Pioneer XR-A780 Service Manual
Pioneer XR-A780 Service Manual

Pioneer XR-A780 Service Manual

Stereo cd cassette deck receiver
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STEREO CD CASSETTE DECK RECEIVER
XR-A780
XR-A380
XR-A380SW
XR-A380GR
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Type
XR-A780
XR-A380
DBDXJ
DXJN/NC
YPWXJ
-
DDXJ
¶ This service manual should be used together with the following manual(s):
Model No.
XR-A6800/MYXJ
XR-A4800/MYXJ
PIONEER CORPORATION
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2000
Model
XR-A380SW XR-A380GR
-
-
-
-
-
-
-
Order No.
RRV2328
CONTENTS
1. SAFETY INFORMATION ...................................... 2
3. SCHEMATIC DIAGRAM ..................................... 15
4. PCB CONNECTION DIAGRAM .......................... 23
5. ADJUSTMENT .................................................... 24
6. MUSIC PAD ....................................................... 26
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
Power Requirement
AC110-127V/220-230V/240V
AC110-127V/220-230V/240V
AC240V
AC110-127V/220-230V/240V
Remarks
T - ZZK JULY 2000 Printed in Japan
ORDER NO.
RRV2355
The voltage can be converted
by the following method.
With the voltage selector
With the voltage selector
-------
With the voltage selector

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Summary of Contents for Pioneer XR-A780

  • Page 1: Table Of Contents

    PIONEER 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 EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2000 T –...
  • Page 2: Safety Information

    XR-A780, XR-A380, XR-A380SW, XR-A380GR 1. SAFETY INFORMATION LABEL CHECK (for YPWXJ type) IMPORTANT THIS PIONEER APPARATUS CONTAINS LASER OF CLASS 1. SERVICING OPERATION OF THE APPARATUS S H O U L D B E D O N E B Y A S P E C I A L L Y INSTRUCTED PERSON.
  • Page 3: Contrast Of Miscellaneous Parts

    Ex.2 When there are 3 effective digits (such as in high precision metal film resistors). 562 x 10 5.62k 5621 RN1/4PC 5 6 2 1 CONTRAST TABLE for XR-A780 XR-A780/DBDXJ, DXJN/NC, YPWXJ and XR-A6800/MYXJ are constructed the same except for the following : Part No. Ref. No. Mark Symbol and Description XR-A6800 XR-A780 XR-A780...
  • Page 4: Packing Section

    XR-A780, XR-A380, XR-A380SW, XR-A380GR CONTRAST TABLE for XR-A380, XR-A380SW and XR-A380GR XR-A380/DBDXJ, DXJN/NC, YPWXJ, XR-A380SW/DDXJ, XR-A380GR/DBDXJ and XR-A4800/MYXJ are constructed the same except for the following : Part No. Ref. No. Mark Symbol and Description XR-A4800 XR-A380 XR-A380 XR-A380 Remarks...
  • Page 5 XR-A780, XR-A380, XR-A380SW, XR-A380GR EXPLODED VIEWS ÷ DECK MECHANISM UNIT SECTION (XYM3011) • DECK MECHANISM UNIT PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Assy’y HD Holder 50-093-4373 Spring 01-081-4601 Frame HD 50-219-3024 Plate AZ 50-119-4046...
  • Page 6 XR-A780, XR-A380, XR-A380SW, XR-A380GR • DECK MECHANISM UNIT (1/2)
  • Page 7 XR-A780, XR-A380, XR-A380SW, XR-A380GR...
  • Page 8 XR-A780, XR-A380, XR-A380SW, XR-A380GR • DECK MECHANISM UNIT (2/2)
  • Page 9 XR-A780, XR-A380, XR-A380SW, XR-A380GR...
  • Page 10 XR-A780, XR-A380, XR-A380SW, XR-A380GR CONTRAST OF PCB ASSEMBLIES AF ASSY XWZ3303 and XWZ3310 are constructed the same except for the following : Part No. Mark Symbol and Description Remarks XWZ3310 XWZ3303 IC5751 BU1923F Not used Q5751 2SA1037K Not used Q5752...
  • Page 11 XR-A780, XR-A380, XR-A380SW, XR-A380GR AF ASSY XWZ3288 and XWZ3297 are constructed the same except for the following : Part No. Mark Symbol and Description Remarks XWZ3297 XWZ3288 IC5751 BU1923F Not used Q5751 2SA1037K Not used Q5752 DTC124EK Not used L3333, L3334...
  • Page 12: Voltage Selector

