50PJ350 Main Board Front Side Component Voltages
50PJ350 Main Board (Front Side) Component Voltages
IC202
7V (to IC405)
Q401
Tuner CVBS
Q502
HDMI CEC
D501
B+ Routing
Pin Regulator
Pin Buffer (Analog)
Pin Buffer
Pin to IC502
[1] Gnd
[B] 1.19V
[1 B] Gnd
[A1] 0V
[2] Gnd
[E] 1.86V
[2 S] 3.18V
[A] 4.54V
[3] Gnd
[C] Gnd
[3 D] 3.29V
[A2] 5.0V
[4] Gnd
[4 G] 3.3V
[5] 3.3V
Q402
IF_P Buffer
D504
B+ Routing
[6] 3.3V
Pin (Digital)
D1
Reset
Pin to IC504
[7] Gnd
[B] 1.18V
Pin Speed Up
[A1] 0V
[8] 3.3V
[E] 1.18V
[A1] Gnd
[A] 4.54V
[C] Gnd
[A] 0V
[A2] 5.0V
IC308
1.3V_VDDC
[A2] Gnd
Pin Regulator
Q403
Tuner SIF
D505
B+ Routing
[1] Do not measure
Pin Buffer (Digital)
D2
LED-R
Pin to IC503
[2] Gnd
[B] 1.32V
Pin Routing
[A1] 0V
[3] 5.04V
[E] 1.99V
[A1] 0V
[A] 4.54V
[4] 6.07V
[C] Gnd
[C] 0.13V
[A2] 5.0V
[5] 4.99V
[A2] 0.28V
[6] 1.28V
Q404
IF_N Buffer
[7] 1.28V
Pin (Digital)
[8] 4.27V
[B] 1.32V
[E] 1.99V
[C] Gnd
Use scope:
Pin 1: 1.4~1.7V P/P
Using DVM, set
shuts off.
Use scope:
Pin 8: 600mV P/P
Using DVM, set
shuts off.
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