Aiwa CR-DS800 YZ1, CR-DS800 YH1 Service Manual

CR-DS800

YH1(N),YZ1(N)

SERVICE MANUAL

STEREO RADIO RECEIVER

This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
(S/M Code No.09-99A-336-1T1)

.

S/M Code No. 09-99A-336-1R1

REVISION

DATA

SPECIFICATIONS

Frequency range:
Reception area “E” AM 531-1,602 kHz (9 kHz steps)

FM1, FM2 87.5-108 MHz (50 kHz steps)
Reception area “
[YH1(N)] FM1, FM2 76.0-108 MHz

Reception area “U” AM530-1,710 kHz (10 kHz steps)

Maximum output: 85 mW (EIAJ 8 ohms)

Battery life: Using an alkaline battery LR03

J” AM531-1,629 kHz (9 kHz steps)

(100 kHz steps in 76-90 MHz, 50 kHz steps in 90-108 MHz)

FM1, FM2 87.5P-108.1 MHz (200 kHz steps)

8 mW + 8 mW (EIAJ 32 ohms)

Band Headphones Speaker
AM Approx. 43 hours Approx. 23 hours
FM Approx. 29 hours Approx. 19 hours

Using a manganese battery R03

Band Headphones Speaker
AM Approx. 21 hours Approx. 11 hours
FM Approx. 14 hours Approx. 9 hours

Power sources: DC 1.5 V using an R03 (size AAA) dry cell battery
Maximum dimensions: 54.5 (W) x 85.5 (H) x 15.4 (D) mm (2

1

/4 x 3 3/8 x 5/8 in.)

Weight: Approx. 52 g (1.8 oz.) excluding battery

• Design and specifications are subject to change without notice.

ACCESSORIES LIST

REF. NO PART NO. KANRI DESCRIPTION

NO.

1 8A-RC2-905-010 IB,YH(ECK)C<YH>
1 8A-RC2-907-010 IB,YZ(EGF)C<YZ>
1 8A-RC2-908-010 IB,YZ(SID)C<YZ>
1 8A-RC2-909-010 IB,YZ(PHNCZ)C<YZ>
2 8A-RC2-801-010 CASE,CARRING

2

ELECTRICAL MAIN PARTS LIST

REF. NO PART NO. KANRI DESCRIPTION

IC
87-A21-260-110 C-IC,UPD17934A-514

87-A20-745-040 C-IC,TA2030FN
87-A20-076-040 C-IC,TA2022AFN
87-A20-840-040 C-IC,NJM2076M
87-A20-124-080 IC, TK11823

87-A20-819-040 C-IC,S-80811ANNP
87-A21-050-040 C-IC,S-80810ANNP
87-A21-237-040 C-IC,S-81211SG-QA-X

TRANSISTOR
89-508-824-080 CHIP FET,2SK882Y

87-026-470-080 TR,HN1C03FB(0.3W)
89-508-804-080 CHIP FET 2SK880Y
87-026-425-080 C-TR,RN2307
89-115-884-080 CHIP -TRANSISTER 2SA1588Y

89-342-153-080 TR,2SC4215O
89-113-625-080 TR,2SA1362GR(120MHZ,0.
89-341-165-080 CHIP TRANSISTOR 2SC4116GR
87-A30-314-040 C-TR,BC847CT116

MAIN C.B
BPF101 87-008-406-080 BPF GFMB1<YZ>

BPF101 87-030-141-080 BPF GFWB1<YH>
C1 87-A10-263-080 C-CAP,U 0.1-16ZF
C2 87-A10-263-080 C-CAP,U 0.1-16ZF
C3 87-A10-031-080 C-CAP,U 0.01-25 KB

C4 87-A10-263-080 C-CAP,U 0.1-16ZF
C5 87-012-274-080 CHIP CAP,U 1000P-50B
C6 87-012-268-080 C-CAP,U 330P-50 B
C7 87-A10-031-080 C-CAP,U 0.01-25 KB
C8 87-A10-263-080 C-CAP,U 0.1-16 Z F

C9 87-A10-263-080 C-CAP,U 0.1-16ZF
C10 87-A10-263-080 C-CAP,U 0.1-16ZF
C102 87-012-275-080 C-CAP,U 1200P-50 B
C103 87-A10-031-080 C-CAP,U 0.01-25 KB
C104 87-012-174-080 CAP CHIP CERA SS 12P CHJ

