SERVICE MANUAL
HS-TX494
HS-TX496
HS-TX591
HS-TX594
HS-TX596
YU,YZ
YH,YJ,YL,YZ
YU
YZ
YH,YJ,YL,YZ
STEREO RADIO CASSETTE
PLAYER
BASIC TAPE MECHANISM : 8ZM-3 P2N
8ZM-3 P3N
S/M Code No. 09-995-407-8R1
REVISION
SPECIFICATIONS
2
Frequency range:
AM: 530/531 1.710/1.602 kHz (10/9 kHz step)
531 1.629 kHz (9 kHz step)<EXCEPT YZ>
FM1,FM2: 87.5/87.5 108/108.1 MHz (50/200 kHz step)
76 108 MHz (100 kHz step in 76 90 MHz,
50 kHz step in 90 108 MHz)<EXCEPT YZ>
TV:<591YU ONLY>
WEATHER:<591YU ONLY>
Maximum output:
4 mW + 4 mW (EIAJ/16 ohms)<YZ ONLY>
12 mW + 12 mW (EIAJ/32 ohms)
Load impedance:
16 32 ohms<YZ ONLY>
Power source:
Battery DC 3V, R6 (size AA) x 2
Domestic AC power (using optional AC adaptor: AIWA AC-D302)
Battery lift (EIAJ,
1mW output,playback): Approx.7hours using R6P (size AA) manganese batteries
Approx.24hours using LR6 (size AA) alkaline batteries
Maximum dimensions
(W x H x D):
112.8 x 88 x 32.7 mm (41/
2 x 3
1
/
2 x 1
5
/
16inches)
Weight
(excluding batteries):
Approx.140 g (4.9 oz)
Accessories:
Stereo headphones (1)<494/496 YZ, 494 YU, 496 YL, 496 YH/YL, 591 YU>
Stereo headphones equipped with remote control (1)<594/596 YZ, 596 YL, 596 YH/YL>
Belt clip (1)
Supplied headphones:
HPM007:<494/496 YZ>
HPMR105:<594/596 YZ>
Type: Inear type
Impedance: 32 ohms
Sensitivity: 105 dB/mW
Recommended
commercially
avaiable headphones:
Type:
Inear/Headband type/Vertical type<494/496 YZ>
Inear/Headband type/Vertical type<594/596 YZ>
Impedance: 1632 ohms
Sensitivity: 100109 dB/mW
Design and specifications are subject to change without notice.
2ch
59.75 MHz
3ch
65.75 MHz
4ch
71.75 MHz
5ch
81.85 MHz
6ch
87.85 MHz
7ch
179.75 MHz
8ch
185.75 MHz
9ch
191.75 MHz
10ch
197.75 MHz
11ch
203.75 MHz
12ch
209.75 MHz
13ch
215.75 MHz
1ch
2ch
3ch
4ch
5ch
6ch
7ch
162.550 MHz
162.440 MHz
162.475 MHz
162.425 MHz
162.450 MHz
162.500 MHz
162.525 MHz
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
C99
87-A10-422-080 C-CAP,TN 10-4 A TCF
C101
87-A10-047-080 CAP,U 1-10 ZF<EXCEPT 591YU>
C102
87-012-274-080 C-CAP,U 1000P-50 K B
C103
87-A10-047-080 C-CAP,U 1-10 Z F
C104
87-010-831-080 C-CAP,U,0.1-16F
C105
87-010-503-010
CAP,E 220-4 GAS
C110
87-010-853-080
C-CAP,220-4V H5.5
C201
87-A10-504-080
C-CAP,U 0.047-16 KB<591YU>
C201
87-012-286-080
CAP,U 0.01-25<EXCEPT 591YU>
C202
87-012-273-080
CAP,U 820P-50B<EXCEPT 591YU>
