Pioneer PX-7 Service Manual

($
PIONEER
Service
cTVIanual
CIRCUIT &
MECHANISM
DESCRIPTIONS
REPAIR &
ADJUSTMENTS
ORDER
NO.
ARP-683-0
PERSONAL
COMPUTER
MODEL
PX-7
COMES
IIM
TWO
VERSIONS DISTINGUISHED
AS FOLLOWS:
Type
HE
HB
Voltage
AC220V, 240V
(switchable)
AC240V, 220V
(switchable)
Remarks
European
continent
model
United
Kingdom
model
RF OUTPUT
G/PALUHF
36 ±
1
ch
l/PAL
UHF
36
±
1
ch
•
This
service
manual
is
applicable to the
HE
and
HB
types.
CONTENTS
1.
SPECIFICATIONS
2
2.
PANEL
FACILITIES
12
3.
DISASSEMBLY
21
4.
PARTS LOCATIONS 23
5.
EXPLODED
VIEWS
AND
PARTS
LIST 25
6.
PACKING
28
7.
CONNECTION DIAGRAM
29
8.
SCHEMATIC
AND
P.C.
BOARDS
CONNECTION DIAGRAM
31
9.
ELECTRICAL PARTS
LIST
44
10.
ADJUSTMENTS
48
11.
INSPECTION
ROM
INSTRUCTION
MANUAL
53
12.
BLOCK DIAGRAM
69
13.
CIRCUIT DESCRIPTION
73
PIONEER ELECTRONIC
CORPORATION
4-i.
Meguro
i
-Chome, Meguro-ku, Tokyo
153. Japs
PIONEER ELECTRONICS
[USA]
INC.
P.O.
Box 1760. Long
Beach.
California
90B01
U S
A.
TEL: [BOO] A21-1AOA, [BOO)
237-OA24
PIONEER ELECTRONIC [EUROPE]
N.V. Keetberglaan
1.
27AO
Beveren. Belgium TEL:
03/775 20 08
PIONEER ELECTRONICS AUSTRALIA
PTY. LTD. 178-1
BA
Boundary Road.
Braeside. Victoria 3195. Austral
TEL:
[03)
5BO-9S11
FZ ©OCT.
1985
Printed
in
J;