JVC HR-S3902US Service Manual page 35

#
Q2255
R2202 R2206
# #
6.8k 6.8k
R2204 R2208
6.8k 6.8k
47k
47k
R2205 47k
# 47k
R2207
E
4-14
The Parts Number , value and rated voltage etc. in the Schematic Diagram are for references only.
Note :
When replacing the parts , refer to the Parts List.
# R2256
#
2.2k
VR2251
# #
Q2254 Q2253
DTC114EUA DTC144WUA
PDTC114EU PDTC144WU
UN5211 UN521E
RN1302 RN1309
CCA_OUT(R)
C2208 0.015
R2257 680k
NOISE_DET
C2259 0.33 /50
PB_FM_IN
R2252
R2251
3.3k
4.7k
PRE_OUT
ENV
C2257 0.01
AFF
REC(-)DCF
C2256 0.01
C2255 C2254
0.01 47 /6.3
Vcc(P/R)
CH2
# C2261
100p
GND(P/R)
#
C2262
100p
CH1
COM
REC(+)DCF
C2251 0.01
CCA_OUT(L)
C2207 0.015
NR_REF(L)
C2206 10 /25
NR_DET(L)
C2205 10 /25
MY
#
# Q2252
R2254
DTC144WUA
10k
PDTC144WU
UN521E
#
RN1309 Q2251
DTC144WUA
PDTC144WU
UN521E
RN1309
TP2253
A.PB_FM
R2253
100
D2251
1SS133-T2
1SS270A-T2
L2251
10µ
K2251
OPEN
C2253 0.01
K2252
OPEN
C2252 0.01
K2253
#
OPEN R2258
0Ω
TP2254
#
A.REC_FM
F
TO SYSCON
S.CASS[H]
ET_REC[H]
I2C_DATA
I2C_CLK
A.MUTE[H]
LED
H.REC_ST[H]
A.ENV/ND[L]
A.FF
TO
VIDEO/N.AUDIO
FMA_CH2
FMA_CH1
FMA_COM
p20291001a_rev1
G H