C202
87-012-286-080
CAP,U 0.01-25<591YU>
C203
87-012-172-080
C-CAP,U 10P CH<EXCEPT 591YU>
C204
87-012-180-080
C-CAP,U 22P-50 CH<591YU>
C205
87-012-272-080
C-CAP,U 680P-50B<591YU>
C205
87-012-272-080
CAP,U 680P-50B<EXCEPT 591YU>
C206
87-012-168-080
CAP,U 6P-50 CH<EXCEPT 591YU>
C207
87-012-286-080
CAP, U 0.01-25
C208
87-012-286-080
CAP, U 0.01-25<591YU>
C209
87-012-186-080
C-CAP,U 39P-50 CH<591YU>
C210
87-012-156-080
CAP,220P-50 CH<EXCEPT 591YU>
C210
87-012-272-080
CAP,U 680P-50 K B GRM<591YU>
C212
87-012-286-080
CAP, U 0.01-25
C213
87-012-195-080
C-CAP,U 100P-50CH<591YU>
C215
87-012-162-080
C-CAP,U 1P-50 CK<591YU>
C216
87-012-162-080
CAP,U 1P-50 CK<EXCEPT 591YU>
C216
87-012-162-080
C-CAP,U 1P-50 CK<591YU>
C217
87-A10-047-080
CAP,U 1-10 Z F<EXCEPT 591YU>
C222
87-010-831-080
C-CAP,U 0.1-16 Z F<591YU>
C222
87-010-831-080
CAP,U,0.1-16F<EXCEPT 591YU>
C224
87-012-336-080
CAP, CHIP SS 330P SL<591YU>
C224
87-012-274-080
CAP,U 1000P-50B<EXCEPT 591YU>
C225
87-A10-047-080
C-CAP,U 1-10 Z F<591YU>
C226
87-A10-047-080
C-CAP,U 1-10 Z F
C227
87-012-273-080
C-CAP,U 820P-50 B<591YU>
C228
87-012-274-080
C-CAP,U 1000P-50 K B<591YU>
C229
87-010-831-080
C-CAP,U,0.1-16F
C230
87-010-831-080
C-CAP,U,0.1-16F
C231
87-010-959-080
CHIP CAP,U 0.056-16F<591YU>
C231
87-010-959-080
CAP,U 0.056-16F<EXCEPT 591YU>
C232
87-010-959-080
CHIP CAP,U 0.056-16F
C233
87-012-287-080
CAP,U 0.015-25F<EXCEPT 591YU>
C233
87-012-275-080
C-CAP,U 1200P-50 B<591YU>
C234
87-012-287-080
CAP,U 0.015-25F<EXCEPT 591YU>
C234
87-012-275-080
C-CAP,U 1200P-50 B<591YU>
C235
87-012-286-080
C-CAP,U 0.01-25 K B<591YU>
C235
87-A10-047-080
CAP,U 1-10 Z F<EXCEPT 591YU>
C236
87-A10-420-080
C-CAP,TN 4.7-4 A TCF<591YU>
C236
87-A10-420-080
CAP,TN 4.7-4 <EXCEPT 591YU>
C237
87-A10-047-080
CAP,U 1-10 Z F<EXCEPT 591YU>
C237
87-A10-047-080
C-CAP,U 1-10 Z F<591YU>
C238
87-012-286-080
CAP, U 0.01-25<591YU>
C239
87-012-358-080
C-CAP,S 0.47-10 F Z<591YU>
C239
87-A10-707-080
CAP,U 0.47-10FZ<EXCEPT 591YU>
C240
87-010-574-080
CAP,S 470P<EXCEPT *1,494YZ>
C240
87-012-193-080
C-CAP,U 82P-50 CH<591YU>
C240
87-012-193-080
CAP,82P <496YL,494YU,494YZ>
C241
87-012-170-080
C-CAP,U 8P-50 CH<591YU>
C241
87-012-176-080
CAP 15P<EXCEPT 591YU>
C242
87-010-574-080
CAP,S 470P-50UJ<EXCEPT 591YU>
C242
87-012-193-080
CAP,U 82P CH<EXCEPT *1,494YZ>
C242
87-012-270-080