    XR-A780, XR-A380, XR-A380SW, XR-A380GR PRIMARY ASSY XWZ3291, XWZ3294 and XWZ3312 are constructed the same except for the following : Part No. Mark Symbol and Description Remarks XWZ3312 XWZ3291 XWZ3294 VOLTAGE SELECTOR Not used XKX3001 Not used LINE FILTER ATF1136 Not used Not used H3–H6...
  • Page 13 XR-A780, XR-A380, XR-A380SW, XR-A380GR Mark No. Description Part No. Mark No. Description Part No. ÷ PCB PARTS LIST C6215 CFTLA103J50 C6211,C6254,C6403,C6417 CKSQYB102K50 FM/AM TUNER MODULE (AXQ7065) C6201,C6205,C6210,C6237,C6276 CKSQYB103K50 C6278,C6280,C6281,C6402,C6409 CKSQYB103K50 SEMICONDUCTORS C6418 CKSQYB103K50 IC6201 LA1832ML C6251,C6252 CKSQYB153K50 IC6202 LC72131MD C6203,C6259...
  • Page 14: Pcb Parts List

    XR-A780, XR-A380, XR-A380SW, XR-A380GR Mark No. Description Part No. Mark No. Description Part No. ÷ PCB PARTS LIST C6216 CEAS330M16 C6262 CEAS3R3M50 C6219 CEAS470M10 FM/AM TUNER MODULE (AXQ7062) C6244 CEAS470M16 SEMICONDUCTORS C6249, C6250, C6265, C6266 CEAS4R7M50 IC6201 LA1832ML C6258 CEJA470M16...
  • Page 15: Schematic Diagram

    XR-A780, XR-A380, XR-A380SW, XR-A380GR 3. SCHEMATIC DIAGRAM 3.1 AF (3/3) ASSY 3/3F AF ASSY (XR-A780 : XWZ3303) (XR-A380, XR-A380SW, XR-A380GR : XWZ3288) FRONT SPEAKERS XR-A780 : XKE3004 XR-A380, XR-A380SW, XR-A380GR : AKE7018 XR-A780 ONLY XKN3004 PHONES 3/3F...
  • Page 16: Fm/Am Tuner Module

    XR-A780, XR-A380, XR-A380SW, XR-A380GR 3.2 FM/AM TUNER MODULE MIX AMP RF AMP 1T378A BUFFER IF AMP FM +B SW MW RF TUNING BLOCK AKX7041...
  • Page 17 XR-A780, XR-A380, XR-A380SW, XR-A380GR Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST" FM/AM TUNER MODULE (AXQ7065) AF AMP AF AMP CN6201 KP200IA14L REGULATOR...
  • Page 18 XR-A780, XR-A380, XR-A380SW, XR-A380GR 3.3 FM/AM TUNER MODULE MIX AMP RF AMP BUFFER IF AMP FM +B SW AM RF TUNING BLOCK SW DRIVE FM/AM TUNER MODULE (AXQ7062)
  • Page 19 XR-A780, XR-A380, XR-A380SW, XR-A380GR AF AMP AF AMP REGULATOR...
  • Page 20: Primary Assy

