Panasonic ST-HD501V Service Manual ▷ View online
1
Before Repair
2
2
Operating Instructions
3
3
About the Self-Diagnostic Mode
5
4
Power Source ON/OFF and Signal Check
6
5
Operation Checks and Component Replacement Procedures
7
6
Wiring Connection Diagram
8
7
Schematic Diagram Notes
9
7.1.
Schematic Diagram Notes
9
This equipment (ST-HD501V), which is a component of the
system, is supplied with power from the amplifier (SE-
HD501V).Whe n repairing this equipment or checking operation
of the system, be sure to connect the amplifier with it.
system, is supplied with power from the amplifier (SE-
HD501V).Whe n repairing this equipment or checking operation
of the system, be sure to connect the amplifier with it.
Power supply and operation check in the state of it as a single
equipmenet are impracticable.
equipmenet are impracticable.
7.2.
Type Illustration of Transistors and Diodes
9
8
Schematic Diagram
10
9
Printed Circuit Board Diagram
19
10 Block Diagram
23
11 Terminal Function of IC
痴
26
12 Replacement Parts List
28
13 Cabinet Parts Location
31
CONTENTS
Page
Page
1 Before Repair
2
ST-HD501V
2 Operating Instructions
ST-HD501V
3
ST-HD501V
4
This unit is epuipped with a self-diagnostic function which, in
the event of a malfunction, automatically displays a code
the event of a malfunction, automatically displays a code
indicating the nature of the malfunctions.Use this self-
diagnostic function when servicing the unit.
diagnostic function when servicing the unit.
3 About the Self-Diagnostic Mode
1. To check for correct insertion of the flat
cables
1 Match each connector with the color
(black/ white) of the connection port
and insert until you hear a click.
and insert until you hear a click.
2 Insert the flat cables at the back of the
unit in the order indicated. Make sure
the white side of the cable is on your
right side.
the white side of the cable is on your
right side.
2. Breakage of flat cable (Check and
replace as necessary.)
3. If the problem is not corrected by items (1.) and (2.) above, this
indicates a faulty IC.
U70CD
Check these IC's and replace as necessary.
ST-HD501V:IC701 (M30218MAA103)
SL-HD501V:IC403 (LC66358C4K97)
SL-HD501V:IC403 (LC66358C4K97)
Display method
U70 CD: ........ Automatically displays on the tuner when a mal-
function occurs.
F61 ................ Automatically displays on the tuner when a mal-
function occurs.
1. For U70 CD:
Press an any operation button on the tuner.
To re-display the code, switch the power off (POWER STANDBY
button), and then switch power back on again.
To re-display the code, switch the power off (POWER STANDBY
button), and then switch power back on again.
2. For F61:
If "F61" is displayed, the power will automatically be switched off.
"F61" will be displayed for 3 seconds, and then the clock will be
displayed.
To re-display the code, switch the power on. "F61" will be redis-
played, and then after 3 seconds the clock will be displayed and
the power will automatically switch off.
"F61" will be displayed for 3 seconds, and then the clock will be
displayed.
To re-display the code, switch the power on. "F61" will be redis-
played, and then after 3 seconds the clock will be displayed and
the power will automatically switch off.
To return to the normal display
To display the malfunction code
Display location
Display contents
Display
code
U70 CD
(displayed
automatically)
automatically)
Problem or condition
F61
A bus-line communications error has
occurred as a result of the flat cables
being inserted incorrectly, thus preventing
the system from operating.
occurred as a result of the flat cables
being inserted incorrectly, thus preventing
the system from operating.
1. If "U70CD" is displayed on the tuner, CD
player cannot be operated by remote
control.
control.
When the power switch is switched on, it
automatically switches back off, making it
impossible to switch power on.
automatically switches back off, making it
impossible to switch power on.
Correction procedure
Faulty amplifier (SE-HD501V) output IC (IC501 or 502).
(When a DC voltage is applied to the speaker terminals.)
(When a DC voltage is applied to the speaker terminals.)
SPEAKER(L)
(SB-HD501V)
(SB-HD501V)
SPEAKER(R)
(SB-HD501V)
(SB-HD501V)
Connector
CD PLAYER
(SL-HD501V)
(SL-HD501V)
White side
CD PLAYER
(SL-HD501V)
(SL-HD501V)
TUNER
(ST-HD501V)
(ST-HD501V)
CASSETTE DECK
(RS-HD501V)
(RS-HD501V)
AMPLIFIER
(SE-HD501V)
(SE-HD501V)
CASSETTE DECK
(RS-HD501V)
(RS-HD501V)
TUNER
(ST-HD501V)
(ST-HD501V)
AMPLIFIER
(SE-HD501V)
(SE-HD501V)
FLAT CABLE
5
ST-HD501V