C106 87-012-157-080 C-CAP,S 330P-50 CH
C107 87-012-172-080 CAPACITOR CHIP U 10P CH
C108 87-A10-031-080 C-CAP,U 0.01-25 KB
C110 87-010-149-080 C-CAP,S 5P-50 CH
C114 87-010-173-080 C-CAP,S 390P-50 SL

C116 87-A10-031-080 C-CAP,U 0.01-25 KB
C118 87-012-193-080 C-CAP,U 82P-50 CH
C119 87-010-805-080 CAP, S 1-16
C120 87-A10-263-080 C-CAP,U 0.1-16ZF
C121 87-012-274-080 CHIP CAP,U 1000P-50B

C122 87-A10-047-080 C-CAP,U 1-10 Z F
C123 87-A10-263-080 C-CAP,U 0.1-16ZF
C124 87-A10-263-080 C-CAP,U 0.1-16ZF
C125 87-A10-110-080 C-CAP,U 820P-50JB
C126 87-A10-263-080 C-CAP,U 0.1-16ZF

C127 87-010-829-080 CAP, U 0.047-16
C128 87-012-284-080 C-CAP,U 6800P-50 KB
C129 87-012-278-080 C-CAP,U 2200P-50 KB
C130 87-016-396-080 C-CAP,U 0.22-16F
C131 87-010-805-080 CAP, S 1-16

C133 87-010-787-080 CAP, U 0.022-25
C134 87-012-191-080 CHIP CAP 68 PF
C135 87-012-274-080 CHIP CAP,U 1000P-50B
C136 87-A10-263-080 C-CAP,U 0.1-16ZF
C137 87-010-574-080 C-CAP,S 470P-50 UJ

C138 87-012-150-080 C-CAP,S 20P-50 CH
C139 87-012-172-080 CAPACITOR CHIP U 10P CH
C140 87-A10-031-080 C-CAP,U 0.01-25 KB
C141 87-A10-703-080 C-CAP,TN 47-2.5 M A
C142 87-A10-466-080 C-CAP,TN 3.3-6.3 A TCF

NO.

REF. NO PART NO. KANRI DESCRIPTION

C143 87-A10-110-080 C-CAP,U 820P-50JB
C144 87-012-182-080 C-CAP,U 27P-50 CH
C145 87-A10-031-080 C-CAP,U 0.01-25 KB
C146 87-012-188-080 C-CAP,U 47P-50 J CH
C153 87-016-526-080 C-CAP,S 0.47-16 BK

C154 87-016-526-080 C-CAP,S 0.47-16 BK
C155 87-A10-031-080 C-CAP,U 0.01-25 KB
C156 87-010-805-080 CAP, S 1-16
C157 87-016-396-080 C-CAP,U 0.22-16F
C158 87-012-282-080 CAP, U 4700P-50

C159 87-A10-263-080 C-CAP,U 0.1-16ZF
C160 87-012-282-080 CAP, U 4700P-50
C161 87-012-199-080 CAP 220P
C162 87-010-785-080 C-CAP,U0.015-25BK
C165 87-A10-031-080 C-CAP,U 0.01-25 KB

C166 87-A10-706-080 C-CAP,U 0.33U-16 F Z
C167 87-A10-263-080 C-CAP,U 0.1-16ZF
C169 87-A10-706-080 C-CAP,U 0.33U-16 F Z
C170 87-A10-263-080 C-CAP,U 0.1-16ZF
C171 87-A10-263-080 C-CAP,U 0.1-16ZF

C201 87-012-174-080 CAP CHIP CERA SS 12P CHJ
C202 87-012-176-080 CAP 15P
C203 87-B30-196-010 CAP,E 0.6-2.5V(PAS920S-VL3T)
C204 87-A10-706-080 C-CAP,U 0.33U-16 F Z
C205 87-A10-706-080 C-CAP,U 0.33U-16 F Z

C206 87-A10-706-080 C-CAP,U 0.33U-16 F Z
C207 87-A10-706-080 C-CAP,U 0.33U-16 F Z
C208 87-A10-706-080 C-CAP,U 0.33U-16 F Z
C209 87-A10-263-080 C-CAP,U 0.1-16ZF
C210 87-A10-031-080 C-CAP,U 0.01-25 KB

C211 87-A10-031-080 C-CAP,U 0.01-25 KB
C212 87-A10-031-080 C-CAP,U 0.01-25 KB
C213 87-A10-031-080 C-CAP,U 0.01-25 KB
C215 87-012-274-080 CHIP CAP,U 1000P-50B
C216 87-016-437-080 C-CAP,TN 100-4(C)

