Fisher PH 415K User manual

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~---.YII
-----J SERVICE MANUAL 1-----------=,--------
~FISHER
PH4
PORTABLE HIGH FIDELITY STEREO
RADIO/CASSETTE RECORDER
The first name in high fidelity
us

SPECIFICATIONS-----------------------
Power Source
AC .............................
DC ............................
Output Power ............
Power Consumption..
Recording System ....
Erasing System .. .. .
Tape Speed .........
Fast Forward Time
RewidTime ...
Wow & Flutter ................
Frequency Response ... .
.....AC120/210/240V, 60Hz
.12V(UM-1. D Cell. HP2,
A20, Monozellen x 8)
.......4.0 W X 2 (10%)
....... 25W
..... AC Bias
........... AC Erasing
........4.75 cm/sec. ±3%
.110sec.(C-60 cassette)
. 11 0sec.(C-60 cassette)
.0.06 % WRMS
.......60 -12500Hz
Signal to noise Ratio...............DOLBY NA ON Betterthan 60 dB
DOLBY NA OFF Better than 50 dB
Hum & Noise ...............................Less than 45 dBs
Crosstalk...... .. .............Better than 55 dB
Channel Separation ...............Better than 50 dB
Terminal Impedance
MIC ..
Ext. Speaker
Headphone .........
Frequency Range
MW......
........ ... 3.3 k ohms
.......8 ohms
..8 ohms
......530 -1.605 kHz
............2.3 -7.0 MHz
SW,
SW, .
FM ... ................... .7.0 -22.0 MHz
............................88 -108 MHz
ALIGNMENT PROCEDURES:----------------------
FM ALIGNMENT Standard
test frequency 400 Hz and deviation 22.5 kHz
Connections Frequency
Tunmg Dial
Adiustment Remarks
Step Alignment
of Signal
INPUT OUTPUT
Generator
Setting
Calibration Place ouptut of Connect
input
/\
gene-scope on
terminal of gene-
Turn
1 of
Trap COll(L3)
scope to 10.7 MHz
Lowest end
T1,T2
AMY
IF
TP1
TP2
marker
2 Cahbration
Connect signal
Connect VTVM with 87.45 MHz
L4 Obtain sme-curve
of
generator to antenna
4 ohm dummy load
and maximum amplitude.
L--
Tuning Range terminal
(J 1)
and oscilloscope to
3 through dummy
speaker
108.25 MHz Highest end CT2
(PVC)
·t@
4 Adjustment antenna. terminal. 90 MHz 90 MHz
L1
-of
5 Tracking 106 MHz 106 MHz
CT1 (PVC)
6 Repeat the above adJustments
Use a screwdriver Wtlh plastic grip for all adJustment
MW ALIGNMENT Standard test frequency 400 Hz and
modulation 30% at AM
Connections
Frequency Tuning Dial
Step Alignment INPUT OUTPUT of Signal Setting Adjustment Remarks
Generator
Calibration Connect standard
Obtain symmetncal curve
1 of IF loop antenna to Connect
VTVM with
and maximum amplitude.
for AM
output terminal cf
4 ohm dummy load
M1x(l:\'\
Adjustment gene-scope.
and oscilloscope to
455 kHz Lowest
T3 and T4
2 of Place bar antenna
Ext speaker end
IF Gain 60
cm away from terminal
~
loop antenna z
3 Calibration Connect standard 515 kHz L10 Obtain sine·wave of 400
Hz
L---
ot loop antenna to
Connect VTVM with
and maximum amplitude
4 Tuning Range output of signal 4 ohm dummy load 1620 kHz Highest end CT3
~~
generator.
and oscilloscope 10
5 Ad1ustment Place bar antenna Ext. speaker 600 kHz 600 kHz
L7
~
ot 60
cm away from terminal.
(MW bar ant
COIi)
6 Trackmg
loop antenna 1400 kHz 1400 kHz
en
7 Repeat the above ad1ustments
-1-
•
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ALIGNMENT PROCEDURES---------------------
sw1 ALIGNMENT
Connections
Frequency
Tuning Dial
Step Alignment of Signal
INPUT OUTPUT Generator Setting
1 Calibratlon
of
Connect signal
Tuning Range 2.25 MHz
Lowest end
-
generator to
Connect VTVM with
2 terminal (J1) 4 ohm
dummy load 7.2 kHz Highest end
lhrough dummy
and oscilloscope to
3
Adjustment
antenna.
Ext speaker 2.5 MHz 2.5 MHz
-of
terminal.
4 Tracking
5 Repeat the above adjustments .
SW2 ALIGNMENT
Connections Frequency Tuning Dial
Step Alignment INPUT OUTPUT of Signal Setting
Generator
1 Calibration
Connect signal Connect VTVM with 6.8 MHz Lowest end
-
of
generator to 4 ohm dummy toad
2 Tuning Range
antenna terminal
and oscilloscope to
23 MHz Highest
3 Adjustment through
dummy
f---
of
antenna .
4 Tracking
5 Repeal the above adJustments.
FM MPX ALIGNMENT
Ext. speaker 7 MHz 7 MHz
terminal.
SWdummy IT:- Jt
antenna OQ
---:;;.,,
Connections
Adjustmenl
Remarks
Obtain sine-wave of 400Hz
L9
and maximum amplitude.
CT4
ME@)
L6
AdJustment
Remarks
L8
Obtain sine-wave of 400 Hz
and maximum amplitude.
CT8
·E@J
LS
Tuning Dial
Step Alignment INPUT OUTPUT Setting Adjustment
Remarks
FM Connect TP2
Connect Frequency
1 stereo to the GND. counter to TP3
-
SVR1
Obtain 19 kHz on the frequency
12 PIN (IC2):
counter .
CASSETTE AMP ALIGNMENT
No Alignment Setting
Instrument Connection AdJusted component Ad1ustment
1 Playback NORMAL, VTVM, test TP402-GND SVR401 580mV
level
Playback tape MTT150, (TP502-GND) (SVR501)
2 osc NORMAL, BEAT frequency R422 L404 60kHz±0 .tkHz
lrequency CUT (1)
counter,
3 Bias level
NORMAL, VTVM TP401·GND SVR403
4mV±0.1mV
CUT(t)
(TP501 •GND) (SVR503)
4 Repeat steps 2 and
3.
NORMAL, TP401•GND SVR402
5 Record level VTVM (TP50t-GND) 550,,V
Record mode,
at osc Stop (SVR502)
Note) ) right channel
-2-

