Service manual

DC/DC
controller
NEGATIVE
CHPMP
TRANSDUCER
H-bridge0
Oscillator
Bios FLAGxN
Reference
TRANSDUCER
H-bridge1
TRANSDUCER
H-bridge3
TRANSDUCER
H-bridge2
TRANSDUCER
H-bridge9
Protection
logic
TRANSDUCER
H-bridge8
TRANSDUCER
H-bridge6
TRANSDUCER
H-bridge5
TRANSDUCER
H-bridge4
TRANSDUCER
H-bridge7
VVOLMIN4
TSD
CLK
time-out
POR
CLK CLK1
TEST logic
LVDS
receiver
LVDS
receiver
CLK
DATA
DESERIALISER
&
PWM ENGINE
IS+
IS-
VVOL
V+
TXP0
GND
GND
TXN0
V+
V+
TXP1
GND
GND
TXN1
V+
V+
TXP2
GND
GND
TXN2
V+
V+
TXP3
GND
GND
TXN3
V+
TESTENA
TESTCLK
TESTMODE0
CP1
VSS
VDD
V+
TXN8
GND
GND
TXP8
V+
V+
TXN7
GND
GND
TXP7
V+
V+
TXN6
GND
GND
TXP6
V+
V+
TXN5
GND
GND
TXP5
V+
FLAG3N
FLAG1N
DATA N
TESTMODE1 TESTMODE2
TESTIN1
TESTOUT1 TESTOUT2
TESTSENSE1 TESTSENSE2
V+
TXP4
GND GND
TXN4
V+
VREFEXT
VSS
PCLK
NCLK
VDD
DATA P
VSS
GND PFETGATE B+ SELECTDC DCREF FB FLAG2N V+ TXN9 GND GND TXP9 V+ VOLMIN4 VSSA VSS VDDA VDD VNEG CP2
A
1
2
3
4
5
6
7
8
9
10
BCDEFGH I JK
L MN
SCHEMATIC DIAGRAM (AMP)
54
★ All voltages are measured with a 10MΩ/V DC electronic volt meter.
★ Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
YSP-1
Page 51
to DSP_CB1, CB2
E7 F7
J7Page 53
to INPUT (2)_W8, W9
I7
IC4: SN74LVC2G08DCUR
DUAL 2-INPUT POISITIVE-AND GATE
Vcc8
7
6
55
1A 1
1B 2 1Y
3
2A
4
2B2Y
GND
IC1, 3: TAD108
Sound Projector Transducer Amplifier
0
6.8
9.4
3.3
15.0
9.4
9.4
9.4 9.4 0.3
0 0
0.3 9.4 9.4 0.3
0 0
0.3 9.4 9.4 0.3
0 0
0.3 9.4 9.4 0.3
0 0
0.3 9.4
0 3.3 9.4 0.3 0 0 0.3 9.4 9.4 0.3 0 0 0.3 9.4 9.4 0.3 0 0 0.3 9.4 9.4 0.3 0 0 0.3 9.4
3.3 3.3
1.2
0
1.2
3.3
1.2
1.2
0
3.3
9.4
0.3
0
0
0.3
9.4
0
0
0
3.3
3.3
0.1
0.1
3.3
3.3
0
00
0
3.1
0
3.2
0
0
0
3.2
3.3
3.1
14.8
14.8
3.2
15.0
0.5
0.5
0.5
0.5
14.8
0
15.0
15.0
14.8
0
3.1
0
0
0 0
0
9.4
0
0
0.3
0.3
9.4
15.0
0
10.8
9.4
10.8
0
2.0
2.0
0
3.3
3.3
-2.2
-1.1
1.6
3.3
0
3.3
0
0
0
1.2
3.3 3.3 9.4
0.3
0 0
0.3 9.4 9.4 0.3
0 0
0.3 9.4 9.4 0.3
0 0
0.3 9.4 9.4 0.3
0 0
0.3 9.4 3.3
0
0
0 9.4 0.3 0 0 0.3 9.4 9.4 0.3 0 0 0.3 9.4 9.4 0.3 0 0 0.3 9.4 9.4 0.3 0 0 0.3 9.4
9.4
9.4
9.4
0
0
10.8
15.0
15.0
10.8
9.4
9.4
15.0
2.0
2.0
3.3
9.4
0.3
0
0
0.3
9.4
0
3.3
3.3
-2.2
-1.1
6.8
0
1.6
0.3
9.4
0
0.3
9.4
3.3
0
1.2
1.2
3.3
1.2
0
0
0
0
L
DRIVER
(WOOFER)
DRIVER
(TWEETER)
DRIVER
(TWEETER)
DRIVER
(TWEETER)
DRIVER
(TWEETER)
3
8
156
4
7
2
10CH D-CLASS IC10CH D-CLASS IC
H-BRIDGE