Casio da 1 Service Manual

Page 1

Digital Audio Tape Recorder DA-1

MAY 1988

DA-1

Page 2

In case the cassette cover cannot be opened with a mechanical or electrical trouble, the following is the opening method in case of emergency. Refer to page 77 for disassemble

Notes on condensation

If the DA-I is brought directly from a cold to a warm location. or is placed in a very damp room, moisture may condense on the drum and head components inside the unit. Should this occur, the unit will not operate, and the following message will appear on the built-in display:

If this message appears, wait 1 to 2 hours before attempting to use the unit again. Also, it sometimes takes a few minutes for condensation to build up to the point that the "Dew Stop" message appears. Because of this, it's best to wait a few minutes after bringing the unit into a warm location from a cold one to make sure that the "Dew Stop" message doesn't appear.

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		F	'age
1.	SCHE		1
	1-1.	Main PCB R001 - MA1M	1
	1-2.	Console PCB R001 - CN1M	2
	1-3.	Cylinder Control PCB R001 - CYL1M	3
	1-4.	Capstan Control PCB R001 - CAP1M	4
	1-5.	Head Control PCB R001 - PB1M	5
	1-6.	Battery Pack PCB R0B1-CN1M	6
2.	WIRIN	G DIAGRAM	7
3.	PCB V	IEWS & MAJOR WAVEFORMs	. 8
•••	3-1.	Main PCB R001 - MA1M
	3-2.	Other PCBs R001 - CN1M, CYL1M, CAP1M, PB1M
	3-3.	Major Waveforms	· 10
		•
4.	BLOC	(DIAGRAM	12
5.	LSI FU	NCTIONs	. 13
	5-1.	Main CPU A(HD62004) and B(HD62014)	13
	5-2.	Microcomputer(µPD75108G)	. 22
	5-3.	LCD Driver (HD44780)	24
6.		CK DIAGRAMs	25
	6-1.	Data Strobe IC (HA12109)	25
	6-2.	Head Amp. (HA11851MP)	26
	6-3.	Digital to Analog Converter (PCM55HP)	27
	6-4.	RAM (HM65256BLFP)	. 27
	6-5.	Loading Motor Driver (M54649FP)	28
	6-6.	Cylinder Motor Driver (HA13403)	29
	6-7.	Capstan Motor Driver (TA7745F)	30
	6-8.	Multiplexer (µPD4053)	30
	6-9.	Voltage Regulators	30
	6-10.	Reset Signal Generators	31
7.	MICRO		. 32
8.	SERV	D SYSTEM	33
	8-1.	ATF Servo	34
	8-2.	Cylinder Servo	36
	8-3.	Capstan Servo	. 37
	8-4.	Motor Control	38

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9.	D/A ·	A/D CONVERTER BLOCK	39
10.	ADJUS	STMENTs	40
	10-1.	Power Source Voltages	40
	10-2.	Recording Zero Level	41
	10-3.	Linearity	42
	10-4.	Cylinder and Clock Pulse Synchronism	45
	10-5.	Error Rate	47
	10-6.	Search	47
	10-7.	10 Times Speed	48
	10-8.	REC Level	48
	10-9.	Over Write	48
	10-10.	Title Change	48
11.	OPERA	ATIONs	49
12.	TROU	BLESHOOTING	59
	PARTS	LIST	60
	DAT M		78

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Page 6

de antiture

Page 7

1-4. Capstan Control PCB R001-CAP1M

Page 8

Page 9

- 6 -

Page 10

2. WIRING DIAGRAM

Page 11

3. PCB VIEWs & MAJOR WAVEFORMs

3-1. Main PCB R001 - MA1M

Page 12

3-2. Other PCBs R001-CN1M, CYL1M, CAP1M, PB1M

Page 13

3-3. Major Waveforms

Ext. Trg. : CAC At PLAY mode

Page 14

MDATF signal ATF signal Ext. Trg. : PG AT PLAY mode

CLAMP signal () COMP signal Ext. Trg. : FS Recording no sound

Trg.: FS Recording sound

Page 15

Page 16

5. LSI FUNCTIONS

5-1. Main CPU A(HD62004) and B(HD62014)

Outline

Both DAT signal processing and servo control are carried out by combining together two units, HD62004 and HD62014.

Features

Signal processing unit

1. 8 10 modulation/demodulation
2. Double Read-Solomon, corrected and generated
- a. C1 max. double correction C2 max. sextuplex correction
- b. State of error correction, possible to be monitored.
3. Sub-code processing Data, reproducible for ID and Pack even during search.
4. System, possible to be composed for 3 kinds of Fs(Sampling Frequency)
- a. 48K 16 bit 2 ch
- b. 44.1K 16 bit 2 ch. (Playback only)
5. Sub-code unit, capable of after-recording
6. One type of crystal (28.224MHz) can put the whole system in operation.

AD/DA Interface

Both DA(Digital to Analog) and AD(Analog to Digital) operations are possible by means of a high speed DA converter and a comparator because of a sequential comparator circuit logic unit enclosed.
2. Even serial type AD and DA can be composed because of provision of a serial interface.

Microcomputer Interface

Capable of exchanging various sorts of information with a microcomputer via a serial interface.

a. Various system control signals
b. Sub-code data
c. Max. value of PCM (Pulse Code Modulation) inside one frame (used for level meter).
d. I/O value at general purpose port
e. Measured value of reel pulse

Servo Unit

1. ATF (Automatic Track Finding) unit
- a. Detects synchronization and generates signals SH1, SH2
- b. Generates offset signal by means of above detection and error rate.
2. Cylinder servo unit
- a. FG ..... 800 Hz
- b. PG ..... 33 Hz (correction circuit by monostable multivibrator)

Page 17

3. Capstan servo unit
- a. FG ..... 468Hz, 400Hz
- b. PG ..... carried out by dividing FG during recording operation.
4. Reel servo

To control relative speed between the cylinder and the reel by using 130KHz pilot signal.

Name and function of each terminal

HD62004

Controls D/A or A/D conversion
Data correction
Sub-code control
Provides various timing signals

Pin No.	Terminal name	Туре	Connected to	Function
1	GND1		GND
2 ≀ 9	PB0 ↓ PB7	I/O		Data bus between HD62004 and HD62014.
10	РХС	IN		Signal to determine the direction of PB0 - 7. H Out L In
11	STRQ	IN		Synchronous signal for recording
12	IMUT	OUT		Monitor in state of error mute. L Mute
13	SUBW	IN		Sub-code area write signal (after-recording timing)
14	DCLK	IN	HD62014	Playbacked data synchronous signal
15	WOST	IN		Playbacked block synchronous detecting signa	al
16	FRA0			15 Hz
17	AZM			Timing signals of various 33 Hz
18	SV3Y	OUT		frequencies. 33 Hz
19	SV33			33 Hz
20	RECS	OUT		System, in recording/playback state L during playback H during recording
21	R90	ουτ		66 Hz timing signal

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Pin No.	Terminal name	Туре	Connected to	Function
22	DCL2				4.7 MHz
23	DCL1				4.7 MHz
24	RAIN				2.3 MHz
25	CASI	IN	HD62014	System clock pulses	2.3 MHz
26	F2IN				2.3 MHz
27	F1IN				2.3 MHz
28	FS	IN		Sampling clock 48 k/44.1 k/32 kHz
29	RES	IN	*	Reset input terminal, Low active.
30	GND		GND
31	VDD2		+5V
32	RACE	ουτ		CE signal of RAM, output
33	WE	OUT		WE signal of RAM, output
34	CAOE	ουτ	RAM	OE signal of RAM, output
35	AD0	ουτ		Address signal of RAM, output AD0 -	AD4
} 39	AD4
40	GND3		GND
41	AD5	ουτ	RAM	Address signal of RAM, output AD5 -	AD14
\| } \| 50	AD14
51	VDD3		+5V
52	DE7	١/O	RAM	Data bus of RAM
} 59	DEO
60	EXAC	ουτ		Terminal for testing (No used)
61	EXRQ	IN	GND
62	EXWE	IN	GND
63	RAMS	IN	5V

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Pin No.	Terminal name	Туре	Connected to	F	unction
64	DA0	I/O		MSB	GND (serial mode)
65	DA1	I/O			GND
66	DA2	I/O		й	AD data, input (2's comp.)
67	DA3	I/O			GND
68	DA4	1/0			GND
69	DA5	I/O			NC
70	DA6	I/O			NC
71	DA7	1/0	DAC and		NC
72	DA8	I/O	ADC	DAC data output (offset binary)	NC
73	DA9	1/0			BCK for AD
74	DA10	ουτ			BCK for DA
75	DA11	Ουτ			WCLK for DA
76	DA12	ουτ			Latch clock for DA
77	DA13	оит			CC for DA
78	DA14	ουτ		, v	LRCK FOR DA
79	DA15	ουτ		LSB DATA for DA, o	butput
80	GND4		GND
81	VDD4		5V
82	СОМР	IN	Comparator	Comparator input f	or sequential comparison
83	CLAM	ουτ	Clamp circuit	Serial digital signal (No used)	output from built-in ADC
84	ADTS	OUT		For testing (No use	d)
85	ERRF	OUT		DA interpolation sta H interpolatio	ate monitor terminal (No used) n
86	STCO	ουτ		For testing (No use	d)
87	SYCI	IN		GND
88	SIO	I/O		Pull down

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Pin No.	Terminal name	Туре	Connected to	Function
89	СКЅ	٧٥		Pull down
90	F1ER	OUT		Error correcting monitor terminal. When an error is occurd, a pulse is provided.
91	TRQ	OUT		Microcomputer data transport demand
92	TROK	IN		Microcomputer transport mode (Acknowledge signal)
93	CEB	IN		Chip enable for microcomputer I/F
94	LA	IN	Micro-	Latch clock for microcomputer I/F
95	SI	IN	computer	Serial data input for microcomputer I/F
96	SCKB	IN		Serial clock input for microcomputer I/F
97	SOO	ουτ		Serial data output for microcomputer, I/F
98	CMD	IN		DATA synchronous signal for microcomputer I/F
99	TES	IN		Testing terminal (No used)
100	VDD1		+5V

HD62014

Servo controls for capstan, reel, and cylinder
Provides various timing pulses

Pin No.	Terminal name	Туре	Connected to	Function
1	AGND		GND	GND for 2 pin - 9 pin buffer
2	RLC	OUT	Reel driver	PWM (Pulse Width Modulation) signal for reel control, output during search
3	CAF	OUT	Capstan driver	PWM signal, output by capstan frequency error, output
4	САР	OUT	Capstan driver	Capstan phase error, output (PWM output signal)
5	CYFE	OUT	Cylinder driver	Cylinder frequency error, output (PWM output signal)
6	СҮР	OUT	Cylinder driver	Cylinder phase error, output (PWM output signal)
7	DT50	OUT		Clock of duty 50% output (No used)

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	name REC	ουτ	Rec. Amp.	Recorded d	ata, outp	ut (high impedance,
~				except reco	rding per	iod)
9	PDO	ουτ	vco	Phase comp extracted cl	parison b lock, outp	etween playbacked data and ut (No used)
10	VCC			Power supp	oly for 2 -	9 pin buffer
11	VC02	ουτ			output (	9.408/18.816MHz)
12	VC01	IN		VCO CIOCK	input clo	ock (clock signal for playback
13	PBD	IN	Reproducing	Playbaakad		input
14	PBR	ουτ	Amp.	Гаураскео	Cata	output
15	RPSW	OUT	Rec. Amp	REC/PLAY of REC PLAY	change-ov . High . Low	/er signal.
16	CYG	IN	Cylinder PG	Cylinder PG	6 (Pulse G	enerator) input terminal
17	MM2	INI	Monostable	Monostable (No used)	e multivib	prator delay monitor terminal
18	MM1		multi vibrator	Monostable terminal for	e multivib r control d	orator C/R intergral input of cylinder phase
19	САН	OUT		During sea	rch	. Н
20	CAR	OUT		Capstan	{	L H
21	CAON	ουτ		Capstan mo	otor ON s	ignal
22	СУО	ουτ		Cylinder m	otor ON s	ignal
23	PCMW	Ουτ		During sear Other time	rch	relative speed between cylinder and reel window output of PCM area
24	LMS
25	LMM				tor ac-t-	alaignala
	LMH			Loading motor control signals		បា ទម្លោងទេ
26			1

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Pin No.	Terminal name	Туре	Connected to	Function
28	L1E1
29	L1E2
30	L1E3
31	L2E1	IN		Loading motor sensor singnals
32	L2E2
33	L2E3				:
34	PIWD	OUT		Window pulse output of Pilot area
35	DCF	IN		General purpose input port (No used	)
36	REE2	IN	Declarity	Reel pulse input (supply)
37	REE1	IN	Keel puise	e Reel pulse input (take up)
38	VDD1		+5V
39	CLK	IN		For testing (No used)
40	GND		GND
41	CLKO	ουτ		Master clock, divided into 1/3 (No us	ed)
42	хто	ουτ	Cmustal	Master clack and illator 20 004 MUs
43	ХТІ	IN	Crystal
44	FS0	ουτ
45	FS1	ουτ		Sampling requency mode output	_
46	ЕМРН	ουτ		change-over signal for emphasis ON	/OFF
47	MN1T	ουτ		Change-over signal for REC/PLAY
48	SHL	ουτ	DAC and ADC	Sample hold guiles for D/A A/D	Left
49	SHR	ουτ			Right
50	VDD2		+5V
51	GND2		GND
52	RSE	IN	Reset input	Reset input terminal. Low active.
53	FSS	ουτ	HD62004	Sampling frequency clock output