ALIGNMENT PROCEDURES---------------------
INSTRUMENTS TAPE SPEED ADJUSTMENT
Audio Signal generator two VTVM's, Frequency Counter, and Test
Tape MTT -1 14, MTT-11 ,. MTT-150 or TDK AD
PRILIMINRY
Load test tape MTT-111 which has been recorded with a 3,000
Hz test signal
2. Place the FUNCTION SELECT switch 1n the TAPE pos1t1on •
remove the cabmet to access the need and other adjusting parts
3 Connect the frequency counter to the LEFT EXT SP Jack in
parallel with the VTVM
HEAD AZIMUTH ADJUSTMENT
1 Press STOP/EJECT Bullon to open the casselle case
2 Grasp the sides of the casselle case hd and pull it up to remove
the lid
3. Load test tape MTT-114 in the casselle case and close 11
4 Place the FUNCTION SELECT switch 1n the TAPE position
5 Connect a VTVM to the LEFT EXT SP Jack, and another VTVM to
the RIGHT EXT SP Jack
VTVM (MAX)
~L
·e· ,, ... o~ __ ,,.,o
Frequency counter
3kHz ± 60Hz
L
4 ohm (2W)
Dummy load
4 Place the tape deck 1n the play mode.
SPEAKERS
b~,,JL
'MIN4Q
V[lTVM (MAX) f SPEAKERS
e 4 ohm (2W) ' 'MIN
4Q
Dummy Load L
6 Place the tape deck 1n the play mode
5. Remove the label on the back of the motor and adJuSI the tnm
pot 1n the motor for 2,940 Hz to 3,060 Hz reading on the fre-
quency counter Cover the adjustment opening with a piece of
adhesive tape after the ad1ustment 1s completed
AdJust the head azimuth adJusting screw for maximum playback
output on the VTWM's
MECHANICAL ADJUSTMENT
Can not be done.
ITEM MODE
Pinch roller
adjustment Playback
Take-up torque
adjustment Playback
Fast-forward and F.F
rew1nd1ng torque
or
adJustment rewind
Wow and fluller
JIS weighted Playback
SPEC
MEASUREMENT METHOD
Hook the spring gauge to pinch roller metal and pull 11 away
300"v500 from the capstan
gr Measure the pressure the moment the pinch roller comes 1n
contact with the capstan and the pinch roller starts rotatmg
4Q"v70
Mount the cassette torque meter in the same way as the
casselle tape.
gem
The take-up torque 1s shown on the torque meter
Mount the cassette torque meter m the same way as the
55"v150 casselle tape
g.cm
The F.Forward and rewind torque 1s showh on the torque meter.
0.1%
Play back 3kHz (lset) tape and read with the wow meter
Pinch roller
Fig-1
-3-
REMARKS
See
figure 1
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PARTS LIST(CASSETTE MECHANISM\..-------------------
Key
No.
1
2R
2L
3
4
5
6
7
8
9
10
11
12
13
14
15
16
18
19
20
21
22
23
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
60
61
62
63
65
69
70
PART No. DESCRIPTION
O'ty
CASSETTE MECHANISM (R-S97106)
ATN-1715 01 501
ATN-1715 01 08
ATN-1715 01 07
ATN-1715 01 09
ATN-1710 01 10
ATN-1715 02 501
ATN-1715 02 02
ATN-1715 02 12
ATN·1710 02 01
ATN-1715 02 04
ATN-1715 02 13
ATN-1559 03 06
ATN-1710 03 501
ATN-1710 03 06
ATN-1710 03 301
ATN-1710 03 302
ATN-1710 03 16
ATN-1710 03 22
ATN-1710 03 18
ATN- 940 03 12
ATN-1710 03 19
R-S07411
R-S07412
ATN-1710 04 301
ATN-1715 09 301
ATN-1715 09 302
ATN-1715 09 03
ATN-1715 10 301
ATN-1715 05 302
ATN-1710 05 02
ATN-1710 05 06
ATN-1710 05 04
ATN-1710 05 09
ATN-1520 13 04
ATN-1200 12 01
ATN-1240 09 058
ATN-1710 06 03
ATN-1715 06 303
ATN-1715 23 06
ATN-1715 23 05
ATN-1710 11 03
ATN-1715 20 510
ATN-1715 20 503
ATN-1715 20 02
ATN-1715 20 05
ATN-1222 17 02
ATN-1715 20 06
ATN-1700 09 35
ATN-1715 20 14
ATN-1715 20 23
ATN-1715 20 24
ATN-1715 20 11
ATN-1715 20 13
ATN-1715 20 15
ATN-1510 09 28
ATN-1715 20 509
ATN•1715 20 25
ATN-1710 17 301
ATN-1710 17 302
ATN-1715 17 01
ATN-1715 22 501
ATN-1715 06 02
ATN-6401 01 36
ATN·6401 01 38
Chassis assembly
Cassetle holder R
Cassette holder L
Guide p,n
Guide pm cushion
REC play arm assembly
Sensing piece
Sensing piece spring
REC safety lever
REC safety lever spring
REC slide lever
REC slide lever spring
Head panel assembly
Pressuer spring
Take up idler assembly
Take up idler shaft assembly
Take up roller shaft spring
Panel press plate
Head base
Head spring
Collar
Record/Play head
Erase head
Pinch roller assembly
Take up reel assembly
Supply reel assembly
Back tention spring
RF clutch assembly
Flywheel capstan assembly
Flywheel metal
Flywheel melal plate
Flywheel guide
Damper spring
Motor rubber cushion
Collar screw, Motor
Main belt
Drive belt
Motor assembly
Eject stopper
Ejecl stopper spring
Coller
Push button lever
Push button flame
Push button base
Push button lever spring
Pause lever
Pause lever spring
Pause stopper
Function lever spring
Function lever spring.
Switch plale
REC stopper
RF stopper
Plate stopper
REC stopper spring
PAUSE button lever
Button function lever
Breake arm L assembly
Breake arm A assembly
Breake spring
Switch lever
Motor pulley
1
1
3
3
Switch 1
Swilch 2
Key
No.
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
112
302
303
304
305
306
308
309
311
312
310
314
315
316
317
318
319
320
321
322
323
325
326
327
328
329
324
PART No. DESCRIPTION
ATN·1715 19 02 Operation lever
shaft
ATN-1715 19 06
Operation lever
ATN-1715 08 16 Switching lever
ATN-1715 08 504 Sub chassis assembly
ATN-1715 21 14 Auto lever
ATN-1715 21 19 Auto lever sprmg
ATN-1715 08 03 Switch lever spring
ATN-1715 15 501 Lift arm assembly
ATN- 408 08 12 Lill arm spring
ATN-1715 14 06 M gear
ATN-1715 14 13 M gear spring
ATN-1715 14 503 M trigger arm assembly
ATN· 58 12 05 M trigger arm spring
ATN-1715 14 11 M trigger lever
ATN-1710 14 09 P gear
ATN-171514 14
P gear spring
ATN-1715 14 502 P
gear trigger arm assembly
ATN-1715 14 07 P gear trigger arm spnng
ATN-1715 12 504 FF G arm assembly
ATN-1715 12 15 FF. G. arm spring
ATN-171512 10 FF gear
ATN-1715 12 503 REW G. arm assembly
ATN-1559 14 12
REW G arm spring
ATN-171512 07 REW. gear
ATN-1715 21 13 Regurat1ng plate
ATN-1715 21 23 Regurating plale spring
ATN-1715 21 12
Sensing plate
ATN-1715 21 24 Sensing plate spring
ATN-1715 12 12 FF. lever
ATN-1715 12 17 FF. lever spring
ATN-1715 12 09 REW lever
ATN-1715 12 16 REW. lever spring
ATN-1715 21 16 Cam gear
ATN-1715 21 15 MP gear
ATN-1715 21 25 Bell
ATN-1715 01 16 Pack hold spring
ATN-1700 12 02 Collar screw
ATN-1710 11 16 Collar
Screw. Bind Hd . 2x4
Screw, Pan Hd., 2x4, S·t1ght
Screw, Pan Hd., 2x5. S-1,ght
Screw, Pan Hd., 2x6, S·t1ght
ATN-9077 00 00 Tap. Screw, Pan Hd.
With bind washer, 2x4
Screw, Pan Hd., 2x10
Screw, Pan Hd., 2x11
Screw, Bind Hd , 2.6x6. S-t,ght
Screw, Pan Hd, 2 6x4, S-llght
Screw, Pan Hd., 2x5
E ring, 2.0
E ring, 2.3
E ring. 3.0
E ring, 1.5
ATN-9420 00 00 Thrust washer, 12x3x0.25
ATN-9419 00 00 Thrust washer. 1.6x3.8x0.3
ATN-9377 00 00 Flat washer, Nylon, 2.5x7x0.5
ATN-9780 00 00 Thrust washer, 2.6x6x0.3
ATN-9732 00 00
Thrust washer, 2 1x5x0.4
Flat washer, Metal, 2. 1x5x0.2
ATN-9686 00 00
Tap. Screw, Pan Hd ., 2x3.5, S·t1ght
ATN-9654 00 00
Steel ball. 2.0
ATN-9748 00 00 Thrust washer, 2.5x4.7x0.13
ATN-9749 00 00 Thrust washer, 3.5x6x0.13
E ring, 1.2
Flat washer, Metal. 2.6x1Dx0.8
NOTES . 1. Part orders must conta in Model Number, Part Number and Description .
2. Ordering quantity of screws and/or resi sto rs must be multiple of 10 pcs.
- 4-
O'ty
1
5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
8
6
3
5
2
2
1
6
1
3
1
1
2
7
3
1
1
1
1
1
1
2
2
1
2

