TEAC_CR-H250.pdf

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CR-H250
SERVICE MANUAL
CR-H250
CD Receiver
For U.K.
CONTENTS
1 SPECIFICATIONS ɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾ 2
2 MICROCOMPUTER PIN FUNCTIONS ɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾ 3
3 EXPLODED VIEWS AND PARTS LIST ɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾ 11
4 PC BOARDS AND PARTS LIST ɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾ 13
5 INCLUDED ACCESSORIES ɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾɾ 17
NOTES
˔ PC boards shown are viewed from parts side.
˔ The parts with no reference number or no parts number in the
exploded views are not supplied.
˔ As regards the resistors and capacitors, refer to the circuit diagrams
contained in this manual.
˔ £ Parts marked with this sign are safety critical components. They
must be replaced with identical components - refer to the appropriate
parts list and ensure exact replacement.
Effective : October, 2004
S-0130A
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1 SPECIFICATIONS
AMPLIFIER Section
Output Power .............................. 25 W/ch (6 ohms, 0.5 %,1 kHz)
Input Sensitivity ................................................ 300 mV/47k ohms
Frequency Response ...................... 20 Hz to 60,000 Hz (+1/-3 dB)
Standard Accessories
Remote Control Unit (RC-956) x 1
Batteries (AAA) x 2
AM Loop Antenna x 1
FM Lead-type Antenna x 1
DAB Antenna x 1
Owner’s Manual x 1
Warranty Card x 1
TUNER Section
FM Section
Tuning Range .............. 87.50 MHz to 108.00 MHz (50 kHz steps)
Signal-to-Noise Ratio .............................................. 65 dB (Mono)
60 dB (Stereo)
Presets ...................................................................................... 30
Design and specifications are subject to change without notice.
Weight and dimensions are approximate.
AM Section
Tuning Range .......................... 522 kHz to 1629 kHz (9 kHz steps)
Signal-to-Noise Ratio............................................................ 35 dB
Presets ...................................................................................... 30
DAB Section
Tuning Range ...................................... Band 3, 174 MHz-240 MHz
Input.................................................................. 50 ohms, nominal
Max Signal .................................................................. –3 dBm typ
Sensitivity .................................................................. –96 dBm typ
Adjacent Channel Rejection ............................................ 35 dB typ
Presets ...................................................................................... 10
Audio Output ........................................................ Stereo, 2.5 Vp-p
Digital Output .......................................... 24 bit/48 kHz resolution
CD PLAYER Section
Frequency Response .......................... 20 Hz to 20,000 Hz (±2 dB)
Signal-to-Noise Ratio .......................................... more than 85 dB
Wow and Flutter ...................................................... Unmeasurable
GENERAL
Power Requirements............................................ 230 V AC, 50 Hz
Power Consumption .............................................................. 75 W
(standby) .............................................................................. 2 W
Dimension (W x H x D) ................................ 215 x 110 x 359 mm
Weight ................................................................................ 4.4 kg
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2 MICROCOMPUTER PIN FUNCTIONS
ST92F124V1
˙ PIN ASSIGNMENT
100 99 98 97969594939291908988878685848382818079787776
A20/P9.6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
P8.4/AIN4
P8.3/AIN3
P8.2/AIN2
P8.1/AIN1/WKUP15
P8.0/AIN0/WKUP14
NC
P6.5/WKUP10/INTCLK
P6.4/NMI
P6.3/INT3/INT5
P6.2/INT2/ INT4 /DS2
P6.1/INT6/RW
P6.0/INT0/INT1/CLOCK2/8
P0.7/A7/D7
V DD
V SS
P0.6/A6/D6
P0.5/A5/D5
A21/P9.7
WAIT/WKUP5/P5.0
WKUP6/WDOUT/P5.1
SIN/WKUP2/P5.2
WDIN/SOUT/P5.3
TXCLK/CLKOUT/P5.4
RXCLK/WKUP7/P5.5
DCD/WKUP8/P5.6
WKUP9/RTS/P5.7
ICAPA1/P4.0
CLOCK2/P4.1
V SS
ICAPB1/OCMPB1/P4.3
OCMPA1/P4.2
ST92F124V1
V DD
EXTCLK1/WKUP4/P4.4
EXTRG/STOUT/P4.5
P0.4/A4/D4
SDA/P4.6
P0.3/A3/D3
P0.2/A2/D2
P0.1/A1/D1
P0. 0/A0/D0
AS
DS
WKUP1/SCL/P4.7
ICAPB0/P3.1
ICAPA0/OCMPA0/P3.2
OCMP B0 /P3.3
EXTCLK0/SS/P3.4
MISO/P3.5
P1.7/A15
26 2 7 28 29 3 0 31 32 3 3 34 35 3 6 37 38 3 9 40 41 4 2 43 44 4 5 46 47 4 8 49 50
* V TEST must be kept low in standard operating mode.