CAP, U 470P-50<591YU>
C243
87-012-172-080
CAP,U 10P-50DCH<EXCEPT 591YU>
C243
87-012-174-080
C-CAP CERA SS 12P CHJ<591YU>
C244
87-010-831-080
CAP,U,0.1-16F<EXCEPT 591YU>
C244
87-010-787-080
CAP, U 0.022-25<591YU>
C245
87-012-275-080
C-CAP,U 1200P-50 B<591YU>
C245
87-012-272-080
CAP,U 680P GRM<496YL,494YU>
C246
87-012-271-080
C-CAP,U 560P-50 K B<591YU>
C247
87-012-286-080
CAP, U 0.01-25<591YU>
C248
87-012-274-080
C-CAP,U 1000P-50 K B<591YU>
IC
87-002-423-080
IC,TA2002 FN
87-017-370-080
IC,MM1038AFF
87-A20-745-040
C-IC,TA2030FN<591YU>
87-A21-215-040
C-IC,TA2104AFN<EXCEPT 591YU>
87-A21-232-040
C-IC,TA2111FN<591YU>
87-A21-119-010
C-IC,TC9318FB-038<591YU>
87-A21-272-010
IC,TC9318FB-046<EXCEPT 591YU>
87-A20-124-080
IC, TK11823
TRANSISTOR
87-026-414-080
C-TR RN1307
87-026-418-080
TR,RN1311 (0.1W)
87-026-417-080
TR,RN1310
89-113-625-080
TR,2SA1362GR(120MHZ,0)
87-026-425-080
C-TR,RN2307<591YU>
87-026-268-080
C-TR,RN2411<591YU>
87-026-429-080
TR,RN2311<EXCEPT *1>
87-026-423-080
C-TR,RN2305<*1>
89-327-143-080
C-TR,2SC2714O
89-342-153-080
TR,2SC4215<591YU>
89-341-165-080
CHIP TRANSISTOR 2SC4116GR
87-026-411-080
C-TR RN1304<EXCEPT 591YU>
87-026-261-080
CHIP-TR,RN1404<591YU>
DIODE
87-001-553-080
C-DIODE 1SS322<591YU>
87-A40-642-040
C-DIODE,1SS367<EXCEPT 591YU>
87-A40-630-040
C-DIODE,RB411D
87-A40-485-070
C-VARI-CAP,SVC208
87-A40-471-070
C-VARI-CAP,KV1435<591YU>
87-A40-462-040
C-VARI-CAP,SVC347(S)
MAIN C.B
BPF201
87-A90-609-010
FLTR,BPF GFMB7<YZ>
BPF201
87-A90-601-010
FLTR,BPF GFWB7<EXCEPT YZ,591YU>
BPF201
87-A90-709-010
FLTR,GTVSB3<591YU>
C 1
87-012-274-080
CAP,1000P<591YU,496YL,494YU>
C 2
87-012-274-080
CAP,1000P<591YU,496YL,494YU>
C 3
87-A10-952-080
C-CAP,TN 22-4 M A MCM
C 4
87-A10-952-080
C-CAP,TN 22-4 M A MCM
C 5
87-012-276-080
CAP, CHIP SS 1500 PBK
C 6
87-012-276-080
CAP, CHIP SS 1500 PBK
C 7
87-A10-504-080
C-CAP,U 0.047-16 K B
C 8
87-A10-504-080
C-CAP,U 0.047-16 K B
C 9
87-A10-047-080
C-CAP,U 1-10 Z F
C10
87-A10-047-080
C-CAP,U 1-10 Z F
C11
87-A10-047-080
C-CAP,U 1-10 Z F
C12
87-A10-047-080
C-CAP,U 1-10 Z F
C13
87-012-336-080
CAP, CHIP SS 330P SL
C14
87-012-336-080
CAP, CHIP SS 330P SL
C15
87-010-831-080
C-CAP,U,0.1-16F
C16
87-010-831-080
C-CAP,U,0.1-16F
C17
87-010-831-080
C-CAP,U 0.1-16 Z F
C18
87-010-831-080
C-CAP,U 0.1-16 Z F
C19
87-010-674-080
CAP,ELECT 220-2
C20
87-010-674-080
CAP,ELECT 220-2