EXPLODED VIEW (GASSETTE MECHANISM
312
,-@
.
/ .
·~"° l~ .. l: . _j r"
~ '
. ~
79 • Q,._
~
9
70
~/
/w
- ~~
~~t 81
::3 ~ ~
8
-@ I
,.
¾26
~
-5-
70
310

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p SCHEMATIC DIAGRAM-----------------------~ •
ERASE
HEAD
It-CH
R/PHEAO
L-CH
R/P HEAD
0405 2S0863
IC401 M51542
-6-
~ ~
~ 6
S10-4
FUNCTION
IC402, 502 LMI II IC

i,
~
0416 SLP-I668
0417
SLP-I558
IC403
LBl4l5
LED
VEL
--
,
I
J30
,c
PIN
I 2 3 4 , 6 7 8
IC 401
rv> 0.9 <.4 3.7
<.2 0 1.3
0 1.2
IC402,502 rv> 2.7
2.8 2.7 2.8 2.7 2.9
2.8
2.8
2.9 ro
IC 403
rv,
0.7 0 0
8.9 2.8 2.8 0 0 7.4 7.4
040 I~ 404,501,502 2SC536 cs,3,
----,,cp"'1"'3,r.
D401,50I IS188AM
D402~405 D5442
I
-7-
0418
0SI35
0414 0442
0415 GZA l2Z
04l4 2S0863
MOTOR
NOTES
I. AU.. RESISTORS ARE V4W, UNLESS NOTED OTHERWISE
VALUES ARE IN OHMS. (k ■ K>
3
, M•I0
6)
2. AU. CAPACITOR VALUES ARE IN _µF, (P•IO-e ),IF)
3. 1/0LTAGE READINGS TO ~N GROUNO ARE MEASURED
WITH V.T. V. M UNDER NO SIGNAL.
4. THIS SCHEMATIC DIAGRAM MIGHT BE MODIFIED WITH
DEVELOPMENT OF TECHNOLOGY.
MAIN AMP P.C.B. Bottom
IC201
14[ ____________ ],
_,0201
CP16
3(ijjr

•
•
SCHEMATIC DIAGRAM-------------------------
ICI HAl2413
I
S1-4 ! :I s,':?, ~ :E s1-2- 51·8 &ANO SELECT
,....,===----'
EO
DIAL CORD STRINGING---- ----------
-8-
IC2 LA3361
tlQm
I, AU. RESISTORS ARE l/4W,UNLESS NOTED OTHI
2. ALL CAPACITOR VALUES ARE INJJF.I p•I0"'6_uFI
3. VOLTAGE READINGS TO COMMON GROUND ARE
4. THIS SCHEMATIC DIAGRAM MIGHT SE MOOIFlE
Power supply P.C
r,
I I
I I u,
I l<>I
I I
I I
LJ
c...
,::
_..r---""L--7
1(1)
,.,.
-"\... __ J" __ J
r--,-~.,
I I I I
~..J.J .J

