Pioneer KEH-P9700REW User Manual

PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880
C PIONEER ELECTRONIC CORPORATION 1998
K-ZEU MAY 1998 Printed in Japan
ORDER NO.
CRT2197
MULTI-CD/MD/DAB CONTROL DSP HIGH POWER CASSETTE PLAYER WITH RDS TUNER
Se r v i c e
M a nu a l
KEH-P9700R EW
NOTE:
- See the separate manual CX-631(CRT1640) for the cassette mechanism description.
- The cassette mechanism assy employed in this model is one of 2L series
- Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
- This service manual does not describe the CD test mode.
For the operations in the CD test mode, refer to the CD player's Service Manual.
KEH-P9750 ES
CONTENTS
1. SAFETY INFORMATION............................................2
2. EXPLODED VIEWS AND PARTS LIST ......................2
3. SCHEMATIC DIAGRAM...........................................10
4. PCB CONNECTION DIAGRAM................................31
5. ELECTRICAL PARTS LIST........................................45
6. ADJUSTMENT.........................................................58
7. GENERAL INFORMATION.......................................60
7.1PARTS .................................................................60
7.1.1 IC...............................................................60
7.1.2 DISPLAY ...................................................70
7.2DIAGNOSIS ........................................................71
7.2.1 DISASSEMBLY.........................................71
7.3EXPLANATION ...................................................72
7.3.1 BLOCK DIAGRAM....................................72
8. OPERATIONS AND SPECIFICATIONS....................74
KEH-P9750/ES
MULTI-CD CONTROL DSP HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER

Pioneer KEH-P9700REW Specifications

Power

power source voltage	14.4 V DC
max current consumption	10 A
load impedance	4 Ω (4 – 8 Ω allowable)

FM Tuner

frequency range	87.5 – 108 MHz
usable sensitivity	11 dBf (1.0 µV/75 Ω, mono, S/N: 30 dB)
signal-to-noise ratio	70 dB (IEC-A network)
distortion	0.3% (at 65 dBf, 1 kHz, stereo)
frequency response	30 – 15, 000 Hz (±3 dB)
stereo separation	40 dB (at 65 dBf, 1 kHz)

Amplifier (KEH-P9700R/EW)

maximum power output	40 W × 4
continuous power output	25 W × 4 (DIN45324, +B =14.4 V)
preout output level/output impedance	500 mV/1 kΩ

Amplifier (KEH-P9750/ES)

maximum power output	40 W × 4
continuous power output	20 W per channel min. into 4 ohms
preout output level/output impedance	500 mV/1 kΩ

AM Tuner (KEH-P9750/ES)

frequency range	531 – 1, 602 kHz (9 kHz)
usable sensitivity	18 µV (S/N: 20 dB)
selectivity	50 dB (±9 kHz)

DSP

equalizer frequency	50, 80, 125, 200, 315, 500, 800, 1.25 k, 2 k, 3.15 k, 5 k, 8 k, 12.5 k (Hz)
equalizer level	± 12 dB (2 dB)
auto equalizer frequency (STD Mode)	50, 80, 125, 200, 315, 500, 800, 1.25 k, 2 k, 3.15 k, 5 k, 8 k, 12.5 k (Hz)

Cassette Player

tape speed	4.76 cm/sec.(+0.14cm/sec., -0.05cm/sec.)
fast forward/rewinding time	Approx. 100 sec. for C-60
wow & flutter	0.09% (WRMS)

Weight and Dimensions

weight	1.8 kg
dimensions (DIN) chassis width	178 mm
dimensions (DIN) chassis height	50 mm
dimensions (DIN) chassis depth	155 mm
dimensions (DIN) nose width	188 mm
dimensions (DIN) nose height	58 mm
dimensions (DIN) nose depth	20 mm