Kenwood KACX 811 D Service Manual

Page 2

KAC-PS811D/X811D

BLOCK DIAGRAM

(xoamlorm)

(X0975790710) I

IND
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I II Ica AV 33 MUTE COMPARATOR TIE/TED AMP
I BEITVEH LEVEL Wop; com
I I 073. 1-0
I I I I 09 IC2 78
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025.26 I
IcIu 2930, ICIGI I
I ICIs 84110
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01067108 d 9 f

IcII
RESET ROM ACCRESS
Ic CORRECT SWITCH

COMPONENTS DESCRIPTION

0 PREAMPLIFIER UNIT (X08-4170-10)

SP OUT

P CON

BATT
GND

Rel. No Application / Function Operation / Condition / Compatibility
IC1 ISF Cutting super-low range of audio signal
IC2 (1/4~3/4) BRF Cutting bandwidth of audio signal
IC2 (4/4) INV Phase reversal of audio signal
IC3 OP amplifier Voltage amplification, Buffer
IC4 E-VOL Electronic volume
ICS LPF Cutting high-range of audio signal
IC6 LCD driver LCD driver
0 AUDIO UNIT (X09-5790-10)
Rel. No Application / Function Operation / Condition / Compatibility
IC1 Isolation amplifier Prevent noise from GND potential difference
IC2 (1/2) Triangular wave generation Reference signal for digitizing analog signal
IC2 (2/2) Error amplifier Error is compensated by the feedback from output
IC3 Comparator, Triangular wave generation Digitizing by comparison of analog signal and triangular wave

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KAC-PS811D/X811D

>1< New parts
Parts without Parts No. are not supplied.
Les articles non mentionnes dans Ie Paris No. ne sont pas fournisI

PARTS LIST

Teile ohne Parts No. werden nichI geliefert. AUDIO UNIT (X09'5790'10)
A N . . Desli- A N . . Desti-
Re1.No. g vev Parts No. Description nation ReI. No. g Vev Parts No. Description nation
D20 UDZS10B ZENER DIODE 0476 28A1576A TRANSISTOR
D21 ,22 188133 DIODE 07,8 DTC114EUA DIGITAL TRANSISTOR
D23 RD5.1J8(B2) ZENER DIODE 09 DTA114EUA DIGITAL TRANSISTOR
D2425 188133 DIODE 010 2SC4081 TRANSISTOR
D26 UDZ85.1B ZENER DIODE 015 2803478A(L,K) TRANSISTOR
D2728 188133 DIODE 016,17 28A1576A TRANSISTOR
D3031 188133 DIODE 018 28C3478A(L,K) TRANSISTOR
D32 UDZS10B ZENER DIODE 019 2SA1352(E,F) TRANSISTOR
D33 UDZS2.7B ZENER DIODE 020 28A1576A TRANSISTOR
D34 * UDZS16B ZENER DIODE 021,22 2SA1352(E,F) TRANSISTOR
D37 RD15JS(B) ZENER DIODE 023 2SD1863 TRANSISTOR
D38 >1: FCH20A20 DIODE 024 2804081 TRANSISTOR
D39 * FRH20A20 DIODE 025 >I< 2SC4467NF TRANSISTOR
D4043 188133 DIODE 026 >14 2SA1859ANF TRANSISTOR
D44 UDZ85.1B ZENER DIODE 027,28 2SA1352(E,F) TRANSISTOR
D46 UDZ85.1B ZENER DIODE 029 2SC1845(F,E) TRANSISTOR
D48 188355 DIODE 030 2SA992(F,E) TRANSISTOR
D49 UDZ85.1B ZENER DIODE 031 28A1376A(L,K) TRANSISTOR
D50 UDZSEBB ZENER DIODE 033 28C3478A(L,K) TRANSISTOR
D51 RD15JS(B) ZENER DIODE 035 DTC114EUA DIGITAL TRANSISTOR
D5253 188355 DIODE 036 DTA114EUA DIGITAL TRANSISTOR
D54 >I< RM4ZLF7J1NF DIODE 037 2803478A(L,K) TRANSISTOR
D55 188355 DIODE 038 2SA12867T11 TRANSISTOR
D56,57 * RM4ZLF7J1NF DIODE 039 >I< 2SC3902 TRANSISTOR
D58 188355 DIODE 040 2SA12867T11 TRANSISTOR
D59 DA204U DIODE 041 DTC114EUA DIGITAL TRANSISTOR
D6062 UMZ6.8N ZENER DIODE 042 28C3478A(L,K) TRANSISTOR
D64,65 188355 DIODE 043 28A12867T11 TRANSISTOR
D69 >I< UDZS16B ZENER DIODE 044 >I< 28C3902 TRANSISTOR
D70,71 188355 DIODE 045 2SA12867T11 TRANSISTOR
D76 LM1MA142WA7G DIODE 046 DTC114EUA DIGITAL TRANSISTOR
D77 >I< LM1MA142WKVG DIODE 047 2SD1863 TRANSISTOR
D80 >I< LM1MA142WK7G DIODE 048751 STW34NB20 FET
D81 188355 DIODE 052 2803478A(L,K) TRANSISTOR
D82 UDZ85.1B ZENER DIODE 053,54 2SA1376A(L,K) TRANSISTOR
D86 UDZS4.7B ZENER DIODE 055 28C3478A(L,K) TRANSISTOR
D89 >I< 8556680 DIODE 057,58 >1< 2SK36627F FET
D90 188355 DIODE 059 DTC114EUA DIGITAL TRANSISTOR
D91 DA204U DIODE 060,61 >14 28K36627F FET
D9293 RD24ES(B) ZENER DIODE 062 28C4081 TRANSISTOR
D94 UMZ6.8N ZENER DIODE 063 DTA114EUA DIGITAL TRANSISTOR
|C1,2 BA4560F IC 064,65 >I< 2SK36627F FET
|C3 NJM31BD ANALOGUE IC 066 2SC4081 TRANSISTOR
|C4,5 >I< 8N74HCOOD MOSVIC 067770 * 2SK36627F FET
|C6 BA10393F ANALOGUE IC 071 2804081 TRANSISTOR
|C7 BA4560F IC 072 28A1576A TRANSISTOR
|C10 >I< 784224YGC117 MICROCONTROLLER IC 073 28C4081 TRANSISTOR
|C11 P8T3436UL7E MOSVIC 074 2SC4097 TRANSISTOR
|C13 UPC494G8 ANALOGUE IC 075,76 28A1577 TRANSISTOR
|C14 BA4560F IC 077 2SC4097 TRANSISTOR
|C15 >I< P82B96PN ANALOGUE IC 078 2SC4081 TRANSISTOR
ICI6 BA10393F ANALOGUE IC 079 DTC114EUA DIGITAL TRANSISTOR
01 2804081 TRANSISTOR 080 28B1241 TRANSISTOR
Q2 28A1576A TRANSISTOR 081,82 DTA114EUA DIGITAL TRANSISTOR
03 2804081 TRANSISTOR 083 2SD1863 TRANSISTOR
E1 :KACVP8811D K : KACAX811D M1 :KACVX811D A Indicates safety critical components

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