Regulator - Toshiba 42HP66 Service Manual

A B
8
FROM/TO POWER
CP3201 (CP3807)
A2001WV2-11P
7
1 NC
P.CON+12V
B3201
2
P.CON+9V
B3205
BLM18PG181SN1D
3
P.CON+5V
B3202
BLM18PG181SN1D
4 AT+3.3V
BLM18PG181SN1D
5 P.CON+3.8V
B3203
6 P.CON+3.8V
BLM18PG181SN1D
7 GND
8 GND
9 GND
B3206
10 P.CON+5V
BLM18PG181SN1D
11 AT+5V
B3207
6
BLM18PG181SN1D
5
4
3
2
CAUTION
ATTENTION
:SINCE THESE PARTS MARKED BY ARE
1
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
A B
H-33
C D
REGULATOR SCHEMATIC DIAGRAM
3.3V_REG
IC3201 BA00BC0WFP
DS
V_C V_IN GND V_OUT V_ADJ
1 2 6 4 5
2.7 4.1 0 3.3 1.2
R3211
6.8K
W859
+-1%
W860
5.0 5.0
SW
4.3
Q3205
2SB1132 W1015
0
SW
1.8 W1007
Q3206
KRC102SRTK
0
CAUTION: DIGITAL TRANSISTOR
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
C D
E F
(SCALER PCB)
P.CON+9V
P.CON+5V
AT+3.3V
GND
AT+5V
1.5V_REG
IC3202 BD7820FP
V_C V_IN GND V_OUT V_ADJ
1 2 6
2.7 2.8 0
R3220
SCALER-H
10K
P.CON+3.3V
D3212 D3207 D3206
EC31QS04 EC31QS04 EC31QS04
1.8V_REG
IC3203 BD7820FP
V_C V_IN GND V_OUT V_ADJ
1 2 6
2.7 2.8 0
R3232
10K
D3208 D3209
EC31QS04 EC31QS04
HDMI_VNREG+5V
AT+3.3V
3.3
HDMI+5V
SW
0
Q3211
0
R3245 KTC3875S_Y_RTK
SW
0
Q3210
10K 0.6
HDMI_H KTC3875S_Y_RTK
0
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
E F
G
DS
4 5
1.6 0.7
R3221
1K
+-1%
P.CON+1.5V
DS
4 5
1.8 0.7
R3234
1K
+-1%
P.CON+1.8V
RXT_RST#
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
G
H
8
7
FROM/TO ADC1
P.CON+3.3V
P.CON+5V
GND
FROM/TO SCALER
P.CON+5V
P.CON+3.3V
P.CON+1.5V
GND
6
FROM/TO MICON
SCALER-H
P.CON+3.3V
AT+3.3V
AT+5V
P.CON+5V
HDMI_H
GND
FROM/TO LVDS
5
P.CON+3.3V
GND
FROM/TO JACK
P.CON+5V
P.CON+9V
GND
FROM/TO INTERFACE_HDMI IC
HDMI+5V
4
HDMI_VNREG+5V
P.CON+9V
GND
FROM/TO HDMI_MICON2
HDMI+5V
GND
RXT_RST#
FROM/TO AV SWITCH1
P.CON+9V
P.CON+5V
3
GND
FROM/TO ADC2
P.CON+1.8V
P.CON+3.3V
2
GND
1
PCBDS0
CEF156
H
H-34