JVC MX-K1 Service Manual

MX-K1
1-26
Pin
No.
Symbol
Function
I/O
Pin
No.
Symbol
Function
I/O
3. Pin function
TA8189N (IC401) : REC/PB amp.
1. Terminal layout 2. Block diagram
1 CH1_A I Input for playback amp. (Ch1): A cassette
(PB)
2 CH1_B I Input for playback amp. (Ch1): B cassette
(REC/PB)
3 NF1 I NF terminal for playback amp.
4 EQ1 O Metal output for playback amp.
5 PREOUT1 O Output terminal for playback amp.
6 MIX_OUT O Mixing output
7 GND1 - Ground
8 EQSW I Metal/Normal mode select switch
9
REC_OUT1 O Output for recording amp.
10 REC_NF1 I NF terminal for recording amp.
11 REC_IN1 I Input for recording amp.
12 GND1 - Ground terminal
13 ALC I ALC filter terminal
14 REC_IN2 I Input for recording amp.
15 REC_NF2 I NF terminal for recording amp.
16
REC_OUT2 O Output for recording amp.
17 CG O Charge detection terminal
18 VCC - Power supply terminal
19 A/B_SW I REC amp. Select switch (A cassette/B
cassette)
20 PREOUT2 O Output terminal for playback amp.
21 EQ2 O Metal output for playback amp.
22 NF2 I NF terminal for playback amp.
23 CH2_B I Input for playback amp. (Ch2): B cassette
(REC/PB)
24 CH2_A I Input for playback amp. (Ch2): A cassette
(PB)
1
2
3
4
5
6
7
8
9
10
11
12
CH1_A
CH1_B
NF1
EQ1
PREOUT1
MIX_OUT
GND1
EQSW
REC_OUT1
REC_NF1
REC_IN1
GND
24
23
22
21
20
19
18
17
16
15
14
13
CH2_A
CH2_B
NF2
EQ2
PREOUT2
A/B_SW
VCC
CG
REC_OUT2
REC_NF2
REC_IN2
ALC
22
23CH2_B
24CH2_A
1CH1_A
2CH1_B
2021 19
A/B
M/N
ALC
V
ref1
18
I
ref
17
V
ref2
-
+
Ch2
+
-
Ch1
-
+
Ch2
+
-
Ch1
NF2 EQ2 PREOUT2 A/B_SW VCC CG
3 54 6 7 8
NF1
EQ1
PREOUT1
MIX_OUT
GND1
EQSW
16
REC_OUT2
15
14 REC_IN2
13 ALC
12 GND
11 REC_IN1
REC_NF2
9
REC_OUT1
10
REC_NF1

JVC MX-K1 Specifications

General

Brand	JVC
Model	MX-K1
Category	Speaker System
Language	English