VOLTAGE CHART - CONTINUED
IC BLOCK DIAGRAMS & IC PINS DESCRIPTION
70
69
IC401 (TA2099N)
PIN'S NUMBER
1
2
3
4
5
6
7
8
AM
1.97
2.72
0.11
1.97
1.34
6.37
0.48
0
FM
1.95
2
0
2
0.97
7.43
1.29
0
PIN'S NUMBER
9
10
11
12
13
14
15
16
AM
4.96
0.04
5.68
0.76
0.77
0.11
4.89
4.92
FM
4.98
4
4.13
0.77
0.77
0
0.52
0.65
PIN'S NUMBER
17
18
19
20
21
22
23
24
AM
1.19
0.48
2.05
1.81
1.97
1.97
6.43
1.97
FM
1.19
1.32
1.99
2.44
1.97
1.97
7.40
1.97
IC403 (BU1923F/BU1924F)
PIN'S NUMBER
1
2
3
4
5
6
7
8
FM
2.13
2.41
2.30
2.27
4.30
0
0
2.29
PIN'S NUMBER
9
10
11
12
13
14
15
16
FM
0
0
0
4.30
0
2.06
0
2.05
SUB-WOOFER SECTION
TEST POINT: DVD PLAY
IC401 (LM324N)
PIN'S NUMBER
1
2
3
4
5
6
7
0
0
0
13.5
0
0
0
PIN'S NUMBER
8
9
10
11
12
13
14
0
0
0
-13.19
0
0
-13.2
IC304 PT6311
SG20/GR9
GR1
DIN
VDD
OSC
SW1
LED1
Serial
Data
Interface
OSC
General
Input
Register
LED
Driver
Control
Display Memory
(20 bits x 16 Words)
Timing Generator
Key Matrix Memory
Segment
Driver/
Grid
Driver/
Key Scan
Output
Grid
Driver
DOUT
CLK
STB
SW4
SW3
SW2
LED5
LED4
LED3
LED2
K1 K2 K3 K4
VDD GND VEE
Dimming Circuit
R
GR8
GR7
GR6
GR5
GR4
GR2
SG1/KS1
SG2/KS2
SG3/KS3
SG4/KS4
SG5/KS5
SG6/KS6
SG7/KS7
SG8/KS8
SG9/KS9
SG10/KS10
SG11/KS11
SG12/KS12
SG13/GR16
SG14/GR15
SG15/GR14
SG16/GR13
SG17/GR12
SG18/GR11
SG19/GR10
24
23
2
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
3
4
5
1
AM
MIX
REF
FM
FM
IF
IF
FM
DET
AM
OSC
BUFF
AM
DET
LEVEL
SW
AF
VCO
DIVIDE
DECODE
ANTI BIRDIE
ST/MO
FM/AM
MUTE
ST
TUN
IF REQ
AGC
IF
BUFF
FM IF
IN
MIX
OUT
VSTB
QUAD
FM
OUT
AM IF
IN
AM
OUT
FM ST
DET IN
LPF1
LPF2
BLENDER
L OUT
R OUT
ST
LED
TUN
LED
IF
OUT/REQ
GND
AGC
VCC
AM
OSC
OUT
AM
OSC
FM BW
AM
RFIN
SW
FM VL
SENS
IC401 TA2099N
Summary of Contents for DVR4200SS
Page 1: ...SERVICE MANUAL Model DV R4200SS DVD HOME THEATER SYSTEM www akai ru ...
Page 15: ...SUBWOOFER MAIN PCB ASW3 01 01 26 25 ...
Page 16: ...MPEG SERVO PCB TOP VIEW STS71AAST 01 05 28 27 ...
Page 17: ...MPEG SERVO PCB BOTTOM VIEW STS71AAST 01 05 30 29 ...
Page 48: ...92 91 EXPLODED DRAWINGS MAIN UNIT DVD MECHANISM STSD 010SMT ...
Page 49: ...94 93 ACTIVE SUB WOOFER ASWT1 ...
Page 50: ... 4 SPEAKER SSQE3 96 95 ...
Page 51: ... CENTER SPEAKER SSQCE3 97 Printed in China December 2003 808 25EAST 020 ...