C217 87-010-802-080 C-CAP,TN2.2-4(A2)
C218 87-A10-422-080 C-CAP,TN 10-4 A TCF
C219 87-A10-263-080 C-CAP,U 0.1-16ZF
C251 87-010-800-080 C-CAP TN 1-10(A2)
C252 87-A10-031-080 C-CAP,U 0.01-25 KB

C253 87-A10-251-080 C-CAP,TN 33-2.5 A
C254 87-010-805-080 CAP, S 1-16
C255 87-012-167-080 C-CAP,U 5P-50 CH
C256 87-012-337-080 C-CAP,U 56P-50 CH
C257 87-012-170-080 C-CAP,U 8P-50 CH

C258 87-A10-263-080 C-CAP,U 0.1-16ZF
CF103 87-A90-456-080 C-FLTR,PFWCC 450J3
D101 87-017-925-070 C-VARI CAP,KV1460
D102 87-017-925-070 C-VARI CAP,KV1460
D110 87-A40-462-040 C-VARI-CAP,SVC347(S)

HJ501 87-A60-760-080 JACK,3.5 ST W/O SW
IFT101 87-008-420-080 COIL IFT 450K MW
L101 87-005-564-080 CHIP-COIL S2.2MH
L102 8A-RC2-603-010 COIL,FM RF
L104 8A-RC2-604-010 COIL,FM OSC

L110 87-005-375-080 C-COIL,100UH J NL322522
L112 8Z-RC3-608-010 BAR-ANT,MW
L151 87-003-243-080 C-COIL,S 10UH
L152 87-003-243-080 C-COIL,S 10UH
L153 87-003-231-080 C-COIL 1UH

L154 87-003-234-080 C-COIL,2125 0.22UH K MLF201
LCD201 8A-RC2-601-010 LCD,DS800
L202 87-003-246-080 C-COIL,33UH
L251 87-A50-037-080 C-COIL,D-D 5CDLU
L252 87-003-246-080 C-COIL,33UH

S201 87-A91-290-080 C-SW,TACT SKQDAB
S202 87-A91-334-080 C-SW,TACT SKQTLB
S203 87-A91-290-080 C-SW,TACT SKQDAB
S204 87-A91-290-080 C-SW,TACT SKQDAB
S205 87-A91-290-080 C-SW,TACT SKQDAB

NO.

REF. NO PART NO. KANRI DESCRIPTION

S207 87-A91-290-080 C-SW,TACT SKQDAB
S208 87-A91-290-080 C-SW,TACT SKQDAB
S209 87-A91-334-080 C-SW,TACT SKQTLB
S210 87-A91-289-080 C-SW,TACT SKQMAM
S211 87-A91-334-080 C-SW,TACT SKQTLB

S212 87-A90-871-080 C-SW,SL 1-1-2 SSSS810701
S501 87-A91-446-010 SW,SL 2-2-4 ALZ
S502 87-A91-304-080 C-SW,SL 2-2-2 SSSS822-A-3B
SFR101 87-A91-466-040 C-SFR,K 22K H RH03AEC
TC101 87-A90-688-080 C-TRIMMER,30P CTZ2S-30C

TC102 87-A90-687-080 C-TRIMMER,20P CTZ2S-20C
VR151 87-A91-299-010 VR,RTRY 50KCX2 H GPHN
X201 87-030-349-010 VIB,XTAL 75K

NO.

CHIP RESISTOR PART CODE

Chip Resistor Part Coding

88

A

Resistor Code

Chip resistor

Wattage Type Tolerance
1/16W 1005 5% CJ

1/16W
1/10W

1/8W

1608
2125

3216

5%
5%

5%

TRANSISTOR ILLUSTRATION

C

B

E

2SA1362
2SA1588
2SC3326
2SC4116
2SC4215
BC847CT116
RN2307

S

2SK880 2SK882 HN1C03F

D

Symbol

CJ
CJ

CJ

GS

Figure

Value of resistor

Form

L

D

G

Dimensions (mm)

t

W

0.55

C1

Resistor Code

108
118

128

B2

LW t

1.0 0.5 0.35 104

1.6 0.8 0.45
2 1.25 0.45

3.2

1.6

E2

E1

B1

C2

: A
: A

43

SCHEMATIC DIAGRAM

65

WIRING

1

A

B

C

D

E

F

G

H

I

J

K

L

M

A

B

C

D

E

F

G

H

I

J

K

L

M

23456789 654987321

87

ADJUSTMENT

VR151

VOLUME

S209

S212

HJ501

TC102

SFR101

6 5 4

L102

L104

TC101

IFT101

S202S211

L112

1. AM IF Adjustment

IFT101 ........................................................................ 450 kHz