C90
87-A10-047-080
CAP,U 1-10 Z F<EXCEPT 591YU>
C92
87-010-831-080
C-CAP,U,0.1-16F
C93
87-A10-952-080
CAP,TN 22-4 <EXCEPT 591YU>
C93
87-A11-244-080
C-CAP,TN 47-4 A MCM<591YU>
C94
87-A10-952-080
C-CAP,TN 22-4 M A MCM
C95
87-010-853-080
C-CAP,220-4V H5.5
C96
87-A10-047-080
CAP,U 1-10 Z F<EXCEPT 591YU>
C96
87-010-505-080
CAP,CHIP TANTALUM 1-16<591YU>
C98
87-A10-047-080 C-CAP,U 1-10 Z F
4
C248
87-012-195-080
CAP,U 100P-50CH<EXCEPT 591YU>
C249
87-012-286-080
CAP, U 0.01-25<591YU>
C250
87-010-853-080
CAP,220-4V H5.5<EXCEPT 591YU>
C250
87-010-853-080
C-CAP,220-4V H5.5<591YU>
C251
87-012-286-080
C-CAP,U 0.01-25 K B<591YU>
C251
87-012-195-080
CAP,U 100P-50CH<EXCEPT 591YU>
C252
87-012-271-080
CAP, U 560P-50<591YU>
C253
87-012-286-080
C-CAP,U 0.01-25 K B
C259
87-012-167-080
C-CAP,U 5P-50 CH<591YU>
C290
87-010-787-080
CAP, U 0.022-25<494YZ>
C301
87-012-277-080
CAP,U 1800P<EXCEPT 591YU>
C302
87-012-277-080
C-CAP,U 1800P-50 B
C303
87-012-277-080
C-CAP,U 1800P-50 B
C304
87-012-277-080
C-CAP,U 1800P-50 B
C308
87-A10-047-080
C-CAP,U 1-10 Z F
C309
87-A10-047-080
C-CAP,U 1-10 Z F
C310
87-A10-047-080
CAP,U 1-10 Z F<EXCEPT 591YU>
C311
87-012-174-080
CAP CHIP CERA SS 12P CHJ
C312
87-012-176-080
CAP 15P
C313
87-A10-047-080
C-CAP,U 1-10 Z F
C314
87-010-831-080
C-CAP,U 0.1-16 Z F
C315
87-010-831-080
C-CAP,U 0.1-16 Z F
C317
87-A10-047-080
C-CAP,U 1-10 Z F
C318
87-016-462-080
C-CAP,S 1-16 F<EXCEPT 591YU>
C318
87-A10-047-080
C-CAP,U 1-10 Z F<591YU>
C319
87-010-787-080
CAP, U 0.022-25
C320
87-010-505-080
CA, CHIP TANTALUM 1-16
C321
87-012-286-080
CAP, U 0.01-25
C322
87-012-337-080
C-CAP,U 56P-50 CH
C323
87-012-167-080
C-CAP,U 5P-50 CH
C324
87-012-170-080
C-CAP,U 8P-50 CH
C325
87-012-188-080
CAP,U 47P-50 CH<EXCEPT 591YU>
C326
87-A10-047-080
CAP,U 1-10 Z F<EXCEPT 591YU>
C326
87-A10-047-080
C-CAP,U 1-10 Z F<591YU>
C901
87-012-274-080
CHIP CAP,U 1000P-50B
C902
87-010-831-080
CAP,U,0.1-16F<EXCEPT 591YU>
C904
87-012-274-080
CAP,U 1000P<EXCEPT 591YU>
C906
87-A10-047-080
C-CAP,U 1-10 Z F<591YU>
C907
87-012-274-080
C-CAP,U 1000P-50 K B<591YU>
C909
87-012-271-080
CAP, U 560P-50<591YU>
C914
87-012-274-080
CHIP CAP,U 1000P-50B<591YU>
C999
87-012-270-080
CAP, U 470P-50<494YZ1>
CF202
87-A91-321-080
FLTR,SFECV10.7MA5A-TC<591YU>
CF202
87-A91-343-010
FLTR,SK107M2N <EXCEPT 591YU>
CF203
87-A90-456-080
C-FLTR,PFWCC 450J3<591YU>
