Kenwood VR-205, Service Manual

Page: 7 / 40

KRF-V5010/V6010/V7010/VR-205/206/207/255/257
VR-205
(X09)
(X00)
(X14)
S
L
R
C
LS
RS
SW
L
L(BYPASS)
R
L
C
+
+
+
+
+
+
+
SW
RS
LS
C
R
L R(BYPASS)
R
14.1V/4 Ω
KRF-V5010 (EXCEPT M)
20V/8
Ω
VR-205,KRF-V5010(M)
PHONO EQ
VR-257
HTB TV
(X04)
BUFFER
LINE
IC16
IC1
IC2
Q31
-30V AVR
D32
D31
ED1
SWITCHED
IC51
C, SL, SRch
PRE OUTPUT
SWch
1V/2.2K
Ω
2V/2.2K
Ω
Q1
T1
K1 S1
28.3V/8 Ω
20V/4 Ω
KRF-V6010(M)/V7010(M)
KRF-V7010 (EXCEPT M)
KRF-V6010 (EXCEPT M)
SP. 5ch OUTPUT
VR-206/207/257
K4(2/2)
K3
K4(1/2)
K2
K1
IC3
IC4
IC12
Q12
Q8
Q7
Q11
Q4
Q3
Q10
Q6
Q5
Q9
Q2
Q1
IC9
IC7(2/2)
IC8
OUT
IN
200mV/2.2K
Ω
200mV/47K
Ω
AUDIO
IC6(2/3)
TC9164AF
BU4066BCF
TC9162AF
IC17(2/2)
IC6(1/3)
IC5
PHONO OUT
2.5mV/47K
Ω
(X05)
IC18
VIDEO SEL
1 VP-P/75
Ω
VIDEO IN/OUT
NJM2279M
PLAY
MONITOR OUT
6ch INPUT
REC
VIDEO2
VIDEO2
PLAY
VIDEO1
BU4066BCF
INPUT
6ch.
SWch
RSch
LSch
Cch
Rch
Lch
OPE AMP
FL
KEY MATRIX
REMOCON IN
6 ROTARY ENC
8
3
KEYSCAN
KEY RETURN
SEGMENT
GRID 11
7
for INPUT SEL.
2
E2ROM (DATA, CLK) PROTECTION
2
RDS (SDATA, SBUSY)
2
SYNCHRO (SDATA, SBUSY)
3
SAP (HTB TV) SAPM2) (SAPIN, SAPM1, P/L ST) (P/L DT, P/L CLK,
3
P/L RESET STEREO, SLEVEL) PLLDT, PLLDO, PLLSD, (TMUTE, PLLCE, PLLCLK,
8
TUNER MUTE 10dB ATT
3
3
4
VOL DT) (VOL STB, VOL CLK, E-VOL VIDEO RELAY (RELAY FA, RELAY FB, RELAY C, RELAY R VMUTE) (VIDEO A, VIDEO B,
CXP82532-126Q/142Q
u-COM
(ONLY for E, T TYPE)
SW PRE OUT
SRch
(for 100W)
SRch PRE OUT
TC9162AF
Rch
DOLBY
PROLOGIC
LIMITTER
-7V
-5V
for E. VOL
for VIDEO SEL.
for DOLBY PRO LOGIC
for VIDEO SEL.
+7V
M62460FP
IC7(1/2)
IC17(1/2)
IC6(3/3)
TC9164AF
TC9164AF
MD/TAPE
REC
VIDEO2/
MONITOR REC
VIDEO2/
MONITOR PLAY
TUNER
UNIT
(ONLY for 100W)
for AMP (LOW TAP)
for AMP (HI TAP)
TUNER UNIT,
(AUDIO and VISUAL)
for FIL
for u-COM (-30V)
for E. VOL
+10V
+5V
-15V
A.V.R
A.V.R
+15V
u-COM
for
A.V.R
+5V
Cch PRE OUT
Cch
Rch
Lch
Rch
Lch
Rch
Lch
PLAY
MD/TAPE
PHONO
CD
VIDEO1
-B LOWTAP +B LOWTAP -B HITAP +B HITAP
MUTE 10dB ATT
POWER AMP
AC IN
SP. A
SP. B
M62446FP
SLch
(for 100W)
SLch PRE OUT
(for 100W)
HEADPHONE
6ch. E-VOL with 2ch. TONE
+15dB
@100Hz
-3dB
7
BLOCK DIAGRAM
KRF-V5010(K)
COVER(
98.12.9
12:22
y[W
12
www . x ia o y u 1 6 3 . c o m
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2
8 9
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Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299