RWISE, VALUES
ARE IN OHMS I k
.OMEASUREO WITH V • •lo'• M•IO• I
WITH OEVELOPME~~~: :;ifR NO SIGNAL.
HNOLOGY
.B. Bottom .
WIRING DIAGRAM
MOTOR P.C.B. Bottom
CSl7
PRE AMP. P.C.B. Bottom
-9-

•
WIRING DIAGRAM-----------------------
TAPE P.C.B. Bottom
LED P.C.B. Bottom
J94 J95 J93
• • •
- 10 -
HEADPHONE P.C.B. Bottom
/~
~
r------,
I I
I I
I I
I :x:: I
I -, I
I I
I I
I I

ROD ANTENNA
PARTS LIST· ___ ___:_ _____________________ _
Key Ref.No.
No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
PART No DESCRIPTION
PACKAGE PARTS
R-4776549 Caution tag
R-357659 Polyethylene bag, Set
R-357660 Polyethylene bag, Speaker
R-4174562 Styro-foam cushion, Set top
R-4174561 Styro-foam cushion, Set bottom
R-4076524 lnd1v1dual carton
ACCESSORY PARTS
R-4776803 Instruction manual
R-4776292 Guarantee card
R-4773709A Service shop card
R-4775005 Caution sheet
R-357562·1 Polyethylene bag,
Instruction manual
R-S37225-2 AC cord
R-S27563 Plug adaptor AC ,
England Pitch 16.7mm
R-S27433·2 Plug adaptor AC., siemens
Pitch 19mm
R-357556 Polyethylene bas,
AC cord
R-S07418 Magnelic tape, -12
CABINET APPEARANCE PARTS
R-A78555 Panel assembly, Front
R-327595 Cassette lid
R-S872449 Dumper
Tap. Screw, Pan Hd., P-t,ght, 3x8
R-1571492 Tort1on spring
R-A78556 Rear ~over assembly
Tap Screw, Flat Hd., 3x10
Tap. Screw, Pan Hd , P-tlght, 3x30
R-327599-P Battery hd
R-S872689-P Handle assembly
R-3974690 Hinge, Handle mtg
R-1274036 Metal bracket, Earth terminal
R-4470642 Holder, Microphone
R-147169 Special screw, Earth terminal
R-327607-P Battery case
R-1571052A
Tap. Screw, Pan Hd , P-t1ght, 3x8
Coil spring, Battery terminal + .-
R-1571526 Spring, Battery terminal -
R-237214 Terminal plate. Battery terminal +
R·2470192A Shalt, Speaker box mlg
Nut, Hex Hd , With washer, MB
R·1273985
Bracket Battery case mtg.
Tap. Screw, Pan Hd, P-t1ght, 3x10
Tap. Screw, Pan Hd , P-I1ght, 3x8
Tap. Screw, Fial Hd, 3x10
O"ty
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
9
1
1
1
2
1
2
1
1
2
1
2
2
2
2
1
1
2
1
Key Ref.No
No.
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
40
41
42
43
44
45
46
47
48
49
PART No.
R-3974900
R-3974901
R-3974902A
R.3g74903
R·3974904
R-3974905A
R-3974906
R-3974907
R-3974909
R-3973827
R·A78099
R·A78100
R-317809-L
R-317809-2
R-377138-L
R·S872760
R·1273865A
R-1571490
R·327600-P
R-1274023
R-467350
DESCRIPTION O·Iy
Knob, TUNING 1
Knob, FINE TUNING 1
Knob, VOLUME 1
Knob, TONE/BALANCE 2
Knob, BAND SEUFUNCTION 2
Knob, MODE/TAPE SEL 3
Knob, EJECT 1
Knob, CASSETTE 6
Knob, POWER 1
Knob, RESET 1
Fronl panel assembly, 1
SP box Right
FronI panel assembly, 1
Speaker box left
Speaker box, Right 1
Tap. Screw, Pan Hd., P-tight, 3x30 4
Speaker box. Left 1
Tap. Screw. Pan Hd., P-t1ght, 3x30 4
Holder. Speaker cord 2
Lever assembly 2
Metal bracket 2
Screw, Flat Hd . 3x8 6
Spring, Melal bracket-Lever 4
Knob 2
Metal bracket 2
Screw. Flat Hd . 3x8 4
Reinforcement, SP box 2
CHASSIS MECHANICAL PARTS
R-A78557
R-3974913
R·1273870A
R-3974914
R-157189
R-1274353
R-357414
R-147054-3
R-1273873
R-S872360
Chassis assembly, Center
Tap. Screw, Pan Hd . P·tight. 3x8
Tap. Screw, Pan Hd., P-tIght. 3x10
Slide, Pointer
Pointer
Drum
Screw, Pan Hd . W1lh spring
washer. 2.6x6
Dial cord String, lll0.5x 372
Coil spring
Metal brcket. Fine tuner mtg
Tap. Screw, Flat Hd , B-t1ght, 3x8
Pulley
Pulley shaft
Fial washer. Metal, 3x8x0.5
Metal brcket, Tuner, PC.B. mlg
Tap. Screw. Pan Hd
With flat washer, 3x8
Pulley assembly
1
I!
NOTES 1 Part orders must contain Model Number, Part Number and Description.
2. Ordering quantity of screws and/or resistors must be multiple of 10 pcs.
-11-

