Sony TMR-IF130 Service Manual

TMR-IF130/IF230R TMR-IF130/IF230R
SERVICE MANUAL SERVICE MANUAL
TMR-IF130 is the component model block one in MDR-IF130K. TMR-IF130 is the component model block one in MDR-IF130K.
TMR-IF230R is the component model block one in MDR-IF230RK. TMR-IF230R is the component model block one in MDR-IF230RK.
COMPONENT MODEL NAME FOR MDR-IF130K/IF230RK COMPONENT MODEL NAME FOR MDR-IF130K/IF230RK
MDR-IF130K MDR-IF130K MDR-IF230RK MDR-IF230RK
Cordless Stereo Headphones Cordless Stereo Headphones MDR-IF230 MDR-IF230 MDR-IF230 MDR-IF230
Transmitter Transmitter TMR-IF130 TMR-IF130 TMR-IF230R TMR-IF230R
General General
Modulation system Modulation system
Carrier frequency Carrier frequency
Frequency response 18 – 22,000Hz Frequency response 18 – 22,000Hz
Power source Power source
UK model UK model
AEP model AEP model
Audio input Audio input
Dimensions Dimensions
Mass Mass
Design and specifications are subject to change without notice. Design and specifications are subject to change without notice.
MICROFILM MICROFILM
AEP Model AEP Model
Illustration : TMR-IF230R Illustration : TMR-IF230R
SPECIFICATIONS SPECIFICATIONS
Frequency modulation Frequency modulation
Right 2.8MHz Right 2.8MHz
Left 2.3MHz Left 2.3MHz
DC IN 9V jack accepts power supplied from the AC DC IN 9V jack accepts power supplied from the AC
power adaptor for use on the following voltages: power adaptor for use on the following voltages:
Operating voltage Operating voltage
230 - 240V AC,50Hz 230 - 240V AC,50Hz
220 - 230V AC,50Hz 220 - 230V AC,50Hz
Phono jacks/stereo mini jack Phono jacks/stereo mini jack
Approx. 152 x 40 x 72mm Approx. 152 x 40 x 72mm
(6 x 1 (6 x 1 1 1 / / x 2 x 2 3 3 / / in.) (w/h/d) in.) (w/h/d)
2 2 4 4
Approx. 85g (3.0oz.) Approx. 85g (3.0oz.)
INFRARED TRANSMITTER INFRARED TRANSMITTER
NOTE : NOTE :
1. The adjustments should be performed in the order given. 1. The adjustments should be performed in the order given.
2. The adjustments and measurements should be perfomed for both 2. The adjustments and measurements should be perfomed for both
L-ch and R-ch unless otherwise indicated. L-ch and R-ch unless otherwise indicated.
3. L-ch adjustment should be completed before performing R-ch 3. L-ch adjustment should be completed before performing R-ch
UK Model UK Model
adjustment. adjustment.
OSCILLATING FREQUENCY Adjustment OSCILLATING FREQUENCY Adjustment
Procedure : Procedure :
No signal state. No signal state.
1. Connect the frequency counter to TP (CL4) (L-ch) and TP (CL- 1. Connect the frequency counter to TP (CL4) (L-ch) and TP (CL-
54) (R-ch). 54) (R-ch).
2. Adjust with RV1 (L-ch) and RV2 (R-ch) so that the reading on 2. Adjust with RV1 (L-ch) and RV2 (R-ch) so that the reading on
the frequency counter becomes the specified value. the frequency counter becomes the specified value.
Specified Value: Specified Value:
2.3MHz ±2kHz 2.3MHz ±2kHz
L-ch L-ch RV1 RV1
2.8MHz ±2kHz 2.8MHz ±2kHz
R-ch R-ch RV2 RV2
Connection Points and Adjustments Location : Connection Points and Adjustments Location :
(Conductor side) (Conductor side)
[TX BOARD] [TX BOARD]
regulated dc regulated dc
power suppluy power suppluy
9 Vdc 9 Vdc
(Component side) (Component side)
[TX BOARD] [TX BOARD]
SECTION 1 SECTION 1
ELECTRICAL ADJUSTMENT ELECTRICAL ADJUSTMENT
frequency counter frequency counter
TP TP
TP TP
(CL4) (CL4) (CL54) (CL54)
(L-ch) (L-ch) (R-ch) (R-ch)
TP TP
(CL4) (CL4)
TP TP
(CL54) (CL54)
RV1 RV1 RV2 RV2
(L-ch) (L-ch) (R-ch) (R-ch)
Oscillating frequency Oscillating frequency
adjustment adjustment
– 2 – – 2 –