Kenwood KOS-V1000 Service Manual page 6

KOS-V1000/V500
Ref No.
IC603 Sirial/Parallel convertor
IC604,605 Differential 4ch Multiplexer
IC606 Tuner
IC700 Video SW
IC701 Video SW
IC702 Video Signal
IC703,704 Video SW
IC705 Video SW
IC706,707 ISOLATION AMP
IC800 2-INPUT AND GATE
IC801 ISOLATION AMP
IC802 2-INPUT AND GATE
IC803 OP AMP
IC804 OP AMP
IC805 OP AMP
IC806 2-INPUT AND GATE
IC807 2-INPUT OR GATE
IC900 EEPROM
IC901 QUAD 2-INPUT AND GATE
IC902 Microcomputer
IC903 Voltage Detectors (RESET IC)
IC951 Video SW
IC952~954 OP AMP
IC955 OP AMP
IC956 OP AMP
DUAL BUS BUFFER NON
IC957
INVERTED, 3-STATE OUTPUTS
Q1 Detection Switch
Q2 Detection Switch
Q3 Detection Switch
Q4 Control Switch
Q5,6 Control Switch
Q7 Power Switch
Q9 POWER TR
Q10 Detection Switch
Q11 POWER TR
Q12 Detection Switch
Q21 Control Switch
Q22 Control Switch
Q101 Control Switch
6
COMPONENTS DESCRIPTION
Function
12bit Serial IN Parallel OUT Driver
SUB out audio: select from TV, AVIN2, iPod or AVIN1
MAIN1 out audio: select from TV, AVIN2, iPodUSB, or AVIN1
RDS Demodulator
2-Input 1-Output 3-Circuit Video Switch
3in, 2CTL, 1out
No-adjustment Sync Separator
5in, 3CTL, 1out
2-Input 1-Output 1-Circuit Video Switch Clamp, 6dB AMP, 75Ω Driver
Ground Noise Isolation Amplifi er (for iPod Audio out)
pass remote control code "active=L"
Ground Noise Isolation Amplifi er (for iPod Audio out)
remote control for NAVI
Dual operational amplifi er (SP IN)
Dual low noise operational amplifi er(SP IN) (for KOS-500)
Dual operational amplifi er (SP IN)
pass remote control code "active=L"
level shift 3.3V → 5.0V
ROM CORRECTION
logic cirsuit for start up audio microcomputer
Audio Microcomputer
Power monitor for microcomputers and reset for CPUs (for audio microcomputer)
2-Input 1-Output 1-Circuit Video Switch Clamp, 6dB AMP, 75Ω Driver
Dual operational amplifi er (PRE_OUT)
Dual low noise operational amplifi er (1/2 Vcc for KOS-1000)
Single-Supply Operational Amplifi er
logic cirsuit for remote control
Transisitor for surgeptotector
Transisitor for BU_DET detection
Transisitor for ACC_DET detection
Transisitor for P_ON control circuit, SW14V
Transisitor for SW14V REG circuit
P Channel Power MOSFET. Low drain-source ON resistance (SW14V)
Transisitor for 12V REG circuit
Transisitor for 12V REG circuit
For Power Amplifi cation (V-5V)
Transisitor for SP active detection
Transisitor for PON control circuit, A8V
Transisitor for PON control circuit, A8V
Transisitor for POWER_START control of DC/DC CONV
Description