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Pin No.	Terminal name	Туре	Connected to	Function
54	F10
55	F20
56	CAS
57	RAS	001	HD62004	Dasic Clock
58	DCL1
59	DCL2
60	RR90
61	RECS
62	SV3			Refer to HD62004
63	SVA		HD62004
64	AZM
65	FRA
66	WOST
67	DCLK	ουτ
68	SUBW
69	IMUT	IN
70	STRQ
71	РХС	001
72	PX7	1/2
79	PX0
80	GND3		GND
81	VDD3		+5V
82	TEB			Test terminal +5V (No used)

Page 24

Pin No.	Terminal name	Туре	Connected to	Function
83	CMD	IN		Microcomputer I/F for data synchronizing
84	SOO	OUT		Serial data output
85	SCB	IN		Serial clock
86	SI	IN		Serial data input
87	LA	IN	Microcomputer	Data latch clock
88	СЕВ	IN		Chip enable
89	TRQ	IN		Transport mode
90	REQ	OUT		Transport demand signal
91	PBS	IN		ATF synchronous input
92	OFS	OUT		Pulse is output when no synchronization is detected.
93	OF4	ουτ		"H" during after-recording or recording. Used for offset of ATF.
94	SH21			ATF sample hold, 2 (first half)
95	SH22	ουτ	ATF	ATF sample hold, 2 (last half)
96	SH1			ATF sample hold, 1
97	PBP	IN		ATF pilot input
98	ΑΤΟ	ουτ		Set to "H" when ATF is ON.
99	CAC	IN	Capstan FG	Capstan FG input (468 Hz or 400 Hz)
100	CYL	IN	Cylinder FG	Cylinder FG input (800 Hz)

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5-2. Microcomputer (µPD75108G)

a. Block Diagram

Page 26

b. Pin Functions

8 bit microcomputer for system control

Pin No.	Terminal Name	Туре	Connection	Function
1	P41		HD62014	Chip enable for CPU B
2	P40		HD62004	chip enable for CPU A
3	P53	ουτ	Power source	Control signal for power ON/OFF
4	P52		Mute circuit	Mute Control for playback
5	P51		Rec. mute circuit	Mute control for recording
6	P50		HD62004/HD62014	Transport mode
7	RESET		Reset generator	Reset input terminal Low active.
8, 9	X2, X1		Clock generator	Clock pulse (4.19 MHz)
10 ~17	P63 ~60, P73 ~70	IN	Switch circuit	Switch scanning
18	P83		Mechanical block	Pack detection
19 ~ 21	P82 ~ 80		Switch circuit	Switch scanning
22 ~ 25	P93 ~ 90		Mechanical block	Index signal for cassette type
26	VSS			Ground
27, 28	INT3, 2		Switch circuit	Switch scanning
29	INT2	IN	HD62014	Transport demand signal
30	INTO		HD62004	Transport demand signal
31	PTH03			No function
32	PTH02			Dew detection
33	PTH01		Mechanical	End of tape detection
34	PTH00	IN	DIOCK	Beginning of tape detection
35	ТІО			Reel sensor
36	TI1		Switch circuit	Switch scanning
37	P23			Trigger signal
38	P22/PCL			Clock pulse (280 kHz)
39	P21/PTO1		HD44780	Read/write signal
40	P20/PTO0			Selection signal of HD44780
41	P03/SI	IN		Serial data input from HD62004/HD62014
42	P02/SO	OUT	HD62004/62014	Serial data output for HD62004/HD62014
43	P01/SCKB			Serial clock output for HD62004/HD62014
44	P00/INT4	IN	Power source	DNG signal input

Page 27

Pin No.	Terminal Name	Түре	Connection	Function
45 ~52	P123 ~120, P133 ~ P130	IN/OUT	HD44780	Data signals
53	P143		Switch circuit	switch scanning
54	P142	IN	Power source	END signal input
55, 56	P141, 140		Switch circuit	Switch scanning
57				No connection
58	VDD			+5V source
59	P33	ουτ	Relay circuit	Relay control
60	P32			Change-over signal for capstan and reel
61	P32			No connection
62	P30		REC LED	REC LED drive
63	P43	OUT	HD62004/HD62014	Latch clock for data transpose
64	P42			Data synchronous signal

5-3. LCD Driver (HD44780)

Pin No.	Terminal Name	Туре	Connection	Function
1 ~22	SEG22 ~ SEG1	ουτ	LCD	Segment signals
23	GND			Ground (0V) source
24, 25	OSC1/OSC2	I/O	μPD75106G	Clock signal input/output
26 ~30	V1 ~V5		LCD	Power source for LCD
31	CL1	OUT		Latch clock for segment signals (No used)
32	CL2	001		Shift clock for segment signals (No used)
33	VCC			+5 source
34	Μ	ουτ		Alternate signal for segment signals (No used)
35	D			Data for segment signal (No used)
36	RS			Internal registor selection signal
37	R/W	IN		Read/write signal
38	E		μΡΟ/5106G	Trigger signal for internal circuit
39 ~46	DB0 ~DB7	I/O		Data signals
47 ~62	COM1 ~ COM16	0.17		Common signals
63 ~80	SEG40 ~ SEG23	OUT		Segment signals

Page 28

6. IC BLOCK DIAGRAM

6-1. Data Strobe IC(HA12109)

Data strobe for signal transaction

Page 29

6-2. Head Amp. (HA11851MP)

Head Amp. with change-over switch of REC/PLAY.

Page 30

6-3. Digital to Analog Converter (PCM55HP)

16 bit digital to analog converter. Also, together with comparator and CPU A, it is used as analog to digital converter.

Pin	PCM55-Flatpak	Pin	PCM55-Flatpak
1	Bit 1 (MSB)	13	Bit 13
2	Bit 2	14	Bit 14
3	Bit 3	15	Bit 15
4	Bit 4	16	Bit 16
5	Bit 5	17	Voltage Output
6	Bit 6	18	Feedback Resistor
7	Bit 7	19	Summing Junction
8	Bit 8	20	Common
9	Bit 9	21	Current output
10	Bit 10	22	Bipolar Offset
11	Bit 11	23	+Voc
12	Bit 12	24	-Vac

6-4. RAM (HM65256BLFP)

256K bit static RAM for data buffer for CPU A.

Page 31

6-5. Loading Motor Driver(M54649FP)

	INPUT
12 PIN (IN1)	13 PIN (IN2)	14 PIN (IN3)	2 PIN OUT1	8 PIN OUT2	10 PIN OUT3	REMARK
		L				DDAKE
L		н				BRAKE
Н	L	L	н	L	OPEN
н	L	н	L	н	OPEN
L	н	L	н	OPEN	L
L	н	н	L	OPEN	н
		L
н	н	Н	L	L		BRAKE

Page 32

6-6. Cylinder Motor Driver (HA13403)

Page 33

6-7. Capstan Motor Driver (TA7745F)

6-8. Multiplexer (μPD4053)

6-9. Voltage Regulators

a. M5236ML

Page 34

b. S81250HG

S81250HG

Page 35

7. MICROCOMPUTER INTERFACE

HD62004/HD62014 terminal	Signal direction	μ ΡD75108G	Function
TRQ	→	P10/INI0	Interrupt signal from HD62004
TROK	←	P50	Acknowledgement signal of interrupt
CEB	4	P40	Chip enable signal to HD62004
LA	Ļ	P43	Latch clock signal
SI	4	P02/SO	Serial data output
SCKB	4	P01/SCKB	Data latch clock signal
SOO	←	P03/S1	Serial data input
CMD	4	P42	Data synchronizing signal
CEB	←	P41	Chip enable signal to HD62014
REQ	→	P11/INT1	Interrupt signal from HD62014

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8. SERVO SYSTEM

Controls for tape speed, cylinder rotary frequency and tracking are very important since recording pattern for DAT employs High-density recording system (114 MBPI²) in which the track-pitch is 13.591µm.

Especially, the tracking is controlled by a servo system called ATF (Automatic Tracking Finding). The servo system is PWM (Pulse Width Modulation) which is controlled by digital signals.

CPU B HD62014

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Page 38

1. Play-back signal is input to sync. filter and pilot filter via head Amp.

Sync. filter detects signals f2 and f3 and, output them to CPU B as signal PBS. Pilot filter detects signal f1, and output it to CPU B as signal PBS.

2. The pilot filter output is detected and is provided to ATF S/H circuit.

3. Crossing f1 signals are sampled and their voltage levels are compared by the ATF S/H circuit.

Capstan and reel servo circuit controls the rotation frequency of the capstan motor so that the head traces the tracks correctly.

Page 39

8-2. Cylinder Servo

CYL — FG — Cylinder motor consists of a pulse generator whose frequency varies in accordance with the motor rotation. When the cylinder rotation is normal speed (2,000rpm), the motor provides 800 Hz signal CYL to CPU B.

CYG — PG — Change-over signal for cylinder heads A and B

CYFE Control signal for cylinder rotation frequency (PWM output)
CYP Control signal for cylinder phase (PWM output)

Page 40

8-3. Capstan Servo

CAC — FG — Provided from a pulse generator in the motor, signal CAC transmits the rotation speed of capstan motor to CPU B.

When the capstan motor rotates in normal speed, the signal carries 466.7Hz pulse.

2.14 mS (466.7 Hz)

CAP Control signal for capstan phase (PWM output)
CAF Control signal for capstan rotation frequency (PWM output)
RLC Control signal for reel (PWM output)
ATF Control signal for tracking at play-back (PWM output)

Page 41

8-4. Motor Control

Motor speed is determined by the voltage of drive signal which is generated by means of filtering the signal CONT.

Drive voltage	Motor frequency
Large	Fast
Small	Slow

In accordance with the duty of pulse CONT, the driving voltage of motor is determined.

Page 42

9. D/A • A/D CONVERTER BLOCK

a. D/A Converter

Output signal from D/A converter is multiplex signal of L-ch and R-ch.

S/H (Sample and Hold) circuit separates L-ch and R-ch signals.

LPFs of Line-out cut unnecessary frequency and smoothes stepped waveform ( _-----------------------------------

b. A/D Converter

A/D converter is constructed by D/A converter and comparator.

SH Output -

e.g. 4-bit A/D Converter

(1) Comparator compares analog input signal with digital output signal(1000) of D/A Converter.
(2) When the analog signal is bigger than the digital signal(1000), CPUs output digital signal(1100) and, again, the comparator compares them.
(3) As the same manner when the input is bigger than output, CPUs output signal(1110). Also when the input is smaller than output, CPUs output signal(1010).
(4) The comparator compares the analog and the digital signals until both signals, value become the same.

Thus, an analog signal is converted into a digital signal.

Page 43

10. ADJUSTMENTS

After replacing the mechanism or PCB parts, the following adjustments and checkings must be performed.

Order	ltem	Adjustment/Checking	Necessary Tools & Equipments
1	Voltage +VDD, +VCC, DNG, END		Digital voltmeter
2	Recording Zero Level	No output must be generated from DAC when zero level sound is recorded.	Oscilloscope
3	Linearity	For smooth tape transportation	Test tape Oscilloscope
4	Cylinder and clock pulse synchronism	Synchronizing the mechanism and the electronic circuits	Oscilloscope Test tape
5	Error Rate	Minimize the rate of error occurance	Oscilloscope Frequency counter Test tape
6	Search	Maximize the data detection rate at FF and REW	Oscilloscope Frequency counter Blank tape
7	10 Times Speed	Adjust capstan speed	Frequency counter Blank tape
8	REC Level	Adjust recording bias	Digital voltmeter
9	Over Write	Make sure that another sound can be recorded over a recorded sound
10	Title Change	Make sure if the title of musics can be modified or changed.

10-1. Power Source Voltage

Voltage	Checkpoint on PCB MA1M	VR to be adjusted	Voltage to be adjusted	Condition	Measuring instrument
+VDD	VDD	VR1	+5.00 ~ 5.10 V		Digital
+VCC	VCC	VR2	+5.15 ~ 5.25 V	All lood	Digital
DNG	DNG	VR3	+VA (+6.0 ~ +5.8V) then H→L		voltmeter
END	END	VR11	–VA (–4.8 ~ –5.0V) then H→L

Page 44

10-2. Recording Zero Level

[Checkpoints]

Oscilloscope Channel 1 — Testpoint COMP (MB3711 pin 7)
Oscilloscope's External Trigger — Testpoint FS (HD62014 pin 53)

[Adjusting Method]

(1) Set REC VR of the test unit to max. position and connect stereo plug (R-ch should be short-circuited for mute) as shown below.

