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SERVICE MANUAL
HS-PX997 AHK
STEREO CASSETTE PLAYER
BASIC TAPE MECHANISM : 7ZM-1 P1
S/M Code No. 09-997-405-2S1
SUPPLEMENT
This Service Manual contains information about the different between
HS-PX590/997<[L]AH,AE> and HS-PX997<AHK>.
If requiring other information, see Service Manual HS-PX590/997<[L]AH,AE>
(S/M Code No. 09-996-405-2R3).


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· Design and specifications are subject to change without
notice.
SPECIFICATIONS
Maximum output:
4 mW + 4 mW (EIAJ/32W )
Load impedance:
16 ­ 32 ohms
Power sources:
DC 1.2 V using supplied rechargeable battery NB-5G,
DC 1.5 V using an R6 (AA) dry cell battery,
AC house current using the optional AC adaptor
Maximum dimensions:
80 (W) x 112.9 (H) x 18.9 (D) mm (31/
4 x
41/
2 x
3/
4in.)
Weight
Approx. 158 g, (5.5 oz) (including the rechargeable battery,
excluding the battery case)
· Dolby noise reduction manufactured under license from Dolby
Laboratories Licensing Corporation.
"DOLBY" and the double-D symbol
are trademarks of Dolby
Laboratories Licensing Corporation.
2


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DESCRIPTION
REF.NO.
KANRI
NO.
PARTNO.
KANRI
NO.
REF.NO.
DESCRIPTION
PARTNO.
DESCRIPTION
REF.NO.
KANRI
NO.
PARTNO.
KANRI
NO.
REF.NO.
DESCRIPTION
PARTNO.
3
4
88
A
Resistor Code
Chip Resistor Part Coding
Figure
Value of resistor
Chip resistor
Wattage
Type
Tolerance
1/16W
1/10W
1/8W
1608
2125
3216
5%
5%
5%
CJ
CJ
CJ
Form
LW
t
1.6
0.8
0.45
2
1.25
0.45
3.2
1.6
108
118
128
: A
: A
CHIP RESISTOR PART CODE
0.55
Resistor Code
Dimensions (mm)
Symbol
1/16W
1005
5%
CJ
1.0
0.5
0.35
104
L
t
W
ELECTRICAL MAIN PARTS LIST
IC
87-A21-179-010
C-IC,TA2123AF
87-A21-061-010
C-IC,ML63512-120
87-A21-050-040
C-IC,S-80810ANNP-E70-T2
87-A20-603-140
C-IC,RN5RK241A
87-A20-961-040
C-IC,MM1279XV
87-A20-818-040
C-IC,NJM2185AV
TRANSISTOR
89-113-625-080
TR,2SA1362GR
87-026-535-080
C-TR,RN4907
87-026-418-080
TR,RN1311
89-342-132-080
TR,2SC4213B
87-026-417-080
TR,RN1310
89-341-165-080
C-TR,2SC4116GR
87-026-481-080
C-TR,RN4607
DIODE
87-001-553-080
C-DIODE 1SS322
MAIN C.B
C101
87-012-273-080
C-CAP,U 820P-50 B
C102
87-012-273-080
C-CAP,U 820P-50 B
C103
87-012-273-080
C-CAP,U 820P-50 B
C104
87-012-273-080
C-CAP,U 820P-50 B
C105
87-A10-952-080
C-CAP,TN 22-4 M A MCM
C106
87-A10-952-080
C-CAP,TN 22-4 M A MCM
C107
