Clarion PN-1740B Service Manual

Clarion PN-1740B Service Manual

Nissan automobile genuine am/fm radio cassette stereo

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SPECIFICATIONS
Radio section
Tuning system:
PLL Frequency synthesizer system
Receive range:
AM
FM
Intermediate frequency:
AM
FM
Quieting sensitivity:
AM
FM
Separation:
FM
Auto tuning stop sensitivity:
AM
FM
Tape section
Reproducting system: 4 track 2 program
2 channel stereo system
Wow and flutter:
Less than 0.15%(W.R.M.S)
Separation:
More than 35dB
Cross talk:
More than 45dB
S/N ratio:
Normal tape(120us)
Metal tape(70us)
FF/REW time:
Less than 110sec.(C-60)
Clarion Co., Ltd.
50 Kamitoda, Toda-shi, Saitama 335-8511 Japan
Service Dept.: 5-66 Azuma , Kitamoto-shi, Saitama 364-0007 Japan
Tel: +81-48-541-2335 / 2432 FAX: +81-48-541-2703
530kHz to 1,710kHz
87.9MHz to 107.9MHz
450 +3/-3kHz
10.7 +0.2/-0.2MHz
Less than 37dBu
(at 20dB S/N)
Less than 15dBu
(at 30dB S/N)
More than 22 +5/-7dB(1kHz)
41 +6/-6dBu
(at 1000kHz,1400kHz)
32 +6/-6dBu
More than 47dB(DOLBY B NR off)
More than 55dB(DOLBY B NR on)
More than 49dB(DOLBY B NR off)
More than 57dB(DOLBY B NR on)
Service Manual
NISSAN Automobile Genuine
AM/FM Radio Cassette Stereo
PN-1740B
Model
(Genuine No.28115 CR900)
(ID No.CK080)
PN-1740K
Model
(Genuine No.28115 AR260)
(ID No.CK100)
General
Load impedance:
Power output:
Power supply voltage: DC13.2V(10.8V to 15.6V)
Consumptive current: Less than 10A(MAX)
Dimensions(mm):
Weight:
*
Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation.
"DOLBY" and the double-D symbol are trademarks of
Dolby Laboratories Licensing Corporation.
*
Specifications and design are subject to change without
notice for further improvement.
COMPONENTS
PN-1740B-A/PN-1740K-A
Main unit
NOTE
*
We cannot supply PWB with component parts in prin-
ciple. When a circuit on PWB has failure,please repair it
by component parts base. Parts which are not mentioned
in service manual are not supplied.
- 1 -
Published by Service Dept.
298-6036-00 Dec.2002 P
Printed in Japan
4 ohm x4
15W x4
Negative ground
184(W) x56(H) x160(D)
approx. 1.4kg
-----------
PN-1740B,K
1

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Summary of Contents for Clarion PN-1740B

  • Page 1 Clarion Co., Ltd. Published by Service Dept. 50 Kamitoda, Toda-shi, Saitama 335-8511 Japan 298-6036-00 Dec.2002 P Service Dept.: 5-66 Azuma , Kitamoto-shi, Saitama 364-0007 Japan Printed in Japan Tel: +81-48-541-2335 / 2432 FAX: +81-48-541-2703 Service Manual NISSAN Automobile Genuine AM/FM Radio Cassette Stereo...
  • Page 2: To Engineers In Charge Of Repair Or Inspection Of Our Products

    2. Adjust the output of TP101 to become just high level with VR102. Oscilloscope 1. Insert a Dolby level test tape(400Hz, 200nWb/m). Milli volt meter Dolby level 2. Adjust VR1(R)/VR2(L) so that an output of TP1(L)/TP2(R) is 300mV +1/-1dB. - 2 - PN-1740B,K...
  • Page 3 51: J1850 INT : IN : Interrupt command input from SAE-J1850 communication protocol conformity trans- mission controller. pin 52: ACC ON IN : IN : ACC detection signal input. pin 53: IVCS ON : IN : IVCS ON. - 3 - PN-1740B,K...
  • Page 4: Block Diagram

    017-0420-33 14V40mA P.LAMP ORG.(1740B) 331-2471-20 MECHANISM BRACKET 017-0420-26 14V40mA P.LAMP BLU.(1740K) 930-0797-81 TAPE MECHANISM 013-3934-02 SWITCH 930-0797-01 074-1151-06 OUTLET SOCKET 6P(1740B) 331-3040-10 REAR PLATE W/ANT PLUG 074-1151-06 OUTLET SOCKET 6P(1740K) 307-0672-00 REAR COVER 076-0526-03 PLUG(3P) 854-4457-01 EXTENSION LEAD(12P) - 4 - PN-1740B,K...
  • Page 5: Tape Mechanism Section

    960-4282-06 DETECT SUB ASSY 960-4348-03 REEL ASSY F 960-4301-02 PLAY LINK ASSY 960-4349-03 REEL ASSY R 039-1365-00 SIDE PWB 960-4389-03 EJECT SUB ASSY (WITHOUT COMPONENT) 11-1 750-3020-01 SWITCH PLATE SPRING 990-0698-00 REAR PWB ASSY (WITH COMPONENT) - 5 - PN-1740B,K...
  • Page 6 - 6 - PN-1740B,K...
  • Page 7 166-4701-50 47pF CH C619 168-1022-55 1000pF C302 168-1042-78 16V 0.1uF C507 168-3312-55 330pF C620 183-1053-69 50V1uF C303 168-1042-78 16V 0.1uF C508 166-5601-50 56pF CH C621 166-1511-50 150pF CH C401 183-2263-39 16V22uF C509 183-2253-69 50V2.2uF C622 168-1042-78 16V 0.1uF - 7 - PN-1740B,K...
  • Page 8 050-0140-54 1/32W 1k ohm x4J FIL601 060-3113-93 NFM2112R13C221R Q707 190-1048-00 2SA1048 R637 119-4721-15 1/16W 4.7k ohm FIL602 060-3113-93 NFM2112R13C221R Q708 125-0001-91 UN2111 R638 119-5621-15 1/16W 5.6k ohm IC401 051-6201-90 LC72146M Q708 125-0002-92 RN2402 R639 119-5631-15 1/16W 56k ohm - 8 - PN-1740B,K...
  • Page 9 117-1241-10 1/10W 120k ohm 117-2231-10 1/10W 22k ohm 178-1042-78 0.1uF 119-3341-10 1/16W 330k ohm 119-2231-10 1/16W 22k ohm 074-1225-14 14P 117-1811-10 1/10W 180 ohm 119-2231-10 1/16W 22k ohm 076-0478-53 3P 119-1131-15 1/16W 11k ohm 119-1841-10 1/16W 180k ohm - 9 - PN-1740B,K...
  • Page 10: Circuit Diagram

    REF No. PART No. DESCRIPTION REF No. PART No. DESCRIPTION REF No. PART No. DESCRIPTION 013-3953-01 CRO2 013-3951-11 MODE 051-1776-00 NJL5801K Rear PWB section(B6) : Tape mechanism REF No. PART No. DESCRIPTION 013-3906-00 TAPE-DETECT CIRCUIT DIAGRAM Sub PWB section(B1) - 10 - PN-1740B,K...
  • Page 14 P R IN T E D W IR IN G B O A R D - 14 -...

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