(2) Using a signal generator or test tape TY-7551 (PRG. No. 7 and 9), record 1 kHz sinewave signal from L-ch so that REC level meter reading becomes 0 dB.
(3) Adjust VR 8 (R-ch) so that noise width on the right side (least side bits) at 1 V level becomes narrowest.

(4) As the same manner, record the signal from R-ch.

Page 45

(5) Adjust VR9 (L-ch) by the same method as procedure (3).

10-3. Linearity

[Checkpoints]

Oscilloscope channel 1 (Voltage 20mV/div.) — Pre-Amp. IC (HA11851MP) pin 17 (Testpoint DATA) Oscilloscope channel 3 (Voltage 0.1V/div.) — Testpoint PG for trigger

Time — A mode (2mS/div.), B mode (1mS/div.)

[Adjusting method]

(1) Clean each pole and cylindrical head drum with cotton bar and special liquid Daiflon Solvent.
(2) Connect a slide VR(2Kohm) between testpoints VDD and OFS (Refer to page 8)

(3) Insert adjustment tape TY7251 and set the unit in PLAY mode.

Page 46

(4) Observing DATA signal's envelope with an oscilloscope, short the SW and set the slide VR (2Kohm) position so that the envelope signal can be observed the most slowest.
(5) a. Best waveform

b. Poor waveform

Turn the guide roller of supply side to clockwise or unclockwise by fork driver (Refer to page 91), so that the envelope can be observed like waveform a.

Turn the guide roller of take-up side as the same manner as the above.

No good (Poor adjustment for both gide rollers)

Turn one side guide roller (Supply of Take-up side) to clockwise or unclockwise to obtain waveform (1) or (2).

Then turn another side guide roller as the same manner as the above.

Page 47

Caution :

At the adjustment, be sure to move the two guide rollers within ±90° and paint the original position with a marker. Also make sure to check the tape running as follows.

② Be sure to punch at the hole as show below.

③ If the tape is out of the position, the following DATA envelopes are observed.


	Small Medium Large	Large
Supply side			B C C A
Take-up side		-DX-	A/B = Less than 3 dB A/C = Less than 3 dB

Page 48

(6) Tighten screws which affix the guide rollers with 1 kg/cm torque.
(7) Eject and re-load the test tape and confirm that shape of the DATA envelope is square. If the envelope is not proper, repeat the above procedures from (5),
(8) Make sure there is no curling or wrinkles on the tape around the guide rollers.

10-4. Cylinder and Clock Pulse Synchronism

At play mode, using the test tape TY7551, adjust PG phase adjustment VR (VR10).

[Chekpoints]

Oscilloscope Channel 1 — Pre-Amp. IC (HA11851MP) pin 17(Testpoint DATA) for basic Oscilloscope Channel 2 — HD62014 pin 34 (Testpoint PIWD) or Base of transistor T14 for adjusted phase External Trigger — HD62014 pin 16 (CYG) or Testpoint PG

[Adjusting Method]

(1) Turning of VR10 moves signal PIWD right or left.
(2) Adjust VR10 so that the rising edge of signal PIWD stops at the point that 130 KHz pilot signal starts.

Page 49

Page 50

10-5. Error Rate

This adjustment minimizes the occurance of error by adjusting the lock frequency of the PLL (Phase Locked Loope) and Equalizer Circuit.

[Checkpoints]

Oscilloscope Channel 1 — Testpoint F1ER (pin 90 of HD62004) Oscilloscope Channel 2 — Testpoint DATA Oscilloscope's External Trigger — Testpoint PG Also connect a frequency counter on Testpoint F1ER

[Adjusting Method]

(1) Play 1 KHz, 0 dB sine wave, L+R of track No's 22, 24 36 of test tape TY-7551.
(2) Adjust VR6 and VR4 so that the frequency counter's reading is 50 Hz or 3,000 pulses per minute.
(3) Observing the oscilloscope screen make sure that no C2 Error occurs at muted area on the tape.

The DA-1 is faulty when C2 Error occurs at muting areas on the tape.

One pulse appears on F1ER terminal per one error

Note; If the test tape is poor C2 error occurs frequently. Therefore make sure the condition before the adjustment.

10-6. Search

[Checkpoints]

Oscilloscope Channel 1 — Testpoint WOST (pin 90 of HD62004) on PCB MA1M Oscilloscope's External Trigger — Testpoint PG Also connect a frequency counter on testpoint WOST.

[Adjusting Method]

(1) Performing FF and REW on a full recorded tape DT-46 (any music or sound is OK), adjust VR5 so that oscilloscope shows as much pulses as possible.

(2) After the adjustment, confirm that the frequency counter's reading is more than 220,000 pulses during full FF or REW.

Page 51

10-7. 10 Times Speed

(1) Connect a frequency counter on testpoint CAP CAC.
(2) Perform FF and REW 10 times with a full recorded tape DT-46 (any music or sound is OK but ABS function must be functionable) around middle part of the tape (ABS time: 23 min.). Then adjust VR12 so that the frequency counter's reading is 700 ~ 1,100 Hz.

10-8. REC Level

[Checkpoints]

Oscilloscope Channel 1 — Testpoint PBO (CN3 pin 10) Oscilloscope's External Trigger — Testpoint PG

[Adjusting Method]

(1) Adjust VR7 so that the voltmeter shows 2.24 V at pin 39 of HA12109 tentatively when blank tape is recorded.
(2) Playback test tape TY-7551.
(3) Observe waveforms of the followings and check the voltage levels f4 of A and B heads.

(4) Set test tape DC-711Q and record no sound for about 2 min. (Be sure to use non recorded section of the tape)
(5) Adjust VR7 so that the recorded signals f4 of the two test tapes are the same level.

10-9. Over Write

Make sure if a new sound is added on a recorded tape

10-10. Title Change

Make sure if characters recorded in the sub-code area can be correctly modified or changed.

Page 52

11. OPERATION

Sub-codes

Sub-code registration

In addition to recording "sounds" such as music on DAT cassette tapes, you can also register what are known as "sub-codes." These sub-codes aid the DA-1 in identifying various points on the tape, for speedy program search, skip play, etc. Sub-codes can be registered totally independently of the sound you record on the tape, so you can rewrite these sub-codes freely — even changing them or adding them after the "recording" process is complete, without any effect on the sound.

DA-1 sub-codes

ABS (absolute time)

Indicates the time elapsed from the beginning of the tape.

Program time

Indicates the time elapsed for each selection.

Start ID

Indicates the beginning of a selection.

Program number

Indicates the sequential number of the selection. All selections should be in proper order on the tape.

Display characters

Identification messages can be created, using up to 28 alphanumeric characters.

These are displayed during recording or playback of the selection.

Skip ID

Marks selection to be "skipped over." When a skip ID is reached, play automatically skips to the beginning of the next selection.

In most cases, sub-codes are either registered automatically during recording, or input manually (in some cases, both are possible) as shown below.

Registration Sub-code	Automatic (during recording)	Manual (after recording)
ABS time	0	-
Program time	0	∆ (see page 36)
Start ID	0	0
Program number	0	△ (renumbering)
Character		0
Skip ID	→	0

• When inputting manual sub-codes, be sure to close the tape erase protect tab.

Page 53

Hints on Sub-code Use

When temporarily stopping during recording (pause), don't immediately press the STOP key, but instead try using the REC MUTE or first lower the REC VOLUME to create a blank space. Next time you record beginning at this blank space, a sub-code will automatically be read at this point. Be sure to begin recording when the ABS time is displayed. If you do this, sub-codes will be registered in order from the beginning of the tape to the end.

Track Format

DAT cassette tape tracks are laid out as shown in the following figure.

When blank spaces are not inserted...

Page 54

Changing the Time Counter

The time counter actually features 5 different functions, which can be selected with the TIME function key.

ABS (Absolute time)

Displays elapsed time from beginning of tape

PRG (Program time)

Displays elapsed time from beginning of selection

REM (Remaining time)

Displays remaining time on tape

Chr (Character)

When character display is ON, user-programmable characters are displayed with each selection.

Cnt (Counter)

Displays counter numbers in relation to tape revolutions.

When the TIME function key is pressed, display changes as shown below.

ABS (Absolute time)

(display modes: stop, play, pause, recording, fast-forward, rewind)

Press the TIME function key to select ABS.

In this case, the display shows that 2 minutes and 35 seconds have elapsed since the beginning of the tape.

Time counter is initialized at ABS display when DA-1 power is turned ON.
ABS indicates total elapsed time from the beginning of the tape. When using a new tape, be sure to rewind it all the way to the beginning before recording. If the tape is not rewound, ABS will not be registered.

Page 55

PRC (Program time)

(display modes: stop. play, pause, recording, fast-forward, rewind)

Press the TIME function key to select PRG.

This indicates that 1 minute and 20 seconds have elapsed in the presently selected program (selection).

• In some cases, if start ID is registered or erased after recording, PRG time display may be inaccurate. The DA-1 measures elapsed time from the beginning of each selection, and not from program time — which is registered on the tape when you begin recording. In some cases, if you use Cue/Review, FF or rewind functions during the middle of a selection, or begin playback mid-way through a selection, the program time which was programmed before start ID alteration will be displayed

REM (Remaining (display modes: stop. play. pause. recording) time)

Press the TIME function key to select REM. In this case, the display shows that 1 hour and 53 minutes remain on the tape.

Display appears approximately 20 or 30 seconds after beginning of playback/recording, as time is required for calculation. During calculation time, a flashing "-" mark appears in the display.

shes to indicate time calculation

Page 56

Changing the Operating Mode

There are 5 basic operating modes, which can be selected with the MODE key.

Normal Mode

SEARCH Mode

L ■ -dB 00 40	30	25	18 15	10	0 OVER	ABS	SEARCH
PNO			н		c	PRG	REPEAT
Pro	ارز	T	- i \|		5	REM	EDIT
	••••	41	14.	•••••			CHARAC
		·

REPEAT Mode

L -d8 ∞ 40 R	30	25	18 15	10	5	0	OVER	ABS	SEARCH
PNO	معد	Ū	11.	,	v		S	REM	EDIT
	-			:					CHARAC

EDIT Mode

CHARAC Mode

Each time you press the MODE key, the mode selector mark on the display increments cyclically.

Page 57

Key functions The mode and function keys operate in various ways, depending on the selected mode.

Mode	Кеу
NORMAL	NORMAL		Recording mute	Counter reset	Time counter switch
		Program number play	Initial play
SEARCH	Pno		Specify program number
Init		Moves cursor to the left (character recall)	Specify c	Moves cursor to the right
REPEAT I-selectio		I-selection repeat	All All-selections
		Pno (renumber)	St (start ID)	Skp (skip ID)
EDIT	St .		Wrt (write) Del (delete)
	Skp		Wrt	Del
		Dsp (display)	Wrt	Del
CHARAC	Dsp.			Off/On
1	Wrt	Moves cursor to the left (character recall)	Character	selection	Moves cursor to the right

Page 58

Troubleshooting

Problem	Probable causes	Remedy
No power	AC adaptor not connected. Ni-Cd rechargeable battery pack not charged. Ni-Cd rechargeable battery pack switch set to AC/CHARGE	Insert plug. Charge battery pack. Set switch to BATT.
Controls not operable	Cassette not inserted. Not operable for 5 seconds after power ON. Condensation. End of tape recorded on another manufacturer's DAT recorder reached (during recording, playback or fast forward).	Insert cassette. Wait 5 seconds after power ON. Wait 1 to 2 hours before operating. Rewind tape slightly on DAT recorder originally used in recording (other than Casio DAT unit). Tape may then be used in Casio DA-1.
Recording impossible	Erasure protect tab open.	Close erasure protect tab.
Set to record but no sound recorded	Recording level too low.	Raise recording level.
Selection changes but program number remains the same	1. Start ID not registered. 2. Program number duplicated.	I. Insert start ID. 2. Renumber tape.
ABS time not displayed	ABS time not registered.	ABS time cannot be registered after recording. Use a tape which has ABS time registration.
Abnormal message appears on display	Tape recorded on another manufac- turer's DAT recorder played back on DA-1 with character display ON.	Turn character display OFF. • Tape can be played back with character display ON, however resulting display messages will be abnormal.
Tape skips	Tape is old. Heads are dirty or worn.	Use a new tape. Clean heads with head cleaning tape. If problem persists, contact your Casio representative.

Page 59

Error messages

Display	Probable causes	Remedy
Dew Stop	Condensation	Wait an hour or two before using the unit again (see page 3).
Power Down	Ni-Cd rechargeable battery pack needs charging.	Charge battery pack (see page 7), or turn power switch OFF and then ON again.
Rec Protect	Erasure protect tab open. Prerecorded commercial tape being used.	Close the erase protect tab. Prerecorded commercial tapes cannot be recorded over. Use a blank tape.

