Panasonic PV-D4733S-K Service Manual page 253

MAIN III (OPERATION) SCHEMATIC DIAGRAM
REC VIDEO SIGNAL REC AUDIO SIGNAL
L6302
R6365
4R7U
0
(LED_5V)
TO M V 88 HEATER_F+
C6316
330/6.3V
(LED_GND)
TO M V 89 HEATER_F-
TO M I 40 MASTER_DATA_1
TO M I 42 SCK_1
TO M I 11 PANE_CS
U6302
LSSZ0004 A,B,C
LSSZ0007 D
INFRARED
RECEIVER
OUT GND VCC UNIT
1 2 3
KEY3
TO M I 52
TO M I 51 KEY2
TO M I 50 KEY1
TO M I 44 IR_DATA
TO M II 85 VIDEO_IN2
TO M IV 90 LINE2_IN_L
TO M IV 91 LINE2_IN_R
C6305
47/6.3V
R6346
47
TO M I 53 KEY4
TO M I 55 KEY5
TO M I 59 KEY6
TO M V 2 UNSW_5V_SYSCON
PROGRESSIVE_LED_ON_H
TO M I 21
NOTE: NOTE:
PARTS MARKED "PT" ARE NOT USED. FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
U6301 B3CJZ0000005 (DISPLAY TUBE UNIT)
1i
digit 1 digit2 digit 3 digit 4
a a a a
3i
1j
f b f b f b f b
g g g g
3j
4h
e c e c e c e c
h h
2h
2j
d d d d
1 2 3 4 5 6 7 8 9 10 11 12 13 14
C6317 C6318 R6362 R6364 C6319
330/6.3V PT PT 18K PT
R6363
33K
NOTE: For placing a purchase order of the parts,
be sure to use the part number listed in the parts list.
Do not use the part number on this diagram.
4j
2i
5a
5b
15
TO OPERATION I
P6301 C.B.A. P6501
10
KEY3
9
KEY2
8
KEY1
12
IR_DATA
11
UNSW_5V
1
VIDEO_IN2
5
LINE2_IN_L
3
LINE2_IN_R
2
AV_GND
4
AV_GND
6
AV_GND
7
SYS_GND
TO OPERATION II
P6302 C.B.A. P6601
4 KEY4
3 KEY5
2 KEY6
5 UNSW_5V
6 PROGRESSIVE_LED
7 GND
1 IR_DATA
PV-D4733S/PV-D4743/PV-D4743S/PV-D4743S-K
COMPARISON CHART
OF MODELS & MARKS
MODEL MARK
PV-D4733S A
PV-D4743 B
PV-D4743S C
PV-D4743S-K D
Not Used PT
LSJB2082
MAIN III (OPERATION) SCHEMATIC DIAGRAM