87-016-114-080
C-CAP,U0.01-25B
C108
87-016-114-080
C-CAP,U0.01-25B
C109
87-010-828-080
CHIP CAPACITOR,U 0.033-
C110
87-010-828-080
CHIP CAPACITOR,U 0.033-
C111
87-A10-025-080
C-CAP,U 0.22-16Z F
C112
87-A10-031-080
C-CAP,U 0.01-25 KB
C113
87-A10-263-080
C-CAP,U 0.1-16ZF
C114
87-A11-056-080
C-CAP,U 1-10 Z F
C115
87-A10-952-080
C-CAP,TN 22-4 M A MCM
C116
87-A11-244-080
C-CAP,TN 47-4 A MCM
C117
87-A10-707-080
C-CAP,U 0.47U-16 F Z
C118
87-A10-707-080
C-CAP,U 0.47U-16 F Z
C119
87-A10-707-080
C-CAP,U 0.47U-16 F Z
C120
87-A10-704-080
C-CAP,TN 100-2.5 M B2
C121
87-A10-704-080
C-CAP,TN 100-2.5 M B2
C122
87-010-424-080
CAPACTOR,TANTAL 4.7-4
C123
87-A11-063-080
C-CAP,S 4.7-10 Z F
C124
87-A10-707-080
C-CAP,U 0.47U-16 F Z
C125
87-A10-263-080
C-CAP,U 0.1-16ZF
C126
87-A10-263-080
C-CAP,U 0.1-16ZF
C127
87-A10-031-080
C-CAP,U 0.01-25 KB
C128
87-A10-031-080
C-CAP,U 0.01-25 KB
C129
87-016-462-080
C-CAP,S 1-16 F
C130
87-016-462-080
C-CAP,S 1-16 F
C131
87-012-274-080
CHIP CAP,U 1000P-50B
C132
87-012-274-080
CHIP CAP,U 1000P-50B
C133
87-A10-025-080
C-CAP,U 0.22-16Z F
C134
87-A10-707-080
C-CAP,U 0.47U-16 F Z
C135
87-A11-056-080
C-CAP,U 1-10 Z F
C136
87-A10-707-080
C-CAP,U 0.47U-16 F Z
C137
87-A10-707-080
C-CAP,U 0.47U-16 F Z
C138
87-A11-063-080
C-CAP,S 4.7-10 Z F
C139
87-A10-025-080
C-CAP,U 0.22-16Z F
C140
87-A11-062-080
C-CAP,S 2.2-16 Z F
C141
87-A11-063-080
C-CAP,S 4.7-10 Z F
C142
87-016-317-080
C-CAP,TN 2.2-6.3
C143
87-A10-952-080
C-CAP,TN 22-4 M A MCM
C151
87-016-462-080
C-CAP,S 1-16 ZF
C152
87-016-462-080
C-CAP,S 1-16 ZF
C153
87-012-274-080
C-CAP,U 1000P-50 KB
C154
87-010-746-080
C-CAP,TN 10-4 M 125
C155
87-016-526-080
C-CAP,S 0.47-16 BK
C156
87-016-526-080
C-CAP,S 0.47-16 BK
C157
87-016-460-080
C-CAP,S 0.22-16 KB
C158
87-016-460-080
C-CAP,S 0.22-16 KB
C159
87-010-746-080
C-CAP,TN 10-4 M 125
C160
87-016-462-080
C-CAP,S 1-16 F
C161
87-016-462-080
C-CAP,S 1-16 F
C201
87-016-462-080
C-CAP,S 1-16 Z F
C202
87-010-505-080
CAP,CHIP TANTALUM 1-16
C203
87-A10-263-080
C-CAP,U 0.1-16ZF
C204
87-A10-263-080
C-CAP,U 0.1-16ZF
C205
87-A11-056-080
C-CAP,U 1-10 Z F
C206
87-A11-056-080
C-CAP,U 1-10 Z F
C207
87-A10-263-080
C-CAP,U 0.1-16ZF
C208
87-A10-263-080
C-CAP,U 0.1-16ZF
C209
87-010-787-080
CAP, U 0.022-25
C210
87-A10-263-080
C-CAP,U 0.1-16 Z F
C211
87-012-270-080
CHIP CAP,U 470P-50B
C212
87-012-270-080
CHIP CAP,U 470P-50B
C214
87-012-274-080
CHIP CAP,U 1000P-50B