    XR-A780, XR-A380, XR-A380SW, XR-A380GR 3.4 PRIMARY ASSY POWER TRANSFORMER XR-A780 : XTS3037 XR-A380, XR-A380SW, XR-A380GR : XTS3036 NJM7805-FA S1WB(A)60SD...
  • Page 21 • NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. CAUTION - REPLACE WITH SAME TYPE AND RATINGS ONLY. PRIMARY ASSY (DBDXJ, XR-A780 : AEK1059 (T3.15A) DXJN/NC, XR-A380, XR-A380SW, DDXJ : XWZ3291) XR-A380GR : AEK1057 (T2A) (YPWXJ : XWZ3294)
  • Page 22: Display Assy

    XR-A780, XR-A380, XR-A380SW, XR-A380GR 3.5 DISPLAY ASSY DISPLAY ASSY (XR-A780 : XWZ3305) (XR-A380 : XWZ3290) CN81 10MHz 5618, D5622 : XR-A780 ONLY DISPLAY ASSY S5911 : DISC-1 S5912 : DISC-3 S5913 : DISC-2 S5914 : POWER STANDBY/ S5915 : DISC CHANGE...
  • Page 23: Pcb Connection Diagram

    XR-A780, XR-A380, XR-A380SW, XR-A380GR 4. PCB CONNECTION DIAGRAM 4.1 FM/AM TUNER MODULE CN3051 FM/AM TUNER MODULE VR6201 Q6204 Q6203 SIDE A FM/AM TUNER MODULE (ANP7159-B) Q6202 Q6201 Q6304 Q6302 Q6303 Q6301 IC6201 Q6401 Q6214 IC6202 Q6306 Q6403 Q6402 Q6404 Q6205...
  • Page 24: Adjustment

    XR-A780, XR-A380, XR-A380SW, XR-A380GR 5. ADJUSTMENT Note : Adjustment of XR-A780 are the same as those of XR-A6800 except for the following: Adjustment of XR-A380, XR-A380SW and XR-A380GR are the same as those of XR-A4800 except for the following: FM Tuner Section •...
  • Page 25 XR-A780, XR-A380, XR-A380SW, XR-A380GR Note : XR-A380SW ONLY AM Tuner SW Section Set the mode selector to SW2. Connect the wiring as shown in Fig. 3. AM SG (400Hz, 30% Mod.) Reception Adjustment Adjustment Step No. Frequency Specifications Frequency Input Level...
  • Page 26: Music Pad

    XR-A780, XR-A380, XR-A380SW, XR-A380GR 6. MUSIC PAD 6.1 EXPLODED VIEWS AND PARTS LIST • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. • mark found on some component parts indicates the importance of the safety factor of the part.
  • Page 27 XR-A780, XR-A380, XR-A380SW, XR-A380GR 6.2 PCB PARTS LIST • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List. • mark found on some component parts indicates the importance of the safety factor of the part.
  • Page 28 XR-A780, XR-A380, XR-A380SW, XR-A380GR 6.3 SCHEMATIC DIAGRAM 6.3.1 MUSIC PAD ASSY MUSIC PAD ASSY (XWM3119) DTC114TK Q501 DTC144TK Q303 DTC114TK Q302...
  • Page 29 XR-A780, XR-A380, XR-A380SW, XR-A380GR Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST" DTC114TK Q502 DTA114TK Q602 S301 : SALSA HOUSE S401 : ALRIGHT S901 : POWER ON/OFF S302 : R&B...
  • Page 30 XR-A780, XR-A380, XR-A380SW, XR-A380GR 6.4 PCB CONNECTION DIAGRAM 6.4.1 MUSIC PAD ASSY MUSIC PAD ASSY VR301 (XNP3024-C) SIDE A...
  • Page 31 XR-A780, XR-A380, XR-A380SW, XR-A380GR MUSIC PAD ASSY IC301 Q303 Q502 IC501 Q501 Q901 IC701 Q302 Q301 IC401 Q803 Q802 Q602 Q801 (XNP3024-C) Q601 Q603 SIDE B...

This manual is also suitable for:

Xr-a380Xr-a380swXr-a380gr

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