EXPLODED VIEW (CABINET &
CH
ASSIS)-=---------
•
•
-12-

PARTS LIST(CONTINUED)---------------------
Key
Ref.No.
No.
50
51
52
53
54
55
56
57
65
68
69
70 CVS
71
72
CS2
css
CS6,11,
13,14
CS10,16,
CS1,3,4
CS15
CS17
CS18
73 JK2
74
D7
D807
D416
D417
75
76
Ll
L2
L4
LS
L6
77 L7
L8
L9
LIO
CT3,7
T1
T2
PART No. DESCRIPTION
R-S57252-2 Tape counter
Screw, Pan Hd., 3x6
R-4470033 Belt, Tape counter
R-3975007A Fix plastic board, PT
R-2673422A Heat sink, IC
Tap. Screw, Pan Hd .. B-tight, 3x6
R-2671941 Heat sink, Tr
Tap. Screw, Pan Hd., With washer,
B-t1ght, 3x8
R-1273989 Lever, Eject
R-1274244 Bracket
Tap. Screw, Pan Hd., S-tight, 2.6x4
R-4776288-L Label
R-4470592 Cushion
R-1273863A Metal bracket, DC socket mtg.
Tap. Screw, Pan Hd., P-t,ght, 3x8
R-437507 Cover, Front panel
R-367343 lnsulalor, AMSS P C.B.
R-1274356 Tap. Screw,
Pan Hd., P-t,ght, 3x30
Metal brcket. Mecanism"-Bracket
Tap. Screw, Pan Hd, S-tlght. 2.6x4
R-2673607 Shield plate, Bracket
Tap. Screw, Pan Hd., With washer,
B-tight, 3x6
R-3971540 Label
CHASSIS ELECTRICAL PARTS
R-S17557 } or
Rod antenna
R-S17557-1 Screw, Flat Hd., 3x12
R-S07429 Microphone
R-C1743A Variable capacitor, Fine tuner
R-S07443 Speaker, Woofer
Tap. Screw, Truss Hd, P-t1ght, 3x10
R-S07416
Speaker, Tweeter
Tap. Screw, Pan Hd., P-t1ght, 3x8
R-S87143-5 } or Speaker cord
R-S87143-4
R·S27298-5 Housing, SP
R-S27298-6 Housing, 6P
R·S27298-4 Housing, 4P
R-S27298-3 Housing, 3P
R-S27298-2 Housing,
2P
R-S27298-8 Housing, 8P
R-247755
Terminal, Housing
R-377142-3 Housing
R-257295-1 Terminal
R-377088-2 Housing
R-S27643 Jack,
DC socket
Nut, Hex Hd., M3
R-4174154 Printed circuit board, STEREO IND
Tap. Screw, Flat Hd .. 3x8
R-237113 Lug
R-S17243 Cord clip
R-S257277 Sockt pin
R-237188 Lug
SEMICONDUCTORS
LED, SLP-1558. STEREO IND
LED, SLP-144B, POWER
LED. SLP-1668, REC/SOUND LEVEL
LED, SLP-155B, RECORD
TUNER P.C.B. ASSEMBLY
R-A78558 Circuit board assembly, Tuner
R-C1740·2 Variable capacitor
R-W9701 VHF coil
R-W9018 VHF COIi
R-W9743 VHF coil
R-W27208 Antenna coil
R-W27181 Antenna coll
R-W27180 Antenna coll
R-W87046
OSC coil
R-W87045 OSC COIi
R-W87044 OSC COIi
R-C0740 Trimmer
R-WST766-1 IF transformer
R-WST7045 IF TRANSFORMER
O'ty
1
3
1
1
1
1
1
1
1
1
3
1
1
1
1
1
1
1
1
3
1
2
1
1
1
2
1
2
8
2
4
2
1
1
4
2
3
1
47
1
2
1
1
1
1
1
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
Key Ref.No.
No.
PART No. DESCRIPTION
0'ty
T3 R-W5T7030 IF transformer 1 '
T4 R-WST7031 IF transformer 1
BPF1 R-W17080 Filter coil 1
CF1 ~:~m~~ )or Ceramic filter 2
CF4 R-S17486 _ Ceramic filter 1
• Do not use ceramic JIiter from different rank but a same rank.
SVR1 R-R110724 Preset resistor, 10 k 1
CP1 ,3,4 R-S27207-2 Plug, 2P 3
CP2 R-S27207-5 Plug, SP _ 1
78 Sl-1"-8 R-S47833 Lever switch, BAND SELECT 1
F1,2 R-M1710A Filter c~~MICONDUCTORS 2
IC1 IC, HA12413 1
IC2 IC, LA3361 1
01,2 Transistor, 2SC1923 2
03,4 ~~!1_s~~4~r930 ~
g}
2'3 Diode, 1S553 1
D5 Diode, 1S18~ts~STORS 1
Resistors are ol carbon type, ±5% allowance and
1
1.w unless otherwise noted
R2,11 I 3.9 k ohm 2
R3 2.2 M ohm 1
R4,14,27,43 100 ohm 4
RS,46 I 470 ohm 2
R33 6.8 k ohm 1
R7 2.2 Kohm 1
R8,9,10,34,56 1 k ohm 5
R12 180 k ohm 1
R13 10 ohm 1
R15 100 k ohm 1
R16,17 33 ohm 2
R19 10 ohm 1
R18,20 22 k ohm 2
R21,54 22 k ohm 2
R22 1.5 k ohm 1
R23,32 220 ohm 2 f
R24 330 ohm 1
R25 10 k ohm 1
R26 47 k ohm 1
R29,36,39 2.2 k ohm 3
R37,38 3.3 k ohm 2
R42 1.5 k ohm 1
R6 220 k ohm 1
R40,41 12kohm 2
R60 100 ohm 1
R52 22 k ohm 1
R59 39 k ohm 1
R53 100 ohm 1
R58 150 k ohm 1
R28 15kohm 1
CAPACITORS
Cl,2,13,29 Ceramic, 0.0047mfd, + 80
-20%.
4
I 25V, X
C3 Ceramic, 22pF,
±5%, S0V, SL
1
C14,16 Ceramic, 4.7pF,
±10%, S0V, SL
2
,CS Ceramic. 1pF,
±20%, S0V, SL
1
C6
Ceramic, 470pF, ±10%, S0V, B 1
C7,30,65.78,80,83,86 Ceramic, 0.01mfd,
+80-20%.
7
S0V, Z
ca, 15,32.33,37.19 Ceramic, 0.01mfd,
+80 -20%, 16V, X 6
C9
Ceramic, 0.0047mfd, ±10%, 50V, B 1
C10 Ceramic, 20pF,
±5%, 50V, T 1
C11,21 Ceramic, 5.6pF,
±10%, 50V, SL
2
C12 Ceramic, 8.2pF,
±10%, S0V, SL
1
C19 Ceramic, 13pF,
S0V, SL 1
C26 Ceramic, 8pF,
±10%, 50V, Y 1
C27 Ceramic, 3pF, ±0.SpF,
S0V, Z 1
C28 Ceramic, 12pF,
±5%, S0V, X 1
C34,35 Ceramic, 0.022mfd, + 80
-20%,
2
16V,X 3
C17,22.42 Ceramic, 100pF,
±5%. S0V, SL
C4
Ceramic, 2.7, ±10%, S0V, SL
1
C75 Ceramic, 680pF,
±10%, S0V, B 1 f
C23 Mylar, 0.0039mfd,
±10%, 50V 1
C45 Mylar, 0.033mfd.
±10%, S0V
1
C49 Mylar. 0.047mfd,
±10%, S0V
1
NOTES 1 Part orders must contain Model Number, Part Number and Description.
2. Ordering quantity of screws and/or resistors must be multiple of 10 pcs.
-13-