Message Summary

Message	Time	Mode :	Meaning
CASIO DA-1	ABS		Loading tape, Eject tape
12 1:10:51	ABS		ABS (Absolute) time
12 3:15	PRG		PRG (Program) time
12 1:49	REM		REM (Remaining) time
12▶Cnt:602			Cnt (Countér) numbers
_ ▶ _	ABS		Tape reaches an unrecorded section
12 ►	ABS		ABS time has not been registered
12	REM		Calculating REM time
12	REM		Calculating REM time inoperative
▶ 4:04	PRG		Pno (Program number) has not been registered
3 🖬 4:04	PRG		Stop tape play
5 4:04	PRG		Playback/Recording
311 4:04	PRG		Stop tape play temporarily/REC (recording) pause state
12 ≥ 0:34	PRG		FF/Cue playback
12 ◀ 1:48:56	ABS		Rewind/Review
12 1:23	PRG		I-selection repeat play
12 1:23	PRG		All-selections repeat play
12 Skip - 0	PRG		Skip forward or back during playback
12 Skip + 1	PRG		Skip forward or back during stop
12)(Skip + 0	ABS		Skip forward or back during pause
Dew Stop	ABS		Condensation
Power Down	BATT		Ni-Cd rechargeable battery pack needs charging
Rec Protect	ABS		Erasure protect tab open Prerecorded commercial tape being used
Pno/lnit?	ABS	SEARCH	Search mode prompt for Pno (program number) or Init (Initial) search
12∎ Next 12	ABS	SEARCH	Specifying a selected program number for program play (search and play by program number)

Page 60

Message	Time	Mode	Meaning
12 Next 8	ABS	SEARCH	Searching the selected program number for program play
12 ■ 1 ">$< "	ABS	SEARCH	Specifying characters for initial play (search and play by characters)
1 2 KI "SCH"	ABS	SEARCH	Searching the specified characters for initial play
] / A11?	ABS	REPEAT	Repeat mode prompt for 1-selection or All-selections
Pno/St /Skp?	ABS	EDIT	Edit mode prompt for Program number (renumber)/ Start ID/Skip ID
12 Renumber	ABS	EDIT	Searching for next selection for renumbering program numbers
3 ▶ Renumber	PRG		Registering program number in sequence
St :Wrt/Del?	ABS	EDIT	Prompt for edit of start ID whether write or delete?
12►Wrt St	ABS	EDIT	Write start ID
12 Del St	ABS	EDIT	Searching for start ID to delete
12►Del St	ABS	EDIT	Deleting start ID
Skp:Wrt/Del?	ABS	EDIT	Prompt for edit of skip ID whether write or delete?
12 ► Wrt Skp	ABS	EDIT	Write skip ID
12 Del Skp	ABS	EDIT	Searching for skip ID for deletion
12 ▶ Del Skp	ABS	EDIT	Deleting skip ID
Dsp/Wrt/Del?	ABS	CHARAC	Prompt for character display/write/delete?
12 ■Dsp Of f	ABS	CHARAC	Character display mode off — ON by pressing down
12 ■Dsp On ?<	ABS	CHARAC	Character display mode on — OFF by pressing down
12	ABS	CHARAC	Character registration standby
12 SCHUBERT	ABS	CHARAC	Searching for start ID for character registraion
	ABS	CHARAC	Character alteration registration
12 Del Chr	ABS	CHARAC	Searching for character deletion
12►Del Chr	ABS	CHARAC	Deleting characters
	ABS	CHARAC	Recall the character(s)
14►PIANO CO	ABS		Playback the selections according to the specified character(s)
14 IANO CON	ABS		Character display scrolling during playback the selections according to the specified character(s)
l2≫ ∏intro	ABS		Searching for intro (the first 9 seconds of each selection — start ID registration)
\| 12▶ Intro \|	ABS		Playback the intro
12 1:24	PRG		REC MUTE (create a blank space)

Page 61

Specifications

Model: Digital Audio Tape Recorder DA-1.

Таре:	DAT cassette tape
Tape speed:	8.15 mm/sec. (12.23 mm/sec.)
	* Tape speed is 12.23 mm/sec. when wide track is used (1.5 x playback mode)
Recording time:	120 minutes continuous (with 120-minute tape)
Head.	Rotary head
Drum sneed	Approximately 2,000 rpm
Track pitch:	13.6 µm (20.4 µm)
Sampling frequency:	48 kHz (Recording/Playback) 44 l kHz (Playback)
Quantization:	15-hit linear (A/D)
	16-bit linear (D/A)
Modulation ^.	8-10 modulation
Channels.	2-channel stereo
Frequency:	10 Hz to 20 kHz (+1 dB)
SN ratio	85 dB
Dynamic range:	85 dB
Total harmonic distortion:	0.01% (1 kHz)
Wow and flutter:	Less than measurable range (±0.001% W PEAK)
Emphasis:	15/50 μS
Rewind time:	Approximately 80 seconds (120-minute tape)
Terminals:
LINE IN	0.2 V (0 dB) stereo mini jack
	input impedance=50 KΩ
MIC IN	3 mV (0 dB) stereo mini jack
	input impedance=10 KΩ
LINE OUT	2.0 V (0 dB) stereo mini jack
	output impedance=1 KΩ
PHONES	20 mW (32 Ω) stereo mini jack
Power supply:	3-way — AC adaptor, Ni-Cd battery pack and car adaptor
Auto power off function:	Approximately 6 minutes after last operation
Power consumption:	3.5 W DC (4 hours of playback/recording using
	battery pack recharged for approximately 10
	hours)
Dimensions:	4 ¹¹ /16″ (W) × 5 ¹¹ /16″ (D) × 1 ¹¹ /16″ (H)
	(119 (W) × 145 (D) × 43 (H) mm)
Weight:	1.6 lbs (730 g)

Design and specifications are subject to change without notice.

Page 62

12. TROUBLESHOOTING

Trouble	Possible Cause	Treatment
No power ON	Power supply circuit	Refer to page 1
Case of except for VMB+ and VMB1+	No signal CONT from µPD75108G	Check the level of transistor T1. Refer to page 1.
Intermittently no sound	Poor linearity of tape running	Adjust linearity. Refer to page 42.
	Poor synchronization of signal PG	Adjust cylinder and clock pulse synchronization. Refer to page 46.
	Large error rate	Adjust error rate. Refer to page 47.
	Faulty or poor tape	Replace the tape.
No cylinder rotation	No signal FG from cylinder	Poor contact of cylinder connector. Check the signals FG and PG. Refer to page 10.
Jamming tape	Dew on cylinder surface	Check dew sensor function by wiping the surface by distilled water. Use cotton bar.
	Dirty cylinder surface	Clean the surface by special liquid Daiflon Solvent.
	Faulty loading mechanism	check the mechanism. Refer to page 87.
	Faulty servo circuit	Check servo signals. Refer to page 11.
Noise	Faulty or dirty tape	Replace the tape
Noise only when playback a sound which is recorded by the same DA-1.	Wrong REC voltage	Readjust the REC voltage. Refer to page 48.

Page 63

PARTS LIST

DA-1

Notes: 1. Prices and specifications are subject to change without prior notice.

2. As for spare parts order and supply, refer to the "GUIDEBOOK for Spare Parts Supply", published separately.
3. The numbers in item column correspond to the same numbers in drawing.

Page 64

ltem	Code No.	Parts Name	Specification	Qʻty	*	Rank
1)	R001-MA1N	PCB ASS'Y
	a. Side A
LSI1	20104298	LSI	HD62004	1		в
LSI2	20104305	LSI	HD62014	1		В
1C8	21140658	Monolithic IC	UPC4082G2-T1	1		в
IC4	21140721	Monolithic IC	NJM4558M-T1	1		в
1C7	21140861	IC	HA12109MP01	1		в
IC1, 2	21140882	IC	S81250HG-RD-T1	2		В
IC5, 6	21141148	IC	MB3771PF (TF)	2		В
1C9	21141218	Monolithic IC	NJM2068MD-T1	1		В
IC3	21206628	Linear IC	M5236ML-T1	1		в
ТЗ	22510210	Chip transistor	2SB1114-T1-ZL	1	10	с
T5, 6	22510210	Chip transistor	2SB1203R-FA	2	10	с
Т9	22520315	Chip transistor	2SC2412KT-96R	1	10	С
T18, 20	22530238	Chip transistor	2SD1048X7-TB	2	10	С
T18, 10	22530245	Chip transistor	2SD1614-T1-XL	2	10	С
T19, 21	22530252	Chip transistor	2SD1048X8-TB	2	10	С
T7	22540140	Chip transistor	2SK209GRTE85R	1	10	С
T25, 29, 38, 39, 40	22590413	Chip transistor	DTA124EKT-96	5	10	С
T2, 22, 26, 30	22590427	Chip transistor	DTC124EKT-96	4	10	с
T14	22590455	Chip transistor	DTC144TKT-96	1	10	с
T34~37	2590483	Chip transistor	DTA144TKT-96	4	10	с
D2	23600728	Chip zener diode	02CZ10YTE85R	1	20	с
D11	23600896	Chip zener diode	02C27, 5ZTE85L	1	20	с
D8	23900490	Chip diode	DCA010-TB	1	20	с
D1	23900497	Chip diode	DSA010-TB	1	20	с
D10	23900525	Chip diode	MA121-(TW)	1	10	с
R112, 114, 1001	27300524	Chip resistor	MCR10EZHJ752	3	10	x
R60	27300530	Chip resistor	MCR10EZHJ272	1	10	x
VR6	27710140	Chip semi-fixed resistor	EVM-07SW00B53	\| 1	10	x
VR1, 2, 4, 5, 7~9	27710182	Chip semi-fixed resistor	EVM-07SW00B14	7	10	с
VR3	27710191	Chip semi-fixed resistor	EVM-07SW00B24	1	10	с
VR11	27710212	Chip semi-fixed resistor	EVM-07SW00B54	1	10	с

Notes: ★ --- New parts Q'ty --- Quantity used per unit * --- The minimum order and supply quantity

Page 65

ltem	Code No.	Parts Name	Specification	Q'ty	*	Rank
VR10	27750133	Chip semi-fixed resistor	EVM-07SW00B25	1	10	с
VR182~ 184, 189, 194	27920209	Chip resistor	MCR10EZHJ104	5	10	х
R81, 86	27920217	Chip resistor	MCR10EZHJ101	2	10	х
R38, 139, 143, 161, 179, 180, 198, 200	27920462	Chip resistor	MCR10EZHJ473	9	10	х
R91, 95, 202, 203	27920470	Chip resistor	MCR10EZHJ102	4	10	х
R40, 92	27920756	Chip resistor	MCR10EZHJ563	3	10	х
R48, 51, 148, 149, 1006	27920799	Chip resistor	MCR10EZHJ472	5	10	х
R4, 36, 115, 120	27920815	Chip resistor	MCR10EZHJ221	4	10	х
R82, 87, 131, 132, 181	27920831	Chip resistor	MCR10EZHJ103	5	10	х
R5	27920845	Chip resistor	MCR10EZHJ153	\| 1	10	х
R201	27920853	Chip resistor	MCR10EZHJ333	1	10	х
R138, 142, 199	27920888	Chip resistor	MCR10EZHJ334	3	10	х
R145, 147	27920896	Chip resistor	MCR10EZHJ394	2	10	х
R6, 49, 52	27920942	Chip resistor	MCR10EZHJ332	3	10	х
R1004	27920950	Chip resistor	MCR10EZHJ392	1	10
R84, 89	27920993	Chip resistor	MCR10EZHJ123	2	10	х
R85, 90	27921019	Chip resistor	MCR10EZHJ564	2	10	х
R62, 66, 93, 97, 113, 155, 158, 159, 169, 170, 186, 188, 191, 193	27921043	Chip resistor	MCR10EZHJ223	15	10
R39, 61, 70, 71, 125~128	27921051	Chip resistor	MCR10EZHJ222	8	10	x
R1005	27921108	Chip resistor	MCR10EZHJ562	1	10	х
R171, 187, 192	27921116	Chip resistor	MCR10EZHJ224	3	10
R9, 37	27921140	Chip resistor	MCR10EZHJ682	2	10	x
R117, 122	27921191	Chip resistor	MCR10EZHJ182	2	10	х
R47, 83, 88	27950266	Chip resistor	MCR10EZHJ181	3	10	х

Notes: ☆ — New parts Q'ty — Quantity used per unit * — The minimum order and supply quantity