CF203
87-A90-710-010
AM IF PF S450A3<EXCEPT 591YU>
CF204
87-A91-313-080
FLTR,CDACV10.7 <591YU>
CF204
87-A91-313-080
FLTR,CDACV10.7<EXCEPT 591YU>
CT201
87-A91-183-080
TRIMMER,CER10P<EXCEPT 591YU>
CT202
87-A91-183-080
TRIMMER,CER 10P TZC03<591YU>
IFT201
87-005-788-080
IFT,AM 5M 5CLD<EXCEPT 591YU>
IFT201
87-005-788-080
C-IFT,AM 5M 5CLD<591YU>
J 1
87-A60-438-010
JACK,SW (1537)<EXCEPT *2>
J 1
87-A60-437-010
JACK,SW 4P(1637)<*2>
J101
87-A60-849-010
JACK,DC DIA 2.75 BLK
L 1
87-003-231-080
C-COIL 1UH<EXCEPT 591YU>
L 1
87-003-240-080
C-COIL,S 3.3UH<591YU>
L 2
87-003-231-080
C-COIL 1UH<EXCEPT 591YU>
L 2
87-003-240-080
C-COIL,S 3.3UH<591YU>
L 3
87-003-231-080
C-COIL 1UH<EXCEPT 591YU>
L 3
87-003-240-080
C-COIL,S 3.3UH<591YU>
L 4
87-003-243-080
C-COIL,S 10UH<*2>
L101
87-003-243-080
COIL,2125 10UH <EXCEPT 591YU>
L201
8Z-HRB-605-080
C-COIL,RF TV<591YU>
L202
8Z-HRB-603-080
C-COIL,RF FM<591YU>
L202
8Z-HRB-610-010
COIL,FM RF<EXCEPT 591YU>
L203
8Z-HRB-604-080
C-COIL,OSC TV<591YU>
L204
8Z-HRB-602-080
C-COIL,OSC FM<591YU>
L204
8Z-HRB-609-010
COIL,FM OSC<EXCEPT 591YU>
L205
87-005-898-080
COIL,S 2.2UH K LK2125<591YU>
L206
87-HRA-603-010
BAR-ANT,MW
L207
87-003-226-080
INDUCTOR 100UJ<EXCEPT 591YU>
L207
87-003-226-080
INDUCTOR 100UJ<591YU>
L208
87-003-231-080
C-COIL 1UH<591YU>
L301
87-A50-037-080
C-COIL,D-D 5CDLU<591YU>
L301
87-A50-230-080
COIL,D-D<EXCEPT 591YU>
L900
87-003-243-080
C-COIL,S 10UH<591YU>
LCD301
8Z-HR9-603-010
LCD,HS ASSY(BAND/TU)
R97
87-012-270-080
CAP470P<EXCEPT 591YU,494YZ>
R111
87-022-656-080
C-RES,K43G 0.68
R998
87-012-286-080
CAP, U 0.01-25<591YU>
S 1
8Z-HRB-607-010
SW,SL 2-2-2 SSZZ-S-502(S)
S 2
87-A90-050-010
SW, SL 2-2-2 NS (BLK)
S101
87-A91-077-010
SW,LEAF
S301
87-A91-320-080
SW,SL 1-1-2 SSSS8A2-B-2B(NC)
S302
87-A90-665-180
C-SW,TACT LS7A2M
S303
87-A90-665-180
C-SW,TACT LS7A2M
SFR101
87-024-050-010
SEMI-FIXED RESISTOR, 1K
TH101
87-A91-322-080
C-THMS,157-101-53028-TP
TH301
87-A90-547-080
C-THMS,47K (5%)NTH 5G
VR1
87-A90-818-010
VR,RTRY 20KCX2
X301
87-A70-187-010
VIB,XTAL 75KHZ CFV206
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 1/1
NOTE:
*1:591YU,496YL,494YU
*2:596YL,594YZ,596YH,596YJ596YZ
RN1307
RN1311
RN1310
2SA1362GR
RN2307
RN2411
RN2311
TRANSISTOR ILLUSTRATION
B
E
C
RN2305
2SC2714O
2SC4215
2SC4116GR
RN1304
RN1404
IC BLOCK DIADRAM
LCD DIADRAM
6
5
Pin No.
