Text preview for : Teac-CRH250 rec+cd.pdf part of Teac CRH250 receiver + cd
Back to : Teac-CRH250 rec+cd.pdf | Home
SERVICE MANUAL
CR-H250
CD Receiver
For U.K.
CONTENTS
1 SPECIFICATIONS 2
2 MICROCOMPUTER PIN FUNCTIONS 3
3 EXPLODED VIEWS AND PARTS LIST 11
4 PC BOARDS AND PARTS LIST 13
5 INCLUDED ACCESSORIES 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
1 SPECIFICATIONS
AMPLIFIER Section Standard Accessories
Output Power .............................. 25 W/ch (6 ohms, 0.5 %,1 kHz) Remote Control Unit (RC-956) x 1
Input Sensitivity................................................ 300 mV/47k ohms Batteries (AAA) x 2
Frequency Response ...................... 20 Hz to 60,000 Hz (+1/-3 dB) AM Loop Antenna x 1
FM Lead-type Antenna x 1
DAB Antenna x 1
TUNER Section Owner's Manual x 1
FM Section Warranty Card x 1
Tuning Range .............. 87.50 MHz to 108.00 MHz (50 kHz steps)
Signal-to-Noise Ratio .............................................. 65 dB (Mono)
60 dB (Stereo) · Design and specifications are subject to change without notice.
Presets ...................................................................................... 30 · 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
2
2 MICROCOMPUTER PIN FUNCTIONS
ST92F124V1
PIN ASSIGNMENT
P7.6/AIN14/WKUP12
P7.5/AIN13/WKUP11
P7.4/AIN12/WKUP3
P7.7/AIN15/7/WKUP13
P7.0/AIN8/CK_AF
P7.3/AIN11
P7.2/AIN10
P7.1/AIN9
P8.7/AIN7
P8.6/AIN6
P8.5/AIN5
P9.1/TDO
HW0SW1
OSCOUT
P9.5/A19
P9.4/A18
P9.3/A17
P9.2/A16
P9.0/RDI
RESET
OSCIN
AVDD
AVSS
VDD
VSS
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
A20/P9.6 1 75 P8.4/AIN4
A21/P9.7 2 74 P8.3/AIN3
WAIT/WKUP5/P5.0 3 73 P8.2/AIN2
WKUP6/WDOUT/P5.1 4 72 P8.1/AIN1/WKUP15
SIN/WKUP2/P5.2 5 71 P8.0/AIN0/WKUP14
WDIN/SOUT/P5.3 6 70 NC
TXCLK/CLKOUT/P5.4 7 69 P6.5/WKUP10/INTCLK
RXCLK/WKUP7/P5.5 8 68 P6.4/NMI
DCD/WKUP8/P5.6 9 67 P6.3/INT3/INT5
WKUP9/RTS/P5.7 10 66 P6.2/INT2/INT4/DS2
ICAPA1/P4.0 11 65 P6.1/INT6/RW
CLOCK2/P4.1 12 64 P6.0/INT0/INT1/CLOCK2/8
OCMPA1/P4.2
VSS
13
14
ST92F124V1 63
62
P0.7/A7/D7
VDD
VDD 15 61 VSS
ICAPB1/OCMPB1/P4.3 16 60 P0.6/A6/D6
EXTCLK1/WKUP4/P4.4 17 59 P0.5/A5/D5
EXTRG/STOUT/P4.5 18 58 P0.4/A4/D4
SDA/P4.6 19 57 P0.3/A3/D3
WKUP1/SCL/P4.7 20 56 P0.2/A2/D2
ICAPB0/P3.1 21 55 P0.1/A1/D1
ICAPA0/OCMPA0/P3.2 22 54 P0.0/A0/D0
OCMPB0/P3.3 23 53 AS
EXTCLK0/SS/P3.4 24 52 DS
MISO/P3.5 25 51 P1.7/A15
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
VSS
VREG
VREG
NC
*VTEST
SCK/WKUP0/P3.7
RW
TINPA0/P2.0
TINPB0/P2.1
TOUTA0/P2.2
TOUTB0/P2.3
TINPA1/P2.4
TINPB1/P2.5
TOUTA1/P2.6
TOUTB1/P2.7
A8/P1.0
A9/P1.1
A10/P1.2
A11/P1.3
WKUP6
A12/P1.4
A13/P1.5
A14/P1.6
MOSI/P3.6
VDD
* VTEST must be kept low in standard operating mode.
