Akai DV R3300SS

61
62
VOLTAGE CHART - CONTINUED
IC402 (TC9257F)
PIN'S NUMBER 1 2 3 4 5 6 7 8 9 10
AM 2.45 2.47 4.29 4.29 0.01 0.14 0.02 0.11 0.02 0.02
FM 2.38 2.41 4.97 4.97 0 0.14 0 0.11 0 0
PIN'S NUMBER 11 12 13 14 15 16 17 18 19 20
AM 4.97 4.97 0 2.43 0 2.44 1.44 1.37 1.15 1.14
FM 0 0 0 2.36 0 2.36 0.17 0.17 0.76 1.08
IC403 (BU1923F)
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 2.25
SUB-WOOFER PORTION
TEST CONDITION: DVD PLAY
IC601 (STK402)
PIN'S NUMBER 1 2 3 4 5 6 7 8
-0.16 -0.17 -0.16 -0.17 0 0 30.50 -30.50
PIN'S NUMBER 9 10 11 12 13 14 15 16
-30.50 30.30 0 0 27.30 0 -26.90 -0.16
PIN'S NUMBER 17 18 19 20 21 22 23 24
-0.16 -25.50 -0.16 -0.16 -0.16 -0.16 0 -26.90
IC901 (STK404)
PIN'S NUMBER 1 2 3 4 5 6 7 8 9 10
0.15 0.15 0 -30.30 12.04 1.20 -1.05 -30.50 30.50 0
IC951 (BA4558N)
PIN'S NUMBER 1 2 3 4 5 6 7 8
0 0 0 -10.60 0 0 0 10.40
IC952 (BA4558N)
PIN'S NUMBER 1 2 3 4 5 6 7 8
0 0 0 -10.55 0 0 0 10.43
IC953 (BA4558N)
PIN'S NUMBER 1 2 3 4 5 6 7 8
0 0 0 -10.70 0 0 0 10.43
IC954 (BA4558N)
PIN'S NUMBER 1 2 3 4 5 6 7 8
0.14 0.14 0 10.72 0.15 0.15 0.15 10.43
TRANSISTOR
E C B E C N
11.74 14.36 12.42 -12.05 -15.74 -12.68
Q851(8050)
Q802(8550)
IC BLOCK DIAGRAMS & IC PINS DESCRIPTION
IC504 PT2322-S
6-CHANNEL
VOLUME CONTROL
&
MUTE
TONE
CONTROL
TONE
CONTROL
6-CHANNEL OUTPUT
VOLUME TRIM
3D3D
TONE
DEFEAT
TONE
DEFEAT
TONE
CONTROL
ON
TONE
CONTROL
ON
312
213
114
2815
27
26
25
16
CTRE_FR
RCMID1_FR
RCMID2_FR
RCBAS1_FR
RCBAS2_FR
CTRE_FL
RCMID1_FL
RCMID2_FL
RCBAS1_FL
RCBAS2_FL
17
18 19
20 21
22
23 24
OUT_FL OUT_SL OUT_CT
OUT_SUB
OUT_SR
OUT_FR
SCL
VCC
FL
SL
CT
SUB
SR
FR
IN_FL IN_SL IN_CT GND VREF IN_SUB IN_SR IN_FR
I C
CONTROL
UNIT
2
GND
SDA
11 10 9 8 7 6 5 4
U4 FAN8082U7 W29EE512P-70
DECODER
CORE
ARRAY
CONTROL
OUTPUT
BUFFER
CE
OE
WE
A0
A15
V
V
DD
SS
DQ0
DQ7
~
~
GND
V
O1
V
CTL
V
IN1
1
2
3
4
DRIVER OUT
PRE DRIVER
LOGIC SWITCH
TSDBIAS
8
7
6
5
V
O2
PV
CC
SV
CC
V
IN2