•
•
•
PARTS LIST (CONTINUED1---------------------
Key
No .
79
80
81
82
83
86
87
88
Ref.No PART No. DESCRIPTION
O'ty
Ke Ref.No.
PART No. DESCRIPTION
O'ty
No.
C18 Ceramic, 39pF,
±5%, S0V, SL 1
C24 Mular, 0.0015mfd,
±10%, S0V
1
C31,39.46,48 Electrolyuc, 10mfd/16V 4
C40,47,59 Electrolytic, 100mfd/1 0V 3
C41,52,55,56,66 Electrolytic, 1mfd/S0V 5
C38 Electrolytic, 100mfd/6.3V 1
C43 Electrolytic, 4.7mfdl25V 1
CBS
Ceramic, 56pF, ±5%, S0V, SL 1
C84,88 Ceramic, 0.022mfd, +80
-20%,
2
sov, z
C87 Ceramic, 0.001mfd,
±10%, S0V, B 1
LED P.C.B. ASSEMBLY
89 R-A78507 Circuit board asssembly, LED, I1
Without LED
SEMICONDUCTORS
IC403
IC. LB1415 1
RESISTORS
Resistors are ol carbon thpe, ±5% allowance and
1/,W
unless otherwise noted
R501 1 k ohm 1
R503 10 k ohm 1
R504 15 k ohm 1
RS0S 2.7 k ohm 1
C36 Ceramic, 68 pF, ±5%, S0V
1 R506 100 k ohm 1
C44 SBL ceramic,
0.0lmfd, ±10%, 25V 1 R507 560 ohm 1
C57,58 SBL ceramic, 0.039mfd,
±10%, 25V
2 CAPACITORS
cso
Ceramic, 0.001mfd, ±5%, S0V, SA 1
cs, Ceramic, 680pF,
±5%, S0V, SA
1
C53 Electrolytic, 0.47Mfd/S0V 1
C54,61 Electrolytic, 2.2mfd/50V 2
csos
Ceramic, 51pF, ±5%, S0V, SL 1
C501 Electrolytic, 47mfd/16V 1
C502,504 Electrolytic, 1mfd/50V 2
C503 Electrolytic, 4.7mfd/25V 1
POWER SUPPLY P.C.B. ASSEMBLY TAPE P.C.B. ASSEMBLY
R·A78559 Circuit board assembly, 1
Power supply
PT801 j
R-W770229
Power transformer 1
JK1,S4 R-S27640 Socket 1
S2
R-S47832 Push switch 1
S3 R-S47860 Rotary switch 1
CP11
A·S27207·4 Plug, 4P 1
CP17 R-S27634·3 Plug, 3P
1
90 A·A78506 Circuit board assembly, Tape 1
91
VR202,302 A·A1167416 Rotary VA, 50 k-A, TONE 2
92 VR203 A·A1167417 Aolary VA, 1 OOk-G, BALANCE 1
93 VR204,304 RR1167433·1 Rotary VA, 50 k·Ax2, VOLUME ,
94 S10·1"-'5 R-S47837 Lever switch, Function
,
95 S5·1"-'12 R-S47835 Slide sw11ch, REC/PLAY 1
96 S6·1"-'5 R-S47834 Push switch, TAPE SELECT/MODE/ 1
S7
I DOLBY NA
SB·1"-'2
CP18 R-377089-2 Housing, 2P 1
A-257236·1 Terminal, Housing
2
R-257277 Socket pin 1
F801 tA·S17446·1 Fuse, 400mA 1
R-237030 Fuse clip 2
SEMICONDUCTORS
0801 ;1-,. Transistor, 2SD612 1
D801 Zener diode, GZA8.2Y 1
D802"-'805 ;1-,. Diode, DS135D 4
D806 I Zener diode, GZA6.8Y 1
RESISTORS
Res1s1ors are ol carbon type .±5% allowance and JJ,.W unless otherwise nothed.
A804,806 I 100 ohm 2
ABOS
Solid, 330ohm, ±10%,
1
1,w
1
A802 Metal oxide film, 180ohm,
±5%, 1W 1
CAPACITORS
97 S11 R-S47581·3 Slide switch, BEAT CUT 1
SVA401, R-Al 10724 Preset resistor,
10 k-B 2
501
L401,501 A•W17070 Trap corl 2
L402,502 A-W67029 Choke coil 2
L403 A-W17020A Choke coil 1
L404 A·W87061 OSC coil 1
98 JK7,8,10 R-S27290·1 Jack, L-MIC/SP 3
99 JK9 A·S27289·1 Jack, A-MIC 1
CP12 R-S27207-3 Plug, 3P
1
SVA402, R-Al 10705 Preset resistor, 50 k-B 2
502
SVR403, R-Al 10723 1 Preset resistor, 100 k-8 2
503
CP15 R-S27207•8 Plug. BP 1
CP6,13 R-S27207•4 Plug, 4P 2
F401,501 R-M1719 Filter coil 2
CB0S"-'808 Ceramic, 0.02mfd, +80 -20%, 4 SEMICONDUCTORS
S0V, Z
C801 I Electrolytic, 1000mfdl25V 1
C802,803 Electrolytic, 100mfd/16V 2
C804 Electrolytic, 220mfd/16V 1
IC401
IC, M51542L 1
IC402,502 IC, LM1111C 2
0401,501 Transistor, 2SC536 2
0402,502,503,504 Transistor, 2SC536 4
0405 Transistor, 2SD863 1
MOTOR P.C.B. ASSEMBLY
R-A78560 Circuit board assembly, Motor 1
D401,501 Diode, 1S188 AM
2
D402,403,404,405 Diode, DS442 4
RESISTORS
A-237113 Lug 1
SEMICONDUCTORS
Resistors are ot carbon type ±So/o allowance and
1/4W
unless otherwise noted
R257,357,444,450,455, 3.3 k ohm 12
0414
Transistor, 2SD863 1 461,471,544,550,555,
D414 Diode, DS442 1
D418 Diode, DS135D 1 561,571
R258,358,441,468,541, 2.2 k ohm 6
D415 Zener diode, GZA12Z 1
RESISTORS
Res1s1ors are of carbon 1ype ±5% allowance and
1
1,.w unless otherwise noted
A509
22 ohm 1
A519 100 ohm 1
A539
22 k ohm 1
568
R259,359,408,410,416, 10 k ohm 8
420,443,543
R260.360
15 k ohm 2
R261.361 82
Kohm 2
R262,362,452,552 100 k ohm 4
R263,363,464,564 6.8 k ohm 4
R540
10 k ohm 1 R264,364 560 ohm 2
CAPACITORS R266,366,451,551 8.2 k ohm 4
C519 Electrolytic, 220mfd/16V 1
cs,a Electrolytic, 100mfd/16V 1
C552 Electrolytic, 100mfd/25V 1
A401,402,410,570 220 ohm 4
R403,419,446,449,546, 4.7 k ohm 6
549
R256,356,404,453,553 1.5 k ohm 5
HEADPHONE P.C.B. ASSEMBLY R407,415,467,472,567, 2.7 k ohm 6
IA·A78505 ICircuit board assembly, Headphone I1
JK11 R-S27438·1 Headphone Jack 1
RESISTORS
572
R409,412,474,574 1 k ohm 4
R411,422,463,475,563, 22 k ohm 6
575
Resistors are ol carbon type ±5% allowance and
1/,W
unless otherwise noted
A413,462,562 1.8 k ohm 3
R211,311 I l270ohm I 2 A414 I 2.2 ohm 1
NOTES 1 Part orders must contain Model Number, Part Number and Description
2. Ordering quantity of screws and/or resistors must be multiple of 10 pcs.
-14-