3
BLOCK DIAGRAM
FLASH
128 Kbytes Ext. MEM.
ADDRESS A[7:0]
DATA D[7:0]
Port0
E3 TM
1 Kbyte
Ext. MEM.
ADDRESS A[10:8]
MEMORY BUS
RAM Ports A[21:11]
4 Kbytes 1,9
P0[7:0]
AS
DS P1[7:3]
RW Fully P1[2:0]
256 bytes
WAIT Prog. P2[7:0]
Register File
NMI I/Os P3[7:4]
DS2 P3[3:1]
8/16 bits
RW P4[7:4]
CPU
P4[3:0]
Interrupt P5[7:0]
INT[6:0] Management P6[5:2,0]
WKUP[15:0] P6.1
ST9 CORE P7[7:0]
OSCIN P8[7:0]
OSCOUT P9[7:0]
RESET RCCU SDA
CLOCK2/8 I2C BUS SCL
INTCLK
CK_AF
STOUT ST. TIMER WATCHDOG WDOUT
REGISTER BUS
HW0SW1
ICAPA0
OCMPA0 MISO
ICAPB0 EF TIMER 0 MOSI
OCMPB0 SPI SCK
EXTCLK0 SS
AVDD
ICAPA1 AVSS
OCMPA1 AIN[15:8]
ICAPB1 EF TIMER 1 ADC
AIN[7:0]
OCMPB1 EXTRG
EXTCLK1
TXCLK
TINPA0 RXCLK
TOUTA0 SIN
MF TIMER 0
TINPB0 SCI M DCD
TOUTB0 SOUT
TINPA1 CLKOUT
TOUTA1 RTS
MF TIMER 1
TINPB1
TOUTB1 RDI
SCI A
TDO
VOLTAGE
VREG
REGULATOR
The alternate functions (Italic characters) are mapped on Port 0, Port 1, Port2, Port3, Port4, Port5, Port6, Port7,
Port8 and Port9.
