Pioneer HTV-SW1 Service Manual page 17

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3 7 63 1515 0
A
Waveforms
CN1005-5 pin (LCHN), 6 pin (LCHP)
1
V : 20mV/div.
Measurement condition :
Input a 1 kHz, 200mV signal to INPUT 1(2)
LCHP
LCHN
F
Waveforms
Q1109 Base
3
V : 20mV/div.
Measurement condition :
SW ch output signal f=100Hz, 1W
Q1105 Collector, Q1106 Collector
6
V : 0.5V/div.
Measurement condition :
SW ch output signal f=100Hz, 1W
TE
L 13942296513
Q1105
Collector
Q1106
Collector
K
Waveforms
IC5001-45 pin (P1)
1
V : 1V/div. H : 1mS/div.
H
Waveforms
CN3001-9 pin (SCK), 10 pin (RVDT),
4
11 pin (REDY)
V : 0.5V/div. H : 0.5mS/div.
Measurement condition :
SUR. MODE OFF → VD
www
SCK
RVDT
.
REDY
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Note: The encircled numbers denote measuring
(HTV-A1)
2
H : 0.2mS/div.
Measurement condition : Volume Min → 1
DATA
GND
CLOCK
LCK
GND
(HTV-A1)
4
H : 5mS/div.
GND
7
H : 5mS/div.
GND
GND
( HTV-C1)
2
GND
( HTV-C1)
5
x ao
y
GND
AC1
i GND
AC2
GND
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8
point in the schematic diagram.
IC8001- 2 pin (DATA), 3 pin (CLOCK),
4 pin (LCK) V: 0.5V/div. H: 1mS/div.
GND
GND
GND
Q1110 Emitter
V : 50mV/div. H : 5mS/div.
Measurement condition :
SW ch output signal f=100Hz, 1W
GND
D1309 Cathode
V : 1V/div. H : 10mS/div.
Q Q
3 6 7 1 3
GND
IC5001-62 pin (1G)
V : 1V/div. H : 1mS/div.
GND
CN501-4 pin (AC1):CH1, 8 pin (AC2):CH2
V : CH1:2V/div. , CH2:0.5V/div.
H : 1mS/div.
Measurement condition :
POWER ON (Connect with HTV-A1)
u163
GND
.
GND
HTW-SW1, HTV-C1
2 9 9 4 2 8
Q1101 Base, Q1102 Base
5
V : 0.5V/div. H : 5mS/div.
Measurement condition :
SW ch output signal f=100Hz, 1W
Q1101
Base
Q1102
Base
1 5 0 5 8 2 9 9 4
CN3001-6 pin (CLK), 7 pin (DATA),
3
8 pin (LCK) V: 0.5V/div. H: 1mS/div.
Measurement condition : Volume Min → 1
CLK
DATA
LCK
CN501-4 pin (AC1):CH1, 8 pin (AC2):CH2
5
V : CH1:2V/div. , CH2:0.5V/div.
H : 1mS/div.
Measurement condition :
m STANDBY (Connect with HTV-A1)
AC1
co
AC2
9 9
GND
GND
2 8 9 9
GND
GND
GND
GND
GND
17