DIN switch
(FRONT/REAR)
< LAMP CIRCUIT BOARD SECTION >
PCB-M
PL1,2
82-397-622-01
82-380-705-01
Lamp circuit board
Lamp 8V 55mA
(DOLBY-NR, RECORD)
< LED CIRCUIT BOARD SECTION >
PCB-N
82-397-624-01
D1
87-026-086-01
D2
87-026-083-01
LED
circuit board
Light emitting diode (ORG)
Light emitting diode (RED)
<PLAY MUTING CIRCUIT BOARD SECTION >
PCB-O
82-397-609-01
$7
87-031-239-01
Play muting circuit board
Slide switch (PLAY MUTING)
< FUSE CIRCUIT BOARD SECTION > = UK model only
PCB-P
82-397-650-01
F1
87-035-131-01
87-098-006-01
F2
87-035-183-01
87-098-003-01
87-032-744-01
$16
87-031-343-01
< MISCELLANEOUS >
v1
82-397-629-01
T1
82-397-630-01
RPH
82-372-676-01
EH
87-046-088-11
LEVEL
DIAGRAM
e@
Playback
f =400Hz
0dB=1V
Fuse circuit board
Fuse, 100mA "T""
Fuse label, 100mA "T"
Fuse, 50mA
"T"
Fuse label, 50mA "T"
Fuse clamp
Slide switch
(VOLTAGE SELECTOR)
Power transformer
(EE model only)
Power transformer
(UK model only)
Rec/Pb head
Erase head
Symbol No.
Part No.
Description
M, PCB-Q
PL1
SOL1,2
LM1
LM2
JQ
|
$9,11,12,13
$14
S15
S16
$17
$19
Fi
F2,3,4
F3,4,5
F5
F6
r
NF 20dBj—
2 —22dB(79mv)
4 —7.7¢4B
(411mv)
> —2.2dB(775mV )
6 —18.4dB(120mv)
82-397-643-01
82-397-646-01
82-397-633-01
82-397-644-01
82-397-645-01
87-032-849-01
87-031-362-01
87-031-363-01
87-031-382-01
87-031-364-01
82-467-671-01
87-031-377-01
87-035-067-01
87-098-006-01
87-035-144-01
87-035-145-01
87-098-010-01
87-035-075-01
87-098-013-01
87-035-134-01
87-098-013-01
82-397-660-01
82-397-661-01
-~® —32dB
(25mv)
} —75dB
(0.18mV)
@
@5
Motor ass'y
Pilot lamp 8V 50mA
(CASSETTE)
Solenoid (AUTO STOP,
TIMER START)
Level meter A
(LEFT LEVEL)
Level meter B
(RIGHT LEVEL)
Jack 2.5@ (PLAYER SYNC)
Micro switch (PAUSE,
REWIND CUE/REVIEW,
MUTING, MOTOR)
Micro switch
(BIAS MUTING)
Push switch (POWER)
Slide switch (VOLTAGE
SELECTOR)
(EE model only)
Slide switch (DIN OUT)
Micro switch (CrO, AUTO)
Fuse, 100mA "'T"
(EE model only)
Fuse label, 100mA "T"'
(EE model only)
Fuse, 250mA "T"'
(EE model only)
Fuse, 250mA
"T"
(UK model only)
Fuse label, 250mA
"T"'
Fuse, 500mA "T"'
(EE model only)
Fuse label, 5|00mA "T"'
(EE model only)
Fuse, 500mA "T"'
(UK model only)
Fuse label, 500mA
"'T"'
(UK model only)
Fuse holder, 4P
{UK model only)
Fuse holder, 5P
(EE model only)
e@
Recording
IC BLOCK
DI
Hall Cell
IC BLOCK
DIA'
AC 120/240V
50/60Hz
=P
St CoC
oi RN
oe
LINE
Za
© —70c$ B(0.3mV)
;®
LING
re 01
03
Q101,103
89-309-455-61 | Transistor, 2SC945L (P, Q)
Q102,104
89-309-456-71 | Transistor, 2SC945L (K, P)
ek
as
i
D101,102
88-051-060-01 | Diode, 1N6O (FM)
<LH BIAS VOLUME CIRCUIT BOARD SECTION >
© fee
ic I]
SFR101
87-021-497-01 | Semi-fixed resistor, 22k2-B
PCB-I
82-397-608-01 | LH Bias volume circuit board
|
48
'
VRS
82-397-637-01 | Volume, 1k-B (LH BIAS
Fog [PHONES]
DIN Jack
FINE)
2
"
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