Page 66

ltem	Code No.	Parts Name	Specification	Qʻty	*	Unit Price N.R. Yen (¥) (FOB: JAPAN)	Rank
R90, 195	27950273	Chip resistor	MCR10EZHJ823	2	10		х
R196	27950280	Chip resistor	MCR10EZHJ271	1	10		х
R7	27950287	Chip resistor	MCR10EZHJ6781	1	10		х
R119, 124	27950728	Chip resistor	MCR10EZHJ560	2	10		х
R73	27950735	Chip resistor	MCR10EZHJ204	1	10		x
R178	27950742	Chip resistor	MCR10EZHJ683	1	10		х
R72	27950861	Chip resistor	MCR10EZHJ393	1	10		х
R1009	27951204	Chip resistor	MCR10EZHF3901	1	10		х
R97, 78	27951260	Chip resistor	MCR10EZHF1003	2	10		Х
R11, 16	27951274	Chip resistor	MCR10EZHF2202	2	10		х
R74, 75, 1008	27951288	Chip resistor	MCR10EZHF3301	3	10		×
R54, 55, 118, 123	27951302	Chip resistor	MCR10EZHJ912	4	10		x
R209	27951575	Chip resistor	MCR10EZHJ162	1	10		x
R94, 98	27952030	Chip resistor	MCR10EZHJ622	2	10		x
C1, 14, 35, 37	28920016	Chip capacitor	GR40WSR102K50PT	4	10		x
C33, 61~64, 72, 73, 81	28920040	Chip capacitor	GR40Y5V104Z25PT	8	10		×
C10, 11, 15, 24, 58, 59, 4003	28920083	Chip capacitor	GR40W5R103K50PT	7	10		x
C30	28920261	Chip capacitor	GR40CH330J50PT	1	10		x
C36, 38	28920288	Chip capacitor	GR40CH100D50PT	2	10	ł	x
C3001	28920440	Chip capacitor	GR40CH120J50PT	1	10		x
C31	28920458	Chip capacitor	GR40CH220J50PT	1	10		X
DE1001	28950189	Chip tantalum capacitor	ECST0JY335R	1	10		X
C57, 60	28970084	Chip capacitor	GR42-6Y5V105Z16PT	2	10	ĺ	X
C39, 42, 51~54, 2001	28970126	Chip capacitor	GR40CH221J50PT	7	10		×
C40, 43	28970196	Chip capacitor	GR40CH560J50PT	2	10		x
C17	28970252	Chip capacitor	GR40W5R152K50PT	1	10		x
C80	28970364	Chip capacitor	GR40W5R392K50PT	1	10		X
C16	28970539	Chip capacitor	GR40W5R223K50PT	1	10		x
C6~9, 26	28970546	Chip capacitor	GR40W5R393K25PT	5	10		X
C41, 44	28970560	Chip capacitor	GR42-2CH222J50PT	2	10		X
C14	28970588	Chip capacitor	GR40CH681J50PT	1	10		x
C74, 75	28970595	Chip capacitor	GR40W5R273K50PT	2	10		x

Notes: * — New parts Q'ty — Quantity used per unit * — The minimum order and supply quantity

Page 67

ltem	Code No.	Parts Name	Specification	Qʻty	*	Rank
L2,7	30130308	Chip inductor	ELJ-FB4R7KF	2	10	с
LPF	30250224	L.P.F.	AF-808D	1		В
CN6	35011974	17P connector	ILFPC-Z-17S-S125L1	1		С
CN4	35011981	19P connector	ILFPC-Z-19S-S125L1	1		с
CN5	35011988	10P connector	ILFPC-Z-10S-S125L1	1		С
	b. Side B
IC14	20104284	D/A converter	PCM55HP	1		В
IC22	20104291	LSI (RAM)	HM65256BLFP15T	1		В
IC23, 25	21140644	Monolithic IC	NJM2903M-T1	2		В
IC13, 16, 17	21140658	Monolithic IC	UPC4082G2-T1	3		В
IC10, 11, 18, 19	21140672	IC	M5201FP-T1	4		В
IC24	21140679	IC	M54649FP-T1	1		В
IC21	21140686	Monolithic IC	NJM311M-T1	1		В
IC12, 15	21140700	Monolithic IC	μPD4053G2-T1	2		В
IC20	21141141	Monolithic IC	NJM4556M-T1	1		В
T11, 33	22010069	Chip transistor	2SA1037KT-96R	2	10	С
T31, 32	22500280	Chip transistor	2SB1234-TB	2	10	С
T13	22520315	Chip transistor	2SC2412KT-96K	1	10	С
T27, 28	22530238	Chip transistor	2SD1048X7-TB	2	10	С
T4	22530245	Chip transistor	2SD1614-T1-XL	1	10	С
T17, 23, 24	22530252	Chip transistor	2SD1048X8-TB	3	10	с
Т1	22590413	Chip transistor	DTA124EKT-96	1	10	С
T12	22590434	Chip transistor	FMS2T98	1	10	С
T15	22590441	Chip transistor	FMW1T-98	\| 1	10	С
T1001	22590462	Chip transistor	XN4601-TW	1	10	С
T1002	22590483	Chip transistor	DTA144TKT-96	1	10	С
T16	22590623	Chip transistor	DTA124TKT-96	1	10	С
D9	23600742	Chip zener diode	02CZ6.8XTE85R	1	20	С
D4001	23900399	Chip diode	DCC010-TB	1	20	С
D7	23900497	Chip diode	SB07-03C-TB	1	20	с
D6	23900623	Chip diode	SB07-03C-TB	1	20	С
R45, 102, 108	27300523	Chip resistor	MCR10EZHJ471	3	10	×
R56	27300530	Chip resistor	MCR10EZHJ272	1	10	х

Notes: ★ — New parts O'ty — Quantity used per unit * — The minimum order and supply quantity

Page 68

ltem	Code No.	Parts Name	Specification	Qʻty	*	Rank
R35, 46,80	27920209	Chip resistor	MCR10EZHJ104	2	10	х
R50, 53, 140, 141, 4001	27920217	Chip resistor	MCR10EZHJ101	5	10	×
R64, 65, 130	27920462	Chip resistor	MCR10EZHJ473	3	10	х
R57~59, 162~165, 167, 168, 1013	27920470	Chip resistor	MCR10EZHJ102	10	10	x
R24, 43	27920756	Chip resistor	MCR10EZHJ563	2	10	х
R3	27920807	Chip resistor	MCR10EZHJ470	1	10	х
R46, 100, 103, 106, 109	27920823	Chip resistor	MCR10EZHJ152	5	10	x
R2, 10, 12, 22, 28, 76 1002	27920831	Chip resistor	MCR10EZHJ103	7	10	x
R175	27920845	Chip resistor	MCR10EZHJ153	1	10	x
R67, 68, 116, 121	27920853	Chip resistor	MCR10EZHJ333	4	10	×
R34, 129	27920888	Chip resistor	MCR10EZHJ334	2	10	x
R44 .	27920934	Chip resistor	MCR10EZHJ391	1	10	x
R67, 101, 107	27920942	Chip resistor	MCR10EZHJ332	3	10	×
R144, 146	27920977	Chip resistor	MCR10EZHJ154	2	10	X
R9, 25, 26	27921027	Chip resistor	MCR10EZHJ183	3	10	x
R14, 15, 174, 176	27921043	Chip resistor	MCR10EZHJ223	4	10	x
R42, 135, 137	27921051	Chip resistor	MCR10EZHJ222	3	10	X
R1003	27921108	Chip resistor	MCR10EZHJ562	1	10	X
R31, 32, 79, 153, 154, 156, 157, 1011, 1012	27921116	Chip resistor	MCR10EZHJ224	9	10
R99, 105	27921191	Chip resistor	MCR10EZHJ182	2	10	×
R172, 173	27921205	Chip resistor	MCR10EZHJ273	2	10	X
R41	27950266	Chip resistor	MCR10EZHJ181	\| 1	10	X
R166	27950280	Chip resistor	MCR10EZHJ271	1	10
R27, 33,	27950532	Chip resistor	MCR10EZHJ105	3	10	×
150 R23, 197	27950861	Chip resistor	MCR10EZHJ393	2	10	×

Notes: ☆ — New parts Q'ty — Quantity used per unit * — The minimum order and supply quantity

Page 69

ltem	Code No.	Parts Name	Specification	Qʻty	*	Unit Price N.R. Yen (¥) (FOB: JAPAN)	Rank
R30	27950889	Chip resistor	MCR10EZHJ203	1	10		x
R21	27951197	Chip resistor	MCR10EZHF3601	1	10		х
R134, 136	27951309	Chip resistor	MCR10EZHJ684	2	10		х
R17~19	27951323	Chip resistor	MCR10EZHF1302	3	10		x
R104, 110	27951344	Chip resistor	MCR10EZHJ432	2	10		x
R204	27951351	Chip resistor	MCR10EZHJ501	1	10		x
R63	27951358	Chip resistor	MCR10EZHJ511	1	10
R29	27951365	Chip resistor	MCR10EZHJ514	1	10		x
R1, 13	27 9 51372	Chip resistor	MCR25JZHJ102	2	10		x
R3001	27951624	Chip resistor	MCR10EZHJ243	1	10		x
R20	27951862	Chip resistor	MCR10EZHF1241	1	10		x
R105	27951981	Chip resistor	MCR50JZHJ120	1	10		x
DE3~5, 8, 12, 24, 4001	28076126	Chip electrolytic capacitor	ALM16VC10TP	7	10		x
DE13, 14	28076147	Chip electrolytic capacitor	ALM16VC4R7BPTP	2	10		x
DE28	28076161	Chip electrolytic capacitor	ALM50VC1TP	1	10
DE11	28076168	Chip electrolytic capacitor	ALM6.3VC22TP	1	10		x
DE6, 7	28076175	Chip electrolytic capacitor	ALM6.3VC33TP	2	10		x
DE15~18	28076182	Chip electrolytic capacitor	ALM6.3VC22BPTP	4	10		х
DE9, 10	28076210	Chip electrolytic capacitor	ALM16VC22TP	2	10		x
DE22, 23	28076231	Chip electrolytic capacitor	ALM50VC1BPTP	2	10		x
C77	28920016	Chip capacitor	GR40W5R102K50PT	1	10		x
C32, 55, 56, 68, 82~85, 87, 88, 1001, 2002	28920040	Chip capacitor	GR40Y5V104Z25PT	12	10		x
C68	28920075	Chip capacitor	GR40W5R472K50PT	1	10		x
C4, 5, 25, 28, 29, 66, 4005	28920083	Chip capacitor	GR40W5R103K50PT	10			x
C24	28920318	Chip capacitor	GR40CH820J50PT	1	10		x
C78	28920440	Chip capacitor	GR40CH120J50PT	1	10		x
C23, 46, 49, 3002	28920458	Chip capacitor	GR40CH220J50PT	4	10		x
DE1002, 1003	28950189	Chip tantalum capacitor	ECSTOJY335R	2	10		×
DE25, 26	28950497	Chip tantalum capacitor	ECSTOJD686R	2	10	×	x
C45, 47, 48, 50	28970126	Chip capacitor	GR40CH221J50PT	4	10		×
C404	28970175	Chip capacitor	GR40Y5V473Z50PT	1	10		х

Notes: ☆ — New parts Q'ty — Quantity used per unit * — The minimum order and supply quantity

Page 70

ltem	Code No.	Parts Name	Specification	Qʻty	٠	Rank
C18, 21	28970315	Chip capacitor	GR40CH750J50PT	2	10	x
R8	28970364	Chip capacitor	GR40W5R392K50PT	1	10	x
C76	28970371	Chip capacitor	GR40CH200J50PT	1	10	x
C19, 20	28970525	Chip capacitor	GR40CH151J50PT	2	10	x
C22, 65, 67	2897053 9	Chip capacitor	GR405R223K50PT	2	10	x
C67, 69	28970546	Chip capacitor	GR40W5R393K25PT	2	10	x
СЗ	28970553	Chip capacitor	GR40Y5V224Z16PT	1	10	X
C70, 71	28970560	Chip capacitor	GR42-2CH222J50PT	2	10	X
C2, 12, 1020, 1021	28970567	Chip capacitor	GR42-6W5R104K25PT	4	10	×
C13	28970574	Chip capacitor	GR42-6W5R683K50PT	1	10	X
L1	30130308	Chip inductor	ELJ-FB4R7KF	1	10	C
L4~6	30130371	Chip inductor	ELJ-FA4R7KF	3	10	С
L2	30130378	Chip inductor	ELJ-FB101KF	1	10	С
L3	30130420	Chip inductor	ELJ-FB390KF	1	10	С
L9	30130588	Chip inductor	ELJ-FA2R2KF	1	10	С
D4	23600756	Zener diode	HZS3BLL	1	20	С
	25900336	Crystal oscillator	RF-4A3-28.224MHZ	1		В
VOL2	27650567	VR	RK08H121-10KC	1		С
VOL1	27650574	VR	RK08H121-50KC	1		С
DE1, 2	28017763	Electrolytic capacitor	SRA16VB100	2	10	x
DE27	28058301	Electrolytic capacitor	SRE25VB33	\| 1	10	x
RLY	31216028	Relay	G5AK-1011F	1		С
S1	34120301	Slide switch	SSSS213	1		С
S2	34120308	Slide switch	SSSS222	1		С
J5	35011729	DC jack	JDJ-010-01	1		С
J3	35011764	MIC jack	HSJ3064-01-411	1		С
J1, 2	35011771	Stereo miniature jack	HSJ1404-01-010	2		С
J4	35011778	Stereo miniature jack	HSJ1404-01-012	1		С
CN2	35011785	10P connector	52022-1010	1		С
CN1	35011792	14P connector	52022-1410	1		x
CN3	35011799	16P connector	52022-1610	1		С
	69901041	VR dial R01	R300007A-1	2		С

Notes: ★ — New parts Q'ty — Quantity used per unit * — The minimum order and supply quantity

Rank A: Essential B: Stock recommended C: Others X: No stock recommended

Page 71

item	Code No.	Parts Name	Specification	Qʻty	*	Rank
2)	R001-CN1N	I PCB ASS'Y
	a. Side A