C215
87-A10-263-080
C-CAP,U 0.1-16 Z F
C216
87-A10-263-080
C-CAP,U 0.1-16 Z F
C251
87-016-462-080
C-CAP,S 1-16 F
C252
87-A10-952-080
C-CAP,TN 22-4 M A MCM
C253
87-A10-263-080
C-CAP,U 0.1-16 Z F
C254
87-A10-953-080
C-CAP,TN 47-4 M B2 MCM
C255
87-A10-034-080
C-CAP,TN 33-10(B2)
C256
87-A10-263-080
C-CAP,U 0.1-16ZF
C257
87-A10-952-080
C-CAP,TN 22-4 M A MCM
C261
87-A11-062-080
C-CAP,S 2.2-16 ZF
C271
87-A11-062-080
C-CAP,S 2.2-16 ZF
C301
87-A10-031-080
C-CAP,U 0.01-25 KB
C302
87-A10-260-080
C-CAP,U 0.1-16 K B
C303
87-A11-063-080
C-CAP,S 4.7-10 Z F
C304
87-A10-263-080
C-CAP,U 0.1-16ZF
C305
87-A10-707-080
C-CAP,U 0.47-10 ZF
C306
87-A10-707-080
C-CAP,U 0.47U-16 F Z
C307
87-A10-031-080
C-CAP,U 0.01-25 KB
C308
87-A10-031-080
C-CAP,U 0.01-25 KB
C309
87-A10-031-080
C-CAP,U 0.01-25 KB
D201
87-A90-278-080
C-LED,SML-210VT RED
J101
85-HK3-605-010
JACK,DIA3.5 ST 5P
L200
87-003-375-080
C-COIL,1608 10UH K MLF1608
L251
87-A50-352-080
C-COIL, 100UH NP 05DB101M
PS261
87-A91-374-080
C-SNSR,PHOTO, NJL5194KN
PS271
87-A91-374-080
C-SNSR,PHOTO, NJL5194KN
R103
87-022-279-080
CHIP RES,U 470-1/16W F
R104
87-022-279-080
CHIP RES,U 470-1/16W F
R105
87-022-215-080
CHIP RES,U 1K-1/16W F
R106
87-022-215-080
CHIP RES,U 1K-1/16W F
R107
87-022-243-080
CHIP RES,U 15K-1/16W F
R108
87-022-243-080
CHIP RES,U 15K-1/16W F
R109
87-022-292-080
CHIP RES U 330K-1/16W F
R110
87-022-292-080
CHIP RES U 330K-1/16W F
R151
87-022-252-080
CHIP RES,U 36K-1/16W F
R214
87-022-243-080
CHIP RES,U 15K-1/16W F
R215
87-022-243-080
CHIP RES,U 15K-1/16W F
S101
8Z-HK4-606-010
SW,LEAF 7ZM-1
S201
87-A90-330-080
C-SW,SL 1-1-2 SSSS81
S202
87-A90-330-080
C-SW,SL 1-1-2 SSSS81
S203
87-A90-665-180
C-SW,TACT LS7A2M
S204
87-A90-665-180
C-SW,TACT LS7A2M
S205
87-A90-665-180
C-SW,TACT LS7A2M
S206
87-A90-665-180
C-SW,TACT LS7A2M
S207
87-036-237-080
CHIP SWICH PUSH
S208
87-036-237-080
CHIP SWICH PUSH
S209
8Z-HK4-607-010
SW,LID 7ZM-1
SFR301
87-A91-092-080
C-SFR,68K RH03APA
TH301
87-A91-190-080
C-THMS,10K(2125)NSF2103J
VR101
87-024-686-080
C-VR,20KAX2 DIA14
X201
87-A70-151-110
VIB,XTAL 32.768KHZ VT-
HEAD FLEX C.B
PH1
87-ZM1-601-010
HEAD ASSY, 7ZM-1


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WIRING
6
5
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
AA
BB
CC
DD
EE
FF
GG
HH
II
JJ
KK
LL
MM
NN
OO
PP
QQ
RR
SS
TT
UU


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SCHEMATIC DIAGRAM
8
7