PT-50LC13

9.4.NETWORK/ THERMISTOR 1/ THERMISTOR 2/ OPERATION/ COVER SWITCH

NETWORK SCHEMATIC DIAGRAM

(FOR L-CH SPEAKER)

OPERA

TO L-CH SPEAKER

(TWEETER)P4551

SP_OUT_L_TW 2

AMP_GND

1

TO L-CH SPEAKER

(WOOFER)P4552

SP_OUT_L_WF 2

AMP_GND

1

C4551

3R3/63V

J4551

WA5

R4551

PT

AUDIO SIGNAL

 

 

 

TO AUDIO AMP C.B.A.

P4553

 

P4503

2

 

SP_OUT_L

 

P4503-3

1

 

AMP_GND

 

P4503-4

LSJB3097

NETWORK SCHEMATIC DIAGRAM

(FOR R-CH SPEAKER)

TO MAIN C.B.A. P6305

GND

STBY5V

P_LED_G

TO R-CH SPEAKER

(TWEETER)P4551

SP_OUT_R_TW

2

 

AMP_GND

1

 

 

TO R-CH SPEAKER

(WOOFER)P4552

SP_OUT_R_WF 2

AMP_GND

1

C4551

3R3/63V

J4551

WA5

R4551

PT

AUDIO SIGNAL

 

 

 

TO AUDIO AMP C.B.A.

P4553

 

P4503

2

 

SP_OUT_R

 

P4503-1

1

 

AMP_GND

 

P4503-2

P_LED_R

SCAN2

SCAN1

SCAN0

KEY_IN1

KEY_IN0

THERMISTOR 1 SCHEMATIC DIAGRAM

 

P2811

TO LCD DRIVE

 

C.B.A. P2303

R2811

1

 

THERMO_4

2

 

THERMO_3

D4CA35030002

 

TEMPERATURE

 

SENSOR

LSJB3099

 

LSJB3097

IMPORTANT SAFETY NOTICE:

COMPONENTS IDENTIFIED BY THE SIGN HAVE SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS, USE ONLY THE SPECIFIED PARTS.

COVER

THERMISTOR 2 SCHEMATIC DIAGRAM

 

 

 

TO LCD DRIVE

 

P2821

C.B.A. P2304

R2821

1

 

THERMO_2

2

 

THERMO_1

D4CE31330001

 

TEMPERATURE

 

SENSOR

LSJB3100

 

1

2

K0

LA

68

Page 41
Image 41
Panasonic PT-50LC13 service manual Thermistor 1 Schematic Diagram, Thermistor 2 Schematic Diagram