D1	23700238	Chip LED	LN1251C-(TR)	1	10	с
R37	27300523	Chip resistor	MCR10EZHJ471	1	10	x
R34, 35	27920209	Chip resistor	MCR10EZHJ104	2	10	x
R2~7, 13, 14	27920462	Chip resistor	MCR10EZHJ473	8	10	x
SW1~8	34120364	Chip tact switch	SKHMPS	8	10	с
LCD	33351281	LCD	CA126-TSP	1		В
	69900872	Interconnector	R400001B-1	2		с
	69900901	LCD holder	R300001A-1	1		с
	69901061	F contact rubber	R300009A-1	1		с
CN8	69901590	FPC-001	R400037-1	1		с
	b. Side B
1C1	20017686	LSI	HD44780	1		В
IC2	20105740	LSI	μPD75108G-645-1B	1		В
IC3	21140938	Monolithic IC	S8054ALB-LM-T1	1		В
T1	22590413	Chip transistor	DTA124EKT-96	1	10	С
T2	22590427	Chip transistor	DTC124EKT-96	1	10	С
ТЗ	22590448	Chip transistor	FMW2T-98	1	10	С
X201	25900357	Chip ceramic oscillator	CSAC4.19MGCM-TC	\| 1		x
R17~22	27920209	Chip resistor	MCR10EZHJ104	6	10	X
R8~12, 15, 16	27920462	Chip resistor	MCR10EZHJ473	7	10	x
R28~32	27920831	Chip resistor	MCR10EZHJ103	5	10	x
R33	27920934	Chip resistor	MCR10EZHJ391	1	10	x
R24, 25, 38	27920977	Chip resistor	MCR10EZHJ154	3	10	х
R23	27921027	Chip resistor	MCR10EZHJ183	1	10	x
R1	27921116	Chip resistor	MCR10EZHJ224	1	10	x
R36	27950273	Chip resistor	MCR10EZHJ823	1	10	x
R26, 27	27951309	Chip resistor	MCR10EZHJ684	2	10	x
C1, 5~9	28920040	Chip capacitor	GR40Y5V104Z25PT	6	10	x
C4, 4001, 4002	28920083	Chip capacitor	GR40W5R103K50PT	3	10	х

Notes: ☆ — New parts Q'ty — Quantity used per unit * — The minimum order and supply quantity

Page 72

Ite	em	Code No.	Parts Name	Specification	Qʻty	*	Rank
C2, 3	3	28920261	Chip capacitor	GR40CH330J50PT	2	10	х
DE1		28950189	Chip tantalum capacitor	ECST0JY335R	1	10	x
CN5		699 01550	FPC-002	R400038-1	1		с
CN6		69901560	FPC-003	R40039-1	1		с
CN7		699 01570	FPC-004	R400040-1	1		с
	3)	R001-UNIT	PCB ASS'Y (Including PCBs	CAP1M, CYL1M, PB1N	1)
РСВ	ltem	a. Side A
PB CYL CAP	T11 T1 T7, 12	22010069	Chip transistor	2SA1037KT-96R	4	10	с
САР	T1~3	22500294	Chip transistor	2SA1203Y-TE12R	3	10	с
CAP	Т6	22500301	Chip transistor	2SA1213Y-TE12R	1	10	с
PB CAP	T8, 9, 12~18 T5, 8, 10	22520315	Chip transistor	2SC2412KT-96R	12	10	с
PB,	T1~6, 19	22530238	Chip transistor	2SD1048X7-TB	7	10	с
CAP	Т9	22590413	Chip transistor	DTA124EKT-96	1	10	С
CAP	T20	22590427	Chip transistor	DTC124EKT-96	1	10	С
РВ	T10	22590462	Chip transistor	XN4601-TW	1	10	С
CAP	T4	22590483	Chip transistor	DTA144TKT-96	1	10	С
CAP	D4	23900399	Chip diode	DCC010-TB	1	20	С
CYL	D3	23900490	Chip diode	DCA010-TB	1	20	С
CYL CAP	D4 D6, 7	23900499	Chip diode	DSA010-TB	3	20	С
CAP	D2	23900511	Chip diode	02CZ8.2YTE85R	1	20	С
CYL	D2	23900518	Chip diode	DCB010-TB	\| 1	20	С
РВ	D1, 2	23900623	Chip diode	SB07-03C-TB	2	20	С
РВ	R43, 45	27300523	Chip resistor	MCR10EZHJ471	2	10	×
CAP	R26	27300524	Chip resistor	MCR10EZHJ752	\| 1	10	X
РВ	R1, 4, 23, 27, 46	27300530	Chip resistor	MCR10EZHJ272	5	10	×

Notes: ☆ — New parts O'ty — Quantity used per unit * — The minimum order and supply quantity

Rank A: Essential B: Stock recommended C: Others X: No stock recommended

Page 73

РСВ	ltem	Code No.	Parts Name	Specification	Q'ty	*	Rank
PB CYL CAP	R20 R29~ 35 R10	27920209	Chip resistor	MCR10EZHJ104	9	10	х
PB CYL	R55 R4, 25, 26	27920217	Chip resistor	MCR10EZHJ101	4	10	х
PB CYL CAP	R42 R10, 11, 13 R11, 16, 57, Blank	27920462	Chip resistor	MCR10EZHJ473	8	10	×
PB CYL	R17, 21, 50, 52, 56 R1, 2, 20, 21	27920470	Chip resistor	MCR10EZHJ102	9	10	x
САР	R20, 21	27920756	Chip resistor	MCR10EZHJ563	2	10	x
PB CYL CAP	R5, 8, 32 R23,36 R1, 2, 22	27920799	Chip resistor	MCR10EZHJ472	8	10	x
РВ	R24, 25	27920815	Chip resistor	MCR10EZHJ221	2	10	x
PB CAP	853 R27	27920823	Chip resistor	MCR10EZHJ152	2	10	x
PB CYL CAP	R 18, 25, 35, 38, 48, 62, 63 R5, 8, 14 R8, 15, 25	27920831	Chip resistor	MCR10EZHJ103	13	10	×
РВ	R36, 37, 54	27920845	Chip resistor	MCR10EZHJ153	3	10	x
РВ	R2, 3, 10, 31	27920853	Chip resistor	MCR10EZHJ333	4	10	x
САР	R17	27920896	Chip resistor	MCR10EZHJ394	1	10	x
РВ	R33, 34	27920934	Chip resistor	MCR10EZHJ391	2	10	x
CYL CAP	R7 R45	27920942	Chip resistor	MCR10EZHJ332	2	10	×
РВ	R57, 58	27920950	Chip resistor	MCR10EZHJ392	3	10	×
РВ	R6, 7	27920960	Chip resistor	MCR10EZHJ822	2	10	x

Notes: ☆ — New parts Q'ty — Quantity used per unit * — The minimum order and supply quantity

Page 74

РСВ	ltem	Code No.	Parts Name	Specification	Qʻty	٠	Rank
САР	14, 24, 41	27920977	Chip resistor	MCR10EZHJ1541	3	10	х
САР	R3	27921000	Chip resistor	MCR10EZHJ122	1	10	х
САР	R19	27921027	Chip resistor	MCR10EZHJ183	1	10	х
PB CAP	R66, 67 B12	27921043	Chip resistor	MCR10EZHJ23	3	10	х
PB CYL CAP	R44, 49, 51, 69 R18 R7,	27921051	Chip resistor	MCR10E2HJ222	10	10	x
	28,35, 39, 43	07004000
CYL	R1/	27921060	Chip resistor	MCR10EZHJ184	1	10	X
CAP	K51	2/9210/8	Chip resistor	MCR10EZHJ274	1	10	Х
РВ	R60, 71	27921108	Chip resistor	MCR10EZHJ562	2	10	х
CYL	R12	27921116	Chip resistor	MCR10EZHJ224	1	10	X
CAP	R33	27921140	Chip resistor	MCR10EZHJ682	1	10	X
РВ	R11, 12, 29	27950266	Chip resistor	MCR10EZHJ181	3	10	x
CYL	R6, 19, 27, 28	27950532	Chip re s istor	MCR10EZHJ105	4	10	x
САР	R13	27950735	Chip resistor	MCR10EZHJ204	1	10	x
PB CAP	R40, 41, 51 R42	27950973	Chip resistor	MCR10EZHJ561	4	10	x
PB	R28	27951169	Chip resistor	MCR10EZHJ821	2	10	х
CYL	R39, 40	27951190	Chip resistor	MCR10EZHF1002	2	10	х
РВ	R9	27951211	Chip resistor	MCR10EZHJ113	1	10	x
САР	R18, 40	27951218	Chip resistor	MCR10EZHJ364	2	10	x
CYL CAP	R16 R52	27951239	Chip resistor	MCR10EZHJ914	2	10	x
САР	R34	27951407	Chip resistor	MCR10EZHJ304	1	10	x
САР	R32	27951785	Chip resistor	MCR10EZHJ244	\| 1	10	x
CYL	R15	27951792	Chip resistor	MCR10EZHJ754	\| 1	10	x
CAP	R3~5	27951799	Chip resistor	MCR10EZHJ132	3	10	x
РВ	R13, 14	27951827	Chip resistor	MCR10EZHJ121	2	10	×
САР	R6	27952170	Chip resistor	MCR50JZHK1R0	1	10	x

Notes: ★ — New parts O'ty — Quantity used per unit * — The minimum order and supply quantity

Page 75

РСВ	ltem	Code No.	Parts Name	Specification	Qʻty	*	Rank
CYL	R3	27952219	Chip resistor	MCR50JZHK2R2	1	10	х
PB CLY	C17, 23, 32 C8	28920016	Chip capacitor	GR40W5R102K50PT	6	10	×
PB CYL	C0, 8 C18 C4, 6, 7	28920040	Chip capacitor	GR40Y5V104Z25PT	6	10	x
CAP	C1, 5
CYL	C9	28920075	Chip capacitor	GR40W5R472K50PT	1	10	X
PB CAP	C14, 27 C11	28920083	Chip capacitor	GR40W5R103K50P1	3	10	~
PB CAP	C9 C4	28920237	Chip capacitor	GR40W5R222K50PT	2	10	x
PB CAP	C C7	28920300	Chip capacitor	GR40CH470J50PT	2	10	x
РВ	C26	28920318	Chip capacitor	GR40CH820J50PT	1	10	x
PB CLY CAP	C1, 2, 5, 6 C5 C3	28920326	Chip capacitor	GR40CH101J50PT	6	10	×
САР	C4002	28970084	Chip capacitor	GR42-6Y5V105Z16PT	1	10	x
РВ	C15	28970126	Chip capacitor	GR40CH221J50PT	1	10	x
РВ	C19, 20, 31	28970168	Chip capacitor	GR40CH391J50PT	3	10	×
РВ	C24, 28	28970252	Chip capacitor	GR40W5R152K50PT	2	10	×
CAP	C13	28970539	Chip capacitor	GR40W5R223K50PT	1	f10	X
CYL CAP	C10 C12	28970546	Chip capacitor	GR40W5R393K25PT	2	10	×
CAP	C2	28970609	Chip capacitor	GR40W5R821K50PT	1	10	X
PB CLY	C21, 22 C1~3	28970630	Chip capacitor	GR40W5R333K50PT	5	10	X
РВ	C25	28970637	Chip capacitor	GR40W5R183K501T	1	10	×
		b. Side B
РВ	IC1	21140623	IC	HA11851MP	\| 1		В
CYL	IC1	21140630	IC	HA13403MP	1		В
CYL	ЮЗ	21140637	Monolithic IC	NJM2901M-T1	1		В
CAP	IC2	21140644	Monolithic IC	NJM2903M-T1	1		В
САР	IC1	21140651	IC	TA7745F-TP-1	1		В

Notes: ★ — New parts Q'ty — Quantity used per unit * — The minimum order and supply quantity