2. AM VT Check
Setting: • Test point: TP1 (VT)

Check: AM 531 kHz (YZ)/AM 530 kHz (YH) ......0.9 ~ 1.4 V

AM 1710 kHz ...................................... Less than 8.2 V

3. AM Tracking Adjustment

L112............................................................................ 630 kHz

TC102 ....................................................................... 1440 kHz

4. FM IF Adjustment

TC101 ...................................................................... 10.7 MHz

5. FM VT Adjustment
Settings: • Test point: TP1 (VT)

• Adjustment location: L104
Method: Set to FM 87.5 MHz and adjust L104 so that test
point becomes 2.3 ± 0.1 V.
Check: FM 108.0 MHz (YZ)/FM 108.1 MHz (YH)

..........................................Less than 5.5 V

FM 76.0 MHz (YH)........................... More than 1.0 V

6. FM Tracking Adjustment

L102......................................................................... 87.5 MHz

7. VCO Frequency Adjustment

SFR101 .......................................................... 19 kHz ± 100Hz

TP2

(VCO)

7 1 3

TP1
(VT)

PRACTICAL SERVICE FIGURE

<FM SECTION>
IHF Sensitivity: Less than 16 dB
(IHF , THD 3%) (87.5 MHz)

Less than 15 dB
(98.5/108.0 MHz)

Signal to noise ratio: More than 50 dB

(87.5/98.5/108.0 MHz)
Distortion: Less than 2.0%
(Input - 54 dB) (98.5 MHz)
Stereo separation: More than 20 dB

(98.5 MHz)
Intermediate frequency: 10.7 MHz

<AM SECTION>
Sensitivity: Less than 51 dB
(S/N 10 dB) (630 kHz)

Less than 48 dB
(999 kHz)
Less than 45 dB

(1440 kHz)
Signal to noise ratio: More than 31 dB
(Input - 74 dB) (603 kHz)

More than 33 dB

(999/1440 kHz)
Distortion: Less than 4.0%
(Input - 74 dB) (999 kHz)
Intermediate frequency: 450 kHz

109

IC BLOCK DIAGRAM

IC, T A2030FN

IC, TK1 1823

16 15 14 13 12 11 10 9

TV
RF

RF GND

VccFM RFTV RFGND

FM
RF

TV

OSCFMOSC

BUFFMIX

MODESWPW

FM IN

SW

OSC
OUT

IF

87654321

MIX

OUT

IC, T A2022AFN

11

IC DESCRIPTION
IC, UPD17934A-514

Pin No. Pin Name I/O Description

1

VAD SELL

I

"H" is input when power voltage is 3.0 V. "L" is input when power voltage is 1.5 V.

10
11
12
13
14
15
16
17
18
19

—
—

—
—

—
—

I

Not used.

I

IF counter input.

Power suply.
PLL regulator pin.

O

PLL charge pomp output.

I

PLL local oscillator (L) input

I

PLL local oscillator (H) input
GND
Not used.

I

Reset input.

I

Stereo indicator input

I

Destination setting pin. "L" input for Europe.

I

Destination setting pin. "L" input for US.

I

TV/WEATHER select pin for WIDE specifications
Not used.
Not used.

2
3
4
5
6
7
8
9

TM1

IF IN

VDD1

PLL REG

PLL OUT

OSC L

OSC H

GND

TEST

RESET

ST IN

E
U
W

POA0

POA1
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36

IF REQ

POWER OUT

TU OUT

AM OUT

FM OUT
TV OUT

NSB OUT

FM/TV OUT

SCK

SO2
SO1

BEEP

VDD0

CAP0

CAP1

REG0

REG1

—
—
—

—
—
—
—
—

O

Outputs "H" when IF output is requested.

O

Outputs "H" when tuner, alarm, or timer is turned on.

O

Outputs "H" when tuner is turned on.

O

Outputs "H" in AM band.

O

Outputs "H" in FM band.

O

Outputs "H" in TV band.

O

Outputs "H" in NSB band.

O

Outputs "H" in FM/TV band.
Not used.
Not used.
Not used.

