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SERVICE MANUAL
CR-H220
CD Receiver
CONTENTS
1 SPECIFICATIONS 2
2 MICROCOMPUTER PIN FUNCTIONS 3
3 EXPLODED VIEWS AND PARTS LIST 5
4 PC BOARDS AND PARTS LIST 8
5 INCLUDED ACCESSORIES 12
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.
Parts of [ ] mark can be used only with the version designated.
Effective : October, 2004 S-0129A
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)
TUNER Section
FM Section
Frequency Range .......... 87.50 MHz to 108.00 MHz (50 kHz steps)
Signal-to-Noise Ratio .............................................. 65 dB (Mono)
60 dB (Stereo)
AM Section
Frequency Range .................... 522 kHz to 1629 kHz (9 kHz steps)
Signal-to-Noise Ratio............................................................ 35 dB
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) .............................................................................. 1.5 W
Dimension (W x H x D) ................................ 215 x 110 x 359 mm
Weight ................................................................................ 4.4 kg
Standard Accessories
Remote Control Unit (RC-959) x 1
Batteries (AA, R6, SUM-3) x 2
AM Loop Antenna x 1
FM Lead-type Antenna x 1
Owner's Manual x 1
Warranty Card x 1
· Design and specifications are subject to change without notice.
· Weight and dimensions are approximate.
2
2 MICROCOMPUTER PIN FUNCTIONS
TMP87PS71AF
PIN No. NAME I/O DESCRIPTION
1 F_MUTE O Function Mute Control port (Active "H")
2 REMOTE I Remote Data input port
3 RDS_CLK I RDS Clock input port
4 RDS_DATA I RDS Data input port
5 TAPE(H) O TAPE Control port (Active "H")
6 AUX2(H) O AUX2 Control port (Active "H")
7 N.C - No Connection
8 CD_STBY O CD_STANDBY On Control port
9 GND - GND
10 JOG2 I
JOG Data Input port(Master Volume)
11 JOG1 I
12 RESET I Reset port
13 X IN -
8MHz Crystal Connection port
14 X OUT -
15 GND - GND
16 BACK_UP I BACKUP mode control port
3
PIN No. NAME I/O DESCRIPTION
17 CD_BUS0 I/O
18 CD_BUS1 I/O
CD_BUS Interface port
19 CD_BUS2 I/O
20 CD_BUS3 I/O
21 CD_OPEN_SW I CD Open Switch input port
22 CD_CLOSE_SW I CD Close Switch input port
23 CD_LIMIT_SW I CD Limit Switch input port
24 TUNED_IN I Tuner Module Tuned port
25 STEREO_IN I Tuner Module Stereo port
26 N.C - No Connection
27 POWER_H O Power on port
28 PLL_DIN I PLL data input port
29 V-STB O Volume I.C(IC21) Chip enable port
30 P/V_CLK O PLL/VOLUME Colck output port
31 P/V_DATA O PLL/VOLUME Data output port
32 PLL_CE O PLL Chip enable port
33 VDD I Power Supply port
34~65 FIP_DATA O FIP Data output port
66 -30V I -30V Supply port
67 OPTION I option port
68 PROTECT I Protect Control port (Active "L")
69 H/P_IN I Headphone input control port
70 CD_POWER O CD Power control port
71 CD_RESET O CD Reset output port
72 CD_BUCK O CD DSP IC Clock port
73 CD_CCE O CD DSP IC Chip enable port (Active "L")
74 CD_RW O CD Control Interface
75 CD_OPEN_M O Open Motor control port
76 CD_CLOSE_M O Close Motor control port
77 KEY2 I
KEY Data input port
78 KEY1 I
79 SP_ON O Speaker On Control port
80 T_MUTE O Tuner Mute Control port
4
3 EXPLODED VIEWS AND PARTS LIST
38
37
33
36
39
32
34
31
19
35
19
30
18
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
5
EXPLODED VIEW LIST
£
6
EXPLODED VIEW LIST
£
£
£
£
7
4 PC BOARDS AND PARTS LIST
MAIN PCB
8
POWER PCB
9
CD PCB ASSY MAIN PCB ASSY (GATHER)
£
MAIN PCB ASSY (GATHER)
10
POWER PCB ASSY (GATHER) POWER PCB ASSY (GATHER)
£
£
£
£ £
£
£
£ £
£ £
£
£
£
£
£ £
£
£
£ £
£ £
£ £
£ £
£ £
£
£
£
£ £
£
£
£
£
11
5 INCLUDED ACCESSORIES
INCLUDED ACCESSORIES
12