Page 76

РСВ	ltem	Code No.	Parts Name	Specification	Qʻty	*	Rank
РВ	IC2, 3	21140658	Monolithic IC	μ ΡC4082G2- T1	2		В
CYL CAP	IC2 IC3	21140665	IC	μ PC4572G2- Τ1	2		В
РВ	T7	22010069	Chip transistor	2SA1037KT-96R	1	10	с
CAP	D3	23900497	Chip diode	DSA010-TB	1	20	с
САР	VR12	27710140	Chip semi-fixed resistor	EVM-07W00B53	1	10	с
CAP	R30	27920209	Chip resistor	MCR10EZHJ104	1	10	x
РВ	R65	27920756	Chip resistor	MCR10EZHJ563	1	10	x
РВ	R30	27920799	Chip resistor	MCR10EZHJ472	1	10	x
РВ	R9	27920831	Chip resistor	MCR10EZHJ103	1	10	x
РВ	R70	27920853	Chip resistor	MCR10EZHJ333	1	10	x
САР	R31	27921027	Chip resistor	MCR10EZHJ183	1	f10	x
PB CAP	R19, 47, 64 R50	27921043	Chip resistor	MCR10EZHJ223	4	10	x
САР	R36, 38	27921051	Chip resistor	MCR10EZHJ222	2	10	х
РВ	R16	27921124	Chip resistor	MCR10EZHJ330	1	10	X
CAP	R23	27921140	Chip resistor	MCR10EZHJ682	1	10	x
РВ	R15	27950280	Chip resistor	MCR10EZHJ271	1	10	x
САР	R48	27950532	Chip resistor	MCR10EZHJ105	1	10	x
САР	R49	27951624	Chip resistor	MCR10EZHJ243	1	10	x
CYL CAP	DE1~3, 9 DE7	28076126	Chip electrolytic capacitor	ALM16VC10TP	5	10	×
CYL CAP	DE5, 8,10, 11, 12 9, 11, 14	28076161	Chip electrolytic capacitor	ALM50VC1TP	8	10	x
САР	DE1~3, 5,6, 8	28076189	Chip electrolytic capacitor	ALM35VC10TP	6	10	x
CYL CAP	DE6 DE12, 13	28076203	Chip electrolytic capacitor	ALM6.3VC471TP	3	f10	x
CYL	DE4	28076210	Chip electrolytic capacitor	ALM16VC22TP	1	10	x
РВ	C7, 8, 35	28920040	Chip capacitor	GR40Y5V104Z25TP	3	10	×
РВ	C10, 11	28920083	Chip capacitor	GR40W5R103K50PT	2	10	×
РВ	C30	28920210	Chip capacitor	GR40W5R681K50PT	\| 1	10	X
РВ	DE2	28950266	Tantalum capacitor	ECST0JC226R	1	10	X
PB	DE3	28950469	Chip tantalum capacitor	ECST0JC106R	1	10	X

Notes: * — New parts Q'ty — Quantity used per unit * — The minimum order and supply quantity

Page 77

РСВ	ltem	Code No.	Parts Name	Specification	Qʻty	*	Rank
САР	DE4	28950476	Chip tantalum capacitor	ECST1ED106R	1	10	x
РВ	DE4	28950490	Chip tantalum capacitor	ECST0JB685R	1	10	х
РВ	DE1	28950553	Chip tantalum capacitor	ECST0JB475R	1	10	х
САР	DE15	28960084	Chip capacitor	GR42-6Y5V105Z16PT	1	10	x
CYL	C11	28970168	Chip capacitor	GR40CH391J50PT	1	10	x
РВ	C33,	28970259	Chip capacitor	GR40W5R332K50PT	3	10	х
САР	34 C9
PB	C22	28970539	Chip capacitor	GR40W5R223K50PT	\| 1	10	x
РВ	C3, 4, 12	28970609	Chip capacitor	GR40W5R821K50PT	3	10	x
РВ	C16	28970616	Chip capacitor	GR42-6CH152J50PT	1	10	x
РВ	L2, 3	30130315	Chip inductor	ELJ-FB102KF	2	10	С
РВ	L1	30130322	Chip inductor	ELJ-FB470KF	1	10	С
САР	D5	23900434	Diode	ISS172	1	10	С
САР	L3	30130427	Choke coil	CHO-R001-470K	\| 1	10	С
САР	L1	30130434	Choke coil	CHO-R001-100M	1	10	С
САР	L2	30130441	Choke coil	CHO-R001-101K-C	1	5	С
CYL	CN2	35011743	10P connector	53020-1010	1		С
САР	CN1	35011750	14P connector	53020-1410	1		С
РВ	СNЗ	35011757	16P connector	53020-1610	1	5	С
PB	СNЗ	35011876	6P connector	IL-Y-6P-S15T2-EF	1		С
CAP	CN10	35011967	15P connector	ILFPC-Z-15S-S125L1	1		С
CYL	CN11	35011974	17P connector	ILFPC-Z-17S-S125L1	1		С
CN2		34120364	Chip tact switch	SKHMPS	1		С

	4)	HOUSING
	H1	69900881	Window	R400002A-1	1		с
	H2	69901051	Cassette cover	R300008A-1	1		С
	НЗ	69901151	Upper case sub ass'y	R200002A-1	1		С
	H4	69901541	Lower case sub ass'y	R200011A*1	1		с
	H5	69901850	Rating label	R4000067-1	1		x
I	H7	69901131	Eject button R01	R300016A-1	1		С
	H8	69901171	Boddy case	R100001A	1		С
	H10	69900891	Front panel	R400003A-1	1		С
	H11	69901111	Front chassis	R300014A-1	1		С
	H12	69901142	Front case	R200001B-1	1		С

Notes: ★ — New parts Q'ty — Quantity used per unit * — The minimum order and supply quantity

Page 78

РСВ	ltem	Code No.	Parts Name	Specification	Qʻty	*	Rank
	H13	69901581	Key top set R01	R300024A*1	1		с
	H16	58601946	Mechanical unit	M-1T-01A	1		Α
	H17	69901032	Slide knob R01	R300006B-1	2		с
	H18	69901530	Chassis sub ass′y	R300063*1	1		С
	S1	00029461	Screw	M1.7 x 4	4		С
	S2	00029423	Screw	M1.7 x 3	8		С
	S3	69901300	Screw	R400044-1	1		С
	S4	00029425	Screw	M2 x 4 ZMC-3	5		С
	S5	00029424	Screw	M1.7 x 2 NI	2		С
	S6	00029426	Screw	M2 x 6	2		С
	S 7	69901910	Screw (M1.4 x 2)	R400083-1	4		С
	S8	69901920	Screw (M1.4 x 3)	R400083-2	2		С
	S9	00029425	Screw	M2 x 4 ZMC-3	4		С
ł	S10	63282780	Screw	A44793-1	1		С
	5)	BATTERY P 26050504 26050511	ACK Metal film resistor Metal film resistor	CRH200FH24-J-12 CRH200FH24-J-4.7	1	20 20	x x
		34120238	Slide switch	SSD-22DP	1		С
		35011729	DC jack	JDJ-010-01	1		С
		36130378	DC plug	JDP-010-01	1		С
		36320119	Fuse	M01-5A	1	5	С
		38150161	NI-CD battery	P-9AS-F5K1	1		A
		38150168	NI-CD battery	P-17S-F5K2	1		A
1		43078410	Blank PCB R0B1-CN1	R300061-1	1		×
		63282780	Screw A-G321	A44793-1	2	50	С
		69901191	Jack	R400004A-1	1		С
		69901221	Rating plate	R400007A-1	1	10	X
		69901231	Spacer	R400008A-1	2	10	×
		69901241	Spacer	R400009A-1	\| 1	10	X
		69901251	Lock knob	R300017A-1	1		В
		69901300	Tapping screw	R400044-1	1	50	X
		69901511	Lower case sub ass'y	R300064A*1	\| 1		С
		69901520	Upper case sub ass'y	R300067*1	1		С
		69901940	Rating plate RB1	R400082-1	1	10	×

Notes: ★ — New parts Q'ty — Quantity used per unit * — The minimum order and supply quantity

Page 79

ltem	Code No.	Parts Name	Specification	Q'ty	Rank
6)	ACCESSOR	IES

	10145875	AC adaptor	AD-D6U	1	С
	10705193	AC adaptor	AD-D6G	1	С
	10705215	AC adaptor	AD-D6A	1	С
	36130427	Cord	BN11C-187-1110	2	С
	69901840	Stand sub ass'y	R300074*1	1	С
7)	TOOLS

		Test tape	TY7251 (SONY)	\| 1	Α
		Test tape	TY7551 (SONY)	\| 1	Α
		Test tape	DC711Q (TDK)	1	Α
		Torque tape	TW7111 (SONY)	\| 1	В
		Torque tape	TW7231A (SONY)	\| 1	В
		Daiflon solvent	S3 1kg (DAIKIN INDUSTRY CO.)		Α









			•

Rank A: Essential B: Stock recommended C: Others X: No stock recommended

Page 80

Page 81

- 77 -

Page 82

DAT MECHANISM

		Page
1.	HANDLING PRECAUTIONS	79
	1-1. Whole Mechanism	79
	1-2. Cylindrical Head Drum	79
	1-3. Capstan Motor	79
2.		80
	2-1. Tape Loading	80
	2-2. Tape Transport	80
	2-3. Reel Driving	80
	2-4. Cassette Holder	80
3.	DISASSEMBLY/ASSEMBLY	81
	3-1. Major Block	81
	3-2. Base Mechanism Unit	83
	3-3. Sub Chassis Unit	85
	3-4. Loading Gear Unit	87
	3-5. Cassette Holder Mechanism	89
4.	ADJUSTMENTS	91
	4-1. Back Tension Torque	91
	4-2. Greasing	93
5.	PARTS LIST	94

Page 83

1. HANDLING PRECAUTIONS

1-1. Whole Mechanism

(1) To life the mechanism, hold the PCBs on both sides gently. Do not hold the Cassette Holder as it may be deformed. When placing the mechanism, put it up side down.
(2) Do not touch the Cylindrical Head Drum with naked hand.
(3) Do not pile up the mechanisms.
(4) Never touch the connector terminals of FPC with naked hand.
(5) Do not cary or lift the mechanism by holding FPC or wires.
(6) Never touch or scratch the Guide Rollers. To clean the Guide Rollers, soak a cotton stick in Daiflon Solvent and rub them gently.
(7) Do not touch or scratch the Poles.
(8) Never touch Pinch Roller, Belt, or Pulley with oily hands.

1-2. Cylindrical Head Drum

(1) Do not touch the drum, moisture (DEW) sensor, and FPC terminal.
(2) Hold the base to carry the part.
(3) Put the Cylindrical Head Drum on a soft material so that the drum and the rotor do not suffer by the shock.
(4) Never lift or carry the part by holding the FPC.
(5) Do not bend or pull the FPC.
(6) Do not perform soldering work near Cylindrical Head Drum.
(7) Never apply a pressure on the upper drum.

1-3. Capstan Motor

(1) Never touch the rotor with metallic objects such as screw drivers or tweezers. Keep magnetized material away from the rotor.
(2) Do not place Capstan Motors closely.
(3) Do not touch the FG Sensor.
(4) Never lift Capstan Motor by holding the FPC connector.

Page 84

2. FUNCTION OF EACH MECHANISM

The DAT mechanism is designed for portable type and, is composed of Tape Loading mechanism, Tape Transport Poles, Reel Driving mechanism, Cassette Holder mechanism. The followings are functions of each block.

2-1. Tape Loading

Extracting the tape from the cassette, wrapping it about the cylindrical head drumat a precisely defined angle, are performed by one DC motor. Control of the motor is done by Mode Sensor Switch.

2-2. Tape Transport

The mechanism is made up with nine poles, cylindrical head drum, and capstan as shown below.

The tape is guided by those poles and transported by the rotation of capstan.

2-3. Reel Driving

Rotation of capstan motor is transmitted to the reels via a belt. A DC motor moves the Idler Gear to Tape-up or Supply reels to transmit the rotation in accordance with reversing or forwarding of tape. Mode Sensor Switch controls the DC motor and the position of Idler Gear.

2-4. Cassette Holder

Cassette Holder mechanism consists of holder and lifter block. Holder block opens and closes the slider of the cassette. Using a damper, the lifter block ejects cassette smoothly.

Page 85

3. DISASSEMBLY/ASSEMBLY

3-1. Major Block

This section explains the procedures for separating the DAT mechanism in Base mechanism unit, Sub-chassis unit, Loading gears unit, and Cassette holder unit.

[Exploded View]

Page 86

Disassembly Part	Disassembly Procedure	Causion
(47) Belt		Do not apply grease on belt
(42) Grease Cover	(1) Remove screw (43) 1 (2) Remove Grease Cover
Sub-chassis Unit	(1) Remove three (5) and one (7) screws (2) Remove Sub-chassis Unit
Loading Gear Unit	(1) Remove two 56 and one 57 1 screws (2) Remove Loading Gear Unit
Cassette Holder Unit	(1) Remove five 57 2-6 screws (2) Removing 43 2 screw, take Cassette Holder unit off

Perform the above procedures in reverse sequence for the assembly.

Page 87

Page 88

Disassembly Part	Disassembly Procedure	Caution
76) P2 Guide Ass'y	(1) Remove (3) 2 screw. (2) Remove (2) Guide Ass'y	Do not scratch or mar the pole where the tape touches.
63) IC Base Ass′γ б4) IC Base Ass′у	(1) Remove retainer rings (18) 1 and (18) 2. (2) Remove IC Base Ass'y (L) and (R).	Do not scratch or mar the pole where the tape touches.
⑨ Cam plate Ass′y	(1) Remove washers (14) 1, (14) 2, and (61) 2. (2) Remove rollers (90) , (92). (3) Remove Cam plate ass'y (91).
စ်ာ LOD BT Arm	(1) Remove Lock spring (48). (2) Remove Lock ring (49). (3) Remove (14) 3 washer then take LOD BT Arm (50) off.
45) SP Metal	Remove retainer rings 64 1 and 64 2. After removing 62 washer, displace Slide R/F 46. Dismantle Lock spring 65. Extract SP Metal 45.
86 Slide Plate supporter	Remove TG-L spring 68. Remove LOD G spring L (79) and LOD G spring R (80). Displace Retainer rings (18) 3 and (18) 4 then, dismatle Plate SPG(1) (81) and Plate SPG (2) (82). After removing Retainer rings (64) 3 and (64) 4, take two Rollers (85) and Guide Plate supporter (83) and (84). Remove Slide Plate supporter (86).