PA PARTS LIST (CONTINUED\----------------------
Key
No.
50
51
52
53
54
55
56
57
65
68
69
70
71
72
73
74
75
76
77
Key Rel.No.
PART No.
DESCRIPTION Q'ty
No
R418 4.7 M ohm 1
R421
47 ohm 1
R442,542
10 ohm 2
R445,545 220 k ohm 2
R447,547 390 ohm 2
R448,548 68 k ohm 2
R454,554 3.9 k ohm 2
R267 ,367,456.473,556, 47 k ohm 6
573 2
R457,557 56 k ohm
R458,558 270 k ohm 2
R459,559 150 k ohm 2
R460,560 330 k ohm 2
R465,565 1.2 k ohm 2
R466,566 150 ohm 2
R469,569 39 k ohm 2
R406 Solid, 82 ohm, ±10%,
1
1,w
1
R405 Metal oxide film, 27 ohm, ±5 %, 2W 1
CAPACITORS
C256,356 Ceramic, 470pF.
±10%, 25V, B 2
C259,359 Ceramic, 390pF,
±5%, 50V, SL 2
C410 Ceramic, 270pF, ±10%, 500V, B 2
C442,542 Ceramic, 0.0012mfd, ±10%, 50V, B 2
C448,472,548,572 Ceramic, 470pF, ±10%, 50V, B 4
C449,549 Ceramic, 150pF, ±10%, 50V, B 2
C455,459,464.468.555, Ceramic. 0.001mfd, ±10%, 50V, B 8
559,564,568
C473,573 Ceramic, 560pF, ±10%, 50V, B 2
C407 Mylar, 0.022mfd, ±20%, 50V 1
C408 Mylar, 0.039mfd, ±20%, 50V 1
C409 Mylar, 0.0027mfd,
±20%, 100V 1
C444,544 Mylar, 0.015mfd, ±5%, 50V
2
C452,552 Mylar, 0.0047mfd, ±5%, 50V
2
C453,553 Mylar, 0.033mfd, ±5%, 50V
2
C454,554 Mylar, 0.0039mfd,
±5%, 50V 2
C463,563 Mylar, 0.047mfd,
±5%, 50V 2
C469,569 Mylar, 0.012mfd,
±5%, 50V
2
C255,355 SSL ceramic, 0.022mfd, ±10%, 50V
2
C257,357,441,541
SSL ceramic, 0.047mfd, ±10%, 25V
4
C412 I
SSL ceramic, 0.068mfd, ±10%, 25V
1
C470,570
SSL ceramic, 0015mfd, ±10%, 25V
2
C474,574
SSL ceramic, 0.001mld, ±10%. 25V
2
C401,413,458 Electrolytic, 220mfd/10V 3
C403 Electrolytic, 47mfd/10V 1
C404 Electrolytic, 1 OOmfd/1 OV
1
C405 Electrolytic. 47mfd/16V 1
C406,411 Electrolytic, 220mfd/6.3V 2
C443,543 Electrolytic, 1 Omfd/SOV
2
C445,545 Electrolytic, 100mfd/6.3V 2
C446,456,457,462,471, Electrolyllc, 10mfd/16V
10
546,556,557,562,571
C447,547 Electrolylic, 4.7mfd/25V 2
C450,550 Electrolytic, 47mfd/6.3V 2
C451,466,467.475,551, Electrolytic, 1mfd/50V 8
566,567,575 Eleclrolyt1c. 0 33mfd/50V
C460,560 I 2
C461,561 Electrolytic, 0 1mfd/50V 2
C465,565 Electrolytic. 0 47mfd/50V 2
MAIN AMP. P.C.B. ASSEMBLY
100 R-A78213 Circuit board assembly, Main amp.
1
CP10,16 R-S27207·3 Plug,
3P
2
R-257277 Socket pin 2
SEMICONDUCTORS
IC201
IC, LA4185T 1
0201
Di1ode. OS442 1
RESISTORS
Resistors are of carbon type ::t:5% allowance and
1
1,w unless otherwise noted
R201
10 k ohm 1
R212,312 1 k ohm 2
R213,313 8.2 k ohm 2
CAPACITORS
C216,316 Ceramic, 470pF, ±10%, 50V, B 2
C213,313 Mylar, 0.15mfd, ±20%, 50V
2
C201
Electrolytic, 100mfd/16V 1
C202 Electrolytic, 1000mfd/25V 1
C211,311 Electrolytic, 1mfd/50V 2
C212,312 Electrolytic,
1OOOmfd/16V
2
C214,314 Electrolytic, 47mfd/16V 2
C215,315 Electrolytic, 220mfd/6.3V 2
NOTES· Part orders must contain Model Number, Part
Number and Description.
2. Ordering quantity of screws and/or resistors musl be
multiple of 1O pcs.
Key
No.
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
-15-
Ref.No.
PART No DESCRIPTION O'ty
EQ P.C.B. ASSEMBLY
R·A78214 Circuit board assembly, EQ
1
S12·1"-4 R·S47836 Slide
sw11ch, LINE/PHONO 1
JK3"'6
R-S17514 Jack, 4P, LINE OUT/LINE-PHONO 1
CPS
R·S27207·6 Plug, 6P 1
CP14
R·S27207•4 Plug,
4P
1
SEMICONDUCTORS
IC202
IC, M51521L 1
0201,301 Transistor. 2SC536 2
RESISTORS
Resistors are of carbon type ::t:5% allowance and
1
1,W unless otherwise noted.
R221,223,321,323 82 k ohm 4
R222,254,256,322,354, 2.2 k ohm 6
356 I
R230,330
27 k ohm 2
R224,324 1.5 k ohm 2
R252,352 820 k ohm 2
R226,228,326,328 10 k ohm 4
R227,327 270 k ohm 2
R229,329 82 k ohm 2
R301
220 ohm 1
R302 47 ohm 1
R253,353 150 ohm 2
R255,355 3.3 k ohm 2
CAPACITORS
C222,322 Ceramic, 470pF,
±10%, 50V, B 2
C224,324 Ceramic, 0.0082mfd, ± 10%, 25V, X 2
C225,325 SSL ceramic, 0.027mfd, ±10%,
25V
2
C221,251,321,351 Electrolytic. 1mfd/50V 4
g~rn~ I Electrolytic, 47mfd/6.3V 2
Electrolytic, 220mfd/10V 2
C253,254,353,354 Electrolytic, 4.7mld/25V 4
C229,329 l Ceramic, 24pF,
±5%, 50V, SL
2
C252,352 Ceramic, 220pF,
±10%, 50V, B 2
C226,326 Electrolytic, 4.7mfd/50V 2
CASSETTE MECHANISM
R-S97106 ICassette mechanism assembly 1
R-A78104 Lever assembly, Erect 1
R-1571331 Spring, Eject lever 1
R-1571654 Special screw. E1ect lever
2
R-1273988 Bracket, Eject lever 1
R-327574-Q Case, Cassette 1
R-3974736-Q Lever, Case right 1
R-3974747-Q Lever, Case lift 1
R-1571333 Torlion spring, Case right 1
R-1571334
Tort1on spring, Case left 1
R-1273874 Bracket 1
Tap. Screw, Pan Hd., S-t1gh1, 2.6x6 2
R-137179 Plate spring 1
R-147166
Special screw 1
R-1273987 Special washer 3
Tap. Screw, Pan Hd, S•t1ght, 2.6x6 3