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˙ BLOCK DIAGRAM
FLASH
128 Kbytes
Ext. MEM.
ADDRESS
DATA
Port0
A[7:0]
D[7:0]
E 3 TM
1 Kbyte
Ext. MEM.
ADDRESS
Ports
1,9
RAM
4 Kbytes
A[10:8]
A[21:11]
AS
DS
RW
WAIT
NMI
DS2
RW
P0[7:0]
P1[7:3]
P1[2:0]
P2[7:0]
P3[7:4]
P3[3:1]
P4[7:4]
P4[3:0]
P5[7:0]
P6[5:2,0]
P6.1
P7[7:0]
P8[7:0]
P9[7:0]
256 bytes
Register File
Fully
Prog.
I/Os
8/16 bits
CPU
INT[6:0]
WKUP[15:0]
Interrupt
Management
ST9 CORE
OSCIN
OSCOUT
RESET
CLOCK2/8
INTCLK
CK_AF
RCCU
I 2 C BUS
SDA
SCL
STOUT
ST. TIMER
WATCHDOG
WDOUT
HW0SW1
ICAPA0
OCMPA0
ICAPB0
OCMPB0
EXTCLK0
ICAPA1
OCMPA1
ICAPB1
OCMPB1
EXTCLK1
EF TIMER 0
SPI
MISO
MOSI
SCK
SS
EF TIMER 1
ADC
AV DD
AV SS
AIN[15:8]
AIN[7:0]
EXTRG
TXCLK
RXCLK
SIN
DCD
SOUT
CLKOUT
RTS
TINPA0
TOUTA0
TINPB0
TOUTB0
TINPA1
TOUTA1
TINPB1
TOUTB1
MF TIMER 0
SCI M
MF TIMER 1
SCI A
RDI
TDO
V REG
VOLTAGE
REGULATOR
The alternate functions (
Italic characters
) are mapped on Port 0, Port 1, Port2, Port3, Port4, Port5, Port6, Port7,
Port8 and Port9.
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˙ PIN FUNCTIONS
PIN No
PIN Name
I/O
Function
1
SM_CE
O
FIP Driver(IC42) Chip enable Port
VFD Control Port
DAB Data Input Port
2
VFD_BLK
O
3
DAB_DIN
I
4
DAB_CLK
O
DAB Data Clock Port
5
DAB_DOUT
O
DAB Data Output Port
No Connection
No Connection
Stanby LED On Control Port (Active "H")
6
NC
-
7
NC
-
8
STANBY
O
9
F_MUTE
O
Function Mute Port (Active "H")
10
NC
-
No Connection
11
OPTION1
-
12
OPTION2
-
Option port
13
OPTION3
-
14
GND
-
GND Port
Power Supply Port
Option port
Real Time Clock I.C_Data port
15
VDD1
-
16
OPTION4
-
17
RTC_DATA
I/O
18
RTC_CLK
O
Real Time Clock I.C_Clock port
19
RTC_P
O
Real Time Clock I.C_Square wave out port
20
F_STB
O
Function STB control port
21
NC
-
No Connection
No Connection
22
NC
-
23
NC
-
No Connection
No Connection
24
NC
-
25
NC
-
No Connection
No Connection
No Connection
Stabiliztion capacitor for internal voltage regulator.
26
NC
-
27
NC
-
28
V_REG
-
29
NC
-
No Connection
30
PROTECT
I
Protect Control port (Active "L")
31
SP_ON
O
Speaker On port
Headphone input control port
Volume IC(IC91) STB port
Tuner Mute port
32
HP_IN
I
33
V_STB
O
34
T_MUTE
O
35
V_CLK
O
Volume IC(IC91) Clock output port
Volume IC(IC91) Data output port
36
V_DATA
O
37
BACK_UP
I
BACKUP mode control port
38
VSS2
-
GND
39
VDD2
-
Power Supply port
Stabiliztion capacitor for internal voltage regulator.
40
V_REG2
-
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