O

Beep output
Power supply.

LCD condenser connect pin

LCD regulator pin

37
38
39
40
41

CAP2

CAP3

REG2

COM0
COM1

—
—
—

LCD condenser connect pin

LCD regulator pin

O

LCD common output

O

12

Pin No. Pin Name I/O Description

42

COM2

O
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60

61

COM3

LCD0
LCD1
LCD2
LCD3
LCD4
LCD5
LCD6
LCD7
LCD8

LCD9
LCD10
LCD11
LCD12
LCD13
LCD14
LCD15
LCD16

BATT SEL

O

LCD common output
O
O
O
O
O
O
O
O
O

LCD segment output
O
O
O
O
O
O
O
O

Voltage detection method select pin. "H": Voltage is detected by the input to pin 76.

I

"L": Voltage is detected by the input to pin 64.

62

63

64
65
66
67
68
69
70
71
72
73
74
75
76
77

TV SEL

BASS SEL

POC0

MUTE OUT

SP CANCEL

S-BASS OUT

CLOCK/TU

Xout

Xin

DSP TEST

BATT IND

S-BASS

HOLD
IF SELECT
BATT DSP

NSB SIG

O
O
O
O

—

I/O

O

I

TV canceling pin. "H": TV not provided, "L": TV provided.
S-BASS key select pin. "H": Switched by input to S-BASS port. "L": Switched by A/D

I

key input.
Not used
Outputs "H" with MUTE.
Outputs "H" to cancel speaker output.
Outputs "H" with S-BASS ON.

I

Clock/frequency display switching input. "H": Frequency display.
For the connection of crystal oscillator

I

For the connection of crystal oscillator
All indicators light when "H" is input.
BT3 indicator lights when "H" is input.

I

S-BASS ON with "H" input

I

No A/D key input is accepted when "H" is input.

I

IF frequency select pin. "H": 10.7 MHz, "L": 10.5 MHz

I

A/D input for battery remaining lever display

I

A/D input for discriminating NSB signal level.
78
79
80

KEY IN

GND

VDD2

I
—
—

A/D KEY input
GND
Power supply

13

MECHANICAL EXPLODED VIEW 1/1

1

2

18

4

5

14

15

16

28

17

A

A

3

11

12   

13

6

7

8

9
10

P.C.B

19

24

26

25

28

B

27

C

C

23

14

20

21

22

C

MECHANICAL MAIN PARTS LIST 1/1

REF. NO PART NO. KANRI DESCRIPTION

1 8A-RC2-004-010 COVER, FRONT
2 8Z-RC3-005-010 PANEL,FRONT
3 8A-RC2-011-010 WINDOW,LCD
4 8Z-RC3-221-010 SPR,FRONT
5 8A-RC2-003-010 CABI,FRONT

6 8Z-RC3-006-010 BTN,BAND/PSET/ AREA
7 8Z-RC3-203-010 COVER, LCD
8 8A-RC2-601-010 LCD,S800
9 8Z-RC3-224-010 CONN, RUBBER LCD
10 8Z-RC3-204-010 HLDR,LCD

11 8Z-RC3-008-010 BTN,TUN(+)
12 8Z-RC3-010-010 BTN,MEMO
13 8Z-RC3-201-010 HLDR,TUN
14 8Z-RC3-009-010 BTN,TUN(-)
15 84-TM1-635-010 SP,DIA36

16 8Z-RC3-205-010 BAT-CONTACT,(+)
17 8Z-RC3-206-010 BAT-CONTACT,(-)
18 8Z-RC3-217-010 HLDR,AM ANT
19 8Z-RC3-608-110 BAR,ANT MW
20 8A-RC2-007-010 BTN,POWER

21 8A-RC2-008-010 KNOB,SL HOLD
22 8A-RC2-002-010 KNOB,SL SPEK/EAR
23 8A-RC2-012-010 KNOB,SL ST/MON
24 8A-RC2-006-010 BTN,ALARM/ TIMER
25 8A-RC2-001-010 CABI,REAR

26 8A-RC2-005-010 LID,BATT
27 8Z-RCC-214-010 HLDR,SPEK/EAR
28 8Z-RC3-223-010 SPR,PWB MAKI
A 87-B10-253-010 VT2+1.4-4 W/O ZN
B 87-B10-252-010 VT2+1.4-2 W/O ZN

C 87-B10-282-010 VT2+1.4-6 W/O BK

NO.

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

15

2–1 1, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:[phone]

931196

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