•
•
•

~Fisher
The first name in high f1del1ty
FISHER CORPORATION 21314 LASSEN STREET · CHATSWORTH · CALIF . 91311
"82/Aug./3000 YA
PRINTED IN JAPAN
WM-8297
•

•
SCHEMATIC DIAGRAM------------------------------------
ICI HAl2413
04 2SC93O
,...E ..... O--- .. -,,--'C~2~0~2 MS __ ,s_z~l~L ____ ....::O~2~O~1,~3~O11S_C_5_3_6 ______ _
m
LINE PHOHO
IN L-~H C22
512-1 IJ
JK!I ! j
-l"'
DIAL CORD STRINGING --------------
8
IC2 LA3361
STtJ£0""
•
TUNElt P.C.9.CPl
112m
l. AU. RESISTORS AR£ l/4W,UNLfSS NOTED OTHERWISE. VALUES ARE IN OHMS. fll•K>3, M•t0• 1
2. ALL CAPACITOR VALUES ARE INJIF.lp•l01,IFJ
3. VOLTAGE READINGS TO COMMON GROUND ARE MEASURED WITH \I, T.V,M UNO£R NO SIGNAL,
4. THtS SCHEMATIC DIAGRAM MIGHT BE MOOIFlED WITH DEVELOPMENT OF TECHNOLOGY.
Power supply P.C.B. Bottom
r,
I I
I I (I)
I J(>J
I I
I I
LJ c..
;,::
_ _r--- .. --,
'0
I"'
_"'\__.r __ j
"11
r--,r.-,. r_-,--J CD
L_J.:.J ~J __ o
i~~!~~i~
.1,.i..l.*J..
TTT ...
I
WIRING DIAGRAM1---------
MOTOR P.C.B. Bottom
CSJ7 ◄
PRE AMP. PC.B. Bottom

CSl4
CS6
L•CH~I
MIC
R-CH
MIC 4
=
II-CH
11/PHEAD
0405 2S0863
IC401 M51542
-6-
0416 SLP-166B
0417 SLP-155B IC403 LBl415
LED -------,R"'E""c""'i"'so"'u~N~D LEVEL
- - ,
I
J3'
IC
PtN I 2 3 4 !5 6 7 8
IC 401 (Vl 0.9 J.4 3,7 1.2 0 1.3 0 0
IC 402,!502 CV) 2.7 2,8 2.7 2.8 2.7 2.9 2.8 2.8
1C 403 IV) 0.7 0 0 8.9 2.8 2.8 0 0
I
L.
IC402,502 LMIIIIC
0.711
0401,501 ISIBBAM
0402~405 0S442
I
-7-
D41B 0S135
0414 0442
D415 GZA 122
0414 2S0B63
NOTES
MOTOR
I. ALL RESISTORS ARE l/4W, UNLESS NOTED OTHERWISE
VALi.ES ARE IN OHMS. lk•IO•, M•I0
81
2. ALL CAPAC!~ VALUES ARE IN J,1F. (P•IO-e Jlfl
3. YOLTAGE READINGS TO ~N GROUND ARE ll£ASUR£O
WITH V.T . V. M UNDER NO SIGNAL.
4. THIS SOEMATIC DIAGRAM MIGHT BE MODIFIED WITH
DEVELOPMENT OF TECHNOLOGY.
MAIN AMP P.C.B. Bottom
14
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Ill 0201
CPUS
3(jjjl1