Perform the above procedures in reverse sequence for the assembly. Do not reuse the retainer rings and the washers.

Page 89

3-3. Sub Chassis Unit

Page 90

Dissassembly Part	Disassembly Procedure	Caution
(109) Reel Ass′y (Take up and supply)	(1) Remove washers (6) 1 and (6) 2. (2) Extract two Reel Ass'ys (109). (3) Remove two Luminars (107). (4) Displace two BT springs (106).	Do not apply grease on the reflective plate of the Reel Ass'y.
102 TU Ass'γ 103 TU Ass'γ	(1) Remove two washers 101. (2) Remove TU Ass'ys 102 and 113. (3) Remove two Poly-slider washers 103.
104 Sensor Ass'y	(1) Desolder FPC Connector (2) Unscrew (12) 1 and (12) 2 then take Sensor Ass'y (104) off.	Be careful not to peel the foils.
(99) Long MTR2 Ass'y	(1) Remove screws (7) , (12) 3, and (12) 4. (2) Remove (99) Long MTR2 Ass'y.
98 Center Pulley	(1) Remove washer (61) 3. (2) Extract Pulley (98).
108 Idler Gear	(1) Remove washer (61) 4 then extract Idler Gear (108). (2) Remove Center SP (105).	Do not break the gear.

Perform the above procedures in reverse sequence for the assembly.

Do not reuse the retainer rings and the washers.

Page 91

3-4. Loading Gear Unit

Page 92

Disassembly Part	Disassembly Procedure	Caution
28 PCB Ass'y	(1) Desolder the lead wires from Motor. (2) Remove the FPC from Mode Sensor Switch. (3) Unscrew (56) then take (28) PCB Ass'y off.	Do not apply too much heat on Motor terminals
29 Motor	After taking washer (1) 1 off, remove Gear AL (35). After taking washer (4) 2 off, remove Gear BL (36). Unscrew (34) 1 and (34) 2 then take Motor BKT Ass'y off. Remove Retainer ring (18) 1 then remove Worm wheel L (31). Removing Retainer ring (18) 2, extract Helical Gear (33). Remove Motor (29) after unscrewing of 34 3 and (34) 4.	Do not damage the gears
③ Lock LD	(1) Remove two screws 40. (2) Remove Lock LD 37.	Do not damage gears.
38 Mode Sensor Switch	(1) Remove two screws 39. (2) Remove Mode Sensor Switch 38.

Perform the above procedures in reverse sequence for assembly. Do not reuse the retainer rings an the washers.

Page 93

3-5. Cassette Holder Mechanism

Page 94

Disassembly Part	Disassembly Proceudre	Caution
⑥Plate Side L	Remove Retainer ring 18 1 and washer 14 1 then take Plate Side Ass'y off. Unhook Holder SP(L) 17. Remove Washers 13, 15 and Collar ring 16 1, then take Rack Damper 12. Take Damper 7 off after unscrew 8 1. Remove two screws 10. Remove Sensor Ass'y 11 and Lower Sensor Cover L 9.	do not bend or warp the sensor. Do not damage gears.
78) Plate Side R	Unhook Holder SP (R) Remove Ratainer ring 1 2, washer (14) 2 and Collar ring 16 2 then take Plate Side Ass'y off. Unhook Lock spring 24. Unscrew (58) then remove Leaf Switch 26. Remove Sensor cover (20) and Sensor Ass'y (21) after unscrew (22). Remove Lid Opener (19) after unscrewing of (8) 2.	Do not bend or warp the sensor. Be careful not apply grrease or dust on the Leaf Switch. Do not bend the Leaf Switch.
②Plate Holder	Remove four screws (3) 1 - (3) 4 then take Plate Holder block off. Unscrew (3) 5 and (3) 6 then remove two Leaf springs (5). Unscrew (3) 7 then take Cassette Supporter (4).	Do not deform springs.

Perform the above procedures in reverse sequence for assembly. Do not reuse the retainer rings and the washers.

Page 95

4. ADJUSTMENTS

4-1. Back Tension Torque

Page 96

Page 97

4-2. Greasing

Page 98

5. PARTS LIST

ltem	Code No.	Parts Name	Specification	Qʻty	*	Unit Price N.R. Yen (¥) (FOB: JAPAN)	Rank
3	00078922	Screw 1.7*1.8 NI	UG13D-11	7			с
7	00078926	Dumper	SZ115-11	1			с
8	00078927	Screw 3 1.7*6 NS	UG12B-11	2			с
9	00078928	T sensor cover L	SD143-11	1			с
10	00078929	Screw 1 1.7*2.5 NB	UG15K-12	5			с
11	00078930	T sensor ass′y	S258-013	1			в
13	00078932	Spacer 1.3*2.5	UJ11N-12	1			С
14	00078933	Spacer 1.7*2.5	FJ123-14	8			С
15	00078934	Spacer 2.1*2.5	FJ111-18	1			С
16	00078935	Collar	SL190-11	2			С
17	00078936	Holder SP(L)	SK130-12	1			с
18	00078937	E ring	KG111-18	8			С
19	00078938	Lid opener	SD135-13	1			С
20	00078939	Sensor cover	SD142-11	1			С
21	00078940	Sensor ass′y	S258-012	1			В
22	00078941	Screw 1 1.7*3 NI	UG15K-13	1			С
23	00078942	Holder SP(R)	SK131-14	1			С
24	00078943	Lock spring	SK129-12	1			С
25	00078944	Screw 3 1.7*2.5 NB	FG164-20	2			С
28	00078947	PCB ass′y	S-237-011	1			В
29	00078948	Motor	S064-011	1		-	Α
31	00078950	Worm wheel L	SN115-11	1			С
32	00078951	Worm L	SN113-11	1			В
33	00078952	Helical gear	SN114-11	1			С
34	00078953	Screw 1 2.0*2 NI	FC121-16	4			С
35	00078954	Gear AL	SN116-11	1			с
36	00078955	Gear BL	SN117-11	1			с
37	00078956	Rack LD	SN118-11	1	1		В
38	00078957	Mode sensor switch	UE16B-12	1			В
39	00078958	Screw 1 1.7*3 NB	FG164-13	2			C
40	00078959	Screw 3 1.7*4.5 NB	FG164-24	3			С
41	00078960	Spacer	UJ13N-16	2			С
42	00078961	Grease cover	SC140-11	1			С
43	00078962	Screw 3 1.7*2.5 NB	FG164-20	2			С
44	00078963	Lock lever	SC128-12	\| 1			С
47	00078966	Belt	SF111013	1			A
48	00078967	Lock spring	SK115-12	\| 1			С
49	00078968	Lock link	SK116-12	1			С

Notes: ★ — New parts Q'ty — Quantity used per unit * — The minimum order and supply quantity

Page 99

ltem	Cod e No.	Parts Name	Specification	Qʻty	*	Unit Price N.R. Yen (¥) (FOB: JAPAN)	Rank
50	00078969	Loading BT arm	SD139-12	1			С
51	00078970	Sensor ass'y	S258-011	1			в
52	00078971	Guide roller ass'y	SQ116-11	2			с
53	00078972	Inclined plane ass'y	S272-015	1			в
54	00078973	Inclined plane ass'y	S272-016	1			в
55	00078974	Screw 3 2.0*8 NI	FG140-26	3			с
56	00078975	Screw 11 2.0*9 ZN	KG194-49	3			с
57	00078976	Screw 11 2.0*4 ZN	KG194-25	7			с
58	00078977	Screw 1 2.0*2.5 NI	FG121-12	3			с
59	00078978	Screw 3 1.7*8 NB	FG164-28	3			с
61	00078979	Spacer 1.2*2.5	FJ123-13	6			с
62	00078980	Spacer 2.1*2.5	FJ123-20	2			С
63	00078981	Spacer 2.2ZN	FJ151-11	1			с
64	00078982	E ring 2.0	KG111-19	4			С
65	00078983	Spring holder	SK121-16	1			с
66	00078984	Spring	SK117-13	1			С
67	00078985	P roller spring	SK118-16	1			С
68	00078986	TG-L spring	SK122-11	1	1		С
70	00078987	Tension arm ass'y	SQ111-12	1			С
71	00078988	Pinch roller ass'y	SR118-12	1			В
73	00078990	Screw 11 2.0*5 ZN	KG 194-35	2			С
74	00078991	P1 guide ass'y	SQ114-13	1			В
75	00078992	Screw 1 1.7*2 NB	FG164-12	1			С
76	00078993	P2 guide ass'y	SQ115-13	1			В
77	00078994	Screw 1 1.7*42 N	UG11W-13	2			С
79	00078996	Loading spring (L)	SK119-12	1			С
80	00078997	Loading spring (R)	SK120-12	1			С
83	00079000	Guide plate supporter ass′y	S182-011	1			С
84	00079001	Guide plate supporter ass′y	S182-012	1			С
85	00079002	Collar	SL133-12	2		1	С
88	00079005	Slide G spring	SK132-12	1			С
89	00079006	TG-(R) spring	SK133-12	\| 1			С
90	00079007	Roller	SL113-13	1			С
92	00079009	Collar	SL139-12	1			С
94	00079011	E ring 3.0	KG111-13	1			С
95	00079012	PCB ass'y	S237-016	1			В

Notes: ★ — New parts Q'ty — Quantity used per unit * — The minimum order and supply quantity

Page 100

ltem	Code No.	Parts Name	Specification	Q'ty	Rank
96	00079013	Micro-switch	UE16C-11	2	В
98	00079015	Center pulley	SR115-11	1	С
99	00079016	Loading motor 2 ass'y	SW113-12	1	Α
101	00079017	Spacer 0.9*.25	UJ13M-11	3	с
102	00079018	TU ass′y	SR119-12	1	с
103	00079019	Spacer 1.4*.25	FJ111-16	2	С
104	00079020	Sensor ass′y	S258-014	1	В
105	00079021	Center pile	SK112-12	\| 1	С
106	00079022	BT spring	SK113-12	2	С
107	00079023	Spacer	UJ12B-11	2	С
108	00079024	ldle gear ass′y	SR114-13	\| 1	С
109	00079025	Reel ass′y	SR117-11	2	С
110	00079026	Cylinder ass'y	2W001A	\| 1	Α
111	00079027	Capstan motor	5Z001A	\| 1	A
112	00079028	TP spring M1.7*3	UG14U-12	4	С
113	00079029	TU ass′y	SR119031	1	С
114	00079030	Break spring	SK134-12	1	С

Notes: ☆ — New parts Q'ty — Quantity used per unit * — The minimum order and supply quantity

Rank A: Essential B: Stock recommended C: Others X: No stock recommended

Casio da 1 Service Manual

CONTENTS

2. WIRING DIAGRAM

3-2. Other PCBs R001-CN1M, CYL1M, CAP1M, PB1M

3-3. Major Waveforms

5. LSI FUNCTIONS

5-1. Main CPU A(HD62004) and B(HD62014)

Outline

Features

AD/DA Interface

Microcomputer Interface

Servo Unit

Name and function of each terminal

HD62014

5-2. Microcomputer (µPD75108G)

a. Block Diagram

b. Pin Functions

5-3. LCD Driver (HD44780)

6. IC BLOCK DIAGRAM

6-1. Data Strobe IC(HA12109)

6-2. Head Amp. (HA11851MP)

6-3. Digital to Analog Converter (PCM55HP)

6-4. RAM (HM65256BLFP)

6-5. Loading Motor Driver(M54649FP)

6-6. Cylinder Motor Driver (HA13403)

6-7. Capstan Motor Driver (TA7745F)

6-8. Multiplexer (μPD4053)

6-9. Voltage Regulators

a. M5236ML

7. MICROCOMPUTER INTERFACE

8. SERVO SYSTEM

8-2. Cylinder Servo

8-3. Capstan Servo

8-4. Motor Control

9. D/A • A/D CONVERTER BLOCK

a. D/A Converter

b. A/D Converter

e.g. 4-bit A/D Converter

10. ADJUSTMENTS

10-1. Power Source Voltage

10-2. Recording Zero Level

[Checkpoints]

[Adjusting Method]

10-3. Linearity

[Adjusting method]

10-4. Cylinder and Clock Pulse Synchronism

[Chekpoints]

10-5. Error Rate

[Adjusting Method]

10-6. Search

[Adjusting Method]

10-7. 10 Times Speed

10-8. REC Level

10-9. Over Write

10-10. Title Change

11. OPERATION

Sub-codes

Sub-code registration

DA-1 sub-codes

ABS (absolute time)

Program time

Start ID

Program number

Display characters

Skip ID

Track Format

When blank spaces are not inserted...

Changing the Time Counter

ABS (Absolute time)

PRG (Program time)

REM (Remaining time)

Chr (Character)

Cnt (Counter)

ABS (Absolute time)

PRC (Program time)

REM (Remaining (display modes: stop. play. pause. recording) time)

Changing the Operating Mode

Key functions The mode and function keys operate in various ways, depending on the selected mode.

Troubleshooting

Error messages