Pin Name
I/O
Description
1 ~ 3
COM1 ~ COM3
O
LCDcommonoutput.
4 ~ 22
S1 ~ S19
O
LCDsegmentoutput.
23 ~ 26
S20 ~ S23
-
Not used.
27 ~ 30
K0 ~ K3
I
Key matrix input.
31 ~ 34
T0 ~ T3
O
Key return timing output.
35
FM/AM
O
H: FM/TV/Weather,L:AM
36
MSP
O
The output port is used for Super-Bass On/Off.
37
MSP
O
Not used.
38
TV OUT
O
H: TVH or Weather band .
39,40
DES
I
These two ports combined with K0 ~ K3 determine the destination.
41
TAPE IN
I
H: Tape ON, L: Tape OFF.
42
POWER CHECK
I
A/D in for power supply voltage level.
43
REMOTE
I
A/D in for remote controller.
44
POWER SW
O
H: Power OFF, L: Power ON.
45
HOLD
I
H: Hold ON, L: Hold OFF.
46
BUZZER
O
Buzzeroutput.
47
MUTE
O
Mute output.
48
TEST
-
Microcontroller test terminal (Not used).
49
WAKE UP
I
Wake up the system from memory back-up mode.
50
IF IN
I
IF frequency input.
51
TU OUT
O
L: Tuner ON.
52
PLL OUT
O
Phase comparison output.
53
GND
-
GND.
54
FM IN
I
Not used.
55
AM IN
I
AM oscillator signal input.
56
VDD
-
Supplyvoltageterminal.
57
RESET
I
System reset input.
58
XOUT
59
XIN
60
VXT
-
Power supply for crystal oscillator.
61
VLCD
-
Reference voltage for LCD driver (Not connected).
62, 63
C1,C2
Voltage doubler boosting.
64
VEE
-
Constant 1.5V for LCD driver.
IC, TC9318FB-038<591YU ONLY>
IC DESCRIPTION
Crystal oscillator pin.
I/O
1 ~ 3
COM1 ~ COM3
O
LCDcommonoutput.
4 ~ 22
S1 ~ S19
O
LCDsegmentoutput.
23 ~ 26
S20 ~ S23
-
Not used.
27 ~ 30
K0 ~ K3
I
Key matrix input.
31 ~ 34
T0 ~ T3
O
Key return timing output.
35
FM/AM
O
H: FM,L:AM
36
MSP
O
The output port is used for Super-Bass On/Off.
37
MSP
O
Not used.
38
TV OUT
O
Not used .
39,40
DES
I
These two ports combined with K0 ~ K3 determine the destination.
41
TAPE IN
I
H: Tape ON, L: Tape OFF.
42
POWER CHECK
I
A/D in for power supply voltage level.
43
REMOTE
I
A/D in for remote controller.
44
POWER SW
O
H: Power OFF, L: Power ON.
45
HOLD
I
H: Hold ON, L: Hold OFF.
46
BUZZER
O
Buzzeroutput.
47
MUTE
O
Mute output.
48
TEST
-
Microcontroller test terminal (Not used).
49
WAKE UP
I
Wake up the system from memory back-up mode.
50
IF IN
I
IF frequency input.
51
TU OUT
O
L: Tuner ON.
52
PLL OUT
O
Phase comparison output.
53
GND
-
GND.
54
FM IN
I
Not used.
55
AM IN
I
AM oscillator signal input.
56
VDD
-
Supplyvoltageterminal.
57
RESET
I
System reset input.
58
XOUT
59
XIN
60
VXT
-
Power supply for crystal oscillator.
61
VLCD
-
Reference voltage for LCD driver (Not connected).
62, 63
C1,C2
Voltage doubler boosting.
64
VEE
-
Constant 1.5V for LCD driver.
IC, TC9318FB-046<EXCEPT 591YU >
IC DESCRIPTION
Crystal oscillator pin.
I/O
Pin No.
Pin Name
I/O
Description
7
8