4
PIN FUNCTIONS
PIN No PIN Name I/O Function
1 SM_CE O FIP Driver(IC42) Chip enable Port
2 VFD_BLK O VFD Control Port
3 DAB_DIN I DAB Data Input Port
4 DAB_CLK O DAB Data Clock Port
5 DAB_DOUT O DAB Data Output Port
6 NC - No Connection
7 NC - No Connection
8 STANBY O Stanby LED On Control Port (Active "H")
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
15 VDD1 - Power Supply Port
16 OPTION4 - Option port
17 RTC_DATA I/O Real Time Clock I.C_Data port
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
22 NC - No Connection
23 NC - No Connection
24 NC - No Connection
25 NC - No Connection
26 NC - No Connection
27 NC - No Connection
28 V_REG - Stabiliztion capacitor for internal voltage regulator.
29 NC - No Connection
30 PROTECT I Protect Control port (Active "L")
31 SP_ON O Speaker On port
32 HP_IN I Headphone input control port
33 V_STB O Volume IC(IC91) STB port
34 T_MUTE O Tuner Mute port
35 V_CLK O Volume IC(IC91) Clock output port
36 V_DATA O Volume IC(IC91) Data output port
37 BACK_UP I BACKUP mode control port
38 VSS2 - GND
39 VDD2 - Power Supply port
40 V_REG2 - Stabiliztion capacitor for internal voltage regulator.
5
PIN No PIN Name I/O Function
41 VTEST - GND
42 CD_OPEN_M O Open Motor control port
43 CD_RW O CD Control Interface
44 CD_CCE O CD DSP IC Chip enable port (Active "L")
45 CD_BUCK O CD DSP IC Clock port
46 NC - No Connection
47 NC - No Connection
48 CD_RESET O CD Reset output port (Active "L")
49 CD_POWER O CD Power control port
50 CD_STBY O CD Stanby control port
51 NC - No Connection
52 NC - No Connection
53 NC - No Connection
54 CD_LIMIT_SW I CD Limit Switch input port
55 CD_CLOSE_SW I CD Close Switch input port
56 CD_OPEN_SW I CD Open Switch input port
57 CD_BUS3 I/O
58 CD_BUS2 I/O
CD_BUS Interface port
59 CD_BUS1 I/O
60 CD_BUS0 I/O
61 VSS3 - GND
62 VDD3 - Power Supply port
63 CD_CLOSE_M O Close Motor control port
64 BUS_IN I System remote Input port
65 REMOTE I Remote Data input port
66 RDS_CLK I RDS Clock port
67 NC - No Connection
68 NC - No Connection
69 BUS_OUT O System remote Output port
70 NC - No Connection
71 KEY2 I
KEY Data input port
72 KEY1 I
73 NC - No Connection
74 JOG1 I
JOG Data Input port(Master Volume)
75 JOG2 I
76 NC - No Connection
77 NC - No Connection
78 NC - No Connection
79 VDD4 - Power Supply port
80 VSS4 - GND
81 POWER_H O Power on control port (Active "H")
6
PIN No PIN Name I/O Function
82 P/F_DATA O PLL/FUNCTION Data Input port
83 P/F_CLK O PLL/FUNCTION Clock Input port
84 PLL_DIN I PLL Data input port
85 PLL_CE O PLL Chip enable port
86 TUNED_IN I Tuner Module Tuned control port
87 STEREO_IN I Tuner Module Stereo control port
88 RDS_DATA I RDS Data input port
89 VSS5 - GND
90 VDD5 - Power Supply port
91 OSCIN -
4MHz Crystal Connection port
92 OSCOUT -
93 RESET I Reset Input port
94 HWOSW1 - Watchdog option port
95 SM_DATA0 O
96 SM_DATA1 O
FIP Data input/output port
