SERVICE MANUAL
DA
TA
MINIDISC RECORDER
BASIC MD MECHANISM : ZZG-A R1
AM-F80
AHK
S/M Code No. 09-004-419-2S1
SUPPLEMENT
· This Service Manual contains information about the difference between
AM-F80 (AHK) and AM-F80 (AHR). If requiring other information,
see Service Manual of AM-C80 (AU) / F80 (AHC, AHK, AHR, AK, AEZ),
(S/M Code No. 09-99B-419-2R2).
· This Service Manual is for AM-F80 (AHK) Blue color.
2
SPECIFICATIONS
Main unit
Playback system
MiniDisc digital audio system
Laser pickup
Semiconductor laser
Recording system
Magnetic polarity modulation
overwrite system
Revolutions
Approx. 400 to 900 rpm (CLV)
Sampling Frequency
44.1 kHz, with built-in sampling
frequency rate converter
Number of channels
Stereo: 2 channels
Monaural: 1 channel
Modulation system
Eight to Fourteen Modulation (EFM)
A/D, D/A converter
1-bit
Frequency response
20 to 20,000 Hz
± 1 dB
Wow and Flutter
Below measurable limit
(
±0.00 1% W.PEAK)
Input
MIC
LINE
OPT (digital)
Jack type
Stereo
Stereo
OPTICAL
mini-jack
mini-jack
mini-jack
Rated input level
1.1 mV
280 mV
Minimum input level
0.4 mV
100 mV
Output
OUTPUT / PHONES
Jack type
Stereo mini-jack
Maximum output level
10 mW + 10 mW
Load impedance
16 ohms
Power requirements
DC 3.6 V using the supplied lithium-ion
rechargeable battery LIB902
DC 1.5 V using one LR6 (size AA) dry cell
batteries (used together with rechargeable battery)
AC house current using the supplied AC adaptor
ACD401.
Battery life
Using the supplied rechargeable battery
Approx. 11.5 hours for playback
Approx. 5 hours for recording
Using the supplied rechargeable battery and one
LR6 (size AA) dry cell batteries
Approx. 20 hours for playback
Approx. 7.5 hours for recording
Dimensions
Approx. 78.8 (W) X 18.8 (H) X 86.8 (D) mm
(31/
8 X
3/
4 X 3
1/
2 inches)
Weight
Approx. 163 g (6 oz) including the
rechargeable battery.
AC adaptor (ACD401)
Output
DC 4.5 V
Rated voltage
AC 230 V, 50 Hz
· Design and specifications are subject to change without
notice.
ACCESSORIES / PACKAGE LIST
DESCRIPTION
REF. NO.
KANRI
NO.
PART NO.
2
87-B30-144-010
AC ADAPTOR,AC-D401K NC
6
8A-HM1-961-010
BOX ASSY,BAT AHM-1 L
3
ELECTRICAL MAIN PARTS LIST
DESCRIPTION
REF. NO.
KANRI
NO.
PART NO.
MAIN C.B
C300
87-012-178-080
C-CAP,U 18P-50 J CH
C355
87-012-270-080
C-CAP,U 470P-50 KB
4
MECHANICAL EXPLODED VIEW 1 / 1
5
MECHANICAL PARTS LIST 1 / 1
COLOR NAME TABLE
Basic color symbol
Color
Basic color symbol
Color
Basic color symbol
Color
B
Black
C
Cream
D
Orange
G
Green
H
Gray
L
Blue
LT
Transparent Blue
N
Gold
P
Pink
R
Red
S
Silver
ST
Titan Silver
T
Brown
V
Violet
W
White
WT
Transparent White
Y
Yellow
YT
Transparent Yellow
LM
Metallic Blue
LL
Light Blue
GT
Transparent Green
LD
Dark Blue
DT
Transparent Orange
GM
Metallic Green
YM
Metallic Yellow
DM
Metallic Orange
DESCRIPTION
REF. NO.
KANRI
NO.
PART NO.
DESCRIPTION
REF. NO.
KANRI
NO.
PART NO.
1
8A-HM1-063-010
WINDOW,DISP L
2
8A-HM1-047-010
PANEL ASSY,TOP L
3
8A-HM1-229-010
HLDR,PANEL
4
8A-HM1-008-110
KEY,CONT SUB
5
8A-HM1-011-010
LENS,REC
6
8A-HM1-009-010
KEY,SEARCH
7
8A-HM1-007-010
KEY,CONT MAIN
8
8A-HM1-010-010
KNOB,RTRY JOG
9
8A-HM1-243-010
PLATE,JOG
10
8A-HM1-226-110
HLDR ASSY,TOP
11
8A-HM1-015-010
KNOB,SL HOLD
12
8A-HM1-012-010
KNOB,SL EJECT
13
8A-HM1-013-010
KNOB,SL REC
14
8A-HM1-014-210
KNOB,LEVER REC
15
8A-HM1-003-210
FRAME,CENTER
16
8A-HM1-235-110
SHAFT,HINGE BATT
17
8A-HM1-234-210
HINGE,BATT
18
8A-HM1-058-010
LID,BATT L
19
8A-HM1-295-010
W-P,0.7-2.5-0.18
20
8A-HM1-239-510
COVER, BATT -
21
8A-HM1-242-110
SPR-E,REC
22
8A-HM1-232-010
COVER, BATT BOX
23
8A-HM1-236-110
BAT-CONTACT,+
24
8A-HM1-238-010
COVER, BATT +
25
8A-HM1-233-010
BAT-CONTACT,BOX
26
8A-HM1-203-010
HINGE,PANEL TOP
27
8A-HM1-206-210
FRAME ASSY,FR
28
8A-HM1-216-210
FRAME,R
29
8A-HM1-244-110
SPR-T,OPEN
30
8Z-HM4-230-010
SPR-E,EJECT
31
8A-HM1-250-010
SPR-E,LOCK B
32
8Z-HM4-226-010
HLDR,PWB
33
8A-HM1-237-010
BAT-CONTACT,-
34
8A-HM1-036-010
PANEL,BOT HK L
35
8A-HM1-068-010
KNOB,SL SEL L
36
8A-HM1-225-110
HLDR LCD
37
8A-HM1-272-010
W-L,1.7-3.6-0.05 W/ADH
A
87-HM1-254-010
S-SCREW,1.4-1.4CR
B
87-078-052-010
S-SCREW+1.4-3.5HL(B)
C
87-HM1-242-010
S-SCREW,1.4-2.0CR
D
8A-HM1-291-010
SCREW,1.4-1.0CR
E
87-HM1-243-010
S-SCREW,1.4-1.4CRNL
F
87-067-746-010
SCREW,M 1.4-2(H0.5)
G
8A-HM3-222-010
S-SCREW,+1.4-3.0 CR
H
88-ZG2-256-010
S-SCREW,+1.4-3.5
I
86-HK4-224-010
S-SCREW,SERR+1.4-3.5
J
8Z-HM1-236-010
S-SCREW,+1.4-1.2 SWCH CR