Pioneer DVR-RT501-S Service Manual page 53

5
V651 HNV-09SS62
8G 7G
9G
VR C
SLP
PR FINE
1 2 4 5 6 7 8 9 10 11 12
FIP DRIVER
-23.0 -23.0 -23.0 -23.2 -22.7 -22.7 -22.7 -22.7 -22.8
IC651
NC NC NC
PT6315
33 32 31 30
-23.0
9G
-23.0
8G
-19.9
7G
SEGMENT
DRIVER
-19.8
6G
-19.9
5G
DIMMING CIRCUIT
-19.9
4G
-19.9
3G
GRID
-19.8
DRIVER
2G
CONTROL
-19.9
1G
5.2
LED
DRIVE
C657
0
0.1 B
1 2 3 4
0 0 0 0
NC NC 3.0
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
5
6
6G 3G
5G 4G
CH M
21 22 23 24 25 26 27 28 29 30 31 32
-22.7 -19.7
NC NC NC NC
29 28 27 26 25 24 23
-22.6
-22.7
-19.7
GRID KEY SCAN
DRIVER OUTPUT
-16.6
-13.5
DIPLAY MEMORY
(12bits * 12Words)
-10.4
TIMING GENERATOR
-10.3
-7.2
KEY MATRIX MEMORY
-13.5
5.2
SERIAL
DATA
OSC INTERFACE
0
1 5 6 7 8 9 0 11
0.2 5.1 5.1 2.7 0 0
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
6
7
2G 1G
S P M
34 35
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
TP651
005P-2100
OS651
ROM-N340LO
Vout 1
GND 2
B+ 3
DVR-RT501-S
7
8
FROM/TO Hi-Fi/DEMODULATOR
-22V
FRONT_A_IN_R
FRONT_A_IN_L
FROM/TO AV SW
FRONT_A_IN_R
FRONT_A_IN_L
FRONT_V_IN
FRONT_Y_IN
FRONT_C_IN
FROM/TO SYSCON
KEY-A
KEY-B
REM_IN
FL_CS
FL_CLK
FL_DATA
FRONT_S_SW
REM_IN
FROM/TO REGULATOR
R673
AT+5.2V
150 1/4W AT+5.2V
-22V
HEATER_DC+
HEATER_DC-
GND
12V
RECORD LUMINANCE SIGNAL
RECORD COLOR SIGNAL
AUDIO SIGNAL(REC)
8
A
B
B
6/7
B
7/7
C
B
2/7
D
B
4/7
E
F
B 5/7
53