97 SM_DATA2 O
98 SM_DATA3 O
99 SM_CLK O FIP Driver Clock output port
100 SM_RESET O FIP Driver Reset port
7
S3F84BB
PIN ASSIGNMENT
P0.0/PG0
P0.1/PG1
P0.2/PG2
P0.3/PG3
P0.4/PG4
P0.5/PG5
P0.6/PG6
P0.7/PG7
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
P2.7/TAOUT 1 64 P8.0
P2.6/TACAP 2 63 P8.1
P2.5/TACK 3 62 P8.2
P2.4/TBPWM 4 61 P8.3
P2.3/DAOUT 5 60 P8.4/INT8
P2.2/SCK 6 59 P8.5/INT9
P2.1/SI 7 58 P6.0
P2.0/SO 8 57 P6.1
P5.7 9 56 P6.2
P5.6/SDAT 10 55 P6.3
P5.5/SCLK 11 54 P6.4
VDD1 12 53 VDD2
VSS1 13 S3C84BB/F84BB 52 VSS2
XOUT 14 (80-QFP-1420C) 51 P6.5
XIN 15 50 P6.6
TEST 16 49 P6.7
P5.4 17 48 P7.0/ADC0
P5.3/RxD0 18 47 P7.1/ADC1
RESETB 19 46 P7.2/ADC2
P5.2/TxD0 20 45 P7.3/ADC3
P5.1/RxD1 21 44 AVSS
P5.0/TxD1 22 43 AVREF
P3.7/TCOUT1 23 42 P7.4/ADC4
P3.6/TCOUT0 24 41 P7.5/ADC5
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
P3.5/T1OUT1
P3.4/T1OUT0
P4.7/INT7
P3.3/T1CAP1
P3.1/T1CK1
P4.2/INT2
P3.2/T1CAP0
P4.1/INT1
P4.0/INT0
P3.0/T1CK0
P4.6/INT6
P4.5/INT5
P4.4/INT4
P4.3/INT3
P7.7/ADC7
P7.6/ADC6
8
BLOCK DIAGRAM
P0.0-P0.7 P1.0-P1.7
AVREF AVSS
Port 0 A/D Port 1
XIN
XOUT OSC/RESETB
RESETB Port 2 P2.0-P2.7
8-Bit I/O Port and Interrupt Control
Basic Timer
P2.7/TAOUT 8-Bit
P2.6/TACAP Port 3 P3.0-P3.7
P2.5/TACK Timer
P2.4/TBOUT /CounterA,B
8-Bit SAM88RC CPU
P3.7/TCOUT0
Timer/
P3.6/TCOUT1
CounterC0,C1 P4.0-P4.7/
Port 4
P3.4/T1OUT0 INT0~INT7
P3.2/T1CAP0 16-Bit
P3.0/T1CK0 Timer
P3.5/T1OUT1
P3.3/T1CAP1 /Counter10,11
P3.1/T1CK1
Port 5 P5.0-P5.7
P2.2/SCK 64K-Byte 2064-Byte
P2.1/SI ROM RAM
P2.0/SO
SIO/
P5.3/RXD0 UART0,1
P5.2/TXD0
P5.1/RXD1
P5.0/TXD1 Port 6 P6.0-P6.7
P0.0~P0.7/
PG
PG0~PG7
Port 8 D/A Port 7
P8.0-P8.5/ P2.3/ P7.0-P7.7/
INT8,INT9 DAOUT ADC0~ADC7
9
PIN FUNCTIONS
PIN No. NAME I/O DESCRIPTION
5 VFD_CS O VFD STB port
6 VFD_CLK O VFD Clock port
8 VFD_DATA O VFD data port
10 DATA I UPDATE data port
11 CLK I UPDATE clock port
12 VDD 1 - Power input port
13 VSS 1 - GND
14 X OUT -
10MHz Crystal Connection port
15 X IN -
16 TEST I Pull - down register connected internally
19 VFD_RESET I VFD Reset port
27 DATA 3 I FIP data in/out port
28 DATA 2 I
FIP data input port
29 DATA 1 I
30 DATA 0 I FIP data output port
31 CS I FIP driver IC(IC42) chip enable port
32 CLK I FIP driver IC(IC42) clock in/out port
43 AVREF - A/D converter reference voltage
44 AVSS - A/D converter ground
52 VSS 2 - Power input port
53 VDD 2 - GND
10
3 EXPLODED VIEWS AND PARTS LIST
38
37
33
36
39
32
34
31
19
35
19
30 43
18 44
44
15
17
16 29
10
14
9
15
11 24
17 23
42
24
8
22
12 13
28
7
3 11
42
40
2
41
6
27
1 25
20
21
5 26
4
11
EXPLODED VIEW LIST
£
£
£
£
12
4 PC BOARDS AND PARTS LIST
MAIN PCB
13
POWER PCB
14
CD PCB ASSY MAIN PCB ASSY (GATHER)
£
MAIN PCB ASSY (GATHER)
15
POWER PCB ASSY (GATHER) POWER PCB ASSY (GATHER)
£
£
£
£
£ £
£
£
£
£
£
£
£
£
£
£
£
£
£
£
£
£
£ £
£ £
£ £
£
£
£
£ £
£ £
£ £
£ £
£
£
£
£
16
5 INCLUDED ACCESSORIES
INCLUDED ACCESSORIES
17